K7000 neogeo

Sakefox

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Have a K7000 that has a few issues not sure if related or good place to start on it.

One issue is that it will be fine for about 5mins then every now and then it will seem to short-out. the screen will start to scramble for about 2 seconds and then it will go back to normal and will keep doing this every few mins.

the other issue is that on the left side it has a small wave to it. might be on the right side too however its more noticeable on the left. nothing that noticeable, but still there.

any good place to start looking for the issue on that.
 
find the video input connections and wiggle those. If your scrambling comes and goes, you likely have cracked solder on the video input pins.

waving on one side is most likely dried out capacitors
 
+1 for dirty slots. It's like the first culprit on Neo Geo boards
 
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