Question about Mitsubishi WS-73713 73" Rear Projection Television

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Powers ON then OFF after only 6 seconds?

First, Thanks for helping me fix the initial Problem: I had the "Eternal Blinking Green Light". I took the box up to my TV Repair Store & had him replace the 4 "Popped like a Coke can" 15V 1000ui caps with 4 new 1000ui 35V caps. Then I brought it home & installed it.

Green light STOPPED blinking......Thanks a million! Now...when I Power ON the TV it comes ON for about 5-6 seconds clicks & Powers OFF on it's own. What the heck is going on? I have tired head.....I thought I had it fixed!

Please share with me what you think it might be or is. I reset the TV & pushed the MENU button for over 10 seconds....and still the same problem.

Silver Lining: At least we fixed the "Eternal Blinking Green Light".

Thanks in advance for your assistance & recommendation(s)....

Steve :)

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Re: Powers ON then OFF after only 6 seconds?

The caps you're describing are in the power supply of the DM and a very common problem. Another problem in that same box is the E2P module. The E2P is a small board towards the rear of the module plugged into the module with a multi-pin connector. Unplug the E2p and re-install the DM and see if the unit powers up... If it does the picture won't look very good but at least you'll know if the E2P is keeping it down.. If it still won't power you've eliminated the E2P as a porblem.
Next let's take a look at the error code for some clues. 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 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)
Then, let me know what you find...

Posted on Nov 29, 2007

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