Question about Mitsubishi VS-45603 45" Rear Projection Television

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Mitsubishi projection vs-4551C no picture but sound ok

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: Mitsubishi VS-5041 (TV turns on but no pic or sound)

Your problem is one and or 2 differant problems. The power regulator could have went bad because of the convergence IC have shorted. Seen this a thousand(easy that!)Times. All parts in this set are soldered in and are not user serviceable. look in your owners manual or call 800-332-2119 to get an authorized servicer to come and look at your problem . I wish i could tell you what to replace but theres the Extreme Hi voltage inside these sets even when they are not plugged in .. Good Luck

Posted on Jun 16, 2006

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  • 1153 Answers

SOURCE: mitsubishi model vs-5043

1. CHECK BASE BIAS VOLTAGE OF Q217, FOR 0 VDC (BIASED OFF) IF .7 VDC (BIASED ON) CHECK C268 (22 UFD 50 V) OFF C OF Q215 V-PROTECTOR ON THE SIGNAL PCB.

Posted on Aug 26, 2007

  • 1153 Answers

SOURCE: Mitsubishi VS-60609 50in. Rear Projection

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source. One of this will be your problem! Let me know.

Posted on Oct 09, 2007

Slinteriors
  • 8617 Answers

SOURCE: my mitsubishi vs 5071

You might have a bad PIP board, When you say NO picture. Is it totally blacked out or blacked out with "blue snow". The PIP has been alot of problems in this chassis and you will experience what your describing. Capacitors are the root of the PIP boards failure. Let me know if I can assist you further.

Posted on Jan 26, 2008

premtech
  • 934 Answers

SOURCE: Mitsubishi VS-5071 rear projection turns on, has audio but no video

That is a VZ3 chassis, similar to Mitsubishi models Ts-4545, Ts-5045, Ts-5545, Vs-4543, Vs-4544, Vs-5043, Vs-5044, Vs-5047, Vs-6043, Vs-6047 and has common failures in the vertical circuit, specifically vert Ic401 which is a La7845 which is usually caused by defective C402 100uf 50v and/or open 1.2 ohm 2 watt R510 next to FBT.
If not that check C268 off Q215 on signal board 22mf/50v and Ic200 on signal module Cxa2025s. However the vertical failure is more likely.
Bill

Posted on Sep 10, 2008

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It has been my experience with that model mitsubishi that the usual culprit is loss of vertical sweep. If the beams in the picture tubes stops moving up and down this is detected by the micro processor and the video is blanked, but the set is not shut down. The usual cause of loss of vertical sweep is bad solder connections on the deflection yokes or a failed vertical output IC.

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Sounds like bad convergence chip. I think you can get a kit to repair it at www.tvrepairkits.com

You need to be good with a soldering iron if you plan on doing this yourself.

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