Motorola APX 3000 Detailed Service Manual page 297

Schematics, Boards Overlays, and Parts Lists: Main Board Block: 700–800 MHz (84012501002)
2.8V LDO
V_SW_3.60 U1305 GPS_BT_2.8V
LP5900
A1 B2
VEN VOUT
A2
VIN
R1303
0
C1301 C1303
2.2UF
1UF
C1314 C1315 L1316 C1302 R1301
12PF .75PF 9NH 5.6PF 0
ANT 1
IN
C1317 L1305
1.8PF 4.7NH
C1318
3.3PF
VDD_TCXO 26MHZ TCXO
L1301
R1305 18NH
0 1 2
C1321
22PF
1 ENABLE_DISABLE 3
OUTPUT
Y1304
KT2016A
26MHZ
GPS_BT_2.8V EXTERNAL LNA
L1303
18NH
2 1
C1307 C1308
12PF 1000PF
FL1301 U1304
FARF6KA1G5754 BGA615L7
C1304
12PF C1322 R1310
OUT 4 1
IN AI 22PF
0
2 6
BIAS AO
4
2 1 PON
L1304
100NH R1309 R1311
110
L1302 110
LNA_ENABLE
DNP DNP
3.3NH
C1309
12PF
C1305
.01UF
BLUETOOTH ANTENNA
R1338
R1320
0 BT_RF_C
1
M1301 0
1 G1 3
M1302
R1337 C1339
L1308 A 2
0 2PF
39NH C 1
DNP
DNP G2 4
DNP
J1301
CONN_J
V_SW_3.60
R1313
0
C1310 C1326 C1327
VDD_TCXO
1UF .1UF 18PF
V_EXT_1.85
VDD_TCXO VPROG STATE
R1340
FLOATING = 2.87V
0
VDDS = 1.8V
F1
TCXO_CLK_LV
D4
NC
TCXO_CLK_REQ
E1
C1376
TCXO_LDO_VPROG
10PF
L2
GPS_LNA_IN
J4
NC VSENSE
L4
NC IFORCE
H3
NC GPS_TP
H2
NC GPS_TM
J9
FM_RFN_IN
L9
FM_RFP_IN
L8
NC FM_ABGAP_CAP
K9
NC
FM_RFP_OUT
H7
FM_AUD_IN_L
H8
FM_AUD_IN_R
FL1303
L7
FARF6KA1G5754 NC FM_AUD_OUT_L
C1325 K7
L1306
NC FM_AUD_OUT_R
22PF
12NH
1 OUT 4
IN
C10
BT_RF
C1324
1PF
L10
NC TEST_EN
A10
NC
BT_TESTM
B8
NC
BT_TESTP
A1
NC PMTEST_1P8V
FL1302
LFB2H2G45CC1D005TEMP
1 OUT 3
IN
C1323
22PF
V_EXT_1.85
R1315
0
C1313 C1336 C1337
1UF .1UF 18PF
R1318
H9 0
RTC_CLK
J6
REF_CLK_REQ
NC
E8
REF_CLK_HV
LNA_ENABLE
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
GPS_PPS_OUT TP1303
F5
GPS_UART_TX
E3
GPS_UART_RX
F4
U1301 GPS_SENS_I2C_SCL
NC
E4
NL5500 GPS_SENS_I2C_SDA NC
F8
FM_I2S_CLK NC
F7
FM_I2S_FSYNCH NC
G8
FM_I2S_IN NC BT_TX_DBG
G7
FM_I2S_OUT_BT_GPIO1 NC
OUT
F6
FM_I2C_SCL NC
R1306
E6
FM_I2C_SDA NC
0
G6
FM_IRQ NC
R1307
0
H5 1
BT_TX_DBG_BT_GPIO6 TP1304
C7
BT_GPIO2
NC
D6
BT_GPIO3
NC
C5
BT_GPIO4
NC
D7
BT_GPIO5 NC
A5
BT_IRQ_BT_HOST_WAKEUP
H10
BT_WAKEUP
A6
BTFM_NSHUTDOWN
R1325
A4
BT_HCI_UART_TX
0
B5
BT_HCI_UART_RX
B7
BT_HCI_UART_RTS
B4 R1326
BT_HCI_UART_CTS
0
D1
BT_AUD_CLK
D2 R1302
BT_AUD_FSYNC
C3 0
BT_AUD_OUT
D3
BT_AUD_IN
R1304
0
Figure 8-46. GPS Bluetooth Circuit – 1 of 2
8-75
IN 32KHZ (FROM CPLD)
IN GPS_SHUTDOWN
(FROM OMAP)
R1308
100K
GPS UART
R1322
0
GPS_TX
OUT
(TO OMAP UART RX)
GPS_RX
IN
R1323 (FROM OMAP UART TX)
0
BT_HOST_WAKEUP_1.8V
(FROM AVR)
(FROM AVR)
BT_WAKEUP_1.8V
BT_SHUTDOWN_1.8V (FROM AVR)
TP1311
TEST_POINT
BT HCI UART
BT_UART_TX_1.8V
(FROM AVR)
BT_UART_RX_1.8V (FROM AVR)
(FROM AVR)
BT_UART_RTS_1.8V
BT_UART_CTS_1.8V (FROM AVR)
BT AUDIO
(REMOVE LATER)
R1329 0
(FROM OMAP)
IN BT_AUD_CLK
(REMOVE LATER)
R1330 0
IN BT_AUD_FSYNC (FROM OMAP)
(REMOVE LATER)
R1331 0
(FROM OMAP)
OUT BT_AUD_OUT
(REMOVE LATER)
R1332 0
IN BT_AUD_IN
(FROM OMAP)