
3. TECHNICAL BRIEF
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Figure 35 MMI 18pin connector circuit
1608
1608
100nH
27p
L108
C163
C165
27p
27p
C162
2V85_IO2
10u
C112
R117
NA
1.5K
R109
27p
C132
47K
R108
C129
2.2u
100p
C130
27p
C164
R111
2.2K
R102
1M
U100
LMV7291MGX-NOPB
2
GND
OUT
1
VCC
5
3
VIN+
VIN-
4
R105
10K
C104
0.1u
R106
10K
22K
R107
2V65_ANA
C105
0.1u
100nH
L109
100nH
L107
2.2u
C160
27p
C111
L100
100nH
FB100
2V85_IO2
100nH
L113
47
R118
100p
C102
C131
0.1u
C167
2
7p
ZD4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2
20
21
22
3
4
VBUS_USB
CN100
1
C110
27p
220K
R110
R103
47
2V72_IO
ZD6
FB101
ZD5
C166
27p
C151
27p
FB102
ZD3
100nH
L110
L111
100nH
100nH
L112
VBAT
ZD7
R116
1K
VCHG
R119
47
JACK_DETECT
FM_ANT
MULTI_PORT_2
MULTI_PORT_1
MULTI_PORT_0
JACK_TYPE
RX_DEBUG
MULTI_PORT_3
TX_DEBUG
RPWRON
DSR
MIC2_N
MIC2_P
HOOK_DETECT
Summary of Contents for KE820
Page 1: ...Service Manual Model KE820 Service Manual KE820 Date August 2006 Issue 1 0 ...
Page 3: ... 4 ...
Page 5: ... 6 ...
Page 46: ...3 TECHNICAL BRIEF 47 Figure 18 EN SET port control method ...
Page 69: ...4 PCB layout 70 Figure 45 Main PCB bottom Figure 46 Main PCB bottom placement ...
Page 70: ...4 PCB layout 71 Figure 47 Sub PCB top Figure 48 Sub PCB top placement ...
Page 71: ...4 PCB layout 72 Figure 49 Sub PCB bottom Figure 50 Sub PCB bottom placement ...
Page 114: ...6 Download S W upgrade 115 6 2 Download program user guide ...
Page 115: ... 116 6 Download S W upgrade ...
Page 116: ... 117 6 Download S W upgrade ...
Page 117: ... 118 6 Download S W upgrade ...
Page 124: ... 125 8 PCB LAYOUT ...
Page 125: ... 126 8 PCB LAYOUT ...
Page 126: ... 127 8 PCB LAYOUT ...
Page 127: ... 128 8 PCB LAYOUT ...
Page 141: ... 142 ...
Page 161: ...Note ...
Page 162: ...Note ...