Icom IC-M504 Service Manual Download

Page: 31 / 35

VOLTAGE LINE

Explanatory notes

TX LINE

RX LINE

COMMON LINE

100k

R101

0.027

C44

100

R46

R86

R84

R95

0.001

C90

0.068

C81

4.7k

R87

C102

R92

0.01

C108

0.001

C89

KDS122

0.001

C101

4.7k

R94

C109

0.001

C88

0.01

C82

100k

R85

MA8062

4.7k

R91

2SK1069

22p

C46

2SC4081

820

R93

R97

0.001

C87

2SC4081

2SA1576

EP81

22p

C45

R98

47k

R96

KDS122

0.1

C142

0.1

C141

HN58X2464TI

IC3

VSS

SDA

SCL

VCC

R2 10k

R82

0.1

C32

18k

R60

Q2
KTC4075

10k

R57

10k

R59

10k

R61

10k

R55

39k

R62

18k

R56

R64

0.1

C83

100k

R80

DS13
FY1101F

DS16
FY1101F

DS11

FY1101F

DS15

FY1101F

DS12

FY1101F

DS14

FY1101F

Q3
KTC4075

R44
47k

0.47

C41

0.01

C40

0.01

C39

0.01

C36

0.01

C37

0.01

C38

100k

R41

100k

R127

100k

R126

0.01

C31

0.1

C111

0.47

C42

R45

47k

R48 47k

47k

470p

0.001

10k

R34

10k

R33

0.01

C15

15k

R83

100k

R81

DS7

SML-311YT

DS6

SML-311YT

0.01

C16

DS17
FY1101F

DS18
FY1101F

DS22
FY1101F

DS20

FY1101F

DS19
FY1101F

DS21
FY1101F

10k

R65

S-80942CNMC

IC4

OUT

VDD

VSS

2SB1201

KRC404

0.001

C338

0.001

C337

VR-M1005C080MT

D43

47p

C334

DS2
SML-311YT

DS5

SML-311YT

DS4

SML-311YT

DS3

SML-311YT

0.0022

C340

100k

R79

20k

R54

20k

R58

4.7k

R66

68k

R63

R51

270

R71

270

R72

100

R76

100

R75

100

R77

100

R74

CP1

CP20

CP13

CP24

CP14

CP18

CP16

CP15

CP4

CP19

CP17

CP25

CP12

CP11

KEY

S10

KEY

TA78L05F

IC8

R99

100k

R88

0.1

C86

0.01

C354

CR-790A

S-817B33AMC

IC11

GND

VIN

VOUT

C352

C353

0.01

C351

10k

R32

10k

R31

0.1

C33

KIC7W14FK

IC9

1
2
3
4

KDS4148U

C99

C96

C97

C98

C95

0.1

C356

0.1

C355

TC74LCXR164245

IC10

1DIR

1B1

1B2

GND

1B3

1B4

VCCB

1B5

1B6

GND

1B7

1B8

2B1

2B2

GND

2B3

2B4

VCCB

2B5

2B6

GND

2B7

2B8

2DIR

2OE

2A8

2A7

GND

2A6

2A5

VCCA

2A4

2A3

GND

2A2

2A1

1A8

1A7

GND

1A6

1A5

VCCA

1A4

1A3

GND

1A2

1A1

1OE

0.001

C52

47p

C336

470p

C341

100k

R123

100k

R122

100k

R121

100k

R120

100k

R119

KTC2875

KDS122

2.2

C94

2.2

C92

2.2

C91

2.2

C93

PC357N6J000F

IC6

47k

R89

100

R38

0.1

47k

R49

0.001

C105

56k

R36

180k

R37

3.9

FRONT
unit
SP1

CP3

CP23

CP2

CP22

0.001

C104

0.01

C107

0.01

C35

0.01

C106

0.1

C21

LM2904PWR

IC2

1
2
3
4

3.3k

R24

CP5

CP7

CP6

0.001

C339

10k

R35

R43

12K

6.8k

R26

100k

R22

10k

R25

R23

R47

R102

M30622MEP

IC1

P94/DA1

P93/DA0

P92/TB2IN

P91/TB1IN

P90/TB0IN

BYTE

CNVSS

P87/XCIN

P86/XCOUT

RESET

XOUT

VSS

XIN

VCC1

P85/NMI

P84/INT2

P83/INT1

P82/INT0

P81/TA4IN/U

P80/TA4OUT/U

P77/TA3IN

P76/TA3OUT

P75/TA2IN/W

P74/TA2OUT/W

P73/CTS2/RTS2/TA1IN/V

P72/CLK2/T

A1OUT/V

P71/RXD2/SCL2/T

A0IN/TB5IN

P70/TXD2/SD

A2/T

OUT

P67/TXD1/SD

P66/RXD1/SCL1

P65/CLK1

P64/CTS1/R

TS1/CTS0/CLKS1

P63/TXD0/SD

P62/RXD0/SCL0

P61/CLK0

P60/CTS0/R

TS0

P57/TD

Y/CLK

OUT

P56/ALE

P55/HOLD

P54/HLD

P53/BCLK

P52/RD

P51/WRH/BHE

P50/WRL/WR

P47/CS3

P46/CS2

P45/CS1

P44/CS0

P43/A19

P42/A18

P41/A17

P40/A16

P37/A15

P36/A14

P35/A13

P34/A12

P33/A11

P32/A10

P31/A9

VCC2

P30/A8

VSS

P27/AN27/A7

P26/AN26/A6

P25/AN25/A5

P24/AN24/A4

P23/AN23/A3

P22/AN22/A2

P21/AN21/A1

P20/AN20/A0

P17/D15/INT5

P16/D14/INT4

P15/D13/INT3

P14/D12

P13/D11

P12/D10

P11/D9

P10/D8

P07/AN07/D7

P06/AN06/D6

P05/AN05/D5

P04/AN04/D4

P03/AN03/D3

P02/AN02/D2

P01/AN01/D1

P00/AN00/D0

P107/AN7/KI3

P106/AN6/KI2

P105/AN5/KI1

P104/AN4/KI0

P103/AN3

P102/AN2

P101/AN1

VSS

P100/AN0

VREF

VCC

P97/ADTRG/SIN4

P96/ANEX1/SOUT4

100

P95/ANEX0/CLK4

GND

C2-

C1-

NMEAI+

to CHASSIS
unit W1

to microphone
HM-126

EXTRXD

EXTTXD

GND

NMEAI-
NMEAO

C1+

XOUT

XIN

VOUT

COMTXD

/NMEAI

COMRXD

DSDM DSDM

DSD70 DSD70

BEEP

PSTB

EXTSTB

OPSTB

RCV

SEND

PWRON

FOG

FOGC

GND

RESET

NMTXD

BUSY

HAIL

CH16

LO/DX

CLR

DTRS

DIM2

DIM1

DIM0

HI/LO

DIALB

DIALA

CH/WX

SCAN

ENT

PWR

CNVSS

C3-

C2+

C3+

DB1
DB2

DB0

DB3

DB6
DB7

DB4
DB5

RD
WR

CS1B

RESETB

LEDV

LED

VOL1
VOL2

SP+

PWR

HANG

CLORXD

GND

SQLV

CLOTXD

CLO

TXD

NMRXD

PCK

DIM2

DIM1

DIM0

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

SQL

LBA

TXDET

SQL

WXDEC

MODEL

ENT
CH/WX
SCAN
HI/LO

BE
UNLK
OPTIN

CS1B
RESETB
RS
WR

DIALB
DIALA

DIM3

CH16

LO/DX

HAIL

CLR

DTRS

EVCK

EVD

PTT

HANG

TDEC

ECK

COMRXD

COMTXD

SCLK

NMTXD

CLORXD

EXTOE

EXT

EPM

EDATA

WXDEC

SQL

LBAT

EXTRXD

OPSTB

FOGC

PSTB

BEEP

EXTSTB

SEND

UNLK

PWRON

SP+

OPTIN

EVCK

EXTOE

RCV

DSCENC

PDATA

FOG

GND

PCK

EXTTXD

ICF3

SP-

GND

EVDATA

DSD70

VOL2

MICG

VOL1

DSDM

MIC

EXTRXD

EXTTXD

ICF3

MICG

MIC

TXDET

VCC

ICF3

NMEAI

S5V

WXDEC

SQL

OPSTB

FOGC

PSTB

BEEP

EXTSTB

SEND

UNLK

PWRON

SP+

OPTIN

EVCK

EXTOE

RCV

PDATA

FOG

PCK

SP-

EVDATA

DSD70

VOL2

VOL1

DSDM

TXDET

S5V

MICG

MIC

KEYM

NMRXD

PTT

SCLK

3.3V

V4
V3
V2
V1
V0

L5V

BPFV

DB2

DB6

RW_WR

DB3

DB7

DB0

DB4

VDD

DB1

DB5

E_RD

CS1B

RESETB

PTT

VOL1
VOL2

HANG

SP-

MICG
MIC

GND

KEY

DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0

CS1B

RESETB

DB7

DB3

DB6

DB2

DB5

DB1

DB4

DB0

RESETB

CS1B

CMPWR

DIALA
DIALB

VOLG

ENT

GND

SQLV

S5V

VOL1
VOL2

DIALA
DIALB

VOLG

to AF
unit J1

to
LCD

DIALA
DIALB

ENT

GND

DIALA
DIALB

ENT

GND

COM

TP90N1007AE20

DIAL BOARD

LOGIC BOARD

SQL BOARD

VR BOARD

TP96N97

S5V

SQLV

GND

TP96N97

VOL2

VOL1

VOLG

3.3V

5.0V

BACKLIGHT

MAX 8.4V

MIN 5.3V

BACKLIGHT
MAX 2.6V
MIN 1.6V

5.0V

9.8304MHz

4.4V

13.8V

5.0V

13.8V

4.9V

SECTION 11

VOLTAGE DIAGRAMS

11 - 1

11-1 FRONT UNIT

Summary of Contents for IC-M504

Page 1: ...SERVICE MANUAL VHF MARINE TRANSCEIVER S 14225HZ C1 q Dec 2006 ...

Page 2: ...when the transceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver To upgrade quality all electrical or mechanical parts ...

Page 3: ...PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2 5 3 TRANSMIT ADJUSTMENT 5 3 5 4 RECEIVE ADJUSTMENT 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMICONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 AF UNIT 9 1 9 2 MAIN UNIT 9 1 9 3 HM 126B G 9 3 9 4 VR BOARD 9 3 9 5 SQL BOARD 9 3 9 6 DIAL BOARD 9 3 9 7 LOGIC BOARD 9 3 SECTION 10 BLOCK DIAGRAM SECTION 11...

Page 4: ...er More than 70 dB Audio harmonic distortion Less than 10 at 60 deviation Residual modulation More than 40 dB Audio frequency response 1 dB to 3 dB of 6 dB oct from 300 Hz to 2500 Hz Microphone impedance 2 kΩ M RECEIVER Receive system Double conversion superheterodyne system Intermediate frequencies 1st IF 21 7 MHz 2nd IF 450 kHz Normal RX 1st IF 31 05 MHz 2nd IF 450 kHz CH70 RX Sensitivity 13 dBµ...

Page 5: ...5 1 5 2 2 6 5 1 A 5 6 A 5 6 5 7 2 6 5 1 5 7 2 6 5 1 5 2 3 6 5 1 5 2 9 0 6 1 7 6 2 7 6 5 7 3 6 5 1 5 7 3 6 5 1 8 6 8 6 5 2 4 6 5 1 5 2 4 6 5 1 9 6 9 6 5 7 4 6 5 1 5 7 4 6 5 1 0 7 3 0 7 3 5 2 5 6 5 1 5 2 5 6 5 1 1 7 1 7 5 7 5 6 5 1 5 7 5 6 5 1 2 7 2 7 5 2 6 6 5 1 5 2 6 6 5 1 3 7 3 7 5 7 6 6 5 1 5 7 6 6 5 1 4 7 4 7 5 2 7 6 5 1 5 2 7 6 5 1 7 7 1 7 7 1 5 7 8 6 5 1 5 7 8 6 5 1 5 2 9 6 5 1 5 2 5 1 6 1 A ...

Page 6: ... Normal RX IC2 TA31136FNG FM IF IC CH70 RX IC14 TA31136FNG RX VCO TX CH70 RX VCO APC circuit Q14 KTA2015 Q15 FMW1 PLL IC IC1 µPD3140GS Antenna switch D14 D21 L308CCB 1st mixer Normal channels D32 HSB88WS LOGIC BOARD MAIN UNIT AF UNIT AF power amplifier IC9 LA4425A AF power amplifier for hailer IC14 LA4485 E Microphone amplifier IC7 NJM4558M Electric volume IC13 M62429FP S5V regulator IC10 KIA7805A...

Page 7: ...AF unit J2 J5 D A A D B Removing the LOGIC board 1 Disconnect 3 connectors from J6 J4 and J3 2 Unsolder 2 points A 3 Unscrew 7 screws B and remove the LOGIC board from the front panel Removing the MAIN unit 1 Disconnect the flat cable A from J2 2 Unsolder 14 points B 3 Unscrew 6 screws C and remove the MAIN unit from the chassis Removing the AF unit 1 Disconnect 2 flat cables A from J1 and J2 2 Di...

Page 8: ...from the VCO Q72 D51 D52 The converted 1st IF signal is amplified by the 1st IF amplifier Q22 Q23 and passed through two 1st IF filters FI1 FI2 to filter out adjacent signals The filtered 1st IF signal is amplified by the 1st IF amplifier Q24 then applied to the FM IF IC IC2 pin 16 4 1 4 2nd IF AND DEMODULATOR CIRCUITS MAIN UNIT The 1st IF signal is converted into the 2nd IF signal and demodulated...

Page 9: ...tion circuit modulates the VCO oscillating signal with the AF signals from the microphone The MIC signals from the microphone amplifier circuits are applied to the D2 of TX CH70 RX VCO Q4 Q5 D1 D3 and modulate the VCO oscillating signal by changing the reactance of D2 The modulated VCO output signal is buffer amplified by Q6 and Q7 then applied to transmit amplifiers as a transmit signal via the T...

Page 10: ...vided at the prescaler and programmable counter according to the PDATA signal from the CPU LOGIC BOARD IC1 pin 49 The divided signal is phase compared with the reference frequency signal from the reference frequency oscillator X1 at the phase detector The phase difference is output from pin 8 as a pulse type signal after being passed through the internal charge pump The output signal is converted ...

Page 11: ...from pin 9 The demodulated signals are applied to the DSC filters AF UNIT IC12 and AF circuits 4 4 4 DSC DECODE AF UNIT The demodulated signals from FM IF IC MAIN UNIT IC14 pin 9 are filtered at the LPF IC12 pins 1 3 and HPF IC12 pins 5 7 to extract the DSC signal The filtered signals are applied to the DSC decoder IC IC15 pin 2 The decoded DSC signal is output from pin 7 then applied to the CPU L...

Page 12: ... S4 Low When the key is pushed 53 SCAN Input port for the SCAN key LOGIC UNIT S3 Low When the key is pushed 54 H L Outputs transmit power select signal to the TX power controller MAIN UNIT Q17 High 25 W Low 1 W Pin No Port Name Description 58 UNLK Input port for PLL unlock signal from the PLL IC MAIN UNIT IC1 pin 7 High While the PLL is unlocked 59 OPTIN Input port for optional unit attachement de...

Page 13: ...Measuring range 10 mV to 10 V FM deviation meter Frequency range 30 300 MHz Measuring range 0 to 10 kHz External speaker Input impedance 4 Ω Capacity More than 5 W Audio generator Frequency range 300 3000 Hz Output level 1 500 mV Attenuator Power attenuation 40 or 50 dB Capacity More than 30 W 5 1 PREPARATION To the antenna connector To DC power connector Standard signal generator 0 1 µV to 32 mV ...

Page 14: ... check point CP1 1 3 2 3 V Verify LOCK VOLTAGE DSC receive 1 Receiving MAIN Connect a digital multi meter or oscilloscope to the check point CP1 1 3 2 3 V MAIN Verify REFERENCE FREQUENCY 1 Channel CH16 156 800 MHz Output power Low Connect a power meter to the ant enna connector Transmitting Rear Panel Loosely couple a fre quency counter to the antenna connector 156 800 MHz 500 Hz MAIN C12 2EFERENC...

Page 15: ...156 800 MHz Output power Low Connect an audio generator to the MIC line see the page 5 1 and set as Frequency 1 kHz Level 30 mV Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 Transmitting Rear Panel C o n n e c t a n F M d ev i a t i o n m e t e r t o t h e a n t e n n a connector through an attenuator 4 25 4 35 kHz MAIN R327 5 3 TRANSMIT ADJUSTMENT 2 EVIATION ADJU...

Page 16: ...TIVITY except the signal level Level 4 dBu 111 dBm Receiving External speaker Squelch open MAIN Turn R214 clockwise to close the squelch T h e n t u r n R 2 1 4 counter clockwise to set the point where the squelch opens RECEIVE SENSITIVITY DSC receive 1 SQUELCH Max counterclockwise Connect an SSG to the antenna connector and set as RECEIVE SENSITIVITY except the frequency Freqency 156 525 MHz CH70...

Page 17: ... B 120 5 39 R82 7030003440 S RES ERJ3GEYJ 102 V 1 k B 124 7 39 1 R83 7030003580 S RES ERJ3GEYJ 153 V 15 k B 122 6 38 4 R84 7030003440 S RES ERJ3GEYJ 102 V 1 k B 122 6 39 7 R85 7030003680 S RES ERJ3GEYJ 104 V 100 k B 61 6 58 4 R86 7030003210 S RES ERJ3GEYJ 120 V 12 B 64 4 54 4 R87 7030003520 S RES ERJ3GEYJ 472 V 4 7 k B 63 50 4 R88 7030003680 S RES ERJ3GEYJ 104 V 100 k B 67 8 49 5 R89 7030003640 S ...

Page 18: ...6110001600 COL LA 243 L31 6110001600 COL LA 243 L32 6200007360 S COL ELJND R47J T 18 8 35 L35 6150003821 COL LS 440 LF L36 6150003821 COL LS 440 LF L37 6200007360 S COL ELJND R47J T 12 6 14 5 L38 6150003821 COL LS 440 LF L39 6150003821 COL LS 440 LF L40 6130003000 S COL 617DB 1714 P3 T 37 1 5 6 L41 6130003000 S COL 617DB 1714 P3 T 48 9 5 6 L42 6200010440 S COL C2520C 1R2G A 1 2U T 57 9 8 5 L43 620...

Page 19: ... 10 k T 62 45 7 R383 7030003440 S RES ERJ3GEYJ 102 V 1 k T 61 3 44 4 R384 7030003440 S RES ERJ3GEYJ 102 V 1 k T 35 5 31 9 R385 7030003460 S RES ERJ3GEYJ 152 V 1 5 k T 35 5 30 6 R386 7030003680 S RES ERJ3GEYJ 104 V 100 k T 107 8 43 R498 7030003620 S RES ERJ3GEYJ 333 V 33 k T 14 1 26 9 R499 7030003580 S RES ERJ3GEYJ 153 V 15 k T 13 1 29 5 MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION R501 703...

Page 20: ...68 4030017420 S CER ECJ0EC1H470J T 67 3 56 4 C373 4030017400 S CER ECJ0EC1H220J T 88 54 4 C374 4030017400 S CER ECJ0EC1H220J T 86 9 54 4 C375 4030017430 S CER ECJ0EC1H101J T 87 58 6 C376 4030017730 S CER ECJ0EB1E471K T 88 58 6 C379 4030017430 S CER ECJ0EC1H101J T 80 1 57 9 C380 4030017730 S CER ECJ0EB1E471K T 80 1 57 MAIN UNIT REF ORDER DESCRIPTION M H V NO NO LOCATION C390 4030016930 S CER ECJ0EB...

Page 21: ... H V NO NO LOCATION R306 7030003800 S RES ERJ3GEYJ 105 V 1 M T 36 1 31 1 R307 7030003440 S RES ERJ3GEYJ 102 V 1 k B 61 1 19 2 R308 7030003770 S RES ERJ3GEYJ 564 V 560 k B 67 3 26 4 R309 7030003680 S RES ERJ3GEYJ 104 V 100 k B 66 6 22 3 R311 7030003520 S RES ERJ3GEYJ 472 V 4 7 k B 63 22 1 R312 7030003610 S RES ERJ3GEYJ 273 V 27 k B 67 3 29 5 R313 7030003680 S RES ERJ3GEYJ 104 V 100 k B 71 1 31 R314...

Page 22: ...04601 ELE 16 ME 1000 HC C370 4030011600 S CER C1608 JB 1E 104K T T 13 9 53 8 C375 4030016930 S CER ECJ0EB1A104K T 49 3 32 3 C377 4030017420 S CER ECJ0EC1H470J T 2 4 50 9 C378 4030017460 S CER ECJ0EB1E102K T 3 3 50 9 C381 4510008500 S ELE EEE1CA101WP T 11 2 20 2 C382 4030016790 S CER ECJ0EB1C103K T 9 9 24 3 C383 4030011600 S CER C1608 JB 1E 104K T T 9 8 25 4 C384 4030011600 S CER C1608 JB 1E 104K T...

Page 23: ...96N97 15SK 10KB 2685 1 ORDER NO REF NO DESCRIPTION QTY ACCESSORIES W1 8900009041 Cable OPC 891A 1 EP1 6910013530 Bead ZCAT2035 0930A BK 1 MP1 8010018154 2345 mobile bracket 4 ZK Black 1 8010020464 2345 mobile bracket C 4 Gray 1 MP2 8810001490 Screw PH A M5 20 SUS 4 MP3 8850000180 Flat washer M5 SUS 4 MP4 8850000500 Spring washer M5 SUS 4 MP5 8610010561 2040 knob bolt 1 Black 2 8820001271 2040 knob...

Page 24: ...1 S R1 V MP3 F MP7 F MP6 F MP9 F MP23 F AF UNIT VR BOARD DIAL BOARD SQL BOARD LOGIC BOARD MAIN UNIT S1 D MC1 F MP1 F MP21 F MP21 F MP21 F MP10 F Unit abbreviations C CHASSIS PARTS M MAIN UNIT A AF UNIT F FRONT PARTS L LOGIC BOARD V VR BOARD S SQL BOARD D DIAL BOARD R1 V R1 S S1 D MP1 L DS1 L MP4 L MP2 L MP42 C MP5 C MP42 C MP42 C MP42 C MP3 C MP4 C MP41 C MP5 C MP1 C MP5 C MP42 C MP5 C MP11 F MP11...

Page 25: ...C MP14 C MP2 C MP5 C MP8 C MP15 C MP16 C MP9 C MP21 C MP18 C MAIN UNIT MP1 C SP1 M MP17 C CHASSIS PARTS W1 8900014820 Cable OPC 948 Gray 1 8900013590 Cable OPC 949 Black 1 MP1 8210022750 2352 front panel 1 Gray 1 8210021410 2352 front panel A 1 Black 1 MP2 8210020380 2352 rear panel Gray 1 8210020120 2352 rear panel A Black 1 MP3 8930052160 2352 key 1 MP4 8930052150 2352 PTT rubber 1 MP5 893005214...

Page 26: ...A PCK EXTOE OPTIN 6 1 to CHASSIS unit W3 J6 ICF3 EXTRXD EXTTXD PTTC MICG AF MIC 2 1 to CHASSIS unit W1 J11 SP SP HAILO 2 1 to CHASSIS unit W2 J12 HAILO DETO 14 13 2 1 to option SCRAMBLER unit J3 MICO DETI MICI OPSTB SDATA SCK GND GND GND SCON OPTIN GND 5V HV GND to MAIN unit J1 to CHASSIS unit W1 GND GND HV HV SECTION 9 BOARD LAYOUTS 9 1 9 1 AF UNIT TOP VIEW H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 ...

Page 27: ...15 H120 H125 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V60 HV 1 4 to AF unit CP11 CP14 J1 HV GND GND 9 2 BOTTOM VIEW MAIN UNIT H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V60 BOTTOM VIEW AF UNIT ...

Page 28: ... 3 1 to LOGIC board J3 W1 SQLV S5V SQL 9 5 SQL BOARD TOP VIEW H5 H10 H0 V5 V10 V15 V0 GND 4 1 to LOGIC board J3 W1 DIALB DIALA GND DIAL 9 6 DIAL BOARD TOP VIEW H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H125 H130 H135 H140 H145 H150 H155 H0 V5 V10 V15 V0 V25 V30 V35 V20 V45 V50 V55 V40 V65 V70 V75 V60 V80 LO DX 16 CH WX SCAN H L POWER HAIL C...

Page 29: ...0 V55 V40 V65 V70 V75 V60 V80 1 2 to Microphone HM 126 J6 KEY GND 1 8 to Microphone HM 126 J4 NC PTT HANG MICG MIC SP NC AF 1 10 to DIAL SQL VR boards J3 GND DIALA DIALB ENT S5V SQLV GND VOL1 VOL2 VOLG 1 to AF unit J1 2 39 40 J1 OPSTB EXTSTB PSTB UNLK EXTRXD MIC MICG TXDET SQL BPFV EVCK FOG VOL2 VOL1 RCV GND NC VCC SP SP OPTIN EXTOE PCK PDATA EXTTXD ICF3 DSCENC DSD70 DSDM WXDEC EVDATA FOGC BEEP GN...

Page 30: ...P FM FI6 LT450EW BUFF IC14 TA31136FN 2ND IF 2ND 31 05MHz Q63 KTC3880S FI4 FL 372 Q64 KTC4080 SHIFT Q2 KRC404 D1 D2 MA77x2 R10V Normal channels R10V R10V NMEAI NMEAO NMEAI Q37 KRA304 IC29 NMEAO VCC NMEAI IC6D IC6C EXT SP OPTION NMEAI SAFO EXT SP HAIL ICF3 NJM2107F PTTC POWER DIVIDER D14 D21 L308CCBx2 RF OUT DET VOL M62429FP EL IC13 IC14 LA4485 HV Q61 TPC6104 Q62 KRC404 R10V Q52 KRC404 S5V Q54 KTC40...

Page 31: ...2 TAOUT 29 P67 TXD1 SDA1 30 P66 RXD1 SCL1 31 P65 CLK1 32 P64 CTS1 RTS1 CTS0 CLKS1 33 P63 TXD0 SDA0 34 P62 RXD0 SCL0 35 P61 CLK0 36 P60 CTS0 RTS0 37 P57 TDY CLKOUT 38 P56 ALE 39 P55 HOLD 40 P54 HLDA 41 P53 BCLK 42 P52 RD 43 P51 WRH BHE 44 P50 WRL WR 45 P47 CS3 46 P46 CS2 47 P45 CS1 48 P44 CS0 49 P43 A19 50 P42 A18 51 P41 A17 52 P40 A16 53 P37 A15 54 P36 A14 55 P35 A13 56 P34 A12 57 P33 A11 58 P32 A...

Page 32: ...22 C317 100 C381 LA4425A IC9 1 2 3 4 5 100k R243 0 01 C247 1M R270 100k R260 1M R247 1 C260 100k R278 2 2 C448 0 001 C293 0 01 C292 0 0068 C323 10k R325 NTCG16 R324 15k R326 1 C250 1 C249 0 47 C453 J3 0 01 C589 0 0022 C587 0 1 C588 0 0047 C313 820p C312 56p C314 12p C306 270p C303 47p C318 0 1 C301 0 01 C351 0 1 C423 47p C425 47p C424 KRC404 Q62 0 R298 2SB1143 Q71 XP6501 Q72 1 2 3 4 5 6 10k R592 1...

Page 33: ...C111 470p C49 0 001 C550 0 001 C195 5p C32 L57 15µ 0 001 C617 180 R46 0 1 C156 HSB88WS D32 HSM88ASR D12 150 R563 100 R625 LW 25 L20 10k R173 2 2k R609 10 R89 2SC4226 Q10 2p C517 0 001 C521 R107 220 39 R158 2 2k R534 0 01 C2 0 001 C535 2 7µ L3 68n L15 10 C21 0 1 C390 47 R504 10p C527 0 001 C126 0 001 C367 LA 243 L21 0 R70 0 1 C501 3 3k R9 0 01 C533 8 2k R43 330 R202 2 2k R83 Q58 PMBFJ310 KTC4075 Q5...

Page 34: ...ICOMAMERICA COM USTOMER 3ERVICE 0HONE LENWOOD ENTRE IGHWAY ELTA 6 ANADA 0HONE AX 52 HTTP WWW ICOMCANADA COM MAIL INFO ICOMCANADA COM 5NIT ARDEN 2OAD LAYTON 6 USTRALIA 0HONE AX 52 HTTP WWW ICOM NET AU MAIL SALES ICOM NET AU ARRIS 2OAD AST 4AMAKI UCKLAND EW EALAND 0HONE AX 52 HTTP WWW ICOM CO NZ MAIL INQUIRIES ICOM CO NZ 2OOM TH LOOR ONG 3ILVER ANSION O 9ONG ING 2OAD AIDIAN ISTRICT EIJING HINA 0HONE...

Page 35: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14225HZ C1 q 2006 Icom Inc ...

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