No Remote Control Operation - Pioneer PDP-42A3HD Training & Troubleshooting Manual

12. Remocon
Remocon switch push but the key does not function
Preliminary Checkpoints
Check the Solder state and pin of Connector JP10
Check the Solder state in LED Board.
Check the I2C between Micom and EEPROM.
Check the Flash Memory or SDRAM.
Remocon is O.K. but
the Function does not
Check the IR Micom(Pin 76)
Check the Micom part
(IIC Comunication, other
Exchange the Digital Board
operate.
OK
Waveform 25
of IC SDA6001(U29)
OK
Control line)
OK
When you power
switch off,
the set off
OK
NG
Check Remocon output
and Power in LED Board
NG
Exchange the IC(U29)
NG
Exchange the IC(UP1)
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