Table-based version
Directory /pub/cbm/schematics/computers/vic20/
The VIC-20 and the VIC-20CR
- ../
- [Parent directory]
- cartridges@
- Commodore VIC-20 cartridges
- drives@
- Disk drives
- firmware@
- System firmware
- 251027l1.gif
- 251027l2.gif
- 251027l3.gif
- 251027r1.gif
- 251027r2.gif
- 251027r3.gif
- VIC-20CR rev.D (NTSC, new design). Assy number 251027-01. The PAL model
has a crystal frequency of 4433618 Hz, and there is an extra 56pF capacitor
on the solder side of the board, soldered parallel to R5.
- 324001_1.gif
- 324001_2.gif
- 324001_3.gif
- VC-20 rev.B (PAL, old design). Assy number 324001-03. Bad scanning quality.
- vic20-left.tiff
- vic20-middle.tiff
- vic20-right.tiff
- This diagram is scanned from the Commodore VIC-20 Programmer's Reference
guide. It describes an early NTSC motherboard and most probably contains
some errors, like the Commodore 64 schematic from the Commodore 64 PRG
does.
- vic20bus.gif
- A block diagram of the VIC-20 bus signals.
- vic20mod.gif
- The VIC-20 RF modulator (PAL).
[FTP://NIC.FUNET.FI/pub/cbm/schematics/computers/vic20/ | SunSITE ftp | SunSITE http]
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