LG CT815 Service Manual page 179

9. PCB LAYOUT
J401 3.5pi Ear-Jack
Conn.
U506 Motion Sensor
Can not rotate the screen
automatically
CN604 B to B conn.
Can not power on
Don't operate vibrator
Don't detect USIM
Can not operate Camera
SW601 Jog Dial
S501 Micro-SD Socket
Can not use a micro-SD
U401 Battery
Charging TR.
Can not Charge
U302 Memory
Can not boot
MSM7201A (BB chipset)
Can not power on
No LCD Display
No Service
U101 RTR6285
WCDMA/GSM
RX Sensitivity & TX Power
No Service
U406 PM7540 (PMIC)
Can not power on
Can not charge
No Service
U106 WCDMA Dual-PAM
WCDMA II, V TX
Power
No Service
FL110/FL113 WCDMA(I, II) RX SAW
WCDMA(I, II) RX
Sensitivity
No Service
LGE Internal Use Only
CT815
- 180 -
CN603 LCD Conn.
No LCD Display
U402 OVP TR.
U104 GPS LNA
No GPS Signal Detection
CN401 u-USB Conn.
Can not operate USB
Don't charge
U403 USB Trans.
Can not operate USB
U503 Audio IC
No Sound
U502 LCD Backlight
Charge Pump
No Display
X101 VC-TCXO
No Service
FL105 GSM Lowband
TX SAW (Switching SAW)
TX Power
No Service
U102 GSM PAM
GSM TX Power
No Service
FL102 FEM
WCDMA/GSM
RX Sensitivity &
TX Power
No Service
U108 WCDMA PAM
WCDMA I TX Power
No Service
FL107(V)/FL109(II)/FL112(I)
Duplexer
WCDMA TX Power &
RX Sensitivity
No Service
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