Schematic for the ADP-30JH charger built with the DAP018B controller, compressed into a 78.7 KB rar. This low-power adapter uses a flyback design, so the drawing shows the input rectifier, the controller pins and supply, the transformer and the secondary feedback network. Technicians use it to find shorted switching parts, open startup resistors or a failed optocoupler when the unit is dead. Confirm that the controller fitted on your PCB is a DAP018B and discharge the bulk capacitor before measuring anything.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @schematicslaptop. Enginerys does not host this file.
All sources (10)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 29 Nov 2021 | Open file on RM Schematics |
| @pepeelectronica | 20 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 24 Apr 2022 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 4 Jul 2026 | Open file on RM Schematics |
| @cyberlanelectonik | 14 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 23 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.