Bottom copper artwork for the Matrix i4 amplifier board rated 250 watts at 4 ohms, labelled langsung print, meaning ready for direct printing. Delivered as a 143 KB PDF, it shows tracks for etching or for tracing rails, grounds and feedback on an existing board. During repair it helps find open or burnt tracks around the output stage. Pair it with the matching top overlay, print without page scaling and confirm pad spacing against real component footprints before transferring to copper.
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.