File:Sharp X68000 XVI Service Manual.pdf

Sharp service manual No. CZ-134 for the X68000 XVI personal computer, models CZ-634C-TN (XVI) and CZ-644C-TN (XVI-HD), issued by Sharp in April 1991. Japanese, 95 PDF pages covering printed pages 1 to 112, with the circuit diagrams and board layouts on fold-out pages. Contents: features and specifications, block diagram, memory map, I/O port addresses, interrupts, display, sound and peripheral LSI descriptions, interface pin-outs, circuit diagrams and component-side layouts of the main board, control board, I/O and connector boards, analogue board, power supply (UADP-0069CEZZ) and keyboard, IC pin signals, packing and the disassembly sequence. This copy was re-rendered from the 97 MB Internet Archive file to about 20 MB: greyscale throughout except the cover, with the fold-out schematic pages kept at about 2,900 pixels wide so the component values remain legible.

Internet Archive item CZ134X68000ServiceManual, file Cz-134-X68000ServiceManual.pdf: https://archive.org/details/CZ134X68000ServiceManual . Sharp also distributes the same manual free of charge as an e-book through its COCORO BOOKS store (サービスマニュアル X68000 CZ-634C/CZ-644C, released 13 January 2015): https://galapagosstore.com/web/book/detail/sstb-B215-1215000-sm-cz-634c (retrieved 2026-10-21)

Sharp Corporation

Copyright Sharp Corporation. Sharp republished the manual free of charge for preservation and reference. Hosted here for preservation and repair reference, with the source cited.