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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS DESCRIPTION
The M52723ASP is semiconductor integrated circuit for Multi-Sync display monitors. It generates horizontal and vertical parabola waves, and it can revise focus of CRT monitors.
V-GND V-SAW INPUT VREF INPUT 1 2 3 4 5 6 7 8 9 20 V-VCC 19 VHS INPUT 18 H-GND 17 H-PULSE INPUT 16 H-DELAY CAPACITOR 15 VPH INPUT 14 VREF OUTPUT 13 VREF RESISTOR 12 AGC TRACE CAPACITOR 11 AGC RETRACE CAPACITOR
PIN CONFIGURATION (TOP VIEW)
FEATURES
V-PARA OUTPUT VGV INPUT VGH INPUT H-PARA OUTPUT H-SAW RETRACE H-SAW TRACE
M52723ASP
* * *
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.
APPLICATION
CRT display monitor
H-VCC 10
Outline 20P4B
RECOMMENDED OPERATING CONDITION
Supply voltage range....................................................11.5 to 12.5V Rated supply voltage...................................................................12V
BLOCK DIAGRAM
V-VCC 20 VHS INPUT 19 H-GND 18 H PULSE INPUT 17 H-DELAY CAPACITOR 16 VPH INPUT 15 VREF OUTPUT 14 AGC AGC TRACE RETRACE VREF RESISTOR CAPACITOR CAPACITOR 13 12 11
H-Pulse Delay
Vref
AGC DET
Para.Amp
Buffer
X2
SW X2 Para.Amp & Limiter H-SAW Generator Buffer
1 V-GND
2 V-SAW INPUT
3 VREF INPUT
4 V-PARA OUTPUT
5 VGV INPUT
6 VGH INPUT
7 H-PARA OUTPUT
8 H-SAW RETRACE
9 H-SAW TRACE
10 H-VCC
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS ABSOLUTE MAXIMUM RATINGS (Ta=25C)
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. - - -20 -40 - 11.5 200 Ratings Typ. - - - - 12.0 - - Max. 13.0 1237.6 +85 +150 - 12.5 - Unit V mW C C V V V
ELECTRICAL CHARACTERISTICS (Ta=25C, VCC=12V, unless otherwise noted)
Symbol Parameter Test conditions (10) Measure (20) Measure (14) Measure (14) Measure
(6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in
Pin No. 10 20 14 14
Circuit current 1 ICCH ICCV Circuit current 2 VREF Reference voltage output DREF Reference voltage temperature drift HORIZONTAL BLOCK VIL VIH IIL IIH TW TD1 TD2 TD3 DD I15 VHP FHP1 FHP2 VVHP1 VVHP2 DHP SHP1 SHP2 SHP3 GHP1 GHP2 GHP3 H-pulse low input range H-pulse high input range H-pulse low input current H-pulse high input current H parabola width H parabola delay 1 H parabola delay 2 H parabola delay 3 Delay temperature drift Pin15 input current H parabola amplitude H para. freq. characteristics 1 H para. freq. characteristics 2 H para. VCC. characteristics 1 H para. VCC. characteristics 2 H para. size temperature drift H para. size control 1 H para. size control 2 H para. size control 3 H para. gain control 1 H para. gain control 2 H para. gain control 3
Min. 15.1 5.2 6.75 - 0.0 3.0 -5.0 -1.0 0.50 -0.09 0.19 2.65 - -5.0 7.5 -0.2 -0.2 -0.1 -0.1 - 7.5 20 -5 0.7 4.2 8.36
Limits Typ. 21.5 7.4 6.95 49 - - -0.6 0.0 0.70 0.09 0.41 2.95 -0.08 -0.4 8.2 0.0 0.0 0.0 0.0 -275 8.2 25 0 0.9 4.7 8.76
Max. 27.9 9.6 7.15 - 2.0 VCC -2.0 -0.1 1.0 0.90 0.35 0.65 3.20 - -0.1 8.9 0.2 0.2 0.1 0.1 - 8.9 30 5 1.1 5.2 9.16
Unit mA mA V
ppm/deg
7 7 17 17 7 7 7 7 7 15 7 7 7 7 7 7 7 7 7 7 7 7
V V A A sec sec sec sec ns/deg A VP-P V V V V
ppm/deg
(17) 0V in, measure (17) 5V in, measure
(6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in (6) 4.0V in (7) Measure (15) 0V in (17) fH=50kHz H-pulse in (19) 3.2V in (6) 4.0V in (7) Measure (15) 1.5V in (17) fH=50kHz H-pulse in (19) 3.2V in (6) 4.0V in (7) Measure (15) 4.0V in (17) fH=50kHz H-pulse in (19) 3.2V in (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 3.2V in
(15) 2.5V in, measure
(6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=24kHz H-pulse in (19) 4.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=110kHz H-pulse in (19) 4.0V (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 (6) 2.5V in (7) Measure (15) 3.0V in (10) (20) 12.5V in (17) fH=50kHz H-pulse in (19) 4.0V (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 2.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 0V in (6) 1.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (6) 2.5V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in (6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in
VP-P % % VP-P VP-P
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
ELECTRICAL CHARACTERISTICS (cont.)
Symbol DLI Parameter H para. limit size temperature drift Test conditions
(6) 4.0V in (7) Measure (15) 3.0V in (17) fH=50kHz H-pulse in (19) 4.0V in
Pin No. 7 6 19
Min. - -5.0 -5.0
Limits Typ. 106 -0.4 -0.4
Max. - -0.1 -0.1
Unit
ppm/deg
I6 Pin6 input current I19 Pin19 input current VERTICAL BLOCK AVP1 AVP2 AVP3 AVP4 AVP5 GVP1 GVP2 GVP3 FVP1 FVP2 VVP1 VVP2 DVP I2 I3 I5 V parabola accuracy 1 V parabola accuracy 2 V parabola accuracy 3 V parabola accuracy 4 V parabola accuracy 5 V parabola amplitude 1 V parabola amplitude 2 V parabola amplitude 3 V para. freq. characteristics 1 V para. freq. characteristics 2 V para. VCC. characteristics 1 V para. VCC. characteristics 2 V para. VCC. temperature drift Pin2 input current Pin3 input current Pin5 input current
(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
A A
4 4 4 4 4 4 4 4 4 4 4 4 4 2 3 5
9.5 6.23 20 20 90 0.0 2.77 6.26 -0.1 -0.1 -0.1 -0.1 - -5.0 -5.0 -5.0
10.0 6.73 25 25 100 0.0 3.12 6.56 0.0 0.0 0.0 0.0 -325 -0.4 -0.4 -0.4
10.5 7.23 30 30 110 0.1 3.47 6.86 0.1 0.1 0.1 0.1 - -0.1 -0.1 -0.1
V V % % % VP-P VP-P VP-P V V V V
ppm/deg
A A A
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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 a b a VCC 12.0 V2 3.5 V5 2.5 Voltage (V) V6 V15 2.5 3.0 V17 0 V19 2.0
4.0 2.5 4.0 0 1.5 4.0 3.0 - 3.0
- 0 5.0 -
3.2 2.0 3.2
b a
b a
2.5
0 -
2.0 4.0
11.5 12.5 12.0 4.0 2.0 0 4.0
1.0 2.5 4.0 b a b b a 1.9 2.7 4.3 5.1 - 4.0 - 2.5 0
4.0 2.0 - 2.0
b
1.0 2.5 4.0
11.5 12.5 12.0 c a 3.5 b a b 2.5 -
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS INPUT SIGNAL
5.0V Typ PG (Input signal to pin17) VTH=2.5V 0V Typ Pulse width 3sec frequency 24 to 120kHz
1.6V SG (Input signal to pin2) 1.6V 3.5V
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. (-20C to 85C) 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
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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
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
GHP1 H para. gain control1 Measure the amplitude of parabola waveform at pin7 and it is defined as HP6 I15 Pin15 input current Measure the input current to pin15 when the voltage of pin15 is 2.5V. VHP H parabola amplitude Measure the amplitude of parabola waveform at pin7 and it is defined HP50kHz. GHP3 H para. gain control3 FHP1 H para. freq. characteristics1 When the frequency of input signal in pin17 is 24kHz, the amplitude of parabola waveform at pin7 is defined as HP24kHz. FHP1=HP50kHz - HP24kHz FHP2 H para. freq. characteristics2 When the frequency of input signal in pin17 is 120kHz, the amplitude of parabola waveform at pin7 is defined as HP120KHz. FHP2=HP50kHz - HP120kHz VVHP1 H para. VCC. characteristics1 When the supply voltage of pin10, 20 is 11.5V, the amplitude of parabola waveform at pin7 is defined as HP11.5V. VVHP1=HP50kHz - HP11.5V AVP2 V parabola accuracy2 VVHP2 H para. VCC. characteristics2 When the supply voltage of pin10, 20 is 12.5V, the amplitude of parabola waveform at pin7 is defined as HP12.5V. VVHP2=HP50kHz - HP12.5V DHP H para. size. temperature drift Measure the temperature drift of HP50kHz. (-20C to 85C) SHP1 H para. size. control1 Measure the amplitude of parabola waveform at pin7 and defined as HP19
4.0V. 1.0V.
DD Delay temperature drift Measure the temperature drift of the delay time. (-20C to 85C).
GHP2 H para. gain control2 The amplitude of parabola waveform at pin7 is defined as HP19 GHP2= HP6
2.0V 2.5V.
- HP6 1.5
1.0V
Measure the amplitude of parabola waveform at pin7 (Limit level). DLI H para. limit size temperature drift Measure temperature drift of GHP3. (-20C to 85C) I6 Pin6 input current Measure the input current to pin6 when voltage of pin6 is 2.5V. I19 Pin19 input current Measure the input current to pin19 when voltage of pin19 is 2V. AVP1 V parabola accuracy1 Measure the output voltage at pin4 and it is defined as VP2
3.5V.
The output voltage at pin4 is defined as VP2 AVP2=VP2
3.5V
1.9V.
- VP2
1.9V
AVP3 V parabola accuracy3 The output voltage at pin4 is defined as VP2 AVP3= VP2 VP2
3.5V 3.5V 2.7V.
- VP2 - VP2
2.7V 1.9V
x100 (%)
AVP4 V parabola accuracy4 it is The output voltage at pin4 is defined as VP2 AVP4= VP2 VP2
3.5V 3.5V 4.3V.
- VP2 - VP2
4.3V 1.9V
x100 (%)
SHP2 H para. size. control2 The amplitude of parabola waveform at pin7 is defined as HP19 SHP2= HP19 HP19
2.0V 4.0V 2.0V.
AVP5 V parabola accuracy5 x100 (%) The output voltage at pin4 is defined as VP2 AVP5= SHP3 H para. size. control3 The amplitude of parabola waveform at pin7 is defined as HP19 SHP3= HP19 HP19
0V 4.0V 0V. 5.1V.
VP2 VP2
3.5V 3.5V
- VP2 - VP2
5.1V 1.9V
x100 (%)
GVP1 V parabola amplitude1, GVP2 V parabola amplitude2, x100 (%) 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.
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
FVP1 V para. freq. characteristics1 When the frequency of input signal in pin2 is 50Hz, the amplitude of parabola waveform at pin4 is defined as VP50Hz. FVP1=VP70Hz - VP50Hz FVP2 V para. freq. characteristics2 FVP2=VP70Hz - VP185Hz VVP1 V para. VCC. characteristics1 When the voltage of pin10, 20 is 11.5V, the amplitude of parabola waveform is defined as VP11.5V. 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 I5 Pin5 input current Measure the input current to pin5 when the voltage of pin5 is 3.5V. I3 Pin3 input current Measure the input current to pin3 when the voltage of pin3 is 3.5V. I2 Pin2 input current Measure the input current to pin2 when the voltage of pin2 is 3.5V. DVP V para. temperature drift Measure temperature drift of VP70Hz. (-20C to 85C)
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS TEST CIRCUIT
VCC 11.5V 12.0V 12.5V V19 0V 2.0V 3.2V 4.0V a SW19 0.01F 20 19 18 17 16 V17 0V 5.0V A H-Pulse b a SW17 100pF b a SW15 V15 0V 1.5V 3.0V 4.0V V 6.8k 14 13 12 1F 11 0.01F
2.0V A SW20 b 33F a a b A
2.5V A
15
H-Pulse Delay
Vref
AGC DET
Para.Amp
Buffer
X2
SW X
2
Para.Amp & Limiter H-SAW Generator Buffer
1
2
3
4
5
6 Hout
7 100pF
8 100pF
9 0.01F
10
SW2 V2 a 1.9V 2.7V 3.5V 4.3V 5.1V c b A V-saw 3.5V a
SW3 b Osc Scope Dig-vol a V5 3.5V 1.0V 2.5V 4.0V
SW5 b a V6
SW6 b Osc Scope a b A 2.5V 1.0V 2.5V 4.0V
33F SW10
3.5V
A
A 2.5V
A
Units Resistance : Capacitance : F
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS TYPICAL CHARACTERISTICS
THERMAL DERATING (MAXIMUM RATING)
1500
POWER DISSIPATION Pd (mW)
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 3 Pin17 input
PIN7 DELAY TIME (s)
2.5 2 1.5 1 0.5 0 1.3 2 Pin7 output
Delay time
0 0.5
1
3
4
5
Usable range Unusable range
Usable range
PIN15 DELAY CONTROL VOLTAGE (V) H SIZE CONTROL VOLTAGE VS. H PARABOLA AMPLITUDE RATIO
100 Pin6=2.5V const.
PIN7 H PARABORA AMPLITUDE RATIO (%)
50
Amplitude ratio=
Pin7 output level x100(%) Pin7 output level at pin19=4.0V
0
0
1
2
3
4
5
PIN19 H SIZE CONTROL VOLTAGE (V)
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
H GAIN CONTROL VOLTAGE VS. H PARABORA AMPLITUDE PIN7 H PARABOLA AMPLITUDE (VP-P)
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
100
PIN4 OUTPUT VOLTAGE RATIO (%)
Pin3=3.5V const. Pin5=4.0V const. 75
50
Output ratio=
Pin4out (Pin2=3.5V)-Pin4out Pin4out (Pin2=3.5V)-Pin4out (Pin2=1.9V)
x100 (%)
25
0
1.9
2.7
3.5
4.3
5.1
PIN2 INPUT VOLTAGE (V)
V PARA AMP GAIN CONTROL VOLTAGE VS. OUTPUT AMPLITUDE PIN4 V PARABORA AMPLITUDE (VP-P)
7 6 5 4 3 2 1 0 6.56VP-P Pin2 3.2VP-P sawtooth wave input
0
1
2
3
4
5
PIN5 V PARA AMP GAIN CONTROL VOLTAGE (V)
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS TIMING DIAGRAM
HORIZONTAL BLOCK
3.0VIH (VCC-2.0V)
Pin17 H-pulse input
VTH=2.5V VIL2.0V Pulse width 3sec
Internal H-pulse
Pulse delay Pulse width 0.8sec
Pin8 output
Pin7 output
VERTICAL BLOCK
1.6V Pin2 input 1.6V Pin3 input voltage=3.5V
Pin4 output
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS APPLICATION EXAMPLE
12.0V
10F 1% 0.01F 33F V-VCC 20 0.01F VHS (H Size) 19 0.01F H-GND 18 H Pulse input 17 16 100pF VPH 15 1%
The total resistance is above 10k
C
1% 14 13
6.8k 12
1F 11
0.01F
H-Pulse Delay
Vref
AGC DET
Para.Amp
Buffer
X2
SW X
2
Para.Amp & Limiter H-SAW Generator Buffer
1 V-GND V-Saw input
2 VREF
3 Vout
4 VGV (H Gain)
5 VGH (H Gain)
6 Hout
7
8
9 0.01F
10 H-VCC 33F
C 100pF 0.01F 0.01F 2VP-P 3.2VP-P
C 100pF
10F above 10k 2.2F 4.7F H/V Deflection IC 1% 1% above 10k V DAC To amplifier
Units Resistance : Capacitance : F
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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 50A
Vertical sawtooth wave input pin.
1.6V VSAWREF 1.6V =3.5V
2
Vsawi
3.5V
2
1k
V-GND
V-VCC 50A
3
Vsawref
3.5V
3
1k
Vertical reference voltage input pin. (3.5V)
V-GND
V-VCC 200
Vertical parabola wave output pin.
Peak voltage=10V(fixed)
4
Vout
10V (Peak)
4 1mA V-GND Amplitude is possible to control by pin5
V-VCC 50A
5
VGV
1.0 to 4.0V
5 1k
Vertical parabola wave gain control voltage input pin. Input voltage range is 1.0 to 4.0V.
V-GND
H-VCC 50A
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
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M52723ASP
DYNAMIC FOCUS
DESCRIPTION OF PIN (cont.)
Pin No. Name DC voltage (V ) Peripheral circuit of pins
H-VCC 200 Peak voltage=9.2V (fixed)
Description of function horizontal parabola wave output pin.
7
Hout
9.2V (Peak)
7 1mA H-GND Amplitude is possible to control by pin6 and pin19.
H-VCC 0.25mA
8
Cret
7.1V (Top) 4.9V (Bottom)
8 60A 1.5k H-GND 37A
Connection pin of horizontal retrace capacitor. Recommended capacitance is 100pF.
7.1V 4.9V
H-VCC
9
Ctrc
7.1V (Top) 4.9V (Bottom)
9 2k 2k
Connection pin of horizontal trace capacitor. Recommended capacitance is 100pF.
7.1V 4.9V 510 70A
H-GND
10
H-VCC
12.0V
H-VCC
Vcc of horizontal block.
11
11
CAGCr
2.5V
Connection pin of horizontal sawtooth wave AGC retrace capacitor. Recommended capacitance is 0.01F.
1.5k
H-GND
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
DESCRIPTION OF PIN (cont.)
Pin No. Name DC voltage (V )
H-VCC
Peripheral circuit of pins
Description of function
12
12
CAGC
4.0V
7.5k
Connection pin of horizontal AGC capacitor. Recommended capacitance is 1F.
1.5k H-GND
H-VCC 4k
13
VREFR
1.28V
13
Connection pin of reference current source resister. Recommended resistance is 6.8k.
H-GND
H-VCC
14
VREFO
7.0V
14
10p
50A H-GND
Reference voltage output for horizontal pulse delay circuit. Should be connect more than 10k external resister.
0.2mA
H-VCC 50A
15
VPH
0 to 0.5V 1.3 to 4.0V
15 H-GND
1k
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.)
H-VCC 2k 2k 50A
16
Chpd
0V (Bottom)
Connection pin of horizontal pulse delay timing capacitor. Recommended capacitance is 100pF.
0.5 to 5.0VP-P
16 H-GND
1k
0V H
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MITSUBISHI ICs (Monitor)
M52723ASP
DYNAMIC FOCUS
DESCRIPTION OF PIN (cont.)
Pin No. Name DC voltage (V ) Peripheral circuit of pins
H-VCC 50A
Description of function
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
-
H-VCC 50A
GND of horizontal block
19
VHS
-
1k
Horizontal size control voltage input pin.Input Voltage range is 0 to 4V.
19 H-GND
20
V-VCC
12.0V
Vcc of vertical block
17

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