Technics SCEH790 CD Shelf System "channel amplifier working" Questions

channel in your amplifier is out. Before you try anything else, switch the amp from 'stereo' to 'mono.' If the speakers come on, your amp is good and you simply have a bad connection somewhere between

working fine then 2 cables of one of the speakers came off by accident and now I can't get any sound at all to any ok the speakers I plug all right but I only get sound al the headphones my sys is JVC

...channel. Sometimes there are fuses which are accessible from outside the amplifier case which you may be able locate then replace. But if there are no fuses then the amplifier will need to go to a ...

...working, but no sound or blue night light that would normally activate when using the remote It is possible that the amplifier had encountered a fault with a higher current drain which had triggered ...

...amplifier problem. I had this problem before. It went into "Protect" mode and shut down. When I turned it back on, my left channel speakers made a buzzing noise and did the same thing again. I got it ...

...amplifier stage. Volume control rotates but has no effect. There is nothing audible from the speakers. The display light etc are on so the PSU is presumably OK. Powering on-off doesn't fix it. I ...

...fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the

...working. And I plugged them into the smaller speaker Jack, and they work fine. The subwoofer ports [bottom two ports indicated in purple(+) and black(-)] are dead. No sound AT ALL travels through. ...

...fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the

...the left speaker not working? answered previously duplicate post There could be a broken or shorted connection to the speaker The speaker could have failed The left channel amplifier could have ...