Uploaded September 2020 | Updated September 2026, 2 weeks ago

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Thanks for watching my video!

This is the second repair attempt of the Monacor PS-310. Did it work? Find it out in this video!

Chapters:
0:00 Intro
0:50 Taking it appart
1:00 Off-camera research results
1:30 Cleaning the PCB

1:55 PS-303 schematic
2:40 BC547 transistor replacement
6:16 Measuring various components
7:06 Removing and cleaning the CA723's
09:45 Checking the 2N3055 transistor's
11:20 Smoke test (@50W)

15:30 Measuring the 2N3055's under load
19:00 Removing the 2N3055's
21:20 Measuring the 2N3055's out of the device
24:00 Preparing the new 2N3055's
24:30 Soldering the 2N3055's

25:25 Smoke test (no. 2)
25:55 Replacing the CA723's with LM723's
26:30 Smoke test (no. 3)
27:25 Smoke test (no. 4)

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