Icom IC-F30GT Service Manual Download

Page: 34 / 38

11 - 1

SECTION 11

BLOCK DIAGRAM

IC2
TC75S51F

MIC
AMP

136-174 MHz

D2
MA713

2SK2974

D1, D24, D25

MA77

2SK2973

2SC4226

MAIN UNIT

VCO
SW

VCOS

D4, D5: MA77

2SC4215

DTC144EU

Q10

XP1214

RX VCO

Q13

XP6501

Q11: 2SC4226
D6, D40–D42: HVC350B

Q12: 2SC4226
D8, D43–D45: HVC350B

S5V

LVIN

BUFF

Q14

2SK880

IC1

SA7025

CR-667

IC2

TC75S51F

TCXO

MOD

NOIS

FRACTIONAL N

15.6 MHz

31.2 MHz

DSIN

Q15
2SC4116

SECOND MIXER
IF AMP

MOD

TX VCO

1T365

TA31136FN (D)

IC3

CDBCA450CX24

2SC4215

Q18

2SC4215

FI1

FL-322

31.65 MHz

W/N

W/N
SW

Q17 2SC4116
Q16 DTA144EU

Q19
3SK206

D19

HVC375B

D18

HVC375B

RSSI

Q21

2SK1829

D20

HVC375B

PWR
DET

IC4

TC75S51F

D21

HVC375B

MUTE

TMUT

Q22

DTA144EU

UNIVERSAL
CONNECTOR

CONNECTOR

IN/EXT
MIC SW

XTXD, XRXD, RES

VCC

IC19
BU4053BCFV

DETECT

PTT

MIC

AFOUT

AFON
AFMT

MICI

Q20

3SK293

PTT/MD1

IC13
DA3

IC19

BU4053BCFV

AF AMP

REG

VCC

W/N

MIXER

Q23 2SB1132 R
Q24 XP6501

Q26

DTC144EU

W/N

FSW

IC7C
NJM2902V

FIL
SW

FI2

Q27

2SC4212

SFPC450E

W/N

DETECTOR

SQL AMP

W/N

D15
DAN202U

D16

DAN202U

FI3

RSSI

SFPC450G

FRCN

IC13
M62364FP

SPLO
MOD

D/A

T1
T2
T3
T4

IC10

NJM2902V

COMPRE-

MSK
MOD

MSK

DEMOD

EXPAN-
DER

COMPANDER

IC5
TA7368F

NJM2902V

IC9 TC35453F

IC13
DA1

SIG1, SIG2,
CTCS, TONE

VOX

PTIN

PTOT

CR-681

IC18

IC7B

12.288 MHz

SHIFT

SP
SW

SP+

SP–

MIC+

D27
MA77

SPCN

Q6, Q7
CPH3403
Q8
2SC4081

INT MIC

INT SP

PTT

EM-140

MC1

LCD MODULE

IC1

TC74VHC373FT

RDB WRB RESB

D0-D7

Q9
DTC144EU

CPU

BATT

POWER SW

FUSE

VOXT

TA75S01F

IC13
DA2

IC15

BEP1 BEP2
TONE

VCC

BEEP

SSOR

MCIN

Q47

2SC4081

MCOT

CR-563
3.58 MHz

REM

MSKE

TRD

DIN

REGS1
REGS2
RTM
RDT
FCLR

D/A

IC27
M62334

SCL
SDA

SCK
APST

OPTION

DTMF

UNIT

BEP1

SIG1

DTSD
DTAC
DDST

CIRQ
SI

LC73872M

OSCI

IC17

DECODE

DTPD

SO
SCK

DAST

AFON

OPTION

UNIT

PTIN
PTOT

MCIN

MCIN
MCOT

MCOT

SIG2

BEP2

RMUT
MMUT

CCS

OPV11
OPV12
OPV13
OPV21
OPV22
OPV23

SCK
OPT11
OPT12
OPT13

OPT21
OPT22
OPT23

FIL
SW

DUSE

CTCS

Q41

DTC144EU

Q40

IC13
DA4

XP1214

IC7D

NJM2902V

CTCSS

DTCS

IC30
TC7S66FU
Q44
DTC144EU

CTDA

+5
CPU

+5
REG

R5
REG

+5V

R5V

Q32 2SB1132
Q33 XP6501

Q30 2SA1362

Q31 2SA1362

AN8005M

RESET

CPU5V

RES

IC12

SO
SCK
EXST

IC23

RESB

T5C R5C

BUSY
DTPD
DUSE

IC14

HD64F2238

S-80942ANMP

MSCK
MSO

CB10
CB11

LED SW

MATRIX

KEY

EXPAND

D0-D7

KS0-3

KR0-3

FRST

KEY
LED
SW

VCC

2SC4116BL

BUSY

Q1, Q2

DS1-4
DS6-9
DS11-12
DS14-15

LN1371G-(TR)

VCC

FRONT UNIT

TX LED
DS5
LN210C6ARA

BUSY LED

DS13
LMJ310M6RA

VCC

SELECT

CB12
CB13

EC10SP16-47

Q3 DTC144TE

LED SW

Q4 DTC144TE

EEPROM

IC16

EXP-
ANDER

W/N
FSW

EEPROM

IC24

HN58X2464TI

S5C
AFMT

SPCN

BU4094BCFV

S5
REG

T5
REG

S5V

T5V

Q29 2SA1362

RXDT

DATA

LPF

IC31

SDEC

TC75S51F

RESTO-
RATION

DATA
LPF

NJM2904V

IC20B

IC20A

NJM2904V

PTIN
PTOT

Explanatory notes

COMMON LINE

TX LINE

RX LINE

CONTROL LINE

SQIN

DSIN

CSFT

DRIVE
AMP

PLL IC

LPF

BPF

LOOP
FILTER

RIPPLE
FILTER

BUFF

TX/RX

AMP

XTAL

BPF

YGR
AMP

ATT

BPF

GATE

CTRL

AMP

PRE

DRIVE

PWR
AMP

APC
AMP

BPF

ANT
SW

LPF

AF
AMP

AMP

LPF

AMP

LIMIT
AMP

AMP

HPF

LPF

AMP

BUFF

HPF

LPF

AMP

BPF

HPF

AMP

CERAMIC

BPF

CERAMIC

BPF

LPF

MIC

Summary of Contents for IC-F30GT

Page 1: ...VHF TRANSCEIVER iC f30gt iC f30gs iC f3 1 gt iC f3 1 gs...

Page 2: ...l before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoo...

Page 3: ...4 5 POWER SUPPLY CIRCUITS 4 5 4 6 CPU PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 4 5 3 SOFTWARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANI...

Page 4: ...IA 603 ETS 300 086 GEN 136 000 174 000 MHz 16K0F3E 25 kHz Wide 8K50F3E 12 5 kHz Narrow 14K0F3E 20 kHz Moddle 8K50F3E 12 5 kHz Narrow Max 256 ch 16 channels 16 banks 7 2 V DC negative ground supplied b...

Page 5: ...ne switch IC19 BU4053BCF 2nd IF filter 450 kHz FI2 SFPCA450KE4A FI3 SFPCA450KG1A Discreminator X2 CDBCB450KCA24 450 kHz T5 regulator Q29 2SA1362 R5 regulator Q30 2SA1362 S5 regulator Q31 2SA1362 5 reg...

Page 6: ...ake off the flexible cable in the direction of the arrow e Unscrew 8 screws F 2 3 mm black to separate the shield plate q Unsolder 2 points G w Unscrew 2 nuts H e Unscrew 6 screws I 2 4 mm silver and...

Page 7: ...r circuit Q19 to produce a 31 65 MHz 1st IF signal The 1st IF signal is passed through a monolithic filter FI1 in order to obtain selection capability and to pass only the desired signals The filtered...

Page 8: ...r DTCS decoder inside of the CPU IC14 pin 46 via the RXDT line to control the AF mute switch via the I O expander IC IC23 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amp...

Page 9: ...Q7 and then applied to the PLL IC IC1 pin 5 The PLL IC contains a prescaler programmable counter programmable divider and phase detector etc The entered signal is divided at the prescaler and programm...

Page 10: ...data bus line signals and is then output from the compounder IC IC9 pin 6 In case of the FFSK signal is used for the PM modulation the FM PM switch IC29 is changed to pin 3 In case of the FFSK signal...

Page 11: ...port for data signals from to EEPROMs IC16 IC24 Outputs beep audio signals Outputs clock signal to EEPROMs IC16 IC24 Outputs clock signal to the D A con verter IC27 SO DAST DTAC SENC CTDA SDEC RXDT A...

Page 12: ...desired IBM is a registered trademark of International Bussiness Machines Corporation in the U S A and other countries Microsoft and Windows are registered trademarks of Microsoft Corporation in the...

Page 13: ...1 18 V REF 112 70h 2 20V MOD BAL 90 5Ah 1 76 V Dev 45 2Dh 0 88 V CTCSS 76 4Ch 1 49 V SQL Lev 0 00h 1 18 V CH No 01 RX Freq 155 000 TX Freq RF Power Low1 Mode Wide Transceiver s connection state Reload...

Page 14: ...io generator Connection to the antenna connector RF power meter 0 1 10 W 50 Frequency counter Attenuator 40 dB or 50 dB FM deviation meter Standard signal generator 0 1 V to 32 mV 127 dBm to 17 dBm CA...

Page 15: ...smitting MAIN Connect a digital multi meter or an oscillo scope to the check point LV 1 2 V 1 0 V 3 0 4 5 V MAIN C372 C373 Verify ADJUSTMENT ADJUSTMENT CONDITIONS UNIT LOCATION VALUE UNIT ADJUST MEASU...

Page 16: ...and set as 1 0 kHz 150 mVrms Transmitting IF bandwidth Narrow Transmitting Operating freq 155 000 MHz Output power Low1 IF bandwidth Wide CTCSS 88 5 Hz DTCS code 007 No audio applied to the MIC input...

Page 17: ...tion 1 kHz Deviation 3 5 kHz A 2 8 kHz B Receiving Operating freq 155 000 MHz IF bandwidth Wide Connect an SSG to the antenna con nector and set as Frequency 155 000 MHz Level 0 2 V 121 dBm Modulation...

Page 18: ...Y105R T C9 4550006150 S TANTALUM ECST1CY105R T C10 4550006150 S TANTALUM ECST1CY105R T C11 4550006150 S TANTALUM ECST1CY105R T C12 4030014180 S CERAMIC ECUE1H470JCQ T C13 4030014180 S CERAMIC ECUE1H47...

Page 19: ...ODE MA2S111 TX B M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount 6 2 REF ORDER DESCRIPTION M NO NO GT IC F30GT F31GT GS IC F30GS F31GS F30G IC F30GT F30GS F31G IC...

Page 20: ...rface mount R115 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k B R116 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k B R117 7030008280 S RESISTOR ERJ2GEJ 271 X 270 B R118 7030005090 S RESISTOR ERJ2GEJ 104 X 100...

Page 21: ...170 S RESISTOR ERJ2GEJ 474 X 470 k B R332 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k T R333 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k B M Mounted side T Mounted on the Top side B Mounted on the Bottom si...

Page 22: ...ted on the Bottom side safety critical components S Surface mount C161 4030013850 S CERAMIC ECUE1E102KBQ B C162 4030013850 S CERAMIC ECUE1E102KBQ B C163 4030013980 S CERAMIC ECUE1H010BCQ B C165 403001...

Page 23: ...Bottom side safety critical components S Surface mount C360 4030012600 S CERAMIC C2012 JB 1A 105M T B C362 4030017220 S CERAMIC ECUE1E122KBQ B C364 4030014180 S CERAMIC ECUE1H470JCQ T C365 4030014180...

Page 24: ...3GE JPW V B W3 7030003860 S RESISTOR ERJ3GE JPW V T W4 7030003860 S RESISTOR ERJ3GE JPW V B W5 8900009790 CABLE OPC 972 EP1 0910055243 PCB B 5511C M Mounted side T Mounted on the Top side B Mounted on...

Page 25: ...053431 Sponge GP 1 2 MP52 8810000100 Screw PH M2 x 4 ZK 2 MP53 8930053630 Seal O ring AH 1 MP54 8930053680 Spring AG 1 MP55 8810004890 Screw PH No 0 M2 6 ZK 2 MP56 8810005360 Screw PH No 0 M2 3 ZK 8 M...

Page 26: ...P61 C MP20 C MP26 C MP19 C MP5 C MP57 C MP59 C MP41 C MP40 C MP40 C MP40 C MP1 F MP2 F MP3 F W1 F MC1 F MP60 C MP2 M MP6 M MP3 M MP49 C MP52 C MP52 C MP25 C MP59 C MP32 C MP33 C VR w SW CHANNEL SW MP7...

Page 27: ...G D D S S TOP VIEW 2SK880 Y XY G S D 2SK2973 K1 G D S S B E C XP6501 AB 5N E1 B2 E2 C1 C2 B1 B E C 3SK206 T1 U78 U78 3SK293 UF D S G2 G1 UN911H 6P B E C XP1214 9H E1 B1 B2 C1 C2 NAME SYMBOL INSIDE VIE...

Page 28: ...bination of this page and the next page shows the unit layout in the same configuration as the actual P C Board 1 P0 P1 P2 P3 4 7 2 5 8 0 3 6 9 MICROPHONE 9 1 9 1 FRONT UNIT SECTION 9 BOARD LAYOUTS TO...

Page 29: ...SC0 OSC1 VSS PMODE VDD VEE CAP CAP VEE2 1 5 10 15 20 25 30 35 40 VOUT VR2 SCL WRB RDB D0 M86 VS TE RESB CSB RS M S P S V1 V2 V3 NC NC V0 V4 LCD PTT F2 F3 F3 F0 to MAIN unit J3 SPEAKER 9 2 The combinat...

Page 30: ...D0 FRST PTT D5 D4 D3 D2 D1 RDB WRB RS GND RESB VCC KR0 KR1 KR2 KR3 MIC SP GND 5V D7 D6 to FRONT unit J1 1 26 8 7 2 4 5 6 9 AFO VCC DETECT MICE RESET XRXD XTXD MIC PTT 3 1 8 7 2 BDET BATTERY 4 5 6 9 3...

Page 31: ...3 1 1 2 3 4 5 6 INT SP SW AF VR POWER SW CH SELECT PTT MIC XTXD XRXD RESET MICE DETECT VCC AFO BOTTOM VIEW The combination of this page and the previous page shows the unit layout in the same configur...

Page 32: ...030000500 S RESISTOR MCR10EZHJ 10 k 1 R6 7030000190 S RESISTOR MCR10EZHJ 27 270 1 R7 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R8 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R9 7030000590 S RESISTOR MCR10EZHJ 5...

Page 33: ...27 C2 0 1 R7 2 k R8 2 k R9 56 k R10 10 k R4 10 k Q4 2SC2712 GR C3 0 1 Q2 RN2404 R3 27 D1 1SS355 Q3 RN1409 D3 MA8056 M R11 1 k C1 0 1 13 80 V 12 49 V 12 47 V 11 82 V 11 80 V 5 62 V 0 V 0 74 V 0 73 V 0...

Page 34: ...Q9 DTC144EU CPU BATT POWER SW FUSE VOXT TA75S01F F1 IC13 DA2 IC15 BEP1 BEP2 TONE VCC BEEP SSOR MCIN X4 Q47 2SC4081 MCOT CR 563 3 58 MHz REM MSKE TRD DIN REGS1 REGS2 RTM RDT FCLR D A IC27 M62334 SCL SD...

Page 35: ...11 CB12 CB13 PTIN PTIN AF FIL MCOT A MCIN VAG VAG VAG VAG MICI MICI R186 68k R187 4 7k C226 0 047 C227 0 033 R188 100k 5V 5V R172 68k R189 470 Q45 UN911H C230 10 R185 120k Q27 2SC4213 R168 39k R184 12...

Page 36: ...R237 1k C287 47p R236 1k R249 1k C273 47p OPT13 OPT11 OPT12 AUX MSCK MSO PB3 A11 TIOCD3 25 PB4 A12 TIOCA4 26 PE5 D5 1 PE6 D6 2 PE7 D7 3 PD0 D8 4 PD1 D9 5 PD2 D10 6 PD3 D11 7 PD4 D12 8 PD5 D13 9 PD6 D1...

Page 37: ...a Inc Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Icom Canada A B N 88 006 092 575 290 2...

Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13805MZ C1 3 C 2001 2003 Icom Inc...

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