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Z88 Service Manual
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Release Notes
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Safety measures
Section 1 - System Description
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1. Introduction To System Description
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2. Build Standard
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3. Architecture
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4. Z80 CPU
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5. System Clocks
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6. Memory Organisation
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7. Eprom Programmer
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8. Display Handling
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9. Keyboard Handling
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10. RS232C Interface
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11. Power Supplies
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Figure 1.1 - Memory Addressing
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Figure 1.2 - LCD Interface Timing
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Figure 1.3 - Keyboard Matrix Interconnections
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Figure 1.4 - Z88 Block Diagram - Part 1
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Figure 1.5 - Z88 Block Diagram - Part 2
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Figure 1.6 - Z88 Circuit Diagram
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Figure 1.7 - Memory Card Circuit Diagrams
Section 2 - Disassembly / Assembly
Section 3 - System Test
Section 4 - Fault Diagnosis and Repair
Section 5 - Parts List
Appendix A - Test Equipment
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Appendix B - Files Download
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Appendix C - Motherboard Modification
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Appendix D - Z88 Clocks
Apps
Gliffy Diagram
Z88 Service Manual
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Section 1 - System Description
Section 1 - System Description
Elpekos
Vic Gerhardi
Owned by
Elpekos
Last updated:
Mar 07, 2017
by
Vic Gerhardi
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Contents :
Figures :
1.1
Introduction To System Description
1.1
Memory Addressing
1.2
Build Standard
1.2
LCD Interface Timing
1.3
Architecture
1.3
Keyboard Matrix Interconnections
1.
4
Z80 CPU
1.4
Z88 Block Diagram (Part 1)
1.
5
System Clocks
1.5
Z88 Block Diagram (Part 2)
1.
6
Memory Organisation
1.6
Z88 Circuit Diagram
1.
7
EPROM Programmer
1.7
Memory Card Circuit Diagrams
1.
8
Display Handling
1.
9
Keyboard Handling
1.
10
RS232C Interface
1.
11
Power Supplies
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