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POWER FAILURE I HAVE A TOSHIBA LCD TV AND GOT BURNED THE IC AND FUSE,EVEN CHANGING A NEW ONE,CANNOT BE POWER ON.WHAT COULD BE THE PROBLEM?CAN IT BE FIX?THANKS.

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You must look around for the reson of this burning look for burnt resisttor--explosive capacitor-----short circuit capacitors----short of winding in pulse transformer-----circuit diagram will be helpful.

Posted on Aug 09, 2008

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Posted on Jan 02, 2017

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2 Answers

Vizio 55 inch TV "Vizio E550I-B2" is Darker on the left viewing side, replaced the Power Supply board. And the Screen is still dark on the left side. Any suggestions?


It is a common problem for this TV, it uses a Sharp LED display panel. The problem is the data buffer IC inside the panel ether shorted, or burned open.
Vizio offers a extended exchange warranty if you have the original sale slip.

For more information, you may contact Vizio directly.

Apr 24, 2017 | Vizio Televison & Video

1 Answer

Toshiba 37E200U LCD television


T5.0AH 250V used in this TV is a ceramic fuse Time delayed (Slow-Blow) and the dimensions are probably: 5 mm (3/16 in) x 20 mm (3/4 in). You just measure the old one.

Regards GJ

Jun 20, 2014 | Toshiba 37E200U 37 in TV

1 Answer

Power supply card PLHL-T722A, 2300KEG033A-F, had a blown fuse F101 (T1AH250VP). Replaced fuse with T1AL250V. Plugged tv into wall, and resistor R5 lit up and started smoking. Thus pulled plug out...


We sell a repair kit for this board, which has the fuse, resistor and the IC that usually fails along with them.

You can find it at http://www.coppelltvrepair.com .

I've seen that board fail in at least three different ways, though, and this is the least bothersome of them.

We offer a repair service and have about 90% success even with burned boards. You don't pay any service fees if we can't fix the board.

Finally, when available we also sell boards ready for use with a trade-in option. That ends up a little more costly than a repair, though.

Sep 03, 2013 | Philips 47PFL3603D LCD TV

2 Answers

46RV535U 46 in. HDTV LCD TV where is the fuse


There are several fuses on the power supply board.

Usually the one that fails is not the main AC line fuse (which is close to the AC line input), but the PFC fuse located, you guessed it, next to the PFC regulator IC on the board.

When the PFC fuse is blown (measuring open) you also need to replace the PFC IC and possibly other components on the board. Most of the time the PFC is sufficient though.

Here's a link for repair service for the board:
http://www.coppelltvrepair.com/p/751/toshiba-46rv535u-power-supply-board-repair-service-for-dead-refusing-to-power-tv-or-faint-display-problem

Also search there for the TV model, we may have repair kits or exchange services available!

Hope this helps!

Jul 30, 2012 | Toshiba Regza 46RV535U 46 in. LCD HDTV

2 Answers

No picture or sound


The 42RV530U is known to develop problems in both the power board and the main board. You can check out a power board repair service at
http://www.coppelltvrepair.com/p/442/repair-service-for-toshiba-42rv530u-power-board-75010942-dead-tv-or-clicking-on-and-off-problem
and you can also search for 42RV530U at http://blog.coppelltvrepair.com.
Hope this helps.

Jan 04, 2012 | Toshiba Regza 46RV535U 46 in. LCD HDTV

1 Answer

I have been trying to turn on my Toshiba 55HT1U television, but it will not come on. I get a little green power light but the screen is still black.


Hello, Thomas!
Looks, like there is an issue with inverter or inverters power supply(24v).
first thing to do: poke your set open, get to inverter make sure it has +24v in a main fuse. If so, in most cases: check fuse for continuity. Must have a multimeter to do that. Some LCD panels have 2 inverters: Master and slave. Known for frequent failure. Easy to determine: usually, on board IC chip bursts on failure. Or, if you really lucky: you may see "bloated" capacitors on those boards, as well on your power supply. I'd start with power supply, then check inverter(s). Good luck!
Thanks,
Alex.

Dec 20, 2011 | Toshiba Televison & Video

1 Answer

I have a Toshiba 26AV502R tv, was working yesterday and now it won't turn on? It's about a year old. What do I do to fix this?


the only thing you can try to do: unplug TV, let it "reset" for a minute or so, then plug it back in. If that won't help, means: surrender to repair service. for 1 year, even with 24/7 usage, there is a slim chance for "bloated" capacitors inside of TV's power supply, but quite a good chance of your main board failure. Now a days they quite compact, packed with high temperature producing IC chips, led-free solder, which has drawback of "fatigue" failure. Or, there might be power surge involved. In any case, except "lock up", appeal to TV repair service.
good luck,
Alex's Television,
215-806-5980.

Jul 16, 2011 | Toshiba 26AV502R 26 in. LCD HDTV

1 Answer

I'm not getting any audio whatsoever - whether it be the TV's own speakers or my headphones. Suggestions? Thanks.


Possible failure of the output IC in the Tv's audio section.
First of all open and check for possible failure of the main power supply to the output IC, Check if the series fuse/fusible resistor has opened, if after replacing the same issues come up then it is confirmed that the IC is defective.
If power comes to IC then check on the bias resistors around the IC or the feedback loop,-- capacitors in this section.

Aug 28, 2010 | Sharp LC19SB27UT LCD TV

2 Answers

Toshiba 57H81, power to transformer and flyback.


IF YOU REPLACED THE SAME PICO FUSE, YOU PROBABLY HAVE A BAD CONVERGENCE IC AGAIN . DID YOY SNUG UP THE IC TO THE HEAT SINK AND USE THERMAL HEAT COMPOUND ON THE NEW IC'S? ALSO CHECK SOLDER CONNECTIONS TO C810 AND C809 THE FUSE BY THE CAPACITORS MAY BE OPEN.

Jan 22, 2009 | Toshiba 57H81 57" Rear Projection...

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