I have received these computers to be repaired for a friend.
Defects found on the Commodore VIC-20:
- Error message (device not present) when trying to access the IEC devices, like a Floppy Drive.
Defects found on the Commodore 64:
- Black screen of death after installing the missing roms.
The repair of the Commodore VIC-20 was made by replacing a HEX Inverter Buffer 7406.
The repair of the Commodore C64 was made by replacing the MOS 906114-01 (PLA – Programmable Logic Array).
Gallery of repairs:
This is the official demo party results from Stary Piernik 8 (Top 3 Entries only). See also the CSDB Stary Piernik 8 section for more informations and download.
C64 Demo:
- Fogyish
- In Thorn by Sabath
- Kazachski piesek by Provocator
C64 Music:
- Nasty Bitch by Wacek
- One Life by Surgeon
- Filth And Scottish Words 50% by Randall
C64 Graphics:
- The Jungle by JSL
- Black Sun Logo by Miras
- Gdzie by Maciaszczyk
Download: Stary Piernik 8 full Party stuff (1199)
source: noname.c64.org/csdb/
Thanks go to: Damiano (manosoft) and my Brother Alessandro.
Things that have been donated:
- 4 x Box of Verbatim Datalife 3.5 2HD Floppy Disk.
- 1 x Apple Keyboard for my iMac G3 “Bondi Blue” M5521
- 1 x Iomega Zip Drive SCSI + Cable.
- 1 x Iomega Zip Drive USB + Cable.
- 11 x Zip Disk.
- Some 3.5 Floppy Disk.
Autopsy:
Finally i have replaced my old and inaccurate Capacitor tester with a better one. My lab is beginning to have a semblance semi professional ;-D
Download: Peak Atlas ESR+ 70 User Guide (1642)
Video Review:
Mentor Colour 6 (Pong clone) has been Repaired
Defects:
- Black screen of death.
- No sound.
The problem of the power supply has been fixed by replacing the transitor CS 9013 that is used in a very bizarre way to lower the voltage from 9v to 6.85v. The problem of the audio was always caused by a transistor CS 9013 brutally in short circuit. In this case, the transistor is used like a amplifier.
The transistor CS 9013 can be replaced with a BC 337 that it’s equivalent.
I thank a friend for the donation.
Donated item:
- Sandy Sinclair QL Printer Converter.
- The Sandy Printer Converter was a serial to parallel printer interface made by Sandy (UK).
The HxC Floppy Drive Emulator is a software and hardware system created by jfdn aka Jeff.
The aim of this project is to replace the floppy disk drive by an electronic device emulating the floppy disk drive (list of supported Computer/Hardware).
There are two differents emulators:
- A USB version which allows to connect the floppy disk drive interface of the computer to a PC via a USB cable.
- A SDCARD version which allows to emulate floppy disks which images are stored in a SDCARD.
Changelog SD HxCFloppyEmulator v1.8.2.40 (fat) & v2.1.2.40 (slim):
- Index signal behavior corrected while the host system attempt to format a drive without image loaded.
Download:
source: hxc2001.free.fr
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