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 Electronics
 Electronics Repair
 Philips TV 27" problem
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andrejn
New Member

Canada
1 Posts

Posted - Nov 28 2007 :  2:38:15 PM  Show Profile  Reply with Quote
My TV was taking 10-15 minutes to turn on, it turned on and off repeatedly until it "warmed-up". To avoid the hassle i kept the TV on at all times. Then yesterday I accidentally turned it off and i haven't been able to turn it on since. When its plugged in it makes a high pitched sound. I opened it up but couldn't find anything obviously wrong with it, i did however find that the sound was coming from around the power supply. I have included a few pictures and a video, just follow the link below.

Thank you in advance for all your help.

Here is the link with the pics and the video
www.infected.ca/tv

audioguru
Nobel Prize Winner

Canada
4218 Posts

Posted - Nov 28 2007 :  3:38:19 PM  Show Profile  Reply with Quote
Don't you have a camera that takes clear pics?
Tou don't troubleshoot a TV from pics. You take voltage and signal measurements and compare them with the measurements in the service manual.
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cyclopsitis
Nobel Prize Winner

Canada
732 Posts

Posted - Nov 28 2007 :  11:22:28 PM  Show Profile  Click to see cyclopsitis's MSN Messenger address  Reply with Quote
Hey, Guru since you metnioned service manuals.. where do you get them from?

K
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audioguru
Nobel Prize Winner

Canada
4218 Posts

Posted - Nov 30 2007 :  4:19:14 PM  Show Profile  Reply with Quote
I keyed the model nimber of my Sony TV into Google. Many links wanted me to buy a service manual but I found a few for free. Google also linked to guys talking about the same TV and the same problem as mine.
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cyclopsitis
Nobel Prize Winner

Canada
732 Posts

Posted - Nov 30 2007 :  9:10:01 PM  Show Profile  Click to see cyclopsitis's MSN Messenger address  Reply with Quote
Hey Guru, thanks for taking the time to reply! I guess I'll just look there. I've been reading a book and the guy said to get a few service manuals so that I have them and he said if I can get them for free then all the better.

Thanks again
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mrgone
Nobel Prize Winner

USA
1176 Posts

Posted - Dec 31 2007 :  4:49:35 PM  Show Profile  Reply with Quote
Follow the Horizontal trail as in HV. That high pitch squeal is usually a leak somewhere. Look for arcing.
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