Fingerprint sensor section of the Samsung Galaxy A30s (SM-A30S) schematic, saved as a 4.30 MB PDF. It covers the sensor connector, its supply, interrupt, reset and data lines to the processor. Use it when the fingerprint reader is not detected or will not register, to check the supply at the connector and trace the signals for opens or damaged protection parts. Opens in a standard PDF viewer; note that a sensor fault can also be firmware related, so test hardware before replacing parts.
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 @phoneSchematics. 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.