Question about Mitsubishi WT-42315 42" TV

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Mitsybishi WS-65711 We have the same problem (shuts off - before every so often, now the power "clicks" on and immediately turns off) with our TV. What is the DM? Where do I find it on the TV?

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  • Musicman0517 Apr 05, 2008

    Terry,



    The symptoms are dfferent than when the Ic chip was bad the 1st time. The repair guy used a chip #STK 393-110. Is that a cheap, aftermarket chip??? If so, would if fry other chips/resistors/capacitors??? If we replace it, what are the chances the TV will work again?? Could I replace the chip myself? I have soldered pc boards before & have a small soldering iron.

    Thanks in advance

  • Musicman0517 Apr 05, 2008

    T,



    Could the ICs really be responsible for the set not turning on? Would other parts be damaged as well? It did not seem like the issue had anyting to do with temperature, ie: I would wake up in the morning, try to turn it on 10-20 times and eventually it would turn on and run all day with no problem...It would work flawlessly for a week or so and I would have to repeat the process again. There was a definite patern there. Now we get the green light for a second and it goes off! I have called a couple local repairman and they don't want to touch it! The TV is only 5 years old!



    I will pull the back/front off and check for a brand on the IC's.



    Thanks for the help



    Larry

  • Musicman0517 Apr 05, 2008

    T,



    I removed front & rear panel of set, slid out the pcb tray, checked out the IC (there appears to only be 1). I noticed that the heat sink has 4 screws holding it to the pcb, the 2 inside screws closest to the IC were loose & stripped! The heat sink along with the ic moves back & forth with very little force... There is also a wire with a loop terminal that is supposed to be fastened with one of the stripped screws. Anyway, I tightened the screws just before the point where they strip, plugged in the tv, waited for the reset sequence, turned it on and it worked! Is it possible that the guy who replaced th IC did a poor installation job? If so what's my next move? I do not feel confident in re-soldering the IC..



    Thanks again,



    Larry

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Dm module repairs relate more often to Mits Models that end
with # 13 Example = WS-65713....................For info.....
www.chrisandnat.com/projects/blinkingtv/blink.htm ..T.

Typical DM module repair is continuos blinking LED.......
Your symptom is different.........

Posted on Apr 04, 2008

  • 2 more comments 
  • Vista Electronics Apr 05, 2008

    Most likely,the convergence "chip" ( IC ) is out again as many

    repair shops use lessor quality than the Mfr. ...........OEM or

    better is the only way to go !.....................T.

  • Vista Electronics Apr 05, 2008

    STK393-110 is a generic part # off the part....price range can be

    10 to $30.00 wholesale with less than MFR spec.quality,the

    lower the price,the quicker the failure.If the MFR # is on the part

    package,they are warranting first quality or better, thus the repair holds up.These kinds of parts run hot & have a high failure rate if

    not top shelf quality.......................................ask you servicer

    if he used MITS OEM parts or generic.......................T.

  • Vista Electronics Apr 05, 2008

    Check soldered-in fuses in power supply since power LED won't stay on............F9A04,F9A05,etc...........................T.

  • Vista Electronics Apr 05, 2008

    If it works,don't fix it !...............With those tell-tale signs of poor

    workmanship, you will be changing the IC someday........let it be

    for now.......................Terry.

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4 Answers

Mitsybishi WS-65711


i believe i staed ina similiar case that you seem to be having a over heating of the circuit chips on the mother board. are the cooling fans in the set running.

Aug 30, 2008 | Mitsubishi WT-42315 42" TV

Tip

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Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711


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Would you like to bypass, defeat or reset your Mitsubishi 65711 HDTV Parental V-Chip parental lock? Have you forgotten your V-Chip passcode or password?

If you forget your V-Chip passcode, you can view the locked TV without entering your password.

When your passcode is requested, press the number 9 and the QV button on the original TV remote control at the same time. This process temporarily unlocks your TV.

When you enter the V-Chip Lock menu, pressing the number 9 and the QV button on the original TV remote control at the same time will delete your old password and prompt you to enter a new passcode. Pressing HOME at this time will cancel the entire passcode.

I hope that helps.
________________________________________
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on May 04, 2010 | Televison & Video

1 Answer

I have a Mitsubishi Tv, WS-65711. The colors have


Ur convergence it dead.Must change the convergence ICS.Know how to solders?Buy a convergence kit,use what in that kit.Tries these websites.Tv repair World.com,Tv Repair kits.

Nov 10, 2009 | Mitsubishi WS-65711 65" Rear Projection...

2 Answers

Mitsu Proj TV WS-65711 needs Converg IC chip. Part Co$t + labor?


There is either a pair of STK392-570's, or
a STK393-110. Probly also 1 or 2 pico fuses for the +/- 26v line in the power supply.
Parts aprox 80.00 to 90.00
Labor 150.00 to 180.00
Plus service call fee if any.
So figure it up from there. Labor cost does vary from location to location. I do feel confident that capasitors are not causing this problem in the way you explained the symptoms.
Hope this helps,
Skyassoc

Jun 18, 2009 | Mitsubishi WS-65711 65" Rear Projection...

Tip

Bypass Mitsubishi WS-65711 Front Lock


Bypass Mitsubishi WS-65711 Front Button Lock

Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711


952010d.gif



Would you like to bypass, defeat or reset your Mitsubishi HDTV WS-65711 Front Button lock?

If you have misplaced your remote control, and have engaged the Mitsubishi WS-65711 HDTV Front Button Lock, you can bypass the front button lock by pressing and holding the MENU button on the front panel for more than 8 seconds.

I hope that helps.
________________________________________
Mitsubishi WS-65711 Manual Download
Reset Mitsubishi WS-65711 VChip Password

on May 04, 2010 | Televison & Video

Tip

Mitsubishi WS-65711 Manual Download


Download Mitsubishi WS-65711 HDTV Manual

Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711

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Have you misplaced your Mitsubishi WS-65711 HDTV Owners Manual?

Would you like a digital, searchable, pdf version of the Mitsubishi WS-65711 HDTV Users Guide?

Follow this link to download a pdf version of the operations manual.

I hope that helps.
__________________________________________
Reset Mitsubishi WS-65711 VChip Password
Bypass Mitsubishi WS-65711 Front Lock

on May 04, 2010 | Televison & Video

1 Answer

TV Shuts off by iself!


Don't feel bad about Mits. All the projection companies and all the new TVs have markedly poorer reliability than the good old CRT types. You should see all the class action lawsuits against even some of the best companies!

The power supply section is not working.
Common possibilities are:
- Convergences amps have failed overloading the supply
- High-voltage section (flyback transformer) has failed
(happens sooner or later, about 8 years typical))
- CRT tube has failed overloading the supply
- Power surge has popped the power input circuit.
(Fuse, rectifier diodes, turn-on relay etc)
- One of a hundred of electrolytic capacitors has failed short overloading the supply. They dry out with age, are cheap to replace, but hard to find which one it is.
- Or any of many other possibilities.

In short, you need a experianced tech to troubleshoot this.

Feb 13, 2008 | Mitsubishi WS-65711 65" Rear Projection...

Tip

Mitsubishi WS-65711 Manual Download


Download Mitsubishi WS-65711 HDTV Manual

Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711

952010d.gif

Have you misplaced your Mitsubishi WS-65711 HDTV Owners Manual?

Would you like a digital, searchable, pdf version of the Mitsubishi WS-65711 HDTV Users Guide?

Follow this link to download a pdf version of the operations manual.

I hope that helps.
__________________________________________
Reset Mitsubishi WS-65711 VChip Password
Bypass Mitsubishi WS-65711 Front Lock

on May 04, 2010 | Mitsubishi WS-65711 65" Rear Projection...

Tip

Bypass Mitsubishi WS-65711 Front Lock


Bypass Mitsubishi WS-65711 Front Button Lock

Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711


952010d.gif



Would you like to bypass, defeat or reset your Mitsubishi HDTV WS-65711 Front Button lock?

If you have misplaced your remote control, and have engaged the Mitsubishi WS-65711 HDTV Front Button Lock, you can bypass the front button lock by pressing and holding the MENU button on the front panel for more than 8 seconds.

I hope that helps.
________________________________________
Mitsubishi WS-65711 Manual Download
Reset Mitsubishi WS-65711 VChip Password

on May 04, 2010 | Mitsubishi WS-65711 65" Rear Projection...

Tip

Reset Mitsubishi WS-65711 VChip Password


Bypass or Reset Mitsubishi WS-65711 HDTV V-Chip Password Lock

Models: WS-B55 / WS-48511 / WS-55511 / WS-55711 / WS-65511
Models: WS-65611 / WS-65711 / WS-65712 / WS-73711


952010d.gif



Would you like to bypass, defeat or reset your Mitsubishi 65711 HDTV Parental V-Chip parental lock? Have you forgotten your V-Chip passcode or password?

If you forget your V-Chip passcode, you can view the locked TV without entering your password.

When your passcode is requested, press the number 9 and the QV button on the original TV remote control at the same time. This process temporarily unlocks your TV.

When you enter the V-Chip Lock menu, pressing the number 9 and the QV button on the original TV remote control at the same time will delete your old password and prompt you to enter a new passcode. Pressing HOME at this time will cancel the entire passcode.

I hope that helps.
________________________________________
Mitsubishi WS-65711 Manual Download
Bypass Mitsubishi WS-65711 Front Lock

on May 04, 2010 | Mitsubishi WS-65711 65" Rear Projection...

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