Question about Mitsubishi WT-46807 46" Rear Projection Television

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How do I replace the fuses on a WT-46807 that protect the convergence circuit?

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There are no fuses going to the convergence board, the converegnce IC needs replaced.

Posted on Aug 08, 2011

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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...


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.

763826c.jpg

Oct 16, 2010 | Mitsubishi WT-46807 46" Rear Projection...

2 Answers

Two pulses, a pause and two pulses


two, then two blinks is error code for short protection. Do you know what it means?

It means most likely (98%) one of the two fuses that protect the convergence circuit in this set are blown.

I have instructions if you want to fix it--the 46 inch set you have listed is not the most easy to fix but for the problem you have-most shops are going to get 300 or more--you can if you are able to do it yourself do it for less than 30 dollars.

Let me know if you have questions or need instructions and I will help out.

If this helped out, rate this solution as I do this here for free.

SD TECH

Dec 14, 2009 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Mitsubishi model # wt-4609 .. won't come on... error code blinks two times pauses then two more


This is error code for short protection--95% of the time in this model it means one of the soldered in fuses that protect the convergence circuit is blown.

Both convergence chips and the blown fuse or fuses need to be located and replaced----if you give me the full correct model number I will tell you which parts it uses.

Some people are able to do this repair themselves--depending on model number you would begin by unplugging the set and testing the fuses for the convergence circuit--if either or both are bad the chips for the convergence circuit got them--just changing the fuse will do no good--and can do more harm.

Let me know model number ---wt- and 5 numbers usually

if this helped you, rate this solution as I do this here for FREE.

SD TECH

Nov 12, 2009 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

We were watching a DVD last night and heard a "pop"


2 BLINKS, A PAUSE AND 2 BLINKS is short protection------most common reason for this is one of the two pico fuses that protect the 2 STK-392-570 convergence IC'S is blown----set will detect this and shut down instantly.

Someone needs to locate the fuses (usually on center board in the middle and towards the back) and check them---they are not glass fuses but look like a resistor and are solid green in color---there should be 4 or 5 of them---the two closest to the back of the set should have location numbers printed on the top of the board and are FA904 and FA905---both will be marked on the board as 5 A--5 amp.

If either or both are gone--they and the two convergence chips need to be replaced.

Let me know if you need any more information about what this repair consists of.


Regards, SD TECH

Oct 07, 2009 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Mitsubishi WT-46807


MY FRIEND YOU HAVE A POWER SUPPLY PROBLEM AND MAYBE THE CONVERGENCE IC'S ARE BAD.THERE ARE A FEW TRANSISTOR IN THE POWER SUPPLY THAT HAVE TO BE REPLACED FIRST.




[email protected]

Sep 23, 2008 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Powering down


THAT'S CORRECT, YOU NEED SOMEONE WITH ELECTRONICS SKILLS TO FIX THIS PROBLEM. YOU HAVE A POWER SUPPLY PROBLEM AND I BELIEVE THAT THE CONVERGENCE IC'S HAVE TO BE REPLACED TOO.SO CALL AN EXPERT IT WON'T COST MORE THAN $350.00

Aug 25, 2008 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Wt-46807


IN YOUR CASE YOU HAVE COLD SOLDER, JUST PULL THE POWER SUPPLY AND YOU'LL SEE THE CONVERGENCE IC'S THEY ARE EASE TO INDENTIFY. THE NUMER STARTS WITH STK.....



[email protected]

Jul 23, 2008 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

TV is Ghosting


if convergence problem color would be bowed and off. If it is the convergence replace ic stks there are 2 inside tv if you could solder and good at this stuff. parts cost is 30.00 . if you are going to get fixed cost is 300.00 . www.part store.com has parts just give them model number .They can tell you part number.I would pay someone to do this it is trickey.

I think ghosting is ground problem on cable connections check connections and replace cable wire.


thanks doctor video

May 18, 2008 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Convergence?


From what i see in these posts most say its the IC ship to replace i will get one for my 46807 also but dont know where yet .
also i seen that if that dont fix it then there is a few resistor's to resolder someplace dont know where either..but i can make the repairs myself im handy CROSS fingers ..:)

Nov 24, 2007 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Magnavox 51mp392h


One of your convergence IC's has burned out or cracked loose and needs to be replaced or resoldered. This should be done by someone experienced in repairing and realigning convergence circuits.

Jul 11, 2007 | Mitsubishi WT-46807 46" Rear Projection...

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