Mitsubishi Ws-55511 Error 22 - Electrical - DIY Chatroom Home Improvement Forum

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Old 08-27-2011, 09:53 PM   #1
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Mitsubishi ws-55511 error 22

I replaced the stk 393-110 IC chip and the tv worked perfect for a day and a half... then... it shut off and would not come on. This is when I started getting the error code 22. I then replace the two 5 amp pico fuses f9a04 and f9a05 and it didn't fix the problem. I have since read that I should have replaced the power caps but am also reading that a closer match to my problem is the IC chip agaim. I used a generic chip and did not insist on the "sanyo" chip. Is there and educated opinion out there as to whether the cheaper chip is my problem or should I look elsewhere? Any appropriate help would be aprreciated. Thanks!!!


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Old 08-27-2011, 10:09 PM   #2
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There may be a electronic tech or similar here, but in general I would say this is a residential wiring and repair section of this forum.


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Old 08-28-2011, 01:41 AM   #3
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I would imagine that you need to check the power ballast appeared to be intact before even touching the IC for an Error 22 (short protect).

A little Google'ing resulted in the following series:
- Check horizontal output transistor
- Check diodes on horizontal sweet connection circuit
- Check power supply
- Check ICs on convergence board
- Check DM board (3300 mfd @ 16v)

Good luck.
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error code 22 , mitsubishi ws-55511

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