Question about Haier HL42R 42 in. LCD TV

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How to repair invarter board of haier lcd tv

Mosfet get sort

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

electronick
  • 505 Answers

SOURCE: i need a electrical cord for my haier lcd 42'' tv

most of these use a standard computer type cable, its shaped like a D on the end and has 3 wires. some others are shaped like an 8 and are harder to find. check any computer store, or goodwill for a cheap one

Posted on Jan 22, 2009

bbl242003
  • 1637 Answers

SOURCE: 22" Haier LCD/LED TV -

When troubleshooting these units, there are always several variables to consider. First check to see what last occurred with the unit such as did the children play video games, did the electricity go out due to bad weather. You may see that there are many possibilities but let's focus on what occurred last to the unit. Once we determine what happened last, we may isolate the actual cause of the problem. The actual cause may be associated with projection issues, older versions (Picture tube), interference from devices located nearby, and even a radio turned on and located really close to your unit. This is normally known as electromagnetic interference to electronics and is very common with the error you have provided today. Please continue to look for anything EXTERNAL to the unit before looking at the internal components. I have been working on these a long time so feel free to follow up with me.

Posted on Jan 16, 2011

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3 Answers

Fuse keeps blowing in my philips 32pfl3505d/f7 tv


Good day!!!!


That problem is cause of shorted bridge diode or power mosfet..

just see the picture below to see the image of bridge diode and power mosfet..

bugoy31_16.jpg

If you don't have a tools or you have no electronic background you only have to is order the new power supply board..

I hope this solution will be helpful..Thanks for using fixya....

Sep 04, 2011 | Philips 32PFL3505D 32 in LCD TV

2 Answers

I was told that my power board was bad in my 42' LCD Haier TV model number HLH42ATBB and that it was not fixable. Is this true?


Hi,
This is depend upon the fault of the power supply, 70% rate that you're board can be fixed but it is quite comfortable to replaced the entire board. I've advice you to try a second opinion to other qualified technician to verify whether if the first tech judgement is true.
Hope it may help you.
Have a nice day!
JDVillanueva

Feb 04, 2011 | Haier HLH42ATBB 42 in. LCD Television

3 Answers

Haier hl32xk2 32 in lcd tv turns on but doesnt show picture or sound and no buttons work


I had a similar problem with my 42 in Philips LCD HDTV.



Here was the problem. My Power Supply Board had several bad capacitors. I opened my TV (warranty was expired of course) and found four bulged capacitors. Many electronics companies were sold capacitors that failed in 2-5 years instead of 10-20. The capacitors fail prematurely due to a lack of preservatives. Unfortunately, they were installed in all sorts of devices and cause a wide range of failure problems.


Here are some options for you.



1. Have it fixed by a professional $$$$$$$???????



2. Open your TV and find PSB. Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board. The entire board costs around $250 right now because they are in high demand right now. They can be found at tv-part.com but supplies are limited.



3. Remove and then replace individual faulty caps. This takes some soldering skill.

Caps are inexpensive and if you can take care of it yourself it will save you hundreds.



I have a tip/tutorial on this site that may also help. It gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. It's called: Fixing the Philips Turns/shuts off on its own problem. I'm working on uploading pictures to help guide people though the process as well. Let me know if I can do anything to help.


Hope this helps and Good luck.


Kaufman605

Dec 12, 2010 | Haier HL32XK2 32 in. LCD TV

1 Answer

Haier HL26R-B LCD-TV no power up


there is a repair kit for these haier sets part# TV-3910-01
you can try encompassparts.com and make sure this kit fits your model. The kit includes a few boards that need to be installed together.
Thks
Roety

Jul 14, 2010 | Haier 42EP24S 42 in. EDTV-Ready Plasma...

2 Answers

Power Issue


Now,u plug in the tv u get a solid red standby power red LED light in the front of the LCD panel right?When u push the power button on the remote u hear a clicking sound?Only one clicking sound,not the power supply board problems.It the Tuner board problems.But u can make sure it the power board problems or not.By taking the tv aparts check the power board,that board where the a/c power cord goes into it.Look all around the power supply board check for these leakage capacitors,they alway bulges up it top or puff up it top.No bad leakage capacitors,then it not the power supply board problems.

May 14, 2010 | Haier HLH406BB 40 in. LCD HDTV

1 Answer

Resistors burnt on power supply board on L1975NW lcd monitor looking for that power supply board


This monitor has common problem with caps went bad and it will take out the fure and MOSFET in the inverter circuit. Do you know which resistor is burnt out? I usually only have to replace the caps, MOSFET, and the fuse.
http://www.instructables.com/id/How-to-repair-a-Westinghouse-L1975NW-19quot-LCD-/

Jan 07, 2010 | Computers & Internet

1 Answer

Set cuts off after 20 minutes. Power Supply Board gets hot.


hi there,

Looking at your description, i would suggest keeping that TV turned off, it could be Potentially dangerous, sounds like there are some electronics inside the TV's main power input that are faulty and causing shorts in the internal circuitry which is what is causing the overheating, the overheating is due to the electrical currents and the damage to the board.

i would suggest calling Haier Tech support and attempting to solve the problem over the phone with either a repair/replacement.

if that fails, i would definately suggest getting the TV repaired some how, having unsafe electrics in the house is dangerous, take care !

Oct 28, 2008 | Haier HLH406BB 40 in. LCD HDTV

2 Answers

Haier 26; TV Tuner


contact the Haier Service center in NY. www.asnyonline.com

May 25, 2008 | Haier HL32BG 32 in. LCD Television

4 Answers

Tv wont turn on


Replaced two N-Channel Mosfet transistors(FQPF13N50CF-ND) and some faulty electrolytic caps in the power supply. I found the Mosfets online at Digi-Key. Mosfets are difficult to read. Only one read bad but I replaced both because they are in the same circuit. Set works great now.

Jan 21, 2008 | Olevia LT23HVX 23 in. LCD Television

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