Schematics, Board Overlays, and Parts Lists – VHF
: VOCON Section
8-13
6871620L01-C
May 28, 2008
Figure 8-12. VOCON: Audio, Connector Interface Circuits
5
2
3
6
4
1
,
NU
NU
For HAB only
MAKO AUDIO
NU
V2
Q1202
EMD3
R1225
100K
VR1204
2
3
1
9.1V
33pF
C1214
C1213
470pF
3
6
4
1
EMD3
Q1201
5
2
150K
1%
R1229
560
R1204
270nH
3
1
2
L1205
5.6V
VR1202
R1227
100K
R1212
10K
10K
1%
SW_B+
R1219
V2
10K
R1220
R1213
68
VR1203
3
1
2
C
N
470pF
C1209
5.6V
R1210
1K
270nH
L1204
33pF
C1212
R1217
390
R1216
220
R1218
47K
R1215
4.7K
C1222
R1205
C
N
100pF
R1203
1K
390
33
R1207
R1206
33
C1221
470pF
C1219
470pF
C1220
0.10uF
C1215
470pF
R1202
180
470pF
C1217
K3
4
K4
6
V2
VR1201
A1 2
A2
5
K1
1
K2
3
470pF
12.6V
Place close to Connector
C1210
R1201
100
V2
R1231
100
BLM11A601S
E1201
C1223
0.10uF
V2
R1214
100
D1205
1
2
V2
C1225
13V
R1230
0.10uF
C1224
V2
100K
V2
0.10uF
R1226
20K
R1228
20K
D1202
1
2
10K
For HAB =no place
R1221
For HAB =no place
0
R1223
For HAB only
V2
V2
R1224
R1596
0.10uF
C1218
delete,.
100pF
C1232
no place
D1222
R1241
0
4
VNEG
10
VPOS
R1239
2
INNEGA
8
INNEGB
3
INPOSA
7
INPOSB
1
OUTA
9
OUTB
5
SDA
6
SDB
V2
LMV712LDX
U1201
1
G
D
N
G
T
C
D1207
1
2
MECH_SW_b
6.8V
VR1208
VR1205
6.8V
OPT_SEL1_OUT
OPTION SELECT & PTT
_VPP
UC_INT_PTT
CE_OPT_SEL2
CE_OPT_SEL1
D1223
VPP_EN
OS2O
OPTB+_VPP
MOD
OPT_SEL2_OUT
OPT_SEL2_IN
OPT_SEL1_IN
INT_PTT
ONE_WIRE_OPT
ONE_WIRE_OPT
INT_MIC_OUT
EXT_MIC_OUT
AUDIO SIGNALS
E
EXT_SPKR-
I
INT_SPKR
INT_SPKR
INT_SPKR-
INT_SPKR_NEG
INT_SPKR_NEG
EXT_SPKR
EXT_SPKR
HAB_MOD
RTS
CTS
INT_MIC
LHDATA_KEYFAIL
RS232_DI_USB-
RS232
LH_BUSY
USBN
USBP
EXT_SPKR_NEG
EXT_SPKR_NEG
EMERG
EXT_MIC
CE_CTS
CE_RS232D
CE_RS232DIN_USB-
USB/RS232/SB9600
CE_LHDATA_KEYFAIL
CE_SB9600_BUSY
CE_RTS
UC_EMERG
10K
10K
10K
10K
10K
10K
10K
10K
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: ......