3-14
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Only for training and service purposes.
ONE POINT REPAIR GUIDE
PROTECTION ERROR
No display or No Sound.
3-2. S(SHUT DOWN) PROTECTION
3-2-1. Solution
Replace AMP board.
3-2-2. How to troubleshoot (Countermeasure)
1) Check impedance of speaker unit.
If impedance of speaker unit has 2 Ω under, replace speaker unit.
2) If speaker unit is OK, replace AMP board.
3-2-3. Service hint (Any picture / Remark)
< AMP board top view >
CN701
CN702
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