Neo Geo 4 Slot Repair Log

Womble

n00b
Joined
Sep 4, 2010
Posts
11
Anyone here with a 4 slot (larger type) PCB, a multimeter with a continuity function and 5 mins to spare?

I fixed a borked 4 Slot board recently and its now working perfectly, but I think there might be another corroded track, would be great if someone could tell me if it should be connected or not. Metal Slug 1, 2 and Puzzle Bobble work fine as it is but am still not convinced its not an issue that may show up with other games.

Full repair log is here..

http://retrocomputermuseum.co.uk/forum/index.php?topic=2633.0

..but while documenting the problem area in case the board plays up in future I found this..

Between the 74LS244s at the locations below and the connector CN9...

10R - 74LS244
=============

244__CN9
3........A18
5........A16
7........A14
9........A12
12......A13
14......A15
16......A17
18......A19

10P -74LS244
============

244__CN9
3........B18
5........B16
7........B14
9........B12
12......B13
14......B15
16 - nowhere I can find - should this connect to B17??
18......B19

Can anyone check this out for me?
 
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