Question about Mitsubishi WT-46809 46" Rear Projection Television

7 Answers

Wt-46809 first off i have to say i d o ot under stand vey well how this is supposed to work.This the third and final time i am going to try to get help here( i have got alot of help but just when i think i am there i guess i hit the worng button). I have already replaced the ics and the pico fuses and the vertical ic and i am still gettig 2-3 error code please help.If i have made anyone upset before i didnt mean to not ask for more help i didnt know if i hit for more help that it would go against you. Thanks, Chris

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  • 4 more comments 
  • chris leck Oct 25, 2008

    Im sorry it is a mistubishi wt-46809 and i get a 2-3 error code meaning horizontal defelection failure.



    Thanks

  • chris leck Oct 25, 2008

    I have done what you have asked and i never took the flyback off but should i check them them anyways ?



    thanks

  • chris leck Oct 25, 2008

    It also does not seem i am gettign power from the fly back.



    thanks

  • chris leck Oct 26, 2008

    Its all stated above.



    thnaks

  • chris leck Oct 27, 2008

    I am not sure what i am doinq worng but when someone replies to my problem and asks a question i repond with a comment but i never hear back from them.

  • chris leck Oct 27, 2008

    I already have a copy of the service manual.thanks,

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7 Answers

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Ready2helpu, did you happen to check that second link before you posted it? This one:

http://pvbrick.com/htmlfiles/bottom/3/pages.php?id=1011

It goes to a page that gives absolutely NO information to help the user. Next time, rather than just cutting and pasting the links from Google search, you might want to check and see if they are any good.

Posted on Oct 27, 2008

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  • Mitsubishi Master
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Check for cold joints on the flyback trasformer, there is also a service setup procedure to adjust aligmnet that you must perform after replacing the STK.

Posted on Oct 27, 2008

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The failure is in the vertical deflection amplifier; a common cause and a good tech should be able to get it going again very easily.

Posted on Oct 25, 2008

  • mohammed marika thambi
    mohammed marika thambi Oct 26, 2008

    check whether voltage were correctly passing into video card ?

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  • 83 Answers

Download service manual for your tv from below link:

http://www.nodevice.com/manual/newmans/V18_Service_Manualpdf/get15995.html

Posted on Oct 25, 2008

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  • 208 Answers

Hi,
Can you tell what is the kind of problem you are experiencing ? and can you tell the error codes you are getting?
Thanx...

Posted on Oct 25, 2008

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When you said it was working but the convergence was off so you checked your work , well that means when you moved the board one or more solder joints have cracked or the pin in the solder is not connecting , also you are supposed to adjust the conversion settings in the service menu.
so resolder everything and check all the resistors values on the stk
let me know what you get (also resolder flyback pins real good)

Posted on Oct 25, 2008

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  • jason Oct 26, 2008

    then you will need to check to see if the voltage is going to the flyback , but first check the horizontal ocilating circut in the power section see if there is a problem with that

    I'll be back to check your progress



    electech

  • jason Oct 26, 2008

    also you will not get power from the flyback if the tv don't start up

  • jason Oct 26, 2008

    you should make sure all solder is good and sometimes have to resolder just to make sure it will not come undone

    have you checked the horizontal oscilating circut , and resoldered ?

  • jason Oct 26, 2008

    also do a voltage check in the stby( stand by) circut , make sure the voltage is there

    let me know what you have got from these tests

  • jason Oct 28, 2008

    i thiink refreshing the page will show you a new solution

    and i am here to help regardless of any money involved

    I am here to help , i am not here for the money

    so if you still want help you can also ask me directly

    have you resoldered and checked the resistor values on the STK's?

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  • 136 Answers

Give the proper model number and company of your unit and .
tell what error codes u receive after changing those ICs.
to help you further.
thanks.

Posted on Oct 25, 2008

  • 1 more comment 
  • ready2helpu Oct 25, 2008
  • ready2helpu Oct 25, 2008

    More than likely your TV has "COOLANT" (ethylene glycol) on the circuit boards. This fluid comes from the CRT's (picture tube) this fluid is used to keep the CRT's cool, such the name. This fluid from the CRT's leak when TV is on for long periods of time, the chamber expands and the seals leak.

    One can remove this fluid by using "acetone" & small brush. The fluid is hard to see, use bright light, they spots can be smaller then a DIME. Also, the fluid can corrode the parts and traces on the boards. To protect the TV in future place heavy plastic or thick cardboard over affective area, make sure TV has proper air flow around TV.

    If after the fluid has been removed and TV still does not work, call an Authorized Service Center to come out and repair TV after giving you an Written Estimate. The boards are not available.

    Always try resetting the TV by unplugging it for one minute then plug back into A/C outlet and ALWAYS UNPLUG TV BEFORE ATTEMPTING ANY REPAIR ON THE TV.

  • ready2helpu Oct 25, 2008

    http://pvbrick.com/htmlfiles/bottom/3/pa...

    also check out the above link



    thanks.

    feel free for further queries.



    keep us all updated to help you further.

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Troublshoot Mitsubishi wt 46809


Fuse will not be bad if green power light comes on and stays on--if it came on and went off there is a self check.

Likely issues: if no sound also-----problem is in either power supply or set is in shutdown---has a latch circuit.

I have another suggestion based on having worked on hundreds of these sets-----Look first directly under the picture tubes and above the main boards---is there a gray or black plastic tray running under them?

Let me know what you have tried etc by pressing the "make a comment button" here-----

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