File:Tandy 1000 EX 28 W power supply 8790083 schematic (Technical Reference Manual).png
Summary
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Schematic of the Tandy 1000 EX 28 W single-input switching power supply, part number 8790083 (Tamura Seisakusho drawing 3P-M1-0163). It shows the mains input, the ringing choke converter around Q1, the +12 V (D6, C9, L2, C10), +5 V (D9/D10, C11, C12, L3, C13) and -12 V (D11, C14, IC1, C15) outputs, the TL431 (IC2) and photocoupler feedback, and the SCR1 crowbar, with the output connector SK2 pin assignments.
Source
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Rendered from File:Tandy 1000 EX Technical Reference Manual (25-1510, 1986).pdf, PDF page 107, at 200 dpi and cropped.
Author
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Tamura Seisakusho Co., Ltd., for Tandy Corporation.
Licence
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Copyright 1986 Tandy Corporation. Hosted for preservation and repair reference, with the source cited.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:47, 22 October 2026 | | 2,100 × 1,452 (71 KB) | Josh (talk | contribs) | Upload for the Tandy 1000 EX and HX pages |
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