Mitsubishi WS-55315 55" Rear Projection HDTV-Ready Television Logo

Question about Mitsubishi WS-55315 55" Rear Projection HDTV-Ready Television

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Pink horizontal line when the tv is powered on.

I have a 55" misubishi projection tv (55315) that is about four years old. When I first turn my tv on there is a whistling sound and pink horizontal lines on the entire screen. The problem usually goes away in about 5-10 minutes but is starting to take a little longer.

Posted by Mat Rogers on

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Anonymous

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  • 1,153 Answers

1. White raster with no signal, washed out looking video with signal. Access the service menu, "menu 0357" use the audio button to select "video chroma" adjustments, use the video button to select item "40 - AGIW", use the adjust button to change the setting to 0, then press the enter button to store the change.

Posted on Aug 21, 2007

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Hi Mike,



First of all, thank you for contacting Fixya.com regarding on your TV problem.


Based on your description, it sounds to me that the picture of your TV is rolling from left to right (horizontally). If the symptoms remain the same in all inputs, then this is an indication of faulty signal board part no. 930b901003-55. You have to replace this board to resolve the issue. Click it HERE for the replacement.


Hope I helped you.

Have a nice day!


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Hi,

Appreciate the direct "Ask Me".

You description of "...no video but with audio..." could indicate a number of possibilities:
  • power supply section;
  • tuner
  • video amplifier/selector;
  • vertical section;
  • horizontal section .
Other ideas are:
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  • Since it has still sound, then the tuner is a secondary suspect;
  • Since the menu shows, then the vertical and horizontal would be highly unlikely.
  • which eaves us the video amplifier or electronic/soft selector as the most likely culprit.
Further diagnosis would 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.

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.
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Good Day afsho;

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 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) 1. Shutdown at power with self diagnosis error 2-2. Check for open fuses F9A04 and F9A05 part # 283P144080 on the +24 and -24 volt lines. If the fuses are open the convergence output circuit would be suspect. 2. Shutdown at power with self diagnosis error 2-1. At power on check for 12-volts DC at connector KH pin 8, if missing check IC9C51 part # 270P990010 and L9C.

good luck, big irish.
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