Question about Mitsubishi VS-50705 50" Rear Projection Television

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Mitsubishi VS-50705 Screen rolls and jumps, sound is fine. I've heard that there was problems with the capacitors on this model, a service manual or diagram showing me where to start looking for bad caps on pcb would be greatly appreciated. Thanks In Advance.

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  • Steve Fink
    Steve Fink Mar 31, 2008

    Don't see a PIP board, I think its part of the main PCB. Also "visually" checked all capacitors for signs of "swelling" or "leaking" but they all look fine.

  • Diane Reeves
    Diane Reeves May 27, 2008

    i have a mitsubishi projection big screen tv model # sv-5072 and the picture is distorted due to the fact the horizontal is rolling what do i need to do to fix it please help

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1 Answer

Does this set have PIP board ?

Posted on Mar 31, 2008

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Start up problem


Bill;

Cause 1
1. VERTICAL ROLLING, VERTICAL BLANKING BAR LOCKING IN THE MIDDLE OF THE PICTURE, ALSO MAY HAVE HORIZONTAL PULLING OR TEARING. CHECK C2C52 10 UFD @ 50 V OFF THE BASE OF Q2C51 ON THE SIGNAL PCB.

2. CHECK C2P05 100 UFD 16 V OFF PIN 3 OF IC2P01 AND IC2P01 PART # 270P466020 (9-VOLT REGULATOR). BOTH ARE ON THE SIGNAL PCB.
Replace all these if they look bad or not. If you can't do it yourself call a service Company and get an estimate, it should cost about $450 if they know what they are doing.
Thanks using FixYa, Big Irish.

Nov 21, 2009 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Vertical bars and lines run up and down the screen. Need service manual or parts outlet


There is no such thing as a "vertical sweep circuit board" in that set. The vertical circuit is part of the sweep module. And BTW that type of symptom is more often a power supply filtering problem anyway.

May 05, 2009 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Help please!


most likely a weak capacitor in the vertical deflection circuit or a solder joint.

Jul 14, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Rolling picture


Try replaceing capacitors C2C52 10uf 50V capacitor and also C2P05 100uf 16V capacitor. these are both on the signal board. It that doesnt correct the issue replace IC2P01 which is the 9volt regulator also located on the signal board. That should take care of your problem

Jun 08, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi VS-50705 convergence problem.


There should only be a couple of STKs, the R's are resistors, they STKs should cost under $20. This should be everything you are looking for. If you need anything else, let me know.

CHASSIS: VZ7
MODELS: VS-45605 / VS-50605 / VS-50705 / VS-55705 / VS-60705 / VS-70705

Ref # / Part # / Part Name & Description
IC8C01 267P141030 HIC- STK392-110
IC8C02 267P141030 HIC- STK392-110

Jun 05, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi VS-50705 50 in apparent convergence problem.


First thing a tech would do is solder around Convergence amps then check to see if you can align by menu then if can not. Change amps and maybe resistors.

May 19, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Black horizontal bars and jumpy picture.


Yes . Some of these caps are in the secondary of the power supply and some are on the signal board around 5v and 7v supply lines on the signal board . The 5 & 7 are mounted on heat sinks and the caps are right around there .Generally either 2.2uf or 4.7uf or the 47uf . Good luck

Dec 19, 2007 | Mitsubishi VS-50705 50" Rear Projection...

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Mitsubishi vs 5075


THIS MODEL IS EQUIPPED WITH A KEYBOARD LOCK FEATURE; THIS CAN BE MISTAKEN AS A NO POWER CONDITION. TO UNLOCK THE KEYBOARD PRESS AND HOLD THE "MENU" BUTTON ON THE FRONT PANEL FOR 10 SECONDS

Oct 11, 2007 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Main screen color seems overmodulating. PIP subfeed color fine. White like under black light.


rule number one about all vs chassis with vertical can pip boards take them out and throw them away i could fix one but you couldnt beleive me and it wouldnt be worth your while do a search on your modle number until you come up with instructions on how to add two caps to the pip board connector to bypass it until you do this you are wasting your time Mitsubishi ... we're still building Zeros

Dec 08, 2006 | Mitsubishi VS-50705 50" Rear Projection...

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