MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS DESCRIPTION The M52723ASP is semiconductor integrated circuit for Multi-Sync PIN CONFIGURATION (TOP VIEW) display monitors. V-GND 1 20 V-VCC V-SAW INPUT 2 19 VHS INPUT It generates horizontal and vertical parabola waves, and it can revise focus of CRT monitors. • • It can control phase of horizontal wave. It contains the horizontal saw wave generator and Auto Gain Control circuit, so that it is able to keep the amplitude constant if frequency change. • It change the parabola wave inretrace period to constant voltage in order to reduce load at the amplitude after IC. VREF INPUT 3 18 H-GND V-PARA OUTPUT 4 17 H-PULSE INPUT VGV INPUT 5 VGH INPUT 6 M52723ASP FEATURES 16 H-DELAY CAPACITOR 15 VPH INPUT H-PARA OUTPUT 7 H-SAW RETRACE 8 13 VREF RESISTOR H-SAW TRACE 9 12 AGC TRACE CAPACITOR 14 VREF OUTPUT H-VCC 10 APPLICATION 11 AGC RETRACE CAPACITOR CRT display monitor Outline 20P4B RECOMMENDED OPERATING CONDITION Supply voltage range....................................................11.5 to 12.5V Rated supply voltage...................................................................12V BLOCK DIAGRAM V-VCC VHS INPUT 20 19 H-GND H PULSE INPUT H-DELAY CAPACITOR VPH INPUT VREF OUTPUT 18 17 16 15 14 H-Pulse Delay Para.Amp AGC AGC TRACE RETRACE VREF RESISTOR CAPACITOR CAPACITOR 13 11 12 Vref AGC DET X2 Buffer SW X2 Para.Amp & Limiter H-SAW Generator Buffer 1 1 2 3 4 5 6 7 8 9 10 V-GND V-SAW INPUT VREF INPUT V-PARA OUTPUT VGV INPUT VGH INPUT H-PARA OUTPUT H-SAW RETRACE H-SAW TRACE H-VCC MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS ABSOLUTE MAXIMUM RATINGS (Ta=25°C) Symbol VCC Pd Topr Tstg Vopr Vopr’ Vsurge Parameter Supply voltage Power dissipation Operating temperature Storage temperature Recommended operating voltage Recommended operating voltage range Surge Min. Ratings Typ. Max. − − -20 -40 − 11.5 ±200 − − − − 12.0 − − 13.0 1237.6 +85 +150 − 12.5 − Unit V mW °C °C V V V ELECTRICAL CHARACTERISTICS (Ta=25°C, VCC=12V, unless otherwise noted) Symbol Parameter Test conditions Pin No. Limits Typ. 21.5 7.4 6.95 49 10 20 14 14 (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 0.0 − 2.0 H-pulse high input range (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 3.0 − IIL IIH H-pulse low input current H-pulse high input current (17) 0V in, measure (17) 5V in, measure 17 17 -5.0 -1.0 -0.6 0.0 VCC -2.0 -0.1 1.0 µA µA TW H parabola width (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 0.50 0.70 0.90 µsec TD1 H parabola delay 1 (6) 4.0V in (7) Measure (15) 0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 -0.09 0.09 0.35 µsec TD2 H parabola delay 2 (6) 4.0V in (7) Measure (15) 1.5V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 0.19 0.41 0.65 µsec TD3 H parabola delay 3 (6) 4.0V in (7) Measure (15) 4.0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 2.65 2.95 3.20 µsec DD Delay temperature drift (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in 7 − -0.08 − ns/deg I15 Pin15 input current (15) 2.5V in, measure 15 -5.0 -0.4 -0.1 µA VHP H parabola amplitude (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 7.5 8.2 8.9 VP-P FHP1 H para. freq. characteristics 1 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=24kHz H-pulse in (19) 4.0V in 7 -0.2 0.0 0.2 V FHP2 H para. freq. characteristics 2 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=110kHz H-pulse in (19) 4.0V 7 -0.2 0.0 0.2 V VVHP1 H para. VCC. characteristics 1 (6) 2.5V in (7) Measure (15) 3.0V in (10) (20) 11.5V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 -0.1 0.0 0.1 V VVHP2 H para. VCC. characteristics 2 (6) 2.5V in (7) Measure (15) 3.0V in (10) (20) 12.5V in (17) fH=50kHz H-pulse in (19) 4.0V 7 -0.1 0.0 0.1 V DHP H para. size temperature drift (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 − -275 SHP1 H para. size control 1 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 7.5 8.2 8.9 VP-P SHP2 H para. size control 2 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 2.0V in 7 20 25 30 % SHP3 H para. size control 3 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 0V in 7 -5 0 5 % GHP1 H para. gain control 1 (6) 1.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 0.7 0.9 1.1 VP-P GHP2 H para. gain control 2 (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 4.2 4.7 5.2 - H para. gain control 3 (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in 7 8.36 8.76 9.16 VP-P Circuit current 1 ICCH ICCV Circuit current 2 VREF Reference voltage output DREF Reference voltage temperature drift HORIZONTAL BLOCK (10) Measure (20) Measure (14) Measure (14) Measure VIL H-pulse low input range VIH GHP3 Max. 27.9 9.6 7.15 − Unit Min. 15.1 5.2 6.75 − − mA mA V ppm/deg V V ppm/deg 2 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS ELECTRICAL CHARACTERISTICS (cont.) Symbol DLI Parameter H para. limit size temperature drift I6 Pin6 input current I19 Pin19 input current VERTICAL BLOCK 3 AVP1 V parabola accuracy 1 AVP2 V parabola accuracy 2 AVP3 V parabola accuracy 3 AVP4 V parabola accuracy 4 AVP5 V parabola accuracy 5 GVP1 V parabola amplitude 1 GVP2 V parabola amplitude 2 GVP3 V parabola amplitude 3 FVP1 V para. freq. characteristics 1 FVP2 V para. freq. characteristics 2 VVP1 V para. VCC. characteristics 1 VVP2 V para. VCC. characteristics 2 DVP V para. VCC. temperature drift I2 I3 I5 Pin2 input current Pin3 input current Pin5 input current Min. Limits Typ. Max. 7 − 106 − ppm/deg 6 19 -5.0 -5.0 -0.4 -0.4 -0.1 -0.1 µA µA 4 9.5 10.0 10.5 V 4 6.23 6.73 7.23 V 4 20 25 30 % 4 20 25 30 % 4 90 100 110 % 4 0.0 0.0 0.1 VP-P 4 2.77 3.12 3.47 VP-P 4 6.26 6.56 6.86 VP-P 4 -0.1 0.0 0.1 V 4 -0.1 0.0 0.1 V 4 -0.1 0.0 0.1 V 4 -0.1 0.0 0.1 V 4 − -325 − ppm/deg 2 3 5 -5.0 -5.0 -5.0 -0.4 -0.4 -0.4 -0.1 -0.1 -0.1 µA µA µA Test conditions Pin No. (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (16) 2.5V in, measure (19) 2.0V in, measure (2) 1.9V in (3) 3.5V in (4) measure (5) 4.0V in (2) 2.7V in (3) 3.5V in (4) measure (5) 4.0V in (2) 3.5V in (3) 3.5V in (4) measure (5) 4.0V in (2) 4.3V in (3) 3.5V in (4) measure (5) 4.0V in (2) 5.1V in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 1.0V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 2.5V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=50Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=185Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) fv=70Hz, 3.2VP-P saw wave in (3) 3.5V in (4) measure (5) 4.0V in (2) 3.5V in, measure (3) 3.5V in, measure (5) 2.5V in, measure Unit MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS SWITCH AND VOLTAGE CONDITION Symbol ICCH ICCV VREF DREF VIL VIH IIL IIH TW TD1 TD2 TD3 DD I15 VHP FHP1 FHP2 VVHP1 VVHP2 DHP SHP1 SHP2 SHP3 GHP1 GHP2 GHP3 DLI I6 I19 AVP1 AVP2 AVP3 AVP4 AVP5 GVP1 GVP2 GVP3 FVP1 FVP2 VVP1 VVP2 DVP I2 I3 I5 SW2 a SW3 a SW5 a SW6 a Switch SW10 SW15 SW17 SW19 SW20 b a b a a a b a V CC 12.0 V2 3.5 V5 2.5 Voltage (V) V6 V15 2.5 3.0 V17 0 V19 2.0 a 4.0 − 3.2 b 2.5 2.0 a 4.0 0 5.0 − 0 1.5 4.0 3.0 − 0 2.0 3.0 − 4.0 b b a a 2.5 3.2 11.5 12.5 12.0 4.0 2.0 0 4.0 1.0 2.5 4.0 b a − 2.5 b b a 4.0 1.9 2.7 4.3 5.1 − b 0 4.0 2.0 − 2.0 1.0 2.5 4.0 11.5 12.5 12.0 c a 3.5 b a b 2.5 − 4 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS INPUT SIGNAL 5.0V Typ PG (Input signal to pin17) VTH=2.5V 0V Typ Pulse width 3µsec frequency 24 to 120kHz 1.6V SG (Input signal to pin2) 3.5V 1.6V frequency 50 to 185Hz ELECTRICAL CHARACTERISTICS TEST METHOD ICCH Circuit current1 Measure the input current to pin10. ICCV Circuit current2 Measure the input current to pin20. VREF Reference voltage output Measure the output voltage at pin14. DREF Reference voltage temperature drift Measure temperature drift of pin14. (-20°C to 85°C) VIL H-pulse low input range Input horizontal pulse which low level is 2V in pin17 and confirm output horizontal signal at pin7. 5.0V Input signal to pin17 2.0V Output signal at pin7 5 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS VIH H-pulse high input range Input horizontal pulse which high level is 3V in pin17 and confirm output horizontal signal at pin7. 3.0V Input signal to pin17 0V Output signal at pin7 TW H parabola width Measure the time width of retrace period at pin 7. Input signal to pin17 Tw TD1 H parabola delay1, TD2 H parabola delay2, TD3 H parabola delay3 Measure the delay time from rise time of input signal to middle point of raise waveform point and down waveform point which voltage is retrace voltage +1.5V when the voltage of pin15 is 0V, 1.5V, and 4V. 5.0V Input signal to pin17 0V Output signal at pin7 1.5V TD1, TD2, TD3 6 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS GHP1 H para. gain control1 DD Delay temperature drift Measure the temperature drift of the delay time. (-20°C to 85°C). Measure the amplitude of parabola waveform at pin7 and it is defined as HP6 1.0V. I15 Pin15 input current Measure the input current to pin15 when the voltage of pin15 is GHP2 H para. gain control2 2.5V. The amplitude of parabola waveform at pin7 is defined as HP 19 GHP2= VHP H parabola amplitude HP6 - HP6 1.5 2.0V 2.5V. 1.0V Measure the amplitude of parabola waveform at pin7 and it is defined HP50kHz. GHP3 H para. gain control3 Measure the amplitude of parabola waveform at pin7 (Limit level). FHP1 H para. freq. characteristics1 When the frequency of input signal in pin17 is 24kHz, the amplitude DLI H para. limit size temperature drift of parabola waveform at pin7 is defined as HP 24kHz. Measure temperature drift of GHP3. (-20°C to 85°C) FHP1=HP50kHz - HP24kHz I6 Pin6 input current FHP2 H para. freq. characteristics2 When the frequency of input signal in pin17 is 120kHz, the Measure the input current to pin6 when voltage of pin6 is 2.5V. amplitude of parabola waveform at pin7 is defined as HP 120KHz. I19 Pin19 input current FHP2=HP50kHz - HP120kHz Measure the input current to pin19 when voltage of pin19 is 2V. VVHP1 H para. VCC. characteristics1 When the supply voltage of pin10, 20 is 11.5V, the amplitude of AVP1 V parabola accuracy1 Measure the output voltage at pin4 and it is defined as VP 2 parabola waveform at pin7 is defined as HP 11.5V. 3.5V. VVHP1=HP50kHz - HP11.5V AVP2 V parabola accuracy2 The output voltage at pin4 is defined as VP 2 VVHP2 H para. VCC. characteristics2 When the supply voltage of pin10, 20 is 12.5V, the amplitude of AVP2=VP2 3.5V - VP2 1.9V. 1.9V parabola waveform at pin7 is defined as HP 12.5V. AVP3 V parabola accuracy3 VVHP2=HP50kHz - HP12.5V The output voltage at pin4 is defined as VP 2 DHP H para. size. temperature drift AVP3= Measure the temperature drift of HP50kHz. (-20°C to 85°C) SHP1 H para. size. control1 3.5V 3.5V - VP2 - VP2 2.7V 1.9V ×100 (%) AVP4 V parabola accuracy4 Measure the amplitude of parabola waveform at pin7 and defined as HP19 VP2 VP2 2.7V. it is The output voltage at pin4 is defined as VP 2 4.0V. AVP4= VP2 VP2 3.5V 3.5V - VP2 - VP2 4.3V 1.9V 4.3V. ×100 (%) SHP2 H para. size. control2 The amplitude of parabola waveform at pin7 is defined as HP 19 2.0V. AVP5 V parabola accuracy5 SHP2= HP19 HP19 2.0V 4.0V ×100 (%) The output voltage at pin4 is defined as VP 2 AVP5= VP2 VP2 3.5V 3.5V - VP2 - VP2 5.1V 1.9V 5.1V. ×100 (%) SHP3 H para. size. control3 The amplitude of parabola waveform at pin7 is defined as HP 19 0V. GVP1 V parabola amplitude1, GVP2 V parabola amplitude2, SHP3= HP19 HP19 0V 4.0V ×100 (%) GVP3 V parabola amplitude3 Measure the amplitude of parabola waveform at pin4 when the voltage of pin5 is 0V, 2.5V, and 4V. When the voltage of pin5 is 4V, the amplitude of parabola waveform is defined as VP70Hz. 7 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS FVP1 V para. freq. characteristics1 DVP V para. temperature drift When the frequency of input signal in pin2 is 50Hz, the amplitude of Measure temperature drift of VP70Hz. (-20°C to 85°C) parabola waveform at pin4 is defined as VP 50Hz. FVP1=VP70Hz - VP50Hz I2 Pin2 input current Measure the input current to pin2 when the voltage of pin2 is 3.5V. FVP2 V para. freq. characteristics2 FVP2=VP70Hz - VP185Hz I3 Pin3 input current Measure the input current to pin3 when the voltage of pin3 is 3.5V. VVP1 V para. VCC. characteristics1 When the voltage of pin10, 20 is 11.5V, the amplitude of parabola I5 Pin5 input current waveform is defined as VP11.5V. Measure the input current to pin5 when the voltage of pin5 is 3.5V. VVP1=VP70Hz - VP11.5V VVP2 V para. VCC. characteristics2 When the voltage of pin10, 20 is 12.5V, the amplitude of parabola waveform is defined as VP12.5V. VVP2=VP70Hz - VP12.5V 8 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS TEST CIRCUIT VCC 11.5V 12.0V 12.5V V19 0V 2.0V 3.2V 4.0V 2.0V A A SW20 b a a b V17 0V 5.0V A A H-Pulse a b a SW19 33µF b SW17 19 17 18 a V SW15 100pF 0.01µF 20 V15 0V 1.5V 3.0V 4.0V 2.5V 6.8k 14 15 16 H-Pulse Delay Para.Amp 0.01µF 1µF 13 11 12 Vref AGC DET X2 Buffer SW 2 X Para.Amp & Limiter H-SAW Generator Buffer 2 1 4 3 7 6 5 8 10 9 Hout 100pF SW2 V2 a 1.9V 2.7V 3.5V 4.3V 5.1V c SW3 a b SW5 Osc Scope Dig-vol b A 3.5V a V5 A 3.5V 0.01µF a b 33µF Osc Scope a A V6 2.5V 3.5V V-saw b 100pF SW6 1.0V 2.5V 4.0V A b SW10 A 2.5V 1.0V 2.5V 4.0V Units Resistance : Ω Capacitance : F 9 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) POWER DISSIPATION Pd (mW) 1500 1237.6 1000 643.6 500 0 -20 0 25 50 75 85 100 125 150 AMBIENT TEMPERATURE Ta (°C) DELAY CONTROL VOLTAGE VS. DELAY TIME 3.5 Pin17 input PIN7 DELAY TIME (µs) 3 2.5 Delay time 2 Pin7 output 1.5 1 0.5 0 0 0.5 1 Usable range Unusable range 1.3 2 3 4 5 Usable range PIN7 H PARABORA AMPLITUDE RATIO (%) PIN15 DELAY CONTROL VOLTAGE (V) H SIZE CONTROL VOLTAGE VS. H PARABOLA AMPLITUDE RATIO 100 Pin6=2.5V const. Amplitude ratio= 50 0 0 1 2 3 4 Pin7 output level ×100(%) Pin7 output level at pin19=4.0V 5 PIN19 H SIZE CONTROL VOLTAGE (V) 10 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS PIN7 H PARABOLA AMPLITUDE (VP-P) H GAIN CONTROL VOLTAGE VS. H PARABORA AMPLITUDE 10 8.76VP-P (Limiting level) 5 Pin19=4.0V const. 0 0 1 2 3 4 PIN6 H GAIN CONTROL VOLTAGE (V) V PARA DC OUTPUT VOLTAGE RATIO PIN4 OUTPUT VOLTAGE RATIO (%) 100 Pin3=3.5V const. Pin5=4.0V const. 75 Output ratio= 50 Pin4out (Pin2=3.5V)-Pin4out Pin4out (Pin2=3.5V)-Pin4out (Pin2=1.9V) 25 0 1.9 2.7 3.5 4.3 5.1 PIN2 INPUT VOLTAGE (V) PIN4 V PARABORA AMPLITUDE (VP-P) V PARA AMP GAIN CONTROL VOLTAGE VS. OUTPUT AMPLITUDE 7 6.56VP-P 6 Pin2 3.2VP-P sawtooth wave input 5 4 3 2 1 0 0 1 2 3 4 5 PIN5 V PARA AMP GAIN CONTROL VOLTAGE (V) 11 ×100 (%) MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS TIMING DIAGRAM HORIZONTAL BLOCK 3.0≤VIH≤ (VCC-2.0V) Pin17 H-pulse input VTH=2.5V VIL≤2.0V Pulse width 3µsec Internal H-pulse Pulse delay Pulse width 0.8µsec Pin8 output Pin7 output VERTICAL BLOCK 1.6V Pin2 input Pin3 input voltage=3.5V 1.6V Pin4 output 12 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS APPLICATION EXAMPLE 12.0V 10µF The total resistance is above 10kΩ 1% 0.01µF 0.01µF 33µF 0.01µF VHS (H Size) V-VCC H Pulse input H-GND 19 20 17 18 1% 100pF C∆ VPH 15 16 14 H-Pulse Delay Para.Amp 6.8k 1% 0.01µF 1µF 13 11 12 Vref AGC DET X2 Buffer SW 2 X Para.Amp & Limiter H-SAW Generator Buffer 2 1 V-GND V-Saw input 4 3 VREF Vout 7 6 5 VGV (H Gain) VGH (H Gain) 8 0.01µF C∆ 100pF 0.01µF 10 9 Hout H-VCC C∆ 100pF 33µF 0.01µF 2VP-P 10µF 3.2VP-P above 10kΩ 2.2µF 4.7µF H/V Deflection IC 1% 1% To amplifier above 10kΩ V DAC Units Resistance : Ω Capacitance : F 13 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS DESCRIPTION OF PIN Pin No. 1 Name V-GND DC voltage (V ) − Peripheral circuit of pins Description of function GND of vertical block V-VCC 50µA 2 Vsawi 3.5V 2 1k Vertical sawtooth wave input pin. 1.6V VSAWREF 1.6V =3.5V V-GND V-VCC 50µA 3 Vsawref 3.5V 3 Vertical reference voltage input pin. (3.5V) 1k V-GND V-VCC 200 4 Vout Vertical parabola wave output pin. Peak voltage=10V(fixed) 10V (Peak) 4 1mA Amplitude is possible to control by pin5 V-GND V-VCC 50µA 5 VGV Vertical parabola wave gain control voltage input pin. Input voltage range is 1.0 to 4.0V. 1.0 to 4.0V 5 1k V-GND H-VCC 50µA 6 VGH 1.0 to 4.0V 6 1k Horizontal parabola wave gain control voltage input pin. Input voltage range is 1.0 to 4.0V. H-GND 14 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function horizontal parabola wave output pin. H-VCC 200 Peak voltage=9.2V (fixed) 7 Hout 9.2V (Peak) 7 Amplitude is possible to control by pin6 and pin19. 1mA H-GND H-VCC 0.25mA 8 Cret 7.1V (Top) 4.9V (Bottom) 8 Connection pin of horizontal retrace capacitor. Recommended capacitance is 100pF. 7.1V 60µA 1.5k H-GND 4.9V 37µA H-VCC 9 Ctrc 7.1V (Top) 4.9V (Bottom) Connection pin of horizontal trace capacitor. Recommended capacitance is 100pF. 9 2k 2k 7.1V 4.9V 510 70µA H-GND 10 H-VCC 12.0V Vcc of horizontal block. H-VCC Connection pin of horizontal sawtooth wave AGC retrace capacitor. Recommended capacitance is 0.01µF. 11 11 CAGCr 2.5V 1.5k H-GND 15 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function H-VCC Connection pin of horizontal AGC capacitor. Recommended capacitance is 1µF. 12 12 CAGC 4.0V 7.5k 1.5k H-GND H-VCC 4k 13 VREFR Connection pin of reference current source resister. Recommended resistance is 6.8kΩ. 1.28V 13 H-GND H-VCC 14 VREFO 7.0V 10p 14 50µA H-GND Reference voltage output for horizontal pulse delay circuit. Should be connect more than 10kΩ external resister. 0.2mA H-VCC 50µA 15 VPH Delay adjustment voltage input pin of horizontal pulse. Input voltage range is 1.3 to 4.0V. At 0 to 0.5V, delay is minimized. (0.5 to 1.3V is unusable range.) 0 to 0.5V 1.3 to 4.0V 15 1k H-GND H-VCC 2k 16 Chpd 2k 0V (Bottom) 50µA Connection pin of horizontal pulse delay timing capacitor. Recommended capacitance is 100pF. 0.5 to 5.0VP-P 16 1k 0V H H-GND 16 MITSUBISHI ICs (Monitor) M52723ASP DYNAMIC FOCUS DESCRIPTION OF PIN (cont.) Pin No. Name DC voltage (V ) Peripheral circuit of pins Description of function H-VCC 50µA 17 HPin − 1k 17 Horizontal pulse input pin. Low input level is less than 2.0V, and high is 3.0 to 10V (at Vcc=12V). 50k H-GND 18 H-GND − GND of horizontal block H-VCC 50µA 19 VHS Horizontal size control voltage input pin.Input Voltage range is 0 to 4V. − 19 1k H-GND 20 17 V-VCC 12.0V Vcc of vertical block