Table of Contents
Advertisement
Flow Chart of Troubleshooting
Power On
R820
POS
1
C606
C607
BAT601
OSC600
NEG
2
C630
C631
REF_OUT
< USIM Socket >
PS_HOLD
SIM600
R609
BOOT_SW
R611
VREG_USIM_3.0V
R612
C632
C633
C634
C644
C645
VREG_RFRX_2.85V
U2100_RXP
U2100_RXM
R212
VREG_SYNT_2.8V
TR201
3
1
UHF_VCO_EN
2
CP2
C245
C246
R219
FAQ2
R220
V_IN
R600
C601
C655
VEXT_5V_PM
R623
USB_VBUS_5V
R622
2
VCHG
16
USB_VBUS
3
R603
ISNS_P
C604
5
ISNS_M
4
CHG_CTL_N
15
USB_CTL_N
6
VBAT
60
VCOIN
7
BAT_FET_N
C605
48
VBACKUP
1
ADC_BYP
44
XTAL_IN
C608
46
XTAL_OUT
45
SLEEP_CLK
SLEEP_CLK
58
TCXO
TCXO_IN
55
TCXO_EN
TCXO_EN
R605
53
BUFF_TCXO
TCXO_OUT
R606
70
VF
AMUX_IN1
72
AMUX_IN2
AMUX_OUT
82
AMUX_OUT
AMUX_OUT
R608
80
REF_OUT
13
USB_OE_MSM
USB_OE_N
17
USB_DAT_MSM
USB_DAT
19
USB_SEO_MSM
USB_SE0
11
TP600
USB_ID
18
USB_D_P
USB_D_P
20
USB_D_M
USB_D_M
2
24
PHONE_ON
KPDPWR_N
3
57
PS_HOLD
1
66
JIG_ON_SW
CBL1PWR_N
68
R610
0
CBL0PWR_N
D601
9
PON_RESET_N
PON_RESET_N
30
MSM_SIM_IO
RUIM_M_IO
26
RUIM_IO
34
MSM_SIM_CLK
RUIM_M_CLK
38
RUIM_CLK
40
MSM_SIM_RST
RUIM_M_RST
43
RUIM_RST
47
PMIC_SBDT
SBDT
49
PMIC_SBCK
SBCK
51
PMIC_SBST
SBST
59
PM_INT_N
MSM_INT_N
R613
R213
TRK_LO_ADJ
VREG_TCXO_2.8V
C241
C242
L206
C215
C216
46
45
44
43
1
GND1
2
UMTS_L_INP
3
GND2
C222
4
VDDA1
5
GND3
L207
6
C226
UMTS_H_INP
7
GND4
8
UMTS_H_INM
C227
L208
9
GND5
10
DNC2
11
GND6
12
L210
VREG_RFRX_2.85V
C233
C234
R214
Q202
2
S
R215
1
G
C239
3
D
L211
OSC201
5 VC
SW 3
1
7
OUT
VCC
R216
R217
C247
C249
C248
86
42
R218
C602
U600
R601
C603
R602
14
VSW_5V
12
VREG_5V
27
VSW_PA
28
VREG_PA
31
L600
VSW_MSMC
32
VREG_MSMC
37
L601
VSW_MSME
36
VREG_MSME
10
VREG_USB
39
VREG_MMC
42
VREG_RUIM
50
VREG_MSMP
56
VREG_MSMA
64
VREG_WLAN
67
VREG_RFRX2
69
VREG_RFRX1
73
VREG_RFTX
81
VREG_SYNT
84
VREG_TCXO
61
R607
REF_ISET
63
C610
REF_BYP
C609
C611
C612
C613
62
REF_GND
8
FLSH_DRV_N
21
GP1_DRV_N
22
LCD_DRV_N
23
KPD_DRV_N
25
VIB_DRV_N
76
SPKR_IN_P
78
KEY_LED_DRV
SPKR_IN_M
75
SPKR_OUT_P
79
SPKR_OUT_M
74
SPKR_BYP
77
VDD_SPKR
29
VDD_PA
33
VDD_MSMC
35
VDD_MSME
41
VDD_RUIM
52
VDD_MSM
54
VDD_ANA
65
VDD_WLAN
71
VDD_RF
83
VDD_MAIN
C635
C636
C637
C638
C238
2
1
VCON
GND
TCXO200
VCC
OUT
4
3
TCXO
C243
C244
R206
R207
R208
37
36
34
33
32
42
41
40
39
38
35
31
RX_IP
30
RX_IM
29
VDDA7
C223
1NF
28
TCXO
TCXO
27
VDDA6
U203
26
SBDT
SBDT
25
SBCK
SBCK
24
SBST
SBST
23
VDDM
22
C228
GND8
21
DNC4
13
14
15
16
17
18
19
20
C231
R211
C235
UHF_BAND_SEL
C240
RX_UHF_LO_CAL
9-2
VREG_RFRX2_3.0V
VREG_MSMP_2.6V
VREG_MSME_1.8V
VREG_RFTX_2.85V
VREG_MMC_2.85V
VREG_RFRX_2.85V
VREG_MSMA_2.6V
VREG_USIM_3.0V
VREG_USB_3.3V
VREG_BT_2.6V
C614
C615
C616
C617
C618
C619
C620
C621
C622
C623
C624
C625
V_IN
Q600
6
D 1
D
5 D
2
D
4 S
3
G
C643
C639
C640
C641
C642
C646
RX_QP
RX_QM
RX_IP
RX_IM
R210
VREG_MSMP_2.6V
C229
L209
C232
RX_VCO
C236
C237
VREG_MSMC_1.37V
VREG_SYNT_2.8V
VREG_TCXO_2.8V
C626
C627
C628
C629
VBATT
U601
IN 1
6
NC
GND 2
5
NC
FLAG 3
4
GATE
VREG_RFRX_2.85V
Advertisement
Table of Contents
