The home theather system was brought in with the complain that the woofer is working but the surround speakers are not working.Disassembling the set,I noticed that one of the ic meant to power the surround speaker is burnt.
It uses three of this ic.The value is tda7265 and it is one of it that got burnt ;
it seems it was caused by an overvoltage.Replacing this ic corrected the fault and the surround speakers are now working perfectly.
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