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Sony KV-A2911S TV

 
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robint
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PostPosted: Wed Jun 01, 2005 9:12 am    Post subject: Sony KV-A2911S TV Reply with quote

Tv starts in black and white then goes into colour after a few minutes, generally flicks between colour and B/W, syays in colour after about 15 to 30 minutes.
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Istvan Pocs



Joined: 17 Nov 2004
Posts: 28
Location: Budapest

PostPosted: Wed Jun 01, 2005 1:33 pm    Post subject: Reply with quote

Hi,

Swapping trimmercapacitors past quarz. Sorry english!
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gary



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

PostPosted: Tue Jun 07, 2005 1:23 pm    Post subject: Reply with quote

REPLACE TRIMMER CT301? WITH 15PF 50V CAP FOR LASTING CURE
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Istvan Pocs



Joined: 17 Nov 2004
Posts: 28
Location: Budapest

PostPosted: Wed Jun 08, 2005 4:50 am    Post subject: Reply with quote

Hi,

TDA 4650 21 pin: 8,86 Mhz quarz-trimmer PAL color adjust! The trims he's bad be.

Istvan
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sheldonstv
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PostPosted: Thu Jun 09, 2005 4:53 pm    Post subject: Reply with quote

Very Happy replace the trimmer on main pcb(ref osc) with a 15-20 pf capacitor-this is a stock fault and it should cure your problem
regards mike
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john
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PostPosted: Sat Aug 13, 2005 3:09 pm    Post subject: Re: Sony KV-A2911S TV Reply with quote

robint wrote:
Tv starts in black and white then goes into colour after a few minutes, generally flicks between colour and B/W, syays in colour after about 15 to 30 minutes.


There a small preset on the tube base panel which need a small tweak
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