Pcb Layout - LG -D722V Service Manual

8. PCB LAYOUT

U8400 : Proximity Sensor
- No Proximity Funtion
FL1105
Switch ,SPDTRF trouble shooting
U6100 : Audio Codec
Audio trouble shooting
FL1106 : Filter, High/Low BandRF
trouble shooting
FL1700 : Duplexer, B8633
RF trouble shooting
FL1202 : Filter, SPDT
RF trouble shooting
U1300 : MMPA, SKY77629
RF trouble shooting
U1701 : RF Tx PAM, B20
RF trouble shooting
FL1203, Duplexer ACMD-6103
RF trouble shooting
FL1201, FEMid, LMSW54GM-G27
RF trouble shooting
FL1102, SP5T
RF1635, RF trouble shooting
FL1100, FL1103 : Coupler
LDJ18829M24AD011RF trouble
shooting
FL110062, Diplexer
DPX202700DT-4162A1
RF trouble shooting
LGE Internal Use Only
LG-D722V_MAIN_EAX65886601_1.0_TOP-1
- 183 -
8. PCB LAYOUT
LD8950 : IRRC LED
- Q-remote not Operate
U1500 : RF Transceiver, WTR1625L
RF trouble shooting
U1100 :
FEMID, D5202 B1, B3, B7, B8,B20
RF trouble shooting
CN4
Contact, Motor
No Motor operation
FL1701 : SAW Filter, B9485
RF trouble shooting
U2100, U3100
MSM8926 & LPDDR2 (8G, POP Type)
Baseband processor
U4100
PMIC, PM8926
Power trouble shooting
U1751 : RF Tx PAM, B7
RF trouble shooting
FL1750, Duplexer
ACMD-6103
RF trouble shooting
CN9100
Battery connector
Can't power on
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