8-16
Schematics, Board Overlays, and Parts Lists – VHF
: VOCON Section
May 28, 2008
6871620L01-C
Figure 8-15. VOCON: Audio and Accessory Interface Circuits
Ground Connection
MIC_BIAS (5V)
C1346
VCC5
NC
SW_B+
10uF
VCC5
C1364
100pF
C1351
100pF
C1354
V2
V2
V2
0.1uF
NC
2.2K
R1323
1
C1363
0.1uF
5
VCC
NC
NC
URTS1_XRXD
U1306-2
PWR_GND
3
GND
0
R1343
NC
R1352
4.7K
NC
V2
V2
V2
R1326
330
R1325
2.2K
R1348
10K
VCC5
V2
NC
C1355
.022uF
100
R1337
V2
VCC5
NC
NC
0
R1334
0
R1344
R1342
10K
10K
R1330
C1370
0.10uF
10K
R1354
10K
R1339
R1350
470K
C1352
1.0uF
R1345
0
2.7K
V2
NC
10K
R1353
R1355
100
R1336
R1357
0
NC
0.1uF
C1362
C1357
.068uF
C1356
.068uF
C1367
0.10uF
V2
NC
R1335
100
NC
NC
NC
R1328
0
NC
R1327
330
NC
6.8K
R1329
UTXD1_USB_VPO
1
10K
R1356
NC
0
R1358
R1351
100
20K
R1331
C1347
NC
NC
1.0uF
100pF
C1348
U1306-1
74VHC125
A
2
E
O
1
Y
4
R1322
390
10K
R1341
20K
R1332
100pF
C1365
47K
R1346
R1347
470K
NC
VCM1
J3
H4
VCM2
VC_OUT_M
H2
VC_OUT_P
H3
E8
VFUSE
VMES
L10
A4
VREF
MIC_BIAS
L2
E1
PA_BPLUS
G3
PA_IN_M
G2
PA_IN_P
N1
PWR_CTRL
C4
SCAN_EN
A3
TEST
TX_RX
A11
G1
EXT_SPKR_M
H1
EXT_SPKR_P
L3
FE_TUNE1
M2
FE_TUNE2
INT_MIC_M
K1
INT_MIC_P
K2
F2
INT_SPKR_M
F1
INT_SPKR_P
ATOD_4
L12
ATOD_5
L13
ATOD_6
K11
ATOD_7
K12
ATOD_8
K13
BPLUS
E3
EXT_MIC_M
J1
EXT_MIC_P
J2
U1304-3
ADC_VREF
M12
AD_TRIG
B11
ATOD_0
N14
ATOD_1
M13
ATOD_2
L11
ATOD_3
M14
LM7301
4
3
1
2
5
PA_CODEC_A2D_BLOCK
A7
VC_RX
B7
VC_TX
M4
VC_TX3V
U1305
USB2_DM
P8
N7
USB2_DP
A9
USB2_OE_RCV_RTS
C9
USB2_SE0_VM_RXD
USB_CONNECT
L6
C10
USB_INTX
E7
VC_DCLK
D7
VC_FSYNC
E9
UART2_TXD
N3
UCM_SS
C8
USB1_DAT_TXD
USB1_DM
P7
USB1_DP
N6
B8
USB1_OE
D8
USB1_SE0
B9
USB2_DAT_VP
E6
SPI_CLK
D6
SPI_CS
B6
SPI_DI
C6
SPI_DO
TXDO_BDI_5V
M10
K6
TXDO_BDI_ENC_3V
J5
TXDO_BDI_UP_3V
A10
UART2_RXD_OD
M3
RTS_FILLSEN_3V
RTS_FILLSEN_5V
M11
P2
RXDIN_3V
RXDIN_5V
N12
N2
RXDIN_ENC_3V
N8
SB96D_BDO_KF_3V
SB96_BDO_KF_5V
N9
SB96_BUS_BUSY
N13
P12
OPTB_SEL2
N11
OPTB_SEL3
OPTION_INTX
B12
F10
OPT_GPIO0
C11
OPT_GPIO1
G10
OPT_GPIO2
D11
OPT_GPIO3
A8
RS232_USB_X
ONE_WIRE_BATT
L8
L7
ONE_WIRE_UP
P10
OPTA_SEL0
K7
OPTA_SEL1
M9
OPTA_SEL2
N10
OPTA_SEL3
P11
OPTB_SEL0
K8
OPTB_SEL1
C12
BUSY_IN
E11
BUSY_OUT
D10
CABLE_DET_3V
CTS_CABLE_DET_5V
P13
B10
CTS_X
A6
LOGIC_VDD
ONE_WIRE_1
P9
ONE_WIRE_2
M8
DIGITAL_BLOCK
U1304-2
L5
APCO
A5
BBP_CLK
B5
BBP_SYNC
C7
BOOT_NORM_X
C1350
.018uF
R1349
470K
390
R1324
R1340
10K
5.6V
VR1301
NC
NC
R1338
100
NC
V2
NC
C1349
10uF
1.0uF
C1353
VCC5
100pF
NC
RS232_DI_USB-
RS232
USB_DM
USB_DP
ANALOG
URXD2_1
C1368
MAKO_CE
CODEC_DCLK
CODEC_RX
INT_MIC
EXT_MIC
CODEC_FSYNC
CODEC_TX
UCM_KF_MAKO
AUDIO_B
RTS
ANALOG
VC_FSYNC
VC_RX
VC_TX3V
SB9600_BUSY
LHDATA_KEYFAIL
CTS
BAT_STATUS
BAT_STATUS_1
ONE_WIRE_OPT
GND
URXD2
Board_type
Board_ID
TX_SSI_CLK
TX_SSI_FSYNC
BOOT_NORM*
BSY_IN_RTS
BSY_OUT_CTS
KVL_USB_DET
UCTS_USB_SPEED
ONE_WIRE_UP
RS232_USB*
SCKB
MAKO_CS
SPI_MOSIB
SPI_MISOB
UTXD2
UCM_SS
UTXD1_USB_VPO
USB_TXENAB
USB_VMO
USB_VPI
URTS1_XRXD
URXD1_USB_VMI
VC_DCLK
ADTRIG
EXT_SPKR_NEG
EXT_SPKR_POS
INT_SPKR_NEG
INT_SPKR_POS
ANALOG_S
DC_I0
ADC_VREF
VMES
EMERG
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......