Icom IC-F2610 Service Manual page 36

+5V
PSET
+18V
T8V
Q55
2SC4081
R131 C267 10 R:7.22 V
20 T:0 V
C322 R:2.83 V 6.80 V
R125 L18 C270 470p
47p T:0 V L21 R366
C152
L33 680 3.3
470p 1 F 100
82n 2.97 V
V
C339
6.84 V C294 L17
R132 R126 C148
C43 R616 C45
C151 6.8k 0.001 56n
0k Q19 0.001 680 1
0.001 0.001
10p R31
2SC5110 R27
6.27 V C585 4.7k
3.3k
47p L505
Q18 C42
56n
2SC5110 33p
Q3
L51 C149 D18 C47
586 L26
18p MA77 2SC5110
47n 9p
8k 1.87 V 0.56
R28 C582 C583
R587
6.8k R:4.40 V 2.2k R25 C44 5p 5p
C312
T:0 V 270 0.001
18p
R127 R:0 V R:2.30 V
133 C153 C310
T:0 V
2.47 V 470 T:7.81 V
70 0.001 18p
T8V
R113 R109
C456 R114 C135
C150 R128 C323 R119 C140 2.2k
22 22
47p 0.001 470p
10p 10 0.001 4.7k C469
R:0.95 V
T:4.83 V 220p
L28
C145 C139 L27
L32 33n R110
R615
470p 0.001 22n 560
R129 82n
6.76 V L29 470
C282
8.2k 3.3 C137 L65
R120 C132 3p
220p 0.001 15n
8.2k R115
R122 C297 3.9k
18 0.001 C584 4p C424
C138
C146
7p
6p 4p
Q20 R:0 V
L31 D17 C141 Q17
R370
2SC5110 R:0 V Q16 T:7.82 V
8.2k 47n MA77 4p 2SC5110
C144 T:2.38 V 2SC5110
27p R124 R312 R617 R121
C143
270 4.7k 100 5.6k R:0 V
C147 27p
3.17 V T:1.66 V
0.001 R117 R116
C134
1.8k 150
0.001
R130 R123 R118 C142
R:0 V
R:0 V 0.001
470 270 470
2.57 V T:4.40 V T:2.68 V
VRX OPS1
VTX R:0 V OPS2
T:1.90 V
R559
100k
COM BUS
R560
1k
ACC I/O BUS
DTMF BUS
C549
0.01
D510
AF BUS
DA204U
BOOT
R594 L5V
4.7k CPU5V
R538
1k
R553 100k
EPTT
DIM
SP
R554
C544
PASP 100k
R273 0.1
1k
PWON +5
XRXD RXD
XCTS CTS
VRX FVPX
VCC
R272
1k
C529 C531 C533 C528
47p 47p
47p 47p
FVPP
Q513
DTA144EU
R275 BOOT
75 1k VTX
P14/A4
74
PLLT
P15/A5
73 Q511
UNLK
P16/A6 DTA144EU
72 MD1
PCK
P17/A7
VSS 71
VSS 70 R276
69 1k PDA
PB4/XDB4
68
PSTB
PB5/XDB5
67
DCK
P20/A8
66 Q44
DDA
P21/A9
65 2SK1069
P22/A10 17.45 V
64
R277
P23/A11
63
1k DSTB
P24/A12
62
TMUT
P25/A13
61
PA
P26/A14
60 R263
HFSW
P27/A15
59 10k
R570
VCC 16.55 V
58 1k
PB6/XDB6 W507
57
NWC
PB7/XDB7
56
AMUT
P47/PW1
55
MCON
P46/PW0
54
MODS
P45/TMRI1/HIRQ1 C263
53
P44/TMO1/HIRQ1 1
52
C262
P43/TMCI/HIRQ11
51 BEEP
1
P42/TMRI0
C261 0.001
C543 10
C525 C542 10
0.1
R577
1k
ESO 5.04 V IC501
LC7366NM
ESI
ECK
L5V
ECS1 1 TONE 20
VDD
ECS2 2 CD 19
XMIT
3 NC 18
NC
R558
DTC1 4 R1 17
R571 C1
1M
1k DTC2 5 R2 16
C2
DTC3 6
C553 C3 R3
7
20p VSS R4
R305 R306 8 NC 13
R278 NC
100k 100k 100k 9 MUTE 12
W505 OSC1
C522 10 C4 11
OSC0
0.001
R529
C521 R142
Q504 L59 X502
390K 10
33k 1
2SK1069 PBRC3.58A
R555 C554
R528 20p
300k
C578
1M
C352 47p
R143
0.001
2 C551 10k
R556
1 R519 100k 0.001
1k
C550
0.001
D
7.90 V
L30
0.56
IC11 L7
R371 LA-502
SC-1323
C342
4.7k
47p
7.50 V
EP3
C16
C15
R:0 V
4p 3p
T:7.80 V
MT8V
Q11
2SJ377
C136 C410
470p 22
C118
R108 L20 C112
0.001 R102
4.7 9 H 1
C122 C400 4.7k C396
0.001 47p 47p
R:0 V C281 R:0.58 V
T:1.40 V 10 C449 T:3.77 V
D16
47p
C285 DA221
47p L25
R101
R97
22n C130 C286
R103 1.2M
10k
0.001 220P 4.7k 6
7
C121 C376 C377 C378 C379 R99
C129 L24 5
L23 470p
7p 0.001 0.001 47p 470p 4.7k
47n IC10b
47n
R:12.41 V NJM2904
C131
R:0 V
T:8.58 V
0.001 C128 C127 C126 R100
T:1.36 V
5p 27p 5p R:1.05 V 10k
FI5
T:3.76 V
Q15
C380 C381 C382 C383 C108
2SC4703 47p 0.001
0.001 470p 0.001
C425
7p
R386 R111
C133 C278
FI6
22 22 0.001
0.001
R:13.20 V
T:12.37 V Q12
C123 C124 C125 C384
R:0 V
22 2SJ377
47p 47p 47p
T:0.82 V VCC
R333
R545
10k
100k
C385 C386 C387 C388 R107
470
R546 470p 0.001 47p 470p 0.63 V
1k
C393 C394
C395
C545
47p 470p 0.001
0.01
C389 C390 C391 C392
D508
0.001 470p 47p 470p
DA204U
Q14
DTC144EU
IC17 IC16
AN78L05M
TA7808F
5.02 V L53
C264
SLF7032-101MR45-2
CPU5V 0.1
O I I
5.04 V
R584 100k G G
C206
C532 47p C266
220
0.1
C534
47p C267
C205
J501 10
12.57 V 0.1
TXD Q43 Q42
1 2 Q36
RTS 2SC4081 2SB1123
3 4 2SD1664
RES L504
5 6
GND R585 3.3 D27
7 8 5.05 V R209 R208
D30
GND 100k DA204U
9 10 4.7k 4.7k
1SS355 +5V
to Optional 4.53V
cable C530
R259 R:8.71 V
C252
47p 4.7k C253
T:0.10 V
0.001
10
C208
Q509
Q37
1
DTC144EU 2SC4116 R564
47k
5.06 V
IC506
S-81250PG
R542
C537 C536
10k
0.1 Q40
0.1
D506 2SD1664
O I
R540
DAN202U
5.9k G
R212 D29
R213 DA204U
4.7k
R549
4.7k
47k
C535
R550 R:0 V
C538
47k 0.1
R548 Q512 0.1 T:8.66 V
R547
R541
47k 2SC4081
1k Q508 C211
Q41
0 V
16.54 V 12.02 V 2.26 V 2SK1829 8.25k 1
+18V 2SC4116
R566
R:0.64 V 47k
D31 1SS355
T:0.47 V
L45 R260
D32 Q38
IC18 C257 4.7 100
MA742 2SD1664
TC7W04FU 1
1 8 R211 R210
7.54 V
C259 4.7k
2 7 4.7k
0.68
3 6
C258
4 5
1 R:0 V
D28
C254
T:8.67 V
R261 C255 10 DA204U
D33 470k C210
R262 47k 1
MA8160
1
C260 C256
0.1
100p
R267 100k
Q39 Q514
Q47 DTC114YU
DTA144EU
DTC144EU
DIM
Q45
DTC144EU
HORN
R526
100k
R398 100k
DTR1
R527
DTR2
R525
100k
15 DTR3 4.97 V D51
C518 100
IC504 1SS355
14 DTR4 R524
2.50 V 10
TC4W53FU
100k Q506
4.99 V
1 8 2SK1069
R373 10k
DTC4 2 7
C519 C421
5.10 V
3 6
10 10
C360
4 5
1
C368
15 C359
R552 0.67 V 0.001
C520
C361
1k
0.1 0.001
R402 R397
1k
100k
L5V
VCC
+8V
DISC
DMOD
AMOD
PAAF
MEASUREMENT CONDITIONS
1/2VDD
OSCILLOSCOPE:20MHz
VOLTMETER
+5
OPT AF BUS
AF BUS
VCC
R595 C93
+5V 10k 220
PSET
+18V C371
IC8
T8V 0.001
6.10 V LA4425A
5
1
C94 470
+8V
4
SP
2
R330
3
10k
SPE
0.001
R339
C318
PAMIC 0.01 27k
R349
L22 9 H C330
AFO 0.1 10k
R98 100
R:13.13 V
R81
C86
T:12.27 V 10k
BEEP 0.1
C397 C398 C107
0.001
470p 1.5
C413
IC10a 0.0047
NJM2904
8
PAAF
3
R96 10k
1
R363
2
PASP
10k
C106
0.001 4
C120
SQL OPEN 0 V
R:0 V 0.001 SQL CLOSE 4.61 V
T:1.77 V
(SP MODE)
R361
4.7k
a
R329 R362
1/2VDD
1k 10k
D45
PDET
1SS355
FI5,FI6
NFM60R20T152
R:13.21 V
T:12.48 V
R8
HV
C117 C116 C115 D15
0.01 470p 470 DSA3A1
PWON
D509
DAN202U
7.93V
+8V
O
C203
0.1 W:3.00 V
N : 0 V
C204 R502
1 15k
R:8.06 V
T:0 V
R8V W:4.66 V
N: 0 V
C207
NWC
10
VRX
R563
R567
47k
4.7k RSSI
R:0.47 V
T:0.63 V
NOISE
T8V T8V
VRX
C406 R:0 V
C407
470p 470p T:8.06 V
VTX
R565
R568
47k
4.7k
R:0 V
T:8.05 V
MT8V
C209 C402 C403 C404 C405
470p 47p
4.7 470p 0.001
L507
LQP21A
D514
R:7.94 V
HVU350
TMUT
T: 0 V
R406 0 V
R614
33k
R403 0 V
150k
4.7
Q2 C35
C306
3SK166 3p
1p
R:5.01 V
T:0 V C37
5p
R19
R21 C39 100k C36
56 0.001 6p
C337
VCC 47p
DIM
L13
C577
HORN R:1.20 V D11
MC152
T: 0 V 2p
GND 1SV217
PAAF R18
C40
GND 220k
8p
DISC 1LO
GND
C358 0.1
IN
GND L16
C329
PTT 0.15
0.001
R372
1k
C357
0.001
TUNE
PAOUT
T8V
PDET
HV
:1‰/V
SQL OPEN 4.81 V
SQL CLOSE 0.12 V
R85
SQL OPEN 0.87 V
47 SQL OPEN 0 ,V
R338 C83
SQL CLOSE 4.56 V 3.96 V R69 R68 C73
SQL CLOSE 4.21 V
56k 0.1
47k 22k 0.1
R93 R90
4.07 V
2.7k 100k Q515
D50 7.35 V
IC7
C98 DTA144EU
1.27 V 1SS355
2.2 M5282FP
R357 C90 C74
Q7
C92 1 VCC 10
4.13 V 470k 10 0.1
DTC363EK VCC2
0.1 2 9
IN+ VCAOUT
3 CTL 8 Q6
R569
IN-
4 VCAIN 7 DTC114EU
1k
OUT
5 NC 6
R92
GND
R77
R86 82k
10k C91 33k
C97
0.001
C369 0.0047 C100
R71
390p
C316 0.1 10k
C333 R70 C75
C332
2.2
R80 C84 1
4.37 V 2.2 470k
22k 2.2
R512
R511
IC9b 2.47 V 180k 3.9k
1.71 V
TA75W558FU
5 C508
10
7
2.52 V C95 R87
6
0.50 V
0.1 10k
C326 1 6
R320
470p
100k
1.10 V
2 5
R94
C101 R89 R88
10k 0.01 10k
22k
Q8 3 4
DTC114EU
R360 C334 Q503
R95 R359
100k 10k 2.2 XP4601
10k
2.51 V
R513 3.32 V
R514
56k 1k
VLO
MIN: 0.40 V
MAX:2.75 V
C273 C274 C275 C276
0.001 0.1 470p 47p
R8
L56 1 L60 1
L50
R:7.34 V
C343 0.56
T: 0 V
0.001
W:6.96 V
W:2.48 V W: 6.20 V N:7.08 V
N :2.19 V N : 6.32 V R33
R41
1.5k D511
C54
FI4 100 L19
1SS375
47p
SFPC455E 1.2
C50
2 1
0.001 X1
W:0 V W:0 V CR-473
Q4
N :2.71 V N :2.71 V
C55 2SK302
3
W:2.60 V C51 68p 1.74 V 0.001
D502 D501 IC1
FI3 N:2.14 V
DAN202U DAN202U MC3372SVM
SFPC455H
C52
1 2 1 MIXER 16
CRYSTAL
R34 4.7k 120p
2 GND 15
CRYSTAL R588
3 MUTE 14
MIXER 820
3 4 METER 13
VCC
R543
5 12 R37
LIMIT SQUELCH
680 470k
R38 6 FILTER 11
DECOUP
C502
1.8k C58 7 FILTER 10
0.1 C57 LIMIT
R505 0.1 8 9
R504 R506 0.1 QUAD AUDIO
12k
12k 15k
R39
Q510
C49 C423 0.001
R503 R501 47k
DTC144EU
0.01
12k 10k
X2 R409
CDBC455CX16 C59
1.5k
W:0 V R47 2.7k
68p
N:4.41 V
R35
W:7.12 V 82k
C48 R407
R46
N :7.24 V
2.2 47k Q61
Q502 TN20-3K202L
C503 R40
2SC4116
DTA144EU 1k R408 W:2.97 V
0.01
W:6.17 V 47k C56 C66 N :3.30 V
Q501 W:0 V C504 0.001
W: 3.13 V N :6.29 V 0.001
DTC144EU N :7.18 V 0.01 N : 0 V
R36 1k
W: 0.62 V 1.07 V(+15dB INPUT:3.36 V)
N : 0 V
R8V
R :0 V
L54
T : 0.73 V
0.56 L4
D52 L5
656LZ-09K 656LZ-09K
1SS352
C408
C341
470p
C575 0.001
L10 D5
0.001
0.56 MI809
C18 C17
C27
6p 15p D6 22p
L11 L3
C327 MI809
MC152 C26 LA-503
R328 0.001
470p
470
C581 R:7.74 V
3.5p T: 0 V R13
R356 100k R: 2.56 V
T : 0 V
C34 C305 C31 27
C23 C20
2p 1p 2p 2p 3p
Q1
3SK166 C11 C9
C573
C30
47p 1.5p
47p
5p C22
R15 0V C21
C32 C28
5p 0.5p
150 C10
C33 6p 0.001
R12
2p
6p L8
22k C576 D4
MC152 UM9401F
2p
L12
D9 C29 R14
D10 D7
MC152 1SV217 1SV217 470p 47k
1SV217
R16
R17 R10
R:1.96 V
220k 220k
220k T: 0 V
L6
LW-25
R608 C430 C429
47k 470p 47p
C565 C328 C325 C331
C14
0.001 0.001 0.001 0.001
4.7
R:3.05 V C478
47p
T: 2.94 V
C25
L9
5p
R : 0 V
R609 MC152-E558ANA
T :1.59 V
47k
R11
150k C24
W509
0.3p
C452 C451
C428 47p 0.001
D8
470p
HVU350
+5
4.76 V
R61 100
C70 R52 C67 C69
C72
R62 1.5k 0.047 0.047 0.047
2.2 2.2k
2.51 V C68
2.53 V
2.53 V 0.047
8 C71
3 0.047 5
R49
1 7
1
2 6
R51
R65 R63 IC3b 4.12k
4 91k
47k
IC3a
R53
2.52 V
TA75W558FU C314
36k
100
R67
10k R327 Q5
100k 2SC4116
2.55 V
0 V
R510
1k C61 R42
3.10 V R618
2.47 V
2.2 100
100
R515
39k C60
8
1
3
C509 AFO
1
R509 0.1
2
10k
R508
4
10k R313
270k
R45 82k
C506 IC2a
C510
R44
0.1 0.01 TA75W01FU C315 120p
22k
C507
2.66 V
0.022
2.53 V
2.53 V
1/2 VDD
C295 L14
0.001
1 H
L15 C277
R30 L55 C319
47p
180 1 4.7
0.001
C296
C53 10p
R598
0.001 R385
10k
820
D512
0 V
R599
MA77
FI1a FI1b 4.7k
L506
FL-264 FL-264
3.9 H C568
0.001
C19 R601 R600
1p
10 10
C571
2p
R602
8.00 V
100
Q518
C41 C570
0 V DTCH4EU
15p 4p D513
0.64 V
MA77
C63
C62
150p 150p
R603
47k
W:4.14 V C64 W:7.09 V
N :4.22 V 0.001 N : 0 V
Q62 C572 C569
47p 0.001
C65 DTC144EU
0.001
R410
R48
2.2k C567 R597
820
0.001 4.7k
NWC R606
2.2M
Q517
C562
DTC144EU
0.1
NOISE 5
7
6
W508
IC28
R611 R607
4.7k 470k
R610
180k
C574
0.1
CHASSIS
R604 R605 J1
3.9k 2.2k
R1
C12
47
3p
W6
L1
L2
LA-502 LA-502
FOR
REV
C3 C2
C415 R415
3p 3p
C8 C4
15p 100k
3p C7 470p
C324
R4
470p
27p
47
R5 W4
R2
1
1 OPC-453
D3 D1
1SS375 1SS375
R7
220
R315 R314
100 100
R8
220
C5
C13 0.001
C6
470p
0.001
R :4.30 V
T :15.49 V
J4
VCC
C417 C441 C309 C300 C409 C416
47p 470p 0.001 0.001 47p 470p DIM
HORN
GND
PAAF
GND to optional cable
DISC OPC-617
GND
IN
GND
PTT
COMPLETE VIEW