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Re: Why does my Teac receiver only light up the volume,...
Your receiver has developed an internal short circuit and the unit is shutting down to prevent further damage. You might want to check the power supply for problems since it is a hard working area and prone to failure.
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The errant switch, control or condition may change and you will suddenly release the amp's full power and possibly destroying your speakers. If a signal isn't audible at 1/2 volume it's probably not there.
Carefully examine the front panel for clues like a misplaced Mute or Tape Monitor control or Multichannel Analog Input selected.
There is a good chance that a common control may have developed a high-resistance or 'dead' spot through defect or idleness and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.
Turn the volume to something reasonable and see if that helped.
You have to enable them and turn the volume on them up separately with the speaker config, level trim, and up/down select buttons on the remote. You can also adjust the rear speaker delay time or just hit the test tone button and adjust the volume on each speaker separately as it goes through them one at a time...
check your power supply to make sure the correct amps and volts are there. check your speakers to verify the correct ohms for the receiver. if the ohms are to big you will shut down because it overdraws on the receiver.
I have a Teac ag-7700 and when I would try to power it on it would shut off. I did get it to turn on for about 10 minutes and then it shut off. Now when I try to power it on the light on volume dial stays lit but the LED does not light up and no sound through speakers.
You may have shorted the speaker wires.
Remove all wires from the output connections and make doubly
sure no strands are left there. Turn volume to zero and turn
the receiver on. If the problem persists, you probably fried
the output stage. Have it repaired.