File:Sharp MZ-80K power supply trouble shooting chart (service manual).png
Summary
[edit | edit source].png&veaction=edit§ion=1){kind=link}
.png&action=edit§ion=1){kind=link}
Sharp's "Trouble Shooting Chart (DBOXD0005PAZZ for UK)" for the MZ-80K power supply, printed page 15 of the MZ-80K service manual. Four flow charts: no voltage at any output (check for 240 V AC across C101, then F101 and T101); −5 V missing (10 V AC on the orange lead, 11 V DC across C201, −5 V across C202; F201, D201, C201, IC1, R201, VR201, C202, L201, F202); +12 V missing (20 V AC on the yellow lead, 23 V DC across C301, 12 V across C404, a 0.3 Vp-p pulse at pin 12 of IC2 with R403 open; D301, D302, IC2, L402, F401); and +5 V missing (the same checks with C507, R503, IC3, L503 and F501). The chart for the 220 V unit on printed page 13 gives 9 V AC and 10 V DC for the −5 V section. Full manual: File:Sharp MZ-80K Service Manual.pdf.
Source
[edit | edit source].png&veaction=edit§ion=2){kind=link}
.png&action=edit§ion=2){kind=link}
Rendered from PDF page 17 of File:Sharp MZ-80K Service Manual.pdf (from https://www.sharpmz.net/mz-80k/download/sm80k.pdf, retrieved 2026-10-21) at 150 dpi.
Author
[edit | edit source].png&veaction=edit§ion=3){kind=link}
.png&action=edit§ion=3){kind=link}
Sharp Corporation.
Licence
[edit | edit source].png&veaction=edit§ion=4){kind=link}
.png&action=edit§ion=4){kind=link}
Copyright Sharp Corporation. Hosted for preservation and repair reference, with the source cited.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:00, 21 October 2026 | | 1,197 × 1,652 (82 KB) | Josh (talk | contribs) | MZ-80K power supply trouble shooting chart from the Sharp service manual |
You cannot overwrite this file.
File usage
The following 3 pages use this file:
.png&oldid=28514){kind=link}