3-13
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ONE POINT REPAIR GUIDE
PROTECTION ERROR
No display or No Sound.
3-2. B(BURNT) PROTECTION
3-2-1. Solution
Replace AMP board.
3-2-2. How to troubleshoot (Countermeasure)
1)
Check voltage 12 V of IC700, IC701, IC702 at pin1~2, if 12 V has problem, refer to STEP 1-1 IC604 12 VA.
2) If 12 V is OK, replace AMP board.
3-2-3. Service hint (Any picture / Remark)
< AMP board top view >
IC700
IC701
IC702
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