/pub/cbm/schematics/computers/c128/power/

Power supplies of the Commodore 128 computers
Scanned by Martin Buchty, uploaded by Oliver Weissflach, improved by William Levak

Files

ps-128.gif 1999-11-17 57798
External switching power supply for the flat Commodore 128. This looks
like a hand-made copy of the Mitsumi power supply schematic, Commodore
part number 252449-01, page 78 of the service manual.

ps-128d-german.gif 2000-03-09 124231
Internal switching power supply for the 128D (plastic case), German version
(Schaffer BV 223-5-04008)

ps-128d-japanese.gif 2000-03-09 107532
Internal switching power supply for the 128D (plastic case), Japanese version
(Nagano Japan Radio Co. Ltd, 310639-03, NJD-1978)

ps-128dcr-usa.gif 2000-08-18 568269
Internal switching power supply for the 128DCR (metal case), USA version;
includes measurement points and expected waveforms

ps-128dcr1.gif 2014-10-04 61347
Internal switching power supply for the 128DCR (metal case), 1st version
(linearly regulated 12 volts DC output)

ps-128dcr2.gif 2000-03-09 108721
Internal switching power supply for the 128DCR (metal case), 2nd version
(Tohoku Metal Industries 1403Et, 5628-C001-00)

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