Question about Televison & Video
I have a Philips 46pp912a/05 rear projection tv, it worked but not a great picture, I cleaned a lot of dust from the main circuit boards and now it no longer powers on, starts on 1 green light then goes to 2 green lights and 1 red one, after a while all 3 start flashing which doesn't stop, ps, this is a UK tv and I am a novice, although I can solder should it need new capacitors. Checked all connections are fine on the boards, the 3 coloured bulbs no longer light up, there is no service manual available to download from the philips website, and they have not answered my email regarding this...any suggestions? thanks.
It may not be a fix but here goes,before this answer MAKE SURE THE POWER IS NOT ON, note where the switch is and follow the wire to main boaed, look for a plug on the end of the wire lift the plug and put it back on a couple of times also press the power seitch on and off do this a few times fast, hope this help's, paul.
Posted on Feb 14, 2014
Testimonial: "Hi, thanks for the suggestion Paul but no luck with that one."
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Posted on Jan 02, 2017
SOURCE: Hitachi 50EX20B Bigscreen TV
You can download a PDF from here: http://www.servicemanuals.net/results.aspx?type=SM&brand=0&model=50EX20B Make sure that the coolant is not leaking out onto the printed circuit boards. i have had the remote sensor cause this problem before and also I have had bad capacitors in the sweep and the main power supplies. Good Luck
Posted on Jun 14, 2007
on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.
Posted on Dec 15, 2007
Solved by resoldering some solder joints!!!!!!!
Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001
Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852
Symptoms January, 2009:
Total Cost to Repair about $10
Posted on Jan 05, 2009
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