Motorola Confidential Proprietary
A920/A925Table of Contents
vi Preliminary
PCAP Charger ......................................................................................................................4-34
PCAP Regulators .................................................................................................................4-36
Receive Audio ...................................................................................................................... 4-38
Transmit Audio ......................................................................................................................4-40
PCAP.................................................................................................................................... 4-42
POG ...................................................................................................................................... 4-44
POG Interfaces......................................................................................................................4-46
POG Memory ........................................................................................................................ 4-48
Bluetooth............................................................................................................................... 4-50
GPS RF Circuit ..................................................................................................................... 4-52
GPS Baseband Circuit.......................................................................................................... 4-54
Video Circuit ......................................................................................................................... 4-56
Helen .................................................................................................................................... 4-58
Helen Interfaces .................................................................................................................... 4-60
Helen Flash Memory............................................................................................................. 4-62
Helen SDRAM ......................................................................................................................4-64
SIM Connector ...................................................................................................................... 4-66
Battery Connector (J5400) .................................................................................................... 4-68
Camera Connector (J7600)................................................................................................... 4-70
MMC Connector (J3900) ....................................................................................................... 4-72
Keyboard Connector (JPCH) ................................................................................................ 4-74
Display Connector (J5200) ...................................................................................................4-76
CE Bus Connector (J5000) ................................................................................................... 4-78
Signal Flow Diagram (Side 1) ............................................................................................... 4-80
Signal Flow Diagram (Side 2) ............................................................................................... 4-81
RF Block Diagram ................................................................................................................4-82
Baseband Block Diagram .....................................................................................................4-83
Parts List .....................................................................................................................................5-1
Introduction ............................................................................................................................. 5-1
Electrical Parts List ................................................................................................................. 5-2
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