Rob's Old Computers
Collecting and Restoring Some Old Computers
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H7842 12V Pulse
By
rjarratt
|
Published
October 12, 2025
|
Full size is
806 × 486
pixels
H7842 12V Secondary Side Rectifier Output
Olivetti M24 ANK 2462 Keyboard After Restoration
12V Pulse under load on H7842 PSU that won’t assert AC OK
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