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Power Supply Thanks for the response to the question looking for a power supply module for this unit. What does it take to get the old one out, and how long would it take to get it serviced?

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I've sent you all the details through email.

Posted on May 13, 2008


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I have an older 200x model Mitsubishi 1080i 46" rear projection TV that no longer turns on. When first powered up the power light on the front blinks in sequence to note that I have a bad power supply or...


Parts for older Mitsubishi are difficult to find. If you give me the complete model number I can check if the part is available online.

In the meanwhile please, try the two websites below.

Encompass Parts Distribution


PartStore.com


Feb 10, 2010 | Mitsubishi WT-46807 46" Rear Projection...

1 Answer

Hi i have a RCA P52937SG with the bowing of the screen


The problem may still be on the power supply board (one of the supplies may be missing and) when you unplug the supply both supplies go missing check the supply voltages and repost

Oct 14, 2009 | RCA P52937 52" Rear Projection Television

1 Answer

TV will not turn on. Clicking noise heard from inside.


These sets use what is called a "switch mode" power supply. In order for them to work there is a capacitor that "kick" starts the process. If that cap goes bad, the power supply will not start up. Also, there are other caps inside that maintain the oscillation required for the power supply to work. There are 2 options for you here.

1) Replace the entire power supply module.
2) Repair the existing one.

Sicne these types of power supplies are not the easies to diagnose or repair, I would suggest that you replace the power supply module. That should resolve the problem.

Please note that there are other causes of the reported problem, but hte power module becoming defective is the most common.

Dan

Feb 10, 2009 | Akai PT5492S 54" Rear Projection...

2 Answers

Daytek DT3220 power button flashes green 4 (5) times, no picture


The power supply voltages might look good on an oscilliscope or using a DC meter, but that doesn't really tell you if the supply is good.

Your TV has an unusual symptom, however 99% of the problems on these TVs are caused by the power supply. I have had 3220s that won't power on, the remote or controls on the TV won't work, or the unit blanks out and all sorts of other odd problems. The power supply can test fine, but if you substitute it the TV will work fine.
Sorry to say you're up a creek. The good news is that just about any 5,12,24V power supply for a 32:" TV will work if you are comfortable rewiring the connectors. I have done this a few times and rescued the TVs from an early grave (I'm actually just about to start on another one now). The pinout is written on the board, and make sure the power supply you want to use also has the pinouts marked on the board.

Nov 22, 2008 | Televison & Video

1 Answer

RCA P61960 projection screen. no picture, no sound. tries but shuts off.


It will depend on the Chassis number you have but it sounds like a bad Deflection module or a bad Convergence power supply module. The Convergence Power supply module is on the left looking from the back mounted above the deflection module. On newer models the picture tubes can short and put these sets into shut down mode ( Three Trys). Start by unplugging the CRT modules off the neck of the tubes one at a time. If it doesn't come on you have eliminated the tubes. There will be a Red and Black set of wires from the deflection module to the convergence power supply module. Unplug it. If it fires up then it's the convergence power supply module. If not it will probably be the deflection module. The flayback transformer is a common problem along with several bad caps towards the front of the board. Let me know if this fixes it.

Oct 02, 2008 | RCA P61960 61" Rear Projection Television

1 Answer

ATC336 Power Supply


Yes the symptoms of bad capacitors on the Power supply can mimic the symptoms of a failed DM3. Its alot better to try the capacitor change first, as they are a common source of failure and the price of the DM3 is very exspensive.

Jul 10, 2008 | RCA HD50LPW175 50" HDTV

3 Answers

Power supply for dmtech wt20xt lcd tv


I have DMtech 20" with intergrated DVD and had the same problem- blue light lit on power switch but no response on power up.
I noticed that when the power cord was unplugged from the back of the TV the green LED on the power supply would brighten and consequently dim when plugged back in. Sometimes the blue light on the power switch would strobe very quickly but you had to look carfully for this.
I repeatedly unplugged the DIN type power plug from the back of the TV untill the green light on the power supply stayed a constant bright and there was no strobing on the blue light on the front of the TV, when I powered the TV on at this point the button worked again and the tv powered up with the silly tune then life in the screen. I did have to do this a good few times (I'm tenacious) but it did work!!!!!
Hope this helps someone else, cheers.

Apr 11, 2008 | Televison & Video

2 Answers

Samsung 61" HDT5087S/HL


How old is the unit?
ever replaced the lamp?
Sounds like a major power supply failure
Hope you are under warranty
Samsung has lots of problems with this technology
Here is their phone for executive customer relations: 1-800-522-7341

Dec 30, 2007 | Samsung HLN617W 61" Rear Projection HDTV

2 Answers

Mitsubishi ws65513 rear projection tv not powering up


I have fixed three DM modules in the last 10 days........good thing you are getting a second opinion ! Change four caps in
DM module 1000mf/25v details available @..........
www.Chris@ChrisAndNat.com....................................T.

Nov 23, 2007 | Televison & Video

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