Pioneer PDP-4271HD Service Manual page 197

5
Pin Function
2.10 ACD3 section terminal
Acronyms Terminal number
ACBI 162
ABI 164
VRT3 163
VRB3 165
VCOM3 166
2.9 ACD4 section terminal
Acronyms Terminal number
ACRI 170
ARI 172
VCOM4 169
VRB4 173
VRT4 174
2.12 DAC section terminal
Acronyms Terminal number
IO-YG 62
IO-CR 68
IO-CB 65
REF 59
RSET 60
5
6
I/O Level Buffer type
PU/PD [kΩ]
I Analog –
I 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 –
I/O Level Buffer type
PU/PD [kΩ]
O Analog –
O Analog –
O Analog –
I Analog –
O Analog –
PDP-4271HD
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7
Functions
ADC3 color difference component Cb signal input
Input the image signal by cutting the capacity.
ADC3 RGB component B signal input
Input the image signal by cutting the capacity.
ADC3 top reference voltage
Connect to GND via a 0.1µF capacitor.
ADC3 bottom reference voltage
Connect to GND via a 0.1µF capacitor.
ADC3 in-phase reference voltage
Connect to GND via a 0.1µF capacitor.
Functions
ADC4 color difference component Cr signal input
Input the image signal by cutting the capacity.
ADC3 RGB component R signal input
Input the image signal by cutting the capacity.
ADC4 in-phase reference voltage
Connect to GND via a 0.1µF capacitor.
ADC4 bottom reference voltage
Connect to GND via a 0.1µF capacitor.
ADC4 top reference voltage
Connect to GND via a 0.1µF capacitor.
Functions
Color difference component Y/RGB component G output signal.
Connect to AGNDA via a 200Ω load resistance.
Color difference component Cr/RGB component R output signal.
Connect to AGNDA via a 200Ω load resistance.
Color difference component Cb/RGB component B output signal.
Connect to AGNDA via a 200Ω load resistance.
External reference input pin. Supply 1.0V.
And, connect to AGNDA via a 0.1µF capacitor.
Connect to AGNDA via a 620Ω resistor for external adjustment.
7
8
A
B
C
D
E
F
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