Question about Mitsubishi VS-50501 50" Rear Projection Television

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Mitsubishi projection Model # VS-50501A (Power cutout)

Hello, is the power up problem for VZ chasis similar in VS? I have a Mitsubishi projection Model # VS-50501A that cuts out after 2-3 seconds. It is 11 years old and I wonder if it is a project worth getting into. I have the TV apart on saw horses. Any thoughts?

Thank you, Kevin qfd333@comcast.net

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  • qfd333 Aug 19, 2008

    Hello, I tried that and I did not receive any lights (codes).

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2 Answers

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  • Mitsubishi Master
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They are fairly similar to each other, did you get a error code from the led by pressing menu and input both in together and holding for 5 seconds?

Posted on Aug 19, 2008

  • Sonny Berry
    Sonny Berry Aug 20, 2008

    okay that means it wasnt shutting down for protective reasons. Check the votage regulators and horizontal out put transistors first.

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  • 4 Answers

VZ4 Power Shutdown at Power on

1.) L902 (351P1550101) Inductor coil mounted to right front middle of power board (this was my problem fix component, all the others listed tested fine but are possibilities.
2.) D913 (Minifuse)(264P722010),
3.) Z901 (283P0390202), SF64 Diode next to C925 in secondary

4.) D5A09 (264P244030) Zener diode next to IC5A01

Posted on Nov 06, 2011

  • Richard Partin Nov 06, 2011

    Also helps to notice if the set will come on in a room below 72 degrees.

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Posted on Jan 02, 2017

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I have a Mitsubishi VS-50501A Rear projection TV. When I push the power button the green comes on for a few seconds then goes out. The TV will not power on.


This one may or may not have the self check:

when green light goes out on front of set press menu and input (device) buttons at same time and hold for at least 5 seconds and let go: if it has self check power light should blink a two digit error code and repeat it several times.

If no response it indicates some problem in main power supply (set is in shut down)

I need to know what skills you have; what I have seen mostly in these early sets is bad solder connections that develop on main boards; I can tell you where and what to look for but it involves getting at the boards and being able to solder.

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Good Day, qfd333;
To find suspected liquid the PCB's, remove the front speaker cover and the small board held on by 5-6 screws. Look at the first 3 to 5" on the PCB. Use bright light it's not always easy to see. If fluid is spotted remove the boards from the back of TV. Use small brush, like old tooth brush, and acetone. You can get acetone from hardware stores
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Problem #1) Convergence

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Example Photo:
5f6e85c.jpg
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Symptoms


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