Question about Standard (CRT) Televisions

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Mom (fixer of broken things)

Sony KP-53V15 Sound comes on picture is delayed (no distortion). Worse when colder so opened up the set warmed circuit board with hairdryer and it picture appears with much less delay. Have inspected the two fuses and soddering for any defects (Used 3x mag lens). Nothing I could see. Any suggestions other than buy a new tv. My service guys says its not worth him coming out because no replacement parts are available on the model. (Manufactured Nov 1993) Thanks, Ann S.

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Re: Mom (fixer of broken things)

Hi Ann,
So far, for what you have mentioned doing it is very proffesional, as in our shop we use a hair dryer to warm boards/components also. The other item you are missing is a can of freeze spray ( component cooler ), which is a substance, when sprayed on the board/component does just the opposite of your hair dryer, it cools the circuit. When we are looking for a thermal problem, as you are having, we heat one board at a time. When we have heated the right board and the problem corrects, we know we have isolated the bad board. Now we have to isolate the bad part and thats where the cooling Freeze Spray come in effect. You can spray a small area of the board and watch the effects of the picture to see if the problem reacures. If it does, then you can heat up that board again and ellimante the problem and again using your freeze spray, spray only a few components at a time, thus finding the bad part. It takes a few times sometime to isolate the problem, but when you do, the satisafaction of being able to repair you own set is worth the work ( thus being the " Mom, fixer of broken things". As a precaution, the freeze spray can freeze anything it come in contact with like ( small fingers, eyeballs, irrate husbands ears and childrens parts, so be extra careful when you use it) and always keep away from small children and irrate husbands. I hope this has helped and good luck
NC Electronic
Mills, Wyoming

Posted on Jan 06, 2008

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My TV (Sony KP-53HS10) TV recently experienced color problems. The problem seems to be that the 3 colors, blue green and red seem to be out of synchronization giving the picture a distorted or blured...

The problem might be the Convergence circuit went bad, generally there are 2 chips (part# starts with STK392 - something) that will need to be replaced, it involves de-soldering and soldering some tried doing themselves and made it worst. A local TV shop may charge from $300 to $475 depends on the labor service call and parts.

Good luck
N Sabre

Nov 08, 2009 | Sony KP-53HS10 TV

1 Answer

Standby light continuously flashes with no picture or sound

count the number of blinks; you may have to unplug the set and try to turn on again--if it does not blink in a sequence(3 blinks, a pause etc) the set is in shutdown and many things can cause this.

Aug 06, 2009 | Sony KP-53HS10 TV

1 Answer

Blacks out for 1-30 min. then back on. Standby light blinks 4x

I would suspect the circuit board around the HV transformer area to have a crack circuit print. Also look around in the vertical circuit for interment solder connections. But only do these things if you have some knowledge of TV circuit lay out. If you do not feel confident then call a professional. No sense in hurting yourself or damaging the the set worse.
Hope this helps,

Jun 22, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Hitachi43fdx01b had convergence issues, now screen is dead

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
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Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
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You can see some more examples and find a fix here

Nov 04, 2008 | Hitachi 43FDX01B TV

1 Answer

Tired with this sony tv

Sony doesn't want anyone to see a poor picture on a Sony tv so they have a circuit that blanks the video if there is a weak picture or any other problem concerning picture quality. My Sony factory Instructor told me this many many years ago. I'm feeling old...but anyway you need a technician. Sorry.


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1 Answer

Standby Red Light Flashing

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however i would check
Video out, IC7101, 7201, 7301 and others in C board circuit.
Q510, 516, 524 (A board).

There are actually three C boards, the CR, CG and CB boards. They are attached to the rear of the red, green and blue CRTs, respectively. I wouldnt attempt to repair the set myself. I would solicite the services of an authorized Sony servicenter.

Dec 26, 2007 | Sony KP-53HS10 TV

1 Answer

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does the timer light blink? how many times pause then blink again?

Dec 07, 2007 | Sony KP-53HS10 TV

1 Answer

Delay to see the picture

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Nov 29, 2007 | Sony KV-27XBR45 27" TV

1 Answer

No picture

does the red light give you a blinking code pause then code?

Sep 13, 2007 | Sony KP-53HS10 TV

1 Answer

Picture goes off an on "blinking" when turened on

Most likly is a cold solder connection in the horizontal oscilator circuit, a problem with the vertical sweep circuit, or could be in the video jungle circuit. Unless you know how to troubleshoot solid state electronics, A TV set is not the place to be experimenting in unless you wanna get seriously killed!! Call out a pro to assist you if you feel you like the set and dont mind investing a few hundred bucks. Good Luck

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