Question about Mitsubishi WS-65807 65" Rear Projection Television

4 Answers

Convergence problem w/ red horizontal only-WS-65807

I'm crushed. Just bought this TV second hand but lightly used. It worked great when I checked it out in the sellers home. Had to move it home by truck; tried to be gentle but there was some jostling getting it in. Turned set on and convergence was off. I went into the convergence adjustment menu and found that all convergence control appears to work except red horizontal. Blue vert and horiz are fine, and red vert is adjustable as well. So, given the limited nature of the adjustment problem, any chance a service mode setting would help, or is it likely the IC chip is bad and needs replacing? Or could this also be a solder problem caused by the move? Thanks for your help!!

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  • hotspur77 Sep 10, 2007

    Thanks Techman. Hopefully I'm on the right path and will probably bring a pro in to help with solder etc. I would like to be well prepared, so I'll ask a couple more questions about some other things have now happened: first, the bowtie effect has appeared a twice on powerup (but not every time) then disappeared after the set warmed up. Also, when credits were rolling on the screen during a movie I could see image shift with the words moving slightly (but noticeably) side to side. Is it possible that during the move the projectors (or mirrors perhaps) were jolted out of place, or does all this still spell convergence issues from solder, etc.

    Maybe I'm looking at a complete convergence and other picture related calibration...if so what should I expect in terms of cost. 100, 200? More? Thanks for your help!

  • hotspur77 Sep 10, 2007

    Thanks again. One - maybe last - question. I work in a technical environment with an electrical engineering group and could likely get the board resoldered here. Is the culprit simple enough to pull without causing issues? I'd prefer to try that and go to the IC boards with a repair tech only if needed. What do you think? Thanks.

  • hotspur77 Sep 11, 2007

    Sounds great if it's not too big an undertaking. Definitely would like to save the $$. Would I need a manual for the IC replacement, or is there a basic procedure I could follow? And once done, are there any other adjustments to bring everything to proper calibration? Thx.

  • hotspur77 Sep 13, 2007

    Thanks much Techman! Now I'm off to track down the right OEM part and get this thing fixed...

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I have about 40 thin vertical lines over the picture from top to bottom. I have been an electronics service tech for over 40 years but retired for ten Have adequit equipment. Can you point me in the right direction. External radiation has been eliminated.

Thanks,
faucon22

Posted on Mar 10, 2008

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Troylove, Thanks. I hate to sound so basic, but how do I get to the option menu and enter those numeric codes? When I use the remote and select menu, I get a set of options that only respond by moving the adjust key. And if I press the number pad it does nothing. If I do this outside the menu, it acts like I'm trying to change the TV channel or antenna mode. I must be missing the trick or magic combination for getting into the correct menus. Thx.

Posted on Sep 14, 2007

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OPTION MENU "MENU 8270" SERVICE MENU "MENU 8257" CONVERGENCE MENU "MENU 8259, 4 FINE, 5 COARSE, 6 MISC." YOU CAN TRY THIS ALSO, But sounds like you need to replace parts

Posted on Sep 13, 2007

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Do not try to adjust anything yet!! Adjustments do not get out of alighnment all of a suddenly. The convergence adjustments are there to do minor aging alighnments. I would first check for bad solder connections on the convergence IC's first.

Posted on Sep 09, 2007

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  • Larry  Dillon
    Larry Dillon Sep 10, 2007

    It certainly does sound lke all convergence. If the tech does just resolder the board, the cost should run you about 150 bucks or so. If the IC's indeed do have to be replaced, you should be looking at , at least 300 to 400 bucks.

  • Larry  Dillon
    Larry Dillon Sep 10, 2007

    Sure, it is easy to pull out the board, but if you are going that far why not simply get the right IC's from mcmelectronics and replace them while the board is out.

  • Larry  Dillon
    Larry Dillon Sep 13, 2007

    There should be not much calibration if you buy the right convergence IC's and not the cheapo Types. You can tell the cheap ones because they do not have the word Sanyo label on them. Those are aftermarket types of IC's or maybe even the factory rejects. If they are marked with the letter T after the number, they are the cheap china made parts, But they have started to leave off the T because of the rep. and recently we have seen a large influx of inexpensive electronics as well as all goods that are second rate coming from China. Kinda like Back in the 60s when everything labeled Made In Japan was cheapo stuff, but this china stuff is even worse!

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1 Answer

For past 6 Months The scren was bowing Horizontally and now it has sever ghosting.. What to do this TV is about 8 years old Model Number WS-65807


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.
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You can get a repair kit with parts and instructions from www.TvRepairKits.com

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OPTION MENU "MENU 8270" SERVICE MENU "MENU 8257" CONVERGENCE MENU "MENU 8259, 4 FINE, 5 COARSE, 6 MISC." Then you can also check by:This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB.

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