20 Most Recent Mitsubishi WD-62725 62" Rear Projection HDTV-Ready Television - Page 5 Questions & Answers

You have some leaky caps in the sound section of your TV or a bad audio output chip.

Thats usually caused by failed capacitors on the Power board. The mitsubishi repair kit called the V26 Chassis DLP DM / Power repair kit will often repair that. Its available from www.tvrepairworld.com and contains the capacitors and the CD with repair instructions.

the tv is telling you it has an internal electronics problem that needs to be replaced you will have to have a repair tech look at it

Thas a very common problem for that model which happens when the power cord is unplugged. Failed caps on the DM and the Power boards wont re-charge when power is restored and the timer light blinks non stop. The V26 Chassis DLP DM / Power repair kit from www.tvrepairworld.com will usually repair that issue. The kit contains the capacitors and the CD with repair instructions.

Hi,
Let me know following info to diagnose problem.

1- Was old lamp dead/ broken that you decided to replace it?
2- What is label of light on tv front that remains constant red as tv has three lights.
3- Replacement lamp is original from Mitsubishi?
4- Is it Mitsubishi WD-62725 tv as shown in question heading or any model?

Thanks.

How old is the TV?

This is quite possible that there are dry soldering joints in the main board, the power supply sections, possibility of some capacitors that have changed value or is dry soldered.
I would suggest that you must remove the main board and do a good soldering of all the points suspected.
Make sure that all the connectors are tight, remove and plug back all connectors, clean the board, remove and plug back the lamp.
make sure the cooling is good and the fault is not linked with heat generation, if so clean the vents and allow flow of air.
Request that the work be carried out with caution specially when dealing in power circuits.
try this link for good soldering tips...Good Soldering tips.

The advice/tip given is with the belief that you are competent. You must attempt to do it yourself only if you are technically/logically able, especially when dealing with delicate devices, damaging while trying to open, Probing electrical/electronic circuits with high voltage or delicate components. Since the advice given by me is with the inputs provided and not based on a visual inspection, there can be further reviews required in some cases.

what do i do when this problem occurs ive already tryed to do the reset button but that didnt help at all?

Thats a common problem when the power goes out the weak caps can no longer charge and then the led will blink green non stop. www.tvrepairworld.com has the Mitsubishi V26 Chassis DLP DM/Power repair kit should solve that problem. The kit contains the capacitors and the CD with detailed repair instructions.

Failed caps on the DM and the Power boards the V26 Chassis DM/Power repair kit from www.tvrepairworld.com comes with instructions and the cas and will usually fix the blinking led.

defective DM assembly

Check C81A2, C81A3, C81B3 and C81B4 (1000 uFD, 16V, 105C) on the DM PCB.
Check C8F19, C8F21, C8F22 and C8F27 (1000 uFD, 16V, 105C) on the FMT PCB.
If any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C).

You can press the "DEVICE" and "MENU" keys on the front of the TV (not the remote) and the TV should flash an error code. Here is a chart.

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

If the code is lets say 36 the LED will flash 3 times then pause then 6 flashes.

thanks in advance for choosing Fixya for assistance,


here are initial test that you can do :





please post what error code

Try this:
1) turn on the TV
2) from the remote control press MENU 2,4,7,0 then ENTER
3) tv will state on screen that it is INITIALIZING
4) when done press the front reset button.
5) should be good to go! Let me know if this works

The blinking green light is the DM unit in the set booting up like a computer.

Several things can happen here--Research by model number with GOOGLE, model number and problems.

It is often called the blinking green light of death.

The most common problem is 4 filter caps in power supply (they run 7/24 and supply voltage to DM unit fail--also some fuses there.

If you look on the net you will find places that sell kit for this repair.

This is also one of a group of several Mitsubishi sets with this kind of problem--It is not the Lamp!

Some of these models develop so many problems Mitsubishi now sells a chassis replacement--includes power and several boards that develop bad caps.

Understand: Mitsubishi has a long history of caps failing in their sets, it goes back almost 30 years. I have seen older ones where over 20 filter caps were bad.

You can talk to Mitsubishi to see if chassis replacement is available for your set--this came about as a result of the threat of hundreds of people entering a class action lawsuit (several).

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