Question about Gigabyte GA-8LD533 Motherboard

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Given computor just want board layout so i can trace leads

The above covers this queston

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1 Answer

I would like to fix my Commodore vic 20.


plug it in see if comes on. I know the vic had a glass fuse on the board.

Oct 21, 2015 | Cars & Trucks

1 Answer

How do I replace the race slot on my amp do I need to take out the whole board and get it from the other side and is ther any soldering involved


Removal I can help with. Finding the RCA jack is a little tougher. This part is on you.

Does the circuit board remove from that back plate, where the RCA jack pokes through?
It would be nice to get it out of the way.

The RCA jack does unsolder from the bottom of the circuit board.

Suggest;
1) Use a low Wattage soldering iron. Put a soldering GUN aside.
TOO much heat.
20 Watt soldering iron.

2) Soldering stand, or at least a damp sponge nearby to constantly clean the soldering iron tip.
The soldering iron tip NEEDS to be well tinned, and clean.

3) No.2 chisel tip. It will make your life SO much easier.

[Soldering tip is taken down to the bare copper. Then heat soldering iron. Do not leave plugged in too long. Use Rosin core solder, and I would recommend .030 in size.

Soldering iron tip hot, touch the rosin core solder, and give a light coat of solder. -> Tinning ]

Removing that RCA jack to me, is just like removing a DC Power Jack, from a laptop motherboard.

First thing you want to do, is remove as much solder as possible, from each solder joint, on the bottom of the circuit board.
I use Desoldering Braid. (Solder Wick)

http://www.radioshack.com/product/index.jsp?productId=12580047&filterName=Type&filterValue=Desoldering

Unroll the wick about 6 inches.
Lay about 1/2 inch of wick across the solder joint. (Solder connection on bottom of circuit board)

Put the soldering iron tip on Top of the wick, and on top of the solder joint.
When the wick starts to absorb the melted solder, remove the wick.
Cut off the solder soaked wick part, so you will have a new wick surface to operate with.

Keep going around the solder joint, until most of the solder joint is removed. You will NOT remove all solder. You are JUST trying to remove the majority.

Perform for all solder joints (Connections) on the bottom of the circuit board, for those RCA jack leads.

GO SLOW.
Remove solder from one lead -> STOP
Allow the circuit board to cool down.
Then continue on.

Circuit board on it's side on the workbench, hold the insulated part of the RCA jack with one hand.

You want to rest your hand on part of the circuit board, (If possible), and use the heel of your hand as a fulcrum.
Fingers constantly applying pressure to the jack, pulling jack away from circuit board.

Heat one of the solder connections up on the bottom of the circuit board. Applying pressure with your fingers, see if this one lead will start to come out of the circuit board.

STOP

It will only come out so far, as the other leads of the RCA jack are still holding it in.
The method is to heat one solder connection, try to pull the lead out of the circuit board a little, then go to the nearest lead; and heat it up.
(Heat it up = Melt the solder)

Keep pulling the leads out a little at a time, and going from lead to lead, until they all come out of the circuit board.

NOTE*
What look to be very flat thin copper wires, on the bottom of the circuit board, are actually Circuit Traces. Also known as Signal Traces.

IF, you heat the solder joint (Connection), too long, you stand the chance of ruining the circuit board. This = No.

You can lift the circuit trace right off of the motherboard, using too much heat.
You can burn the circuit trace 'hole', and this will make it so it will NOT accept solder again. (You can't tin it )

GO SLOW. You have as MUCH time as you need.

Suggest melt one solder joint a little, pull on on it's lead, then allow the circuit board to cool down some.
Then go to the nearest lead, heat it's solder joint, pull up; then let the circuit board cool all the way down.

You get the picture

[Leads are the 'stiff wires' coming down from the RCA jack.
Circuit trace 'hole', is the hole where the lead goes through in the circuit board ]

When the damaged RCA jack is removed:

There will be residue left behind on the circuit board 'hole'. This needs to be properly cleaned.
I use Isopropyl Alcohol, and an old toothbrush.

CAUTION!
Isopropyl alcohol is EXTREMELY FLAMMABLE!
Use in a WELL ventilated area with NO sparks or flames present.

Yeah, I know. A disclaimer. I just want to make sure you do not get hurt.

Means circuit board well away from the hot soldering iron, when cleaning.

Info that may help,

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

There may also be a thin coat of solder over the circuit trace holes, left behind.
DO NOT worry about it/them. Leave alone.

When you go to install the new RCA jack, you will cut the leads until they are about 1 inch long, if not already that length.
Bend the leads so you can try a trial fit, and make sure each lead is going towards it's circuit trace hole.

Leads of the RCA jack pushing against (Lightly), the circuit trace hole, and the thin solder 'skin'.
When you heat the circuit trace hole from the bottom of the circuit board, the solder 'skin' will instantly melt, and allow the RCA jack lead to poke through.

Don't know if you used to solder back in the day, but solder has changed now. It is 'green', and no longer contains lead.
Makes it a @$#@^ if you are soldering with it the first time.
Suggest practice on soldering wires together, and perhaps an old circuit board.

The solder joints you make MUST be clean and bright. They should look like a 'Hershey's Kiss' when properly done.

IF, you make a bad solder joint, it is a Cold Solder Joint.
This = No.
You'll be pulling your hair out trying to figure out what is wrong, when it is just a cold solder joint.

You may wish to also view some soldering tutorials on Youtube,

http://www.youtube.com/watch?v=fYz5nIHH0iY

Check the - Related videos on the right also.

For additional questions please post in a Comment.

[Even though you can see I'm pretty 'Windy', I feel like I have left something out ]

Regards,
joecoolvette

Nov 11, 2012 | Computers & Internet

1 Answer

Repairing power socket for acer aspire 3690


brows this site n see how to repair power jack,
http://www.laptoprepair101.com/

Feb 07, 2010 | Acer Aspire 3690-2196 Notebook

1 Answer

Power will not go on after machine was dropped. Plastic was broken broken on the top of the device near the power connection but the circuit board appears to be undamaged.


The board may appear undamaged, but the instrument's behavior says something is broken. I have no idea what kind of musical instrument this is, but circuit boards are all the same.

Especially on boards with narrow circuit traces and surface mount parts, damage can be very hard to see. A trace might have a hairline break which would be impossible to see without bright light, strong magnification, and some idea where to look.

It's also possible that the board is fine, but some part has been damaged. The lead from some part may have broken away from the circuit trace, for example. Or a small surface-mounted component may have popped off completely or had a lead broken off.

Unfortunately, this kind of trouble is very hard to fix without detailed product information (circuit diagrams and board layout). Unless the manufacturer makes a service manual available to the general public, this means sending the unit back to them or an authorized service center for repair.

Feb 03, 2010 | Zoom Music

1 Answer

Projector turns on the power light flashing and lamp light solid


Here's the fix: Take off the top cover of the projector. Unplug the wire leading from the two fans in the back of the unit to one of the circuit boards in front of you. Just trace one wire from fan to board. Unplug at board. Turn unit on and it will again turn on, show HP splash screen and then shut down, like it should, because the fans are now disabled. After it completly shuts down, plug the fan wire back into the board. Turn the unit back on and, presto, its working again. It will not turn off.

Try it!

Jun 12, 2009 | HP Digital Projector Vp6120 Multimedia...

1 Answer

Brake sensor light


you must check the layout first if the layout is ok then trace from the dash boards connection and you will know what wrong with the dash board lighting system,.after that contact your auto eletrician to re-connect the wires in the dash board.thank you

Dec 16, 2008 | 2004 BMW 3 Series

2 Answers

One more question


The electronic control board will have to be replaced. You can search online or call Sears (they can order just about any type of part for any type of product for you) with a model and serial number. Generally, the electronic control board is not that difficult to replace.

Jun 09, 2008 | Ovens

1 Answer

KUDP01IL Dishwasher heating element


element on allthe time sounds like a direct short of the wire leading to it, trace back the wire , it will lead directly to control board behind front panel. there should be a tech sheet behind the lower kick panel complete with wire diagram

Feb 27, 2008 | KitchenAid 24 in. KUDP01IL Stainless Steel...

3 Answers

Pc restart problem


Yes, your mobo Asus P5LD2-VM support CPUs with Conroe-core ("Core 2 Duo"). http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us&model=P5LD2-VM But for new CPUs strongly recommended use last BIOS version - 1401 from 2007/08/14. http://dlsvr01.asus.com/pub/ASUS/mb/socket775/P5LD2-VM/P5LD2-VM-1401.rar

Oct 03, 2007 | ASUS P5LD2-VM Motherboard

2 Answers

Connecting hdd led lead and power led lead,where do they go ?


Hi, There are 3 versions of this motherboard; 1.0, 2.0 & 3.3, but the layout is identical. The general layout is shown in pins.jpg. For the power led, the white wire goes to the (-) terminal either pin 2 or 3, both are MPD- while the green goes to the ( ) or pin 1 (MPD ) as shown in powerled.jpg HDDpins.jpg shows the connection of HDD led, the white goes to pin 3 or HD- while the red goes to pin 1 or the HDD . I cropped these images from the manual which is also available at the gigabyte website. Hope this gives you some ideas and workout of you. Good luck and pls post again how things turn up. Kind regards.

Aug 15, 2007 | Gigabyte GA-965G-DS3 Motherboard

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