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5-8.
SCHEMATIC DIAGRAM - MAIN Section (5/5) -
1
2
3
MAIN BOARD
(5/5)
A
30
7
31
32
MAIN
BOARD
(4/5)
33
B
(Page 34)
34
C
9
ILL_IN
MAIN
BOARD
(1/5)
(Page 31)
D
R639
100k
R638
100k
CD_BUS0
CD_BUS1
E
CD_BUS2
CD_BUS3
CD_BUCK
CD_XCCE
R656
F
100k
BT_RX
BT_TX
BT_RTS
BT_CTS
BT_POWER
G
BT_RST
BT_MIC_DET
MC_RX
MC_TX
R647
2.2k
H
R646
2.2k
R641
100k
I
J
8
BUS1
DP
MAIN
BOARD
DM
(2/5)
(Page 32)
K
C607
L
MEX-BT4100E/BT4100P/BT4100U/BT4150U
• See page 40 for Waveforms. • See page 40 for IC Block Diagrams. • See page 42 for IC Pin Function Description.
4
5
6
R644
R679
100k
10k
36
35
34
33
32
<0>
37 CD_BUS0
<0>
38 CD_BUS1
<0>
39 CD_BUS2
<0>
40 CD_BUS3
<3.3>
41 CD_BUCK
3.3
42 DVCC3.3IO
3.3
43 DVCC3.3DRM
44 DVSSCOM
<3.3>
45 CD_XCCE
46 USB_EN
JL751
3.3
47 CP_SEL
1.2
48 DVCC1.2
R631 100
3.3
49 BT_TX
R632 100
3.3
50 BT_RX
R633 100
0
51 BT_CTS
R634 100
0
52 BT_RTS
JL799
53 DVSS_COM
R635 100
3.3
54 BT_POWER
R636 100
3.3
55 BT_RESET
R637 100
3.3
56 BT_MIC_DET
R645 100k
57 CP_RESET
JL795
3.3
58 MC_TX
JL796
3.3
59 MC_RX
JL756
R680
3.3
4.7k
60 I2C_SCL
JL757
3.3
61 I2C_SDA
1.2
62 DVCC1.2
JL758
63 D0
JL759
64 D1
JL760
65 D2
JL761
66 D3
JL762
67 D4
JL763
68 D5
69 DVSSCOM
JL765
70 D6
3.3
71 DVCC3.3IO
JL764
72 D7
IC704
EEPROM
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
IC704
MFI337S3959
5
NC
NC
4
3.3
6
SCL
NC
3
0
3.3
7
2
RST
SDA
3.3
8
VCC
GND
1
R604
C606
100
0.1
C794
C615
C618
C603
C664
C620
C621
0.1
0.1
1
0.1
0.1
0.47
0.1
0.1
7
8
9
10
R616
R672
100k
100k
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
IC601
SUB SYSTEM CONTROLLER
IC601
TMPM320C1DFG-9999
IC703
+1.2V REGULATOR
IC703
S-1206B12-U3T1G
JL624
1.2
5
O
I
3
1
VSS
C666
C662
2
1
0.47
C629
C625
C623
C608
C616
C617
C619
C668
C628
C627
0.1
1
0.1
1
0.1
0.1
0.1
1
0.1
35
35
MEX-BT4100E/BT4100P/BT4100U/BT4150U
11
12
13
JL611
JL612
JL609
JL608
JL613
IC602
JL623
SERIAL FLASH
IC602
R770
W25Q16CVSSIG-A02
100
0
5
4
DI
GND
3.3
3.3
6
3
CLK
WP
R698
C605
100k
0.1
3.3
0
7
2
HOLD
DO
3.3
3.3
8
1
VCC
CS
R674
R673
100k
0
JL614
JL739
R682
R607
0
10k
D602
RB751V40,115
4
3
2
1
0
MODE0
144
3.3
AVDD3.3DC
143
AVSSADC
142
(N.C.)
141
(N.C.)
140
(N.C.)
139
(N.C.)
138
1.2
DVCC1.2
137
DVSSCOM
136
ANALOGTEST
135
1.2
DVDD1.2USB
134
DVSSUSB
133
0.9
XI
132
AVSS3.3USBC
131
0.7
XO
130
3.3
AVDD3.3USB
129
AVSS3.3USB
128
0
R677
0
DM
127
R768
44.2
0
TXRTUNE
126
R678
0
0
DP
125
AVSS3.3USB
124
3.3
AVDD3.3USB
123
DVSSCOM
122
1.2
DVCC1.2
121
1.2
DVCC1.2PULL
120
DVSSPULL
119
DVSSCOM
118
1.2
DVCC1.2
117
3.3
R570
100
USB1_ON
116
3.3
USB1_OVR
115
R572
NCO
114
100
0
DOWNLD_DET
113
DT10_CE
112
JL600
R568
JL601
DT10_CLK
111
100k
JL793
WE
110
JL794
OE
109
IC B/D
5
4
IC603
+3.3V REGULATOR
IC603
BU33TD3WG-TR
1
2
3
DOWNLD_DET
R664
0
GHOST_ON
C624
C622
0.1
0.1
0.1
14
15
C602
C601
12p
12p
2
X601
12MHz
1
R601
3.3k
R602
R643
1M
100k
5
USB_OVER
USB1_ON
6
BUS2
DC_DC
R569
MAIN
100k
BOARD
(3/5)
G_HOST_GND
(Page
BUS3
33)
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