: Details the connections for the loud speaker, microphone, and 3.5mm earphone jack. Signal paths include MICBIAS_2V8 RF & Network
: Connects the mainboard to the 2.0-inch TFT screen. Key lines include and multiple backlight channels ( Audio Section Samsung B310e Schematic Diagram
lines. It is often the first point of troubleshooting for power-related failures. Display & Backlight (LCD) : Details the connections for the loud speaker,