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Mitsubishi wd 52825 tv It wont turn on. The green light in front just keeps flashing.

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  • sofa-king898 Jul 27, 2008

    It just keeps flashing. It will flash all day.

  • sofa-king898 Jul 27, 2008

    Thank you. Do you know where I can get schematic for this TV so I know what you are talking about?

  • sofa-king898 Jul 27, 2008

    Thank you. Do you know where I can get schematic for this TV that tells me where the dm board is?

  • Anonymous Mar 28, 2014

    overheated television

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4 Answers

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  • Master
  • 2,071 Answers

Yes, Mitsubishi can be very good about compensation on OOWproblems that are repetitieve and catastrophic. You need to be communicatingwith consumer relations and you need to be diligent and patient. My experienceis that in the end, Mits takes care of their customers better than most, evenif the process is clumsy and at times very frustrating.

This can be a more complicated problem than just changing the DM. There areseveral things going on in this chassis that we have not yet figured out. Ijust had one of this model that we did the following on:

Changed the bulging caps on the DM.
Changed the DM per Mitsubishi instructions.
Changed the EEPROM.
Changed the bulging caps on 4 boards in the set.
Changed the reset ICs
Changed the Signal Board.
After none of this worked the soloution was to replace the entire chassis,which came in defective with a bad EEPROM. Mitsubishi paid for the parts.

Unfortunately, Mits is not supporting component level repair on these boardsand we have only limited block diagrams for some circuits, not completeschematics. This means that we are not able to figure out exactly what isfailing and troubleshoot the sets very effectively. Additionally, they don'thave enough of the boards and the chassis is on backorder. They won't tell uswhat they are doing to fix them, so we are largely stuck waiting for expensiveparts like an entire chassis. Mits is eating parts and in some cases labor whenwe could be field repairing them much more effectively if we just hadschemaitcs and some info. Stupid, short-sighted policies, IMO.

Keep calling customer relations, get file numbers, get tech log numbers fromyour servicer for any communication they have with Tech Support at Mitsubishi,get everyone's name that you talk to and keep good notes. Like I said, withpatience and diligence, you can likely get some accomodation from Mitsubishi.How long the fix will last is uncertain.

Also, be sure that you are using the coaxial line protection on your surgeprotector, and be sure that your in coming lines are grounded according toelectrical codes.
Re: Mitsubishi WD-52825 Blinking Status Light:
The first thing to do is a system reset using the recessedbutton on the front panel.
>>If that does not work, unplug the set and let it sit overnight.
>>If it still does not come up .Here's something that might also beuseful. After you turn on the set, and get the regular red blinky lights, holddown the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.

For example, 3 flashes, then 7 flashes = 37.

Here are the error codes, and the corresponding problem:

12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected
IMAGES

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***BAD or PUFFY 1000uF 16V 105C Capacitors*** (http://www.fixya.com/Uploads/images/483ECC9.gif)
647-UHE1A332MHD (Nichicon 10V 3300uF)
140-HTRL16V1000-RC (Xicon 16V 1000uF)
Enter your 1) Brand and 2) Model >>Here<<(https://www.manualsparadise.com/MainSearch.do)
(Thanks to HDTVoicer bcraig from this recent post(http://hdtvoice.com/voice/showpost.php?p=180367&postcount=19))

>>>To purchase a Service Manual: (DOWNLOAD Approx. $16.99)
ServiceManuals.net (http://www.servicemanuals.net/service.aspx)...(FAQ's)(http://www.servicemanuals.net/FAQ.aspx) or Call 1-800-566-1363

>>>Service Manuals, schematics, etc.<<<
ESI - eserviceinfo.com (http://www.eserviceinfo.com/) "Schematics 4Free"

Posted on Jul 27, 2008

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  • Master
  • 1,689 Answers

It is common for a cuircit board called the dm(digital module) to go bad in these units. this set has a keyboard lockout feature.

Press menu for 10 seconds on front panel. if that does not release control then u more than likely have a problem with dm module. there are several bullitens about this and several things a tech can do to repair this set.

by willtab

just a head's up, getting this repaied my cost a little big.

good luck

Posted on Jul 27, 2008

  • marlon john madrid
    marlon john madrid Jul 27, 2008

    the DM board is not shown in the manual, but the module should look like either of the 2 pictures below;









    good luck



    *thanks to lentec for the picture.

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  • Master
  • 6,487 Answers

You may need to change the convergence IC. First go into the power supply and check F9A04 and F9A05. If anyone of these are bad, do not replace them. Replace the convergence IC and then replace the blown fuse. Replacing the fuses without replaceing the IC first could result in more damage to your power supply.

Hope that helps.........

Posted on Jul 27, 2008

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  • Mitsubishi Master
  • 13,433 Answers

The flashing is a error code, how many times does it flash?

Posted on Jul 27, 2008

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Mitsubishi wd-62825 dlp


The WD62825 has a Digital Module located on the left side of the chassis looking at it from the rear of the set. It's housed in a metal box that can slide out of its holder after removing the trim screws.
The module has its own power supply board and there are a group of 16v/1000uf caps on that board which commonly fail causing the constant flashing standby light. Further back on the module is a small board about the size of a matchbook called the E2P module. Its SMT (Surface Mount Technology) caps also commonly fail which can cause the same symptoms. Techs can tell whether the E2P has failed by simply removing it, hooking the DM back up and trying to power the set. If it powers on the picture won't be much good - but at least you can tell what's keeping it down...
Back to the caps on the pwr board. If they've failed they usually will buldge visibly on top. And ESR is almost not necessary. In any event that's the nuts and bolts on this model.
Is it a job for a layman? Yes and no - you might strongly consider a tech if you don't feel comfortable removing all the connections that the DM has with the signal board. There are about six - multi-pin - wired connections to unplug and then sliding the DM out of the unit and carefully removing the screws and latching to take the DM top cover off...
Hope this helps.
Bill

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