Question about Mitsubishi VS-45607 45" Rear Projection Television

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How do I replace all 21 Capacitors?

It seems i have the same problems as every one else. My TV must warm up and then no more horizontal lines. I can not afford the repair, so how or were can I find out how to replace these 21 capacitors?

Posted by Jt1976 on

  • Anonymous Dec 31, 2007

    like wise...have the rolling picture when warm up it clears.

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Read threads here or ctechnicians.com

Posted on Dec 22, 2007

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Why I have a thin line across the screen in my TV model Panasonic TC 21. After replacing the vertical IC the horizontal line across the screen reduced to few inches and not as it was earlier. vertica

First, You should to replace by original part, then you should check the voltages on power supply, and check the voltage for vertical IC based on datasheet, also check the voltages on vertical section including yoke and last you should check the ESR capacitors on vertical section.
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Horizontal lines across tv

If your LCD TV or monitor has stopped working, or is displaying one of the following
symptoms, then it's a candidate for some new capacitors
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can
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If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life
of your monitor or TV by several years.
Check the cables, connectors and connections.
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Picture goes to a single horizontal line.

Your problem is due to failure of the vertical scanning circuits in your TV. This is quite common and is caused by aging components. Generally drying out capacitors
You got to be careful not to leave it on too long when the picture collapses, it will burn a permanent line across the screen.
If you are an electronics expert you can fix it if you get a schematic. If not please don't attempt to reapir it yourself since there is high voltage in side the TV.
The problem may get worse with time.
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Sony FD Trinitron WEGA KV-24FS100 24" TV On/Off problems

Since this seems to recover there are 2 possibilities:

1) There are a number of poor solder connections on the main board that are causing enough of a circuit disruption to be detected as a problem. When the set "warms up", this seems to correct itself.

2) There are some defective capacitors in the horizontal circuit that again work sufficiently after warm up to allow the set to function.

If you are comfortable working inside the set and can solder, you should be able to fix this yourself.

Let me know if that is what you would like to do and I'll provide details.

If not, the parts required should not be more than $20. Add in the local labor rate for the total repair cost.

Dan
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Sounds like the 1000uf capacitors on the FMT board need replacing. This is a common symptom with that chassis. There are three 1000uf caps that fail on that PC Board
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Check for leaky capacitors in the vertical section of the TV or cold solder joints.
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Replace all electrolitic capacitors on the Proscan pcb.
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Picture has horizontal lines that move to middle of screen........

Just got this fixed. The problem is the 21 (yes, 21) main capacitors. It'll only get worse if they aren't replaced. The whole screen'll start jumping, multi-hour "warm up" times until you get a clear picture, maybe not even then... it isn't pretty. Just nip it in the bud now, and more power to you if you tackle it yourself. A good repair shop ought to be able to do this for under $400 if you can't.
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