Teac Speakers
I have a Teac GH 500 receiver. I dont use it very often. Turned it on the other day and no sound at all.?
The EQ shows there is a signal coming thru but no sound.
I disconnected everything from the receiver but the speakers
and still no sound.
A working speaker protection circuit (Relay switch)disconnect the speakers. I’ll assume you hear a single click and not a click quickly followed by a second click and listen carefully, as the second “off” click is frequently not as loud as the “on” click.
Btw, output transistors/IC’s can blow w/o tripping the protection relay (they simply open). This is a good place to look for a no audio condition, and this failure is common across all brands and models high-current devices generally have higher failure rates. Do any sources other than tuner give sound? If not, a different part that may be suspect is the source switcher IC sometimes switching is done inside the control processor itself; otherwise there will be a secondary
IC that handles it. I don’t have the schemo for your model, so I can’t tell ya the specifics of yours. If the switcher circuit fails, the signal will not pass from the tuner or other input sources to the amp section, hence no audio
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