MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION The M52778SP is a single-chip semiconductor integrated circuit to PIN CONFIGURATION (TOP VIEW) process signals of a color TV. Circuits to process video IF, sound IF, video, color, and deflection signals, a I2C bus control circuit, and D/ AFT OUT 1 52 VIDEO OUT LIMITER IN 2 51 VIDEO APC FILTER This IC can be used not only for popular-type TV sets but also for RF AGC OUT 3 50 VCO middle-class TV sets. Combined with a SECAM chroma decoder, IF AGC FILTER 4 49 VCO the M52325AP, this device can process signals of every type of TVs VIF GND 5 48 FM DIRECT OUT VIF IN 6 47 EXT AUDIO IN A are build in this device. in the world by discriminating them fully automatically. FEATURES • • • • • • 7 46 AUDIO OUT 8 45 - (R-Y) IN H VCC 9 44 - (B-Y) IN SCL 11 SCP OUT 12 H OUT 13 SDA 14 H OSC 15 AFC 1 FILTER 16 I REF 17 APPLICATION PAL/NTSC CTV 43 - (R-Y) OUT RAMP AGC 10 42 SECAM REF. M52778SP • • A built-in I2C bus control circuit makes it possible to reduce the number of peripheral parts and rationalize production lines. Various filters (TRAP, BPF, Y-DL, RGB clamp) are build in this IC. PLL detection system is introduced to process video IF and voice IF. Furthermore, AFT coil is not necessary. DL aperture control Color signal frequency and vertical frequency of TVs of every type can be discriminated fully automatically. Horizontal/vertical countdown system V-Ramp output RGB output VIF IN VIF VCC 41 - (B-Y) OUT 40 X-TAL 4.43 39 SYNC SEP IN 38 Y SW OUT 37 VCD GND 36 TV IN +RAMP OUT 18 35 CHROMA APC FILTER -RAMP OUT 19 34 EXT IN RECOMMENDED OPERATING CONDITION Hi VCC 20 33 AUDIO BYPASS Supply voltage................................................V8, 24=5V, V9, 20=8V R OUT 21 32 X-TAL 3.58 Rated supply voltage........................................V8, 24=4.75 to 5.25V G OUT 22 31 FAST BLK V9, 20 =7.6 to 8.4V B OUT 23 30 KILLER FILTER Maximum output current.............................................5.0mA (pin13) VCD VCC 24 B IN 25 CONTRAST CONT. 26 29 R IN 28 AFC2 FILTER 27 G IN Outline 52P4B 1 RF AGC OUT VIF IN AFT OUT VIF IN 38 CONTRAST BLK HV ATT 15 16 12 44 45 41 32 43 MUTE DET MUTE OUT 32FH VCO 28 H-PHASE V-POSITION V-SIZE RAMP SERVICE SW SECAM REF AF AMP AUDIO ATT AFC2 FILTER 13 AFC-2 H STOP HORIZONTAL COUNT DOWN VERTICAL COUNT DOWN CLAMP 50/60 OUT AFC GAIN (H.FREEADJ) V SYNC TRIG BUS I/F CUT OFF R G B 40 AFC-1 EQ ELIMINATE DRIVE AMP G EXT INPUT - (R-Y) OUT X-TAL 4.43 37 VCXO TINT PHASE CONT BGP GENE SYNC SEP BRIGHT DRIVE R B - (B-Y) OUT VCD GND 24 F/F PAL SW CHROMA DEMODULATOR CONTRAST RGB MATRIX CONTRAST BRIGHT R EXT INPUT B EXT INPUT 4.5/6.0 47 AUDIO SW - (R-Y) IN VCD VCC 35 CHROMA APC DET ID DET Acc DET KILLER DET ID COLOR SERVICE peak ACL SYSTEM auto SYSTEM SET FM DET - (B-Y) IN CHROMA APC FILTER 30 HPF 1ST AMP (ACC) CHROMA BPF REF FILTER SYSTEM ID OUT ACL SYSTEM DECODE LIMITER SCP OUT KILLER FILTER 39 SW1 DL TIME DL FINE TRAP SW π 4 2ND AMP ADJ DET APC DET + LOCK DET 33 AFC 1 FILTER SYNC SEP IN 34 TV/EXT CHROMA TRAP DELAY VIDEO TONE CLAMP VIDEO MUTE AFT OUT VIDEOMUTE AFT POS/NEG VIDEO DET π 4 SW 48 5 H OSC EXT IN 36 D.TRAP F.TRAP X2 VIF AMP DEFEAT SHARPNESS 26 1 7 – IF AGC FILTER ADJ VCO VCO 8 VIF GND VCO VIDEO APC FILTER 2 FM DIRECT OUT IF AGC VIDEO OUT 20 Hi VCC 52 LIMITER IN 51 VIF VCC 50 AUDIO BYPASS DELAY ADJ RF AGC 49 EXT AUDIO IN 6 3 VCO 4 10 17 18 19 27 42 9 22 23 29 21 25 31 14 11 46 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC BLOCK DIAGRAM SECAM REF. +RAMP OUT FAST BLK G OUT -RAMP OUT RAMP AGC SCL R IN B OUT I REF AUDIO OUT SDA B IN R OUT G IN H VCC H OUT TV IN X-TAL 3.58 Y SW OUT CONTRAST CONT. 2 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ABSOLUTE MAXIMUM RATINGS Symbol VCC Pd Topr Tstg Surge Parameter Supply voltage Power dissipation Operating temperature Storage temperature Electrostatic discharge Ratings Unit 6.0, 9.0 1.69 -20 to +65 -40 to +150 -200 to +200 V W °C °C V I2C BUS DEFAULT CONDITION OF ALL BLOCKS IN M52778SP All Blocks sub address 00H function DLA P/N DATA 20H function 32 0 01H All Blocks sub address 08H 09H 0AH 0BH 0CH 0DH 0EH 0FH 10H COLOR SET function HP BRI DR MUTE DB CR CG CB V-PO TRF HA DATA 20H 40H 20H 20H 20H 10H 10H 10H 60H function 32 0 8 32 32 0 32 16 16 16 0 1 1 VCOA AVSW 4.5/6.0 20H 32 0 0 02H 03H DFA TRF2 DBF TRAP VidG ATT 00H 40H 0 0 0 0 0 64 04H SHARP 05H 06H DEFE CONT DLTA TV/EXT 00H 0 20H 32 0 2 07H AUTO TINT 02H 0 13H ACL SER HST 00H 40H 0 1 0 0 0 40H 64 AFCG ACL 0 0 12H SUBPO ∗ Please refer to the following sub-address data for each parameter you measure. ELECTRICAL CHARACTERISTICS (Ta=25°C, pin8 and pin24:5V supply/pin9 and pin20:8V supply unless otherwise noted.) Test conditions Input signal SW Symbol Parameter Input SG S S 4 16 S S 44 45 P P P P P P P P P P P PIN 1 3 4 12 13 16 18 19 46 48 52 00H 01H AV DL P/ VC A N OA S W 03H ATT Limits VCC Sub address function Unit Note P P P P Min. Typ. Max. 8 9 20 24 Supply current − Default conditions of supply current − − ICC8 ICC24 Pin8, 24 supply current − − ICC9 Pin9 supply current − − ICC20 Pin20 supply current − − − Default conditions of VIF − − Vdc NEG Video detector output DC voltage (NEG) − − Vdc POS Video detector output DC voltage (POS) − − Vo NEG Video detector output AC voltage (NEG) V SG1 Vo POS Video detector output AC voltage (POS) V SG2 P/N Video S/N V SG3 Vf Video frequency characteristics V SG4 SW 1 1 0 0 20H PIN 20H 32 0 32 0 40H 64 5V 8V 8V 5V SW PIN M M SW PIN SW M − − − 70 110 150 mA 50 M PIN − 60 70 mA 5.5 10.0 15.0 mA VIF block 3 SW 1 1 0 0 20H PIN 20H 32 0 32 0 SW PIN GND M GND M SW 60H PIN SW 0 PIN SW M 0 PIN SW SW 60H M 0 PIN PIN 1 M 0 M 1 00H 0 5V 8V 8V 5V − − − − 4.3 4.7 5.1 V 1.6 2.0 2.4 V 1.9 2.2 2.5 V 1.9 2.2 2.5 V 50 55 − dB 4.5 5.5 − MHz PIN8+ PIN24 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS (cont.) Test conditions Input signal SW Symbol Parameter Input SG Vin min Input sensitivity V SG5 Vin max Maximum permissible input V SG6 GR AGC control range − − V4H Maximum IF AGC voltage − − V4T IF AGC voltage (80dBu) V SG7 V4L Minimum IF AGC voltage V SG8 V1 AFT defeat voltage − − µAFT N AFT detector sensitivity (NEG) V SG9 V1H N Maximum AFT voltage (NEG) V SG10 V1L N Minimum AFT voltage (NEG) V SG11 V3H Maximum RF AGC voltage V SG3 V3L Minimum RF AGC voltage V SG8 CRU Capture range (upper) V SG9 CRL Capture range (lower) V SG9 CRT Capture range (total) − − IM Intermodulation V SG12 DG DG V SG13 DP DP V SG13 SPN Sync ratio (NEG) V SG13 DLPH Maximum delay point (NEG/POS) V SG14 Minimum delay point (NEG/POS) V − Default conditions of SIF − − VAF AF output (DC) S SG21 VoAF N AF direct output (4.5M) S SG16 VoAF P AF direct output (5.5M) S SG17 VoAF S AF direct output (6.0M) S SG18 DLPL SG15 S S 4 16 S S 44 45 Sub address function P P P P P P P P P P P PIN 1 3 4 12 13 16 18 19 46 48 52 SW 01H AV DL P/ VC A N OA S W 03H ATT Unit Note P P P P Min. Typ. Max. 8 9 20 24 0 PIN SW 00H − M 0 PIN SW 50 0 PIN SW M 0 PIN SW M 0 PIN M SW PIN M SW 0 PIN M SW PIN M SW PIN M SW PIN M SW PIN M SW PIN M SW PIN M SW PIN SW PIN M SW PIN M SW PIN M SW PIN 60 − dBµ − dBµ 4.0 4.4 4.8 V 2.2 2.6 3.0 V 1.5 1.9 2.3 V 3.7 4.0 4.3 V 43 79 mV/ kHz 61 7.2 7.7 − V − 0.8 V 7.2 7.7 − V − 0.8 V 0.3 0.3 0.8 1.2 − MHz 2.2 2.6 − MHz 3.0 3.8 − MHz 31 − dB 36 − 3 7 − 3 7 deg 00/40H M 0 PIN M 63 SW 1 1 SW 52 dBµ 25.0 28.5 32.0 M SW PIN 47 102 107 M PIN SW Limits VCC 3F/7FH 0/1 calculate % % 90 96 − − 70 76 dBµ − − − − 2.8 V 0/1 calculate dBµ SIF block 0 0 20H PIN SW PIN M SW PIN M SW PIN M SW PIN 20H 32 0 32 0 M 40H 64 5V 8V 8V 5V 2.0 2.4 400 570 740 mVrms 430 570 710 mVrms 440 590 740 mVrms 4 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS (cont.) Test conditions Input signal SW Symbol Parameter Input SG VoAF M AF direct output (6.5M) S SG19 VoAF max Maximum AF output (6.0M) S SG18 ATT Maximum attenuation (6.0M) S SG18 THD AF AF output distortion (6.0M) S SG18 LIM Input limiting sensitivity S SG18 AMR AMR S SG20 AFSN AF S/N S SG21 GEAu EXT audio GAIN EXT SG22 S S 4 16 S S 44 45 Sub address function P P P P P P P P P P P PIN 1 3 4 12 13 16 18 19 46 48 52 00H 01H AV DL P/ VC A N OA S W Unit Note 03H P P P P Min. Typ. Max. 8 9 20 24 ATT SW PIN M SW 7FH PIN M 127 SW 00H PIN M 0 SW PIN M SW PIN M SW PIN M SW PIN M SW PIN M 60H 48H 32 1 72 Limits VCC 460 615 770 mVrms 860 1140 1420 mVrms − 59 68 dB − 1 3 % − 40 46 dB 49 50 − dB 53 63 − dB -2.0 0.0 2.0 dB ELECTRICAL CHARACTERISTICS (C0 to C12:input SG50 at SY IN C13 to C21:input SG60 at SY IN) Test conditions Input signal SW Symbol Parameter Input SG S S 4 16 S S 44 45 Sub address function P P P P P P P P P P P PIN 1 3 4 12 13 16 18 23 41 42 43 06H 07H DL TV/ AU TA EX T TO TINT 09H SE T H P Limits VCC Unit Note P P P P Min. Typ. Max. 8 9 20 24 chroma block (PAL) 5 SW − Default conditions of chroma − − Cn1 Output signal amplitude 1:- (B-Y) VI SS4P Cn2 Output signal amplitude 2:- (R-Y) VI SS4P ACC1 ACC 1 VI VS4P ACC2 ACC 2 OV Chroma overload VikP Threshold color killer on killP Residual color leakage at killer on APC1 APC pull in range 1 R/BP Ratio of (R-Y/B-Y) VS4P SW eb=monochroma PIN θR-Y P Demoduration phase θR-Y VS4P SW eb=monochroma PIN CC Residual carrier leakage VI DDH Offset of demodulated output by line VI v=+6dB VI VS4P SW VS4P SW v=variable PIN VS4P VI VS4P f=variable VI VI SS4P M SW VI v=-40dB M SW PIN 2FH 40H 47 0 8 5V 8V 8V 5V − M 0 3 dB -3 0 3 dB 1 3 5 dB -37 -33 dB − M 0 M M M M M M 30 60 mVP-P +300 +550 − -300 -450 − 0.45 0.6 0.75 Hz f=eb =ec − eb= ec+ 50kHz 80 90 100 deg 0 50 100 mVP-P SW PIN − -3 M SW PIN − 390 530 670 mVP-P SW PIN − 480 680 880 mVP-P M SW eb=800mV PIN VI 02H 2 0 0 PIN PIN VI 0 0 SW PIN v=-20dB VS4P 1 1 PIN M 4.2M SW sin PIN wave M − − 100 mV eb= ec+ 50kHz MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS (cont.) Test conditions Input signal SW Symbol Parameter Input SG S S 4 16 S S 44 45 Sub address function P P P P P P P P P P P PIN 1 3 4 12 13 16 18 23 41 42 43 06H 07H DL TV/ AU TA EX T TO TINT 09H SE T H P Limits VCC Unit Note P P P P Min. Typ. Max. 8 9 20 24 chroma block (NTSC) SW Cn3 Output signal amplitude 3:- (B-Y) VI SS3N Cn4 Output signal amplitude 4:- (R-Y) VI SS3N VikN Threshold color killer on VI VS3N killN Residual color leakage at killer on APC2 APC pull in range 2 R/BN Ratio of (R-Y/B-Y) VS3N SW eb=monochroma PIN θR-Y N Demoduration phase θR-Y VS3N SW eb=monochroma PIN TC1 Tint control 1 TC2 Tint control 2 v=variable VI VS3N eb=0mV VI VS3N f=variable VI VI VI M 6 SW M 46H M 6 M 6 SW SW VS3N SW eb=monochroma PIN M 46H M 6 M 6 46H 7FH 46H M 127 00H M 0 -46 -38 0 46H PIN SW − 46H PIN PIN 470 670 870 mVP-P 320 480 620 mVP-P 6 SW PIN VS3N 5V 8V 8V 5V 46H PIN eb=monochroma VI 46H PIN 6 46H 6 30 dB 60 mVP-P +350 +870 − -350 -1000 − Hz 0.4 0.6 0.8 − 80 95 110 deg 25 45 60 deg 25 45 60 deg eb= ec+ 50kHz chroma block (others) SRA SECAM ref output amplitude − − SRD SECAM ref output DC voltage − − AUTO 1 System identification 1 4.43 PAL VI SS4P AUTO 2 System identification 2 4.43 NTSC VI SS4N AUTO 3 System identification 3 3.58 PAL VI SS3P AUTO 4 System identification 4 3.58 NTSC VI SS3N AUTO 5 System identification 5 SECAM − − AUTO 6 System identification 6 black & white − − SW 41H PIN M 1 M 1 SW 41H PIN SW PIN 25H M 1 1 1 M 1 1 1 M 1 1 1 SW PIN 25H SW PIN 25H SW PIN 25H M 1 1 1 SW PIN 25H M SW PIN 150 µA 1 1 1 25H M 1 1 1 5V 8V 8V 5V 200 400 570 mVP-P 3.8 4.3 4.8 V − 0001 − bus data read mode − 0101 − bus data read mode − 1001 − bus data read mode − 1101 − bus data read mode − 0011 − bus data read mode − --00 − bus data read mode 6 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Sub address No. 08H 0BH function COLOR Y 0 DATA 00H function 0 DR 13H MUTE ACL SER HST AFCG 20H 32 47H 0 15 0 0 0 ELECTRICAL CHARACTERISTICS Video & RGB I/F block (∗ input SG50 at SY IN. (Y5 to Y7, Y36 to Y46:input SG60.)/V CC:P8, P24=5V.P9, P20=8V) Test conditions Input signal SW S S S S 4 16 44 45 Symbol − Ymax GY FBY 2AGY CTR1 TRF1 DTR1 CTR2 Parameter Default conditions of video & RGB I/F Maximum video amplitude Video gain Video frequency characteristics Pin 38 output amplitude Chroma trap attenuation 1 Chroma trap fine adj. attenuation 1 Chroma double trap attenuation 1 Chroma trap attenuation 2 Input SG − − P P P P P P PIN 21 22 23 26 38 40 SW 1 1 0 0 VI VI SGA SGA SGB SGA VI SGF VI SGF VI SGF VI SGB TRF2 Chroma trap fine adj. attenuation 2 DTR2 Chroma double trap attenuation 2 VI SGB YDL1 Y delay time 1 VI SGA YDL2 Y delay time 2 VI SGA YDL3 Y delay time 3 VI SGA YDL4 Y delay time 4 VI SGA GTnor Video tone 1 VI SGB VI SGB Video tone 2 VI SGB GT2M Video tone 3 Video tone 4 VI VI SGB SGB 00H 20 H PIN M M M 127 SW 40 H PIN M M M 64 0A 09H H 0C H 02H 40 40H 20 H H Unit Note 10H Min. Typ. Max. 60H 33H 40 H SW M 51 SW 46H M 00/20H SW PIN M M M SW 20/28H 30H 00/20H PIN M M M SW PIN M M M SW PIN M M M 51 00/60H 6 8 0/1 20/28H 51 33H 1 30H 1 1 00/60H 51 11 14 dB -4 0 − dB 2.7 VP-P − − -18 dB − − -20 dB − − -18 dB − − -20 dB 0/1 33H 51 SW 00H 0 SW 01H PIN M M M 1 SW 02H PIN M M M 2 SW 03H PIN M M M SW 46H 51 PIN M M M SW 8 33H 0/1 0/1 6 8 33H 1 1 4.9 VP-P 46H 51 33H 1 0/1 PIN M M M SW 33H 0/1 4.1 1.5 2.1 6 8 PIN M M M 3.2 64 SW PIN 3 20H 32 H 32 3FH 32 H 63 135 220 265 nsec 250 380 450 nsec 345 500 605 nsec 1.1 1.6 2.1 VP-P 0 3.6 6.7 dB -10 -4 -1 dB -2.0 1.0 4.0 dB 50 00H 32 H PIN M M M H SW 20H 32 H 32 155 240 325 nsec 50 SW PIN M M M 7 06H 4.5 SH TV/ / DF TR DB TR Vid AR DE CO DL EX AU BR SE HP DB V- TR HA A F2 F AP G P FP NT TA T TO Y T PO F 6.0 7F H PIN M M M GTmin 05 H 0 0 0 0 0 0 0 0 32 2 0 0 64 0 8 32 0 1 1 PIN M M M GTmax 04H SW PIN VI 02H 00H PIN VI Limits Sub address function 50 50 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS Video & RGB I/F block (cont.) Test conditions Input signal SW S S S S 4 16 44 45 Symbol GT5M Parameter Video tone 5 Input SG VI SGB PIN P P P P P P 21 22 23 26 38 40 02H Contrast 1 VI Contrast 2 VI Lumnor Lummax Lummin Bright 1 Bright 2 Bright 3 − − − 32 − − − D (R) Drive R VI SGA D (B) Drive B VI SGA 0A 09H H 06H PIN M M M EX (G) EX (B) EXT (G) I/O EXT (B) I/O FB ER SGD FB EG SGD PIN M M M FB EB SGD -4 -1.4 1.2 dB 2.1 2.5 2.9 VP-P − − 50 mV 1.1 1.4 1.8 V 0.6 1.0 1.4 V -1.4 -1.0 -0.6 V 0 SW 40 H PIN M M M 64 SW 7F H PIN M M M 127 SW 00 H PIN M M M 0 SW 00/3FH PIN M 0/ 63 2.9 5.5 7.1 dB 2.9 5.5 7.1 dB 4.8 6.0 7.2 VP-P 4.8 6.0 7.2 VP-P 4.8 6.0 7.2 VP-P 00/ 3FH M SW 0/ 63 0 PIN M SW PIN Min. Typ. Max. 64 00 H PIN EXT (R) I/O Unit Note 10H 50 SW EX (R) 0C H 40 H SGB SW f=100kHz 05 H 20H 32 H SW SGB SW f=100kHz GYmin 04H 4.5 SH TV/ / DF TR DB TR Vid AR DE CO DL EX AU BR SE HP DB V- TR HA A F2 F AP G P FP NT TA T TO Y T PO F 6.0 PIN M M M GYnor Limits Sub address function 0 M SW 0 PIN M M 7F H 00 H 127 0 7F H 00 H 127 0 7F H 00 H 127 0 Video & RGB I/F block (cont.) Test conditions Input signal SW S S S S 4 16 44 45 Symbol OFRG OFBG C (R) Parameter Input SG Offset voltage R-G − − Offset voltage B-G − Cut off R − P P P P P P PIN 21 22 23 26 38 40 − − C (G) Cut off G − − C (B) Cut off B − − M 05 H 06H 08 0A 0D 0E 0F H H H H H 4.5 TV/ CO / DF TR DB TR Vid CO DL EX AU LO BR CR CG CB AC SE HS AF A F2 F AP G NT TA T TO R I L R T CG 6.0 40 H M M 40 H 00/ FFH PIN M 64 0/ 255 00/ FFH SW 0/ 255 M 00/ FFH SW PIN Min. Typ. Max. -160 0 160 mV -160 0 160 mV 1.0 1.4 1.8 V 1.0 1.4 1.8 V 1.0 1.4 1.8 V 64 SW PIN Unit Note 13H 64 SW PIN 02H 40 H SW PIN Limits Sub address function M 0/ 255 8 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS Video & RGB I/F block (cont.) Test conditions Input signal SW S S S S 4 16 44 45 Symbol Parameter Input SG DLF Y delay time 〈fine〉 VI SGA Ccon1 Color control 1 -R SGE P P P P P P PIN 21 22 23 26 38 40 05 H 02H 06H 02H SW Color control 2 -R SGE Min. Typ. Max. 9 3 7F 48 H H 1 1 127 SW Unit Note 13H 03H 1 PIN M Ccon2 08 0A 0D 0E 0F H H H H H 4.5 TV/ CO / DF TR DB TR Vid CO DL EX AU LO BR CR CG CB AC SE HS AF A F2 F AP G NT TA T TO R I L R T CG 6.0 SW PIN M M M Limits Sub address function PIN M 65 nsec 150 310 500 mVP-P 72 00 48 H H 1 1 45 − 10 150 mVP-P 0 72 SW VMF Video mute VI SGB MTXB Matrix 1 -B SGE f=4.43M 0BH PIN M M M SW 1 1 20H PIN M MTXG Matrix 2 -B SGE SW PIN MTXR MTXG1 Matrix 3 Matrix 4 -R -R SGE SGE OSD2 OSD speed 1 OSD speed 2 ER,EG EB,FB ER,EG EB,FB SGD SGD 1 1 1 1 1 PIN M SW 1 1 Contrast 3 VI M ABR PACL1 Contrast 4 Bright control 〈VCC=8.5V at pin20〉 Peak ACL 1 VI 1 − − SGB Peak ACL 2 VI SGB Peak ACL 3 VI SGB 50 64 32 H 40 7F H H 50 64 32 H 40 7F H H 50 64 00 H PIN M M M 0 2.9 V PIN M M M 0V 127 M 127 00H 0 7F H M M 1.2 VP-P A0/A7 MUTE :0/1 80 190 300 mVP-P 0.5 0.8 1.2 VP-P 127 200 400 600 mVP-P 127 − 20 − 50 160 nsec 3.7 4.6 6.3 VP-P − 0 50 mVP-P 90 nsec 2.0 − − V 127 127 0 00H 1.0 2.0 3.0 V 20 20 20 H H H 40H 3.2 4.2 5.2 V 3.4 4.4 5.4 V 32 32 32 8 0 0 0 00H 0 20 20 20 H H H 32 32 32 0 0 0 0 00H 7F H SW 0.8 127 7F H SW 0.5 dB 127 7F H SW M -40 127 7F H SW -50 127 7F H SW PIN 9 40 7F H H SW PIN PACL3 32 H 0 PIN PACL2 64 PIN M M M PIN VI 50 00 H SGA SGA 20H 40 7F H H SW PIN M M M GYmin1 20H 1 SW GYmax1 20H M SW PIN OSD1 1 32 H − 20 20 20 H H H 47H 32 32 32 15 0 0 0 P20= 8.5V MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Sub address 06H function TV/ EXT No. DLTA DATA D 0 08H AUTO COLOR 20H function 0 00H 0 1 0 ELECTRICAL CHARACTERISTICS Deflection block Test conditions Input signal SW Symbol S S 44 45 09H SG Default conditions of deflection − − ISS Sync. sep. input sensitivity; current − − BGP1 Burst gate pulse timing 1 (PAL) SY SGa BGP2 Burst gate pulse timing 2 (NTSC) SY SGb BGPW Burst gate pulse width SY SGa fH Horizontal free-running frequency − − FPH1 P P P P P P P P P PIN 12 13 16 18 19 21 22 23 39 SW 1 1 0 0 SW PIN M M SW PIN M SW FPH2 Horizontal pull-in range 2 SGc SW SY f=variable PIN M M HPT1 Horizontal pulse timing 1 SY SGa M M HPT2 Horizontal pulse timing 2 SY SGa M M HPT3 Horizontal pulse timing 3 SY SGa M M TH Horizontal pulse width − − VH Horizontal pulse amplitude − − HSTO Horizontal pulse stop function − − AFCG AFG gain SY SGa AVER5 50/60 identification 5 SY SW Service switch − FPV Vertical pull-in range VW Vertical pulse width SW 1.5 2.5 3.5 µsec 1.6 2.6 3.6 µsec 4.8 6.0 7.2 µsec 47/67H 25 3 4 − V 3 4 − V 2.0 4.0 10 dB 41 44 47 Hz − 70 − Hz D7=0 M SW PIN 3.5 4 4.5 V M M 1 1 0 0 M SW PIN 29 µsec 0/1 SW PIN 9.2 µsec 21 1 0 Hz 1.4 2.0 µsec 57H M SW 8.1 Hz 0.8 M M − -440 -220 6.7 SW PIN − 15 M PIN SGd − -2.0 -1.4 -0.8 µsec 0 78H SW PIN SGd SW SY f=variable PIN − 0.2 mA SW PIN f70Hz − 0.1 7.0 SW PIN − − 00H SW PIN − +580 +780 SW PIN − 15.3 15.7 16.1 kHz M PIN − 5V 8V 8V 5V M M − 47H SW PIN M SGc SW SY f=variable PIN − 20 00 H H M Horizontal pull-in range 1 frequency 60H P P P P Min. Typ. Max. 8 9 20 24 SW PIN M Vertical free-running Unit Note 13H 0 8 0 1 1 32 0 15 0 0 0 PIN fV 11 12 H H SU V B AC SE HS AF SE HP V- TR T PO F HA SIZ VP L R T CG O 40H PIN 10H Limits VCC Sub address function Parameter Input − S S 4 16 M − − 65 w- wHz D7=1 0.35 0.52 0.65 msec 10 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS Deflection block (cont.) Test conditions Input signal SW Symbol Sub address function 09H Input SG − − Vertical blanking width (pin21, 22, 23) AVER1 50/60 identification 1 SY AVER2 50/60 identification 2 SY AVER3 50/60 identification 3 SY AVER4 50/60 identification 4 SY WVSS Vertical sync. detection minimum width Rsi1 Vertical ramp size R∆s1 Vertical ramp size control range SY Vertical ramp position control range SY Rgc Vertical position center adjustment SY SGA Rpr Vertical ramp out pulse width (PAL) SY SGA 11 S S 44 45 Parameter VBLKW Rpo1 S S 4 16 SY P P P P P P P P P PIN 12 13 16 18 19 21 22 23 39 SGd SW f63Hz PIN SGd SW f57Hz PIN SGd SW f53Hz PIN SGd SW f47Hz PIN SGd SW SGA 11 12 H H M 00/ 40 H SGA 7F/60H 20 H SW PIN M SW PIN M M SW PIN M − 63 − wHz D7=1 − 57 − wHz D7=1 − 53 − wHz D7=0 − 47 − wHz D7=0 9.5 − − µsec 83 93 103 % 0/ 64 M SGA 1.5 1.6 msec 900 1100 1300 mVP-P M SW PIN P P P P Min. Typ. Max. 8 9 20 24 1.35 M M M SW PIN Unit Note 13H SU V B AC SE HS AF SE HP V- TR T PO F HA SIZ VP L R T CG O SW PIN f60Hz width PIN variable SY 10H Limits VCC 31 /0 120 170 220 mV 32 4 − 27 data 520 545 570 µsec MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ELECTRICAL CHARACTERISTICS TEST METHOD IM Intermodulation P/N Video S/N 1. Adjust the applied voltage at pin 4 so that the lowest output 1. Input SG3 and measure the rms value of output signal at pin 52. signal voltage at pin 52 is 2.2V. 2. P/N is defined as follows: P52 3 P/N=20log V0NEG measured value (VP-P) ×10 ×0.7 (dB) Measured value (mVrms) 2.2V BW Video frequency characteristics 2. Measure elements of 1.07MHz and 4.43MHz of output at pin 52. 1. Input SG4 and set the frequency f2 to 37.9MHz so that the beat 3. IM is defined as follows: element of 1MHz is output to pin 52. IM=20log Element of 1.07MHz (dB) Element of 4.43MHz 2. Then set the applied voltage at pin 4 so that the beat element of 1MHz at pin 52 may be 100dBµ. 3. Decrease f2 to the level at which the beat element becomes 3dB smaller than the element of 1MHz, and read the value at that ATT Maximum attenuation 1. Measure the element of 400Hz of output at pin 46. level. V0AFmax 2. ATT=20log Measured value (dB) P52 100dBµ 3dB LIM Input limiting sensitivity Decrease the input level of SG 18. Measure the input level when the element of 400Hz at pin 46 is 3dB smaller than V 0AFM (S6: 1MHz BW Maximum AF output (6.0M)). Vin min. Input sensitivity AMR 1. Decrease SG5 level until the video detector output is 3dB 1. Vam is the element of 400Hz at pin 46. 2. AMR is defined as follows: smaller then the measured value of Parameter V3 “Video AMR=20log V0AFS (mVrms) (dB) Vam (mVrms) detector output”. Vin max. Maximum permissible input AF S/N 1. Input 90dBu SG6. 1. Measure the noise (20Hz to 100kHz) of output at pin 46. 2. VA is the output level at pin 52. Increase SG6 voltage until the output at pin 52 becomes 3dB smaller than VA. The input levell at µAFTN AFT detector sensitivity (NEG) GEAu EXT Audio GAIN V1HN Maximum AFT voltage (NEG) Input SG22 at pin 47, and measure the output V P-P at pin 46. V1LN Minimum AFT voltage (NEG) GAIN=20log See the following figure. V1HN V0AFmax (dB) Measured value AF S/N=20log that time is the maximum permissible input. P1 2. AF S/N is defined as follows: Input signal VP-P (dB) Output signal VP-P (pin46) ∆f Cn1 Output signal amplitude 1 (PAL) 5.0V Cn2 Output signal amplitude 2 (PAL) 1. Input SS4P to VI IN. 3.0V V1LN 37.9Mz f0 39.9MHz f 2. Measure output amplitude, Cn1 and Cn2, at pins 41 and 43 respectively. µAFTN is defined as follows: µAFTN= (5.0-3.0)×103mV (mV/kHz) ∆f kHz 12 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC ACC1 4. R-YP is defined as follows: 1. Input VS4P (eb=570mV:level+6dB) to VI IN. 2. Measure the output amplitude at pin 43. θR-Y P=tan-1 V43×3.8 +45 (deg) V41×1.9 3. ACC1 is defined as follows: ACC1=20log Measured value (VP-P) (dB) Cn1 (VP-P) CC Residual carrier leakage Measure the element of 4.43MHz of the demodulated output in noinput state. ACC2 1. Input VS4P (input level:20dB) to VI IN. DDH Offset of demodulated output by line 2. Measure the output amplitude at pin 41. 1. Input 4.2MHz CW (Vi=575mVP-P) to VI IN. 3. ACC2 is defined as follows: 2. Measure the center DC voltage of output beat amplitude for two ACC2=20log Measured value (VP-P) (dB) Cn1 (VP-P) lines at pins 41 and 43. The absolute value of the difference in DC voltage is the difference of demodulated output on line. OL Chroma overload 1. Input VS4P (ec=800mVP-P:chroma+3dB) to VI IN. 2. Measure the output amplitude at pin 41. M 1H 3. OL is defined as follows: M 2H OL=20log Measured value (VP-P) (dB) Cn1 (VP-P) GND Cn3, Cn4 Output signal amplitude3, 4 (NTSC) VikP Threshold color killer on (PAL) 1. Input VS4P (level:variable) to VI IN at input level 0dB. 2. Lower the input level whth monitoring the output amplitude at pin 1. Input SS3N to VI IN. 2. Cn3 and Cn4 are output amplitude measured at pins 41 and 43 respectively. 41 and measure the input level when output amplitude isnot found. VikN Threshold color killer on (NTSC) 1. Input VS3N (level:variable) to VI IN at input level 0dB. KillP Residual color leakage at killer on (PAL) 1. Input VS4P (level:40dB) to VI IN. 2. Measure the output amplitude at pin 41. APC1 APC pull-in range 1 2. Lower the input level with monitoring the output amplitude at pins 41 and measure the input level when output amplitude is not found. KillN Residual color leakage at killer on (NTSC) 1. Input VS4P (f=eb=ec=variable) to VI IN. 2. Change the input signal frequency and measure the frequency 1. Input VS3N (level:-40dB) to VI IN. 2. Measure the output amplitude at pin 41. range from the point at which signal is output to pin 41 and to the point that no signal is output to the pin. The reference value is 4.433619MHz. APC2 APC Pull-in range 2 1. Input VS3N (f=eb=ec=variable) to VI IN. 2. Change the input signal frequency and measure the frequency R/B P Ratio of (R-Y/B-Y) range from the point at which no signal is output to 41 pin and to 1. Input VS4P (eb=single chroma=ec+50kHz) to VI IN. 2. V41 is the output amplitude at pin 41. the point at which signal is output to the pin. (Pull-in state) The reference value is 3.579545MHz. 3. V43 is the output amplitude at pin 43. 4. R /B P is defined as follows: R/B P=20log V43 (VP-P) V41 (VP-P) R/B N Ratio of (R-Y/B-Y) (dB) 1. Input VS3N (eb=signal chroma=ec+50kHz) to VI IN. 2. V41 is the output amplitude at pin 41. θR-Y P Demodulation phase 1. Input VS4P (ed=single chroma=ec+50kNz) to VI IN. 2. V41 is the output amplitude at pin 41. 3. V43 is the output amplitude at pin 43. 13 3. V43 is the output amplitude at pin 43. 4. R/B N is defined as follows: R/B N=20log V43 (VP-P) V41 (VP-P) (dB) MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC θR-Y N Demodulation phase AUTO1 to 6 System identification1 to 6 1. Input VS3N (eb=single chroma=ec+50kHz) to VI IN. Set to AUTO mode and confirm that bus for each output signal is 2. V41 is the output amplitude at pin 41. read correctly. 3. V43 is the output amplitude at pin 43. Ymax Maximum video output 4. R-YN is defined as follows: θR-YN=tan-1 1. Input SGA to VI IN V43×3.8 +45 (deg) V41×1.9 2. Measure the amplitude (P-P) except that at blanking part of output at pins 21, 22 and 23. TC1 Tint control 1, TC2 Tint control 2 1. Input VS3N (see the following figure) to VI IN. Based on the M output voltage at pin 41, find the absolute angle as shown in the following figure. 0° 90° -180° GY Video gain 1. Input SGA to VI IN 2. Measure the amplitude (P-P) except that at blanking part of output at pins 21, 22 and 23. This amplitude is defined as G1. M =G1 A B GND 3. GY is defined as follows: GY=20 log (G1VP-P/0.714VP-P) (dB) 90° BW Video frequency characteristics 1. Input SGB (5MHz, 0.4VP-P) to VI IN. 2. Measure the amplitude (P-P) except that at blanking part of the output at pin 22. The amplitude is defined as YB. A B θ 0° θ=tan-1 (B/A) 3. BW is defined as follow: BW=20 log (YB VP-P /GY VP-P) (dB) 2AGY Pin38 output amplitude 1. Input SGA to VI IN. 2. Measure the amplitude (P-P) at pin 38 output. CTR1 Chroma trap attenuation 1 (common to R/G/B output) 2. TC is defined as the angle when tint data is center (63). TCmax is the angle when tint data is max,and TCmin is the 1. Input SS3N to VI IN. Measure the frequency level of 3.58MHz at trap data 0. The level is defined as N0. angle when tint data is min. 2. Then, measure the level at trap data 1. TC1=TCMAX-TC (deg) 3. CTR1 is defined as follows. TC2=TC-TCMIN (deg) CTR1=20log Measured value (mVP-P) (dB) N0 (mVP-P) SRA SECAM REF output amplitude SRD SECAM REF output DC voltage Measure the amplitude (SRA) and DC voltage (SRD) of the element of 4.43MHz of output at pin 42. 14 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC TRF1 Chroma trap fine adj. attenuation 1 DTR2 Chroma double trap attenuation 2 (common to R/G/B output) 1. Input SS4P to VI IN. 1. Input SS3N to VI IN. 2. Measure the output amplitude of the element of 4.43MHz when 2. Measure the output amplitude of the element of 3.58MHz when D.trap swich is on. (DTR on) 3. DTR2 is defined as follows. trap fine adj. switch is on. (TRFon) 3. TRF1 is defined as follows. TRF1=20log TRFon (mVP-P) (dB) N0 (mVP-P) DTR2=20log DTRon (mVP-P) (dB) P0 (mVP-P) Note: In parameters Y5,Y6,Y8 and Y9, limits are defined based on Measure the most attenuation part in three condition of (2), and the the maximum attenuation by comparing each one. most attenuation part is defined as Y6. The three condition of (2) is shown below. condition 1 condition 2 condition 3 TRAP FINE ADT SW ON OFF ON YDL1 Y delay time1 FINE 2 OFF ON ON 1. Input SGA to VI IN. 2. Measure the delay time from signal input to output at pins 21, 22 and 23. SGA Output signal M DTR1 Chroma double trap attenuation 1 Measure the delay time at the center point of rise. (common to R/G/B output) 1. Input SS3N to VI IN. 2. Measure the output amplitude of the element of 3.58MHz when D.trap swich is on. (DTR on) YDL2 to 4 Y delay time2 to 4 1. Input SGA to VI IN. 3. DTR1 is defined as follows. 2. Measure the delay time from signal output at pins 21, 22 and 23 DTR1=20log DTRon (mVP-P) (dB) N0 (mVP-P) to Y11, YDL1. GTnor Video tone 1 CTR2 Chroma trap attenuation 2 (common to R/G/B output) 1. Input SGB (f=3MHz) to VI IN. 1. Input SS4P to VI IN and measure the frequency level of 2. Measure output amplitude at pins 21, 22 and 23. 4.43MHz at trap data 0. The level is defined as P 0. 2. Then, measure the level at trap data 1. GTmax Video tone 2 3. CTR2 is defined as follows. 1. Input SGB (f=3MHz) to VI IN. CTR2=20log Measured value (mVP-P) (dB) P0 (mVP-P) 2. Measure output amplitude at pins 21, 22 and 23. 3. GTmax is defined as follows: GTmax=20log Measured value (VP-P) (dB) GTnor (VP-P) TRF2 Chroma trap fine adj. attenuation 2 1. Input SS4P to VI IN. 2. Measure the output amplitude of the element of 4.43MHz when trap fine adj. swich is on. (TRFon) GTmin Video tone 3 1. Input SGB (f=3MHz) to VI IN. 3. TRF2 is defined as follows. 2. Measure output amplitude at pins 21, 22 and 23. TRF2=20log TRFon (mVP-P) (dB) P0 (mVP-P) 3. GTmin is defined as follows: Measure the most attenuation part in three condition of (2) , and the GTmin=20log Measured value (VP-P) (dB) GTnor (VP-P) most attenuation part is defined as Y9. GT2M Video tone 4 The three condition of (2) is shown below. condition 1 condition 2 condition 3 15 TRAP FINE ADT SW ON OFF ON FINE 2 OFF ON ON 1. Input SGB (f=2MHz) to VI IN. 2. Measure output amplitude at pins 21, 22 and 23. 3. GT2M is defined as follows: GT2M=20log Measured value (VP-P) (dB) GTnor (VP-P) MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC GT5M Video tone 5 EXR EXT (R) I/O, EXG EXT (G) I/O, EXB EXT (B) I/O 1. Input SGB (f=5MHz) to VI IN. 1. Input SGD to FB, ER, EG and EB. 2. Measure output amplitude at pins 21, 22 and 23. 2. Measure output amplitude which is higher than the pedestal level at pins21, 22 and 23. The amplitude at blanking part should not 3. GT5M is defined as follows: GT5M=20log Measured value (VP-P) (dB) GYnor (VP-P) be measured. M GYnor Contrast 1 1. Input SGB (f=100kHz) to VI IN. 2. Measure output amplitude at pins 21, 22 and 23. GYmin Contrast 2 OFRG Offset voltage R-G, OFBG Offset voltage B-G 1. Input SGB (f=100kHz) to VI IN. 1. Measure DC voltage of output at pin 21, 22 and 23 except that at 2. Measure output amplitude at pins 21, 22 and 23. blanking part . 2. OFRG and OFRB are defines as follows: Lum nor Brightness control 1, Lum max Brightness control 2, Lum min Brightness control 3 OFRG= (pin 21 Measured voltage)-(pin 22 Measured voltage) (mV) 1. No signal is input. (Only SG50 is input to SY IN.) OFBB= 2. Measure DC voltage of output at pins 21, 22 and 23 except that (pin 23 Measured voltage)-(pin 22 Measured voltage) (mV) at blanking part. Output waveform R (C) Cutoff R, G (C) Cutoff G, B (C) Cutoff B 1. Measure DC voltage of output at pin 21, 22 and 23 when R (C), G (C) and B (C) data are maximum and minimum respectively. M The DC voltage at blanking part should not be measured. GND 2. R (C), G (C) and B (C) are defined as follows: R (C), G (C) and B (C)= 3. Y23=(Lum max)-(Lum nor), Y24=(Lum min)-(Lum nor) (Voltage at data max.)-(Voltage at data min.) (V) D (R) Drive R DLF Y delay time 〈fine〉 1. Input SGA to VI IN. 1. Input SGA to VI IN. 2. Measure DRmin and DRmax which are output amplitude at pins 2. Measure the time lag (absolute value) between signal YDL4 and 21 at D (R) data min and D (R) data max respectively. output signal at pins 21, 22 and 23. 3. G (R) is defined as follows: Y14 YDL4 signal G (R)=20log DRmax (VP-P) (dB) DRmin (VP-P) Output signal M Measure the time lag at the center point of rise. D (B) Drive B 1. Input SGA to VI IN. 2. Measure DBmin and DBmax which are output amplitude at pin 23 at D (B) data min and D (B) data max respectively. 3. D (B) is defined as follows: D (B)=20log DBmax (VP-P) (dB) DBmin (VP-P) Ccon1 Color control 1, Ccon2 Color control 2 1. Input SGE to -RIN (pin 45). 2. Measure output amplitude at pins 21 under each condition. VMF Video mute 1. Input SGB to VI IN. 2. Measure output amplitude of the element of 4.43MHz when the mute switch is on and off. (VMFon, VMFoff) 3. VMF is defined as follows: VMF=20log TRFon (VP-P) (dB) TRFoff (VP-P) 16 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC MTXB Matrix 1, MTXG Matrix 2 FPH1 Horizontal pull-in range 1 1. Input SGE to-B IN (pin 44). FPH2 Horizontal pull-in range 2 2. Measure output amplitude at pins 22 and 23. Change the frequency of SGc and measure the frequency at the (P23=MTXB, P22=MTXG) moment when the output signal at pin 13 and the input signal at pin 39 are pulled in. The horizontal pull-in range is measured by MTXR Matrix 3, MTXG1 Matrix 4 comparing with 15.625kHz. 1. Input SGE to-R IN (pin 45 ). 2. Measure output amplitude at pins 21 and 22. HPT1 Horizontal pulse timing 1 (P21=MTXR, P22=MTXG1) HPT2 Horizontal pulse timing 2 HPT3 Horizontal pulse timing 3 OSD1 OSD speed 1, OSD2 OSD speed 2 HPT2 = Hphase data ( 0 ) - HPT1 1. Input SGD to FB, ER, EG and EB. HPT3 = Hphase data (15) - HPT1 2. Measure rise time and fall time of the signal of output at pins 21, 22 and 23. Measurement points should be higher than the P39 SYNC pedestal level and blanking part should not be measured. HPT1, HPT2, HPT3 90% 10% Output waveform at pins21, 22 and 23. VH P13 H OUT TH M M OSD1 OSD2 TH Horizontal pulse width, VH Horizontal pulse amplitude GYmax1 Contrast 3, GYmin1 Contrast 4 1. Input SGA to VI IN. 2. Measure output amplitude at pina 21, 22 and 23 when 2.9V and HSTO Horizontal pulse stop function Confirm that the horizontal output is high when the horizontal stop 0V are extemally applied to pin 26. switch is on. ISS Sync separation input sensitivity current Make current flow out from pin 39 and measure the flow current AFCG AFC gain when the free running frequency (=45Hz) changed at pin 18 . 1. Measure AFC on which is the output amplitude of pin 16 when AFC switch is on and AFC off which is that when the switch is off. 2. AFCG is defined as follows: BGP1 Burst gate pulse timing 1 (PAL) BGP2 Burst gate pulse timing 2 (NTSC) AFCG=20log BGPW Burst gate pulse width P39 SYNC AFCon (VP-P) (dB) AFCoff (VP-P) FV Vertical free running frequency Measure the output frequency at pin 18 when no signal is input. BGP1,BGP2 SW Service SW operation Measure the output DC voltage at pin 18 when the service switch P12 SCP BGPW is on. FPV Vertical pull-in range Decrease the frequency of SGd and measure the frequency when output waveform at pin 18 is pulled in. FH Horizontal free running frequency Measure the output frequency at pin 13 when no signal is input . VW Vertical pulse width (free running) Measure the output pulse width at pin 18, when 43kΩ at pin 10 is connected to 8V (VCC). 17 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC VBLKW Vertical blanking width Note: The timing and pulse width of the horizontal blanking pulse Output waveform at pins 21, 22 and 23 M GND should be as shown in the following figure by adjusting the variable resistor of the single shot multi vibrator. PIN 13 Horizontal output AVER5 50/60 identification 5, AVER1 50/60 identification 1 AVER2 50/60 identification 2, AVER3 50/60 identification 3, AVER4 50/60 identification 4 Confirm that the frequency of output at pin 18 is the same at each input frequency (pull-in state). Also, confirm the state of the bus 8µs read mode (D7). WVSS Vertical sync.detection minimum width Change the input pulse width of SGd and measure the input pulse Horizontal blanking pulse width at the moment when the output signal at pin 18 and the input signal at pin 39 are pulled in. Rsi1 Vertical ramp size Measure the pin18 amplitude. Rs1 Vertical ramp size control range 12µs 1. Measure the pin 18 amplitude. (size data : max and min) 2. Rs1= Pin18 size max-pin18 size min ×100(%) Rsi1 The variable resistor at pin 15 of the TTL IC, M74LS221P, is used to fix the timing at 8µs and that at pin 7 is used to fix the pulse width at Rpo1 Vertical ramp position control range 1. Measure the pin 18 top voltage. ( position data : max and min ) 2. Rpo1=pin 18 posi max - pin 18 posi min (mv) Rgc Vertical position center adjustment 1. Adjust the position bus data so that the output DC bias current at pin18 and pin 19 should be equal. 2. Specify this position bus data adjusted above. Rgr Vertical ramp out pulse width (PAL) 12µs. ∗Coil adjustment VCO COIL 1. Set the test conditions as shown in the parameter V14. 2. Input CW (fo=38.9MHz, Vi=90dBµ) to input pin A. 3. Set the DC voltage at pin 1 (AFT OUT) to 1/2Vcc (4.0V) by adjusting VCO coil. PIN 1 Output waveform Voltage Measure the output pulse width at pin 18, when 43kΩ at pin 10 is connected to 8V (VCC). 4.0V 38.9MHz Frequency Note: VCO coil should always be adjusted as above before using this IC. 18 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC INITIAL CONDITION (The binary, Decimal and hexadecimal number table) Hexadecimal number 0 1 2 3 4 5 6 7 8 9 A B C D E F Binary number D2 D1 0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 0 0 0 0 0 1 0 1 1 0 1 0 1 1 1 1 D3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D7 Decimal D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 01H 02H 03H 04H 05H 06H 07H 08H (Note) Hexadecimal number Decimal Hexadecimal number Decimal 09H 0AH 10H = 16 90H = 144 20H = 32 A0H = 160 30H = 48 B0H = 176 40H = 64 C0H = 192 50H = 80 D0H = 208 60H = 96 E0H = 224 70H = 112 F0H = 240 80H = 128 0BH 0CH 0DH 0EH 0FH 10H 11H 12H 13H D5 D4 POS/ NEG 00H 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 D6 NO 0 0 0 AVSW 0 0 1 0 0 0 DEFEAT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 D2 D1 D0 0 0 VCO ADJ 0 0 0 0 TINT 0 0 0 0 COLOR 0 1 0 0 0 0 0 HPHASE 3.58 NTSC SECAM 1 0 0 0 0 0 0 BRIGHT 0 1 0 0 0 0 0 MUTE DRIVE R 0 1 0 0 0 0 0 DRIVE B 0 1 0 0 0 0 0 CUT OFF R 0 0 1 0 0 0 0 CUT OFF G 0 0 1 0 0 0 0 CUT OFF B 0 0 1 0 0 0 0 HADJ F TRAP V-POSI 0 1 1 1 0 0 0 V-SIZE 0 1 0 0 0 0 0 SUB-POSI 0 0 0 0 0 0 0 ACL AFCG HST SERSW ACL 1 0 0 0 0 0 0 1 0 0 I2C BUS FORMATS (1) Slave address: A6 A5 A4 A3 A2 A1 A0 R/W 1 0 1 1 1 0 1 0 (=BAH) (2) Slave address format: write S SLAVE ADDRESS start condition read S 19 SUB ADDRESS A DATA BYTE acknowledge bit SLAVE ADDRESS start condition A A acknowledge bit A P stop condition DATA BYTE A P stop condition Data 00H 0 0 0 TRAP DBF FTRAP2 DFA 4.5/6.0 0 0 0 1 1 0 AUDIO ATT 0 0 0 0 0 0 SHARPNESS 1 0 0 0 0 0 CONTRAST 1 0 0 0 0 0 TV/EXT AUTO DL TIME 0 0 0 0 1 0 VideoG 0 D3 DELAY ADJ 20H 06H 00H 20H 20H 02H 40H 20H 40H 20H 20H 20H 10H 10H 10H 38H 20H 00H 40H MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC (3) Sub address byte and data byte format: ∗SW write No. 1 2 3 4 5 6 7 IF DELAY ADJ POS/NEG VCO ADJ AUDIO SW∗ 4.5/6.0∗ DEFEAT∗ AUDIO ATT BIT SUB ADD 6 1 6 1 1 1 7 00H 00H 01H 01H 02H 04H 03H 36 VIDEO OUT GAIN∗ 1 02H 8 9 10 sharpness contrast cont DL time ADJ∗ +50nsec DL fine ADJ. +0nsec TV/EXT∗ TRAP on/off∗ DOUBLE TRAP∗ TRAP fine adj. 1∗ TRAP fine adj. 2∗ 6 7 2 04H 05H 06H 1 02H 1 1 1 1 1 06H 02H 02H 10H 02H 25 VIDEO Functions 11 14 37 38 40 36 VIDEO MUTE∗ 1 0BH INTERFACE 15 16 17 18 19 20 21 22 23 24 31 27 29 28 30 tint cont color cont SYSTEM auto∗ SYSTEM SET∗ bright cont drive (R) drive (B) cut off (R) cut off (G) cut off (B) PEAK ACL AFC-2 H phase V-SIZE V-POSITION SUB-POSITION∗ 7 7 1 3 7 6 6 8 8 8 4 4 6 5 2 07H 08H 06H 09H 0AH 0BH 0CH 0DH 0EH 0FH 13H 09H 11H 10H 12H DEFLECTION 33 Service SW∗ 1 13H 34 H STOP∗ 1 13H CHROMA 35 AFC GAIN∗ 1 13H 41 H fo ADJ∗ 1 10H D7 0 D6 – D5 A05 Data byte D4 D3 A04 A03 D2 A02 D1 A01 D0 A00 A15 A14 A12 A11 A10 POS/NEG 0 – A13 AUDIO SW 4.5/6.0 DEFEAT 0 A36 A35 A34 A33 A32 A31 A30 A45 A55 0 A44 A54 – A43 A53 – A42 A52 – A41 A51 A61 0 1 A40 A50 A60 VIDEO OUT GAIN 0 0 0 – A56 0 TV/EXT TRAP DTRAP FTRAP1 FTRAP2 0 0 VIDEO MUTE A76 A86 0 0 0 0 AD7 AE7 AF7 0 0 0 0 0 – AA6 0 0 AD6 AE6 AF6 A136 A96 0 – – A75 A85 auto – AA5 AB5 AC5 AD5 AE5 AF5 – A95 A115 – – A74 A84 A73 A83 A72 A82 A71 A81 A70 A80 – AA4 AB4 AC4 AD4 AE4 AF4 – A94 A114 A104 – – AA3 AB3 AC3 AD3 AE3 AF3 – A93 A113 A103 – Service SW 3.58 AA2 AB2 AC2 AD2 AE2 AF2 A132 – A112 A102 – NTSC AA1 AB1 AC1 AD1 AE1 AF1 A131 – A111 A101 A121 SECAM AA0 AB0 AC0 AD0 AE0 AF0 A130 – A120 A100 A120 H STOP AFC GAIN HADJ read Data byte D7 D6 D5 D4 D3 D2 D1 50/60 COINCIDENCE AFT1 AFT0 3.58 NTSC SECAM D0 CONDITION/ killer out 20 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DATA BYTE CONDITIONS AT SW Functions IF Data POS/NEG POS/NEG AUDIO SW AUDIO SW DEFEAT DEFEAT 4.5/6.0 4.5/6.0 VIDEO OUT GAIN VIDEO OUT GAIN DL time ADJ A71, A70 TV/EXT TV/EXT VIDEO MUTE MUTE TRAP on/off TRAP DOUBLE TRAP DTRAP TRAP fine adj. 1 FTRAP1 TRAP fine adj. 2 FTRAP2 SYSTEM auto auto 0 1 0 1 0 1 0 1 0 1 0 0 1 1 VIDEO INTERFACE CHROMA SYSTEM SET 3.58, NTSC, SECAM Service SW Service SW H STOP H STOP AFC GAIN AFC GAIN H fo ADJ H to ADJ DEFLECTION SUB-POSITION 21 SUB-POSITION 0 1 1 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 0 1 0 1 Condition NEG POS OFF ON OFF ON 6.0 4.5 Normal gain down 120nsec 280nsec 360nsec 440nsec TV EXT VIDEO OUT VIDEO MUTE TRAO OFF TRAP ON SINGLE TRAP DOUBLE TRAP f0 down f0 up f0 down f0 up manual auto 4.43 PAL 3.58 PAL 3.58 NTSC 4.43 NTSC SECAM Normal mode Service mode H OUT H STOP NORMAL HIGH Normal f0 down normal mode upside mode downside mode normal mode Initial condition NEG OFF OFF 6.0 Normal 360nsec TV VIDEO OUT TRAP OFF SINGLE TRAP f0 up f0 down manual 4.43 PAL normal mode H OUT NORMAL Normal normal mode MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DATA BYTE CONDITIONS AT D/A IF VIDEO CHROMA INTERFACE DEFLECTION Functions DELAY ADJ VCO ADJ AUDIO ATT sharpness contrast cont tint cont color cont bright cont drive (R) drive (B) cut off (R) cut off (G) cut off (B) peak ACL ADJ. AFC-2 H phase V-SIZE V-POSITION BIT 6 6 7 6 7 7 7 7 6 6 8 8 8 4 4 6 5 Data 0 to 63 0 to 63 0 to 127 0 to 63 0 to 127 0 to 127 0 to 127 0 to 127 0 to 63 0 to 63 0 to 255 0 to 255 0 to 255 0 to 15 0 to 15 0 to 63 0 to 31 Condition (change DATA 0-->MAX.) Intial condition 0 32 0 32 32 64 32 32 32 32 0 0 0 8 8 32 24 gain min.-->max soft-->sharp min.-->max -45deg-->+45deg gain min.-->max dark-->bright gain min.-->max gain min.-->max low-->high low-->high low-->high low-->high left-->right min.-->max low.-->high D7 D6 D5 D4 D3 D2 D1 D0 Function name Field frequency COINCIDENCE AFT1 AFT0 chroma fsc System1 (PAL/NTSC) System0 (SECAM/Not SECAM) SYSTEM auto: condition SYSTEM set: killer out 0 50Hz unlocked 1 60Hz locked see Fig. 1 4.43MHz PAL 3.58MHz NTSC not SECAM SECAM undistinguished killer on distinguished Pin1 AFT OUT DATA BYTE CONDITIONS AT READ MODE freq. -100kHz f0 +100kHz D5 : AFT1 1 D4 : AFT0 1 1 0 0 0 0 1 killer off Fig.1 22 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC I2C BUS CONTROL SECTION SDA, SCL CHARACTERISTICS Symbol Limits Min. Max. -0.5 1.5 3.0 5.5 0.0 100 4.7 − 4.0 − 4.7 − 4.0 − 4.7 − 0.0 − 250 − − 1000 − 300 4.0 − Parameter VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tr tf tSU:STO Min. input low voltage Max. input high voltage SCL clock frequency Time the bus must be free before a new transmission can start Hold time start condition. After this period the first clock pulse is generated The low period of the clock The high period of the clock Setup time for start condition (Only relevant for a repeated start condition) Hold time DATA Set-up time DATA Rise time of both SDA and SCL lines Fall time of both SDA and SCL lines Set-up time for stop condition TIMING DIAGRAM tBUF tr, tf VIH SDA VIL tHD:STA tSU:DAT tHD:DAT tSU:STA tSU:STO VIH SCL VIL tLOW S 23 tHIGH S P S Unit V V kHz µs µs µs µs µs µs ns ns ns µs MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC INPUT SIGNAL VIF/SIF SG No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Signals (50Ω termination) f0=38.9MHz 90dBµ fm=20kHz AM77.8% f0=38.9MHz 90dBµ fm=50kHz AM77.8% f0=38.9MHz 80dBµ CW f1=38.9MHz 90dBµ CW (Mixed signal) f2=37±5MHz 70dBµ CW (Mixed signal) f0=38.9MHz variable fm=20kHz AM77.8% f0=38.9MHz fm=20kHz AM16% level variable f0=38.9MHz 80dBµ CW f0=38.9MHz 110dBµ CW f0=38.9±5MHz 90dBµ CW f0=37.9MHz 90dBµ CW f0=39.9MHz 90dBµ CW f1=38.9MHz 90dBµ CW (Mixed signal) f2=34.47MHz 80dBµ CW (Mixed signal) f3=33.4MHz 80dBµ CW (Mixed signal) f0=38.9MHz standard 10-step modulation Sync ratio 28.6% AM=87.5%video modulation Sync chip level 90dBµ f0=38.9MHz 93dBµ CW f0=38.9MHz 73dBµ CW f0=4.5MHz 100dBµ fm=400Hz FM±25kHz dev f0=5.5MHz 100dBµ fm=400Hz FM±50kHz dev f0=6.0MHz 100dBµ fm=400Hz FM±50kHz dev f0=6.5MHz 100dBµ fm=400Hz FM±50kHz dev f0=6.0MHz 100dBµ fm=400Hz AM30% f0=6.0MHz 100dBµ CW f=1kHz 1VP-P CW INPUT SIGNAL PARAMETERS INCLUDING INPUT SIGNALS 1. Input signal name is four alphanumeric characters. EX.) S S 4 Standard Signal 4.43MHz PAL system P Fourth character Third character Second character First character First character: Standard=S, Nonstandard=V (Modified parts should be specified.) Second character: Meaning of signal Third character: Frequency of burst and chroma. 4 (4.433619MHz), 3 (3.579545MHz) (In case of "S", SECAM standard signal is applied.) Fourth character: Color system N (NTSC), P (PAL) 2. Structure of input color signal The following figure shows the structure of color signal. ec(n+1) ec(n) ec eb(n+1) eb(n) eb H.sync 500mVP-P 1) When S (standard) is used as the first character, the standard color bar signal of each system is applied. H.sync should be added for input clamp. (The frequencyof H.sync is fixed according to the fourth character. P:50Hz, N:60Hz) 2) Amplitude and frequency of burst are represented as ed. In case of standard signal, the amplitude is 285mV P-P and the frequency is shown by the third character. 3) Amplitude and frequency of chroma are represented as ec. In case of standard signal, the amplitude is 570mV P-P and the frequency is shown by the third character. 4) The following figure shows the phase of a PAL system signal. R-Y ec(n) eb(n) B-Y eb(n+1) ec(n+1) 24 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC VIDEO/INTERFACE SG No. Signal (50Ω termination) PAL system PAL system APL100% standard video signal should be input as sync separation input as shown in the figure. The vertical signal should be interlaced at 50Hz. 0.714VP-P 5us 1VP-P SGA 0.286VP-P 2us 7us The frequency and amplitude of signal Lumi can be changed by signal SGA. The typical amplitude is 0.714mVP-P. 5us SGB 2us 7us Sync 4µsec SGC Level : variable 0.7V SGD 0V 20µ SGE 24µ 20µ 0.5VP-P f=100kHz SG50 Level : variable typ=0.3VP-P H=15.625kHz, V=50Hz Standard PAL SYNC f=3.58MHz 0.714VP-P 5us 1VP-P SGF 0.286VP-P 63.5µsec SG60 25 NTSC System Level : variable typ=0.3VP-P H=15.734kHz, V=60Hz Standard NTSC SYNC MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DEFLECTION SG No. Signal (50Ω termination) The input signal should be PAL system APL-variable video signal. Vertical should be interlaced at 50Hz. 64µsec 0.714VP-P SGa 5µsec Pedestal 0.286VP-P 2µsec 7µsec The input signal should be NTSC APL-variable video signal. Vertical should be interlaced at 60Hz. 63.5µsec 0.714VP-P SGb 5µsec Pedestal 0.286VP-P 2µsec 7µsec Duty90% Frequency:variable Level:variable (Typ. :1V P-P) SGc 1VP-P Duty95% Frequency:variable Level:variable (Typ. :1V P-P) Duty: variable (95%) SGd 1VP-P 26 270k P1 S IN 0.01µ 270k 50 P3 0.1µ RF AGC OUT 3 2 1 AFT OUT 50 51 0.47µ 1k 52 2.2µH P52 VIDEO OUT P4 4 49 S4 0 0.22µ 1 5 6 47 V IN 50 9 A 8 VCC 3k 4 9 8 47µ 7 10 43 11 6 510 SCL 11 42 4 12 14 3 4700p 13 M74L221P 5 13 15 2 16 1 P13 VR 20k P12 VR 20k 39 220 14 M52778SP 40 1800p 1µ S.S IN P39 0.01µ 4.43M X_TAL SDA FBP IN H.OUT 12 41 P41 16 0.01µ 1 4.5 to 5.5V 68k P42 2200p 47µ 1.2k 10 A 9 Hi VCC 2.2µ 1 44 0.1µ 10 S44 2 14 15 0.01µ 3 P43 13 0.01µ -B IN 75 12 U3660M 5 0.1µ -R IN 75 45 0.01µ 10k 7 46 0 S45 6 11 0.01µ 10 10k P46 AUDIO OUT 1µ 620 1646 GND 48 DIRECT OUT P48 0.01µ 50 EXT AUDIO IN 7 0.01µ 27 5.1k 12k 15 38 37 1k 1k 6.8k 1µ 0.015µ 1µ 2.7k 17 36 0 P16 1 S16 16 75 19 34 0.01µ A 47µ 5.1k 0.1µ 3.6k P23 B 23 30 3.6k 3.6k P22 G P21 R 31 22 100p P30 0.01µ A 24 VCC 29 75 P26 cont. 26 27 1µ Hi VCC VCC (8V) (5V) EXT G IN EXT B IN EB IN 0.1µ 47µ 25 28 75 EG IN 680k P28 0.1µ 0.022µ R 0.047µ EXT IN S31 75 75 5.6M ER IN FB IN 21 32 3.58M X_TAL 5.1k 5.1k 20 Hi VCC 33 10µ 300 P19 6.8k 300 P18 18 35 0.015µ 10µ 75 TV (Y) IN EXT (C) IN (VI IN) 0.22µ 3.3k GND Sync OUT 330k 75 SYNC IN P38 B503 F18 8 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC TEST CIRCUIT Units Resistance : Ω Capacitance : F MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) POWER DISSIPATION Pd (mW) 2.0 1.69 1.5 1.0 0.5 0 25 50 65 75 100 125 150 AMBIENT TEMPERATURE Ta (°C) 28 29 38 26 1 7 6 3 2VP-P 5V 36 D.TRAP F.TRAP X2 TV/EXT CHROMA TRAP DELAY VIDEO TONE CLAMP VIDEO MUTE 1VP-P TV IN SHARPNESS CONTRAST AFT *ATTENTION 2 Need to add delay circuit when use SECAM SYSTEM by 1HDL used. 1HDL 5 SCP IN 39 IF AGC π 4 VIDEO DET – 34 39 6 16 3 7 30 Vcc *1 REF FILTER SW 51 12 8 1 SECAM M52325AP 13 35 ID 9 RGB MATRIX CONTRAST 4.43 15 *3 2 8 45 44 BGP GENE 3 16 4 14 SYNC SEP BRIGHT BRIGHT peak ACL SYSTEM auto AFC-1 12 10 1H DL m3660 11 1 5 9 BLK HV 15 MUTE DET VP VFB MUTE OUT 32FH VCO 13 AFC-2 H STOP HORIZONTAL COUNT DOWN VERTICAL COUNT DOWN CLAMP 50/60 OUT *2 BUS I/F ATT 7 3 DY H. OUTPUT 31 28 8V 9 4 Vo 8 1 10 17 18 19 9 42 27 22 23 21 29 25 G B R R IN B IN OUT PUT FAST BLK +B 5 2 8V DEFLECTION Vcc H Vcc G IN SECAM REF AUDIO POWER M52778SP 14 SDA 11 SCL 46 VERTICAL IC 6 H-PHASE V-POSITION V-SIZE RAMP SERVICE SW SECAM REF AF AMP AUDIO ATT EXT AUDIO IN WITH I2C BUS 52PIN SHRINK DIP AUDIO SW 47 CUT OFF R G B 4.5/6.0 FM DET 33 AFC GAIN (H.FREEADJ) V SYNC TRIG G EXT INPUT R EXT INPUT B EXT INPUT 48 Vcc EQ ELIMINATE DRIVE AMP DRIVE R B F.B.P 8 5 GND DIRECT OUT LIMITER VIF/SIF 12 SCP 16 Vcc 5V SYSTEM SET -(R-Y) -(B-Y) IN IN 41 -(B-Y) OUT -(R-Y) OUT 32 43 3.58 40 VCXO TINT PHASE CONT PAL SW CHROMA DEMODULATOR 37 10 ACL SYSTEM DECODE CONTRAST F/F 20 8V Hi Vcc COLOR SERVICE 52 5V VIDEO CHROMA 24 CHROMA APC DET ID DET Acc DET ID OUT 2.2VP-P SYSTEM KILLER DET LOCK DET *ATTENTION 3 The peripheral constant is different by Xtal (4.43MHz, 3.58MHz) used. 1VP-P EXT VIDEO IN HPF 1ST AMP (ACC) CHROMA BPF 2ND AMP ADJ DET APC DET + π 4 50 VCO 49 POS/NEG ADJ VCO SW1 DL TIME DL FINE TRAP SW AFT OUT VIDEOMUTE DEFEAT VIF AMP DELAY ADJ RF AGC *ATTENTION 1 Need to add delay circuit when use NTSC SYSTEM. Vcc VIF IN RF AGC OUT (REV) 4 VIDEO OUT 2VP-P PAL/NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC APPLICATION EXAMPLE MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN Pin No. Name DC voltage and wave information Peripheral circuit of pins Description of function HVCC=8V 500 1 AFT OUT 270k 500 DC 0.2 to 7.7V (Charge and discharge current is 0.25mA max.) 1k to tuner 1 500 〈AFT output pin〉 This pin is current output. µ of PLL loop is adjustable by external resistor. External resistor value is 270k//270kΩ typ. 270k 500 5V 20k 2 LIMITER IN FM signal input (AC coupled) 20.7p 5.6k 0.01µ 100 2 20k 5.6k 150 〈SIF detector input pin〉 Standard input level is 100dBµ typ. input impedance is 4.7kΩ typ. 150 10p 2K 8V 500 3 RE AGC OUT 500 DC 0.1 to 7.8V 〈RF AGC output pin〉 current output type. Charge and discharge current is 0.4mA max. 50 3 2k 2k 0.1µ 5V 4 IF AGC filter DC 1.9 to 4.6V 〈IF AGC filter pin〉 charge current POS : 1µA NEG : 10µA 1k 4 0.1µ 7.5k 5 GND − − discharge current POS : 4mA NEG : 400µA 〈ground pin of VIF block〉 30 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. DC voltage and wave information Name Peripheral circuit of pins Description of function 5V 6 6 7 1.2k bias VIF IN 60 1.4V 320 1.2k SAW 320 7 7.5k 8 VIF VCC (5V) 5.0V − 9 H VCC (8V) 8.0V − 〈power supply for VIF block〉 5.0V typ. 〈power supply for DEFLECTION and VIF/ SIF output stage〉 8.0V typ. 8V 8V 9µ 1.2k 10 DC 3.4V typ (charge current is 9µA and discharge current is 170µA typ.) RAMP AGC 10 33µ 5V 10k 〈VIF detector input pin〉 input impedance is 900Ω, 5pF typ. pay attention to matching with SAW filter. 500 〈vertical ramp AGC filter pin〉 this pin is sensitive to current leakage. Pay attention to PCB layout and external components. Pulling up this pin to Vcc (8V) with R=47kΩ, pin 18 output is "V pulse" type. 45.6k 11 〈SCL pin for I2C BUS〉 Vth=3V approx. 6k − SCL 1k 11 8V 6.0µ burst gate H blanking 12 SCP OUT V blanking 0V 31 4.4V 8V 12µs 1.3V 2.7V 12 55µA FBP 〈Sand castle pulse output pin〉 four-level pulse output 3.05V 5 to 6V MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage and wave information Peripheral circuit of pins Description of function 8V pin 12 200 〈Horizontal pre-drive output pin〉 this pin is open emitter type. (output resistor is 200Ω) maximum drive current is 4mA typ. ≈8µs 13 H OUT 200 4.0V 13 1k 1k 25µs 8V 45.6k 14 6k − SDA 〈SDA pin of I2C BUS〉 14 DC2.45V 15 H OSC 10k 675 〈horizontal oscillator pin〉 connect with ceramic resonator for 32fH VCO. recommended resonator is " MURATA CSB503F18. 375 300 15 0.3VP-P 1.3mA 8V bias 0.3VP-P 16 20k 3k AFC 1 FILTER 8V 12k 24k 16 DC5.3V 1µF 6.8k during sync. 〈AFC-1 filter pin of 32fH VCO〉 µ is 1.2kHz / V typ. charge and discharge current is; AFC gain H: 900µA AFC gain L : 500µA 0.015µF AFC gain H: 900µA AFC gain L: 500µA 32 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage and wave information Peripheral circuit of pins Description of function 8V 17 I REF DC 2.5V 2.5V 17 300 300 1.5k 3.0k 2.7k 〈Band gap reference output〉 this pin generates reference current for vertical ramp. external resistor needs tolerance within 1%, and is stable for temperature. resistor value is 2.7kΩ typ. 1.75k 300 pin18 300 550uA 18 19 460uA +RAMP OUT -RAMP OUT 370uA 18 bias current : 460uA current amplitude:180uAP-P pin19 upside down (when BUS DATA of V size is 41.) 20 H:VCC (8V) 6.8k vertical IC 〈vertical ramp current output pin〉 connects with vertical IC. external resistor needs tolerance within 1%, and is stable for temperature. resistor value is 6.8kΩ typ. 19 〈power supply for RGB interface output stage〉 8.0V typ. − 8.0V 8V 3VP-P 21 22 23 R OUT G OUT B OUT 50 150µ R 2VDC FBP 3.6k GND to CRT 〈RGB output pin〉 these pins are open emitter type. maximum output current is 4mA typ. 1H 24 VCD VCC (5V) 〈power supply for VCD block〉 5.0V typ. − 5.0V 8V bias 25 27 29 B IN G IN R IN 4.5k DC 2.5V 4.5k 33 〈external RGB input pin〉 input RGB signals with clamp capacitor. capacitor value is 0.1µF typ. charge and dischrge current is 150µA typ. MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage and wave information Peripheral circuit of pins 5V 5V 10k R1 68k 30k 26 CONTRAST CONT Description of function R3 − 26 C 3.3u R2 150k 100k 500 30k 28 AFC2 FILTER DC 4.5V 30 KILLER FILTER DC 28 30 ave. ACL 〈filter pin for PEAK ACL detection〉 value of R1, R2, R3 set average ACL. the ratio of R1:R2=3:7 time constant is given by (R1⋅R2)/(R1+R2) and C. 〈AFC2 filter pin〉 connect with hold capacitor, and can control the horizontal sync. signal phase. hold capacitor value can change the response speed of horizontal phase shift. 3.7V 35k 31 FAST BLK 32 X-TAL 3.58 100 31 0 DC 3.2V 2.3k 70mVP-P 33 AUDIO BYPASS DC 4.5MHz:2.3V 5.5MHz:2.3V 6.0MHz:2.6V 6.5MHz:3.0V 32 100 20.3k 26.7k 33 34 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage and wave information Peripheral circuit of pins Description of function 100 34 35 EXT IN CHROMA APC FILTER DC 1.95V composite video1VP-P typ. 100 34 4k DC 3V typ. 35 BGP 555µA 555µA 100 36 TV IN 37 VCD GND 38 Y SW OUT DC 1.95V composite video 1VP-P typ. 100 36 − sync tip:1.3V composite video:2VP-P 47k 21k 38 47k 7.3V 39 SYNC SEP IN 1k 1k 39 5.5V 35 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage and wave information Peripheral circuit of pins Description of function DC 3.3V 40 2.3k X-TAL 4.43 70mVP-P 40 100 2.35V 41 43 - (B-Y) OUT - (R-Y) OUT 2.35V 55k PAL/NTSC:1.4V SECAM:4V 42 20k SECAM REF about 400mVP-P 42 DC3.0V ≈1.3VP-P 44 45 10.5P 4.5k - (B-Y) IN - (R-Y) IN 3.0V ≈1.0VP-P 4.5k DC:2.8V MAX 4.1VP-P 30k 46 100 AUDIO OUT 30k 46 20k 36 MITSUBISHI ICs (TV) M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC DESCRIPTION OF PIN (cont.) Pin No. DC voltage and wave information Name Peripheral circuit of pins Description of function 67.4k 47 EXT AUDIO IN − 47 20k 50k 9k 48 DC:2.4V NTSC:740Vrms PAL:690Vrms FM DIRECT OUT 10k 667 20k 48.4k 48 44.4k 667 49 50 833 DC:4.2V 38.9MHz 0.285VP-P or 100dBµ 833 VCO 400 5V 15.5k 51 VIDEO APC FILTER DC:3.0V at VCO free-run 14k 200 51 36k 400µ NEG 4.5V 8V 12k 52 2.3V VIDEO OUT POS 4.4V 52 2.6V 37