Pioneer PDP-4270XA Service Manual page 189

5
Pin Function
2.1 Power supply/ground terminal
Acronyms Terminal number
AVDD1 138
AVDD3 141
155,156,167,168
AVDDA 61,64,67
AGND 143,144,145,175,176
AGNDA 58,63,66,69
DVDD1 16,23,27,32,39,48,
57,70,76,81,92,103,
115,125,133
DVDD3 1,11,26,44,53,88,98,
109,120,132
DGND 17,24,33,38,45,56,
80,89,93,104,114,
126
2.2 System reset terminal
Acronyms Terminal number
RSTB 74
5
6
I/O Level Buffer type
PU/PD [kΩ]
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– –
–
I/O Level Buffer type
PU/PD [kΩ]
I Schmitt –
PDP-427XD
6
7
Functions
Analog 1.5V power supply
Connect to the 1.5V power supply. Separate it
from the other terminals via a filter.
Analog 3.3V power supply
Connect to the 3.3V power supply. Separate it
from the other terminals via a filter.
Analog 3.3V power supply for ADC.
Connect to the 3.3V power supply. Separate it
from the other power lines via a filter.
Analog 3.3V power supply for DAC.
Connect to the 3.3V power supply. Separate it
from the other power lines via a filter.
Analog ground
Analog ground (for DAC)
Digital 1.5V power supply
Connect to the 1.5V power supply.
Digital 3.3V power supply
Connect to the 3.3V power supply.
Digital ground
Functions
System reset input (Active-Low)
7
8
A
B
C
D
E
F
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