TROUBLESHOOTING
Use the test mode which indicates trouble causes before repairing the unit. This mode records maximum 2 past error causes as codes. Refer them for repairing.
Preparations
If dusts and foreign materials are accumulated on the pickup lens, playback sounds can be skipped or the TOC (Table of Contains) can't be displayed. Clean the object lens and check the playback. When lens are dirty, do the following.
Turn off the power and wipe lens softly with a cleaning paper and a little marketing so as not to damage them. Do not touch lens with bare hands.
If the unit doesn't work.
If the unit doesn't start after cleaning the pickup objects lens lens, check the unit as follows.
Is the power supply turned on when the remote control 
button or main unit 
button is pressed ?
Yes
Does the display operate normally ?
Yes
Is playback state set ?
Yes
Is audio output normal ?
Yes
Is recording/playback operation normal ?
•Power is not turned on when the
/
button is pressed.
No
Is power turned on when the remote control 
button is pressed ?
No
Is operation normal when the main body button is pressed ?
No
Does the pin 63 of IC401 oscillate ?
No | Perform the check stated in item "Power is not turned on | ||
when the / | button is pressed". | ||
| |||
Perform the check stated in item "Abnormal display". No
Perform the check stated in item "Playback state cannot be
No set".
Perform the check stated in item "Audio playback circuit".
No
| No | Perform the check stated in item "Recording/playback |
| operation". | |
|
| |
Yes |
| • If "HOLD" appears, press and hold down STOP on |
|
| |
|
| the main unit and cancel the HOLD mode. |
Yes
Normal.
Yes | Check the remote control, headphone terminals on the | |
main unit (J703), IC401 and IC404. | ||
|
Replace XL401.
No
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