- 112 -
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
TP8
TP404
4.7u
C421
2.2u
C400
VREG_CAM_AF_2.8V
51K
R421
22p
C405
22p
C407
R409
200K
D401
VREG_MSMP_2.6V
TP402
TP403
0
R410
K
0
5
1
1
1
4
R
4.7
R412
4.7u
L400
L401
4.7u
4.7u
L402
K
0
0
3
3
1
4
R
VREG_MSMP_2.6V
VREG_MSME_1.8V
C415
0.1u
VREG_LCD_1.8V
VREG_HS_MIC_1.8V
4.7u
L403
VREG_CAM_AVDD_2.7V
C416
0.1u
C417 2.2u
C418
10u
0.1u
C419
C420
1n
+VPWR
CM315_12_5PF
32.768KHz
X400
2
1
VREG_MSME_1.8V
4.7u
C456
C422
2.2u
VREG_RFRX1_2.7V
U403
9
J
8
J
7
J
6
J
5
J
9
H
8
H
7
H
6
H
5
H
9
G
8
G
7
G
6
G
5
G
9
F
8
F
7
F
6
F
5
F
9
E
8
E
7
E
6
E
5
E
H1
E10
F1
F10
E1
C12
N2
B1
M12
B2
K7
A5
N13
A4
M13
B5
B4
G10
A7
D9
A6
H12
B7
B6
C13
A13
D10
A12
K10
H10
G12
J10
G1
M1
K4
D13
J4
E12
H4
N11
M2
A3
L2
A10
H2
A8
H13
K2
G13
J2
A11
G4
K13
F4
E13
D5
B13
B3
A9
M5
N12
N3
J13
N1
A2
M3
K6
M4
K5
N4
K9
M9
K8
N10
M11
M6
L12
N6
A1
M8
D4
N8
B12
J1
D8
K1
N5
M7
2
G
2
1
D
7
D
8
B
0
1
M
6
D
9
B
2
1
J
3
1
F
2
1
F
2
1
K
7
N
9
N
0
1
B
3
1
L
1
1
B
2
F
4
E
2
C
1
C
1
D
1
L
2
D
2
E
G
H
C
V
N_
LT
C_
G
H
C
S
U
B
V_
B
S
U
N_
LT
C_
B
S
U
P_
S
N
SI
M_
S
N
SI
N_
T
EF
_T
A
B
T
A
B
V
NI
O
C
V
P
U
K
C
A
B_
V
A
N
A_
D
D
V
E_
1
C_
D
D
V
A
P_
2
C_
D
D
V
2
P
G_
D
D
V
6
P
G_
D
D
V
2
E
M
S
M_
D
D
V
P
M
S
M_
D
D
V
1F
R_
D
D
V
2F
R_
D
D
V
MI
U
R_
D
D
V
R
K
P
S_
L_
D
D
V
R
K
P
S_
R_
D
D
V
O
X
CT
_
D
D
V
N
AL
W_
D
D
V
MPP_1
MPP_2
VSW_5V
MPP_3
VREG_5V
MPP_4
VSW_MSMC1
MPP_5
VREG_MSMC1
MPP_6
VSW_MSMC2
MPP_7
VREG_MSMC2
MPP_8
VSW_MSME
MPP_9
VREG_MSME
MPP_10
VSW_PA
MPP_11
VREG_PA
MPP_12
MPP_13
VREG_GP1
MPP_14
VREG_GP2
MPP_15
VREG_GP3
MPP_16
VREG_GP4
MPP_17
VREF_GP5
MPP_18
VREG_GP6
MPP_19
VREG_MMC
MPP_20
VREG_MSMA
MPP_21
VREG_MSME2
MPP_22
VREG_MSMP
VREG_RFRX1
USB_ID
VREG_RFRX2
USB_D_P
VREG_RFTX
USB_D_M
VREG_RUIM1
USB_OE_N
VREG_SYNT
USB_DAT
VREG_TCXO
USB_SE0
VREG_USB
VREG_WLAN
SBST
MIC_BIAS
SBCK
SBDT_SSBI
REF_ISET
MSM_INT_N
REG_GND
REF_BYP
SPKR_IN_L_M
SPKR_IN_L_P
TCXO_IN
SPKR_OUT_L_M
TCXO_EN
SPKR_OUT_L_P
TCXO_OUT
SPKR_IN_R_P
SPKR_IN_R_M
XTAL_IN
SPKR_OUT_R_P
XTAL_OUT
SPKR_OUT_R_M
SLEEP_CLK
VIDEO_IN
AMUX_OUT
VIDEO_OUT
VIB_DRV_N
KPD_PWR_N
KPD_DRV_N
PON_RESET_N
LCD_DRV_N
PS_HOLD
FLSH_DRV_N
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
5
D
N
G
6
D
N
G
7
D
N
G
8
D
N
G
9
D
N
G
01
D
N
G
11
D
N
G
21
D
N
G
31
D
N
G
41
D
N
G
51
D
N
G
61
D
N
G
71
D
N
G
81
D
N
G
91
D
N
G
02
D
N
G
12
D
N
G
22
D
N
G
32
D
N
G
42
D
N
G
52
D
N
G
R414
121K
C423
33p
C424
0.1u
C425
2.2u
VREG_TCXO_2.85V
R415
51
1n
C426
2.2u
C427
2.2u
C428
1n
C429
K
0
1
6
1
4
R
C430
2.2u
VBAT
VREG_MSMC1_1.25V
VREG_MMC_3.0V
VCHG_VBUS
C431
33p
1n
C432
C433
1n
C434
0.1u
VREG_RUIM_3.0V
C435
2.2u
4.7u
C436
VREG_CAM_IOVDD_2.6V
2.2u
C437
1K
R417
C438
0.1u
VREG_MSMA_2.6V
10u
C439
C440
2.2u
VREG_MSMC2_1.25V
VRF_SMPS_2.1V
0.1u
C441
0.1u
C442
C443
1n
C444
1u
1u
C445
VREG_MSMP_2.6V
4.7u
C446
0.1u
C447
C448
4.7u
C449
2.2u 2.2u
C450
VREG_COMPASS_2.6V
C452
4.7u
C453
0.1u
C454
0.1u
C455 0.1u
C457
0.1u
VREG_AUX2_2.9V
VREG_HPVDD_1.8V
VREG_CAM_DVDD_1.2V
VREG_LCD_2.8V
2.2u
C458
2.2u
C460
PS_HOLD
nPON_RST
VBAT_SENSE
PMIC_SSBI
AMUX_OUT
GSM_PA_DAC_REF
MSM_USIM_RST
MSM_USIM_DATA
MSM_USIM_CLK
PM_INT_N
SLEEP_CLK
TCXO_EN
PMIC_TCXO
REMOTE_PWR_ON
TCXO_PM_19.2MHZ
JTAG_PS_HOLD
VSNS_MSMC2_1.25V
VSNS_MSMC1_1.25V
VSNS_MSME_1.8V
KPD_DRV_N
USB_3.3V_EN
SIM_RST
P
_
S
N
S
I
VBAT_TEMP
N
_
T
E
F
_
T
T
A
B
N
I
O
C
V
SIM_CLK
N
_
L
T
C
_
G
H
C
PCB_REVISION
PCB_REVISION
SIM_IO
KPD_PWR_N
R
W
P
V
+
1.04V
1.30V
M
_
S
N
S
I
430K
R411
300K
0.62V
1.73V
100K
0.81V
680K
Rev.1.2
E&J
Rev.1.0
0.16V
HKAIN0 : PCB Revision Check ADC
150K
150K
Rev.1.1
B&G
C&H
D&I
1.93V
REV
150K
150K
47K
68K
10K
2.13V
R413
150K
A&F
150K
ADC
150K
150K
150K
Place close to PM7540 pins
Route together
0.5mm
Rev 1.0
These CAPs close to inductors
0.5mm
0.5mm
Place in PM7540 room at shield edge
Local Ground Plan
0.3mm
re
ht
eg
ot
et
uo
R
1%
Place crystal and load caps close to PM7540
TP2
TP3
TP4
TP6
TP5
TP7
TP9
Содержание GT540
Страница 1: ...Service Manual Model GT540 Internal Use Only Service Manual GT540 Date April 2010 Issue 1 0 ...
Страница 163: ... 164 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 175: ... 176 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 205: ... 206 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 207: ... 208 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...