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2-11
6. AMP Protection
YES
NO
OK.
"PROTECTION"
appears continuously on the FLD.
YES
NO
Replace IC101.
Is the IC101 pin54
"LOW" signal(0V)?
YES
NO
Replace the Q703, Q704 and Q705.
Is the Q703, Q704 and Q705 normal?
YES
YES
After unplug power cord, connect again.
YES
Power on.
"PROTECTION" appears on the FLD.
Replace TI AMP IC(IC701, IC702, IC703, IC704)
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