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Flow Chart of Troubleshooting
10-2
VREG_LCD_2.6V
25V
VREG_TCXO_2.8V
R407
VREG_MSMA_2.6V
VREG_S3_2.95V
PM_INT
VREG_MMC_2.85V
VREG_RFRX2_2.7V
VREG_USIM_3.0V
VREG_RFTX_2.85V
VREG_MSMC_1.37V
R408
L402
C436
R405
VREG_S2_2.2V
C424
TP402
C433
C429
VREG_RFRX1_2.1V
L401
C414
C421
NEG
2
POS
1
C431
BAT400
L400
3
1
2
D400
C434
C440
VBATT
VREG_FEM_2.7V
VREG_BT_2.6V
TP400
C423
OSC400
2
1
EXT_5V
VREG_S2_2.2V
C435
C430
C416
C439
C413
VREG_MSMP_2.6V
C437
TP403
C418
C427
L9
C412
XTAL_IN
L11
KPD_PWR_N
L4
VREG_S3
L6
VREG_S2
L8
VREG_MMC
K4
K5
VSW_MSMC
VSW_S3
K6
VSW_S2
K7
VREG_MSME
K8
SLEEP_CLK
K9
VREG_RUIM
L10
J10
J11
VREG_MSMP
HSET_BIAS
K1
XTAL_OUT
K11
VREG_MSMC
VCOIN
G2
SBDT|SSBI
G8
SBCK
F8
V5
_
G
E
R
V
1
G
PON_RESET_N G10
VREG_MSMA G11
VREG_USB
E8
SBST
V5
_
W
S
V
1
F
PS_HOLD
F10
BAT_FET_N
E2
CHG_CTL_N
C2
ISNS_M
D1
11
D
C
N
D
ISNS_P
D2
B8
VREG_RFUBM
VCHG
C1
MSM_INT_N
C10
VREG_RFTX
A8
VREG_RFRX1
A9
VREG_GP3
B1
VREG_WLAN B11
VREG_TCXO
VREG_RFRX2
A10
N
A
L
W_
D
D
V
11
A
VREG_GP2
A2
VREG_GP1
A3
R
K
P
S_
D
D
V
C
N
1
C
N
2
A1
R409
VREG_MSMP_2.6V
C420
TP404
C426
C419
C425
C422
VLCD_2.9V
C432
C417
C428
VREG_MSME_1.8V
R411
C415
PM_INT_N
SLEEP_CLK
PMIC_SBDT
PON_RESET_N
PS_HOLD
BOOT_SW
PHONE_ON
R108
1 VC
6
VCC
TCX100
3 GND
NC 5
NC
2
4
OUT
C124
VREG_TCXO_2.8V
C131
C125
R106
C132
C127
TRK_LO_ADJ
RTR6280_TCXO
TCXO
U400
OSC400
Содержание SGH-L770V
Страница 74: ...8 Block Diagrams 8 1 8 1 RF Block Diagram ...
Страница 75: ...9 PCB Diagrams 9 1 1 Main top ...
Страница 76: ...PCB Diagrams 9 2 2 Main bottom ...
Страница 93: ...www s manuals com ...