Motorola APX 1000 Detailed Service Manual page 900

8-54
2.8V LDO
U1305M3
R1303M3
VEN VOUT
VIN
C1301M3 C1303M3
FL1301M3
C1302M3 R1301M3
C1314M3 C1315M3 L1316M3
ANT IN
IN
L1305M3
C1317M3
C1318M3
Figure 8-26. GPS Circuit
26MHZ TCXO
L1301M3
R1305M3
Y1304M3
VCC
ENABLE_DISABLE
OUTPUT
GND
EXTERNAL LNA
L1303M3
U1304M3
C1304M3
OUT
AI AO C1322M3 R1310M3
BIAS
L1304M3
PON
L1302M3
C1309M3
C1305M3
VDD_TCXO VPROG STATE
FLOATING = 2.87V
VDDS = 1.8V
C1321M3
TCXO_CLK_LV
NC TCXO_CLK_REQ
C1376M3 TCXO_LDO_VPROG
GPS_LNA_IN
NC VSENSE
NC IFORCE
GPS_TP
NC
NC GPS_TM
FM_RFN_IN
FM_RFP_IN
NC FM_ABGAP_CAP
NC FM_RFP_OUT
FM_AUD_IN_L
FM_AUD_IN_R
FL1303M3 NC FM_AUD_OUT_L
NC FM_AUD_OUT_R
C1325M3
L1306M3
IN OUT
BT_RF
NC
C1324M3
TEST_EN
NC
NC BT_TESTM
NC BT_TESTP
PMTEST_1P8V
NC
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012618001)
R1318M3
RTC_CLK
REF_CLK_REQ NC
LNA_ENABLE
REF_CLK_HV
REF_CLK_LV
CLK_REQPOL
GPS_I2C_UART_SEL
GPS_IRQ
GPS_TIMESTAMP NC
NC
GPS_PA_EN
GPS_EXT_LNA_EN
GPS_NSHUTDOWN
GPS_PPS_OUT TP1303M3
GPS_UART_TX
GPS_UART_RX
U1301M3
GPS_SENS_I2C_SCL NC
GPS_SENS_I2C_SDA NC
FM_I2S_CLK NC
FM_I2S_FSYNCH NC
FM_I2S_IN NC
FM_I2S_OUT_BT_GPIO1 NC
FM_I2C_SCL NC
FM_I2C_SDA NC
NC
FM_IRQ
BT_TX_DBG_BT_GPIO6 NC
BT_GPIO2 NC
NC
BT_GPIO3
BT_GPIO4 NC
BT_GPIO5 NC
BT_IRQ_BT_HOST_WAKEUP NC
BT_WAKEUP NC
BTFM_NSHUTDOWN NC
BT_HCI_UART_TX NC
BT_HCI_UART_RX NC
BT_HCI_UART_RTS NC
BT_HCI_UART_CTS NC
BT_AUD_CLK NC
BT_AUD_FSYNC NC
BT_AUD_OUT NC
NC
BT_AUD_IN
TPEX3
TP1305M3
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)
(TO SHARE PIN WITH 100-PIN CONNECTOR)