Pioneer PDP-4270XA Service Manual page 192

1
A
Pin Function
2.8 ADC1 section terminal
Acronyms Terminal number
AVI 148
B
ASYI 150
ACYI 152
ACSI 154
VCLY 146
VCOM1 147
C
VRB1 151
VRT1 153
2.9 ADC2 section terminal
Acronyms Terminal number
D
ASCI 158
AGI 160
VRT2 157
VRB2 159
E
VCOM2 161
F
192
1
2
I/O Level Buffer type
PU/PD [kΩ]
I Analog –
I Analog –
I Analog –
I Analog –
O Analog –
I Analog –
I Analog –
I Analog –
I/O Level Buffer type
PU/PD [kΩ]
I Analog –
I Analog –
I Analog –
I Analog –
I Analog –
PDP-427XD
2
3
Functions
ADC1 composite/Y signal input
Input the image signal by cutting the capacity.
ADC1 composite/Y signal input
Input the image signal by cutting the capacity.
ADC1 composite/Y signal input
Input the image signal by cutting the capacity.
ADC1 composite/Y signal input
Input the image signal by cutting the capacity.
ADC1 clamp electric potential
Connect to GND via 0.1µF and 10µF capacitors.
ADC1 in-phase reference voltage
Connect to GND via a 0.1µF capacitor.
ADC1 bottom reference voltage
Connect to GND via a 0.1µF capacitor.
ADC1 top reference voltage
Connect to GND via a 0.1µF capacitor.
Functions
ADC2 separate C signal input
Input the image signal by cutting the capacity.
ADC2 RGB component G signal input
Input the image signal by cutting the capacity.
ADC2 top reference voltage
Connect to GND via a 0.1µF capacitor.
ADC2 bottom reference voltage
Connect to GND via a 0.1µF capacitor.
ADC2 in-phase reference voltage
Connect to GND via a 0.1µF capacitor.
3
4
4