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Sharp MZ-5600 Service Manual

From RetroTechCollection

The Sharp MZ-5600 Service Manual is Sharp Corporation's service manual for the MZ-5600 personal computer, code 00ZMZ5600SM/E. The MZ-5600 is the export version of the Sharp MZ-6500, sold as the MZ-5631, MZ-5641 and MZ-5645. The copy on the wiki is a 143-page scan with an OCR text layer, from the SharpMZ site (formerly sharpmz.org).[1][2][3]

Contents

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The printed page numbers run one behind the PDF page numbers in sections 1 to 18. The circuit diagrams and parts lists that follow have their own numbering.[1]

Section Printed page PDF page
1. MZ-5600 series hardware description: system configuration, specifications, model description 1 2
2. Software configuration: memory maps for CP/M-86 and MS-DOS, IPL sequence 6 7
3. MZ-5600 system block diagram 13 14
4. The CPU and LSI peripheral logic (8086, 8284 clock, 8288, 8259A, reset and ready) 14 15
5. Memory control logic 24 25
6. I/O decoder logic (I/O address map and bit map) 28 29
7. DMA interface logic (µPD8237A) 31 32
8. Floppy disk interface circuit, including adjustments (µPD765) 35 36
9. Printer interface 44 45
10. RTC real-time clock 46 47
11. Programmable sound generator interface (AY-3-8912) 47 48
12. RS-232C interface 48 49
13. Software timer (Z80A CTC) 51 52
14. Display interface (window controller LZ90E07, VDC1 and VDC2, video RAM) 54 55
15. Keyboard and keyboard interface (80C49) 76 77
16. Power circuit: circuit description, overcurrent protection, ALARM, adjustments, troubleshooting 80 81
17. Self check 84 85
18. Terminal view of cables (including the MZ-1C33 for the MZ-5500 and MZ-1F02) 86 87
19. Circuit diagrams, parts and positions, including the power supply board – 90 to 120
20. Parts list and guide: exteriors, CRT PWB, CPU PWB, key PWB, keyboard units, power supply primary and secondary units, expansion unit, packing, index – 121 to 142

[1]

The parts most used for repair:

  • Section 16, the power circuit, with Sharp's adjustment limits and its nine-step bench procedure (PDF pages 81 to 84).[4]
  • Section 17, the self check and its error codes (PDF pages 85 and 86).[5]
  • The power supply board circuit (PDF page 107), hosted as File:Sharp MZ-5600 power supply circuit (service manual).png, and the power supply parts lists (PDF pages 132 and 133), which give every secondary-board capacitor with its reference.[6]

What this manual does not contain

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  • It covers the export MZ-5600. Japanese MZ-6500 models (the A, B and C versions and the MZ-6550) are not described.[1][3]
  • The CPU board parts list gives component types and values without references.[6]
  • The power supply parts list and circuit disagree in places: C17 is 330 µF in the list and 220 µF on the circuit, and C22 and C24 appear in the list but not on the circuit page.[6]
  • No written disassembly procedure for the system unit.[1]
  • The service check program described in the separate Sharp MZ-5600A Diagnostic Manual is not part of this manual.[1]

Pages that cite this document

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Download: Sharp MZ-5600 Service Manual.pdf

References

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  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Sharp Corporation, Service Manual, Personal Computer Model MZ-5600 (code 00ZMZ5600SM/E) (File:Sharp MZ-5600 Service Manual.pdf), cover and contents (PDF page 1) and section 1-2-2, "Model description" (PDF page 2).
  2. ↑ Download datasheets and manuals (MZ-5500 / MZ-5600), SharpMZ—link(accessed 2026-10-21) Source of the file, sharpmz.net/mz-5600/download/5600_sm.pdf: "MZ-5600 Service Manual", 143 pages.
  3. ↑ 3.0 3.1 MZ (コンピュータ), Wikipedia (Japanese)—link(accessed 2026-10-21) MZ-5600: the overseas model of the MZ-6500 (MZ-5631, MZ-5641, MZ-5645).
  4. ↑ Sharp, MZ-5600 service manual (File:Sharp MZ-5600 Service Manual.pdf), PDF pages 81 to 84.
  5. ↑ Sharp, MZ-5600 service manual (File:Sharp MZ-5600 Service Manual.pdf), PDF pages 85 and 86.
  6. ↑ 6.0 6.1 6.2 Sharp, MZ-5600 service manual (File:Sharp MZ-5600 Service Manual.pdf), PDF pages 107, 124, 125, 132 and 133.