Check the cooling fan first.then soldering loos or dry soldaring points on power amp and power supply bords.not correct the problem replase power amp IC.

Defective Audio output IC or some times decfect in the protection Circut and power cct. 1 st desold the IC and switch the set. IF not the set on Pls apply ext +5 V supply to DC-Det pin of the mian board. If set on try trace the fault in the amplyfire cct board or main board.

ive also experienced that kind of an error and i think that it is caused by jamming of the cd changing mechanism.opening it up and removing all the cds in the cd deck should rectify the problem.a faulty power supply cable isalso a likely problem.

iwant telecomand for panasonic model sa vk 540.double caset ;cd ;tuner