The remote control for my Sony lbt-lx10av is playing up a lot, especially the volume buttons. Which universal remote would be suitable to use with this stereo?

Francisco Mauricio G

• 1551 Answers
• Posted on Feb 11, 2009

SOURCE: my lbt-xgrs sony full remot

Always be the audio amplifier IC fried need to be replaced

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SOURCE: Im having problems with my

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as another possible root cause forintermittent shutdown.

Grubhead

• 5755 Answers
• Posted on Dec 14, 2011

SOURCE: I have sony LBT-XG900Av. The

I think the problem will be somekind of audio IC that controls volume and other aspects of the sound has failed. Not a job for an amateur to fix as it will almost certainly involve the desoldering and refitting of multi-pin microchip. I would take it to your nearest Sony Service center.