ICs for VCR AN2492FH Luminance and chrominance signal processing circuit for 8 mm video (NTSC) Unit: mm ■ Overview 12.00±0.20 10.00±0.20 The AN2492FH is a single chip LSI on which Y/C main signal processing circuit of NTSC normal 8 mm VCR is integrated. It is possible to reduce the system cost drastically thanks to the introduction of an external filter on to the chip and fc auto adjustment. 48 33 32 (1.25) 10.00±0.20 12.00±0.20 49 64 ■ Applications 1 16 0.50 +0.10 0.18−0.05 +0.10 (1.25) 0.15−0.05 1.95±0.20 • 5 V single power supply • Reduction of the external components and adjusting parts by adopting automatic adjustment filter • No need of glass delay lines • For NTSC (PAL: AN2493 pin-compatible) 0.10±0.10 ■ Features 17 Seating plane (1.00) 0° to 10° 0.50±0.20 QFP064-P-1010 • 8 mm VCR, 8 mm video camera 1 51 2 61 60 59 VXO fSC out REC APC det. 4 2 REC APC 3 VREF det. VREF 1 64 Clip DOC Sub LPF 1/4 1/8 f det. 90 PS DCL Amp. D LIM RF AGC PBA PC CK PC DP PC Amp. DEMOD MA in LIM CK F PC DL PBY VCO 4DIV Sub BM REC AFC 1/46 43 VXO in VXO out Clip in DCL in 62 63 MDC MDE D LIM in RF out FM in 50 SS out RF det. 49 SS 48 55 56 57 58 45 46 VF mute CTL 47 VF out Main LPF VNF P R 41 ATT N 1/4 1/8 Line SW 2 SW 5 ML out Y GND 42 SS det. 54 Line in 1/8 SLD PB CONP Line PB DOC SW 6 R MIX (d) CORR Sync. CONP Det. 39 53 Clamp det. 40 P SW 16 SW 18 C CL det. R P P SW 17 R GCA1 SW 8 Sub 2 ACC det. ACC P R SW 14 Clamp SW 15 R P Chroma DE/EM BPF CNR Det. V mute CTL Mute Burst DE/EM BM R SW 11 P ATT LIM A Clamp Trap 34 REC PB VOL V mute CTL 37 38 GCA2 CONP C 35 L IMC 36 To CCD SW 3 Y VCC 33 AGC det. Video out 31 32 C CL in CK HPF GCA4 CACC LPF Trap LPF HPF1 N.C. Amp. 29 P YCL det. OSD G2 det. 30 Clamp YDL in PS CTL1 SW 4 NOR ADD out OSD OSD G1 det. Clamp SW 1 CDL in 28 Test 9 SW 0 R CCL det. AGC SW 21 LNC out R ME NF CEC det. C sub 17 PB C in LPF 19 CE CTL 18 21 FM out (DOC) 20 GCA3 CTL DEV CTL ME out (COR det. out) 23 f CTL 0 22 24 25 W CTL 26 GCA3 MOD SW 13 R W/D Smear SW 12 P P HSS LIM HPF Clamp 27 SW 19 NL in 52 CONP Y AGC det. AN2492FH ICs for VCR ■ Block Diagram 16 15 7 6 GCA4 CTL REC C out 14 CLCA det. 13 PB C out 12 C MIX in 11 C GND 10 Data 9 CK 8 CV CC 44 PG in PB APC det. 5 f det. ICs for VCR AN2492FH ■ Pin Descriptions Pin No. Description Pin No. Description 1 VXO in 33 GCA1 CTL 2 REC APC det. 34 CONP C 3 VREF det. 35 LIMC 4 fSC out 36 To CCD 5 f det. 37 G2 det. 6 PB APC det. 38 YDL in 7 PG in. 39 YCL det. 8 C VCC 40 CL in 9 CK 41 ML out 10 Data 42 Y GND 11 C GND 43 Video out 12 C MIX in 44 Y VCC 13 PB C out 45 VNF 14 CLCA det. 46 VF mute CTL 15 REC C out 47 VF out (BGP out) 16 GCA4 CTL 48 V mute CTL 17 PB C in 49 Clamp det. 18 CEC det. 50 Line in 19 Chroma emph. CTL 51 AGC det. 20 GCA3 CTL (APT CTL) 52 CONP Y 21 FM out (DOC) 53 REC PB VOL 22 DEV CTL 54 SS det. 23 f0 CTL 55 SS out 24 ME out (COR det. out) 56 RF det. 25 W CTL 57 FM in 26 MENF 58 RF out 27 NL in 59 DLIM in 28 LNC out 60 MD E 29 CCL det. 61 MD C 30 CDL in 62 DCL in 31 G1 det. 63 Clip in 32 ADD out 64 VXO out 3 AN2492FH ICs for VCR ■ Absolute Maximum Ratings Parameter Symbol Rating Unit VCC 5.5 V ICC 100 mA PD 359 mW Topr −10 to +70 °C Tstg −55 to +125 °C Supply voltage Supply current Power dissipation *2 Operating ambient temperature Storage temperature *1, *3 *1 Note) *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is for the IC package at Ta = 70°C. PD = 696 (mW) (Ta = 70°C) in mounting on the glass epoxy printed circuit board of 50 × 50 × 0.8 (mm). *3: PD = 471 (mW) at supply voltage VCC = 4.8 V. ■ Recommended Operating Range Parameter Supply voltage Symbol Range VCC Unit 4.7 to 5.2 V ■ Electrical Characteristics at VCC = 4.8 V, Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Consumption current 1 ICC1 Consumption current for recording 52 72 92 mA Consumption current 2 ICC2 Consumption current for playback 58 78 98 mA Consumption current 3 ICC3 Power save mode 42 62 82 mA Consumption current 4 ICC4 Camera power save mode −8 −4.2 −1 mA Internal reference voltage source VREF Pin 3 voltage 2.5 V REC overall VME Adjust pin 53 to set pin 47 output at 1 V[p-p] −14 −12 −10 dB ∆VAGC Pin 47 output gain ratio with input 0.5 V[p-p] and 2.0 V[p-p] −1.5 0 1.5 dB Y-AGC control characteristics 4 Y-AGC through mode V26S Pin 24 output at pin 50 input 200 250 300 mV[p-p] View finder amp. frequency characteristics fBA Output ratio of 5 MHz/100 kHz at input 100 kHz, 5 MHz −1.5 0 1.5 dB Video-OSD white mute level VOW DC voltage based on a pedestal level 56 68 80 IRE Video-OSD black mute level VOB DC voltage based on a pedestal level −7 0 12 IRE Video-OSD white mute CTL voltage V48W Pin 48 input at inserting a record character 3.6 4.8 V Video-OSD black mute CTL voltage V48B Pin 48 input at inserting a record character 2.0 2.6 V Video-OSD through CTL voltage V48S Pin 48 input at inserting a record character 0 1.0 V ICs for VCR AN2492FH ■ Electrical Characteristics at VCC = 4.8 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Video-OSD quasi V level VOV DC voltage difference based on sync. −100 tip in PB mode −50 0 mV Video-OSD quasi V mute CTL voltage V48V PB mode, pin 48 input 2.0 4.8 V Video-OSD through CTL voltage V48G PB mode, pin 48 input 0 1.0 V Y-main-LPF frequency characteristics 1 DfML1 Input: 100 kHz, 2.5 MHz Output: 2.5 MHz/100 kHz −5 −2 2 dB Y-main-LPF frequency characteristics 2 DfML2 Input: 100 kHz, 3.58 MHz Output: 3.58 MHz/100 kHz −25 dB VVO VF out 1 V[p-p] adjustment 1.75 2.0 2.25 V[p-p] Input: 100 kHz, 5 MHz Output: 5 MHz/100 kHz −1.5 0 1.5 dB Video amp. output amplitude Video amp. frequency characteristics fVI View finder OSD white mute level VBOW DC voltage based on a pedestal level 56 68 80 IRE View finder OSD black mute level VBOB DC voltage based on a pedestal level −7 0 12 IRE View finder OSD white mute CTL voltage V46W Pin 48 = 0 V at inserting the display characters 3.6 4.8 V View finder OSD black mute CTL voltage V46B Pin 48 = 0 V at inserting the display characters 2.0 2.6 V View finder OSD through CTL voltage V46S Pin 48 = 0 V at inserting the display characters 0 1.0 V View finder OSD quasi V level VBOV DC voltage based on sync. tip in PB mode −60 −20 20 mV View finder OSD quasi V mute CLT voltage VB48V PB mode, pin 48 input 2.0 4.8 V View finder OSD through CTL voltage VB48S PB mode, pin 48 input 0 1.0 V PB OSD white mute level VPOW DC voltage based on a pedestal level 56 68 80 IRE PB OSD black mute level VPOB DC voltage based on a pedestal level −7 0 12 IRE PB OSD white mute CTL voltage V46W Pin 48 = 0 V at inserting the display characters 3.6 4.8 V PB OSD black mute CTL voltage V46B Pin 48 = 0 V at inserting the display characters 2.0 2.6 V PB OSD through CTL voltage V46S Pin 48 = 0 V at inserting the display characters 0 1.0 V PB OSD off VVOO Pin 48 = 0 V at inserting the display characters 1.75 2.0 2.25 V[p-p] Sync. separation min. input sensitivity VSS Input sync. level 65 mV[p-p] Sync. separation pulse delay amount tSS Measurement of sync. delay at pin 40 and pin 55 560 760 960 ns 5 AN2492FH ICs for VCR ■ Electrical Characteristics at VCC = 4.8 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Sync. separation output amplitude 1 VSSH Pin 55 output amplitude 4.0 V Sync. separation output amplitude 2 VSSL Pin 55 output amplitude 0.4 V Non linear emphasis 1 fRNL1 Input: 0 dB, output: 1 MHz/10 kHz 1.0 3.0 5.0 dB Non linear emphasis 2 fRNL2 Input: −10 dB, output: 1 MHz/10 kHz 3.7 6.2 8.7 dB Non linear emphasis 3 fRNL3 Input: −20 dB, output: 1 MHz/10 kHz 6.3 9.3 12.3 dB Non linear de-emphasis 1 fPNL1 Input: 0 dB, output: 1 MHz/10 kHz −5.0 −3.0 −1.0 dB Non linear de-emphasis 2 fPNL2 Input: −10 dB, output: 1 MHz/10 kHz −10 −7.5 −5.0 dB Non linear de-emphasis 3 fPNL3 Input: −20 dB, output: 1 MHz/10 kHz −11.5 −8.5 −5.5 dB Dark clip level VCD Fixed 90 100 110 % White clip level VCW Adjust at pin 25 220 % FM carrier interleave VCI Apply voltage to pin 7 1.64 mV[p-p] Adjust at pin 23 4.2 MHz FM modulator oscillation frequency FM modulator deviation CTL fDEV Apply voltage to pin 27, adjust at pin 22 2.4 MHz/V FM modulator secondary distortion 2fFM Pin 21 output −30 dB Y-FM-GCA output amplitude 1 VFMS Pin 20 = 0 V 100 mV[p-p] Y-FM-GCA output amplitude 2 VFML Pin 20 = 4.8 V 370 PB-Y-RFAGC output amplitude V58 Input 50 mV[p-p], 200 mV[p-p], f = 5 MHz 345 420 495 mV[p-p] PB-Y-RFAGC output secondary distortion 2f58 Input 100 mV[p-p], f = 5 MHz −30 dB Pin 47 output, adjust pin 53 1.0 V[p-p] Input 3 MHz, 5 MHz, 7 MHz Pin 63 = 4.8 V, adjust pin 53 90 97 110 % Input pin 57, f = 5 MHz −17 −12 −7 dB Dropout detection off hysteresis ∆VDOC Input pin 57, f = 5 MHz 1 4 10 dB Dropout detection ENV off Input pin 57, f = 5 MHz 5 8 11 H PB-over-all 1 (NOR) FM demodulation linearity 1 Dropout detection on level 6 f0 VNOR ∆VNOR VDOC VDOCH mV[p-p] Dropout detection output high-level VP21H Input pin 57, pin 21 output 2.8 V Dropout detection output low-level VP21L Input pin 57, pin 21 output 0.4 V Noise canceller frequency characteristics 1 fNC11 Input 0 dB, NC1 mode output 1 MHz/50 kHz −3 − 0.3 0.5 dB Noise canceller frequency characteristics 2 fNC12 Input −10 dB, NC1 mode output 1 MHz/50 kHz −3.5 − 0.8 0.5 dB Noise canceller frequency characteristics 3 fNC13 Input −20 dB, NC1 mode output 1 MHz/50 kHz −6 −2.3 0 dB Noise canceller frequency characteristics 4 fNC14 Input −30 dB, NC1 mode output 1 MHz/50 kHz −10 −6.5 −3.0 dB NC off mode fNCOFF Input −30 dB, NC1 mode output 1 MHz/50 kHz, NC off −10 −6.5 −3.0 dB 45 70 95 mV −2.2 − 0.2 1.8 dB Clip comp. limiter level VCL Input pin 63, pin 41 output Line noise canceller frequency characteristics 1 fLNC1 Input 0 dB ICs for VCR AN2492FH ■ Electrical Characteristics at VCC = 4.8 V, Ta = 25°C (continued) Parameter Symbol Line noise canceller frequency characteristics 2 fLNC2 Line noise canceller (off) Conditions Min Typ Max Unit Input: −30 dB −15.0 −8.5 −3.0 dB fLNC3 Input: −30 dB −1.5 0 1.5 dB C-BPF frequency characteristics 1 fBP1 Input: 100 mV[p-p], output: 3.28 MHz/3.58 MHz −2.5 − 0.5 −1.5 dB C-BPF frequency characteristics 2 fBP2 Input: 100 mV[p-p], output: 3.88 MHz/3.58 MHz −2.5 − 0.5 −1.5 dB C-BPF frequency characteristics 3 fBP3 Input: 100 mV[p-p], output: 2.09 MHz/3.58 MHz −20 dB C-BPF frequency characteristics 4 fBP4 Input: 100 mV[p-p], output: 5.07 MHz/3.58 MHz −20 dB REC APC pull-in range 1 +∆fSC Input: fSC +300 Hz Pin 4 output (specified Xtal) 275 Hz REC APC pull-in range 2 −∆fSC Input: fSC −300 Hz Pin 4 output (specified Xtal) −275 Hz Xtal output amplitude VFSC Pin 4 output, at lock (specified Xtal) 320 520 720 mV[p-p] Xtal oscillation frequency fSC Pin 4 frequency deviation at PB −50 50 ACC output amplitude VAC Pin 34 input, pin 15 output (test 3) 350 450 600 mV[p-p] ACC control characteristics ∆VAC Level ratio of −14 dB to 6 dB input −2.0 0 2.0 dB ACC maximum gain VACM Input/output level ratio 14 20 dB C ACC output characteristics VCAC Output burst ratio at input chroma signal 0 dB and −14 dB 1.0 3 5.0 dB Burst emphasis amount VBU Pin 34 input, pin 15 output 4.0 6.0 8.0 dB Burst de-emphasis amount VBD Pin 17 input, pin 13 output −8.5 −6.0 −3.5 dB Chroma de-emphasis characteristics 1 VCE1 Input: 0 dB, output: fsc +500/fsc −3.3 1.3 dB Chroma de-emphasis characteristics 2 VCE2 Input: 0 dB, output: fsc −500/fsc −3.3 1.3 dB Chroma de-emphasis characteristics 3 VCE3 Input: −10 dB, output: fsc −500/fsc −5.8 −1.0 dB Chroma de-emphasis characteristics 4 VCE4 Input: −10 dB, output: fsc +500/fsc −5.8 −1.0 dB REC chroma out level 1 VRCO1 Pin 16 = 0 V, pin15 output 100 mV[p-p] REC chroma out level 2 VRCO2 Pin 16 = 4.8 V, pin 15 output 230 mV[p-p] Color killer on level CKON Pin 34 input signal, 100 mV[p-p] → 2 mV[p-p], pin15 output DC 0.4 V Color killer off level CKOFF Pin 34 input signal, 0 mV[p-p] → 40 mV[p-p], pin15 output DC 1.5 1.9 2.3 V PB APC pull-in range 1 ∆fXO1 Pin 40, pin 17 input, pin 13 output −100 100 Hz PB APC pull-in range 2 ∆fXO2 Pin 40, pin 17 input, pin 13 output −100 100 Hz CNR characteristics 1 CNR3 Pin 40 white 50%, pin 52: B+C signal input −13 −9 −5.5 dB CNR characteristics 2 CNR4 Pin 40 white 50%, pin 52: B+C signal input −13 −9 −5.5 dB PB burst level VPBC Pin 13 output burst level 110 200 280 mV[p-p] Clip comp. gain VCG Input pin 63, pin 41 output −8.5 −6 −3.5 Hz dB 7 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits Pin No. Symbol 1 VXO in Equivalent circuit Description 500 mV[p-p] f = 3.5795 MHz 1 Voltage (V) DC 2.76 3 kΩ 2.38 kΩ 1.62 kΩ 2 REC APC det. Det. pin DC 2 ± 0.75 Bias pin DC 2.48 AC 540 mV[p-p] f = 3.5795 MHz DC 2.7 5 kΩ 2 3 VREF det. 3 kΩ 3 4 fSC out 4 8 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. 5 Symbol Equivalent circuit Description f det. Voltage (V) Det. pin Det. pin DC 1.974 ± 0.75 3 kΩ 5 6 PB APC det. 3 kΩ 3 kΩ 40 kΩ 6 7 PG in * FM out comes to high frequency with high carrier interleave 0 ↔ 4.8 (reference: DC 2.5 V) 4.8 V 30 kΩ 7 0V 8 C VCC 9 CK 0 ↔ 4.8 (reference: DC 2.5 V) 4.8 V 10 kΩ 9 0V 9 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. 10 Symbol Equivalent circuit Description Voltage (V) 0 ↔ 4.8 (reference: DC 2.5 V) Data 4.8 V 10 kΩ 0V 10 11 C GND 12 C MIX in B: 200 mV[p-p] (NTSC) DC 2.475 12 7.8 kΩ 20 kΩ 3 kΩ f = 3.5795 MHz (Input at a low impedance.) 13 PB C out DC 2.145 13 B: 200 mV[p-p] f = 3.5795 MHz 14 CLCA det. Det. pin 14 200 Ω 3 kΩ 3 kΩ 3 kΩ 10 DC 3.62 ± 0.75 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 15 REC C out Equivalent circuit Description Voltage (V) REC mode DC 2 f = 743 kHz 15 16 CTL 4 REC out level adjustment 0 to 4.8 16 30 kΩ 17 PB C in DC 2.75 B: 100 mV[p-p] f = 743 kHz 17 30 kΩ 3 kΩ Being inputted into PB-C-in with Y+C signal, Y signal is 400 mV[p-p] 18 CE C Det. pin DC 2.9 5 kΩ 3 kΩ 18 11 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 19 CE CTL Equivalent circuit Description Chroma emphasis, de-emphasis adjustment pin 10 kΩ 19 10 kΩ 20 Voltage (V) 0 to 4.8 Adjustment off at 1 V or less CTL 3 REC mode (GCA3 control) 0 to 4.8 (1.5 to 3.0) 20 100 kΩ 25 kΩ 10 kΩ 100 kΩ 21 FM out REC mode DC 3.35 3 kΩ 21 100 mV to 400 mV PB mode: 2.5 V or more at DOC on 0.4 V or less at DOC off 22 DEV CTL Adjust to 5.4 MHz with DC at 100% white. 1.3 to 3.7 typ. 2.5 Adjust FM out to 4.2 MHz at sync. tip. 1.3 to 3.7 typ. 2.5 3 kΩ 22 23 f0 CTL 3 kΩ 23 12 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. 24 Symbol Equivalent circuit Description ME out Voltage (V) DC 2.195 30 kΩ 30 kΩ 10 kΩ 30 kΩ 30 kΩ 250 mV[p-p] 24 25 W CTL Adjust a white clip level to 220%. 25 1.5 to 3.7 typ. 2.0 48 kΩ 26 MENF 3 kΩ 26 27 250 mV[p-p] NL in DC 2.19 (sync. tip) (With externally attached feedback resistor R) DC 2.93 (sync. tip) 3 kΩ 27 500 mV[p-p] 13 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 28 LNC out Equivalent circuit Voltage (V) DC 3.14 (sync. tip) 28 29 Description CCL det. 500 mV[p-p] Det. pin DC 2.66 ± 0.75 3 kΩ 3 kΩ 29 30 CDL in DC 2.755 30 510 kΩ 50 kΩ 3 kΩ 50 kΩ 3 kΩ 150 mV[p-p] B: 143 mV[p-p] f = 3.5795 MHz 31 G1 det. Det. pin 31 3 kΩ 3 kΩ 14 DC 3.515 ± 0.75 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 32 ADD out Equivalent circuit Description Voltage (V) Adjust pin 33 voltage (CTL1) so as not to mix a chroma signal. DC 2.0 Adjust so that a comb shape chroma level adjustment pin 32 (ADD out) becomes Y signal only. DC 2.994 32 33 CTL 1 80 kΩ 3 kΩ 33 120 kΩ 34 CONP C DC 1.96 34 10 kΩ 10 kΩ 10 kΩ B: 286 mV[p-p] f = 3.5795 MHz 35 LIMC Det. pin DC 2.7 30 kΩ 3 kΩ 30 kΩ 3 kΩ 35 15 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 36 To CCD Equivalent circuit Description Voltage (V) DC 2.031 (sync. tip) 20 kΩ 20 kΩ 3 kΩ 60 kΩ 150 mV[p-p] 16.7 kΩ 40 kΩ 20 kΩ B: 143 mV[p-p] f = 3.5795 MHz 36 37 G2 det. Det. pin DC 3.515 ± 0.75 37 3 kΩ3 kΩ 38 YDL in DC 2.622 38 50 kΩ 3 kΩ 50 kΩ 3 kΩ 150 mV[p-p] B: 143 mV[p-p] f = 3.5795 MHz 39 YCL det. Det. pin 39 3 kΩ 3 kΩ 16 DC 2.66 ± 0.75 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. 40 Symbol Equivalent circuit Description CL in Voltage (V) DC 3.4 (sync. tip) 40 3 kΩ 143 mV[p-p] 500 mV[p-p] with 100% white input 41 ML out DC 1.897 30 kΩ 20 kΩ 143 mV[p-p] 41 500 mV[p-p] with 100% white input 42 Y GND 43 Video out 2 V[p-p] with 100% white input 3 kΩ 60 kΩ DC 1.236 (sync. tip) 0.6V[p-p] 43 20 kΩ B: 0.57 V[p-p] f = 3.5795 MHz 45 44 Y VCC 45 VNF DC 1.237 (sync. tip) 3 kΩ 60 kΩ 43 20 kΩ 45 150 mV[p-p] B: 143 mV[p-p] f = 3.5795 MHz Video amp. off when pin 45 is 0.3 V or less 17 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Symbol 46 VF mute Equivalent circuit Description VF amp.-OSD-CTL voltage Voltage (V) 0 V to 4.8 V 10 kΩ 46 47 VF out DC 1.968 (sync. tip) 300 mV[p-p] 47 B: 286 mV[p-p] f = 3.5795 MHz (1 V[p-p] with 100% white input) 48 V mute Video amp.-OSD-CTL voltage 0 to 5 48 10 kΩ 10 kΩ 49 Clamp det. Det. pin 3 kΩ 49 18 3 kΩ DC 3.506 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. 50 Symbol Equivalent circuit Description Line in Voltage (V) DC 3.2 3.5 kΩ 41.5 kΩ 50 60 kΩ 286 mV[p-p] B: 286 mV[p-p] f = 3.5795 MHz (AGC through mode is 6 dB down.) 51 AGC det. Det. pin 375 Ω DC 1.63 3 kΩ 100 kΩ 51 52 CONP Y DC 3.2 52 60 kΩ 3.5 kΩ 41.5 kΩ 286 mV[p-p] (AGC through mode is 6 dB down.) 53 REC PB VOL 53 200 Ω 3 kΩ 3 kΩ 3 kΩ REC mode: Adjust to 2 V[p-p] at video out. 0.7 V to 4.8 V PB mode: Adjust to 2 V[p-p] at video out. 0.7 V to 4.8 V Filter off mode: 0 V to 0.3 V Normally 0 ↔ 4.8 Filter off 0 ↔ 0.3 19 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. 54 Symbol Equivalent circuit SS det. Det. pin 3 kΩ 55 Description 500 Ω 54 100 Ω 55 40 kΩ 100 Ω SS out DC 2.781 4 V ↔ 0.4 V 200 kΩ 500 kΩ Voltage (V) 4V or more 0.4 V or less 56 RF det. Det. pin 3 kΩ DC 3 56 300 Ω 3 kΩ 57 FM in 200 mV[p-p] 3 kΩ 57 23 kΩ 20 20 kΩ DC 3.26 ICs for VCR AN2492FH ■ Terminal Equivalent Circuits (continued) Pin No. 58 Symbol Equivalent circuit RF out Description Voltage (V) 400 mV[p-p] DC 2.40 400 mV[p-p] DC 2.49 58 59 DLIM in 3 kΩ 59 30 kΩ 60 MDE DC (emitter) 1.6 61 60 61 MDC DC 3.4 61 60 21 AN2492FH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. 62 Symbol Equivalent circuit Description DCL in Voltage (V) DC 3.421 62 20 kΩ 63 3 kΩ Clip in DC 3.4 1 kΩ 19 kΩ 63 900 Ω 20 kΩ 64 150 mV[p-p] VXO out 350 mV[p-p] 64 f = 3.5795 MHz 22 DC 3.33 470 Ω VCC (Y) = 4.8 V 0.22 µF V53 C1 720 pF 1 µF 1 µF 43 6 44 5 45 46 4 3 47 2 48 1 0 pF 1 µF 100 µF 8 7 1 µF 9 41 42 10 kΩ 10 kΩ 10 µF 100 µF V16 10 40 0.01 µF 39 3 kΩ 12 11 10 kΩ 13 37 38 0.01 µF 36 22 kΩ 14 0.1 µF 17 18 19 21 20 22 23 24 26 25 27 28 10 kΩ 0.01 µF 0.01 µF V20 1.2 kΩ 470 Ω 0.22 µF 75 Ω V21 3.3 µF 10 µF 30 29 10 µF 31 EQ 75 Ω CONP C in ADD out 0.01 µF 32 V33 35 0.01 µF 0.47 µF 1 µF 64 63 62 60 61 59 58 57 56 10 µF 1 µF 16 15 0.01 µF 82 pF 47 pF 3.3 µF 0.01 µF 0.01 µF 22 µH 75 Ω 54 53 SS out 55 3.3 µF 3.3 µF 0.01 µF 33 34 C2 Xtal (*1) 1.2 kΩ 470 Ω 1.2 kΩ 75 Ω 6 800 pF 0.47 µF 27 pF 1.2 kΩ PB FM in (JOG*DOC) High 52 51 Video out 50 1 µF 1 MΩ 1 75 Ω 10 µF 3.3 µF 4.7 µF 100 µF 100 µF 0.01 µF Open 49 75 Ω 0.01 µF 8 CONP in Line in 0.22 µF V48 VF out 1 kΩ 16 V46 NTSCCD-DL 0.1 µF 82 kΩ 100 µF VCC (Y) = 4.8 V 9 330 Ω VCC (Y) = 4.8 V 1 kΩ VCC (Y) = 4.8 V 0.01 100 0.01 3.3 µF µF µF µF DL EQ Data CK PG in PB C in V19 REC: FM out (PB: DOC out) V23 V25 720 pF 150 pF VR 10 µF ICs for VCR AN2492FH ■ Application Circuit Example REC out C VCC 4.8 V Note) *1: Optimize the C1 and C2 to meet Xtal characteristics. 1. Adjust variable resistor (VR), V33 voltage and variable resistor in that order so as to get a minimum level of chroma signal at ADD out (pin 32) output. (REC mode, line mode, chroma 100% input) 2. The application circuit diagram in this data is just a typical circuit example as a reference data for use, and whatever the loss caused or the infringement of the third party's industrial property right by the use of this circuit is not our responsibility. 23