Lenovo S520 schematic
U1500_LCDCAMERAU1400_CARDIOU1300_MEMORYU1200_AUDIOU1100_MT6253
U2100_RF
U2200_BT
VCC28OUT
pin35 digital power,pin14,15,19,23 RF power
ANT2201
1
2
GND
GND
L2201 NM
21
GND
C2212 0R
1 2
C2214 56PF
21
1 2
NML3301
GND
VCC28OUT
GPIO72_BT_PWR_EN
GND
BPB2012090AM1T61
4
NC
3
DC_GND
2
ANT_IN
1
GND_4
GND_8
8
U2204
GND
BAL_7
GND_6
BAL_5
VBAT
1 2
R2209 0R
GND
1 2
C2215 NM
U2201
11
10
VBAT
VCC28OUT
23
VCC28_PA
12
LDO28EN
17
47KR2217
21
GND
7
6
GND
5
GND
1 2
R2208 15K_1%
TRX_IQN
18
TRX_IQP
16
VCO_MONITOR
21
RF2G_P
22
RF2G_N
20
RBIAS
13
OSC_IN
41
GND_PAD
PCMCLK
4
MT6612
PCMSYNC
PCMOUT
3
7
6
C2218 100NF
15
14
VCC28_OSC
VCC28_SX_VCO
JTCK
PCMIN
29
1 2
2.2UFC2216
1
1 2
2
100NFC2217
VCC28OUT
1 2
C2219 100NF
8
19
VCC28_BBLDO
VCC28_BG_TRXRF
JTRST_B
JTDI
30
25
GND
GND
VDD28
VDD12
VDD12_34
VDD12_LDOOUT
TESTMODE
SRCLKENA
SYSRST_B
EXT32K
GPIO_EINT0
GPIO1_EINT1
GPIO4
GPIO5
ECLKSEL
UTXD1_USB_DP
URXD1_USB_DM
JTMS
JTDO
33
JRTCK
31
32
35
5
34
9
38
37
2
39
36
28
27
24
26
40
1
VCC28OUT
BT_1V2
1 2
C2221 1UF
1 2
R2212 0R
1 2
R2206 0R
1 2
R2207 NM
1 2
R2216 0R
GND
21
100NFC2220
GND
SRCLKENAI
21
0RR2204
GPIO18_BT_RESET
GPIO74_BT_32K
21
0RR2205
21
0RR2215
EINT3_BT
VCC28OUT
GND
GPIO20_BT_URXD3
outer Xtal,R2206 NM,R2207 0R
6253 26MHz,R2206 0R,R2207 NM
GPIO21_BT_UTXD3
GND
AVDD
1 2
VCC_FM
L2205 BLM18BD252SN1
GND
1
GND
RF_SHIELD_PHOENIX50_BT
SH2201
BT_SCLK
1 2
C2213 1NF
GPIO17_BT_PCMIN
GPIO15_BT_PCMCLK
GPIO16_BT_PCMOUT
GPIO19_BT_PCMSYNC
1 2
XGND
C2208 2.2UF
R2203 NM
1 2
GND
VCC_FM
21
18NHL2202
100NF C2211
2 1
GND
U2202
1
GNDRF
21
1NFC2202
2
RFIN
3
GNDMIX
4
NC
5
BUSMODE
6
GPIO2
25
GND
GPIO3
7
24
VCOP
AR1010
XTAL1
8
23
VCON
XTAL2
9
22
VANA2
BUSEN
10
21
VANA1
CLOCK
11
20
GNDA2
DATAIO
12
19
GNDA1
ROUT
LOUT
GNDD
GPIO1
VCCIO
VDDD
18
17
16
15
14
13
1UF C2203
2 1
1UF C2210
2 1
C2206 100NF
21
VCC_FM
FM_INR
FM_INL
Page - 7 : BT&FM Circuit
Project Name : phoenix50
Revision : H001
Designer : Chen Liuhui
Date : 2009-04
GPIO1_FM_SDA
GPIO2_FM_SCL
GPIO75_FM_32K
GND
C2207 NM
1 2
21
1NFC2222
10KR2202
1 2
1 2
10KR2201
VCC_FM
ANT2101
132
21
C2122 0R
21
C2114 0R
C2138 NM
U2102
5
6
ANT
4GND
ASM
4
3
1
MM8430-2610
2
C2123 0R
C2139 NM
1 2
1 2
1 2
21
21
NMC2137
56NHRV2101
NMC2140
21
GND
NMC2142
21
GND
1 2
0RC2112
GND
C2143 22PF
1 2
C2133 NM
TX ENABLE_PAEN
1 2
VBAT
GND
C2132
100NF C2130
10NF
C2125
12
13
NC2
21
14
ANTENNA
15
GND8
16
GND9
17
NC3
12
100UF
22PF C2131
12
2 1
21
C2101 22UF
18
19
20
21
22
VBATT
GPCTRL1
GPCTRL0
TX_EN
VRAMP
23
GND10
RF7166
GND5
GND6
GND7
NC1
RX0
RX1
7
8
9
10
11
12
R2102 0R
1 2
12
0R
C2128 22PF
1K R2104
R2110
21
GND
2 1
1 2
R2105 10K
1 2
C2124 220PF
U2101
1
GND1
2
GND2
3
RFIN_LB
4
GND3
5
RFIN_HB
6
GND4
22PFC2108
22PFC2129
21
21
24KR2108
GND
BANDSW2
BANDSW1
PAEN
APC
21
56PFC2126
1 2
C2102 22PF
1 2
R2103 0R
0
0 1 0
0 1 1
1 1 0
1 1 1
GND
1 2
C2135 NM
21
0RR2106
GND
1 2
R2101 0R
21
ORC2103
1 2
C2106 NM
GpCtrl1_BANDSW2 GpCtrl0_BANDSW1
0
GND
21
NMC2136
PAIN_LB
PAIN_HB
21
NMC2107
GND
0
MODE
LOW POWER
DCS1800RX
GSM900RX
GSM900TX
DCS1800TX
GSM900_IN
DCS1800_IN
C2104 33PF
1 2
1 2
C2109
L2108
33PFC2113
21
4.7NH
1 2
L2109
2.2NH
21
C2141 NM
1 2
GND
GND
GND
NMC2134
21
Z2101
1
GSM900_IN
2
GND_2
3
GND_3
4
DCS1800_IN
GND
GSM900_OUT2
GSM900_OUT1
DCS1800_OUT2
DCS1800_OUT1
GND_5 GND
5 10
SAWEN942MCM
GND
9
8
7
6
L2102
L2103
1 2
1 2
5.1NH
15NH
C2110 18PF
C2105 4.7PF
C2111
1 2
1 2
1 2
18PF
4.7PF
21
1 2
L2110 NM
NML2111
GSM900P
GSM900N
DCS1800N
DCS1800P
Page - 6 : RF Circuit
Project Name : phoenix50
Revision : H001
Designer : chenlhc
Date : 2009-10
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