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PCS
82 461
TROUBLE SHOOTING
TROUBLE CHECKING FLOW CHART
YES
Is "E-" shown on the display of Controller?
TROUBLE MODE A
NO
Able to change of Disc?
TROUBLE MODE B
YES
Does it play?
2
> TROUBLE MODE C
YES
1. TROUBLE MODE A
"E" displayed by mechanical trouble of changer Mechanism. (At first, check voltage of car battery.)
HOF cctv TOC Reading Defective
E-30...... Temperature Trouble Message
- Disc is reversed
- The temperature inside the changer goes above its
- Disc is stained
reference temperature.
- Chucking is imperfect
- Inner Circlelimit SW defective
- Feed Motor Mechanism defective
-P.U FPC Short has not removed
2. TROUBLE MODE B
(Disc change is not completed within 30 seconds.)
- Mechanism defective
- Magazine defective
- LOAD SW, UP SW, LOW SW, CLAMP SW, MAG SW defective.
-Q901, D901, D910 defective
3. TROUBLE MODE C
SYMPTOM
DEFECTIVE CIRCUIT
|
DEFECTIVE POINT
Disc Turning
| inferiority
Feed Motor Circuit
Check inner circlelimit SW and CS602 28pin
- Check voltage of |C801
- Check voltage of IC651 17, 18pin
Focus Search Circuit
APC
Check Q601 short or open
- Check IC601 62,63pin
- Check pickup
Disc Motor Circuit
- Check IC601 13pin and IC650 27pin
|
Power Supply Circuit
Check Q803, Q804
Check @550 and !IC551
Track Search | Tracking Servo Circuit
- Check voltage of TP. TE and adjustment Inferiority of SVR651
- Check IC650 15pin and 1IC651 13,14pin
—
Check 1C651 3, 4pin
Check pickup
Kick Pulse Circuit
Check !IC601 28, 29pin and {C650 14pin
- Check Feed Motor and Mechanism
RF Circuit
- Check waveform of TP RF
Mechanism
- Check eccentricity
of Mechanism and Disc rub
Audio Circuit
- Check 1C701,702
- Check Q700~703
|
- Check CP501
6. 7, 8pin
Feed Motor Circuit
- Check IC650 29pin
- 25 -
22RC026
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