A2000 motherboard looks bad

13 February 2012, 00:44

Hi there! I was triyng to install a scsi controller to my a2000 and I found this

The machine works fine except left mouse button is not working, but I suspect it may be one of the cia's (I'll try to swap them to see if it solves that problem).

Any advices? it can be repaired before it breaks?

Best regards.

prowler · 13 February 2012, 00:52

Wow! That track looks like it's taken a surge of current at one time.

If it all seems to be working OK (except the left mouse button), then I don't think you ought to attempt a repair (since it's not actually broken), but rather should protect the exposed track from tarnishing by applying some clear nail varnish.

FOL · 13 February 2012, 15:09

Which point is that going to? -11v?

Have a 4000T board here, where the -11v had a short on it and it burnt the track through the layers (internal tracks), completely destroyed the board,

.

amiman99 · 13 February 2012, 17:09

For your mouse problem, check the DB9 connector first. I had one the had 2 pins pushed in. I fixed it by replacing the DB9 connector on MB.

13 February 2012, 22:11

Quote:

Originally Posted by amiman99

For your mouse problem, check the DB9 connector first. I had one the had 2 pins pushed in. I fixed it by replacing the DB9 connector on MB.

I'll check it, thanks!

16 September 2012, 01:42

can't you in the future, solder a jumper bypassing the damaged metal strip?

just curious as i have made similar repairs to those type of circuits in the past.

also "please" just looking at the pic i certainly don't have all the facts.

thanks

13 February 2012, 00:44	#1
TRoNi Posts: n/a	A2000 motherboard looks bad Hi there! I was triyng to install a scsi controller to my a2000 and I found this The machine works fine except left mouse button is not working, but I suspect it may be one of the cia's (I'll try to swap them to see if it solves that problem). Any advices? it can be repaired before it breaks? Best regards.

16 September 2012, 01:42	#6
frcc Posts: n/a	repair in future ? can't you in the future, solder a jumper bypassing the damaged metal strip? just curious as i have made similar repairs to those type of circuits in the past. also "please" just looking at the pic i certainly don't have all the facts. thanks

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13 February 2012, 00:52	#2
prowler Global Moderator Join Date: Aug 2008 Location: Sidcup, England Posts: 10,300	Wow! That track looks like it's taken a surge of current at one time. If it all seems to be working OK (except the left mouse button), then I don't think you ought to attempt a repair (since it's not actually broken), but rather should protect the exposed track from tarnishing by applying some clear nail varnish.

13 February 2012, 15:09	#3
FOL PSPUAE DEV Join Date: Nov 2006 Location: Wales / UK Age: 45 Posts: 5,999	Which point is that going to? -11v? Have a 4000T board here, where the -11v had a short on it and it burnt the track through the layers (internal tracks), completely destroyed the board, .

13 February 2012, 17:09	#4
amiman99 Registered User Join Date: Sep 2009 Location: San Antonio, TX USA Age: 50 Posts: 1,184	For your mouse problem, check the DB9 connector first. I had one the had 2 pins pushed in. I fixed it by replacing the DB9 connector on MB.

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