Pcb Layout - LG KC780 Service Manual

10. PCB LAYOUT

CN201
Main-Camera B to B
connector
Can't operate camera
U302
I/O connector
Can't charge, download
SW and use the Ear-MIC
U302
Analog Switch for USB
Can't operate USB
U206
Analog switch for
Speaker and receiver
No sound
U101
Memory
No power on
CN401
Battery connector
No power on
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CN301
Main-Slide key B to B
connector
No power on
No LCD display
No sound
U404
Audio AMP
No sound through
Speaker and Ear-mic
U503
BT and FM radio chip
Can't operate BT and FM
radio
U303 Accel IC
No accel sensing
CN305
Main-Key B to B
connector
Can't operate MIC and
keys
U205
Multimedia Chip
No display
LGE Internal Use Only