Samsung Galaxy S3 I9300 Schematic Diagram Apr 2026

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

Covers the Broadcom chips for GPS/GLONASS (BCM47511) and the Murata module for dual-band WiFi and Bluetooth 4.0. PMICs (Power Management Integrated Circuits)

How to Solve the Common Samsung Galaxy S3 Problems - ETrade Supply specialized radio frequency (RF) paths