Question about Sony DAV-DX375 System
Sounds like unit is in protect mode. This is usually caused by a problem in the amplifier section. Only way to fix is to replace the main board - hope it's under warranty, otherwise it's probably not worth fixing
Posted on Jan 04, 2013
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Posted on Jan 02, 2017
SOURCE: "Push Power'' and ''Protector"
my sony bravia is KLV-32S400A. i tried to stop the dvd playing and turn off the home theatre, but the tv is still on. suddenly there was a loud blast sound and the home theatre shows PUSH POWER PROTECTOR.
please help what should i do with it?
Posted on May 21, 2010
SOURCE: my problem for my sony
This is a generic indication of an internal problem. Please see the link below for an explanation. Post any additional questions you have here and I'll be happy to add more info.
Posted on Mar 09, 2011
Tips for a great answer:
Aug 30, 2011 | Sony DAV-DZ30 Hometheater System
Generally speaking, an amp protects 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.
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