1-24 (No.MB713<Rev.002>)
5.4
Amp protection
NO
YES
NO
YES
NO
YES
YES
YES
After unplug power cord, connect again.
YES
Power on.
"PROTECTION" appears on the FLD.
Replace TI AMP IC(IC701, IC702, IC703, IC704)
Replace the Q703, Q704 and Q705.
Is the Q703, Q704 and
Q705 normal?
Replace IC101.
Is the IC101 pin53
"LOW" signal(0V)?
OK.
"PROTECTION"
appears continuously on
the FLD.