Sharp MZ-5600 User Manual

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NZ-6600
SHARP
SERVICE MANUAL
COD E :OO Z ft I Z5600Sft l/ E
PERSONAL COMPUTER
MODEL MZ-5600
~-------------- ------ - CO NTENT S-------- -- ------------~
1. MZ 5600 Series Hardware Description ....... , ........................•... 1
2. Software Configuration ................................................ 6
3. MZ-5600 System Block Diagram ........................................ 13
4. The
CPU and LIS Peripheral Logics ....................... • ........... ,. 14
5. Memory Control Logic ..•......................•....•......•......... 24
6. I/O Decoder Logi<; ............••....•.....•.........................• 28
7.
DMA Interface Log;\: ......•...•.....•......•........... • ..•.......... 31
8. MDF Interface circuit ................................................ 35
9 .
Printer Interface ................................................... 44
10 . ATC Real Time Clock· ............................................... 46
11.
Programmab le Sound Generator Interface ................................. 47
12.
AS-232C Interface ................................ . .................. 48
13.
Software Timer ..................................................... 51
14. Displav Interface ........... ............. .. .. ..... ......... • . ........ 54
15.
KeVboard and KeVboard Interface ...................................... 76
16.
Power Circuit ...................................................... 80
17. Self Cheek ......................................................... 84
18.
Terminal View of Cable ............................................... 86
19. Circuit Diagram & Parts & Position
20. Parts
Lin & Guide
SHARP CORPORATION
,

Sharp MZ-5600 Specifications

General

Brand	Sharp
Model	MZ-5600
Category	Desktop
Language	English

Summary

1. MZ-5600 Series Hardware Description

1-1 System Configuration

Describes the complete system configuration including peripheral devices.

1-2 Specifications

Details specifications for CPU, Memory, Display, I/O, and other components.

1-3 System Configuration Block Diagram

Illustrates the system configuration and component interconnections.

2. Software Configuration

2-1 System Bootstrap

Explains the process of booting the MZ-5600 system from disk or hard drive.

2-2 CP/M-86

Details CP/M-86 features, including memory map and commands.

2-5 IPL Sequence

Details the Initial Program Loader (IPL) sequence executed upon system power-up.

3. MZ-5600 System Block Diagram

4. The CPU and LSI Peripheral Logics

4-2 8086-2 Microprocessor

Details the 16-bit microprocessor's highlights, architecture, and functional outline.

4-3 8284 Clock Generator and Driver

Block Diagram

Illustrates the internal block diagram of the 8284 clock generator.

4-4 8288 Bus Controller

4-6 8259A Programmable Interrupt Controller

Pin Configuration

Details the pin layout and functions of the 8259A interrupt controller.

Functional Outline

Explains the 8259A's role as an interrupt controller, vector generation, and priority handling.

4-8 Bus Control Logic

2. Description

Explains how the 8086 maximum mode commands are decoded by the 8288.

4-10. Hold Conversion Circuit

5. Memory Control Logic

5-1 Chip Selection

5-2 Address Multiplexer

5-3 Dynamic RAM Read/Write Logic

Describes the logic and timing for dynamic RAM read/write operations.

5-4 Dynamic RAM Refresh

Explains the dynamic RAM refresh mechanism and timing charts.

6. I/O Decoder Logic

6-1 Block Diagram

6-3 I/O Bit Map

1. System Board I/O Map

7. DMA Interface Circuit

7-1 Block Diagram

7-2 Operational Description

7-4 µPD8237A DMA Controller

1. Highlights

2. Pin Configuration

3. Block Diagram

8. MFD Interface Circuit

8-1 Block Diagram

8-2 Operational Description

8-6 FDC Clock, Write Clock Circuit

8-7 MFD Drive Select Circuit

1. Block Diagram

Shows the block diagram for the MFD drive select circuitry.

2. Operational Description

Explains how the FDC checks drive ready states and signals CPU for disk removal.

8-8 FDC LSI (µPD765)

µPD765 Pin Configuration

µPD765 Block Diagram

9. Printer Interface

9-1 Logic Description

9-2 Control Procedure

9-3 Parallel Interface Signals

10. RTC Real Time Clock

10-1 Block Diagram

10-2 Operational Description

10-4 RP5C01 Real-Time Clock Details

11. Programmable Sound Generator Interface

11-1 Block Diagram

11-2 Logic Description

11-3 Programmable Sound Generator (PSG) Details

12. RS-232C Interface

12-1 Logic Description

12-2 Interface Specifications

12-3 Serial Interface Signal Lines

13. Software Timer

13-1 Block Diagram

13-2 Operational Description

13-3 Channel Description

13-4 Interrupt Processing

Describes how interrupts are processed, including EOI commands and vector handling.

13-5 Distinction of Interrupt Channel

13-7 Z80A CTC

CTC Pin Configuration

14. Display Interface

14-1 Display Interface Functions

Covers capabilities like bitmap graphics, controller, resolution, windowing, and colors.

14-2 Display Specifications

14-5 Display Interface Logic Description

Details logic for GDC, WDC, VDC1, VDC2, and VRAM.

15. Keyboard and Keyboard Interface

15-1 Keyboard Specifications

Details keyboard features, buffer, roll-over, mode indicators, and special keys.

15-2 Keyboard Interface

15-4 Eight-bit Keyboard Processor µPD80C49

16. Power Circuit

16-1. Circuit Configuration

Shows the block diagram of the power supply unit.

16-2. Description of the Power Supply Circuits

16-3 Troubleshootings

Provides tips and procedures for troubleshooting power supply issues.

17. Self Check

17-1 Self Check Functions

Lists the self-check items automatically provided by the MZ-5500.

17-2 Check Procedures

Describes how to perform self-checking and interpret results.

17-3 Self Test Messages on Display

19. Circuit Diagrams and Board Layouts

System Block Diagram

Overall system block diagram showing major components.

CPU PWB Schematic

Power Supply Board Schematic

Keyboard Layout and Schematic

20. Parts List & Guide

1. External Parts and Accessories

2. Printed Circuit Board Units

Lists parts for CRT, CPU, Key, and Power Supply PWB units.

5. Keyboard Units

Lists parts for different keyboard models (MZ1K09, MZ1K10, MZ1K11).

11. Expansion Memory Units