Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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WD-52525 with black and white little squares. it has sound.

Does somebody know about this problem? I replaced the lamp and the caps in power supply already.

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Tile or block pattern with no video or OSD. Suspect the FMT PCB part # 930B924002.

 

Posted on Oct 20, 2007

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Heard a big popping sound then the screen went black and the red light when on


Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

Jul 02, 2010 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Mitsubishi WD 52525 lamp replaced, no picture, red light


You have to take the TV apart. Pull the electrical chassis out and look for bad electrolytic caps on the boards. The red LED probably means the 2 - 3300UF caps on the power supply board are bad. You can tell if they are bad by the fact that their tops are puffed up and they may or may not be leaking brown fluid. Compare them against the other caps on the boards and you will see how they have flat tops.

BUT before you take the TV apart you can check the error codes by pushing "menu" and "Device" at the same time and holding for about 10 seconds. The status light will blink two numbers. ex. one flash pause two flashes is 12 Error Code Probable Cause

12 No error detected
22 Recovery from momentary Reset
32 Lamp Cover open
33 Air Filter Cover open
34 Lamp abnormality
35 Chassis Fan failure
36 Exhaust (Back Cover) or Lamp Ballast Fan failure
37 Engine (DMD or Lamp) Fan failure
38 Excess Lamp Temperature
39 Excess DMD Temperature
41 Short Detected
44 DVI Cable (between Chassis and Engine) disconnected


or use this table -

8566f47.jpg

You can buy replacement caps from Mouser electronics online. There are plenty of solutions detailing how to do this already posted.

Jan 09, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Lamp light on. replaced lamp and still no picture .


it sounds like possibly the 3300uf caps on the power supply.
take a look at them and see if they are puffy.

Jan 06, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Replaced lamp, sound but no picture


Try unplugging the set for 5 minutes and then replug it in, allow 70 seconds for it to boot up (LED stops blinking). See if it works then. If not press the input/device button and menu button at the same time read a 2 digit code (blinking led) flashes first # short pause and the flashes 2nd #. This will be necissary to determine your cause. Most common besides lamp is power supply caps that cause intermittant operation.

Dec 20, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Lamp power supply


most likely the main power supply board is bad and has badd 3300uf caps

Nov 15, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Mitsubishi WD-52525


check the 2 3300 mf/ 10 volt capacitors on power supply board.
visible examination of these caps will often show the top of the capacitor bubbled up.

Jun 11, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Mitsubishi WD-52525 with no video. sound ok. B&W squares pattern on pict.


hold the MENU and DEVICE buttons when turning on the TV and get error code

Oct 19, 2007 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

No picture


Lamps have been known to burn out the power supply to the DM assembly. If there is no visible damage to the lamp, your problem may be the power supply or the board. Good luck.

Oct 09, 2007 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Static picture or flashing colors pictures wd-52525


HEY AWOOD,THIS SYMPTOM IS DUE TO POWER CAPACITORS GOING BAD IN THE POWER SUPPLY AND THESE CAPS CAN CAUSE A COUPLE DIFFERENT SYMPTOMS,YOURS SEEMS TO BE THE MOST COMMON.IF YOU'RE TECHY ENOUGH YOU CAN REMOVE THE BACK AND GET ACCESS TO THE TWO PLUGS ON THE LITE ENGINE TO TEST (WITH A VOLTMETER) THE 5 VOLT SUPPLY ON I BELIEVE PLUG J19 PINS 1 AND 3.IF LOW THEN REPLACE 6 CAPACITORS ON POWER BD. YOU SHOULD BE ABLE TO SEE IF THEY ARE BAD JUST BY A VISUAL INSPECTION.GOOD LUCK JOE TV

Sep 19, 2007 | Mitsubishi WD-52525 52" Rear Projection...

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