Defects:

• Some keyboard keys are totally dead.
• Missing +17v and obviously the +12v
• Short-circuit on the psu side, inside the monitor.
• Tape Recorder with the mechanism stucked.

Repairing:

• Replaced most of the Tantalum Capacitors* on the main pcb and on the tape recorder pcb, some are in short-circuit.
• Replaced 1 x Fuse on the CRT Monitor pcb side.
• Repair Tape Recorder, i had to disassemble most parts of the tape recorder mechanism. The lubricant grease was dry and has totally blocked the mechanism of the tape recorder.
• Replaced all pads (Foam Mylar Pad) of the Keytronics Keyboard, the same Keyboard used in SOL-20.

* For this repair i have used only tantalum capacitors, although i usually prefer to use electrolytic capacitors, i used to keep the same aesthetic.

Gallery of the repairing:

123►

Download:

• Luxor ABC-80 Service Manual (1209)
• Luxor ABC-80 PROM & ROM (1080)

Commodore Amiga 2000 – Black Screen of death

The Battery Acid has corroded some pcb tracks (not visible to the naked eye) connected to the pin of the resistor packs RP900 and to MC68000 and probably other IC.

Gallery before cleaning and repair:

Commodore Amiga 2000 – All that glitters is not gold.

After some work it seems to work but still suffers of some problems.

Present problems:

• All Connectors are rusty and uprooted.
• Boot sequence problems, when boot correctly, there are no problems.

Resolved issues:

• Corroded tracks, i have made 12 bridges*.
• Replaced “deflowered” kickstart socket.
• Replaced not working Kickstart 1.2 ROM.
• Replaced 4 x LM33256 (RAM) shorted.

I need to assess whether or not continuing with the repair…

Big gallery of the repairing:

1234►

Welcome back, Commodore Amiga 2000.

I do it very shortly, i don’t like writing a lot because i don’t  have time to do and i don’t like it.

We are left with the Amiga 2000 that sometime works and sometime not.

Defect/Boot Errorr code was: gray / yellow / green / rainbow / out of sync / purple / white.

When this not happen, the boot works perfectly and i can see theusual “hand”

• To fix the problem of the green screen that indicates problems of the RAM, i had to replace 3 x LM33256 (Total RAM replaced: 7), these ram are not shorted but partially functional and 1 x 74LS244.
• To fix the problem of the yellow screen which created problems with the LATCH, i had to replace a 1 x 74LS373.

I have also replaced the socket of the MC68000 CPU and i have discovered another interruption between the pitche and track and also a lot of corrosion and recovered some connectors of an old Amiga 2000 REV 4 motherboard to give an decent aesthetic look to the repaired motherboard.

Now the Commodore Amiga 2000 works perfectly.

Before and after Gallery:

A big disappointing this Commodore SX-64 USA purchased for spare parts to fix aesthetically one of my SX-64 PAL.

Why disappointing? because from the photo’s looked in a very bad shape, rust stains, various diseases and not working.

Conversely after removed the shit from the external case, replaced the booring PLA (906114), general cleaning + keyboard / Floppy Drive test and replaced one keyboard lock, the SX-64 is fully working and aesthetically in good condition.

Now i have for myself four SX-64 where the fourth is NTSC/USA, but honestly i was not looking for the USA version.

I am really unlucky :D

Gallery of the cleaning and repairing:

12►

This is the official demo party results from Revision 2016 (Top 3 Entries only). See also the CSDB Revision 2016 section for more informations.

C64 4K Intro:

• 1 – The Best Intro Ever by Razor 1911.

Mixed Graphics:

• 6 – Vote EvilBot by Laxity.

Mixed Music:

• 4 – 8-bitburgers by Panda Design.
• 5 – A Computer in My Backpack by Lft.
• 9 – Remembrance by Genesis Project.

Mixed Demo:

• 1 – We Are Demo by Fairlight, Noice, Offence.
• 6 – Watch My Balls in Action! by Singular.
• 7 – Decrunch 2016 Invite by DreamWeb.

Download: Revision 2016 Party stuff (1096)

source: 2016.revision-party.net

CBMXfer is a front-end to several command-line utilities for transferring files and working with disk images. CBMXfer makes using those utilities easy by providing a familiar windows interface that removes the need to learn the commandline syntax of each program. CBMXfer also includes a multi-format file and picture viewer.

The commandline utilities are:

• OPENCBM – transfers files/images to/from a real CBM drive connected via an ‘X-cable’ on the parallel port.
• CBMLINK – transfers files/images to/from a real CBM drive connected to a real CBM computer connected to the PC via a serial cable.
• C1541 – a utility from VICE that works with CBM Image Files (ie: D64,D71,D81 files).
• NIBTOOLS – Utilities to transfer images via parallel port. Supports protected disks.
• IMGCOPY – Utility to image IEEE and 1581 disks.

What can I do with it?

• Transfer files to or from real CBM drives
• Create D64 and other images files from real CBM disks
• Write D64 and other files back to real CBM disks
• Transfer files from WITHIN Image Files
• View Commodore files (BASIC, SEQ, Binary, ML, Chr Sets, and Images). Supports all all machine types
• ML viewer is a full two-pass symbolic disassembler!
• Simple file operations like copy, delete, rename
• Launch VICE and attach disk images plus autorun
• Zoom Floppy supported.
• Supports 1581 partitions with OpenCBM
• Format disks
• Supports IEEE drives with Zoom Floppy

Download: CBMXfer v0.41.1 (1223)

source: Steve J. Gray Homepage

Jean-François DEL NERO (who’s behind the HxC SD Floppy Emulator) recently has released a version of the HxC emulator firmware that is compatible with the STM32 chip used in the Gotek floppy emulators.

This means that the great functionality of the HxC SD emulator is now available on cheaper and more widely available hardware.

The bootloader to convert the Gotek floppy drive in HxC compatible must be purchased on the website HXC 2001 by sending an email to Jean-François DEL NERO. The price of the bootloader is one-off 10 Euro per Gotek that you want to update. Future updates of the software are free and can be made from a USB stick

The HXC Usb (Gotek) firmware supports:

Release notes Firmware USB HxCFloppyEmulator v3.0.6.7a

• Tandy TL/2 write issue corrected – glitch filter reduced (Probably solve write issue with some others machines too).
• 2 digits display init issue corrected (I2C timeout reduced).
• LCD support: Characters glitches with some long file name corrected.

Download: USB Stick STM32 (Gotek) HxC Firmware v3.0.6.7a (1180)

source: hxc2001.com

Some new games or tools (Cracked / Trained or Unrealeased) for Commodore 64 have been released from your favorites groups.

Titles:

• Shark +2
• Hugohunt +5D
• Slime 100%
• Slime
• Slime +
• Mystic Mansion +3DG
• JANI 2 +2 [seuck]
• JANI 2 [seuck]
• Wizard’s Doom +3D
• Hessian
• Hessian +5
• Kormi a tetőn [hungarian]
• Spaceman Splorf: Planet of Doom +2D
• Spaceman Splorf: Planet of Doom
• V2 Basic Minesweeper Clone
• Snake
• Crackers Revenge +7DGH
• Dress Up!
• Happy Blocks Basic Preview
• Captain Fizz V1 +9
• Dungeon Wizard +DT
• Stack (My Bitch) Up +
• Telengard Remastered V1.1
• Rodland +7DHI
• Beppe Kid +3DEM
• Chobin II +2DES
• Slime Deluxe
• CRX Race
• Avenger +5DG
• Dragon Hunter Preview +3
• Drugs +5HFTD
• Ylcodrom +1FTD
• Space Defence +D
• Encounter +3DIGF

Download: All Games in One Archive (3746)

source: csdb.dk

Commodore A3640 CPU Card 3.2 Upgrade.

I have updated only the GAL (U209) because the GAL (U204) was already replaced.

Gallery of the work:

Commodore Amiga 4000 Replacing Battery Clock with a CR2032.

Gallery of the work:

Download: AmigaWiki GAL/PAL/PLD (2048)