motorola W375 Schematics
5
D D
4
R135
R135
10K040 4
MCSI2_DI
RX_IRDA
10K040 4
143
2
R136
R136
10K040 4
10K040 4
143
2
R137
R137
10K040 4
10K040 4
143
2
R117 10KR117 10K
R119 10KR119 10K
TSPDI
R103 10KR103 10K
V_IO
R106 100KR106 100K
SDI
CDI
SCL
SDA
R107 100KR107 100K
R108 100KR108 100K
R132
R132
10K040 4
10K040 4
143
2
R133
R133
10K040 4
10K040 4
143
2
R134
R134
100K04 04
100K04 04
143
2
V_IO
V_IO
V_IO
V_IO
CTS_MODEM1
DSR_MODEM1
RXIR_IRDA
SMART_CD
CTS_MODEM2
MCSI1_RXD
NAND_RnB
RX_MODEM1
RX_MODEM2
MCSI2_SYNCH
MCSI2_CLK
3
2
1
DAI
SDI
SCL
SDA
USB_P
USB_N
USB_E N
L CD_nCS
SCL K
SDO
C C
LCD
FMCLK_EN
JTAG
nBSCAN
ADD[1..24]
MEMORY
RE_SEND
B B
nCS4
nCS5
V_FLASH
FDP
nBHE
nBLE
nFOE
RnW
EU-BAND & US-BAND
VISIBLE MARK
R709 N.MR709 N.M
R711 0RR711 0R
R711 For EU_Band
R709 For US_Band
GPIO_13
L: EGSM/DCS
H: GSM850/PCS
RTC
TDI
TDO
TCK
TMS
ADD1
ADD2
ADD3
ADD4
ADD5
ADD6
ADD7
ADD8
ADD9
ADD10
ADD11
ADD12
ADD13
ADD14
ADD15
ADD16
ADD17
ADD18
ADD19
ADD20
ADD21
ADD22
ADD23
ADD24
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
R126 100KR126 100K
C100
C100
C101
C101
10pF
10pF
22pF
22pF
R100
R100
100K
100K
N18
N19
P21
M15
N21
P20
M18
M19
P19
N14
R20
N15
T20
R21
E20
E19
E21
F18
D14
F19
G18
V1
V2
N3
N4
N2
P1
P3
P2
N8
W1
V3
R2
R3
P4
T3
R4
U3
T4
M7
M8
U4
N7
R1
V4
W3
V5
E4
D3
F4
C1
E3
D2
D1
G4
F3
H4
G3
J8
H3
K4
J7
H2
J4
J3
H1
J2
K7
G2
W4
L7
K3
K8
G1
L3
L4
2 1
X100
X100
SSP-T6S EIKO
SSP-T6S EIKO
A3D5B3B4A2A4D6C5A5D7C6B6D8Y4C7
C4
C3
NAND_RnB
C102
C102
22pF
22pF
J 20
C10
C12DH120D10
D112C11
L 15PK15MK14LB16AB15
H21
H19
A12
N
3
K
1
N
T
S
W
B7
R12 9 N.MR129 N.M
R13 0 100KR130 10 0K
V_IO
BYPASS
RXIR_IRDA
W 8OP91W 7
R9AC16AD15
I
0Y7K
G11
D19
C21
E18
P18M4C19
D18
BE_n RESET
HS_DETECT
F M_ nRESET
INCOM_E N1
INCOM_E N2
BATTERY_EN
MESS AGE_EN
TX_MODEM1
MCSI1_CLK
MCSI1_TXD
MCSI1_FSYNCH
MCSI1_RXD
RX_MODEM1
CTS_MODEM1
DSR_MODEM1
RX_IRDA
CTS_MODEM2
G132G122B13AC17AA18AB18
D12
2
2
M3
V7
R19
AA4
CHG_DET
SEND_END
AUDAMP_SD
LCD_nRESET
MCSI2_DI
MCSI2_SYNCH
RX_MODEM2
MCSI2_CLK
B14KD13OC13IA15
W5
BACKLIGH T_EN
A191B191D161D171A201C18
1
KEYLIGHT_EN
V6
H13
C14
A10
H
O
J14
D20
AA3
D21
C15
M14
L 18
KEYPAD
KBC[0..5]
TCXOEN
RF_CLK
KBR[0..5]
TP111TP111
TP112TP112
TP113TP113
R115 1KR115 1K
SMART_CD
KBC5
KBC4
C103 1 nFC 103 1nF
P10
G10TH10KA9HV9KAA 8DY9DW 9
J 21NR10
W 20
N
DC9R
O
5
B5
J18
B12B8V20
B10
K19
C20
B17
G20
N20
C110 1 00nFC110 1 00nF
C111 1 00nFC111 1 00nF
TP122TP122
KBR5
KBR0
KBR1
KBR3
KBR2
KBR4
KBC2
KBC3
KBC1
KBC0
T19
T181W 212U193V21
V181W 192U183V194Y21
R18
5
0
0
4
T2
F2
M2
K2
A7
C2
Y6
W2
G21
K20
K18
Y15
Y10
C112 1 00nFC112 1 00nF
C113 1 00nFC113 1 00nF
C115 1 00nFC115 1 00nF
C114 1 00nFC114 1 00nF
HS_ EN1
HS_EN2
V131W 150P139R138Y14
AA 13
7
6
B21
A13
M20
C116 1 00nFC116 1 00nF
C118 1 00nFC118 1 00nF
C117 1 00nFC117 1 00nF
T SPCLK
BS
PDN
PA_EN
SW_HI_TX
SW_LO_TX
W 13
P123R122V121V110V10XV144W 173V162AA 171Y17IY16
5
4
Y1K1N1
AA7
U21
AA9U2A17
AA10
AA20
AA15
Close to U21 and AA20
C119 1 00nFC119 1 00nF
T SPEN2
E2
B1
T SPDI
TSPDO
TSPEN_0
CLK13M_OUT
ABB_FIQ
ABB_IRQ
CLK32K_OUT
IT_WAKEUP
nRESPWRON
ON_OFF
MCUDO
MCUDI
MCUEN_0
MCUEN_1
SIM_IO
SIM_CLK
SIM_RST
SIM_CD
SIM_PWR
VFSRX
VCLKRX
CSCLK
CSYNC
CRESET
CLK32K
TSPDO
CLK_13MHz
TSPDO
W16
TSPEN0
V15
CLK13M
AA18
ABB_FIQ
Y3
ABB_IRQ
AA2
CLK32K
H20
IT-WAKEUP
G19
nRESPWRON
J15
ONnOFF
H18
MCUDO
V8
MCUDI
W6
MCUEN0
Y5
R122
R122
Y8
100K
100K
BFSR
AA12
BFSR
BDR
Y13
BDR
BFSX
Y12
BFSX
BDX
W14
BDX
SIM-IO3
D9
SIM-CLK3
C8
SIM-RST3
H9
R123 10KR123 10K
B9
G9
R124 10KR124 10K
VDX
R11
VDX
VDR
W11
VDR
VFSRX
W12
VCLKRX
W10
CDO
W18
CDO
CSCLK
Y18
CSYNC
Y19
CDI
AA19
CDI
V17
J19
VSSA
K21
VSS1
L19
VSS4
A1
VSS
Y20
VSS
D4
VSS
A8
VSS
A14
VSS
B20
VSS
A21
VSS
F20
VSS
E5
VSS
M21
VSS
U20
VSS
AA21
VSS
AA14
VSS
AA5
VSS
Y2
VSS
AA1
VSS
U1
VSS
M1
VSS
J1
VSS
E1
VSS
B2
VSS
C120 1uF0603C120 1uF060 3
M10
D10
K2
J4
E1
L9
J1
H3
J2
J3
L3
K3
M2
C3
C1
D3
C2
K5
M5
L5
B2
D4
B3
B4
C4
A4
E3
D5
E4
E5
E6
E7
E8
E9
F4
F5
F7
F8
F9
G4
G5
G6
G7
G8
G9
H4
H5
H6
H7
H8
H9
J5
J6
J7
J8
B1
D7
D6
F2
C121 1uF0603C121 1uF060 3
TDR
TEN
CK13M
INT1-TEST1
INT2-TEST2
CK32K
ITWAKEUP
RESPWRONZ
ONnOFF
UDR
UDX
UEN
BFSX
BDX
BFSR
BDR
DBBSIO
DBBSCK
DBBSRST
VDR
VDX
VFS
VCK
AUDR
AUCK
AUFS
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDD
GNDSPK
GNDSPK
GNDA
GNDA2
G1
A3
D12
C123 10uF0805C123 10uF08 05
C122 4.7uF0805C 122 4.7uF0805
JATG
PWONTSP
TDO
SYREN_T DO
TMS
TCK
J 9
L 10
M6
L 6
K6
H2
G2
I
3
K
S
O
T
L1
A2
M1L2D1F1H1M3A1
D11
M12
C126 2.2uF0 603C126 2.2uF0 603
C124 4.7uF0805C 124 4.7uF0805
C125 2.2uF0 603C125 2.2uF0 603
C129 1 00nFC129 1 00nF
C128 1uF0603C128 1uF060 3
C127 1uF0603C127 1uF060 3
AFC
PWON
RPWON
C104
C104
R131 1KR131 1K
33nF
33nF
C12
E10VC10
E11
E12
K7
4
C
N
N
2
C
USB_ID
J11
ADIN1
ADIN2
ADIN3
ADIN4
ADIN5
DAC
APC
BDLQM
BDLQP
BDLIM
BDLIP
BULQM
BULQP
BULIM
BULIP
SIMIO
SIMCK
SIMRST
SPKP
SPKP
SPKN
SPKN
MICBIAS
MICIP
MICIN
EARP
EARN
HSMICBIAS
HSMICP
HSOVMID
HSOL
HSOR
AUXI
AUXO
AUVMID
AUPLL
VBATS
ICTL
VCHG
VCCS
PCHG
LEDC
REGEN
VBACKUP
VLMEM
VLRTC
VLRTC0
M7
E2
K1
D2
C6
C7
L 11
L 12
K10
M11
C109
UPR
100nF
R127
V_ABB
120K1%
V_DBB
V_IO
V_FLASH
V_RAM
V_SIM
V_RTC
V_USB
VBAT
C130 10uF0 805C130 10u F0 805
J12
J10
K11
K12
D9
C11
F12
F11
G12
G11
G10
H11
H10
H12
K4
M4
L4
A6
B6
A7
B7
C9
B12
A12
A8
B8
B10
A11
B9
A9
A10
B11
C8
D8
A5
K8
M9
M8
K9
L8
L7
F10
F3
G3
B5
C5
BAT_TEMP
MODE_DET
DAC
SIM_I/O
SIM_CLK
SIM_RST
SPKP
SPKN
MICBIAS
MICIP
MICIN
EARP
EARN
HSMICP
HSOL
HSOR
AUXI
C105
C105
4.7uF08 05
4.7uF08 05
C106
C106
R125
R125
47nF
47nF
15K
15K
C107
C107
4.7nF
4.7nF
UPR
C108
22uFM 4V P -CASE
Charger detected:
The CHG voltage above
VBAT + 0.4V is detected.
V_BUS
APC
RXQN
RXQP
RXIN
RXIP
TXQN
TXQP
TXIN
TXIP
EARP
EARN
LEDC
REGEN
VBACKUP
BB DL PATH
BB UL PATH
RECEIVER
VBATS
ICTL
VCHG
VCCS
PCHG
A A
W375 E U
5
4
3
2
VBUS
Level 3 Schematics
W375 EU Main Board Baseband Circuit
1
2006.10.25
Rev. 1.2
Page 1 of 3
5
FM_ SD
FM_ EN
4
3
2
1
FM Radio
TP401TP401
21
22
23
24
25
D D
FM_ANT
FM_nRESET
V_IO
SCL
SDA
FMCLK_EN
C C
B B
A A
CLK32K
V_IO
C403 100pFC403 100pF
R402 100KR402 100K
R409
R409
10K
10K
1
2 3
Q400
Q400
Si1012R-T1-E3 SC-75A
Si1012R-T1-E3 SC-75A
1
2
3
4
5
6
789
SEN=H 2 wire control mode
SEN=L 3 wire control mode
R401 2KR401 2K
C414
C414
100nF
100nF
19
20
1
3
2
18
VA
17
GND
16
LOUT
15
ROUT
14
GND
13
VD
10
11
12
C406
C406
22nF 16V X7R Murata
22nF 16V X7R Murata
R800 0RR800 0R
R805 200RR805 200R
R806 200RR806 200R
R807 200RR807 200R
(BS1)
(BS2)
(TX_EN)
(V_LOGIC)
AFC
RF2V8
TSPCLK
TSPEN2
TSPDO
RF_CLK
PDN
V_IO
SW_LO_TX
PA_EN
SW_HI_TX
APC
BS
C404 470nFC404 470nF
C405 470nFC405 470nF
C411
C411
470nF
470nF
TSPACT00
VIO
TSPACT02
TSPACT03
TSPACT04
TSPACT01
APC
VBAT
U402
U402
NLASB3157MTR2G WDFN6
NLASB3157MTR2G WDFN6
1
2
3
C800
C800
n.m
n.m
SCLK
/SEN
SDIO
VCC
6
S
5
4
A
FM_EN
V_IO
FM_R
C415
C415
100nF
100nF
XTAL
U800
U800
NDK 3225
NDK 3225
4
XEN
C806
C806
100nF
100nF
33
SCLK
1
SEN
2
SDIO GLNAN
3
4
5
6
7
8
TP800TP800
Mode
STANDBY
GSM RX1
GSM RX2
DCS RX3
DCS RX4
GSM_TX
DCS_TX
32
9
V_logic
0
1
1
1
1
1
1
1
31
10
C826
C826
100nF
100nF
GND
3
30
11
RF2V8
TX_EN BS1
X
0
0
0
0
1
1
2
RF2V8
C804
C804
100nF
100nF
29
28
12
13
C822
C822
100nF
100nF
X
0
0
1
1
0
1
27V26E25
14
C836
C836
7pF
7pF
BSSW_LO_TXPA_ENSW_HI_TX
BS2
X
0
1
0
1
X
X
RF2V8
15
LBTXOU T
C805
C805
100nF
100nF
RFIAN
RFIAP
RFIEN
RFIEP
RFIDN
RFIDP
RFIPN
RFIPP
16
C821
C821
3.3pF
3.3pF
HBTXOUT
PAT1010-3dB CYNTEC
PAT1010-3dB CYNTEC
PAT1010-3dB CYNTEC
PAT1010-3dB CYNTEC
Aero II & 77506
Tri-band RF
MODE HIGH LOW
XDIV /2 /1
XMODE XTAL TCXO
C807
C807
1.2pF
1.2pF
L801
C808
C808
1.2pF
1.2pF
C811
C811
1.2pF
1.2pF
C812
C812
1.2pF
1.2pF
C815
C815
1.2pF
1.2pF
C817
C817
1.2pF
1.2pF
C823
C823
10nF
10nF
C827
C827
10nF
10nF
L801
N.M.
N.M.
L804
L804
N.M.
N.M.
L807
L807
N.M.
N.M.
8
7
6
5
4
3
2
1
40
39
38
37
36
35
34
33
32
31
30
29
24
23
22
GLNAP
21
DLNAN
20
DLNAP
19
PLNAN
18
PLNAP
17
C835
C835
N.M
N.M
1 2
R815
R815
4
R816
R816
3
R817 0RR817 0R
R818 0RR818 0R
R819 0RR819 0R
R820 0RR820 0R
R8211KR821
1K
L800
L800
30nH
30nH
L803
L803
9.1nH
9.1nH
L806
L806
8.2nH
8.2nH
3
12
4
C828
C828
680pF
680pF
SAFEA942MFL0F00R1S MURATASAFEA942MFL0F00R1S MURATA
SAFEA1G84FA0F00R1S MURATASAFEA1G84FA0F00R1S MURATA
SAFEA1G96FA0F00R1S MURATASAFEA1G96FA0F00R1S MURATA
9 11
1210
13 14
C829
C829
10nF
10nF
C801
C801
2.2uF 0603
2.2uF 0603
L802
L802
4.7nH
4.7nH
C809
C809
n.m
n.m
L805
L805
22pF
22pF
C813
C813
n.m
n.m
L808
L808
2.7nH
2.7nH
C818
C818
n.m
n.m
ANT
GND
GND
GND
GSM_RX1
GND
GSM_RX2
DCS_RX3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
DCX_RX4
232425262728
C830
C830
10uF 0805
10uF 0805
RF2V8
GSMRX
DCSRX
PCSRX
15
16
17
18
19
20
21
22
52
51
50
49
48
47
46
45
44
43
42
41
C810
C810
n.m
n.m
C814
C814
n.m
n.m
C819
C819
n.m
n.m
U801
U801
R1114Q281D SC82AB
R1114Q281D SC82AB
VDD
2
CE
L809
L809
n.m
n.m
43
1
C803
C803
C802
C802
n.m
n.m
12pF
12pF
J800
J800
MM8430-2604 MURATA
MM8430-2604 MURATA
5 6
I NT
I NT
G
C831
C831
47pF
47pF
G
234
C832
C832
12pF
12pF
C824
C824
2.7nH
2.7nH
L810
L810
1pF
1pF
VBAT
TCXOEN
C
C
R X/TX
R X/TX
G
G
1
C833
C833
n.m
n.m
VBAT
C834
C834
47uF 6.3V POSCAP
47uF 6.3V POSCAP
W375 E U
Level 3 Schematics
W375 EU Main Board RF Circuit
5
4
3
2
1
2006.10.25
Rev. 1.2
Page 2 of 3
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