PET 12 inch Monitor Repair
Автор: Chuck Hutchins
Загружено: 2023-09-19
Просмотров: 1268
Troubleshooting and repairing two PET 12 inch monitor PCBs
#commodore #retrocomputing
Dave's Channel @DavesGarage
My Twitter: / hutchca
My Blog: https://blog.hutchins1.net/
PET 12" Monitor Schematics http://www.zimmers.net/anonftp/pub/cb...
My Annotated Schematics https://drive.google.com/drive/folder...
index
00:00 Intro
00:30 Checking common problems
03:26 Replacing R752 and R753
07:35 Swapping the monitor PCB
11:40 Monitor Adjustments
13:32 Discharging the CRT
15:18 Troubleshooting board #2
16:32 CRT power supply
18:47 Looking for overheating components
19:26 Testing a diode
22:10 Replacing diode D754 and capacitor C754
23:00 Final Testing and summary
25:44 Tools
26:20 Outro
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