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Lenovo K920 Schematic Diagrams page 42

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5
[23,25^,31,32,33,37,43,44,49]
D
[10,11,12,13,14,15,18,20,21,22,23,25^,26,27,28,29,32,35]
VPH_PWR2
[2,25^,48]
C
[2,25^,48]
B
A
5
4
VDD_1P8
star routing
L6101
22OHM@100MHZ
C6103
Note: Place C6103 close
to pins 27 and 28
10uF
[4,25^]
ET_DAC1_P
[4,25^]
ET_DAC1_M
RFFE1_DATA
RFFE1_CLK
L6104
2.2uH
N.M.
R6105
0R
yageo
4
3
QFE1100/QFE1101
U6101
R6108
0R
14
15
yageo
BYP_BATT
VDD_BATT1
10
16
BYP_LOAD
VDD_BATT2
28
5
VDD_BUCK
VDD_AMP
27
17
GND_BUCK
VDD_1P8
23
VSW_BUCK
7
AMP_INP
2
4
AMP_INM
AMP_OUT
26
11
SDATA
C_BUCK1
12
C_BUCK2
21
SCLK
8
C_SW_BUCK1
13
9
PA_CTL
C_SW_BUCK2
6
C_GSM
20
18
VSW_BOOST
PA_VBAT
19
25
USID_LSB
VOUT_BOOST
22
1
C6106
GND1
GND2
24
3
10uF
N.M.
GND_BOOST
GND_AMP
QFE1101
Note:Place C6106 close to Pin24 and Pin25
3
2
C6101
10uF
C6102
22uF
L6102
N.M.
22OHM@100MHZ
C6104
R6101
2.2R
470pf
L6103
1.5uH
yageo
N.M.
N.M.
R6109
0R
C6105
yageo
4.7uF
R6103
0R
VPA_BATT
yageo
N.M.
R6104
0R
C6107
22uF
yageo
<Variant Name>
<Variant Name>
<Variant Name>
Title
Title
Title
K920
K920
K920
Size
Size
Size
Document Number
Document Number
Document Number
B
B
B
P61. QFE1100
P61. QFE1100
P61. QFE1100
Date:
Date:
Date:
2
1
VPA
[44,49]
VPA_APT
[44]
[44,49]
Rev
Rev
Rev
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Sheet
Sheet
Sheet
42
42
42
of
of
of
58
58
58
1
D
C
B
A
0.11
0.11
0.11

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