Question about Audio Players & Recorders
Sir, i have already changed the parts, as the technician of sony service centre insisted to change the optical laser, as the gear was broken, which was mounted on motor, so he changed the total unit and optical laser too, beside that he changed a card, which was attached rite behind the disc tray, which i think, it is video card. Now my hi fi sytem is working but, i want to knoe whether the technician has done rite thing to my system, and may i knoe what is the actual price of optical laser unit and video card, how to knoe it is originally belongs to sony? because, i found, on the motor as MADE IN CHINA.
You will find nearly all electronics are made in china so that isn't unusual. all I can suggest is to use a search engine like google or yahoo with the model number of your system with the name of the component part that was replaced. that will give you an idea of whether you were charged correctly. doing this, you WILL find lots of people selling these parts a lot cheaper than sony do - because they're not sony parts. they're copies or equivalents.
Posted on Jul 19, 2013
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Posted on Jan 02, 2017
SOURCE: I have not been using
it could be that your lens has lost its ability to read dvd discs but retains the abaility to read the audio cd you used. If this is the case (and a cleaning disc doesn't help) then I am afraid that the service centre was correct in its assumption.
Hope this helps.
Posted on May 08, 2011
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 a root cause for intermittent shutdown.
Posted on May 18, 2011
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