Pengo PCB Repair - Stuck Control Input
Ойындар
Quick video of fixing Player 1 Start input on Pengo PCB
00:00 Intro and Symptom
02:18 DMM Continuity Testing
04:50 Problem Identified
06:25 Chip replaced Sync Issue
07:45 Further Control Testing Missing Gnd
11:05 All Fixed
Пікірлер: 4
Awesome video!!!! glad it was an easy fix!!!!
@jacklick
2 ай бұрын
Yep easy peasy. I honestly spent more time troubleshooting my jamma adapter and pvm video cable than the board.
@buffett1978
2 ай бұрын
@@jacklick that's actually in a good way ironic, i have doe the same thing with building JAMMA adaptors for games as well. PCB test or repair went fast but the adaptor took an hour or more.
The I/O switches are getting detected read by a multiplexer chip that will output a data signal, what is that multiplex data signal called? Because each switch will have a certain multiplexer data signal