JVC XR-D400SL, Руководство по обслуживанию

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XR-D400SL
1-12
The REC/PLAY disc tray (CD-R/RW drive) is composed of the mechanism unit (HXL-3BSPA) and the board
ass'y (HQA-030A).
Therefore, in case of a write failure, check the following points first before proceeding to the next step.
The trouble is not due to the disc defect.
The FPC cable connecting the mechanism unit and the board ass'y is not disconnected or unplugged.
1. Symptoms, which may be due to a defect in the mechanism unit (HXL-3BSPA)
(1) There is no trace of writing on the CD-R/RW disc.
(2) Error during write.
(3) Rotation stopped during write.
(4) Write completes normally but the written disc cannot be reproduced.
(5) Either the CD-R or the CD-RW disc cannot be written onto.
(6) Disc cannot be recognized as a recordable CD-R/RW disc.
(7) Abnormal noise from the mechanism during disc rotation.
(8) Disc will not rotate.
(9) Disc rotation is unstable (the rotation speed increases suddenly).
2. Symptoms, which may be due to a defect in the board ass'y (HQA-030A)
(1) Write operation will not start.
(2) Disc will not rotate.
(3) The access LEDs do not light or blink.
Write operation
Front Key/Indicator operation
Press the
POWER button ON.
Are the key
operations normal?
Are the
indicators normal?
Front key and indicator
operations are OK.
Are the
connections of the
CN001 and
CN111 normal?
Check Front and
Control boards.
Connect the
CN001 and CN111.
YES
YES
YES
NO
NO NO