Question about Mitsubishi VS-50703 50" Rear Projection Television

6 Answers

Lines top and bottom of screen

TV has always been great. I now have numeropus small lines at the top and bottom of my screen. Plus we are now getting blue shadows around text. I have heard it needs interior cleaning.

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  • tberrry Oct 06, 2008

    Other TV's in the house have appeared to be fine. I can verify this connection.

  • tberrry Oct 06, 2008

    The cable and connection are fine..

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6 Answers

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  • Master
  • 6,966 Answers

Hi,

Pls confirm the exact model number of your TV. Additionally, it would facilitate if you could also determine a Chassis Number if any.

If it were a conventional TV, then initial suspect would be a capacitor at the vertical section is about to fail. This is relatively an easy and cheap repair. Nonetheless, this of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional. Or consider the alternatives as proposed by the other experts.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 20, 2008

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  • Master
  • 507 Answers

Could be
Caps in the vert circuit and then vert output IC la7838 and 100uf@35v
Vertical output and associated capacitors and resistors

Posted on Oct 20, 2008

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  • Master
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This is the conversion IC , it is most common in all projection TV's , the IC is an STK type it will correct the problem
the IC is only about $30-$40
but to have a tech come and replace that IC is about $300 or more

electech

Posted on Oct 20, 2008

  • jason Oct 20, 2008

    also there will be some resistors to replace

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  • Master
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This is a complex repair and the exact cause cannot be determined with conducting tests and a manual inspection. If you have no experience with TV electronics or repairs, I would never recommend a DIY. Trying a DIY could, infact, actually make things worse in the long run.

In my honest opinion, it is better to send the TV to Mitsubishi and get it serviced. They will stand behind their repairs. If you feel the cost is unjustified, then best bet is to purchase a new set. In this case, you can attempt a DIY, if you feel inclined to do so..

Cheers!

Posted on Oct 06, 2008

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I don´t think so. You have a technical problem. Is your cable operator working ok?

Posted on Oct 06, 2008

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The PIP board is small and square and stands straight up on the main board. It plugs into a socket. It also has a ground wire that has to be unsoldered to remove it from the machine. It is located essentially in the middle of the main board near the rear of the set. Sorry I can't describe it any better. Go to http:\\www.tritronicsinc.com or call 1-800-638-3328 for parts. Thank you!!

Posted on Oct 06, 2008

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