SCH14 Bar Module MT7668
50 Ohm
50 Ohm
Pin 59
50 Ohm
0201
0201
0201
from pin22.23
from pin22.23
from pin22.23
from 6392
from pin25
from 8516
from pin18
from pin18
from pin18
from pin18
from pin27
from pin27
from pin27
from 6392
from 6392
50 Ohm
WIFI0
50 Ohm
50 Ohm
20171125
：修改
U10
封装
BT
Co-pad
20180404
：
L11 from 2.7nH to 1.0nH
C168 NC
WIFI 1
20171021
：
L857 from 0.8nH to 1nH
20180404
：
L12 from 1.5nH to 1.0nH
C172 from 0.5pF to 0.3pF
Co-pad
Co-pad
20171020 : co-pad design to configure as 2-antennaWIFI/BT
Vout
=
0.6*
(1
+
R16/R21)
=
3.4V
Co - Pad
MT7658_BGF_INT_B
MT7658_WIFI_INT_B
MT7658_GPIO0
MT7658_SDIO_DAT3
MT7658_SDIO_CMD
MT7658_SDIO_CLK
MT7658_SDIO_DAT1
MT7658_SDIO_DAT0
MT7658_SDIO_DAT2
SDIO_DAT0
AVDD25_V2P5NA
SDIO_CLK
26M_WIFI
SDIO_DAT2
XO
MT7658_DVDDIO
VDDIO18_WIFI
SDIO_DAT1
SDIO_CMD
SDIO_DAT3
MT7658_PMU_EN_R
VIO_SDIO
MT7658_AVDD22_XO
WF0_RFIO_A
VREF
RFIP_BT
RF
IP_
B
T
R
S
T_N
MT7658_GPIO0_R
BGF_INT_B
WIFI_INT_B
WF0_RFIO_G
WF0_LNA_EXT_G
WF0_RFIO_G
WF0_LNA_EXT_G
DP0_OUT
WF0_RFIO_A
WF2_ANT
WF0_RFIO_G
WF0_LNA_EXT_G
WF1_RFIO_G
WF1_RFIO_G
WF1_RFIO_A
WF1_RFIO_A
WF1_TDD
WF1_BT_TDD
ANTSEL2
B
T_LC
RFIP_BT
BT_TDD
WF1_ANT
WF
1_T
D
D
W
F1_B
T_T
D
D
WF1_RF_2G_TRX
WF1_RFIO_A
WF1_RFIO_G
WF1_RF_5G_TRX
DP1_OUT
ANTSEL2
BT_TDD
BT_TRX
BT_ANT
DVDDIO_
ANT
SEL
MT7658_AVDD18
VIO18_PMU
MT7658_AVDD22
MT7658_AVDD18
DVDD11
BUCK_1V3_OUT
BUCK_1V3_OUT
BUCK_1V3_OUT
WIFI_3.3V
DVDD11
MT7658_AVDD22
DVDD11
3.3V_A
DVDD11
WIFI_3.3V
3.3V_A
MT7658_AVDD22
3.3V_A
BUCK_1V3_OUT
BUCK_1V3_OUT
MT7658_AVDD22
VIO18_PMU1
DVDDIO_
ANT
SEL
3.3V_A
VIO18_PMU1
VIO18_PMU
DVDDIO_ANTSEL
3.3V_A
3.3V_A
VIO18_PMU
WIFI_3.3V
VBAT
3.3V_A
MT7658_WIFI_INT_B
2
MT7658_BGF_INT_B
2
MT7658_GPIO0
2
MT7658_SDIO_CMD
2
MT7658_SDIO_DAT3
2
MT7658_SDIO_DAT2
2
MT7658_SDIO_DAT1
2
MT7658_SDIO_CLK
2
MT7658_SDIO_DAT0
2
MT7658_PMU_EN
2
MT7658_WIFI_INT_B
2
MT7658_SDIO_DAT2
2
MT7658_BGF_INT_B
2
MT7658_GPIO0
2
MT7658_SDIO_CMD
2
MT7658_SDIO_CLK
2
MT7658_SDIO_DAT0
2
MT7658_SDIO_DAT1
2
WF0_RFIO_A
6
MT7658_SDIO_DAT3
2
RFIP_BT
6
WF0_LNA_EXT_G
6
WF0_RFIO_G
6
WF0_RFIO_G
12
WF0_RFIO_A
12
WF0_LNA_EXT_G
12
WF1_RFIO_G
13
WF1_RFIO_A
13
ANTSEL2
RFIP_BT
12
WF1_RFIO_G
12
WF1_RFIO_A
12
ANTSEL2
BT
2
L9
1.5nH
L11
1.0nH
C170
10pF
C165
NC/0.3pF/25V/C0G
U25
MT7668BSN
SDIO_DAT2
10
AVDD25_V2P5NA
16
A
V
D
D
13_WF
_T
R
X
38
NC
3
PCM
_CL
K
68
DVDDIO_
ANT
SEL
28
ANTSEL0
41
NC
4
WIFI_INT_B
1
EPAD
77
PDET0
66
PDET1
65
ANTSEL3
39
PC
M
_O
U
T
72
PCM
_IN
71
A
V
D
D
13_WF
_A
FE
64
AVDD33_WF_A_TX
42
AVDD33_WF_A_PA
43
GP
IO0
75
ANTSEL
4
36
WF_RFIO_A
44
SDIO_DAT3
12
NC
2
DVDDIO
70
UART
_R
XD
73
UART
_T
XD
74
DVDDIO_SDIO
13
A
V
D
D
22_WF
37
ANTSEL
5
35
DVDDIO_18I
14
DVDD
69
PCM
_SYNC
67
PMU_EN
15
BG
F_
IN
T_
B
76
ANTSEL2
40
WF_LNA_EXT_A
45
WF_LNA_EXT_G
46
WF_RFIO_G
47
AVDD33_WF_PA_G
48
AVDD33_WF_A_TX
49
AVDD33_WF_A_PA
50
NC
51
NC
52
NC
53
AVDD33_WF_PA_G
54
NC
55
GPIO1
57
A
V
D
D
13_WF
_T
R
X
58
A
V
D
D
22_WF
59
OSC_EN
56
SDIO_CMD
11
SYSRST_
B
60
A
V
D
D
33_B
T
61
RF
IP_
B
T
62
AVD
D
13
_R
XF
E_
BT
63
A
V
D
D
22_X
O
34
DVDD
5
SDIO_DS
6
SDIO_DAT0
7
SDIO_DAT1
8
SDIO_CLK
9
AVDD33_BUCK
17
LX
18
AVSS33_BUCK
19
A
V
D
D
13_C
LD
O
20
A
V
D
D
13_C
LD
O
21
CL
DO
22
CL
DO
23
VREF
24
PHYL
DO
25
AVD
D
33
_M
ISC
26
ALD
O
27
DVDD
29
ANTSEL
1
30
A
V
D
D
13_WF
_A
FE
31
XO
_O
U
T
32
XO
33
GND
85
GND
84
GND
83
GND
82
GND
81
GND
80
GND
79
GND
78
L17
1uH/3.18A
L4
2.2uH
C127
NC/10pF/50V/NPO
2
1
CON2
RFB00
1
2
3
C173
NC
C154
10pF/50V/NPO
2
1
C169
10pF
R132
NC/0
R128
NC/0
C183 0.1uF/16V/X5R
L14
NC
R119
0
C181
0.01uF/6.3V/X5R
2
1
R108
10K
L16
1.0nH
C96
10UF/6.3V/X5R
C182
0.1uF/6.3V/X5R
2
1
R131
NC/0
C202
NC/0.3pF
U9
DP1608-A2455DTA2
G
4
RFIN
5
G
6
TR_2
1
TR_5
3
G
2
C152
2.2uF/6.3V/X5R
2
1
C185
100pF/50V/NPO
2
1
C104
0.1uF/16V/X7R
C174
10pF
C172
0.3pF/50V/HQC
C153
0.01uF/6.3V/X5R
2
1
C128
1uF/6.3V/X5R
2
1
C126
1uF/6.3V/X5R
2
1
U11
ACX DP2015-A2455AA
TRXA
1
GND
2
RXG
3
TXG
4
GND
5
GND
6
ANT
7
GND
8
R16
56K/1%
R134
0
L10
NC
C102
1uF/6.3V/X5R
2
1
C195
10pF/50V/NPO
2
1
C177
NC
C103
1uF/6.3V/X5R
2
1
R367
10K
C106
10uF/16V/X5R
C100
0.01uF/6.3V/X5R
2
1
C155
2.2uF/6.3V/X5R
2
1
C168
N
C
/0.
5pF
/50V
/H
Q
C
4.7uF/6.3V/X5R
C194
C125
10pF/50V/NPO
2
1
C176
0.3pF/50V/HQC
C196
0.1uF/16V/X5R
2
1
L18
NC/1nH
R21
12K/1%
R123
0
C189
NC/0.5pF
2
1
R121
220
C171
10pF
L13
1nH
C161
1uF/6.3V/X5R
2
1
C108
0.1uF/16V/X7R
R
118
10K
C203
NC/0.3pF
C163
1uF/6.3V/X5R
2
1
L8
2.
7nH
/0.
5A
L12
1.0nH
C167
0.5pF/50V/HQC
C184
1uF/6.3V/X5R
2
1
C200
2.2uF/6.3V/X5R
2
1
C162
0.1uF/6.3V/X5R
2
1
U16
TLV62565
EN
1
GND
2
LX
3
IN
4
FB
5
R125
75
R141
0
U10
SKY13585
OUT1
1
GND
2
OUT2
3
V1
6
IN
5
V2
4
C192
100pF/50V/NPO
2
1
C193
10pF/50V/NPO
2
1
X3
E2SB26E000104E_26MHz_12PF_7PPM
HOT
1
GND
2
HOT
3
GND
4
C204
10uF/6.3V/X5R
2
1
C164
1pF/25V/NPO
L15
NC
L7
NC/1nH
C137
10pF/50V/NPO
2
1
C175
10pF
R114
10K
PBZ2
4.7uF/6.3V/X5R
C151
C180
0.1uF/6.3V/X5R
2
1
CON3
RFB00
1
2
3
CON1
NC/RFB00
1
2
3
L6
1.0nH
C186
1uF/6.3V/X5R
2
1
22
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
