Question about Sony KP-53HS10 TV

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Protective circuitry 54142F CC PCB

The problem with my TV has been diagnosed as this protective circuit. Where can I get a new or rebuilt board?

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Eugene Merritt

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Have you tried http://www.ptscorp.com/television.html?

Posted on Nov 13, 2007

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I have a 609 Intuitive washer that was dead. Controller fuse was blown, pump control FETs shorted out. Another smaller chip in pump control circuitry obviously dead (small crater in the top). Corrosion...


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merry christmas

sonic boom electronics australia

please take the time to rank this advice

thanks

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Sony trinitron xbr screen periodically goes black. The audio stays on but the video cuts out.


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Unfortunately, I can't suggest any place you might look if you want to try repairing this on your own. This kind of trouble usually needs to be diagnosed and repaired by a professional TV technician who has the service information to track it down.

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You will be watching the tv and the picture will go out, you have sound but no picture. If you turn it off for awhile it will come back on. Mitsubishi VS5043


Howdy,

Cause 1
1. REPLACE L5A00,IF COIL IS WRAPPED IN BLACK TAPE,WITH PT#351P138020, (THE NEW COIL SHOULD BE WRAPPED WITH YELLOW TAPE).THIS IS LOCATED ON THE MAIN-PCB.

2. CHECK FOR LEAKEY D5A21, PART # 264P045040, IN THE BEAM PROTECTION CIRCUIT ON THE MAIN PCB

3. CHECK PIN 6 OFF IC5A01 FOR 22.2 VOLTS DC IF LOW CHECK D5A09, PART # 264P244030 ON THE MAIN PCB.
4.
More than likely your TV has "COOLANT" (ethylene glycol) on the circuit boards. This fluid comes from the CRT's (picture tube) this fluid is used to keep the CRT's cool, such the name. This fluid from the CRT's leak when TV is on for long periods of time, the chamber expands and the seals leak.

One can remove this fluid by using "acetone" & small brush. The fluid is hard to see, use bright light, they spots can be smaller then a DIME. Also, the fluid can corrode the parts and traces on the boards. To protect the TV in future place heavy plastic or thick cardboard over affective area, make sure TV has proper air flow around TV.

If after the fluid has been removed and TV still does not work, call an Authorized Service Center to come out and repair TV after giving you an Written Estimate. The boards are not available.

Always try resetting the TV by unplugging it for one minute then plug back into A/C outlet and ALWAYS UNPLUG TV BEFORE ATTEMPTING ANY REPAIR ON THE TV.

Good Luck, Big IRISH.

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Mits VS-6071 Repairman removed a part and left never came back


it might be the digital tuner board, or an audio board did it come from the front or rear of the TV can you post a pic of it?

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