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Herlin Guerra-Sagastume Posted on Nov 21, 2014
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Hello there, i bought the kits to fix my power

Hello there, i bought the kits to fix my power board BN44-00161A. The two 2 PCS FQPF9N50C Mosfets are cracked in the middle heat bar. However, I don't know how to remove these little mosfets from the bar, they seem two be really well glued to metal. Can you tell me how to remove these? Thanks

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Please use a hot air soldering gun to remove them.

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LG vertical green line

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Neon power supply

You may want to look at the repair kit from this company.
KIT315 IP32029 NEON CH2469F PSU REPAIR KIT
It just contains the power supply electrolytic capacitors. Quite likely the ones in the supply are prone to leakage over time and fail.
I would recommend you search eBay. Here is a link to the specific board and it looks as if there is at least one used one available.
https://www.ebay.co.uk/sch/i.html?_nkw=ip32029
2results for ip32029
4helpful
3answers

LG 32lc2d tv - blinked several times and then froze. Whern it unfroze it turned itself off. Now when it comes on, there is no picture, no sound. Any answers? Thanks

This sound like the power supply board has failed. This is usually because of bad electrolytic capacitors.
A bad batch was made several years ago and many manufacturers used them is all sort of products. THIS IS A INDUSTRY WIDE PROBLEM.

IF you know how to repair electronics or have a friend with knowledge/skill you can replace thems.
> Unplug the set.
> Remove the back cover.
> Look at the capacitors on the power supply board.
> If any capacitors have a bulging top you've found the problem.
> You need to get good new replacements.
>The farad rating must be the same.
>The voltage rating can be the same or higher voltage. (never lower)
>Use high temperature rated ones.
> Replace one at a time to prevent mixup.
> When soldering in leave a space between the PC board and the bottom of the capacitor. They need room to expand due to heat.
> While you have the board out you should replace the other capacitors before they fail. Maybe not the biggest one however.

NTE make capacitors. Website nteinc.com. You should be able to find there local outlet. You can also look at;
http://lcdalternatives.auctivacommerce.com/Repair-Kit-LG-32LC2d-LCD-TV-Capacitors-P1747193.aspx.
0helpful
1answer

I have an Xbox 360 and the power light is red when you turn it on. What could be the problem and can it be fixed? What do you suggest.

e74 or rrod error means that there is an hardware issue.
What you need to do is a very simple and cheap repair.
look on ebay for x clamp repair kits, these are just a few bucks and most sellers include a good guide in how to do the mod/fix.
what causes the rrod or e74 error is the X shape clamp on the underside or the mother board bending and mis-shaping causing the ball soldering on the gpu/cpu slightly melting and forming hairline cracks in the solder.
The x-clamp kit will apply more pressure to the gpu/cpu and a little trick of disconnecting the fans and turning on the xbox and allowing it to overheat will re melt the solder ball joints to fill the hairline cracks.
Depending on which chip is the issue you may also need a 2000 watt heat gun instead of using the over heating method (the gpu chip).
Replacing the heat pads on the heat sink with thermal paste which comes with the kit will keep the gpu/cpu cooler and you wont have this issue again.
Please make sure you buy the kit which comes with heat treated nylon washers as the steel spring washes fail!.
The repair takes around 1-2 hours
I hope this helps in fixing you xbox
0helpful
1answer

It has been fine for the years I had it but now it won't turn on

do you have any red rings on your console if so it is possible to be fixed by this method:
e74 or rrod error means that there is an hardware issue.
What you need to do is a very simple and cheap repair.
look on ebay for x clamp repair kits, these are just a few bucks and most sellers include a good guide in how to do the mod/fix.
what causes the rrod or e74 error is the X shape clamp on the underside or the mother board bending and mis-shaping causing the ball soldering on the gpu/cpu slightly melting and forming hairline cracks in the solder.
The x-clamp kit will apply more pressure to the gpu/cpu and a little trick of disconnecting the fans and turning on the xbox and allowing it to overheat will re melt the solder ball joints to fill the hairline cracks.
Depending on which chip is the issue you may also need a 2000 watt heat gun instead of using the over heating method (the gpu chip).
Replacing the heat pads on the heat sink with thermal paste which comes with the kit will keep the gpu/cpu cooler and you wont have this issue again.
Please make sure you buy the kit which comes with heat treated nylon washers as the steel spring washes fail!.
The repair takes around 1-2 hours

If no lights are on your console do you get the light on the power supply as you might have a faulty power supply and if no light is on the power supply it could be as simple as a faulty power cable from the plug to the block
1helpful
1answer

Same thing.

Hello,

If you have the 2 blown capacitors on the power board then most likely yo also have blown MOSFETs and a blown fuse. The MOSFETS and fuse blow when the capacitors short out when they blow. We sell a kit with the capacitors, MOSFETs and fuse with instructions for $10.00 plus shipping. Let me know if you need a repair kit.

Buddy
Corporate Computer
www.ccl-la.com

0helpful
1answer

Blown channel

Its possible to repair, but you have to crack the amp open and prod around a bit. I found that the failure is usually in the power components or the MOSFET drivers. If you have 1 channel out, I would focus on the MOSFETS (if you dont know what they look like just Google MOSFET - they are the black 3-legged chips and are usually mounted to aluminum to disperse the heat). Some things to look for:
- burnt / melted solder traces (where the MOSFETS connect to the main board)
- disconnected leads (same place as above).

If you find any connection that looks suspicious, it wont hurt to re-melt the solder around the joint to make sure its a good connection.

Hope that helps...
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1answer

Black bar down middle of screen

these cables are machine installed on the panel itself, not user fixable. however, the cables are mounted to a circuit board at bottom of the screen. to reach they you need to remove nearly all the support structure and boards at the bottom of the panel. there are a number of sensitive parts under there and they have black 'licourus' on the chips to dissipate heat. good luck.
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LG32LC2D - Sound slow to start

This is indicative of a bad main board that will need replaced. For this model make sure the repair person has the full product code (from the back of the unit) so that they can get the correct main board ordered (there are multiple versions depending on the product code). Hope this helps.
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LG 32LC2D Power light Blinks but set will not power on.

change your adc(analog to digital converter) board will help out
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