Free Retro Repair Downloads
Service manuals, schematics, reference guides, 3D printable parts, label templates and software from the Mark Fixes Stuff workshop, including a large collection of Sams Computerfacts. Everything here is free to download.
Includes 43 Sams Computerfacts technical service packs, the classic repair technician’s guides with schematics, waveforms, service checks and parts lists for home computers and disk drives of the 1980s. Jump to a machine:
Sinclair ZX Spectrum
Software, manuals and audio for the ZX Spectrum, including service manuals for the Spectrum 128 and +2, the Ram Music Machine and a speedloading copy of Jeff Minter’s Traxx you can load into a real Spectrum from an MP3.
Ram Music Machine Demo Song Tape, Side A (MP3)
Size: 805 KB
Published: 28 October 2026
Ram Music Machine Demo Song Tape, Side B (MP3)
Size: 855 KB
Published: 28 October 2026
Ram Music Machine Software for ZX Spectrum (TZX)
Size: 27 KB
Published: 28 October 2026
Ram Music Machine User Guide for ZX Spectrum (PDF)
Size: 11.5 MB
Published: 28 October 2026
Sinclair ZX Spectrum +2 Service Manual (PDF)
Size: 810 KB
Published: 29 October 2026
Sinclair ZX Spectrum 128 Service Manual (PDF)
Size: 10.4 MB
Published: 29 October 2026
Traxx (1983) ZX Spectrum Speedload Audio (MP3)
Size: 551 KB
Published: 28 October 2026
Amstrad CPC
Service manuals for the Amstrad CPC464 and CPC664, the CTM644 and GT65 monitors, and the DDI-1 / FD-1 disc drives.
Amstrad CPC464 Service Manual (PDF)
Size: 4.0 MB
Published: 29 October 2026
Amstrad CPC664, CTM644 and GT65 Service Manual (PDF)
Size: 11.5 MB
Published: 29 October 2026
Amstrad DDI-1 / FD-1 Disc Drive Service Manual (PDF)
Size: 4.0 MB
Published: 29 October 2026
Atari
Sams Computerfacts service data for the Atari 400, 800, 800XL, 130XE and 520ST, the 130XE Reference Manual, the 520ST/1040ST Field Service Manual and the 810 and 1050 disk drives, plus 3D printable parts for the Pico A10400 multicart, editable Atari 2600 cartridge label templates and Atari’s own 1980 guide to servicing electronic games.
Atari “The Book”: A Guide to Electronic Game Operation and Servicing (1980 PDF)
Size: 14.2 MB
Published: 28 October 2026
Atari 130XE Reference Manual (PDF)
Size: 1.7 MB
Published: 29 October 2026
Atari 520ST / 1040ST Computer Field Service Manual (PDF)
Size: 64.2 MB
Published: 28 October 2026
Atari VCS / 2600 Cartridge Label Template – Black – Defender
Size: 3.2 MB
Published: 21 October 2025
Pico A10400 Atari 2600 & 7800 Multicart Case – Mark Fixes Stuff Version
Size: 235 KB
Published: 23 October 2026
Pico A10400 Atari VCS-Style Reset Button Extension – STL
Size: 7 KB
Published: 23 October 2026
Pico A10400 CX40-Style Power Button – STL
Size: 68 KB
Published: 23 October 2026
Sams Computerfacts CC11: Atari 800XL Service Data (PDF)
Size: 14.9 MB
Published: 28 October 2026
Sams Computerfacts CC16: Atari 130XE Service Data (PDF)
Size: 6.9 MB
Published: 28 October 2026
Sams Computerfacts CC5: Atari 400 Service Data (PDF)
Size: 53.4 MB
Published: 28 October 2026
Sams Computerfacts CC7: Atari 800 Service Data (PDF)
Size: 46.0 MB
Published: 28 October 2026
Sams Computerfacts CD13: Atari 1050 Disk Drive Service Data (PDF)
Size: 42.2 MB
Published: 28 October 2026
Sams Computerfacts CD9: Atari 810 Disk Drive Service Data (PDF)
Size: 51.6 MB
Published: 28 October 2026
Sams Computerfacts CSCS12: Atari 520ST Service Data (PDF)
Size: 17.6 MB
Published: 28 October 2026
Commodore and Amiga
Sams Computerfacts service data for the VIC-20, Commodore 64 (three versions), 16, Plus/4, 128, 128D and Amiga 500, and the 1541, 1541-II, 1571 and 1581 disk drives, plus Commodore’s official Amiga A600 schematics, the complete AmigaDOS Manual and a handy C64 disk commands cheat sheet.
Commodore 64 and 128 Disk Commands Reference Guide (PDF)
Size: 65 KB
Published: 28 October 2026
Commodore Amiga A600 System Schematics (P/N 400422-02 PDF)
Size: 4.4 MB
Published: 28 October 2026
Sams Computerfacts CC17: Commodore 64 (1984 Version) Service Data (PDF)
Size: 4.8 MB
Published: 28 October 2026
Sams Computerfacts CC18: Commodore 128 Service Data (PDF)
Size: 28.7 MB
Published: 28 October 2026
Sams Computerfacts CC20: Commodore 64 and 64C (1986 Version) Service Data (PDF)
Size: 18.4 MB
Published: 28 October 2026
Sams Computerfacts CC3: Commodore VIC-20 Service Data (PDF)
Size: 10.1 MB
Published: 28 October 2026
Sams Computerfacts CC4: Commodore 64 Service Data (PDF)
Size: 15.2 MB
Published: 28 October 2026
Sams Computerfacts CC8: Commodore 16 Service Data (PDF)
Size: 3.0 MB
Published: 28 October 2026
Sams Computerfacts CC9: Commodore Plus/4 Service Data (PDF)
Size: 10.8 MB
Published: 28 October 2026
Sams Computerfacts CD12: Commodore 1571 Disk Drive Service Data (PDF)
Size: 19.1 MB
Published: 28 October 2026
Sams Computerfacts CD20: Commodore 1541-II Disk Drive Service Data (PDF)
Size: 14.7 MB
Published: 28 October 2026
Sams Computerfacts CD22: Commodore 1581 Disk Drive Service Data (PDF)
Size: 17.6 MB
Published: 28 October 2026
Sams Computerfacts CD4: Commodore VIC-1541 / 1541 Disk Drive Service Data (PDF)
Size: 12.3 MB
Published: 28 October 2026
Sams Computerfacts Commodore 128D Service Data (PDF)
Size: 25.2 MB
Published: 28 October 2026
Sams Computerfacts CSCS26: Commodore Amiga 500 Service Data (PDF)
Size: 8.7 MB
Published: 28 October 2026
The AmigaDOS Manual 3-in-1 (1986 PDF)
Size: 14.3 MB
Published: 28 October 2026
Sega
Sega’s official maintenance manuals for the Mega Drive (PAL-G) and the Mega-CD.
Sega Mega Drive Maintenance Manual (PAL-G, 1992 PDF)
Size: 3.4 MB
Published: 28 October 2026
Sega Mega-CD Maintenance Manual (Export, 1992 PDF)
Size: 3.1 MB
Published: 28 October 2026
Vectrex
Service and troubleshooting documents for the GCE Vectrex vector games console.
Vectrex HP-3000 Service Manual (PDF)
Size: 1.5 MB
Published: 29 October 2026
Vectrex Trouble-Shooting Guide (GCE PDF)
Size: 418 KB
Published: 29 October 2026
Apple
Sams Computerfacts service data for the Apple II, II Plus, IIe and IIc, plus the Apple Disk II drive.
Sams Computerfacts CC1: Apple II and II Plus Service Data (PDF)
Size: 54.6 MB
Published: 28 October 2026
Sams Computerfacts CC10: Apple IIe (A2S2064) Service Data (PDF)
Size: 65.3 MB
Published: 28 October 2026
Sams Computerfacts CD6: Apple II Disk Drive (A2M0003) Service Data (PDF)
Size: 27.2 MB
Published: 28 October 2026
Sams Computerfacts CSCS7: Apple IIc (A2S4000) and Monitor A2M4090 Service Data (PDF)
Size: 79.7 MB
Published: 28 October 2026
Tandy and Radio Shack
Sams Computerfacts service data for the TRS-80 Model I, III and 4, the TRS-80 Color Computer and Color Computer 2, Tandy 1000SX and 1000EX, and the TRS-80 disk drive, plus Radio Shack’s Color Computer Technical Reference Manual.
Radio Shack TRS-80 Color Computer Technical Reference Manual (PDF)
Size: 5.5 MB
Published: 28 October 2026
Sams Computerfacts CC13: Radio Shack TRS-80 Color Computer (26-3002) Service Data (PDF)
Size: 29.1 MB
Published: 28 October 2026
Sams Computerfacts CC15: Radio Shack TRS-80 Color Computer 2 (26-3134, 26-3136) Service Data (PDF)
Size: 15.8 MB
Published: 28 October 2026
Sams Computerfacts CD7: Radio Shack TRS-80 Disk Drive (26-1160, 26-1161) Service Data (PDF)
Size: 13.9 MB
Published: 28 October 2026
Sams Computerfacts CSCS13: Radio Shack TRS-80 Model 4 (Gate Array Version) Service Data (PDF)
Size: 86.5 MB
Published: 28 October 2026
Sams Computerfacts CSCS19: Tandy 1000SX Service Data (PDF)
Size: 58.5 MB
Published: 28 October 2026
Sams Computerfacts CSCS21: Tandy 1000EX Service Data (PDF)
Size: 32.2 MB
Published: 28 October 2026
Sams Computerfacts CSCS3: Radio Shack TRS-80 Model I (Level II) Service Data (PDF)
Size: 26.6 MB
Published: 28 October 2026
Sams Computerfacts CSCS5: Radio Shack TRS-80 Model III (26-1063) Service Data (PDF)
Size: 62.7 MB
Published: 28 October 2026
IBM PC and Compatibles
Sams Computerfacts service data for the original IBM PC 5150, the IBM PS/2 Model 25, the AT&T 6300 and the Compaq Portable, plus Tandon and TEAC floppy drives used in PCs of the era.
Microsoft Windows 3.1 Install Disks 1 to 6 (ZIP)
Size: 7.3 MB
Published: 29 October 2026
MS-DOS 6.22 Boot Disk Image (1.44 MB IMG, ZIP)
Size: 927 KB
Published: 29 October 2026
Sams Computerfacts AT&T PC 6300 Service Data (PDF)
Size: 29.4 MB
Published: 28 October 2026
Sams Computerfacts CD17: TEAC FD-55BV-75 Disk Drive Service Data (PDF)
Size: 22.4 MB
Published: 28 October 2026
Sams Computerfacts CD8: Tandon TM100-2/2A Disk Drive Service Data (PDF)
Size: 23.2 MB
Published: 28 October 2026
Sams Computerfacts CSCS15: Compaq Portable Service Data (PDF)
Size: 10.4 MB
Published: 28 October 2026
Sams Computerfacts CSCS2: IBM PC 5150 Service Data (PDF)
Size: 33.7 MB
Published: 28 October 2026
Sams Computerfacts: IBM Personal System/2 Model 25 Service Data (PDF)
Size: 9.4 MB
Published: 28 October 2026
Other Computers
The Acorn Electron Service Manual, plus Sams Computerfacts service data for the Texas Instruments TI-99/4A, the Sanyo MBC-550 and MBC-555, and the Osborne 1 (in three parts).
Acorn Electron Service Manual (PDF)
Size: 659 KB
Published: 29 October 2026
Sams Computerfacts CC2: Texas Instruments TI-99/4A (PHC004A) Service Data (PDF)
Size: 34.0 MB
Published: 28 October 2026
Sams Computerfacts CSCS11: Sanyo MBC-550 and MBC-555 Service Data (PDF)
Size: 29.0 MB
Published: 28 October 2026
Sams Computerfacts Osborne 1 (OCC1): Disk Drive Service Data (PDF)
Size: 32.2 MB
Published: 28 October 2026
Sams Computerfacts Osborne 1 (OCC1): Main Logic and Power Supply Service Data (PDF)
Size: 43.6 MB
Published: 28 October 2026
Sams Computerfacts Osborne 1 (OCC1): Preliminary Service Checks Service Data (PDF)
Size: 14.0 MB
Published: 28 October 2026
Sony and PlayStation
PlayStation service manuals, schematics and a laser alignment guide, plus Sony Trinitron service manuals including the PVM-1953MD and PVM-2053MD professional video monitors loved by retro gamers and the hard to find KV-X2932U CRT TV.
Laser Alignment in a Sony PlayStation SCPH-1002 (PDF Guide)
Size: 647 KB
Published: 28 October 2026
Sony PlayStation SCPH-7500 Series Service Manual, Part 1 (PDF)
Size: 1.6 MB
Published: 28 October 2026
Sony PlayStation SCPH-7500 Series Service Manual, Part 2 (PDF)
Size: 1.5 MB
Published: 28 October 2026
Sony PSone SCPH-101 Schematic Diagram (PDF)
Size: 5.3 MB
Published: 28 October 2026
Sony PVM-1953MD / PVM-2053MD Trinitron Monitor Service Manual (PDF)
Size: 14.3 MB
Published: 28 October 2026
Sony Trinitron KV-X2932U Service Manual (English PDF)
Size: 13.8MB
Published: 28 October 2026
About these downloads
Most downloads go with a repair, build or review on the blog, so check the matching blog post or video for how they were used. Vintage manuals are shared to help keep old hardware running. If you hold the rights to anything here and would like it removed, get in touch and I will take it down.
