Nokia 6225 Service Manual
CCS Technical Documentation
6225
Schematics / Layouts
RH-27
Issue 1 11/2003
©
2003 Nokia Corporation Confidential
Page A-11
GPS Baseband Circuit Diagram
100n
C051
100n
J061
C060
0R
R060
J066
VCORE
VRF_GPS
VDD_IO_GPS
VDD_IO_GPS
C052
100n
J068
VBAT_GPS
2u2
C063
0R
R053
R059
NOT_INSTALLED
VDD_IO_GPS
R073
0R
R074
0R
NOT_INSTALLED
0R
R051
100k
R052
VDD_IO_GPS
VRF_GPS
J056
2u2
C064
R057
0R
VDD_IO_GPS
VBAT
M7
SPI_CLK/IO0
M8
SPI_DATA/IO§1
M9
VDD_CORE_GPS
J058
M10
FLASH_CEN
M11
PG_PULSE_N
M12
RAM_UBN
M2
GPS_CLK
M3
SIGNAL_I0
M4
SIGNAL_I1
M5
SIGNAL_I2
M6
SIGNAL_I3
L3
VDDio
L4
DATA0
L5
DATA1
L6
VDDram
L7
DATA4
L8
VDDio
L9
M1
EXINTR_N
SPI_EN/IO2
DATA2
K6
DATA3
K7
DATA5
K9
RAM_LBN
L1
DATA6
L10
DATA7
L11
RSVD_CEN
L12
ADDR3
L2
ADDR2
J3
GPS_EN_RESET
K1
VDDcore
K10
DATA8
K11
RF_REG_EN
K12
SPARE2/IO6
K2
ADDR4
K3
ADDR1
K4
DATA11
H11
SPARE1/IO5
H12
VDDa
H2
VSSa
H3
BYPASS
J1
DATA9
J10
VDDram
J11
RF_LNA_EN/IO3
J12
VDDcore
J2
ADDR5
ADDR7
F3
TIMESTAMP/IO9
G1
DATA12
G10
VDDio
G11
TEST_MODE
G12
ADDR6
G2
REF_CLK
H1
DATA10
H10
E11
TMS
E12
ADDR8
E2
ADDR9
E3
INT_U1CLK/IO4
F1
TCK
F11
F12
TDO
VDDio
F2
U1RX
D1
DATA14
D10
VDDcore
D11
NIRQ
D12
ADDR10
D2
ADDR11
D3
U1TX
E1
DATA13
E10
TDI
DATA15
C11
NTRST
C12
INT_BOOT_N
C2
ADDR12
C3
ADDR15
C5
ADDR16
C6
ADDR17
C7
ADDR18
C9
VDDcore
ADDR14
B4
VDDio
B5
DBGEN
B6
VDDram
B7
I2C_SDA
B8
ADDR19
B9
U1DATA_RDY
C1
ADDR20
C10
A7
EXTERN0
A8
I2C_SCL
A9
WEN
B1
AI2_IS801_N
B10
SLAVE_MODE
B11
OEN
B12
ADDR13
B2
B3
A10
A11
CHIPSEL_IN_N
A12
ADDR21
RAM_CEN
A2
SLEEPX_N
A3
RTC_CLK
A4
PA_EN/IO8
A5
U2RX
A6
U2TX
D051
TWL5001_V1.2
GND VSS PINS=
FRAMESTART
A1
SPARE3/IO7
C058
VIO
100n
10n
C068
BYPASS
GND
VEN
VIN
VOUT
J055
-2.8
LP3985ITLX
N052
C054
100n
C057
100n
VCORE
VLNA_GPS
VLNA_GPS
C056
100n
C065
J051
J067
10n
J052
J062
J064
VBAT
VDD_CORE_GPS
VIO
J057
R054
0R
GPS_INT_U1_CLK
GPS_INT_U1_CLK
GPS_EN_RESET
GPS_EN_RESET
GPS_U2TX
GPS_I2C_CLOCK
GPS_I2C_DATA
GPS_CLK
GPS_B0
GPS_B1
GPS_B2
GPS_B3
GPS_U2RX
GPS_RFCLK’
GPS_U1_DATA_RDY-TIMESTAMP
GPS_U1_DATA_RDY-TIMESTAMP
GPS_SPI_CLK
GPS_PA_EN
GPS_PA_EN
GPS_SLEEPX
GPS_SLEEPCLK
GPS_U1_RX
GPS_U1_RX
GPS_RFCLK
GPS_U1_TX
GPS_U1_TX
GPS_SPI_EN
VLNA_GPS
VRF_GPS
VBAT
VDD_IO_GPS
VIO
VCORE
GPS_SPI_DATA