Philips 25PT800A/19 Picture problem

[Romain Farkas]

Hello everybody,

I own a quite old Philips 25PT800A/19 (FL 1.17AA Chassis, Tuner
FQ916MF/LIF). It has been a wonderful TV for many years (I would
say... at least ten !), but nowadays, I've got a problem:

The picture has a vertical deformation. On the left and the right part
of the picture, it's curved with black space. Some kind of deflection
if I'm right. It makes some kind of curve to the picture. I hope the
description is good enough. If not, I'll try to add a picture. Any
ideas how to fix this ?

By the way, is there a way to get a power button a spare part
somewhere ?

Thank you very much,

- Romain Farkas

 

[Alain Beguin]

Romain Farkas wrote on 25/04/2004 in nl.hobby.elektronica

Hello everybody,

Hello, Romain,

This is usually caused by a bad soldering of driver bridge
coil(east/west circuit) 5521, on the large signal panel.
The one with the hot on it. Remove that print and look carefully for
bad solders around "every" transformer, especially the small ones.

Another cause, only with "cold" sets; replace c2611 by a 1ľF code is
4822 121 51319 (here in Belgium)

Be very carefull by removing that print, especially for residual high
voltage.
On the other hand, take note that ypu will have to unplug a lot of
wires and that they must be refitted "correctly" ;-)

Succes and best greetings

--
Alain Beguin: http://home.tiscali.be/a.beguin
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