"Found you," she whispered.
The "ghost" was exorcised.
"Where is the short?" she murmured. According to the schematic, the main power rail (VIN) spread like capillaries to three major components: the charging IC (PU301), the main voltage regulator for the 3V/5V standby rails (PU401), and—infamously—a cluster of ceramic capacitors (PC401, PC402, PC403) near the standby regulator. ldb-2 mb 11232-1 schematic
The schematic maps out how the DC jack input voltage converts into specific logic voltages. Troubleshooting usually begins by verifying these primary voltage states: 1. Main Input Stage ( VCC3B / PWR_SRC ) "Found you," she whispered