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Sa-h91 center unit, se-b91 seperate amplifier they were both hooked u working fine and just shut off amp still turns on so does center unit but no sound will go through

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  • iori003 Jun 29, 2008

    broken receiver or amp

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4 Suggested Answers

  • 4234 Answers

SOURCE: Hi there .......my sa gx303P

These units are designed to only run the fan when necessary. If the unit is overheating, there is a problem in the detection circuit. This is a relatively inexpensive repair. If you are getting overheating when running at a low volume, it suggests that the speakers are not matched to the amp. In other words, the amp is expecting an 8 ohm load and is being presented a lower ohm load. This makes the amp work harder and generates more heat. Check the speaker wires and make sure that they are not frayed or crossing in any manner. Also, verify that the rating of the speakers is correct.

Update this with what you find.

Thanks,
Dan

Posted on Dec 02, 2008

CAYPIANAN
  • 227 Answers

SOURCE: The unit does not work

check the standby power supply first and then the main power supply.also check the output transistors and fuses your problem is in one of those points, normally the standby transformer goes bad, it is the small one right next to the big one.
good luck

Posted on May 22, 2009

  • 47 Answers

SOURCE: my Tchnics Sa-Da10 shuts down on what appears to

Ahh technics. Technics always had overheating problems, trust me. Every since they started, their amps would get so hot they would hurt to touch. The reason the fan is not coming on seams to be something inside the circuit board. I'm sure that technics could fix this. If the fan works out of the receiver, then it must not be the fan. ;P

I would maybe get a computer fan, and just put it on top of the receiver and turn it on, or send it in for fixing. Also, do you have to crank the volume to get the speakers to play at your volume, and does the impeadence match the receiver. Because you may be pushing the receiver too hard.

Posted on Oct 11, 2009

SOURCE: when I turn on my technics sa-gx amplifier I can't

Have you noticed if the speakers selector switch in the front panel is set to off ? That position for the switch is only suited to listen heaphones. Good Luck.
Flavio/BRAZIL

Posted on Jul 28, 2010

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