Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GPS Receiver
3.8V
IOUT:3A
50 Ohm RF trace
SIM_VDD
SIM_CLK
USB_DM
USB_DP
STATUS
NETLIGHT
AUD4_TXFS
AUD4_TXC
AUD4_TXD
AUD4_RXD
VDD_EXT
STATUS
NETLIGHT
SIM_DATA
SIM_RESET
3G_POWERON
3G_RESET
SIM_VDD
SIM_RESET
SIM_CLK
SIM_DATA
SIM_DATA
SIM_RESET
SIM_VDD
SIM_CLK
GPS_33ENGPS_PWR_EN
GPS_33EN
3G_PWR
AUD4_RXD
AUD4_TXFS
AUD4_TXD
AUD4_TXC
3G_RESET
3G_POWERON
3G_PWR
USB_DP
USB_DM
GND
GND
GND
GND
GPS_3.3V
GND
GND
GND
GND
VDD_EXT
GND
GND
GND
GND
VBAT_RF
VBAT_RF
VBAT_BB
VBAT-3G
VBAT-3G
GND GND
GND
VCC5V0
GND
GND
GND
GND
GND
GND
GND
VCC_5V0 GPS_3.3V
VCC3V3
VBAT-3G
VCC5V0
GND
VBAT-3G
VBAT-3G
VBAT_BB
VCC3V3
AUD_GND
AUD_GND
DISP0_DAT234
DISP0_DAT224
DISP0_DAT214
DISP0_DAT204
UART5_RXD4
UART5_TXD4
DISP0_DAT14
DISP0_DAT24
DISP0_DAT34
DISP0_DAT44
3G_DM 12
3G_DP 12
SPK2P 13
SPK2N 13
I2S_OUTL 13
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
15 17Friday, July 24, 2015
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
15 17Friday, July 24, 2015
Title
Size Document Number Rev
Date: Sheet of
<Doc> <RevCode>
<Title>
C
15 17Friday, July 24, 2015
R256
0R/NC
R253 1K
R285 20K
C393
10uF/16V
Q12
MMBT3904
S1
SIM
VCC
1
REST
2
CLOCK
3
GND
4
VPP
5
DATE
6
C389
10uF/16V
C387
0.1uF
+
C372
10uF/16V
C396
10pF
Q11
MMBT3904
R250 10R_1/4W
R251 0R
C394
0.1uF
C386
10uF/16V
R254
10K
C444
10uF/16V
Q10
MMBT3904
R286 20K
C385
0.1uF
R252 0R
C380 0.1uF
R259
0R
C419 22uF/10V
U37A
UC15
RESERVED1
1
AP_READY
2
RESERVED3
3
RESERVED4
4
RESERVED5
5
NETLIGHT
6
VDD_EXT
7
USIM_GND
8
RESERVED9
9
RESERVED10
10
USIM_PRE
11
USIM_VDD
12
USIM_DATA
13
USIM_CLK
14
USIM_RST
15
RESERVED16
16
RESET_N
17
POWER_KEY
18
AGND
19
SPK2P
20
SPK1N
21
SPK1P
22
MIC1P
23
MIC1N
24
MIC2P
25
MIC2N
26
RESERVED33
33
PCM_DOUT
34
PCM_DIN
35
PCM_CLK
36
PCM_SYNC
37
I2C_SDA
38
I2C_SCL
39
ADC1
40
ADC0
41
GND42
42
RF_ANT
43
GND44
44
GND45
45
GND46
46
GND47
47
GND48
48
GND49
49
VBAT_RF50
50
VBAT_RF51
51
VBAT_BB52
52
VBAT_BB53
53
STATUS
54
RI
55
DCD
56
CTS
57
RTS
58
DTR
59
TXD
60
RXD
61
USB_DP
62
USB_DM
63
USB_VBUS
64
GND67
67
GND68
68
RESERVED65
65
GND66
66
RESERVED27
27
RESERVED28
28
RESERVED29
29
RESERVED30
30
RESERVED31
31
RESERVED32
32
+
C374
220uF/16V
R262 1k
C384
10uF/16V
C369
0.1uF
C381 33pF
R261 1k
C376
0.1uF/NC
C379
0.01uF
+
C377
22uF/16V
C371
0.1uF
R287
0R/NC
C382 33pF
C445
33pF
+
C397
220uF/16V
R267
1K/NC
C378
0.01uF
C373
0.1uF
J11
IPEX
2
1
R266 1k
C375
0.1uF/NC
D8 1N5819
R258
1K/NC
C390
0.1uF
R268
100K/1% C395
33pF
+
C388
220uF/16V
D10
GREEN LED
12
R270
47K/1%
U35
MIC5319-3.3V
IN
1
GND
2
SHDN
3
BP
4
FB/OUT
5
C391
33pF
U37B
UC15
GND81
81
GND82
82
GND83
83
GND84
84
GND85
85
GND86
86
GND87
87
GND88
88
GND89
89
GND90
90
GND91
91
GND92
92
GND93
93
GND94
94
GND95
95
GND96
96
GND97
97
GND98
98
GND99
99
GND100
100
GND101
101
GND102
102
GND103
103
GND104
104
GND105
105
GND106
106
GND107
107
GND108
108
C383 33pF
C442 22uF/10V
R257
1K/NC
R264
470R
R265 1k
L12 LQG18HN27NJ00D
R269
10K
R255 0R
Q13
MMBT3904
D9
GREEN LED
12
R260
10k
C392
10pF
U38
MIC29302BU
VCCIN
2
VCCOUT
4
GND
3
EN
1
ADJ
5
GND
6
+
C370
10uF/16V
R263
470R
J12
IPEX
2
1
R413
10K
U36
MAX-7C
GND
1
TX1
2
RX1
3
TIMEPULSE
4
EXTINT0
5
VBCKP
6
VCC_IO
7
VCC
8
VRESET
9
GND
10
RF_IN
11
GND
12
ANTON
13
VCC_RF
14
NC
15
SDA2
16
SCL2
17
NC1
18