Pioneer PDP-42A3HD Training & Troubleshooting Manual page 98

Put on connectors and cables of good Board.
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(Caution) Be sure to put on Heat Sink after assembling Data Relay Board
Data Relay Board (RU)
Data Relay Board (LU)
8 connectors 9 connectors
Common Relay Board
1 connector
High Voltage
Board
6 connectors
Digital Board
7 connectors
Data Relay Board (RD)
Data Relay Board (LD)
9 connectors
8 connectors
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