Filter
Top Products
8-5
November 1998
Part No. 001-7600-001
VHF (7610) MAIN BOARD SCHEMATIC
15.3MHz
3.6V
2.2V
RX:1.2V
RX:0V
RX:0.63V
RX:4.7V
RX:0V
7.7V
TX:0V
RX:5.0V
TX:5.0V
RX:0V
13.2V
5.0V
(PMR)
LMR
(only)
13.2V
5.0V
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
IC2 µPD3140GS
VCC1
IN1
ENB
CLK
DATA
T1
LOK
CP1
FI1
FO1
GND1
IN2
VCC2
XB
XI
XO
GND2
CP2
FI2
FO2
C68
0.01
R49
EXB-V8V
(1kx4)
C69
0.001
C70
47p
C71
47p
C72
47p
C73
0.001
R50
100
C74
20p(L-band)
9p(H-band)
C75 9p
(H-band only)
L16 32nH
C67
0.001
C80
12p
X1 CR-575
C79
56p
R51
100
C82
33p
D12
HVU17
R54
47k
C86
0.001
C85
2.2
R233
1k
R232
470k
R55
75k
C61
0.68
C60
2.2
R44 10
R43
2.2k
R46
10k
C59
0.1
C58
0.001
L15
2.7µH
Q9
DTC114EU
C57
0.001
D10
MA77
R37
1k
C281
0.001
R60
15k
C56
0.001
D9
MA77
C54
100p(L-band)
56p(H-band)
C55
33p
L14
MC152-E558CN
-100024
D8
HVU350
D7
HVU350
C53
1.5p
R36
8.2k
Q8
2SC4226
C51
0.001
R35
220
Q7
2SC4226
R34
8.2k
C52
2p
C50 0.001
R33
470
C62
0.001
R39
47k
C49
0.001
R38
1k
R32
100
C63
10
R40
4.7k
Q10
2SC4081
D11
MA111
R45
2.2k
R41
1k
C64
0.001
C65
0.001
R47
1k
C66
0.001
R48
47k
Q11
2SK880
CP1
LVIN
REF
BAL
PLST
SCK
SO
UNLK
C48
0.5p
Q6
2SC4215
C47
0.001
R31
68k
L13
0.1µH
R30
680
C45
5p
C44
0.001
R29
68k
L12
0.1µH
Q5
2SC4215
C46
22p
C43
12p
C42
0.001
R27
39k
L11
0.1µH
Q4
2SC4215
C41
18p
R25
4.7k
D6
MA77
D5
MA77
R24
100
C39
10p
R21
5.6k
R23
4.7k
C40
0.001
R28
470
R26
390
R22
100
R20
8.2k(PMR)
15k(LMR)
C38
0.001
R19
150
R246
150
C36
47p
R17
1.8k
Q3
2SC4215
C35
0.001
R15
100
Q2
2SC4215
R16
3.9k(PMR)
8.2k(LMR)
C37
0.001
R18
100
R14
22
L9
0.12µH(L-band)
0.15µH(H-band)
C32
0.001
D29
DA221
C30
0.001
R11
27(PMR)
5.6(LMR)
R10
27(PMR)
5.6(LMR)
Q1
2SC4703
C29R12
560
C299
0.001
R13
2.2k
C31
470p
C33
15p(PMR)
18p(LMR,L-band)
8p(LMR,H-band)
L8
68nH
C28
470p
C27
0.001
C26
0.001
R9
56
C25
C24
C23
R8
270
(PMR only)
R59 22k
R245
10k
F
IN
MOD
NWC
Q16
DTA144EU
C147
0.01
C146
0.01
R110
47k
R108
22k
R109
10k
R107
22k
D23
DAN202U
D22
DAN202U
IO
R105
15k
R106
15k
FI3
SFPC450G
C149
0.1
R104
10
OI
FI4
SFPC450E
C148
0.1
R100
330k
C139
220p
C138
220p
R98
100k
C137
0.1
C136
1
R99
2.2k
(L-band)
3.3k
(H-band)
C135
0.01
OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN
MIXIN
GND
N-REC
N-DET
RSSI
IFOUT
QUAD
AFOUT
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
R241
100k
C134
0.001
R96
1.8k
IC3
TA31136FN
R102
1.5k
C140
10p
L26
1µH
C141
18p
C142
4p
C143
12p
L27
1µH
C145
10p
C144
15p
X3
CDBCA450CX24
NOIS
C133
0.033
SD
R97 470
C132
0.001
C290
0.01
C131
100p
R95
1.5k
C130
0.01
Q15
2SC4081
C129
0.01
R93
10k
C128
0.01
Q14
2SC2714
C127
0.01
R92
470
R91
100k
R89
560
FI1b
FI2
SFPC450G
C126
11p
FI1a
C124
0.001
R87
820
C119
0.01
C120
0.001
C121
68p
L25
0.47µH
R86
220
C123
0.01
C122
0.001
Q13
3SK166
R83
10k
R81
100k
L24
0.1µH
C117
56p
C118
15p
C116
15p
L23
47nH
C107
1p
R84
100
R78
4.7k
C115
0.001
R77
100
L22
33nH
C112
15p(L-band)
8p(H-band)
D21
HVU350
C111
120p(L-band)
100p(H-band)
D20
HVU350
R74
100k
R76
1M
C110
0.001
T4
T3
R75
1M
C109
0.001
R73
100k
D19
HVU350
D18
HVU350
C106
120p(L-band)
100p(H-band)
C105
6p(L-band)
4p(H-band)
R72
100k
C104
0.001
C103
0.001
C102
0.01
R71
100
Q12
3SK239
C100
0.001
R69
47
C101
0.001
R67
10k
L21
33nH
R66
100k
C99
1.5p
L20
54nH
C98
9p(L-band)
6p(H-band)
C97
220p(L-band)
100p(H-band)
D17
HVU350
RFATT
T2
R62
100k
C96
0.001
R64
1M
R63
1M
T1
R61
100k
C95
0.001
C92
150p(L-band)
100p(H-band)
C91
4p(L-band)
1.5p(H-band)
L19
54nH
C90
4p
D15
1SS352
C89
7p
D14
MI809
C286
0.001
Q35
DTA144EU
C202
0.001
R228
18k
L18
656LZ-09K
D13
MI809
C88
22p
C87
15P(PMR)
18P(LMR)
L17
656LZ-09K
VIN1
VOUT1
VOUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4
VIN8
VOUT8
VOUT7
VIN7
GND
RESET
VDAREF
DO
VIN6
VOUT6
VOUT5
VIN5
IC5
M62363FP-650C
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
22
23
24
C176
0.01
R140
100
C177
0.01
C178
0.001
DAST
SCK
SO
C179
0.001
C180
0.001
C181
0.001
R143
100k
R142
100k
R141
100k
C182
10
R145
10k
C183
0.01
R154
100k
-
+
8
10
9
IC7c
NJM2902V
C283
0.0018
R223
33k
C284
390p
R146
68k
R151
10k
T1
T2
T3
T4
R152
10k
DTCS
R177
47k
C184
2.2
R147
180k
R148
56k
C185
0.1
EXTONE
TONE
C186
0.1
R149
180k
R153
10k
R150
210k
R155
10k
C213
0.001
W6
-
+
6
7
5
C187
0.01
R158
680k
IC7b
NJM2902V
R156
680k
R157
12k
R159
10k
IC8b
NJM2904V
6
7
5
-
+
R162
68k
C194
2.2
R161
470k
R163
1M
C189
0.01
AFHPF
R160
15k
C190
0.01
R227
680k
C188
0.047
R164
4.7k
+
-
3
1
2
IC8a
NJM2904V
R166
120k
8
4
R226
180k
C192
0.01
R170
1M
R171
1M
R230
2.2k
C196
0.1
R229
47k
AFOUT
DET
B
R172
15k
C197
0.1
A
MICIN
MICOUT
R165
47k
C294
0.01
R181
4.7k
-
+
13
14
12
R176
680k
C199
0.1
R174 680k
C198 15p
C201
10
R180
39k
R179
150k
MIC
R175
10k
C296
0.001
R235
10k
3
1
2
-
+
11
4
R236
100k
C287
100p
R234
100k
D31
DA204U
R178
33k
IC7a
NJM2902V
R238 18k
8V
CPU5V
GND
OPINT
OPCS
BUSY
BEEPOUT
TONE
BEEP
DTCS
RFATT
NOIS
UNLK
EXEN
EXST
DAST
PLST
VIN
TEMP
MIC
5V
AFO
SI
OPT3
OPT2
OPT1
OPV3
OPV2
OPV1
PTT
PTTIN
DET
PWON
EXPTT
DIMIN
SO
SCK
SD
LVIN
GND
J1
R212
EXB-V8V
(1kX4)
R213
EXB-V8V(1kX4)
R214
EXB-V8V(1kX4)
R215
EXB-V8V(1kX4)
R216
EXB-V8V(1kx4)
R217
EXB-V8V(1kx4)
R219
EXB-V8V(1kx4)
R218
EXB-V8V(1kx4)
C238
0.001
C236
0.001
C237
0.001
R247 47k
C247 47p
C246 47p
C245 47p
C244 47p
C243 47p
C242 47p
C241 47p
C240 47p
C252 47p
C253 47p
C254 47p
C292 47p
C251 47p
C250 47p
C249 47p
C248 47p
C256 47p
C255 47p
C257 47p
C258 47p
C259 47p
C260 47p
C261 47p
C262 47p
C263 47p
C264 47p
C265 47p
C266 47p
C267 47p
C268 47p
C269 47p
C270 47p
C285 47p
C291 47p
C200
0.22
R237 1k
OPINT
OPCS
BUSY
BEEPOUT
TONE
BEEP
DTCS
RFATT
NOIS
UNLK
EXEN
EXST
DAST
PLST
VIN
TEMP
MIC
AFO
SI
OPT3
OPT2
OPT1
OPV3
OPV2
OPV1
PTTOUT
PTTIN
DET
PWON
EXPTT
DIMIN
SO
SCK
SD
LVIN
PTTIN
PTTOUT
MICOUT
MICIN
NC
BUSY
NC
SIGOUT
OPT1
OPT2
OPT3
OPV3
OPV2
OPV1
5V
HV
MICMUTE
AFONOP
BEEPOUT
RXMUTE
DET
AFOUT
REM
OPCS
OPINT
SO
SI
SCK
J2
DE
C
IN
EXTONE
R187
1M
R188
1M
R189
1M
R190
100k
R191
100k
R192
100k
C224
0.001
C225
0.001
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
VDD
OENA
Q5
Q6
Q7
Q8
Q'S
QS
IC11
BU4094BCFV
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
EXST
SO
SCK
T5C
TMUT
R182
47k
D24
MA111
R222
47k
HORNO
AFON
AFHPF
NWC
EXEN
C203
0.01
D26
DAN202U
RMUT
MMUT
R183
100k
R184
100k
D25
MA111
TEMP
R186
100k
R185
NTCCF20124AH
(47k)
C282
10
D30
MA8082
R193
2.2k
R221
22
C204
220
1
2
4
5
3
R194
10k
C205
0.1
Q36
2SD1664
AFO
G
H
R129 560
C206
470
R195
10k
PWON
Q25
DTC114EU
R197
1k
R196
47k
Q26
2SB1124
C207
22
C208
0.001
C210
0.001
C209
22
C212
0.001
C211
22
PI
VGG
VDD
PO
GND GND
IC1
SC-1364(PMR,L-band)
SC-1365(PMR,H-band)
M68702L(LMR,L-band)
C22
22p(L-band)
20p(H-band)
C20
22p(L-band)
20p(H-band)
C275
47p
C274
470p
C273
0.001
C272
0.001
C271
0.001
C297
470
C280
47p
C279
470p
C278
0.001
C277
0.001
C276
6.8
L4
LW-25
R6
22
C16
470p
C17
0.001
R7
33
C18
470p
C19
0.001
Q38
2SD1664
R243
68
R242
470
C5
0.5p
R3
47
FWD
REV
C151
0.001
D2
1SS375
R167
4.7k
R5
1.5k(PMR)
1.8k(LMR)
C7
470p
R2
47
R112
100
C153
0.001
C155
0.001
D1
1SS375
C150
0.001
C152
0.001
C154
470p
R111
100
D3
MI407
C15
0.001
C13
36p(L-band)
33p(H-band)
C11
20P(PMR)
15P(LMR)
C10
15P(PMR)
12P(LMR)
C8
12p(PMR only)
C9
10p(L-band)
9p(H-band)
L3
LA253
L2
LA243
C3
6p
C1
5p
L1
LA253
R1
82k
W1
R119
100k
T4
TMUT
R248
330k
C160
0.001
C159
0.001
R118
15k
-
+
R117
150k
R249
10k
Q19
DTC144EU
C157
0.001
Q23
DTC144EU
C298
R120
R116
4.7k
R115
10k
Q18
2SC4081
R114
680
C156
2.2
R113
3.9k
Q17
2SB1143
C175
0.01
R139
1M
C174
0.01
REF
DTCS
BAL
R137
1M
8
9
10
IC6c
NJM2902V
Q21
DTC144EU
NWC
C173
0.001
C172
200p
R135
27k
R136
68k
C171
0.001
+
-
R211
2.2k
R169
2.2k
5
6
7
IC6b
NJM2902V
R134
4.7k
C170
0.01
C169
0.01
I/O
O/I
O/I
I/O
CONT B
CONT C
VEE
VDD
CONT A
CONT D
I/O
O/I
O/I
I/O
1
2
3
4
5
6
78
9
10
11
12
13
14
MMUT
RMUT
MOD
C168
0.1
R131
68k
R130
10k
C167
0.01
R133
47k
BEEP
-
+
13
12
14
R127
100k
C165
0.01
R126
10k
R128 100k
C164 0.022
R125
10
AFON
AFONOP
R240
6.8k
Q39
DTC144EU
D33
DAN202U
R123
6.8k
C163
1
Q20
DTC363EK
C293
0.1
R124
100k
C162
0.01
R122
75k
C161
0.1
-
+
2
3
1
4
11
IC6a
NJM2902V
C166
2.2
R198
47k
Q27
2SA1588
R199
4.7k
R200
47k
R201
1k
Q28
2SA1588
Q37
DTC144WU
T5C
PWON
R203
4.7k
Q31
DTC144EU
C215
10
654
123
Q30
XP6501
R202
10k
Q29
2SB1201
R204
1k
C216
100
C217
0.01
OI
G
C218
0.01
IC9
S-81250PG-PD
C219
0.001
VIN
R206
100k
R205
300k
C220
470
D27
DSA3A1
C221
0.001
C222
470p
C223
47p
D32
RD20E
I
J5
HV
DIM
HORN
GND
AFO
GND
DET
GND
IN
GND
PTT
R220
100
P1
SP1
to
EXTERNAL
SPEAKER
to FAN
for
OPTIONAL
CABLE
C235
0.001
C234
0.001
C233
0.001
C231
0.001
C226
0.001
C227
0.001
C228
0.001
GND
HV
SP GND
TO SP
AF OUT
SP GND
SP
VCC
GND
W7
Q33
DTC114EU
D28
MA111
C230
0.22
R207
100k
R210
1M
R209
1M
Q34
2SJ144
R208
1M
C229
1
Q32
DTC114EU
DIMIN
HORNO
AFO
DET
EXPTT
IN
ANT
a
b
c
a
c
b
Q22
DTC144EU
R101
390
R90
1.5k
FI1
FL-285
R121
300k
IC6d
NJM2902V
IC4
BU4066BCFV
R168 1M
C288
0.01
to
FRONT UNIT
J2
Q24
DTC144EU
IC10
LA4425A
C232
0.001
J4
J6
J3
R251
PTH9C32
Q40
2SC4081
C301
0.001
R252 15K
5V
CPU5
5V
R5
T5
VCC
5V
e
AFREF
C113
5p
5V
C93
1P
D16
HVU350
DAREF
C4
470P
VHF MAIN UNIT
L5
LA253
1234
M68702H(LMR,H-band)
L6L7
5V
T5
R42
560
5V
R5
T5
R5
T5
5V
AFREF
C295
0.001
CPU5
5V
R5
T5
8V
39
40
12
for
OPTIONAL
UNIT
5V
130
15 16
C191
0.01
e
10nH(LMR,H-band only)
47nH(Others)
18p(LMR,H-band only)
22p(Others)
18p(PMR,L-band only)
12p(H-band)
36p(PMR,L-band only)
27p(H-band)
18p(LMR,L-band)
8p(PMR,L-band)
12p(H-band)
R4
1k(PMR)
100(LMR,H-band)
330(LMR,L-band)
15k(LMR,L-band only)
4.7k(Others)
22(LMR,L-band only)
10(Others)
NOTE: All 7610 Models are LMR (U.S.A.), H-Band (146-174 MHz).