Question about Mitsubishi WD-52525 52" Rear Projection HDTV
I've removed the back panel on the TV in order to access the power supply and check the capacitors. How do I remove the power supply? Is it all one unit? Does the entire bottom left section come out together? I'd appreciate any help. After reading where others had the same problem, I'd like to check the capacitors and see if that's a problem before taking to a technician.
I have a rca d52w19 had no sound or picture.green light on power button would flash 3 times then stop i just replaced the 2200f 16v green cap on power board (if the top has popped up its bad)now i get picture and sound.but i have the Blue flickering light.let me know if you find out what is causing this.
Posted on Mar 23, 2008
You will need the service manual in order to get that chassis out. once out it is an easy repair to replace the capacitors yourself. I just did one the other day. You will need the service manual for sure it will save you alot of money on repairs. heres a link where you can get the factory service manual.
Posted on Mar 19, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Jun 18, 2012 | Mitsubishi LT-46133 46 in. HDTV-Ready LCD...
Assuming this is a flat panel LCD TV, most often, this symptom is a result of a failed POWER SUPPLY circuit board inside your set.
One quick way to test this is to remove the rear access panel on the TV and check the power supply circuit board for any scorched / bulging / leaking electrolytic capacitors. If you see any evidence of this, then replace the power supply circuit board with a new one, since this is the most often the source of the trouble. The fact that your TV was actually smoking means the damage should be obvious and the problem area relatively easy to spot.
Here are a few link to images which show what faulty capacitors often look like:
You can usually find replacement supply circuit boards online by searching for your TV's model number either on EBAY or at an online parts supplier.
Here is a link to one normally reliable online parts supplier, although as you can see, they do not currently have that power supply circuit board in stock:
Just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information and items at the website indicated.
The repair / replacement procedure is not extremely difficult if you have some basic electrical safety knowledge and some basic electronics / mechanical repair skills.
You will need to unplug the power cord from the unit, lay the TV screen side down on something soft and flat like a bed if necessary, and then remove the rear access panel or the entire rear cover as required in order to access the circuit boards inside.
When you remove the rear cover and access the circuit boards inside, just check the part number that is printed right on your circuit boards and confirm that they exactly match the ones provided in the online listings. Also make sure that any part you order is labelled "TESTED WORKING" in the condition description. Any part with a condition description of "AS IS" is probably faulty itself as well.
Then unclip and remove the various electrical wire connectors leading to the power supply circuit boards. Then remove the screws securing the circuit board to the TV frame and then remove the power supply circuit board. Be sure to avoid touching any large capacitors on the circuit board which can retain a nasty charge even after the unit is unplugged.
Then just screw in the new circuit board and connect all the wire bundles to their appropriate connectors on the new circuit board and then replace the rear cover. Then plug in the power cord and test.
Here is a link to another Expert's solution to a similar problem which includes links to his excellent and informative set of LCD TV / MONITOR TROUBLESHOOTING GUIDES:
These guides will give you some idea of the various problems with LCD TVs and monitors and the associated repair procedures.
If you choose to rate BUD MARTIN's troubleshooting tips by clicking on the YES THIS WAS HELPFUL icon on his solution page at the above link, then I thank you very much for your time and consideration.
Please comment back here to this page if you have any details to add, have any questions, have difficulty with the links, or just require further general assistance and I will respond as soon as I see it.
I hope that was helpful to you, good luck.
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