Main Unit - Icom IC-F1610 Service Manual

11-2 MAIN UNIT

J2
SPE
AFO
PAMIC
PAAF
R319
R239 100
10k
2.54V
IC9a
TA75W558FU
8
3
2
4
C230
2.2
R238
C231
10k
0.001
CENC
NOIS
5.02V
R228
100
C226
1
C224 0.047
R232
2.39V
100k
R230
100k
R231
100k C225
390p
C228
IC21A
0.0068
TA75W01FU
NWC
R190
BEEPOUT 22k
R197
BEEP 33k
R191 R192 R194
22k 1k
470
C200
C247
2.2
0.1
DTMF
R196
R258
27k
12k
C524
0.0033
R317
33k
MICOUT
MICIN
C246
0.018
MIC
R249
47k
0.96V
R251
560
4.69V
R297
100
C244
0.047
C243
2.2
SIGOUT
J5
VCC
VCC
SP
L48 0.56
SPE
+8V
L502 0.10
FRONT FTXD
UNIT FRXD
L62 0.10
J2 POSW
MICE
L47 0.56
MIC
GND
L63 1
AFO
C355
0.001
R309
1k
C526
C290
C291
47p
0.001
0.001
R324 R322 R216
1M 1M 100k
R323 R217 C293
R215
1M 0.001
100k 100k
OPV1 OPV1
OPV2 OPV2
OPV3 OPV3
GND
OPT3 OPT3
OPT2 OPT2
OPT1 OPT1
SIG OUT
MDWN
BUSY BUSY
AUX AUX
MIC IN
MIC OUT
PTTI PTT OUT
PTTO PTT IN
COMPLETE VIEW
SP
1/2VDD
L57
C354 C344
1
0.001 0.001
5.04V R298 R348
R304
100 3.9k
C307 100k R303
C87 C557
IC5 100k
0.1
2.2 47 R173
M62363FP R387
R382 R388
10k 1.2k
1k 1 24
VIN1 VIN8
2 23
R421 1 VOUT1 VOUT8
3 22 NTCCF20123FH
VOUT2 VOUT7
1 W3 4 21 2.47V
VIN2 VIN7
5 20
VDD GND 0V
DSTB 6 19 Q33 Q32
LD RESET
DCK 7 18 2SA1576 2SC4081
CLK VDAREF 16.75V
DDA 8 17
DI DO
9 16 Q31 Q30
VIN3 VIN6
10 15 FMW2 FMS2A
VOUT3 VOUT6
2.54V
11 14 5 1 2
VOUT4 VOUT5
R420
12 13
VIN4 VIN5 R336
15k
4.7k 4
R301
100k
3 2 1
C412
C85 0.001
0.1
R:7.57V
C299 T:8.20V
0.1
C103 R188 R184
C237
0.01 15k 100
10 C422 0.022
R185
R155
SQL MIN 5.01V
R189 18k 3.3k
C235 R186
10 47k 820
Q64 R154
R412
C104
DTC144EU R187 IC13
8 1k 2.2
3 TC4W66FU
47k
1 1
R242
2
2
3.3k R243 D38
C102
3
1.5k 1SS355
4 0.01
4
Q10 Q9
2.46V
2SC4081
2SC4081 C105
R310
470p 1M
C181
SQL MIN 0.6V
C514 1
IC502
0.1
TC7S66FU
R193 R521 R520
C202 5 4
22k 180k 10k
0.0022
1 2
R593 R378
Q505 2.50V
C201 18k 22k
3 R375
DTC144EU
0.1
4.7k IC29
5.09V
R400
R522 TA75S01F
240k
R195
Q35 220k
R376
240k 2SC4081 R302 1
20k
5
1 12k
W7
4 C546 3
3 680p
C516 C515
R377
2 C556
0.64V 10 0.1 R401 C229 R596 2.51V
10k R379
0.1 1
IC503 180k 56k
22k
C234
TA75S01F
0.1
R551
R523 C517
47k
R248 150k R342 68k 0.1
C364
68k
10
IC22 C233
0.96V
UPC5023GR 0.1
R247
150k 16 TONE1 1
IN1-
R240
15 TONE2 2 R544
OUT1 68k C238
14 3 100k
IN2- TONEOUT 100p
13 IN5- 4
OUT2A R224 C197
12 IN3+ 5
R250 82k OUT2B 10k 10
11 OUT3 6
REF
10 IN4+ 7
GND
9 OUT4 8 C426
VCC R222
30p 100k
R244 R246
R392 47k 47k 47k R418
47k
C239
C245
0.01
2.2
R245
47k
C523
Q65
0.01 C240
0.0022 2SK1829
C242
0.001
1/2 VDD
+5
PAAF
2.02V R255
VCC
10k
+8V R389
IC21b
MCON 47k
TA75W01FU
C289
5
0.001 C251 C320
IC25
R295
C356 0.1 0.047
TC4W66FU
100 6
47p
1 8
PA R257
2 7
22k
3 6
R296
4
5
100k
R294 R341
R256
100k 10k
390k
C288
0.001
R291 R292 R293
8.04V
100k 100k
100k
+8V
FTXD
FRXD
IC505
BU4066BCFV
1
I/O
2
O/I CONT.A
3
O/I CONT.D
R404 R405 R308
R531 4
4.98V I/O
100k 100k 100k
1k 5
CONT.B
6
CONT.C
J6
7
R307 VEE
AXN330C038
100k
15 16 SCK CCK
14 17 SI CSI
D505
13 18 SO CSO DA204U
5.04V
12 19 CIRQ CIRQ
11 20 CCS CCS
10 21 REM
9 22 AF OUT AFOUT
8 23 DISC DISC
7 24 RMUT R285
R284
6 25 BEEP OUT 100k
100k
PTT
5 26 AFON 1
4 27 MMUT 2
3 28 VCC 3
2 29 +5V 4
1 30 GND C292
0.001
R592
470
R591 C559
C560
1k 0.1
2.2
BEEPOUT
R590
C558
240k 2.25V
0.1
Q516
2SC4081R
R589
27k
0.64V
11 - 2
DATA BUS
R162
10
+5V
PSET
C184 +18V
0.001
L44
C563 C362 R148 47
0.56 R374 PLLIN
0.001
0.1
33k
Q56 LOCK 5.03V
UNLK
R172 DTA144EU UNLOCK0.30V
10k
IC12 MC145190F
C301 0.001 R160 1k
1 20 PDA
REF_O REF_I
2 19
LD DATA_I R159 1k
R156 3 18 PCK
R CLK
1M
C414 4 17
V ENABLE
R158 1k
5 16 PSTB
R171 1k VPD OP_A 1SV217
6 15
PD_O OP_B
0.001 7 14 PLLT
GND VDD L40
8 13
RX TEST2 0.68
9 12 R146
TEST1 VCC
C176
3 10 11 47
FIN FIN
33p R316
D20
47k
4 R157 1SV217
5
1M
5.04V Q25 Q26
R335 C169
DTC144EU DTA114EU
4.7k 0.001
C351 C303 C187
17.22V
0.001 470p 10 R147
470
D21
1SV217
R153
L42
1k C183 C182
0.001 4.7 3.3
Q29
Q52 2SK1069 D22
680
2SK1069 1SV217
R:1.82V
C218
R337
T:1.95V
1
8 1k 0.86V
7
R151
6
R299 R344 10k R150
10k
5 220k
330k
L58
R152
R300 1
C179 C178 C177 C353 C348
R369 33k 100k
0.22 470p 0.001 0.001
C302 470p
100k
0.1
4.99V
+5V
2.51V
C419
R380
82k 0.001 R169
R381
1k
100 C564
0.001
R163
1 2
5 VCC OUT
100
4 4 GND 3
VCON
C191
0.001
R170
X501
2
CR-573 8.2k L46
C365 C366
0.56
2.2
0.001
C340
0.001
C185 C186
2.2 0.001
C214 10
C212 0.001
C539 0.68
D507 C540 0.1
HSU88
C541 0.1
5.01V
5.01V
Q48
2SC4116 R270
R271 C269 10k
0.22
220k
1 NC 5
OUT
C555
2
R561 VDD
0.001
3 NC 4
1k VSS
R562
R269
220k
470k
IC19
S-80742SL R325
D36 R268 C268
1SS355 100k 0.1 100k
MA77 XTAL
D503 R516 12k SIFT R580
CPU5 1k
R574
EXTAL
1k
2.02V
AUX
R517
C511
7
12k 0.01
X4 FRNT
C250
CR-567 W506 RXD
C513
0.1 C512
9.8304 MHz TXD
0.01 33p
R575
C321
CCK 1k
47p
R518 C217 C216 CSI
12k
7p 22p CSO
f=9.83 MHz CCS
5.0Vp-p
PTTO
D37 PTTI
f=9.83 MHz
1SS355 AFON
5.0Vp-p
CIRQ
C527 0.1
R530 L5V
R576
3.3k
R533 Q50 C363 R326 1k
100k DTA114EU 0.1 100k
R532 R281
7.96V
14 100k 100k
VDD
R579
13 0V 1 8
1k
12 2 7 RXD BUSY
11 3 6 TXD
I/O
R578
10 Q51 4 5
O/I
1k
9 DTC114EU
O/I
8 R283
I/O IC26
100k TC7W04FU
AFV
FRNT
Q507
R321
R534 DTC144EU
100k
5.02V
1M
CPU5
L5V
ESI
ECS1 ECS2
VCC 8
CS
7 CPU5V GND
SO HOLD 1 2
SCK 6 ECK ECS2 ESO
WP 3 4
SI 5 ESO ESI ECK
VSS 5 6
IC27 J7
C272
X25650S8I-2.5 0.1
VCC
+8V
DISC
DMOD
AMOD
PAAF
1/2VDD
W508
C155
0.001
R134 R131
R135
5.6k 10k 220 C322
C154 R125
R:2.31V 47p
C152
10 L33 680
T:2.24V Q21 470p
D40
82n 2.11V
1SV217 2SC4226 2.68V
C157 0.001
C168 C167 7.04V
R136 R132 R126 C148
33p 47p 10k C151 6.8k 0.001
4.7 C156 Q19
10p
47p 2SC5110
4.23V
D19
C165 Q18
2SC5110
L39 10p
L51
3.3
C149
C158 47n
L35 R586
18p
3.3 0.5p 1.98V
6.8k
R587
D41 L38
C166
MC152 6.8k
1SV217 R137 Q27
10p C311 C312
1k DTA144EU
R:7.57V R:1.62V 7p 18p
T:8.20V T:1.78V C159 R:0V
0.001 Q22 T:1.79V R127 C310
R133 C153
1.80V
D42 DTC114YU 0.001 470 18p
R139 R138 470
1SV217 5.6k
10k
C170
R128
24p R:6.30V C323
C160
10 0.001
T:6.23V R:0.96V
2.25V 0.001
T:4.89V
Q23
C162
2SC5110
0.001 C145
L41 L32
C173 470p
1.2 R140 82n
R129 6.95V
68p 4.7
8.2k
C161
D43
47p
1SV217 C150 R122
C171 10p
D23 1SV214 18
C146
9p
27p
Q20 L31
C174 C163
L37
2SC5110 47n
2.5p 0.5p
3.3
C144
R145 27p R124
C172
470 L43
C143 270
10p R141
MC152 C147 27p
Q28 R370
820
3.24V 8.2k 0.001
DTA144EU
R:1.85V Q24
D46 C164
T:1.75V DTC114YU R130
1SV214 0.001 470
2.98V
R:1.81V VRX
R:4.99V
T:0V
T:0.98V VTX
COM BUS
ACC I/O BUS
DTMF BUS
AF BUS
R583
1k R594
4.7k
R535 R538
1k 1k
XRTS EPTT
XCTS DIM
XTXD SP
XRXD PASP
SIFT
VSS
R275
1k
1 75
RES P14/A4
2 74
XTAL P15/A5
3 73
EXTAL P16/A6
4 72
VCCB P17/A7
5 VSS 71
MD1
6 VSS 70 R276
MD0
7 69 1k
NMI PB4/XDB4
8 68
FVPP/STBY PB5/XDB5
9 67
VCC P20/A8
10 66
KEYIN15/PA7 P21/A9
11 IC20 65
KEYIN14/PA6 P22/A10
12 HD64F3437F16 64 R277
SCK0/P52 P23/A11
13 63 1k
RXD0/P51 P24/A12
14 62
TXD0/P50 P25/A13
15 61
VSS P26/A14
16 60
SDA/WAIT/P97 P27/A15
17 59 R570
P96 VCC
18 58 1k
AS/P95 PB6/XDB6
19 57
WR/P94 PB7/XDB7
20 56
KEYIN13/PA5 P47/PW1
21 55
KEYIN12/PA4 P46/PW0
22 54
RD/P93 P45/TMRI1/HIRQ1
23 53
IRQ0/P92 P44/TMO1/HIRQ1
24 52
EIOW/IRQ1/P91 P43/TMCI/HIRQ11
25 51
ECS2/IRQ2/P90 P42/TMRI0
C525
0.1
R577
1k
R573
OPT3 1k ESI
OPT2 ECK
OPT1 ECS1
MMUT ECS2
R558
R572
R571
1M
NOIS 1k 1k
OPV3
OPV2
OPV1
R278
100k
W505
C522
0.001
R529
AFV C521
390K Q504
10
2SK1069
RXD
R555
R528 300k
R218
RMUT 1M
1k
R581
C547 C552 C551
R556
1k
0.001 0.001 R519 100k 0.001
1k
C550
CPU5 0.001
L5V
EEPROM BUS
AF BUS
VCC
+8V
DISC
DMOD
AMOD
PAAF
1/2VDD
+5V
PSET
+18V
T8V
7.00V 8.02V
Q55 L30
2SC4081 0.56
R:7.16V
T:0V R371
R:2.76V SC
R31
T:0V R26 R366 4.7k
4.7k
220 100
C43
0.001
L17
C294 C339 7.71V
C45
0.001 56n 1
R27
0.001
L18 3.3k
3.3
L508
C42
56n
33p MT8V
D18 Q3
C47
C561
MA77 9p 2SC5110 C370
39p 0.001 C4
C338
R28 22
33p R108
R:4.44V 2.2k R25 L26 C136 C410
4.7
T:0V 470p
270 0.56 22
C44
0.001
R:2.10V
R:0V
T:0V
T8V
T:1.36V D16
DA221
C135
R119 R114 R113 R109 L25
R34
22 470p 68n
4.7k 22 2.2k C130 150
0.001
C139
0.001
R110
C140 C137 R115
R331 560
0.001 0.001 3.9k
470 L27
C129 L24
82n R:0V
C131 33p 47n
R120 T:0.43V
C297 0.001
L29 8.2k
0.001 3.3 C132
C138
15p 22p
C128
R:0V
Q17 Q16 Q15
D17 C141 12p
T:8.51V
2SC5110 2SC5110 2SC4703
MA77 10p
R116
150
R117 C127
R312 R121 R:0V
4.7k 5.6k 1.8k T:1.86V R386 27p
C134
22
0.001
R123 C142 R:0V
R118 R:0V R111 C133
R:0V R:0V R:0V
270 470 0.001 22 0.001 T:9.51V
T:4.47V T:3.16V T:2.24V T:1.49V
OPS1
R:0V OPS2
T:2.65V R559 R545
100k 100k
R
R560
1k 1
C549 C
0.01 0
D508
D510
DA204U DA204U
BOOT
L5V
CPU5V
R553 100k
R584
C532 47p
R554 C534
C544
100k J501
R273 0.1 47p
1k 52365-1091
PWON +5 TXD
1 2
XRXD RXD RTS
3 4
XCTS CTS RES
5 6
VRX FVPX GND
7 8
VCC GND
9 10
R272
1k
C
C528
47p 47
C529
47p
C533
47p
C531
47p
FVPP
Q513
DTA144EU
BOOT
VTX
D506
PLLT DAN202U
Q511
UNLK
DTA144EU
PCK MD1
PDA
PSTB
R547 R548 Q
DCK
1k 47k 2S
Q44
DDA
2SK1069 20.86V 10.97V
17.21V
DSTB
TMUT
PA D32
HFSW R263 DA204U
10k
3.71V
16.39V
W507
NWC C259
AMUT 0.68
C258
MCON
1
MODS
C263
R261
1 D33
470k
C262 MA8160
BEEP 1 C260
100p
C261 0.001
W504
ESO 5.10V IC501
LC7366NM
L5V
1 TONE 20
VDD
2 CD 19
XMIT
3 NC 18
NC
DTC1 4 R1 17 DTR1
C1
DTC2 5 R2 16 DTR2
C2
DTC3 6 15 DTR3
C553 C3 R3
X502 7 R4 14 DTR4
20p VSS 2.44
R305 R306 8 NC 13
PBRC3.58A NC 5.05V
100k 100k 9 MUTE 12
OSC1
10 C4 11 DTC4
OSC0
R142 L59
33k 1 C36
15
R552
C554 C542
20p 1k
0.1
C543
C352 10
R143
0.001
10k