Pioneer PDP-505MX Service Manual page 100

1
A
(1) Detach connectors and cables on failed Board.
Caution: Be careful of handling cables and connectors to avoid failure. Be sure to take off Heat Sink before detach Data
Relay Board. See next Page for the procedure.
Data Relay Board (LU)
6 connectors
B
C
Data Relay Board (LD)
6 connectors
(2) Loosen screws of failed Board and put on good Board.
Caution: Be careful not to leave screwdriver, screw or screw dust. Be sure to take off Heat Sink before detach Data Relay
Board. See the next page for the procedure.
D
Data Relay Board (LU)
3 screws
E
F
Data Relay Board (LD)
100
1
2
Data Relay Board (CU)
11 connectors
Common Relay Board
2 connectors
Digital Board
9 connectors
Data Relay Board (CD)
11 connectors
Data Relay Board (CU)
3 screws
Common Relay Board
15 screws
Digital Board
4 screws
Data Relay Board (CD)
3 screws
2
3
Data Relay Board (RU)
Data Relay Board (RD)
Data Relay Board (RU)
Data Relay Board (RD)
3 screws
PDP-505MX
3
4
8 connectors
High Voltage
Board
9 connectors
8 connectors
4 screws
High Voltage
Board
15 screws
4 screws
4