File:Atari 800XL audio amplifier U1 and audio inputs (Sams CC11).png
Summary
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Detail of the main schematic in Sams Computerfacts CC11, Atari Model 800XL (July 1985), pages 27-29: the two halves of the LM358P audio amplifier U1 with R1-R11, C17, C20, C21 and C24; the key-click feed from GTIA pin 15 through C23 and R5; the SIO audio input from J1 pin 11 through C19 (with C110); the expansion audio input through C22; and the output from U1 pin 1 through R8 (with R10 to ground) to J2 pin 3. Sams' DC readings (1.7 V at the op-amp pins, 4.3 V supply) are printed on the drawing.
Source
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Cropped from File:Sams Computerfacts Atari 800XL (CC11).pdf, PDF page 25, at the scan's 200 dpi.
Author
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Howard W. Sams & Co.
Licence
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Copyright Howard W. Sams & Co., 1985. Not freely licensed. Hosted for preservation and repair reference, with the source cited.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:11, 25 October 2026 | | 1,200 × 570 (10 KB) | Josh (talk | contribs) | Upload for repair guide |
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