File:Sony HB-55P HB-75P power board circuit (service manual).png
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Summary
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The power board section of Sony's HB-55P/75P/75B schematic (page 5-24): bridge rectifier D6 (RB-402) and reservoir C1 (10000 µF 16 V) feeding the 5 V board's SI-3052V (IC1); D1 and D2 with C2 (3300 µF 25 V) feeding the 12 V board's SI-3122V (IC2); D3 and D4 with C3 (330 µF 35 V) feeding the NJM79L12 (IC3) for −12 V; connectors CN5 to the main board and CN1, the 6-pin audio/video socket; the LED board.
Source
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Cropped from File:Sony HB-55P HB-75P HB-75B Service Manual.pdf, page 5-24.
Author
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Sony Corporation.
Licence
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Copyright Sony Corporation. Hosted for preservation and repair reference, with the source cited.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:34, 21 October 2026 | | 2,473 × 1,518 (68 KB) | Josh (talk | contribs) | Upload for Sony HB-55 repair pages |
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