Repairing
the C64: chips vs symptoms.
C64 "blank
screen" symptom: what it means and how to fix it.
The C64C...
diagnostics and repair.
Adding a
fan to your C64, SX64 or 1541.
Adding a
reset switch to your Commodore computer.
PLA replacement
in a C64 using an EPROM and adaptor
SX64: disassembly,
diagnosis and repair.
SX64: how
to add a computer reset switch without drilling any holes in the case.
SX64 disk
drive replacement: how to swap the mechanism with one from a stand-alone
1541.
The Commodore
Plus/4 computer: a beginners tutorial.
That crazy
square connector... how to change the power socket on the Plus/4 so you
can use a C64 supply.
Repairing
the C128: chips vs symptoms.
C64/128 memory
problems: "out of memory in 0" error message, and others.
C64 &
C128 "joystick" control ports: diagnosis and repair of the ports, joystick,
mouse, paddles, etc.
How to add
a fan to your Commodore C128DCR (Metal Case USA model)
How to upgrade
the C128 from 16K to 64K of VRAM.
C128 80
column picture "bending" and distortion on Commodore monitors.
Repairing
your 1541 disk drive: chips vs symptoms, diagnostics.
Repairing
your 1541 disk drive: diagnostic procedures.
The 1541-II:
diagnostics and chips vs. symptoms.
Adding a
reset switch to your Commodore disk drive.
A simple
modification to safely defeat write protection without disabling disk change
updates.
Repairing
the 1571 disk drive: common problems and solutions.
Bug fixes and
diagnostic procedures for the 1581 disk drive.
How to add
a device change switch (8 to 9, 10, or 11) to your Commodore disk drive.
The MSD-SD2:
how to install a device # select switch and other info.
MSD-SD2, link
to operators manual, schematics and service info.
The disk
drive "transit" card, what it's for and how to make your own. .jpg
image
Color monitor
setup adjustments: how to do convergence, purity and greyscale.
How to replace
the power switch in your Commodore monitor.
How to
desolder and replace chips in your Commodore equipment.
How to repair
a broken audio/data tape cassette.
How to
clean and repair your Commodore keyboards.
Connector
pinouts for Commodore equipment.
How to make
and install heat sinks for IC chips in Commodore equipment.
Repairing
a "wall wart" power supply.
How to
safely test and evaluate the C64 "black brick" power supply.
Schematic for
a repairable C64 power supply (.jpg).
The computer
saver: an add-on to protect your computer from the "black brick" supply.