Commodore PET Video RAM problems
Tynemouth Software has repaired a Commodore PET.This time he repaired the video part by replacing it with a Video RAM replacement board.
The 8-Bit Guy - Commodore PET
The 8-Bit Guy made a video about cleaning and repairing a Commodore PET computer.
Jan Beta - VIC20 Futureproofing
Jan Beta made a video about improving the life span of the Commodore VIC20. This includes recapping and heatsinking the chips.
C2N repair
On the Youtube channel Cainers Commodore Capers! you can see the repair of a Commodore C2n Datassette.
Commodore PET 2001 repair
Tynemouth Software has repaired a Commodore PET 2001.This time one of the 74LS157 multiplexers was the problem.
The 8-Bit Guy - US*8 calculator
The 8-Bit Guy made a video about repairing a Commodore US*8 calculator. The calculator has a problem with the power supply and the keys.
Commodore Minuteman 3
Jfieldcap wrote a blog about the restoration of an Commodore Minuteman 3 calculator. After cleaning and replacing the battery pack the calculator works perfectly again.
Aphexteknol - C64 repair
Aphexteknol made a video about the repair of a Commodore C64. This time the on/off switch was the problem.
Jan Beta - C-1311
Jan Beta has made a video about the repair of the world most terrible joystick, the Commodore C-1311.
GadgetUK164 - 1084S-D1
GadgetUK164 made a video about the repair of a 1084S-D1 monitor.

Part 2 of the 1084S-D1 repair.
Jan Beta - C64 repair
Jan Beta has made a video about the repair of a Commodore C64. The fault of this C64 is a wrong video display and two blinking cursors.
Amiga 1010 - Jan Beta
Jan Beta has made a video about replacing the disk drive mechanism in a Amiga 1010 disk drive.
Retrohax: C64c
On the Retrohax web page you can see how to restore a very dirty Commodore C64c. Modifications: SD2IEC, red keyboard and a black case.
Chinon FB354 repair - Jan Beta
Jan Beta has made a video about the repair of a Chinon FB354 Amiga 500 internal disk drive.
Retro Gaming Couch - CBM 3016
Retro Gaming Couch is an YouTube channel for the fans of retro computing. The most recent video is about repairing a Commodore CBM 3016 computer.
Datassette repair - Jan Beta
Jan Beta has made a video about the repair of a C2N Datasette. He has replaced the drive belt and lubricated the gears and adjusted the read/write head.
DiePixelspieler - C64 restoration
DiePixelspieler cleaned and restored a Commodore C64. In the video you can see how to clean the inside and outside of the C64 including a RetroBrite treatment.
1541-II replacement power supply - Jan Beta
Jan Beta made a video about a replacement power supply for the Commodore 1541-II disk drive. In the video he will test this 2 Euro replacement.
Iz8dwf - 8701 (C64)
Iz8dwf made a video of the repair of a Commodore C64 with a bad 8701 chip. The 8701 is a clock generator chip used in the some C64 revisions.
Jan Beta - C64 Futureproofing
Jan Beta made a video about improving the life span of the Commodore C64. This includes recapping, heatsinking and adding an overvoltage protection by using a suppressor diode.
Commodore 8096 repair
Tynemouth Software has repaired a Commodore 8096. For the repair he used his prototype PET LCD diagnostics board. The fault was in the RAM chips.
1541-II repair - Jan Beta
Jan Beta made a video about repairing a Commodore 1541-II disk drive. He inspected, cleaned and lubricated the disk drive and replaced the electrolytic capacitors.
Retrohax: C64
On the Retrohax web page you can see how to restore your C64: PLA, keyboard brackets and a broken case repair.
A500 power supply repair- RetroGameModz
RetroGameModz has made a video about repairing a power supply for an Amiga 500/600. In the video he explains how to find the fault and how to correct it.
Amiga 500 repair - Jan Beta
Jan Beta made a video about repairing an Amiga 500. In the video he explains how to find the fault and how to correct it.
Retrohax: A600 recapping
On the Retrohax web page you can see how to clean your Amiga 600 and replace the electrolytic capacitors.
MindFlareRetro - C64 repair
MindFlareRetro made a video about repairing a Commodore C64. In the video he shows how to inspect the C64 and find the fault.
Retrohax: Plastic repair
On the Retrohax web page you can see how to repair the plastic parts of your retro computer.
1541 disk drive repair - Jan Beta
Jan Beta made a video about repairing a Commodore 1541 disk drive. In the video he explains how to find the fault and how to correct it.
Iz8dwf - PET 3032
Iz8dwf made a video of the repair of a Commodore PET 3032 computer from the year 1979. The faults were: ROMs, PIA 6520, MC3446 (IEEE488) and two DRAM chips.
C64 - RAM repair
Victor Lancing made a video about repairing a Commodore C64. The fault was a bad RAM chip. You can watch how he finds the bad chip, removes it, and puts in a new chip.
Retrohax: 1541
On the Retrohax web page you can see how to refurbish your Commodore 1541 disk drive. Retrohax cleans the drive mechanism, he de-yellows the outside and repairs the diskette lever.
Iz8dwf - C64 - CIA #1 repair
Iz8dwf made a video of the repair a C64 with a defective CIA chip. The CIA (Complex Interface Adapter) is used in the C64 for the keyboard and the joystick.
DiagROM - Amiga CD32
DiagROM is a diagnostic tool for the Amiga computers. When you power-on your Amiga the diagnostic software will star. The diagnose software will try to send information to the serial port and the screen.
The 8-Bit Guy - Commodore C128 restoration
The 8-Bit Guy made a video about a Commodore 128 he bought on craigslist in terrible shape. He completely restored the C128 into like-new condition.
Retrohax: A600 keyboard repair
On the Retrohax web page you can see how to repair your A600 keyboard. The flexible connection to the motherboard can be damaged. Retrohax shows how to repair this connection.
C64/VIC-20 power supply repair/upgrade
Iz8dwf made a video of the repair a C64/VIC-20 power supply. He installed a switching regulator inside the original power supply.
Diskette cleaning / Copy Clone XL
Steve has made a YouTube video about the cleaning of a diskette. He also shows in this video a demo of Copy Clone XL for the Commodore C64.
GadgetUK164 - Amiga diskdrive
GadgetUK164 made a video about the repair of Amiga diskdrives. In total he got 9 Amiga drives working 100% using the techniques shown and talked about in this video.
Commodore disk drive repair
Iz8dwf made a video of the repair of a Commodore disk drive. The problem this time was a bad rubber drive belt.
Commodore SX-64 repair
Iz8dwf made a video of the repair of a Commodore SX-64 Executive. The problem was a bad Kernel and Chargen ROM. He also modified the user port pins that are reserved for the 9 VAC on a standard C64.

Another repair: C64 black screen.