Figure 8-25. Gps Bluetooth Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01)
2.8V LDO
U1305
V_SW_3.60 GPS_BT_2.8V
LP5900
R1303
0
A1 B2
VEN VOUT
A2
VIN
C1301 C1303
1UF
2.2UF
FL1301
FARF6KA1G5754
C1314 C1302
C1315 L1316
R1301
12PF .5PF 6.8PF
13NH 0
ANT
1 IN OUT
IN
C1317 L1305
1.8PF 5.6NH
C1318
3.3PF
BLUETOOTH ANTENNA
26MHZ TCXO
VDD_TCXO
L1301
18NH
1 2
R1305 Y1304
0
C1321
22PF
1 ENABLE_DISABLE 3
OUTPUT
KT2016A
26MHZ
EXTERNAL LNA
GPS_BT_2.8V
L1303
18NH
2 1
C1307 C1308
12PF 1000PF
C1304
12PF C1322
R1310
4 1 22PF
AI 0
1 2 2 6
BIAS AO
4
L1304 PON
100NH
L1302
R1309 R1311
3.3NH
U1304
110 110
LNA_ENABLE
BGA715N7 DNP
DNP
C1305 C1309
.01UF
12PF
FL1302
LFB2H2G45CC1D005TEMP
R1338
CONTACT
.5PF
1 1 3
IN OUT
M1301
C1323
R1339 22PF
L1308 R1337
0
39NH 0
DNP
DNP
DNP
V_SW_3.60
R1313
0
C1310 C1326 C1327
VDD_TCXO
1UF .1UF 18PF
V_EXT_1.85
VDD_TCXO VPROG STATE
FLOATING = 2.87V R1340
0
VDDS = 1.8V
F1
TCXO_CLK_LV
D4
TCXO_CLK_REQ
NC
E1
C1376
TCXO_LDO_VPROG
10PF
L2
GPS_LNA_IN
J4
NC VSENSE
L4
NC IFORCE
H3
GPS_TP
NC
H2
GPS_TM
NC
J9
FM_RFN_IN
L9
FM_RFP_IN
L8
FM_ABGAP_CAP
NC
K9
NC FM_RFP_OUT
H7
FM_AUD_IN_L
H8
FM_AUD_IN_R
FL1303
L7
NC
FARF6KA1G5754 FM_AUD_OUT_L
C1325
L1306 K7
NC FM_AUD_OUT_R
22PF
12NH
1 IN OUT 4
C10
BT_RF
C1324
1PF
L10
NC TEST_EN
A10
NC
BT_TESTM
B8
NC
BT_TESTP
A1
NC PMTEST_1P8V
V_EXT_1.85
R1315
0
C1313 C1336 C1337
C1311 C1312
1UF 1UF 1UF .1UF 18PF
R1318
H9 0
RTC_CLK
J6
REF_CLK_REQ NC
E8
LNA_ENABLE
REF_CLK_HV
E7
REF_CLK_LV
G4
CLK_REQPOL
H4
GPS_I2C_UART_SEL
G5 R1317
GPS_IRQ
C6 0
GPS_TIMESTAMP NC
G3
GPS_PA_EN NC
H6
GPS_EXT_LNA_EN
D5
GPS_NSHUTDOWN
C4 1
TP1303
GPS_PPS_OUT
F5
GPS_UART_TX
E3
GPS_UART_RX
U1301 F4
GPS_SENS_I2C_SCL NC
E4
NL5500 NC
GPS_SENS_I2C_SDA
F8
FM_I2S_CLK NC
F7
FM_I2S_FSYNCH NC
G8
FM_I2S_IN NC
G7
FM_I2S_OUT_BT_GPIO1 NC
OUT
F6
FM_I2C_SCL NC
E6
FM_I2C_SDA NC
G6
FM_IRQ NC
H5 1
BT_TX_DBG_BT_GPIO6 TP1304
C7
BT_GPIO2 NC
D6
BT_GPIO3 NC
C5
NC
BT_GPIO4
D7
BT_GPIO5 NC
A5
BT_IRQ_BT_HOST_WAKEUP
H10
BT_WAKEUP
A6
BTFM_NSHUTDOWN
A4
BT_HCI_UART_TX
B5
BT_HCI_UART_RX
B7
BT_HCI_UART_RTS
B4
BT_HCI_UART_CTS
D1
BT_AUD_CLK
D2
BT_AUD_FSYNC
C3
BT_AUD_OUT
D3
BT_AUD_IN
8-53
TPEX3
1
TP1305
IN 32KHZ (FROM CPLD)
IN GPS_SHUTDOWN
(FROM OMAP)
GPS UART
OUT GPS_TX
(TO OMAP UART RX)
IN GPS_RX
(FROM OMAP UART TX)
TP1306 TP1307 TP1308
(TO SHARE PIN WITH 100-PIN CONNECTOR)
BT_TX_DBG
IO BT_HOST_WAKEUP_1.8V
(FROM AVR)
TP1309
(FROM AVR)
IN BT_WAKEUP_1.8V
TP1310
(FROM AVR)
IN BT_SHUTDOWN_1.8V
TP1311
BT HCI UART
R1325
0
OUT BT_UART_TX_1.8V (FROM AVR)
R1326
TP1312
0
IN BT_UART_RX_1.8V
(FROM AVR)
TP1313
(FROM AVR)
OUT BT_UART_RTS_1.8V
TP1314
(FROM AVR)
IN BT_UART_CTS_1.8V
TP1315
BT AUDIO
R1329
0 (FROM OMAP)
IN BT_AUD_CLK
R1330
0
IN BT_AUD_FSYNC (FROM OMAP)
R1331
0 (FROM OMAP)
OUT BT_AUD_OUT
R1332
0
IN BT_AUD_IN (FROM OMAP)

Figure 8-25. GPS Bluetooth Circuit