Commodore 1540/1541 Long Board (long!) repair.

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In this video update iz8dwf is repairing a Commodore VIC-1540/1541 long PCB.

“Faults found are: one zener diode broken (maybe overheated?), one interrupted small signal diode, one missing connection from a previous chip substitution and one 74LS07 probably fake (or coming from a discarded/defective batch?). As always, I tried to explain as much as possible about the repair process and my reasoning during the troubleshooting.”

SOURCEiz8dwf YouTube Page
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