Motorola APX 1000 Detailed Service Manual page 992

8-162
2.8V LDO
U1305M3
R1303M3
VEN VOUT
VIN
C1301M3
C1303M3
FL1301M3
C1314M3 C1315M3 L1316M3 C1302M3 R1301M3
ANT
IN
IN
L1305M3
C1317M3
C1318M3
Figure 8-82. GPS Circuit
26MHZ TCXO
L1301M3
R1305M3
Y1304M3
VCC
ENABLE_DISABLE
OUTPUT
GND
EXTERNAL LNA
L1303M3
C1307M3 C1308M3
U1304M3
C1304M3
OUT AO C1322M3 R1310M3
AI
BIAS
L1304M3 PON
L1302M3
C1309M3
C1305M3
R1313M3
VDD_TCXO VPROG STATE
R1340M3
FLOATING = 2.87V
VDDS = 1.8V
C1321M3
TCXO_CLK_LV
NC TCXO_CLK_REQ
TCXO_LDO_VPROG
C1376M3
GPS_LNA_IN
NC VSENSE
NC
IFORCE
NC GPS_TP
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
NC FM_AUD_OUT_L
FL1303M3
NC FM_AUD_OUT_R
C1325M3 L1306M3
IN OUT
NC BT_RF
C1324M3
NC TEST_EN
NC BT_TESTM
NC BT_TESTP
NC
PMTEST_1P8V
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012621001)
R1318M3
RTC_CLK
REF_CLK_REQ NC
REF_CLK_HV LNA_ENABLE
REF_CLK_LV
CLK_REQPOL
GPS_I2C_UART_SEL
GPS_IRQ R1317M3
GPS_TIMESTAMP NC
GPS_PA_EN
NC
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
FM_IRQ
NC
BT_TX_DBG_BT_GPIO6 NC
BT_GPIO2 NC
BT_GPIO3
NC
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
BT_AUD_IN
NC
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)