Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Me again I got the capacitors like you recommended and I took it a part per directions and I see this i a bit over my head. i do not know how to sauder. I am not sure even where to but these things on the board. Do you recommend a good service repairman? And what would be a far cost? My email address is michele9886@msn.com You have been very helpful and want to thank you for all your help thus far.

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Whats your zipcode and i may be able to locate a good repair shop

Posted on Jul 04, 2008

  • Sonny Berry
    Sonny Berry Jul 04, 2008



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1 Answer

Ws 55859 has audio but picture is black


This unit does not have a lamp, but 3 CRT's. Odds of all three tubes failing at once is very remote. I would look at the voltages that run to your CRT boards and see if they are low or have a load. You should also check your circuit boards on the bottom of set to see if the CRT's have been leaking glycol. If the board looks wet ot corroded, you are dead in the water.

Mar 20, 2013 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Green light(timer0 is blinking for last 12 hours . no picture . screen is totally dark


this means the DM board is not booting up. You will typically need 4-8 capacitors to fix this issue. you have to pull out the board and solder in new parts. let me know if you feel skilled enough to do this and I can give directions. The caps will usually bulge at the tops and are 1000uf .. mitsubishi recommends replacing with 680uf 16v caps..

if you do not want to repair yourself, a repair center can ship the chassis in for rebuild, total repair about 400 or 500 $

May 21, 2010 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

Projector will not power up, green blinking light, attempted to power down and back up also attempted to reset with no success. can there be anything else


You should check out the post on this subject, called green blinking light of death. It's not dead, it's easily fixable with a soldering tool. There's a post on this subject by Chris and Nat (solution #9 in a long line of not so useful solutions). We have an '03 that has a bit of a different layout than what they posted, but the principle was the same. Replace the capacitors and you are good to go! It took us less than $15 and less than two hours of not-so-intense work to get it going.

Feb 13, 2010 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

I get a loud pop through the speakers and at the same time the picture gets interference..This starts out to do this every 5 mins. then happens every min. or so. After tv sat for a week I turned it on and...


I strongly believe that you are having a component failing 'likely a bad capacitor' in the power supply. A capacitor is much like a battery that when it get's old it's unable to keep or hold the voltage charge it is suppose too. The discharging of the capacitor could be causing this issue. The only other issue is that you may have one of the three CRT's going. High Voltage discharge.
The only other thought is that it could even be your convergence board where the amplifiers they use is causing the problem.
Sony is great for having parts and a good TV repair like a Sony Service Center would be able to fix the problem. May cost you a bit, $200 or $300 possibly.
Blessings,
A/V Media Guy

Nov 20, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Capacitors for Toshiba Hyper box


Yes it will take care of numerous problems. Replace all 10mfd caps on the board.

Dec 11, 2008 | Toshiba 57H81 57" Rear Projection...

2 Answers

Rca d52w14 power off


Same problem. It would TRY to come on 3 times, but nothing.

Mine was the Capacitor (cp150) that others talk about down in some of the other postings. I replaced the capacitor (man, what a pain it was taking apart all those plugs, etc) but that was the problem. I upgraded to a 35v 2200uF because radio shack didn't carry the 16v 2200uF.

It took me about 2 hours to complete this task of unscrewing the 20 screws (star-head screws, btw) on the back of the unit, unplugging about 10 connections inside, just to get the Printed Circuit Board (PCB) to twist out so that I could get to the capacitor and do the soldering. I suggest that if you use the radio shack replacement that you locate some type of insulation (black high quality electrical tape will do in a pinch) to put around the leads, because the capacitors look different than the one that you take out and the size is a little bigger and you have to leave the leads longer because it goes in sideways and you don't want them touching the metal [_] piece later on and shorting out.

I'm a novice at this fixing my own stuff game and this is only my second attempt and thus far, thanks to THIS WEBSITE, those who I have followed the advice of has worked. This was much more difficult than the monitor that I repaired 6 weeks ago. Saved me $250 for a new one.

Fortunately, on this model TV, all of the plugs/ribbons that you have to undo to get the PCB to twist out, all only have only one place that they will fit back together in.

The only reason for my post is to tell you that if a city cop with very little basic understanding of circuitry can do it, you might can as well. The capacitor costs $4.89 and it took me about 2 hours total from the time I turned the TV around to work on it, until the time I set it back around and turn it on. I've no idea what a TV Repairman charges per hour, but for two hours of work, it would've been a healthy fee + the markup on that capacitor.

I have no idea what a flyback is but it costs $60 at that website that they advertise in other postings. I tried the capacitor because: A) it was a cheaper fix, and B) I felt like my unit was getting power because the green light would come on in front. Good Luck! -Tim (30117)

Oct 17, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Tv won't come on


I found this bit helpful (look at my comments at end):

My Mitsubishi WS-55613 (55" rear-projection HDTV) died Saturday, just when I tried to turn on the UNC/Kentucky game. It was exhibiting what I'd seen described before (found at another online HDTV forum) as what appears to be a very frequent problem that occurs in Mitsubishi rear-projection widescreen HDTV's, referred to as "The Blinking Green light of Death". This refers to the green LED on the front panel of the TV that normally blinks when turned on after a power failure or when unplugged: the green light is supposed to flash for about 1 minute while both microprocessors boot up: If it won't stop blinking it means that they aren't communicating w/each other, and you ain't got no TV to watch... frown.gif

About a year ago, I'd noticed and saved an article describing this issue, along with a repair procedure to replace the four (apparently inadequate) 1000uF/16 volt power supply capacitors in the "DM module" (one of the two onboard microprocessors). These capacitors are apparently undersized, in that they will eventually fail (usually after about 3 years) if and inevitably when there are voltage fluctuations in the circuit above 16 volts. (If you Google: "Mitsubishi + Blinking Green Light of Death", it's amazing how many other Mitsubishi rear-projection TV owners have experienced this problem.) It is recommended to install either 1000uF/25 volt or 1000uF/35 volt capacitors as replacements, so that they will be more than ample to handle any voltage spikes that will occur.

Since I have little/no experience repairing printed circuit boards, I was a bit intimidated to try this on my own, but was motivated by the one person at that forum that said he'd had to pay $600+ for the replacement DM module his set needed, along with about $150 for installation.

I went online to another HDTV forum and this time found two similar "fix" articles describing the same problem and correction, and one of these articles came complete with photos depicting the repair procedure. This led me to believe that this might actually a legit repair, as others had posted that they'd successfully repaired their TV's w/this procedure. On Sat. night I went to Radio Shack, bought the (4) 1000uF/35 volt capacitors recommended as replacements (they were out of the 1000uF/25 volt caps), and after taking the back of the TV apart and removing the faulty DM module, got my girlfriend Rene to help hold the DM module's printed circuit board while I desoldered the old capacitors and installed the new ones. (She was a remarkably patient assistant, I might add...)

Much to my dismay, after getting the TV put back together enough (I thought) to test it at about 12:30 a.m. Sunday, it would still not work, and exhibited the same "Blinking Green Light of Death". I went to bed VERY disappointed... crying.gif

Sunday morning, I set about taking it BACK apart, to see if I'd done something wrong or left something disconnected. I then realized that since I'd not installed the back cover plate for the DM module, which has (apparently critical!) grounding straps essential to the proper functioning of the DM module - the DM was not getting proper grounding. error.gif My brother, (who is an electronics tech for a local LED lighting manufacturer) came over before I reassembled the TV and also found a couple of "solder bridges" on a couple of the DM's printed circuit board components (sloppy soldering), which he feels might have also contibuted to the failure of the original power supply capacitors. I put it all back together again, plugged it in, and it fired right up! banana.gif

NOTE:
I went ahead and ordered a full kit online. Came with service manuals for the set and detailed pictures of how to do the repairs. Took me about 2 hours, but my Mitsubishi is up and running! contact:
servicemanuals13@gmail.com

Oct 06, 2008 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Where can I buy two capacitors for my Mitsubishi WD-52525 52 in?


Thats the best place to order them from, as they have the correct replacement cpacitors which are the high temp orgional capacitors. They should have which ever ones you need.

Sep 07, 2008 | Mitsubishi WD-52525 52" Rear Projection...

2 Answers

Convergance Module


Click HERE for a detailed explanation of how to discharge a capacitor.
Also, the convergence modules will be located on the heat sinks on the main board. Here is a pic of the modules on the heatsink:
49d51bb.jpg

But once again , be VERY careful there is enough charge in a tv capacitor to kill you and will probably kill the capacitor (if it has a high enough capacity) due to the extremely high current flowing through it if you do that. The normal procedure is to connect both lead with an appropriate resistance. And not only once, because large capacitors can spontaneously rebuild some residual charge after being discharged (still enough to give you a serious shock). Normally both leads are connected through a fixed capacitor discharge bridge, which stays on the leads while working on the system. Once ready for testing, the bridges are removed.

I would still recommend getting a TV technician to repair this.

May 29, 2008 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

Power problem


1)all TV's I service get the chassis pulled for good visual inspection and soldering any/all suspect connections,esp. any

active device mounted to a heatsink.

2)Check horiz drive circuit for weak capacitor.

3)Let me know if you are still on it.....T.

Oct 24, 2006 | Toshiba TZ55V61 55" Rear Projection...

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