Pioneer PDP-502MX Service Manual page 20

PDP-502MX,
PDP-502MXE
2.
1C
INFORMATION
CXA3506R
(IC2402:
VIDEO ASSY)
•
AD+PLL
1C
•
Pin
Assignment
(Top view)
•
The
information
shown
in the
list is
basic
information and
may
not
correspond
exactly to that
shown
in the
schematic diagrams.
5 |
0
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•
Pin Function
No.
Name
I/O
Description
1
B/CbOUT
0
Amplifier
output
signal
monitor
(1
.7V)
2
ADDRESS
1 l
2
C
slave address
setting
3
R/CrOUT
0
Amplifier output
signal
monitor
(1
.7V)
4
5
NC
—
Not used
6
XPOWER
SAVE
1
Power
saving
setting
7
DGNDREG
—
GND
for
Register
8
DVccREG
—
Power
supply (5V)
for
Register
9
SDA
1
Data
input
for control register
10
SCL
1
Clock
input
for
control register
No.
Name
I/O
Description
11
XSENABLE
1
Enable
signal input
for
3
line
control register
12
SEROUT
0
Data readout
of
3
line
control register
13 3WIRE/I
2 C
1
Selection of
l
2
C
bus
mode and 3
line
bus
mode
14
DPGND
—
GND
15
AVccADREF
—
Power
supply (5V)
for
reference voltage
of
ADC
16
AVccAD3
—
Analog power
supply (3.3V) of
ADC
17
VRT o
Top
reference voltage (2.9V) output
of
ADC
18
DVccAD3
—
Digital
power supply
(3.3V) of
ADC
19
DVccADTTL
—
Power
supply
(5V)
for
TTL
output of
ADC
20