looks like the battery has leaked. Any way to clean up?

[lord_smeag]

Looks like the battery has leaked in my A2000HD. :madashell:

I have removed the culprit battery and all the expansion cards. The ics look clean and the cards also look unaffected.

Have seen worse boards but not sure if i can recover this opne. Does anybody have any advice on whether or not i can recover this board. Have a look at these images and let me know asap please. I miss my Workhorse 2k tank.

[AmiDude]

Is the board still working? Looks like the traces are not damaged. Just clean the board with some alcohol and put in a new battery.

[lord_smeag]

Seemed fine untill about 3 days ago when it just would not boot. Power light on and hd flickered then stoped. cant boot to my wb 1.3 disketes either. so i opened it up and noticed the green residue.

So would isopropol do? I have useed that to clean my c64's 1541 head on the drive with no apparent damage. Also where the hell do you find batteries for a machine i bought in '89???

[AmiDude]

Yes, isopropol will do the job. You can find new batteries
right here:  Amigakit

[lord_smeag]

Oh wicked! thanks for the fast reply mate!  :-D

[Tomas]

Where are the pictures?
And does it still work?

Edit: they started loading again after i replied

[Framiga]

try to reseat and clean  the 68K/socket. It seems affected by some oxidation migrated from the battery (not clear from the pics)

[orange]

maybe this will help you:
(it caused me a lot of headaches)
image

[lord_smeag]

I have re-seated the 68000 and there was indeed some oxidisation that had made its way there, although very little. i have cleaned it with the iso.

Just have to wait for the battery to turn up so i can test it out. fingers crossed ...

Also not quite sure what you mean by 'these points should be connected' My board has never had that black component between the cpu socket and the red thingy.

[motorollin]

Orange was referring to the broken trace between that pin on the CPU socket, the black resistor and the solder point near the tan resistor. If that trace is in tact on your machine then there's nothing you need to do here.

One thing - would you mind editing your original post to put the images in a vertical line rather than a horizontal line? This thread is very hard to read at the moment due to the width of the original post.

--
moto

[lord_smeag]

oh ok gotcha moto, that trace seems fine on my board. Sorry about the width thingy, my first post here so didn't think about the width issue.

[motorollin]

lord_smeag wrote:
oh ok gotcha moto, that trace seems fine on my board.

That's good news :-)

lord_smeag wrote:
Sorry about the width thingy, my first post here so didn't think about the width issue.

No problem. Just scroll up to your original post and click the edit button, then put an new line at the end of each picture and they will go in a vertical line.

--
moto

[orange]

lord_smeag, then you have different board version than mine, sorry..
nevertheless those three points should probably be connected

Test all traces around battery and esp. the ones coming from CPU.
Clean the CPU socket thoroughly (some people here recommend replacing the whole socket; I did it as you can see, but its a lot of hard work de-soldering 40 pins  :-x )
You don't have to wait for new battery as Amiga should work fine without it.

I'd also recommend doing lithium batt. hack from Aminet, even though NiMh are supposed not to leak..

[lord_smeag]

After removing the mc68k and cleaning what i could. There is is still no joy. :evil:

Maybe the only hope is to replace the whole socket or maybe its easier to find another a2000 board. the A2091, flicker fixer, ram exp etc i'll keep and try to locate another 2k board to put them in.

It's probably better that way. wonder if the mc68k itself is munted?

[rkauer]

Try to rub the mobo with an used toothbrush and ISO, plus reseating the around components.

 I've see your board don't have a 68k socket(?!? WTF!). If this is true, you MUST dessolder teh CPU, place a socket and plug a NEW (maybe the old) CPU on it.

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