LG HT356SD - Page 20

2-11
6. AMP Protection
OK.
NO
YES
"PROTECTION"
appears continuously on the FLD.
Replace IC101.
NO
YES
Is the IC101 pin54
"LOW" signal(0V)?
Replace the Q701 and Q702.
NO
YES
Is the Q701 and
Q702 normal?
YES
YES
After unplug power cord, connect again.
YES
Power on.
"PROTECTION" appears on the FLD.
Replace TI AMP IC(IC701, IC702)