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Re: I have the same blinking light and can't reset it
Hi my name is Eric,
I hope I can help you with your issue ,
The capacitors are located on the power supply , with the TV open the power supply is located inside the metal section . Alot of screws removed , slide the metal section back and remove the front part that slides straight up.
You will see four 1000uf caps that are bulged on top, replace any bulged caps you see. Install them as they are , watch the negative positive sides.
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Have you tried the reset button on the front of the tv, on the far left I believe? That probably won't solve your issue since this has been an infamous problem for Mitsubishi.
If the reset button doesn't work the most probable fix are the (12) 1000uF capacitors (4 on each board) on the Power Supply, FMT board and the DM board. There are several other replies from reputable repair people on this site for this problem on the wd-xx525 series.
You probably just need to replace the DM capacitors. You can get the V26 DM repair kit from www.tvrepairworld.com which has the capacitors and the Cd with instructions
I can almost guarantee that the circuit board(s) have bad capacitors on them. I repaired one last week that had 20 bad capacitors on 4 boards.
Fixed one the week before with 15 bad caps on two boards.
A repair shop may be able to replace the boards, but it may be expensive.
- I hope my diagnosis is wrong-
After changing a defective capacitor, my TV still would not power up. After using a solution I found on this site, I held the power and volume up button down on the TV itself for several seconds, the TV powered up normally. I did notice that you had to do this while the timer light was flashing. Doing so after it went out was not effective. I initially only replaced one capacitor which was noticeably defective, and the flashing green timer light eventually returned. I will be replacing all 7 capacitors and resetting the TV. As mentioned above, the capacitors may look good but in fact may be defective. These are high temp caps which breakdown under a load but function normally when cold. Several people have mentioned replacing the capacitors didn't fix the problem. It appears that you must replace and reset using this method to repair some of these TVs.
This is a very serious problem. The green blinking LED means the TV is reading its software but it can't complete the task. The cause is the premature failure of dozens of capacitors on several circuit boards in the TV. To properly fix this, the chassis needs to sent to Mitsubishi for rebuilding. You'll need to contact a Mitsubishi authorized service center to do this. This is expensive and takes quite a bit of time.
Either bad capacitors -vented - on power supply board or bad E2P eprom board on DM board.Probably the capacitors-4-1000Ufd and 2-3300ufd.You should get expert help from reputable tv shop.Not really do it yourself fix either way.
TRY TO GET TO THE MENU, SETUP, AND EDIT YOUR SETUP SO EVERYTHING IS DEFAULT. I TOOK A 2001 50" HOME LAST NIGHT, MY SLEEP TIMER LIGHT ON THE FRONT, BLINKED FOR A FEW MIN. THEN, YOU CAN TURN IT ON AND RESET.....HOPE IT HELPS.......????
There are (4) 1000uf @35V capacitors all together on the DM board that need to be replaced some models have 1000uf @ 16V but they are all right beside each other and all rated at 1000ufs the voltages will be stamped on the capacitor along with the uf ratings.