JVC XR-D400SL
Service Manual

XR-D400SL

Troubleshooting (For repairing the audio CD dubbing)
POWER button
YES

ON

NO

Check the CN991 and S1034 on the Front board.

Does the POWER indicator light?
YES

NO

Are the pins and of the CN991 YES on the Front board short-circuited

Go to the "Power Supply Operation".

Can the tray be opened/closed with the OPEN/CLOSE button?
YES

NO

Go to the "OPEN/CLOSE Operation".

Can the SOURCE disc drive read the TOC of the CD?
YES

NO

Go to the "Reproduction Operation"

Can the REC/PLAY disc drive play the CD?
YES

NO

Is the audio output from NO the CD in the REC/PLAY disc drive?
YES

Go to the "Audio Operation".

Can the data be written in the REC/PLAY disc drive?
YES

NO

Go to the "Write Operation".

Check the general operations.

Are the front keys and indicators normal?

NO

Go to the "Front Key /Indicator Operation".

YES

OK

1-9