TheRetroChannel | Commodore 1541 drive repairs @TheRetroChannel | Uploaded April 2020 | Updated October 2024, 3 hours ago.
My attempt at diagnosing and repairing two 1541 disk drives.

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C64 BASIC V2 DRIVE COMMANDS:
Initialize drive: OPEN 15,8,15:PRINT#15,”I:”:CLOSE 15

Read error channel:
10 OPEN 15,8,15
20 INPUT#15,EN,EM$,ET,ES
30 PRINT EN,EM$,ET,ES
40 CLOSE 15

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1541 Diagnostic Cartridge blog.worldofjani.com/?p=2180
Disk Image https://csdb.dk/release/?id=145263
Troubleshooting by Ray Carlsen personalpages.tds.net/~rcarlsen/cbm/1541/fix1541.txt
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🎞
0:00 Intro
1:00 Testing the shortboard
4:58 Booting 1541 diagnostics without the cartridge
6:44 Running diagnostics on the shortboard
8:14 Speed adjustment and head cleaning
11:55 Longboard testing and error channels
15:45 Testing the drive head for open coils
17:35 Head bodge
20:48 Possible reasons for head failure
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Thanks for watching!

#commdore1541 #c64diskdrive #1541