Icom IC-F2610 Service Manual page 35

11-2 MAIN UNIT
J2
[EXT SP]
SPE
SP
AFO
PAMIC
1/2VDD
PAAF
R319
R239
100 C307
10k 0.1
2.53 V
R382
IC9a
1k
TA75W558FU
8
3
1 W3
2
4
C230
2.2
R238 2.53 V
C231
10k
0.001
CENC
NOIS
4.96 V
R228
C299
100 0.1
C226
1
C224 0.047
R232
2.45 V
100k
R230
8
100k
3
1
R231
2
100k
C225
390p
4
2.53 V
C228 IC21a
0.0068
TA75W01FU
NWC
R190
BEEPOUT 22k C514
0.1
R197 R193
C202
BEEP 33k
22k
0.0022
2.31 V
R191 R192 R194
C201
470 22k 1k 0.1
5.04 V
R195 Q35
C200
240k 2SC4081
2.2 C247
0.1
DTMF
R196
R258
27k C516
12k
10
0.64 V
C524
0.0033
R619 R317
100 33k R248 150k
MICOUT
MICIN
C246 IC22
0.018
UPC5023GR
MIC R247
150k 16
IN1-
R249
15
47k OUT1
14
IN2-
13
0.97 V OUT2A
12
R250 82k OUT2B
R251 11
REF
560 10
4.61 V GND
9
VCC
R297
C243
100
2.2
C244 C245
0.047 2.2
C242
0.001
SIGOUT
J5
VCC
VCC
SP
L48 0.56
SPE
+8V
L502 0.10
FTXD
to FRONT
C289
FRXD
unit J2 L62 0.10
0.001
POSW
C356
MICE
47p
L47 0.56
MIC
GND
L63 1
AFO
R296
C355 100k
0.001
R309
1k
C290 C526 R291 R292
C291
0.001 47p 100k 100k
0.001
R324 R322 R216
1M 1M 100k
R323 R215 R217 C293
1M 100k 100k 0.001
J6
15
OPV1 OPV1 16
14
OPV2 OPV2 17
OPV3 OPV3 13 18
GND 12 19
OPT3 OPT3 11 20
OPT2 OPT2 10 21
OPT1 OPT1 9 22
SIG OUT 8 23
MDWN 7 24
BUSY BUSY 6 25
AUX AUX 5 26
MIC IN 4 27
MIC OUT 3 28
PTTI PTT OUT 2 29
PTTO PTT IN 1 30
C486 C487
47p 47p
to optional unit
R591
C560
1k
2.2
R590
C558
240k
0.1
R589
27k
0.64 V
COMPLETE VIEW
11 - 2
R162
10
L57
C354
C344
1
0.001 0.001
C184
0.001
L44
5.03 V R298 R348
R304 0.56
100 3.9k
100k R303
C87 C557
IC5 100k Q56
2.2 47 R173 R387
M62363FP R172 DTA144EU
R388
10k 1.2k 10k
1 24
VIN1 VIN8
2 23
R421 1 VOUT1 VOUT8
3 22 NTCCF20123FH
VOUT2 VOUT7
4 21 2.45 V R156
VIN2 VIN7
1M
5 20
VDD GND 0 V
DSTB 6 19 Q33 Q32
LD RESET R171 1k
DCK 7 18 2SA1576 2SC4081
CLK VDAREF 16.94 V
DDA 8 17
DI DO
9 16 Q31 Q30
VIN3 VIN6
10 15 FMW2 FMS2A
VOUT3 VOUT6
C176
11 14 5 1 2 3
VOUT4 VOUT5
R420 33p
12 13
VIN4 VIN5 R336
15k
4.7k 4 4 R157
R301 5
1M
100k
3 2 1
C412
R335
C85 0.001
4.7k
0.1
R:5.59 V
T:5.38 V
17.41 V
C103 R188 R184
C237
0.01 15k 100
10 C422 0.022
R185 R153
R155
SQL MIN 4.95 V
18k 1k
C235 R189 R186 3.3k
47k
10 820
Q64 R154 680
R412 C104
DTC144EU IC13
R187
680 2.2
47k TC4W66FU R337
1 8 1k
R242
2 7
3.3k
R243 C102 D38
3 6
1.5k 1SS355
0.01
4 5
Q9
Q10
2SC4081 2SC4081
C105 R310
C179
470p 1M
C302 0.22
SQL MIN 0.60 V C181
0.1
IC502 1
TC7S66FU
W:4.66 V
R521 W:0 V R520 N:0 V
5 4 180k
N:4.21 V 10k
1 2
R593
Q505
18k
3 DTC144EU R375
4.7k
R400
R522
240k
220k
R376
R302
5 20k
1 12k
4
C546
3 680p
C515
2 R377
0.1 R401 C229 C556
R596
IC503 10k
180k 0.1 56k 1
C234 TA75S01F
0.1
R551
R523 C517
47k
R342 68k 0.1
C364
68k
10
R240
C233
1.85 V
68k
0.1
TONE1 1
TONE2 2 R544
C238
3 100k
TONEOUT 100p
IN5- 4
R224 C197
IN3+ 5
10k 10
OUT3 6
IN4+ 7
OUT4 8 C426 R222
30p 100k
R244 R246
47k
R392 47k 47k R418
47k
R245
C239
47k
0.01
C240
0.0022 Q65
2SK1829
C555
MIC IN
0.001
1/2 VDD
+5
PAAF
2.08 V R255
VCC
10k
+8V R389
IC21b
MCON 47k
TA75W01FU
5.03 V
2.08 V
5
C251 C320
IC25
R295 7
0.1 0.047
TC4W66FU
100 6
1 8 C250
R257 0.1 C512
2 7 PA
22k 0.01
3 6
4 5 C321
47p
R294 R341
100k 10k
R256
C288
390k
0.001
R293
7.93 V
100k
+8V
FTXD
FRXD
C527 0.1
IC505
BU4066BCFV
R532
1 14 100k
I/O VDD
2 13
O/I CONT.A
3 12
R404 R405 R308 O/I CONT.D
4 11
R531
4.98 V I/O I/O
100k 100k 100k 1k 5 10
CONT.B O/I
6 9
CONT.C O/I
7 8
R307 VEE I/O
100k
SCK CCK
SI CSI D505
R534
SO CSO DA204U
4.98 V
1M
CIRQ CIRQ
CCS CCS
REM
AF OUT AFOUT
DISC DISC
RMUT R285
R284
BEEP OUT 100k 100k
PTT
AFON 1 VCC 8
CS
MMUT 2 HOLD 7
SO
VCC 3 SCK 6 ECK
WP
+5V 4 SI 5 ESO
VSS
GND C292
0.001
IC27
C272
X25650S8I-2.5 0.1
VCC
+8V
R592
DISC
470
DMOD
AMOD
C559 PAAF
0.1 1/2VDD
BEEPOUT
2.31 V
Q516
2SC4081R
DATA BUS
+5V
PSET
+18V
C563
C362 R148 47
R374 PLLIN
0.001
0.1
33k
LOCK 4.97 V
UNLK
UNLOCK0.30 V
R135
IC12 MC145190F
C301 0.001 R160 1k 5.6k
1 20 PDA
REF_O REF_I R:3.27 V
2 19
LD DATA_I R159 1k T:3.40 V
3 18 PCK
R CLK
C414 4 17
V ENABLE L40 D19 C168
R158 1k
5 16 PSTB
VPD OP_A 0.68 1SV217 5p
6 15
PD_O OP_B
0.001 7 14 PLLT
GND VDD
8 13
RX TEST2 D20
9 12 R146 L39 L38
TEST1 VCC 1SV217
10 11 47 3.3 MC152
FIN FIN
R316
47k
4.97 V Q25 Q26
C169
DTC144EU DTA114EU R:5.61 V
0.001
T:5.43 V
C351 C303 C187
0.001 470p 10 R147
R139
470
5.6k
D21 C170
L42
6p
3.3 1SV217
C183 C182
4.7
0.001 D22
Q29 L41
1SV217
2SK1069 1.2
R:0.74 V
T:0.72 V
R149
220k
R226 C218 C374
R151
82k 4.7 4.7 L58 1
10k R150 C174
330k
0.5p
C284 D46
R152
C283 C177 C353 C348 100p 1SV214 L43
100k
R419 R613 C178 R300
47p 470p 0.001 0.001 MC152
10k 1M 470p
560k
4.94 V
R163
100
+5V
R169
1k C564
0.001
1 2
VCC OUT
4 GND 3
VCON
C191
0.001
X501 R170
CR-573 8.2k L46
0.56
C340
0.001 R583
C185 C186
1k
2.2 0.001
C214 10
4.98 V
C212 0.001
C539 0.68
D507 C540 0.1
HSU88
5.06 V
C541 0.1
4.95 V
4.95 V
Q48
2SC4116 R270 IC19
R271 C269 10k S-80742SL
0.22
220k
1 NC 5
OUT
2
R561 VDD
3 NC 4 1
1k VSS RES
R562 R269 2
XTAL
220k
470k 3
EXTAL
4
R325 VCCB
D36 R268 C268
5
1SS355 MD1
100k 0.1 100k
D503 XTAL 6
MD0
MA77 R516 12k SIFT R580 7
NMI
CPU5 1k 8
FVPP/STBY
R574
EXTAL 9
1k VCC
AUX 10
KEYIN15/PA7
C511
R517 11
0.01 KEYIN14/PA6
12k FRNT 12
X4
SCK0/P52
CR-567 W506 13
RXD
C513 RXD0/P51
9.8304 MHz TXD 14
33p
TXD0/P50
15
R575
VSS
1k 16
CCK
SDA/WAIT/P97
R518 C217 17
C216 CSI
P96
12k 7p 22p 18
CSO
AS/P95
CCS 19
f=9.83 MHz
WR/P94
20
5.0Vp-p
KEYIN13/PA5
21
2.50 V KEYIN12/PA4
22
PTTO
RD/P93
PTTI 23
D37
IRQ0/P92
1SS355 f=9.83 MHz AFON 24
5.0Vp-p EIOW/IRQ1/P91
CIRQ 25
ECS2/IRQ2/P90
R530 L5V
R576
3.3k
Q50
R533 C363 R326 1k
100k DTA114EU 0.1 100k
R281
7.95 V
100k
0 V 1 8 R579
1k
2 7 BUSY
RXD
3 6 TXD
R578
5
Q51 4
1k
DTC114EU
R283 IC26
100k
TC7W04FU OPT3
AFV OPT2
FRNT OPT1
Q507 MMUT
R321
DTC144EU
4.96 V 100k
CPU5 NOIS
L5V OPV3
OPV2
ESI
ESI OPV1
ECS1 ECS2
J7
CPU5V GND AFV
1 2
ECS2 ESO
3 4
ESI ECK RXD
5 6
to optional RMUT
UNIT
CPU5
L5V
EEPROM BUS
AF BUS
+5V
PSET
+18V
T8V
C279
C155
0.001 47p
R134 R131
10k 220 C322
R:2.83 V
C154 R125 L18
47p T:0 V
10 C152
L33 680 3.3
Q21 470p
82n 2.97 V
2SC4226 2.61 V
C167 6.84 V C294
R136 R132 R126 C148
0.001
6p C156 10k C151 6.8k 0.001
4.7 C157 Q19
10p R31
0.001 47p 2SC5110
6.27 V C585 4.7k
C165
47p
Q18
5p
2SC5110
Q27
C149 D18
C158 L51
L35 DTA144EU R586
18p MA77
3.3 0.5p 1.87 V 47n
6.8k
R587
C166
6.8k R:4.40 V
R137
6p C579 C312
T:0 V
1k
R:2.85 V 47p 18p
C159 R:0 V
T:2.91 V
0.001 T:2.91 V R127 C310
Q22 R133 C153
2.47 V
470 18p
R138 DTC114YU 470 0.001
6.76 V
10k
C456
C150 R128 C323 R119
R:3.38 V
C160 C280 47p
R:0.95 V 10p 10 0.001 4.7k
T:3.23 V 0.001 10
T:4.83 V
Q23
C162
2SC5110
C145 C139
0.001 L32
C173
R140 470p 0.001
R129 82n 6.76 V L29
47p
4.7
C161 8.2k 3.3
47p
C171 R122 C297
18 0.001
8p
C146
6p
Q20
C163 R370 L31 D17
L37
2SC5110 47n
0.5p 8.2k MA77
3.3
C144
27p R124 R312 R617
C172
C143 4.7k
7p 270 100
R141 C147
Q28 27p
820 3.17 V
0.001
DTA144EU
R:2.90 V
C560
T:2.85 V C164 Q24 2.2 R130 R123
R:0 V R:0 V
0.001 DTC114YU 470 270
2.57 V T:4.40 V T:2.68 V
R:2.91 V VRX
R:4.91 V
T:0 V VTX
T:0.96 V
COM BUS
ACC I/O BUS
DTMF BUS
AF BUS
R594
4.7k
R535 R538
1k
1k
XRTS EPTT
XCTS DIM
XTXD SP
XRXD PASP
R273
1k
PWON
SIFT
VSS
VRX
R272
1k
R275
1k
75 VTX
P14/A4
74 PLLT
P15/A5
73 UNLK
P16/A6
72 PCK
P17/A7
VSS 71
VSS 70 R276
69 1k PDA
PB4/XDB4
68 PSTB
PB5/XDB5
67 DCK
P20/A8
66 DDA
P21/A9
IC20 65
P22/A10
HD64F3437F16 64
R277
P23/A11
63 1k DSTB
P24/A12
62 TMUT
P25/A13
61 PA
P26/A14
60 HFSW
P27/A15
59 R570
VCC
58 1k
PB6/XDB6 W507
57 NWC
PB7/XDB7
56 AMUT
P47/PW1
55
MCON
P46/PW0
54
MODS
P45/TMRI1/HIRQ1
53
P44/TMO1/HIRQ1
52
P43/TMCI/HIRQ11
51 BEEP
P42/TMRI0
C525
0.1
R577
1k
ESO
R573
1k
ESI
ECK
ECS1
ECS2
R558
R572 R571
1M
1k 1k
R278 R305 R306
100k 100k 100k
W505
C522
0.001
R529 C521
R142 L59
390K Q504
10
33k 1
2SK1069
R555
R528 300k
R218 C578
1M
C352
1k 47p
R143
0.001
R581 10k
C547 C552 R556 C551
1k
0.001 0.001 R519 100k 0.001
1k
C550
0.001
VCC
+8V
DISC
DMOD
AMOD
PAAF
1/2VDD
7.90 V
Q55 L30
2SC4081
0.56
C267 10 R:7.22 V
IC11
T:0 V
R371
6.80 V SC-1323
C270 470p C342
L21 R366 4.7k
47p
1 F 100
C339
L17
7.50 V
C43 56n R616 C45 EP3
1
680
0.001 0.001
R27
3.3k MT8V
L505
C42
56n
33p
Q3
C47
L26
9p 2SC5110
0.56 C136 C410
470p 22 C118
R28 C582 C583 R108
2.2k 5p 0.001
R25 C44 5p 4.7
C
270 0.001
0.
R:2.30 V
R:0 V
R:0 V C281
T:0 V
T:7.81 V
T:1.40 V 10
T8V D16
C285 DA221
R113 R109
R114 C135 47p
C140 22 2.2k L25
22
0.001 470p
C469 22n C130 C286
220p 0.001 220P
L28
C376
L27 R110 C129 C121
33n L24 L23
R615 0.001 470p
22n 560 7p
47n 47n
470
C282 C137
L65
220p R120 C132 3p C131
0.001 15n R:0 V
8.2k R115 0.001
C128 C127 C126
3.9k T:1.36 V
C584 4p C424 5p 27p 5p
C138
7p
4p
Q17 R:0 V Q15
C141 C380
2SC5110 R:0 V Q16 T:7.82 V 2SC4703 0.001
4p
2SC5110
T:2.38 V
C425
R121
7p
R386
5.6k R:0 V R111
C133 C278
22 22
R117 R116 T:1.66 V 0.001 0.001
C134
1.8k 150
0.001
R118 C142 C123
R:0 V
0.001
470 T:0.82 V 47p
OPS1
R:0 V
OPS2
T:1.90 V
R559 R545
100k 100k
C385
R560 R546 470p
1k 1k
C545
C549
0.01 0.01
D508 C389 C3
D510
0.001
DA204U 47
DA204U
BOOT
L5V
CPU5V 5.02
CPU5
5.04 V
R553 100k R584 100k
C532 47p
R554
C544 C534
100k
0.1 47p C267
J501 10
12.
+5 TXD Q43
1 2
XRXD RXD RTS 2SC408
3 4
XCTS CTS RES
5 6
FVPX GND R585
7 8
VCC GND 100k
9 10
4.53V
to Optional
C530
cable R259
47p
4.7k
C529 C531 C533 C528 Q509
47p 47p 47p 47p DTC144EU
FVPP
5
Q513
R542
DTA144EU
BOOT C
10k
0.
D506
R540
DAN202U
Q511
5.9k
DTA144EU
MD1
R549
47k
R550
47k
R548 Q512
R547
47k 2SC4081
1k Q508
Q44
2SK1069 16.54 V 12.02 V 2.26 V 2SK1829
17.45 V
D31 1SS3
D32
IC18 C257
R263 MA742
TC7W04FU 1
10k
16.55 V
1 8
C259 2 7
0.68 3 6
C258
4
5
1
C263
R261
1
D33 470k
R262 47k
C262 MA8160
1 C260 C256
100p 0.1
C261 0.001
R267
Q4
DT
C543 10
DIM
C542 10
Q45
DTC144EU
HORN
5.04 V IC501
LC7366NM
L5V TONE 20
1 R526
VDD
CD 19 100k
2
XMIT
3 NC 18
NC
DTC1 4 R1 17 DTR1
C1
R527
DTC2 5 R2 16 DTR2
C2
100k
DTC3 6 15 DTR3
C553 C3 R3
IC504
20p 7 14 DTR4 2.50 V
VSS R4
TC4W53FU
8 NC 13
NC 4.99 V
9 MUTE 12 1 8
OSC1
10 C4 11 DTC4 2 7
OSC0
3 6
4 5
X502
C368
PBRC3.58A
15
R552
C554 C520
1k
20p
0.1
L5V
DISC
DMOD
AMOD
PAAF
1/2VDD