Question about Mitsubishi WT-46807 46" Rear Projection Television

1 Answer

Mitsubishi model Wt-46807 Power shuts down after turning on. Tried the solution of pressing the menu & input buttons at same time for at least 5 seconds. Power light error code was 2 blinks/pause 2 blinks/ pause continously. How can I fix? Please help can't afford new tv now. Thanks, Diane

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  • 2 more comments 
  • Dimackee Oct 16, 2010

    Please help with locating the "PICO" fuses. The left side of the diagram inset is cut off.

    Thanks,

    diane

  • Dimackee Oct 16, 2010

    Also are pico fuses removeable or soldered in fuses

  • Dimackee Oct 16, 2010

    I was able to locate Green in color pico fuses marked F9a02, f9a04

  • Dimackee Oct 16, 2010

    I don't have a multimeter. How do I check if fuses are bad? Please email detailed instructions to Dimackee@hotmail.com on how to solder or replace fuses. How can I get to the circuit board easily/ It won't slide out/
    thks

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  • 10,594 Answers

Hi,
Error code 2-2 indicates "Short Protect Circuit" problem in tv.
Need to check pico fuses in power supply as one or two got blown due to bad convergence chips.
Below is an exploded view of tv chassis, power supply and convergence area has been marked to give you better idea to look for pico fuses.
Unplug tv from wall socket before to repair/check any thing inside tv.
Hope these info will help you.
Let me know if you have additional question.
Thanks.

Mitsubishi model Wt-46807 Power shuts - 763826c.jpg

Posted on Oct 16, 2010

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Oct 16, 2010

    Pico fuses has circuit location number so find F9A04 and F9A05, these are +24V and -24V fuses.
    Above picture is complete as I tried to show tv chassis. Below is bit detailed exploded view and area marked to locate above fuses, in fact you will see few more fuese like F9A02, F9A03 etc there so check them all with multimeter.
    Thanks.



  • Shahid Electronics
    Shahid Electronics Oct 16, 2010

    Pico fuse is soldered in circuit board and soldering work is required to replace them.

  • Shahid Electronics
    Shahid Electronics Oct 16, 2010

    It is not safe for you to involve yourself in tv repair if you have no knowledge, experience or necessary tools like multimeter, soldering iron etc
    I would recommend to have friend's help who has done that sort of work before. I gave you info about problem and its solution and it is not possible for me to send you minor details.
    Thanks.


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Do the self check this model has, when green power light comes on and then goes out on the front of the set press and hold both the Menu and Input (device) buttons at the same time for at least 5 seconds, then release both buttons and watch the power light, It will blink a two digit code, a error code.

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yes!

When you turn set on and power light goes out do the self check this set has.

On front of set when light goes out press and hold both the Menu and Input (device) buttons at the same time and hold both for at least five seconds and then release both.

Power light will blink a two digit error code like 2 blinks,2 blinks, a pause and repeat it several times.


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The power light will blink a two digit error code like 2 blinks, 2 blinks, a pause and repeat it several times.

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Please do the self check this set has:

When the power light comes on and goes out press and hold both the MENU and Input (also called Device) buttons at the same time for at least 5 seconds and then release both buttons.

The power light will blink a two digit error code--for example--2 blinks, a pause and 2 blinks.

Let me know what error code you find and I will tell you what it means and what may actually be the problem.

I am here to help people.

If this information has helped you rate this solution as I do this here for free.

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Replace Both of your STK ICs big black ICs will have # on them for example STK392-570 Call Mats for Parts 1-800-628-1118

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