File:Radio Shack TRS-80 Pocket Computer and Cassette Interface Service Manual (26-3501, 26-3503).pdf
Summary
[edit | edit source]Radio Shack's Service Manual for the TRS-80 Pocket Computer and Cassette Interface, catalogue numbers 26-3501 (the Pocket Computer, later called the PC-1) and 26-3503 (the cassette interface). A 40-page scan covering specifications, the block diagram and memory maps, the display and the power supply with the LCD reference voltage adjustment, LSI signal descriptions, servicing (disassembly, LSI replacement, current consumption), cassette operation and the cassette interface tests, the check program, circuit diagrams, and parts lists and exploded views for both units with Radio Shack and manufacturer part numbers. Described on TRS-80 PC-1 Documentation.
Source
[edit | edit source]https://archive.org/details/trs80-pc1-service-manual (retrieved 2026-10-21)
Author
[edit | edit source]Radio Shack, a division of Tandy Corporation (custom manufactured for Radio Shack).
Licence
[edit | edit source]Copyright Tandy Corporation. Hosted for preservation and repair reference, with the source cited.
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 20:09, 21 October 2026 | 0 × 0 (3.44 MB) | Josh (talk | contribs) | Radio Shack service manual for the TRS-80 Pocket Computer (PC-1, 26-3501) and cassette interface (26-3503) |
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