Icom IC-FR3000 Service Manual page 131

IC13
BU4066BCFV
C364
R353 R56
22p
IC1D 1M
4.7k
R3 NJM2902V
390k
R64
C1 R2
2.0V C27 4.7k C28
1
100k 0.1
13 10
MIC
14
12 2.5V
R494 R355
47k C363
R277 4.7k R469
0.001
100
100k
R306
IC1C
E MOD1 22k
R58
R9 C395
C3 R8
NJM2902V 1M
47k 0.1
10
W2 47k
9
8
C26 MICMUTE1
10 W14
R7
1
MICMUTE3
10k R278 C362 R10
2.0V IC1B
4.7k
100k 22p
NJM2902V
R13
C4 R12 47k C25 CP3
E MOD2
4.7 47k W15 1
6
7
5
R307 R14
560
R279 C361 4.7k
100k 0.001
CP4 TELMUTE1
MICMUTE2
R53
C371
R438
22 k
0.1 10
C23 R52
TELAFO 1 82k W16
4
2
1
3 R62 R63
R54 C24
1M 1M
4.7k
1
R280
R332 R331 C283 11
IC1A
100k
6.8k
4.7k 10
R60
NJM2902V
MICE
1M
A5V
R387
C332
10
0.1
IC7A
R506
4 2 NJM2902V
560
DISC OUT 1
3
R382
11
R385
4.7k
10k
C307
22p
IC9C
NJM2902V
R88
100k
R65
C451
2.0V
W18
10 100k
9
8
W19
10
R89 CP1
R323
100k 4.7k
DISC
DISC
TELAFO
TELEPHONE I/F
D28
1SS355
C343
0.01
RL1
C375
J13
1
D4
AC1
R489
L1 D1UBA80
4
1 1k
E
TELG
to FRONT 2 T5
L2
UNIT J8 3
5
R131
AC2
27k
R150
R486 1.2k
680
C441
C106
0.47
D5 0.033
AC1
D1UBA80
E
RL2
AC2
W8
D29
1SS355
C346
0.01
D38
PTZ13B
R143 R145
1.8k
1.8k
C100
R144
C103
10 6.8k
0.001
C111
D1
220
PTZ36B
LOGIC UNIT
Power supply: DC13.6V / Mesurement Frequency: TX 465.500 MHz, RX 465.125 MHz / Internal resister of the volt meter: 50 kΩ/V
IC2C HPF IC2B
MIC MIX PRE-EMP
NJM2902V NJM2902V
C408
C382
47p
IC2D 22p
R28
NJM2902V
680
R57
C7 R29
1M R16 C397 R5 C9 6
CP2 R6 7
0.1
0.1 15k 3.9k 0.1
13 100k 9 180k 5
14
8
12 10
C30 R15 C2
C8 R26
R17
0.0022 R27
0.1 100k R40 15k
4.7k 0.1
R275 4.7k 5.6k
R313
C287 R341
100k
100k
10
R59 3.9k
1M R18
100k R312
R314
6.8k
4.7k
A5V
C31
1
SIGOUT
R55
100k
IC14
C33 TC4S66F
C34
1 R94
3 1
4
1M C87 R116
R19
C398
2 0.1
100k 47k
0.1 25TDTMFO
5 1
R95 C126
C32 C58 C88 R117
1M 10
0.1 0.1 150k
1
MBEEP
R470
100
C129 R179
0.1 150k
CWO
R61
C255 R269
1M
0.1 100k
DTMFO
C424
R436 C440
22p
0.1
10
R330
R91
4.7k
100k
R435
R522
6.8k
5 4.7k
1
4
R329 3
C296 R92
100k
10 A5V
IC6 4.7k
2
DE-EMP C311
C59 R90 NJM2107F
R350
HPF 0.1
100k
1 100
C43
0.0022
R68 R71
C46
560 R347
470 100p
C42 R74
R75 6.8k
R67
2.0V R70 4
C36 0.1 22k 220k
13 6 2 R78 R79
5.6k 14 2.7k
7 1
0.1 68k 68k
12 5 3
C39 C40 IC9B
C37 C38 11 R77
0.1 0.1
R66 0.1 0.1 4.7k C44
R69 R72 NJM2902V
C45
8.2k 33k 39p
22k 560p
R325
R346 100k R348
R345
4.7k
1.2k
3.3k
C294
IC9A
10
NJM2902V
DISC
TELAFO
Q38
XP1214
4 3
2
5 1
R165
120k R166 R411
T6
100k
2.2k
TELAFI
C117
C118 R524
0.1 C116
0.1
C115 C113 560 Q40
330P
220P
0.47
DTC144EE
R164
33k
IC49 R412
R168 R466
R169 47k
470 TLP121 1k
120k
R153
10k
C114
10
DTSEL1
C347
R162
0.1
22k
R151
R493
T7 5 4
47
2.2k
6 3
R488
7 2
R149 C112 R163
2.2k
8 1
1.2k 18 17 16 15 14 13 12 11 10 0.1 1M
W7
IC50
TC4W53FU
R492
C420
DTMFO
1.8k
R487 10
560
R476
C415
1 2 3 4 5 6 7 8 9 6.8k
0.1
R477
3.3k
C442
R473
R154 1
C110 T8 R415 5
100k 1
39 10 560
4
C107 3
IC46
22
BA6566F 2
R474
33k
C443 C412
0.01 0.001
R414
C108 R158
2.2k IC51
0.1 1.5k
NJM2107F
R475 330k
R51
10k
C109 R159 R148
R155
10
10k 1.5k 470k
R160
1.5k
IC48
TLP121
C345
0.001
TELAFO
C383 22p C366
LIMIT S MIX
22p
IC2A IC3A
IC3B
NJM2902V NJM2902V R23 330k R118
100k
NJM2902V
2.0V
C16
C5 R22
R25 C6 R119 68p
1 10k 4
2 4.7k 1 100k
R31 R33
1
6
270 7 100k
3
5
4 R24
R30 R115 82k
C11 2 R276
R315 11 4.7k
2.2k 1
0.1 10k
3 R317
100k C302 R175 100k
100k
C13
10
C10 R32 11 82p
0.1
22k C303 R504
R318
0.1
R342 100k A5V
R316 1.8k C289
R339
3.9k
6.8k
R340 10 10
R496
10
2.2k
4 J14
SQLG
1
SQLVRO
2
CP5
SQLVRI
3
IC3D
CP6
C373
R495
NJM2902V 5
13
0.018 14
100k
9
12 3 J15
8
10 R114 AFVRI
R172 1
C85 C84
R441 R442
39k 100k AFG
1 0.001
R443 33k C372 2
33k
IC52
100k 68p C124 4
TX-SIGNAL FIL
0.1
NJM2520V
IC3C 4 J16
C425
5 4
SPG
NJM2902V 0.1 NC VIN2
2
6 SW1 3 AFMUTE2
AFVRO
V+
1
7 VIN1 2
VOUT
8 NC 1
3
C125 GND
R505
0.1
10
AFVRO
A5V
R349
C310
R141 C99 R139
100 LPF
0.1
10k 0.1 33k
IC10C
IC10B
NJM2902V
NJM2902V
R140 SPG
C50
C47
C49 10k
150p
820p C54
220p R84 R85
4
2 0.1 10k 10k
R80 R83 6 9 C53 R130
R82
1 7 8
68k 68k 2.0V 1 33k
3 68k 5
10
C94
R87 R86 C340 10
C48 11 R81 R327 R305
4.7k 1
4.7k 4.7k 33k
220p 100k
C51 C52
15p 150p R138 C98
R326 C295
IC10A
10k 0.1
6.8k
10 R328
NJM2902V
CP14
4.7k
R137
13 IC10D 10k
14
NJM2902V
12
DTMFO
IC7B
DISC
NJM2902V
C421
22p
TELAFO R390
47k
IC11
AF OUT
TA78L05F 7
L9V
O I
R266 C335
R389
G 1k 4.7 C422
4.7k
C389 C288 22p
0.01 C290 10
R397
10
47k
C337
HOOKC 10
AF OUT1 8
OFFHOOK: ''H''
R396
ONHOOK: ''L''
4.7k IC7C
NJM2902V
C62 C63
IC47 0.0047 0.0039
LC73701M
DTSEL1
R96 R97 R98
TELBMR
120k 470k 470k
R451 C390
100k 0.1
C61 C64
10 GND 9 C60
0.015 0.001
VDD
11 OSCO 8 0.015
BMR
12 7
NC OSCI
13 BUSYOUT 6 TELBUSY
TEST
DTMF RES 5
14
DTMF
15 4 SDTO
MUTE2 DATA
MUTE 16 3
MUTE NC
2 SCK
17
MUTE1 CK
DP 18 1 TELSTB
DP CE
DTMFO
C414
IC45
C271
1
LMC567CM 0.047
C416
C419
0.1
1 8 0.01
OUT FIL OUT
R289 R290 R291
2 7
LOOPFIL GND 47k
R481 68k 68k
3 6
IN CT 68k
4 5
C413 VS RT
C270
0.1
0.022 C272
R479
C417 0.0012
R478 6.8k
0.1
R480
4.7k
10k
ONHOOK
W13
RING
C399
0.1
C418 RING ON TERM: ''L''
TELAFO
0.1 RING OFF TERM: ''H''
ONHOOK SIGNAL ON TERM: ''L'' DISC
ONHOOK SIGNAL OFF TERM: ''H''
TELAFO
A5V
L9V
IC4A IC4C
SPLATTER FILTER
NJM2902V NJM2902V
5.0V
1.9V
C15 C409
C18 C17
680p 0.0022
4 120p
680p
2 6 TXAF
7 9
1
8
3 5 10
C428
0.1
R34 R471 R472 SQLVRO
R35 R36 R37
11
IC4B
100k 100k C301 100k 100k 100k 100k
C411
SQLVRI
10
C12 C14 C20 NJM2902V 100p
560p 330p
220p C429
R338 0.1
10
A5V A5V
SQLVRO
SQLVRI
SQLG
TX-TONE FIL
SQLG
CP1 SQL IC4D
R320
CP2
47k
NJM2902V
2.5V
J1
9
R2
SQLI C90
R127
7
R121 R122 0.1 R124 13
SQLO 5.6k
CP3 14 I TONE
6 47k
150k 39k
SQLG 12
5
AFVRI
4 R123
AFG R521 C92
3 C89
47k 47k
AFG 0.0033
R1 0.018
2 CP4 C91
AFVRO CP5
1 820p Q1 XP1214
C93
CP6 VR
8 0.47 4 3
VOL
UNIT 2
5 1
IC16
MUTE: 0.0V
TC4W53FU UN MUTE: 5.0V
5.0V C/DSW
C407 IC17
0.1
IC26B
LA4425A
NJM2904V
C384
R171 VOL Min: 13.2V
R128 8 7 6 5 C323
0.1
100k VOL Max: 12.5V
100k 1 5
R523 7
R457
10 6
560 R129
R367
1 2 3 4 10 VCC2 CP9
4.7k
R170
C96 R368
C95
C123
100k 0.1 47k
0.1 5 470 C432
1
4
SP 22p
SPG
2
C97
3 13.6V
470
SPG
CP15
CP18
CP16
CP17
R386 R356
4.7k 6.8k
A5V
C330
CP10
10
C396 Q37
R391
47k 1 CP11
6 DTC144EE
5 TELMUTE2
C423
R392
22p
100k
CP12
R398 C341 C342
R405
CP13 R404
47k 0.1 C339
1 100k R408
9 13 47k
0.1
10k TELAFI
14
10 12
R409
R403
R399
R407 IC7D
4.7k 10k
100k
100k
NJM2902V
R352
100
IC8C
C449 C313 IC8D
1 0.1
NJM2902V
NJM2902V
C70
0.0015
C71 R104
C67
C66 390k
330p 0.033
C308 R103
0.012
4 1
2 6 9 100k 13
R99 R100
1 7 8
14
470k 470k
3 5 10 12
11 IC8A R101 R102
R105
IC8B
470k 470k R321
NJM2902V 4.7k
100k
C68 NJM2902V C72
56p
220p
R322
6.8k
C292
10
R334
4.7k
A5V
R351
C312
100 IC12C TELAFI
0.1
NJM2902V
C448 R520
R519
C447
2.2
R294 C276 33k 150k
1
82k
0.0012
R293 R295 2.0V
4
82k 56k
2 13
9
R297
1 8 14
33k
3 12
C282 10
1
R292 C274 C275 R300
11
4.7k 4.7k
0.033 0.033
IC12D
R336
R335
C277
100k
NJM2902V
4.7k 0.01
C273
0.0015
R337
IC12A
C297
6.8k
10
NJM2902V
C56 R177 C128 R526
0.1 47k 0.01 100k 5 4 1
6 3 2 INPUT
NC
7 2 3
C127
4 PD
8 1
0.022
5 OSCO
OSCI
6
7 NC
IC30 R464 C388 VSS LOADB
X1
100 0.1
CR-733
TC4W53FU
4.194304 MHz
11 - 4
R453 10
C380
R497 2.5V
0.1
4.7k
C427
R500 R501 220p
R503
R498 C426 100k 47k 100k
4.7k 10
IC20
TC4W53FU
8 7 6 5 8 7 6 5
IC21
TC4W53FU
C430
0.1
1 2 3 4 1 2 3 4
IC25
C431 CP7
M62364FP
0.1
R452 1 24
SQL
VIN1 VIN8
4.7 2 23
VOUT1 VOUT8
3 22
C322 VOUT2 VOUT7
4 21
0.1
VIN2 VIN7
5 20
VDD GND
DA2STB 19
6
LD RESET A5V
SCK 7 18
CLK VDAREF
SDTO 8 17
DI DO
AFATTI 9 16
VIN3 VIN6
AFATTO 10 15 TUNE
VOUT3 VOUT6
11 14
RVCON
VOUT4 VOUT5
12 13
VIN4 VIN5
A5V
C326
R376 R358 R370
0.1
6.8k 2.2k 2.2k
R369
IC26A R372
100k R50
10
8 3
47k NJM2904V
1
C329 2 R375
C325
R373
10 100k
4 10
4.7k
R48 CP8
E DTCS
R371
47k
R359
47k C328 10
560
E MOD3
VCC2
GND2
DISC
AUDO
A5V
AUDI
IC28
D33
NJM2107F
MA2S111
R282
330k
D27
5
MA2S111
1
R281
4
100k
3
2
R283
10k
C261 C260
R284
C386
C74 1.5 1 150k
4.7
4.7
IC29
C316 C266
1 1
FX805LG
21 20 19 18 17 16
R285
150k
22 15
RXAMP O
NOTONE
23 14
WAKE RXAMP I+
24 13
RXAMP I
VDD
1 12
R463
5.0V C265 XTAL VSS
47 2 11
10 R304
XTAL/CLK AUD O
C264 1M
3 10
ADDR SELECT AUD I
0.001
C452
X3
4 5 6 7 8 9 1
CR-505
4 MHz
C263
33p
C262
4.1V
33p
DTCSI 12.4ms DTCSI
IC12B
NJM2902V
C76 R108 R107
2.0V
0.1 180k
1M
DTSEL2
W20
R112
6
R109 R106 1k 25TI
IC31 7
220k
DISC 100k 5
14
LC7387M
VDD 13
C80
NC
12
0.047
C77
EST 11 DTSTD
C78
820p
STD 10 DTACK 150p
ACK 9
DTMFD
SD 8
R113
100k
C83
0.1
L9V
DISC
A
A5V
B
C
D
VCC2
GND2
SP, SPG
E
C/DSW
F
G
H
I
L9V