File:Philips NMS 8280 power supply circuit (service manual).png
Summary
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Circuit diagram of the NMS 8280 power supply U101 with the main board end of its output connector: mains through L901, F1001 and SW901 to the transformer; +5 V through F1050, bridge D1050 to D1053 (C01-02F), C1050 and the STR9005 regulator IC1053 with C1051; +12 V through bridge D1054 to D1057 (DSF10C), F1051, C1052 and IC1051 (L7812-RA) with C1053; -12 V through R1050 and IC1052 (AN79M12) with C1054; C101, C102 and C103 on the main board; +5 V and +12 V to both floppy drives. Cropped from page 21 (sheet CS 9 271) of the service manual 4822 727 15939.
Source
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Rendered from File:Philips NMS 8280 Service Manual 4822 727 15939.pdf, page 21.
Author
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Philips Service Consumer Electronics.
Licence
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Copyright Philips. Hosted for preservation and repair reference, with the source cited.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:44, 21 October 2026 | | 899 × 805 (101 KB) | Josh (talk | contribs) | NMS 8280 power supply diagram from the service manual |
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