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My Hisense 50H5G 50 inch Flat screen TV stopped powering on. The red indicator light comes on and cycle. Do I replace the power supply board or the main board. No obvious signs of bad caps.

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6ya6ya
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Posted on Jan 02, 2017

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Slinteriors
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SOURCE: Mitsubishi WD-62525 Red Status Light After Cap Replacement

which caps did you replace? As the normal repair for the first generation dlp is to replace the (4) 1000 uf caps. the (2) 2200 uf caps and the (2) 3300uf caps on the power pwb when you get the 34 error code.

Posted on Sep 11, 2008

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vinnyq
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SOURCE: 6 blinking red lights on my 50 inch phillips plasma.

If you see bad capicators, just replace the ones that appear to be bad. There are many different types of capicators on the power supply and there are different part number for each one. The good thing about capicators is they almost always list the ratings on the capacitor itself.

Check the Voltage rating (V) and the Farad ratings (F, usually μF), you can replace them with any one that has the same ratings. Make sure BOTH of them match the old ratings, you can purchase at just about any electronics store that carries electrical components such as RadioShack.

Posted on Oct 09, 2009

  • 418 Answers

SOURCE: flat screen tv problem

42PF7320A: 7 blinks is missing 8.6VDC from supply -- connector CN-1M46, pin 3 (out of 11 pins), goes from power supply to main/input board.

Posted on Apr 21, 2010

  • 8457 Answers

SOURCE: plasma 50 inches dont turn on

The power supply board is dead.Tries the websites like Shopjimmy.com,Ebay.com to buy the refurbish power supply board for the replacement.

Posted on Jun 22, 2010

bshldn
  • 736 Answers

SOURCE: I have Samsung UN46B8000XFXZA LED TV. After power

Yes based on your testing it appears that the power supply is at fault solely and you can opt to attempt a repair or replace it altogether. Unfortunately you will not be certain that the main board does not also need to be replaced until you have repaired the power supply.

Posted on Feb 05, 2011

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1 Answer

My Hisense 50 inch smart tv will not turn on. Power light shuts off when I hit the power button but my screen is black.


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main 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. 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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Sep 18, 2016 | Hisense Televison & Video

1 Answer

I have a Hisense 50h5g 50" tv, I have sound but a black screen it passed the flashlight test so I do have a picture just no backlight Iv replaced the power, tcon, and main boards, still have same prob


If the back light is CCFl type; check and replace all CCFL lamps and back light inverter board.
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Sep 15, 2016 | Hisense Televison & Video

1 Answer

We have a Hisense 50h5g 2014 model , The tv has sound but no picture ,


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jun 29, 2016 | Hisense Televison & Video

1 Answer

Tv Turns on but screen is black i can hear volume but no picture


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Nov 11, 2015 | Televison & Video

2 Answers

My hisense 50 inch lcd tv has picture but no sound.


If you still have back light, then the T-con is probably defective. If you don't have back light, then you either have a bad power board/inverter or a defective panel

Mar 20, 2013 | Hisense Televison & Video

1 Answer

Plasma 50 inches dont turn on


The power supply board is dead.Tries the websites like Shopjimmy.com,Ebay.com to buy the refurbish power supply board for the replacement.

Jun 22, 2010 | Panasonic Viera TH-50PX80U Plasma TV

4 Answers

Hisense tv turns on and off


STOP!

The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.

Please rate my help++++Thanks for using FIXYA

May 13, 2010 | Hisense TL1700 17 in. LCD Television

1 Answer

Hitachi Plasma 50 inch H4011 series just went off and red light blinked 4 times. Won't come back on even after unplugging and waiting 30 seconds and plugging back in per Troubleshooting guide in owner's...


Power supply board is dead.Replaced the power supply board,Ur tv will get the power back.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board for replacement.

Feb 21, 2010 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

Philips 50 Inch Plasma Model 50PF7320A/37 will not turn on


Commonly it's going to be a power supply related problem. The two boards that need to be looked at is the Main Power Supply Board or the power supply board for the screen. The one that powers the screen, some manufactures call it a Backlight Inverter Board.
If you have some electronic experience, you can sometimes find a Service Manual for the TV over the internet for less than $20. It will have the all resource material for repairing your TV model. It's just the matter of replacing the bad part on the circuit board.

Aug 12, 2009 | Philips 50PFP5332D 50 in. Plasma...

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