Radio Shack 26-3653 Manuals

Manuals and User Guides for Radio Shack 26-3653. We have 1 Radio Shack 26-3653 manual available for free PDF download: Service Manual

Radio Shack 26-3653 Service Manual

Radio Shack 26-3653 Service Manual (34 pages)

PC-4 Pocket computer and cassette interface

Brand: Radio Shack | Category: Handhelds | Size: 1 MB

Table of Contents

Specifications
2
Block Diagram
4
CPU (Central Processing Unit)
4
- Features
  5
- CPU Block Diagram
  5
- CPU Signal Descriptions
  6
RAM (Random Access Memory)
7
- Ram2
  7
Servicing
8
- Troubleshooting
  9
  - B Key Entry
    9
  - Cram1
    10
  - Discrimination between CPU and RAM1
    11
- Test Program
  12
Program Command List
14
Error Message List
16
- Cassette Interface
  17
Specifications
17
Block Diagram
17
Lsi (Hd43110)
18
Circumference Circuits
19
- Clock Pulse Generator
  19
- Remote Control Circuit
  19
- Shaping Circuit and Filter
  19
Servicing
21
- Disassembly
  21
- Troubleshooting
  22

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