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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.13.2 Checking BT IC Block
TP03
TP04
TP05
TP03
TP04
TP05
2.75V(C725)
1.8V(C719)
Socket Board ( Bottom side)
Analog GND must be Isolated from
Common GND on L1, L2 and L3
Rev.C
RF GND: Isolate from Common GND
Rev.1.0
Rev.1.1
on L1, L2 and L3
0.1u
C777
C717
220n
220n
C729
VDDK_2V75
220n
C732
VDDE_1V8
VSS_BT_RF
R710
0
smd_0603h_25_r
CN704
1
VSS_BT_ANA
VSS_BT_ANA
VSS_BT_ANA
DEA212450BT-7043C1
FL702
5
BP1
4
BP2
BP_DC
2
3
G1
6
G2
1
U_BP
C719
0.1u
VDDE_1V8
smd_0603h_3_r
C730
220n
C6
VSSANA3
VSSDIG1
E3
E4
VSSDIG2
VSSRF1
A2
VSSRF2
A5
B5
TEST1
TEST2
A6
D7
VDD_CL
VDD_CLD
E7
G2
VDD_D
VDD_DSM
B7
C7
VDD_N
VDD_RF
A1
VIO_A
G5
F3
VIO_B
B4
VSSANA1
VSSANA2
B6
GPIO_11
B3
GPIO_16
F7
HOST_WAKEUP
A7
HVA
HVD
G1
RFN
A4
A3
RFP
E5
AF_PRG
E6
CLK_REQ_IN_1
G6
CLK_REQ_IN_2
CLK_REQ_OUT_2
G7
E2
CONFIG_1
CONFIG_2
F1
F2
CONFIG_3
GPIO_0
D5
GPIO_10
C716
0
C725
smd_0603h_3_r
0.1u
CN703
25SMT-4442-01
1
C731
220n
VSS_BT_RF
VSS_BT_RF
R709
DNI
BT_CLKREQ_n
ACC_GP_SPI_BT_IRQ
TP03
TP04
TP05
Содержание TU750
Страница 1: ...Service Manual Model TU750 Internal Use Only Service Manual TU750 Date January 2009 Issue 1 0 ...
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