Question about Mitsubishi WS-65907 65" Rear Projection Television

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NO PITCHER HAVE ONLY BLUE SCREEN DARK SCREEN IF COMPONET IS ON MENU WORKS TRYED SELF DIAG CODE 1-2 NO PROBLEMS CAN YOU HELP

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Mitsubishi Caps cause dim Picture faulty capacitor issue in the WD-52525 does seem to be prevalent at the 3 yr mark. At the bottom of this long-winded comment is a link to another discussion forum similar to this one where we obtained the service manual, chassis replacement manual, and encouragement to attempt the repair ourselves. My husband and I are not experts by any means, but my husband did have the tools from previous electronics projects to solder. So we took a chance on looking for bad caps. And I am here to say that I’m so glad we did because there were 2 obviously swollen caps that were easy to replace. The picture is now even better than when the problem first occurred since we dusted the mirrors and screens while we were in there. NO WINDEX. Just a dry micro-fiber cloth did the trick. We'll probably do that annually going forward.

According to descriptions from several people, the symptoms and degrading image due to capacitor failure can take various forms. In our case, we had a lamp blow out 2 wks before the TV died. And I do mean blow out, not burn out. We didn't get any lamp replacement warning. It flat out blew the 1-yr old bulb to shards of glass inside the casing. We replaced the bulb with a brand new one like good stewards of a DLP HDTV should do. A mere couple of weeks later we watched the image degrade over the course of an hour through various stages until the new lamp simply wouldn't light anymore and there was a solid black screen and solid red lamp light even though the lamp itself was fine. The trouble-shooting diagnostics (pressing MENU and DEVICE buttons on the front panel) gave the 3-4 code indicating a lamp abnormality. But ultimately the problem was solved by replacing the C9A37 & C9A38 caps (both are 10V 3300M-M 105C). We did not have to do any repairs on lamp or ballast components. The cost of 2 new capacitors from Digi-Key including shipping was about $14.50.

Some folks have stated that they were able to do the repair without removing the power supply chassis from the back of the TV. That was not the case for us. It was a bit intimidating at first. But we disassembled everything, labeling as we went, so we could freely inspect and access all boards on the power supply. There are some tiny, very hard-to-reach connections between the power supply and the ballast. For this reason, I also recommend disassembling those ballast components from the frame. They're simply too fragile to force in a very tight space when reconnecting.

Lastly, I am still pleased with this TV. The color and clarity can not be rivaled in my opinion. Even after having gone through this, compared to the problems reported in some of the other threads on issues with whatever other brand name or model you pick, this is a relatively easy repair that can be DIY. This was why we went DLP in the first place. And it is why we will probably remain DLP fans until they aren't made anymore. But next time, we’ll go with an extended warranty for sure!

I do wish Mitsubishi would at least acknowledge the issue. I don't even expect any reimbursement, replacement, refund or anything like that. I'd just like to know that THEY know there's a simple problem to resolve and that they're doing something about it.

http://www.avsforum.com/avs-vb/show...=418307&page=84

please mark the post as fixya!

Posted on Feb 15, 2008

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I have a dell Dimension 2300 and the images are very dark. I don't think it is from the monitor.


Try these steps: 1. Check the monitor settings. Access the On Screen Display (OSD) Menu System. Adjust the contrast and brightness using the control buttons in the monitor.
2. Run the monitor self test. Unplug the video cable from the computer (cable from monitor to the back of the computer). Usually it has a blue or white connector. Turn on the monitor alone. It should display the self test pattern (white, red, green & blue). If the images are dark in the self test, it is a problem with the monitor.
2. Rotate the monitor to face a different direction. This will help in eliminating sunlight glare which can cause poor picture quality.
3. Test your computer using another working monitor. If the problem occurs in a known good monitor, then it is a video card or motherboard (if your video card is integrated) problem.
I hope these options help.

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Greenish dark, with multible lines across top to bottom of the screen.


That looks like retrace lines. Anyway, you should try to adjust screen pot not focus pot. Make sure you are turning blue screen pot (there are 3 focus pots and 3 screen pots) and do it slowly. If you turn it too much, it will affect your grayscale

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This is the evap purge control circuit....proper diag requires alot of componet testing and equipment.... you might try replacing the evap control valve ( usually on the firewall area), and hope it was it...or get it properly diag at your dealer/shop..no simple answer/fix.......GL

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Hi Yacob

First Run a diags on the dell laptop. You can initiate it by pressing fn+power button together and start the laptop. It will go to the diags screen. Tell me if the diags pass or not and then we will troubleshoot further.
Thank you
Rakesh
Dell Laptop Expert

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1 Answer

Mits WS-55807 blue screen, steady green light no video


Good Day, luap356;

Look for fluid on the PCB's, if don't see any try this:

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 ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH.

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1 Answer

Sanyo AVM-3259S TV


First- On the back of your set, what jacks do you have your input pluged into? Press your input button on the set or the original remote untill that input shows up,stop there, that should cure your problem.

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1 Answer

Sony KDF60wf Projection TV


You either have a bad Blue CRT or a blue drive transistor

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Westinghouse lcd w32701


This sounds like bad inverter board.
Every time LCD goes from Standby to ON state - Inverter Board resets it’s self for approx. ~1 sec, during which time you should see blue screen.
Problem is that board detects problem with voltage/current on one of the seven transformers and shuts down automatically...
As to the costs:
- BestBuy repair service approx.. $600.00
- Buy new Inverter Board & repair LCD your self approx. $200.00
- Another option is to repair Inverter Board, but parts are sometimes hard to get...
Now for the DON"T TRY THIS AT HOME or AT YOUR OWN RISK solution:
-The cheapest method is to bypass protection circuit, by transferring good signal from working transformer (using 10nF/250V capacitor) to detection circuit at the faulty transformer.
Then watch movies on your LCD unlit BAD transformer totally BURNS-OUT.
This will be obvious by dark stripe about 1"-2" tall across your display.
Hopefully the only damage will be to the transformer and not CCFL (light behind your LCD), but when you are faced with a choice of using it for a while longer or throwing your LCD to garbage right now... to me this choice was simple.
Good LUCK.

Dec 15, 2007 | Westinghouse W32701 27 in. LCD HDTV

1 Answer

To dark


Hmm.. Your cellphone Leds could be broken.. :/
Try pressing the following keystrokes (and joystick for left/rigth):

Right, *, Left, Left, *, Left, *.

A new menu should be displayed on your screen.
Not sure of the english descriptions of these menus, I'll just tell you to enter the third menu item. (or press 3)
This is the test-menu for your cellphone. I certainly had much fun messing thru this menu, but for now try enter '1' for running a maindisplay-test. Your screen should cycle thru a colorful test, mainly displaying red, green and blue colors :)
second try the 2nd menu item, which test the lights/LEDs.
If this doesnt make your cellphone flash, on and off, with a 'Ok'-message, the LEDs may be out :/

Please reply if you tried this! :)

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