Question about Mitsubishi VS-50705 50" Rear Projection Television

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Black horizontal bars and jumpy picture.

I'm getting black horizontal bars and a jumpy picture on my VS 50705.  The picture is fine for a few seconds, then gets bars, then is fine for another few seconds.  Had a similar problem with an old tv and fixed it by changing out some capacitors.  Is it possible this has a similar solution?  And if so, where/which capacitors should I replace?

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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

Posted on Mar 04, 2008

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Posted on Jan 02, 2017

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1 Answer

Purple static lines and a jumpy picture


Your picture tube is about to go.
If it's still under warranty,take it back.
Hope this helps.

Nov 26, 2013 | Mitsubishi VS-45607 45" Rear Projection...

1 Answer

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

Screen gets horizontal lines and jumpy screen.


Your problem is capacitors CP204 and CP205 by the 9 volt regulator on the main board. Cp204 is a 47 microfard @ 50 volt and the other is 100 microfard@ 16 volts

Nov 13, 2008 | Mitsubishi VS-45607 45" Rear Projection...

2 Answers

VS-50705 Picture shrinks to the top of the screen. Now I have it in a room that is 60 degrees, no problems!


now a days, TV don't have replaceable parts any more. the next best thing is to replace the board. it could be the HV, horizontal or the valiance.

Oct 21, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi VS 50707 ( not 705)


I have the same TV built in 99. My problem is similar but the vertical hold gives out when the tv warms up about 5 minutes. I will attempt to locate the vertical hold circuit and replace any parts I suspects may be the problem. I suspect a cap is leaking or transitor around IC700 is degrading when warm.

Jul 31, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Misubishi VS-50705 50INCH


you would need the service manual to even begin to repair it yourself as it could be literally 50 different reasons why it isnt powering up. I would suggest getting a service manual at the following link , as they will email the manual to you after purchase and then they will provide free tech support to help you diagnose the actual problem , but its a hopeless cause without the service manual. Heres the link.
http://servicemanuals.vstore.ca/

May 16, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Mitsubishi VS-50705


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.

Sep 16, 2007 | Mitsubishi WD-62327 62" Rear Projection...

1 Answer

No Blue. Horizontal Lines.


Not to me, but it also depends on if you could do this yourself or not. And the area you are in sometimes is responsible for the cost being high.

Sep 02, 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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