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Sony trinitron tv

One colour missing

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Check the video output section circuit for any loose solder or damaged component/s. Re-solder all the suspected solder terminals at this board, by applying a little more solder. This board can be located at the neck of the picture tube, will directly plugged on to it; can be pulled back to separate it for repair. The fault is knows as one 'one color predominant' screen. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts.

Posted on Dec 25, 2013

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Posted on Jan 02, 2017

  • 4234 Answers

SOURCE: Missing Green colour on 36" Sony FD Trinitron WEGA

This is not a problem that a reset will fix. THe 5 blinks is a code that indicates a problem with the AKB circuit. There is a possibility that the picture tube is starting to fail, but that is rare. If you are comfortable working inside the set where there are potentially dangerous high voltages even when unplugged, let me know and I will provide additional details and instructions for a couple of repair options.

Dan

Posted on Feb 24, 2009

  • 4234 Answers

SOURCE: I need copy of schematic drawing Sony Trinitron

Since the set recovers under some conditions, I would first look for poor solder connections. With a set of your vintage, it is common for some of the connections to become faulty. If you can solder, resolder any connections on the board that appear grainy or have rings. Please note that there are potentially dangerous high voltages present inside the set even when unplugged.

Keep us posted on your progress.

Dan

Posted on Mar 09, 2009

vljenterp81
  • 86 Answers

SOURCE: Green and yellow images appear to be orange on the screen

hello my fellow electronics tech. it seems that you know something about electronics. i would check the color transistors on the circuit board on the back of the crt neck. i believe it is supposed to be around 5v per transistor. one way to be sure is to match voltages with the other two amps and see if the green has no voltage. you then make a resistance check. make sure all power is off and the voltage has been drained from the set. check the caps by the color ic also with an esr, or use your ohmmeter.test your color ic for correct voltages that could cause erratic color problems. thank you very much and please rate my solution

Posted on Nov 17, 2009

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