EFJohnson 764X - Manual (Page 92)

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
C29 R12
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
I O
R105 15k R106 15k
FI3
SFPC450G
C149
0.1 R104
10
O I
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
8 9
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
D E
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
6 5 4
1 2 3
Q30
XP6501
R202 10k
Q29
2SB1201
R204
1k
C216 100 C217 0.01
O I
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
1 2 3 4
M68702H(LMR,H-band)
L6 L7
5V
T5
R42
560
5V
R5
T5
R5
T5
5V
AFREF
C295
0.001
CPU5
5V
R5
T5
8V
39 40
1 2
for
OPTIONAL
UNIT
5V
1 30
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).