Question about Sony KV-36FS16 36" TV

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Red color problem

Screen turns slightly red and darkens somewhat. Problem has been intermittent with a short duration but has now become solid. Tried adjusting the Video Menu controls including resetting each Picture Mode to its default settings. No help. Any ideas of what the problem cause may be? I.E. picture tube, circuit board, etc. I would like to determine whether it is worth repairing or should I use it as a boat anchor.

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Re: Red color problem

Dear mr newk

i study ur problem carefully i got that u have a big problem....


i have a solution of u r problem...

actully u have problem with u r circuit board...ok


there is a colour code ic which is responsible for all colour effect on ur telivision.

u r colour ic is not working properly...

just u have to do is to change ur colour ic on ur circuit board..

i m 100% sure that u r problem will be solved...


best regards & best of luck..


Posted on Oct 12, 2007

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I have a sony kp-53n77 rear projection tv i cleaned the lenses but i still have alittle to much red how can i clean up the color

Older projection set:

Not knowing exactly what it looks like I suggest two things: first in the menu look for convergence to see if it is off adjustment wise--it can be adjusted in customer mode to see if that helps.

Also either turn color all the way off (Black and white) to see what color the screen is with no color--if somewhat red you will need to turn the red screen control down--I can tell you where and how.

If screen is too red, red will be the prominent background color with color off or on.

Another easy way to LOOK is go to an unused video input---should only see "Input 1" for example in green and rest of screen should be black and not red to any degree.

Let me know with a comment here what you find.

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1 Answer

Sony trinitron xbr red diagonal lines appears then screen turns red and then shuts off. The red led light blinks 7 times. Please Help!!!

In cannot remember if this model of set uses on the CRT drive board a drive IC for the CRT colour channels, or if it uses descrete transistors. I have had component failure on this board that causes your description. The failure in your case would be with the red channel drive. Most of the time I had the semiconductors fail, and some of the support components.

Most of the time, a failure on this board is caused by some intermittant internal arching inside of the CRT. If this happens, the CRT is starting go defective.

Another cause of this fault is that the CRT is starting to go internaly shorted between the control grid and screen grid. As it heats up, the shorting becomes lower in resistance, and thus causes the pricture to go brighter until the protection turns it off. This would be with the red electron-gun.

With any failure with the CRT, the set is not worth to fix even if you can find a CRT for it.

Jerry G.

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1 Answer


Sounds like the red picture tube could be shorting internally which would cause the "all red" condition. In which case you'd have to replace the red tube. Are there horizontal (slightly slanted) lines through the picture as well when this is happening and a very very bright screen? If so it's most likely the tube.

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1 Answer

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you have a shorted green CRT that is affecting the other crts the short is internat to the crt that leaves what is called retrace lines. if the set is more than three years old then replace all three guns.

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Sony KV-32HS500

I recently got a similar TV with the same problem i thought my brother had taken something with a magent in it and sat it on top of his old TV when i got it it had the dis color up top right,
Well like most TVs you take a magnet, and it will change the color somewhat,
Well i tried it, tried to get the color as small as possible, carful not to get too close to the screen, i got it pretty close to being gone somewhat, and i turned the TV off, well i turned it back on, and guess what, the spot was completely gone, and never came back,

I suggest to try this ONLY if you have no other solutions to your problem,
im just stating what worked for me, and im not a tech,


Oct 20, 2007 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

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CRT is bad,I just stripped one for re-cycle yesterday.....T.

Oct 12, 2007 | Sony KV-36FS16 36" TV

2 Answers

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I would check the green signal all the wat to the display screen to determine is this is a signal problem or a system short. I would recommend that you take this set to a qualified electronics technician

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1 Answer

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The light flashing 5 times is normal at turn on as the set is monitoring current drain on the pictures tube cathodes. Any speakers near the set that have un-shielded magnets could possibly cause color issues.

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2 Answers

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Sounds like a bad capacitor or drive signal on the red tube. Could be the red drive transistor, or a cold solder connection on the crt board

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1 Answer

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it sounds like a b+ cap going bad and is intermittant that feeds the the video drivers on the crt pcb or the crt is shorting. I have seen intermittant shorts in crt before.

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