Bottom copper layer of the R2 power amplifier PCB rated 1500 watts at 2 ohms, marked langsung print, Indonesian for direct print. Supplied as a 617 KB PDF, it contains the track pattern needed for etching or for tracing rails and feedback paths on an existing board. Heavy supply tracks on a high-power design should be inspected for cracks and burnt areas during repair. Print without scaling, check pad spacing against real parts and pair it with the matching top-side overlay.
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 @pdf_servicemanual. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.