68kMLA Classic Interface

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classic horizontal lines
Posted by: imactheknife on 2022-07-12 15:21:34
I recapped board, new voltage regulator. Still has bars on screen. Stupid thing worked fine with gooey cap leakage lol..anyone know what to check for on this that had a similar problem?? I have a working classic and analog board so I know when it will work fine once fixed. Cheers and thanks!
Posted by: dochilli on 2022-07-13 19:07:38
Check the voltages at the floppy port. Should be 5 and 12 V. Shows the LB the stripes in the working classic? Then the LB is the problem. Could be a problem with the ROM too. Reseat and clean the ROM.
Posted by: imactheknife on 2022-07-13 20:49:01
Check the voltages at the floppy port. Should be 5 and 12 V. Shows the LB the stripes in the working classic? Then the LB is the problem. Could be a problem with the ROM too. Reseat and clean the ROM.
Have a working classic board, swapped roms, no issues there. Will check voltage
Posted by: imactheknife on 2022-07-24 04:34:50
Everything works now. Soaked board in little diluted vinegar for about 45 minutes. Rinsed with distilled water, let dry. Cleaned up my bodge wires. No more lines, boots fine.
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