Was watching tv when screen just went blank. sound works fine, but screen is blank. no menu no channel number , nothing.no plugs are loose tried turning it off and unplugging it.still nothing.what could the problem be? and could i see a schematic so i can try to fix it. thank you.
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I have the 51 inch of this model and I have found that usually it give you some indication before going completely out. Like color problems, sound, or just video disappearing. Most of the time it will be the convergence amps going bad, but you should have seen some color distortion. If not then it could be the vertical output. TDA8177 needs replacing and check caps around and diode, If not this then look for open fuse in HV line to crt's. Also power supply fuse like 1900, 2004, 1300, etc.
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Your flyback has failed most likely...bad new is they are nearly impossible to find, This is a known issue on most of the models below. The site Tv Repair Kits can sometimes get replacements - but its not often.
This repair kit is known to work on Magnavox TV sets with the following Chassis/Model Numbers.
Wharfedale LCD3210HDAF this tv was working fine the night before ..
when i turned it on in the morning the screen came on then instantly
went blank .. although the sound is fine i am unable to get any on
screen including menu an volume information and of course can any one help ??
Here is th elink to Philips support page fro your TV. Turn on the TV, if it is working you should see the light of the back light lamp. If you are changing channels and hear audio from different channels it is a good bet you lamp is open. http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=60PP9202/17&slg=en&scy=US
I hv philips 21RF vardaan TV ,there is sound on AV channel. and the picture is blinking. even some menu setting have changed.. i tried using the service menu but cudnt understand anything. 2 new av channels have come.. av2 and front which were not present before. sound is not coming even on the other channels but picture is fine on them. only on the av1 channel it is blinking., the philips technision had solved this prob once by pressing some code by remote and i don't know the system code