Focuses on the MAX77693 and MAX77686
PMICs (Power Management Integrated Circuits), which regulate voltage across the motherboard. Maps the Wolfson Microelectronics audio hub
The is a foundational document for engineers and repair professionals, detailing the intricate electrical architecture of one of Samsung's most historically significant flagship devices. Often referred to under its internal codename "MIDAS," the schematic reveals a multi-sheet layout that maps the phone's quad-core processing power, specialized radio frequency (RF) paths, and complex power management systems. Core System Architecture Samsung Galaxy S3 I9300 Schematic Diagram
Details the 2G/3G RF transceiver chip (often the PMB5712) and its associated antenna filters and oscillators.
Covers the Broadcom chips for GPS/GLONASS (BCM47511) and the Murata module for dual-band WiFi and Bluetooth 4.0. Focuses on the MAX77693 and MAX77686 PMICs (Power
At the heart of the I9300's schematic is the . The diagram illustrates its tight integration with 1GB of LP DDR2 RAM and 16GB/32GB/64GB NAND Flash memory. Key technical highlights include:
For technicians, these diagrams are essential for diagnosing common hardware failures: Core System Architecture Details the 2G/3G RF transceiver
and the first-of-its-kind for a Samsung flagship. Professional Repair Utility