electronics, repairs, service manuals and datasheets discussion community for the repairs professionals and technicians
FAQSearchMembersGroupsRegisterProfilePM'sLogin/Out
Sony KV-A2911S TV

 
Post new topic   This topic is locked: you cannot edit posts or make replies.    Electronic equipment repair and service manual search discussion Forum Index -> Equipment Repairs
View previous topic :: View next topic  
Author Message
robint
Guest





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.
Back to top
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!
Back to top
View user's profile Send private message Send e-mail Visit poster's website
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
Back to top
View user's profile Send private message
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
Back to top
View user's profile Send private message Send e-mail Visit poster's website
sheldonstv
Guest





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
Back to top
john
Guest





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
Back to top
Display posts from previous:   
Post new topic   This topic is locked: you cannot edit posts or make replies.    Electronic equipment repair and service manual search discussion Forum Index -> Equipment Repairs All times are GMT
Page 1 of 1

 
Jump to:  
You can post new topics in this forum
You can reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Електроника София - Service Manuals Free Download - Prikachi - Service Diagrams

Free TV Schematics Download - HARDW.net - Pinout Master - Jabse Search - Jabse.InK  - Pulsator

Connector Pinout Forum - Новини - SnimkiOt.com - безплатен DNS - Whois разузнаване - Poblizo.com : пътешествия