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Philips 29'' Matchline idtv TV colors bad

 
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gallopefs



Joined: 03 Jan 2006
Posts: 4

PostPosted: Tue Jan 03, 2006 9:22 am    Post subject: Philips 29'' Matchline idtv TV colors bad Reply with quote

Hello, the colors of a Philips 29'' Matchline idtv TV set are off: Where there was monochrome blue (e.g. when no reception) there are now concentric rings (green center, then red, then blue outer). On normal reception the colors are off, in a ringwise fashion, with the color pattern possibly related to the colors of the true picture.

Thanks in advance for any advice on this matter.
E. Gallopefs
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gary



Joined: 05 Apr 2005
Posts: 584
Location: MANCHESTER, uk

PostPosted: Tue Jan 03, 2006 5:05 pm    Post subject: Reply with quote

check for dry joints on the degauss thermistor, if none present replace the thermistor. i cannot tell you the circuit reference as you have not supplied the model number.
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gallopefs



Joined: 03 Jan 2006
Posts: 4

PostPosted: Tue Jan 03, 2006 5:21 pm    Post subject: matchline colors Reply with quote

gary wrote:
check for dry joints on the degauss thermistor, if none present replace the thermistor. i cannot tell you the circuit reference as you have not supplied the model number.


Gary, many thanks for the information! The TV is Philips 29'' Matchline idtv, model number 29PT9111/O1 (Belgian made).
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gallopefs



Joined: 03 Jan 2006
Posts: 4

PostPosted: Tue Jan 03, 2006 5:27 pm    Post subject: Re: matchline colors Reply with quote

gallopefs wrote:
gary wrote:
check for dry joints on the degauss thermistor, if none present replace the thermistor. i cannot tell you the circuit reference as you have not supplied the model number.


Gary, many thanks for the information! The TV is Philips 29'' Matchline idtv, model number 29PT9111/O1 (Belgian made).


Sorry - I meant 29PT9111/01.
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gary



Joined: 05 Apr 2005
Posts: 584
Location: MANCHESTER, uk

PostPosted: Tue Jan 03, 2006 5:54 pm    Post subject: Reply with quote

I AM SORRY I HAVE NO SERVICE INFO ON THAT CHASSIS ( GFL220E ). THERE IS A LARGE COIL SURROUNDING THE CRT, FOLLOW THE LEAD FROM THAT BACK TO THE MAIN PCB AND THE DEGAUSS THERMISTOR WILL BE VERY NEAR TO IT, PROBABLY VERY CLOSE TO WHERE THE MAINS INPUT FROM THE SW IS IN THE PSU, THE DEGAUSS THERMISTOR IS USUALLY A WHITE 3 PIN DEVICE.
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gallopefs



Joined: 03 Jan 2006
Posts: 4

PostPosted: Tue Jan 03, 2006 5:59 pm    Post subject: Reply with quote

Gary, many thanks. EG
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