4. TROUBLE SHOOTING
• Baseband components (Component Side)
X101
U203
U204
Reference
U101
U102
U103
U105
U106
U201
U202
U203
U204
U103
U105
U106
CN302
Baseband components (Component Side)
Description
PMIC
P-Channel FET
Analog Main Processor
Digital Main Processor
Memory
Comparator
Analog Switch
MIDI IC
Analog Switch
- 58 -
U101
Reference
U205
LDO
U302
Analog Switch
D101
Diode
D102
Dual Diode
X101
X-TAL
Q302
Dual Transistor
CN101
SIM Connector
CN301
IO Connector
U102
D101
D102
U201
CN101
Q302
U205
U202
U302
Description