hifi engine

no output in the speakers fpr sony ta d707

no output in the speakers fpr sony ta d707, what could be problem? it has stk 4197 mk 2 charles from lusaka zambia , africa



no output in the speakers fpr sony ta d707

Could be a bad module. The easiest test is to unsolder the pins of the audio module, power up, then see if the protection relay closes--if so, the module is bad. I don't have a schematic to see if yours has a protection relay.