Table of contents schematic : RADIO AND AP SCHEMATIC INSTANTIATION, BOARD, NAND FLASH, SERIAL FLASH, BANK ZERO, RGB/CLCD, TVOUT, AUDIO INTERFACE, HP, ASHLEY PMU, SIM,ACCEL,VIBE, GYRO, HIGHLAND PARK, SWITCHES, DOCK, NIMBUS, GRAPE, LCD CONN, CAMERA, STROBE, ALS, PROX, RADIO CONNECTIVITY, TEST POINTS, BASEBAND AUDIO & IO, BASEBAND MEMORY, BASEBAND POWER SUPPLY, GSM & UMTS TRANSCEIVER – SMARTI UE, POWER AMPS AND RF FRONT-END MODULE, SYSTEM CONNECTORS, DEBUG CONNECTOR, GPS, WLAN/BLUETOOTH/FM RADIO
Iphone 4 PCB BACK:-
Iphone 4 PCB FRONT:-
Schematics Download Link Here