Question about Toshiba 32" regza 32rv530u 1080p widescreen lcd hdtv - 16:9 15000:1 d

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My toshiba tv 32rv530u wont turn on

Tv wont turn on looks like a capacitor is blown on the power supply board.

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Replace the damaged capacitor and check first. If it do not help you, replace the power supply regulator board as card. It will be best, rather than trying to make the present one get repaired.

Posted on Jan 09, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jerryg50
  • 1667 Answers

SOURCE: Toshiba 42HP66 Picture fades in when turned on

To start, the module with the blown fuse will have to be replaced. The rest of the boards will have to be verified to know which other ones may have been the cause of the failure.

You will have to give the set out for factory service to have it working again.

Jerry G.

Posted on Jun 06, 2008

  • 15 Answers

SOURCE: goes on and off on and off permantly

your backlight is going out.. get it replaced

Posted on Feb 01, 2009

mbelectronic
  • 147 Answers

SOURCE: my tv wont turn on

yes he is right.the digital main pcb is the brain of the tv and has the microprocessor which
controls unplugging the tv and plugging it back in.you are resetting the micriprocessor which is part of the digital pcb.

Posted on Jul 17, 2009

  • 1 Answer

SOURCE: 42rv530u toshiba tv no sound no picture change

my tv picture has gone coloured and is flashing, how can i get the picture back to normal?

Posted on Dec 29, 2010

  • 347 Answers

SOURCE: I made a short video demonstrating the problem:

it is definately the main board buddy the power board will be fine what it is there is a common fault with this model of tv the boards are faulty on the earlier models ive seen this plenty times before i am a tv technician

Posted on Jan 20, 2011

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Where is the inverter board in the back of the Toshiba 32RV530U


For some models of Toshiba set; uses a Samsung display panel; the the inverter board will be inside the pane [built in type]. There is no repair to this type of display panel; other than replacement. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Jan 21, 2015 | Toshiba REGZA 32RV530U LCD TV

1 Answer

Toshiba regza 32rv530u powers on runs fine for a while then powers off?


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Nov 21, 2014 | Toshiba REGZA 32RV530U LCD TV

1 Answer

46"


Hi!
That's a clear indication that you have a bad power supply in your TV.
If you know how to DiY...I suggest you open your TV. Locate the power supply section, it is where the end of the power plug is connected. Replace all blown or bulge or leaked capacitors with same value. That will fix your TV problem.
The hardest part is to disassembling your TV cover, cause you will need to pry off the snap in lock at the edge of your TV.

Power supply board should look like this. Examine the capacitors in the board
power%281%29.jpg2_23_2012_11_31_16_am.png

After replacing blown capacitors...it should work again.
caps%281%29%281%29.jpg

Things you will need.
1. A plastic flat end screw or any object with flat ends....to fry off the cover
2. Soldering iron.
3. Soldering lead
4. Soldering pump.
5. Flat and Philip Screw
6. Replacement capacitors (of same value with the blown one) that you can buy to any electronics store.

Hope it helps

Mar 06, 2012 | Toshiba REGZA 47HL167 TV

1 Answer

Jvc hd-52g886 wont turn on


Hi!
That's a clear indication that you have a bad power supply in your TV.
If you know how to DiY...I suggest you open your TV. Locate the power supply section, it is where the end of the power plug is connected. Replace all blown or bulge or leaked capacitors with same value. That will fix your TV problem.
The hardest part is to disassembling your TV cover, cause you will need to pry off the snap in lock at the edge of your TV.

Power supply board should look like this. Examine the capacitors in the board
power%281%29.jpg2_23_2012_11_31_16_am.png

After replacing blown capacitors...it should work again.
caps%281%29%281%29.jpg

Things you will need.
1. A plastic flat end screw or any object with flat ends....to fry off the cover
2. Soldering iron.
3. Soldering lead
4. Soldering pump.
5. Flat and Philip Screw
6. Replacement capacitors (of same value with the blown one) that you can buy to any electronics store.

Hope it helps

Feb 23, 2012 | JVC HD-52G886 52" Rear Projection HDTV

1 Answer

My television wont come on


On old projection TV's that wont turn on could be a bunch of things.
So if you plug your tv in and you not only hear nothing but also see nothing aka flashing light or anything of that sort. You might want to look at your power supply board. This is high voltage and i mean it, unplug your TV for about 3 days before looking into the back. The power supply board is the one that the power cord goes too from the wall. I would look for any visual damage such as blown capacitors or fuses. If your not familiar with electronics, capacitors are the cylinder looking things that stick out of the board with silver caps. If those caps are bend upward at all, they are bad. Here is an example of bad capacitors.jkoop144_0.jpg

If you are getting signs of life from it I could be something else. If you give some more info i will glaldly tell you where to go from there

Sep 08, 2011 | RCA R52WM24 52" HDTV Projection Television

1 Answer

I have a toshiba cf35c40 it wont turn on or do any thing?


Hello,

Your TV is obviously having a power problem. Once a TV does not turn on, then it means it is having a power problem. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your TV not to power on. (Before you go any further, check the power wire/cord connected from the wall (plug) to the TV. This is to confirm if the power cord has not loosed contact from the wall.)

All these can be checked on the power supply board.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Regards.

May 29, 2011 | Toshiba CF35F40 35" TV

3 Answers

Samsung tv wont turn on stand by button just keeps clicking


To all who are having power supply issues: Samsung is now acknowledging a problem with faulty capacitors. I called 1 800 726-7864 and they said they would repair certain out-of-warranty TVs if the problem is related to the capacitors. I just called and they are sending a service rep out to diagnose the problem

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what the full model number of your tv?
the clicking sound is the result of a faulty power supply, some capacitors(blown heads) on the power supply for the output voltage rail of the mains board need to be replaced.

pls rate me!

Mar 20, 2009 | Televison & Video

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