Icom IC-703 Service Manual Download

Page: 73 / 77

BUS LINE1

14V

BUS LINE3

BUS LINE5

VCC

1
2
3
4
5
6
7
8

16
15
14
13
12
11
10
9

Y0
Y2
Y
Y3
Y1
INH
VEE
VSS

VDD

X2
X1

X0
X3

A
B

IC5601
BU4052BCF

SML

C5604 0.0047

TSWL

C5603 0.0047

REFL

C5602 0.0047

C5610 0.22

R5604
1k

MPXY

R5601
1k

D5601

1SS372

C5605 0.0047

C5606 0.0047

D5602

1SS372

C5609

0.47

R5605

47k

D5603

1SS372

R5602
1k

R5603 1k

C5607 0.1

C5608 0.0047

ALCL

FORL

C7001

R7001

4.7k

DOUT

C7002
0.1

R7002

2.2M

R7003

R7004
82k

C7003

0.039

R7005
82k

R7006
82k

C7004
0.1

IC7001
NJM2902M

C7005

0.0015

C7006
0.1

R7008
120k

R7007

100k

C7007

0.1

R7009
470k

R7010
100k

C7008

100p

IC700
NJM2902M

C7009

0.0047

R7012

R7013

10k

R7011

2.2M

IC7001
NJM2902M

V+

GND

C709

0.1

IC2401
NJM2902M

V+

GND

C2499

0.1

R7102

220k

IC2401
NJM2902M

BAND

CTCL

BANV

R7151
270k

R7103
220k

C7152

0.01

FDET

NSQL

C7153

0.001

R7152
56k

R7153
47k

R7154
100k

IC7001
NJM2902M

R7155

4.7k

R7150 150k

C7150 0.01

C7202
1

R7202
1.5k

C7206

R7206

470

SPCH

R7201

47k

C7201

0.1

1
2
3
4
5

VCC2
IN+
IN-
OUT
GND

VCC

VCAOUT

CTL

VCAIN

C7204
10

R7203
47k

C7203
10

R7204
47k

C7151
0.1

AFI

C7205

330p

C7207 10

C7209 10

R7207
10k

R7208

4.7k

AAF

C7208

IC7201
M5282FP

R7212 100

C7210

R7209 27k

C7211 10

R7211

2.7k

AFGV

C7301
10

R7301

22k

GND

MUTE

GND

+VS

+INPUT

INPUT

SVR

OUTPUT

R7302

C7302

CP7301

C7303 10

C7306
1000

IC7301

TDA7233D

C7304

0.1

C7305

470

L7351 BM27-400-6A

Q7351
2SB1132

Q7352
2SC4081

R7351

470

C7351

470

D7351

MA8110

R7371

10k

R7303

4.7

C7307

0.1

R7372

100k

R7376
82k

Q7372
2SK3018

1
2
3
4

S
S
S
G

D
D
D
D

C7374

SPS

R7374

220k

Q7371
ECH8301

R7373

10k

C7371
1000

L7371
BM27-400-6A

SNDK

Q6601
2SC4081

R6603

15k

R6602
33k

R6601

47k

R6604

4.7k

D6601
MA2S111

1
2
3
4
5

COMP
VDD
CAP/+2.5V
DGND
MCLK

C9003 47

C9004 0.1

C9005 0.1

IC9001
AD9833BRM

C9001

0.1

SDATA

SCLK

FSYNC

AGND

VOUT

SNDS

R6642

100k

R6641
1k

Q6661
2SC4081

R6663

15k

R6662
33k

R6661

47k

D6661
MA2S111

R6664

4.7k

MAIN

UNIT

(4)

W9005

R9003 1k
R9004 1k
R9005 1k

DST5
PCK5
PDT5

1
2
3
4
5
6
7
8

OSCIN
OSCOUT
REFOUT
FIN
DIN
ENB
CLK
DOUT

VSS

PDOUT

VDD

IC9101
MC145170D2R2

PDT5
PST5
PCK5

R9102 1k
R9103 1k
R9104 1k

R9101 1M

C9101

0.0047

C9102

100p

L9101

C9103 470p

C9104 0.1

C9105 470

C9106 0.1

C9107 0.1

R9106
1k

R9151
1.2k

C9151 10

R9152

100

L9151
1812CS

C9152

0.68

L9201
1812CS

D9201
KV1770S

C9202

10p

C9203

R9001

100

C9204 0.0047

Q9201 2SK508

L9202
E544GN-110248

C9206 0.0047

R9201
330

C9211 0.0047

C9212

0.0047

R9203
10k

C9213

0.1

L9203 1812CS

C9207 470p

C9209

R9205

560

C9210

Q9221
2SC4081

R9221
1k

C9221
10

Q9202
2SC4081

R9006

R9054
100

C9052
0.1

R9053

R9051

220k

C9051

0.1

Q9051
2SC4081

C9053
100p

C9054

0.0018

L9051 0.33

L9052
8.2

C9055
82p

C9056 0.0018

L9053 0.33

C9201
470p

L9251
1812CS

D9251
KV1770S

C9252

10p

C9254
0.0047

C9259

R9255
330

C9257

470p

C9251
68p

E544GN-110275

Q9251
2SK508

C9260
1p

R9251
330

C9256

0.0047

C9261

0.0047

Q9252
2SC4081

C9262

0.0047

R9253
10k

C9263

0.1

L9253

1812CS

C9301
0.0047

R9302

2.2k

C9302

0.0047

R9303

100

Q9301
2SC4406

R9301

10k

L9301

0.33

C9303

0.0047

C9304

0.1

R9304
100

R9351

470

C9351 47p

W9353

R9354

ESPE

HFS

BUS LINE1

14V

T8L

BUS LINE3

Q9401
DTA114EE

R9401
1k

D9401

MA77

L9401
56n

C9406
12p

L9402
68n

C9402
12p

C9401

27p

C9403

33p

L9403
68n

C9404
4p

C9407
68p

C9408

120p

L9404

0.22

C9405

18p

C9409
68p

R9403
18

R9402

270

R9404

270

1LO

C9681

R9681

10k

IC9681
TA78L05F

C9682 10

C9683 0.1

C9684 0.1

C9685 10

1
2
3

GND
VIN
VOUT

IC9901
S-812C33AMC-C2N-T2

C9901 10

C9902 0.1

C9903 10

C9904 0.1

C9923 10

C9924 0.1

C9922 0.1

C9921 47

IC9921
BA033FP

C9941 10

C9942 0.1

C9943 0.1

C9944 10

IC9941
TA7805F

C9961 470

C9962 0.1

C9963 0.1

C9964 470

IC9961
BA08FP

Q9965
2SK3018

Q9963
DTA114EE

R9962

47k

R9961
1k

Q9966
2SK3018

Q9964
DTA114EE

R9964

47k

R9963
1k

PSS

1
2
3
4

S
S
S
G

D
D
D
D

Q9968
ECH8301

R9967

100k

Q9960
2SK3018

Q9967
DTA114EE

R9960

82k

R9968 22

R9969 22

R9970 22

R9971 22

W9022

R9021

C9025

L9022
10

C9024

18p

L9021
10

C9023

R9551

R9552

RV-150

R9553

C9503

0.0047

X9501
CR-745
(16.384MHz)

1
2

VCON
GND

VCC
OUT

C9501 10

C9502

0.1

C9504
0.0047

C9521

L9521
3.3

L9522
3.9

C9522
2p

C9524
0.75p

C9523

10p

C9525

C9526
0.0047

R9521
470

1
2
3

IC9521
TC7SU04F

L9523

C9527

0.1

C9530

C9529

18p

C9528

L9525
10

L9524
10

W9721 R9721

W9722

1
2
3
4
5

10
9
8
7
6

VDD

COMP

CAP/+2.5V
DGND
MCLK

IC9701
AD9833BRM

SDATA

SCLK

FSYNC

AGND

VOUT

C9703

C9704

0.1

C9701

0.1

R9702 100

R9703 1k

R9705 1k

R9704 1k

PDT5

PCK5

BST5

BUS LINE6

C9751
0.1

W9752

C9702

0.0047

1
2
3
4
5
6
7
8
9

10
11
12

XIN
CE
CL
DI
LDB
LDA
CA
TEST
PDA2
PDA1
AIA
AOA

OUTA

PIA

VSS

PIB

VDD

OUTB

AOB

AIA

PDB1

PDB2

XOUT

IC9601
LC7153M

SST5

PDT5

PCK5

R9604 1k

R9603 1k

R9605 1k

C9601
0.0047

R9601
4.7k

IC9691
TC7W04F

R9691

47k

R9607 4.7k

R9606 2.2k

C9604

R9608
470k

R9609

270

R9600
1k

FMS

W9751

L9751

220

C9753

0.1

C9756
330p

C9754
330p

R9753
1k

50MS

BFO

C9691
0.1

W9691

Q9600
2SK3018

C9620

22p

C9602

C9605

0.0047

C9606

C9607
0.0047 W9610

R9611
1k

R9612
47k

L9621
1812CS

C9608

0.0047

D9621

MA357

C9623
56p

L9622
E544GN-110248

FMOD

R9622

47k

R9624

47k

L9624
1812CS

D9622

MA357

C9622
4p

C9624

47p

C9625

Q9621
2SK210

C9626
12p

C9627

12p

R9623 220

L9623

BM27-400-6A

C9632
1p

R9652 2.2k

C9651

0.0047

R9653

100

C9621 1

R9621 2.2k

C9654
27p

R9671

470

W9672

C9673

47p

C9675

47p

L9672
0.12

R9672

270

R9674

270

R9673
18

PWRS

2LO

Q9651
2SC4673

R9651

10k

C9655

22p

L9651

0.15

C9652

0.0047

R9654
100

R9653

0.001

C9629

0.0047

C9630

ESPO

SEND

FSK

Q6641
2SK3065

BAND

ULS

L6962

BM27-400-6A

MAIN

UNIT

(6)

T8L

C9002 0.0047

W9021

ULP

Q9681 2SC4081

R9602
47k

L9960
LR-270

R9522

4.7k

HFS

BFO

W9692

W9673

W9674

W9676

C6963

0.001

BUS LINE4

C5601

0.1

R7205
RV-148

SNDK

R7101
10k

AFO

C7308

470

C6766

470

L6701

PSS

MAIN UNIT(5)

14V

P5V

14V

H3V

14V

L9252

H3V

14V

5V
14V
8V

P5V

5V
14V
8V

14V

C6491
0.0047

R6491

SNDK

_BEEP

14V

T8L

P5V

TPOL

P5V

FSKK

[EUR],[USA],[KOR]only

C9610
22

R5608 1M

ALCL

MPXB

MPXA

MPXX

R5607 100k

R5600 10k

MPXY

C7010

R7304 22k

R7104 220k

C9687

0.001

[EUR],[USA],[KOR]only

C9153

0.1

W9251

[EUR],[USA],[KOR]only

R5606 100k

14V

P5V

W9201

[FRA],[ESP],

[OTH],[ITR]only

P5V

14V

50MS

HFS

50MS

5V
14V
8V

14V

FSKK

SEND

SNDS

VCC

SNDK

H3V

RX: 4.9V

50MHz band: 1.6V

OTHER band: 1.9V

HF band: 1.75V

OTHER band: 2.8V

RX:7.7V

RX: 4.6V

50MHz band: 1.2V

OTHER band: 4.9V

RX: 7.9V

RX: 5.0V

15.6nS

0.86V

POWER 9.6V: 9.5V

13.8V: 10.9V

RX: 7.9V

RX: 4.9V

RX: 3.3V

RX: 3.25V

61nS

0.55V

61nS

2.0V

FM MODE: 0V

OTHER MODE: 3.1V

TX:3.1V
RX: 0V

TX: 3.2V
RX: 0V

RX: 4.2V

11 - 6

Summary of Contents for IC-703

Page 1: ...HF 50MHz ALL MODE TRANSCEIVER i703 SERVICE MANUAL...

Page 2: ...de back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its powe...

Page 3: ...4 1 4 2 PLL ADJUSTMENTS 4 2 4 3 TRANSMITTER ADJUSTMENTS 4 4 4 4 RECEIVER ADJUSTMENTS 4 8 4 5 SET MODE ADJUSTMENTS No 1 4 10 4 6 PA UNIT ADJUSTMENTS 4 12 4 7 SET MODE ADJUSTMENTS No 2 4 14 SECTION 5 P...

Page 4: ...odulation AM Low level modulation FM Variable reactance modulation Spurious emissions Below 30 MHz Less than 50 dB Above 30 MHz Less than 60 dB Carrier suppression More than 40 dB Unwanted sideband su...

Page 5: ...SC4081 LCD driver IC2 SED1522F0C VR board Back light dimmer Q2 2SB1132 Q3 2SC4081 Key dimmer Q13 2SB1132 Q14 2SC4081 PA UNIT Expand IC IC600 ISPLSI2064VE Buffer IC560 NJM2904M Comparator IC640 TA75393...

Page 6: ...rter IC6501 M62364FP Balanced modulator IC1801 TA4107F Automatic gain control circuit YGR amplifier IC101 PC2709T 1st mixer D701 HSB88WS 1st IF amplifier Q811 2SK508 1st IF filter FI851 FL 348 2nd mix...

Page 7: ...ER CIRCUIT MAIN UNIT The 1st mixer circuit mixes the receive signals with the 1st LO signal to convert the receive signal frequencies to a 64 455 MHz 1st IF signal The signals from the preamplifier ci...

Page 8: ...right column via the Tx Rx switch D1402 The filtered or bypassed signals are applied to the 2 ampli fiers Q1101 Q1201 and buffer amplifier Q1251 to obtain a detectable level at the demodulator circuit...

Page 9: ...reshold level set by the RF SQL control The RF SQL setting is picked up at the sub CPU DISPLAY board IC6 pin 97 The main CPU compares the S meter signal and RF SQL setting and controls the AF selector...

Page 10: ...n 8 The resulting signals from pin 9 are then applied to the buffer amplifier Q1721 via the analog switch IC1701 External modulation input from the ACC socket J6951 pin 11 is also applied to Q1721 Whi...

Page 11: ...F circuit amplifies the displayed frequency signal to obtain 10 W of RF output power for HF 50 MHz bands The HF 50 MHz RF signals from the 1st mixer D701 via the low pass filter pass through one of 8...

Page 12: ...fier IC2701 and applied to the ALC circuit as the reference voltage For the current APC the driving current at the power ampli fier is detected in the voltages IDH and IDL which appear at both termina...

Page 13: ...ers and is then applied to the 1st mixer D701 as a 1st LO signal 3 3 3 2ND LO AND REFERENCE OSCILLATOR CIRCUITS MAIN UNIT The reference oscillator IC9601 Q9621 X9501 generates a 64 MHz frequency used...

Page 14: ...l passes through the C646 to shift the its phase for 90 degrees The signal is applied to the phase detecting circuit L640 The output side signal is applied to the amplifiers Q643 Q811 The amplified si...

Page 15: ...5 regulator circuit IC5 Q10 Q11 D9 The out put voltage is applied to the SUB CPU IC6 LCD driver IC2 etc Line 8V 5V 3 5 3 VOLTAGE LINES DISPLAY BOARD 1 2 3 4 5 8 9 16 18 19 20 21 22 23 25 26 27 28 31...

Page 16: ...signal High While the speech compressor is ON Outputs 9600 bps packet mode control signal High While 9600bps packet mode is ON Outputs optional DSP unit control sig nal High While the DSP unit is ON...

Page 17: ...the phone plug is insert ed Input port for the RIT SUB key Input port for the main dial s A phase signal Input port for the main dial s B phase signal Input port for the sub dial s A phase signal Out...

Page 18: ...0 100 MHz Measuring range 0 to 5 kHz Frequency range At least 100 MHz Measuring range 0 100 Frequency range 1 kHz 10 Measuring range 1 100 Frequency range DC 100 MHz Measuring range 0 01 10 V Imput im...

Page 19: ...ay frequency 29 99999 MHz Mode USB Receiving Display frequency 60 00000 MHz Mode USB Receiving MAIN MAIN MAIN Connect an RF volt meter to check point CP9611 Connect a frequency counter to check point...

Page 20: ...ce frequency adjustment Reference frequency check point R9552 VCO2 lock voltage adjustment C9252 VCO1 lock voltage adjustment C9202 VCO1 and VCO2 lock voltage check point CP9151 CP9671 CP9611 MAIN UNI...

Page 21: ...nd set as 1 5 kHz 3 mV Transmitting Display frequency 14 10000 MHz Mode USB MIC GAIN 5 Connect an audio generator to MIC connector and set as 1 5 kHz 30 mV Transmitting Display frequency 52 00000 MHz...

Page 22: ...5 Transmit total gain adjustment R833 Id APC adjustment R2765 Transmit peak power adjustment R1203 R1203 Carrier suppression adjustment R1807 R1803 Output power adjustment R2705 R2706 MAIN UNIT TOP VI...

Page 23: ...k position Connect an audio generator to MIC connector and set as 1 kHz 30 mV Transmitting Display frequency 14 10000 MHz Mode CW RF POWER H KEY SPEED 60 BRK BK semi break in CW paddle n Connect an RF...

Page 24: ...4 7 FM deviation adjustment R2621 AM modulation adjustment R1811 R2618 R2707 CW carrier level adjustment R1853 MAIN UNIT TOP VIEW...

Page 25: ...FF Set an SSG as Frequency 14 15150 MHz Level 500 V 53 dBm and OFF Modulation OFF Receiving Display freq 14 15000 MHz Mode USB P AMP ATT Preamp ON NB ON Connect an SSG to the ANT con nector and set as...

Page 26: ...4 9 Receiver peak adjustment L1101 L1102 L1201 Receiver total gain adjustment R1203 Noise blanker adjustment L1052 L1053 L882 L881 MAIN UNIT TOP VIEW...

Page 27: ...PTT switch Transmit using an external PTT switch 1 1 2 3 1 1 2 3 4 5 6 1 2 3 4 5 6 S0 LEVEL S9 LEVEL 60dB LEVEL GO FILTER CAL CHK 10 W SET 5 W SET 2 5 W SET 1 W SET 0 5 W SET POmin CHK 10 W SET 5 W SE...

Page 28: ...smit using an external PTT switch Transmit using an external PTT switch Connect a 50 dummy load or power meter to ANT connector Connect a 50 dummy load or power meter to ANT connector 1 2 1 2 Push and...

Page 29: ...o ground Connect an audio generator to MIC connector and set as 1 5 kHz 30 mV Transmitting Transmitting PA Rear Panel PA Connect a digital multimeter to check point CP151 Connect a DC ammeter between...

Page 30: ...4 13 Idling current adjustment R159 R164 SWR detection check point CP41 SWR detection adjustment C561 J640 J642 J641 Antenna tuner adjustment plug replacement point PA UNIT TOP VIEW...

Page 31: ...to the following set ting or push UP DN to scroll the display Push MENU GO to set adjust ment value Push MENU GO to set adjust ment value Push MENU GO to set adjust ment value USB NOTE In case of not...

Page 32: ...SISTOR ERJ3GEYJ 471 V 470 R3 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 R4 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R5 7030003340 S RESISTOR ERJ3GEYJ 151 V 150 R6 7030003440 S RESISTOR ERJ3GEYJ 102 V 1...

Page 33: ...YJ 821 V 820 R141 7030003430 S RESISTOR ERJ3GEYJ 821 V 820 R143 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 M C1 4030006880 S CERAMIC C1608 JB 1H 472K T C2 4030006880 S CERAMIC C1608 JB 1H 472K T C4 403000...

Page 34: ...501 1160000070 S DIODE DAN202K T146 D520 1160000070 S DIODE DAN202K T146 A only D521 1160000070 S DIODE DAN202K T146 A only D560 1750000950 S DIODE MA732 TX D561 1750000950 S DIODE MA732 TX D562 17500...

Page 35: ...0 7030010820 S RESISTOR ERJ1TYJ 221U 220 R211 7030010820 S RESISTOR ERJ1TYJ 221U 220 R213 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R214 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R216 7030010810 S R...

Page 36: ...S RESISTOR ERJ3GEYJ 274 V 270 k R682 7030003610 S RESISTOR ERJ3GEYJ 273 V 27 k R683 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 R684 7030003770 S RESISTOR ERJ3GEYJ 564 V 560 k R685 7030003440 S RESISTOR...

Page 37: ...4030006880 S CERAMIC C1608 JB 1H 472K T C83 4030011600 S CERAMIC C1608 JB 1E 104K T C84 4510004590 ELECTROLYTIC 16 MV 470 HC C85 4030011600 S CERAMIC C1608 JB 1E 104K T C86 4030006880 S CERAMIC C1608...

Page 38: ...8 JB 1H 472K T A only C533 4030006880 S CERAMIC C1608 JB 1H 472K T A only C534 4030006880 S CERAMIC C1608 JB 1H 472K T A only C540 4030011600 S CERAMIC C1608 JB 1E 104K T C541 4030011600 S CERAMIC C16...

Page 39: ...880 S CERAMIC C1608 JB 1H 472K T C866 4030006880 S CERAMIC C1608 JB 1H 472K T C867 4030006880 S CERAMIC C1608 JB 1H 472K T C868 4030006880 S CERAMIC C1608 JB 1H 472K T C869 4030006880 S CERAMIC C1608...

Page 40: ...1 1130003830 S IC TC7S04F TE85R IC5851 1130010520 S IC SN74HCT244APWR IC5901 1140011200 S IC M30620FCMGP IC5961 1130011210 S IC CAT24WC64J TE13 IC5981 1110005820 S IC R3112N281A TR IC6101 1130007700 S...

Page 41: ...03220 S TRANSISTOR 2SC4406 4 TL Q9401 1590001870 S TRANSISTOR DTA114EE TL A only Q9600 1560001260 S FET 2SK3018 T106 Q9621 1560000330 S FET 2SK210 GR TE85R Q9651 1530003150 S TRANSISTOR 2SC4673D TD Q9...

Page 42: ...018T R15J A only L526 6200005010 S COIL NL 252018T 100J A only L541 6200003240 S COIL NL 322522T 221J L542 6200003240 S COIL NL 322522T 221J L551 6200003260 S COIL NL 322522T 101J L552 6200002000 S CO...

Page 43: ...0 S RESISTOR ERJ3GEYJ 391 V 390 A only R502 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 A only R503 7030004050 S RESISTOR ERJ3GEYJ 1R0 V 1 A only R504 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 A only R505 7...

Page 44: ...00 R1344 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R1361 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R1362 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 k R1363 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 R1364...

Page 45: ...03440 S RESISTOR ERJ3GEYJ 102 V 1 k R2453 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R2454 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R2455 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R2456 7030003440 S RESI...

Page 46: ...03440 S RESISTOR ERJ3GEYJ 102 V 1 k R5807 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R5812 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R5814 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R5815 7030003440 S RESI...

Page 47: ...1 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R9053 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R9054 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 R9101 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 M R9102 70300034...

Page 48: ...C593 4030007150 S CERAMIC C1608 CH 1H 151J T C594 4030007140 S CERAMIC C1608 CH 1H 121J T C595 4030011340 S CERAMIC C1608 CH 1H 471J T C596 4030007170 S CERAMIC C1608 CH 1H 221J T C601 4030006880 S CE...

Page 49: ...40 S CERAMIC C1608 CH 1H 471J T C1701 4510004630 S ELECTROLYTIC ECEV1CA100SR C1702 4030011600 S CERAMIC C1608 JB 1E 104K T C1703 4030012610 S CERAMIC C2012 JB 1C 474K T C1721 4510004440 S ELECTROLYTIC...

Page 50: ...30006880 S CERAMIC C1608 JB 1H 472K T C6703 4030006880 S CERAMIC C1608 JB 1H 472K T C6704 4030006880 S CERAMIC C1608 JB 1H 472K T C6751 4030006880 S CERAMIC C1608 JB 1H 472K T C6752 4030006880 S CERAM...

Page 51: ...0004630 S ELECTROLYTIC ECEV1CA100SR C9502 4030011600 S CERAMIC C1608 JB 1E 104K T C9503 4030006880 S CERAMIC C1608 JB 1H 472K T C9504 4030006880 S CERAMIC C1608 JB 1H 472K T C9521 4030006980 S CERAMIC...

Page 52: ...THER SX2591 Shield B 1 MA EP2 0910055866 PCB B 5904F EP101 6910012350 S BEAD MMZ1608Y 102BT EP801 6910012350 S BEAD MMZ1608Y 102BT EP812 6910012350 S BEAD MMZ1608Y 102BT EP831 6910012350 S BEAD MMZ160...

Page 53: ...33 8510015060 2591 shield plate 1 MP35 8930060140 Sheet CI 1 MP36 8930060140 Sheet CI 1 MP38 8930060310 Shield tape P 1 MP39 8930060300 Shield tape O 1 MP40 8930060290 Shield tape N 1 CHASSIS UNIT ORD...

Page 54: ...9702 8930059930 Sponge HG 1 MP9703 8930045530 Magic tape F 1 MP9704 8930060170 Rubber sheet BE 1 MP9705 8930060180 Rubber sheet BF 1 MP9961 8510015390 2591 reg plate 1 MAIN UNIT ORDER NO REF NO DESCRI...

Page 55: ...T RF SQL CH VFO A PO S1 5 5 3 7 9 20 40 10 60dB USB M1 SPL A B A B MP25 C MP20 C MP4 C MP12 C MP14 C J1 C MP8 C MP18 F MP12 F MP21 F MP11 C MP11 C MP22 C MP28 C J2 D MP10 C MP26 F MP11 F MP3 F MP24 C...

Page 56: ......

Page 57: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13912HZ C1 C 2003 Icom Inc...

Page 58: ...D MP3 F DS4 D EP7 D DS5 D J2 D R2 VR W1 F MP15 F MP7 F VR BOARD R1 VR S1 VR SP1 C MP21 C MP29 C MP9700 M MP9625 M MP9624 M MP30 C MP9701 M MP9702 M MP5901 M WS1 M MP701 M MP9621 M MP15 C MAIN UNIT PA...

Page 59: ...E Symbol UW Symbol UV Symbol KD Symbol 14 Symbol 14 Symbol 24 Symbol JA Symbol K2 Symbol RD07MVS1 Symbol K1 Symbol 9U Symbol 3X B C E B C E B C E B C E B E C B E C B E C B E C B C E D G S S D G D G S...

Page 60: ...ARD LAYOUTS 8 1 DISPLAY BOARD TOP VIEW POWER P AMP ATT TUNER CALL RIT SUB MENU F 1 F 2 F 3 PHONES LOCK DISPLAY TS MODE LRXD 1 7 2 8 to MAIN unit J5101 J1 LTXD 8V AFO GND MIC MICE PWRK 8 1 8 2 JACK BOA...

Page 61: ...J1 U D AF PTT MICEL MICL GND SQLS DN 1 to VR board J1 13 2 12 J3 AFL SQL AFV UP SFT GND AFL AF AF AFS AFS 5V PWRK to DISPLAY board MICE MIC GND AFO 8V LTXD LRXD AF RF SQL M CH SHIFT SPEAKER PHONES 13...

Page 62: ...DRES MDT3 TDTS IDL GND LRXD 7 1 8 to JACK board J1 2 J5101 LTXD 8V AFO GND MIC MICE PWRK DRES 10 2 to UT 106 9 1 J2453 DSTB MCK DSPS GND DINT MDT 5V GND GND MSST 1 7 2 to Optional unit UT 102 8 J7121...

Page 63: ...1 8 16 9 1 10 6 1 5 7 14 8 1 4 8 5 1 1 1 1 8 16 9 1 1 1 7 14 8 8 16 9 7 14 8 7 14 8 7 14 8 7 14 8 1 1 4 8 5 8 4 1 5 7 14 8 6 10 5 1 8 16 9 1 1 7 14 8 1 12 24 13 16 9 1 8 BOTTOM VIEW MAIN UNIT 8 4...

Page 64: ...unit J1 RX P4 P5 ANT CHASSIS J1 GND 1 17 2 18 to MAIN unit J6751 J41 TSWL TPHK REFL GND MCK3 PWRS TOE IDH TGK TPZS TPZL FORL DRES MDT3 TDTS IDL GND START 1 17 2 18 to MAIN unit J6701 J1 TPWR POWS GND...

Page 65: ...BOTTOM VIEW PA UNIT 8 6...

Page 66: ...VCO REG P8V IC9681 TA78L05F 2nd PLL REG Q9681 2SC4081 2nd VCO REG 8V PSS DIN AMP IC2201 NJM2058M AMP IC2201 NJM2058M DET D2221 1SS385 Q6201 DTC114EE SW UNLK Q9801 XP4311 D9801 DAP222 SW UNLK Q6342 2SB...

Page 67: ...72 J7121 J6751 J6801 8V MUDL AFO SEND MICE MIC SQLS 6 4 2 1 3 5 J6851 CIV NC CIVE J6901 DASK J6921 DOTK GND 4 3 2 1 8 7 6 5 12 11 10 9 13 J6951 DATA to microphone REMOTE KEY ACC EXT SP SEND BDT ISPO E...

Page 68: ...ATTD TUND SUBD RITD Q18 XP4111 R5 150 Q1 DTC114EE C33 0 0047 R30 1k C32 0 0047 C31 0 0047 W1 C7 0 0047 L1 100 D5 MA2S111 D6 MA2S111 R42 1k R46 2 2k R44 3 3k R47 47k R45 3 3k C8 0 0047 C9 0 0047 D7 DA...

Page 69: ...R416 47k R412 1k PRES Q415 2SK3018 TXH TXL Q411 DTA114EE R415 47k Q414 2SK3018 Q410 DTA114EE R414 47k R410 1k R411 1k PROL PROS 3V 3V 14V 5V C510 39p C511 0 0047 R505 270 L508 10 D502 MA77 D601 MA77...

Page 70: ...7k C1321 0 1 O I FI1301 FL 65 R1323 100 C1322 0 1 R1324 10k D1311 MA77 R1006 680 NBLV C1341 0 1 D1305 MA77 R1341 10k FI1341 CFWS455G C1342 0 1 2F80 R1342 47k R1343 100 I O R1344 10k D1313 MA77 C1361 0...

Page 71: ...1k D2221 1SS385 C2221 0 1 R2221 100k C2222 0 1 R2222 100k R2224 100k 13 14 12 IC2201 NJM2058M R2223 150k R2208 1k R2209 1k OVDK V GND 4 11 IC2201 NJM2058M C2204 0 1 VDD IC2301 BU4052BCF 2 1 3 X2 X1 X...

Page 72: ...010 1k R6012 1k R6013 1k C6001 0 0047 R6002 47k C6006 0 0047 C6008 0 0047 C6007 0 0047 R6005 10k D6001 MA2S111 B0 B5 B6 B7T B7R C6101 0 1 R6151 1k C6151 0 0047 DRES PCK PDT PMST PDST PBST _P2ST UNLK P...

Page 73: ...02 12p C9401 27p C9403 33p L9403 68n C9404 4p C9407 68p C9408 120p L9404 0 22 C9405 18p C9409 68p R9403 18 R9402 270 R9404 270 1LO C9681 10 R9681 10k IC9681 TA78L05F C9682 10 C9683 0 1 C9684 0 1 C9685...

Page 74: ...OTK EP6922 EP6921 C6851 0 001 C6852 0 001 C6853 0 001 C6854 0 001 C6855 0 001 Q6851 2SK3018 R6853 47k R6852 1k SQSS DOUT AFO DIN C6856 1 C6962 1 AAF 4 3 2 1 8 7 6 5 12 11 10 9 13 J6951 L6953 BM27 400...

Page 75: ...00p D520 DAN202K D521 DAN202K C502 27p C513 0 0047 C506 18p RL501 ATX222 C511 0 0047 C505 68p C512 0 0047 L501 LR 426 L500 LR 426 C510 0 0047 C507 68p D500 DAN202K W500 W501 RL500 ATX222 D501 DAN202K...

Page 76: ...8R_ C8S_ C817 0 0047 C8S C816 0 0047 R839 1k C9R R836 1k R837 47k R838 47k Q809 UM5K1N C9R_ C9S_ C819 0 0047 C9S C818 0 0047 R843 1k C0R R840 1k R841 47k R842 47k Q810 UM5K1N C0R_ C0S_ C821 0 0047 C0S...

Page 77: ...D641 1SS355 RL640 AHY107 C643 0 0047 Q640 2SK3018 R681 270k C669 0 001 R680 10k C671 0 1 C670 0 001 R679 270k R678 10k Q642 2SK3018 C645 0 0047 D647 1SS355 C661 0 0047 RL641 AHY107 W644 L645 10 C664 0...

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