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Schematics, Board Overlays, and Parts Lists – VHF: VOCON Section
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AUDIO SIGNALS
EXT_SPKR
EXT_SPKR+
EXT_SPKR_NEG
EXT_SPKR-
INT_SPKR
INT_SPKR+
INT_SPKR_NEG
INT_SPKR-
R1201
100
EXT_MIC_OUT
INT_MIC_OUT
USB/RS232/SB9600
180
R1202
CE_LHDATA_KEYFAIL
R1203
390
CE_SB9600_BUSY
560
R1204
CE_CTS
R1205
1K
CE_RTS
USBP
CE_RS232DOUT_USB+
USBN
CE_RS232DIN_USB-
C1212
C1213
C1214
33pF
470pF
33pF
R1210
1K
UC_EMERG
C1217
470pF
6871620L01-C
Place close to Connector
VR1201
12.6V
1
K1
3
A1 2
K2
4
5
K3
6
A2
K4
MAKO AUDIO
EXT_SPKR
EXT_SPKR_NEG
INT_SPKR
INT_SPKR_NEG
L1204
270nH
EXT_MIC
270nH
L1205
INT_MIC
C1209
C1210
470pF
470pF
LHDATA_KEYFAIL
LH_BUSY
CTS
RTS
R1206
33
RS232_DO_USB+
33
R1207
RS232_DI_USB-
C1215
1
2
1
2
470pF
VR1202
VR1203
5.6V
5.6V
3
3
V2
R1212
100K
EMERG
VPP_EN
SW_B+
68
R1213
2
E1201
D1202
BLM11A601S
OPTION SELECT & PTT
1
R1214
CE_OPTB+_VPP
R1215
UC_INT_PTT
R1216
CE_OPT_SEL1
R1217
CE_OPT_SEL2
1
C1220
470pF
C1218
D1205
C1219
2
0.10uF
13V
0.10uF
R1239
NU
D1222
D1223
0
VR1205
6.8V
R1241
MECH_SW_b
EMD3
Q1201
10K
10K
10K
10K
10K
10K
10K
10K
D1207
1
2
V2
V2
V2
R1218
R1219
R1220
1
VR1204
9.1V
2
3
47K
10K
10K
100
4.7K
390
220
ONE_WIRE_OPT
C1221
C1222
C1223
V2
0.10uF
470pF
100pF
V2
V2
R1226
R1227
10
20K
10K
1%
4
2
3
8
7
R1228
R1229
20K
150K
1%
R1230
100K
R1231
OS2O
100
VR1208
C1232
6.8V
100pF
no place
delete,.
Figure 8-12. VOCON: Audio, Connector Interface Circuits
8-13
V2
R1221
V2
10K
R1596
For HAB =no place
EMD3
NU
Q1202
For HAB only
HAB_MOD
V2
R1223
NU
For HAB only
MOD
R1224
0
R1225
For HAB =no place
100K
OPTB+_VPP
INT_PTT
OPT_SEL1_OUT
C1224
0.10uF
V2
5
VPOS
SDA
6
VNEG
SDB
1
INNEGA
OUTA
OPT_SEL1_IN
INPOSA
9
INNEGB
OUTB
OPT_SEL2_IN
INPOSB
U1201
LMV712LDX
C1225
0.10uF
OPT_SEL2_OUT
ONE_WIRE_OPT
May 28, 2008
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