Icom IC-F41GS Servise Manual Download

Page: 21 / 42

[MAIN UNIT]

IC1

1130009130 S.IC

SA7025DK-T

IC2

1130008560 S.IC

TC75S51F (TE85L)

IC3

1110003490 S.IC

TA31136FN (D, EL)

IC4

1130008560 S.IC

TC75S51F (TE85L)

IC5

1110001810 S.IC

TA7368F (TP1)

IC6

1110002750 S.IC

TA75S01F (TE85R)

IC7

1110002750 S.IC

TA75S01F (TE85R)

IC8

1130008560 S.IC

TC75S51F (TE85L)

IC9

1130009330 S.IC

TC35453F (BR, DRY)

IC10

1110002750 S.IC

TA75S01F (TE85R)

IC12

1110003390 S.IC

AN8005M-(E1)

IC13

1190001350 S.IC

M62364FP 600D

IC14

1140010140 S.IC

HD64F2238BFA13

IC15

1110005770 S.IC

S-80942CNMC-G9C-T2

IC16

1140008650 S.IC

HN58X2464TI

IC17

1130009700 S.IC

LC73872M-TRM

IC18

1110002750 S.IC

TA75S01F (TE85R)

IC19

1130009980 S.IC

TC7W53FK (TE85L)

IC20

1110003800 S.IC

NJM2904V-TE1

IC21

1110002750 S.IC

TA75S01F (TE85R)

IC23

1130007570 S.IC

BU4094BCFV-E2

IC24

1140008650 S.IC

HN58X2464TI

IC25

1130009980 S.IC

TC7W53FK (TE85L)

IC26

1130009980 S.IC

TC7W53FK (TE85L)

IC27

1190001340 S.IC

M62334FP 600C

IC28

1130009980 S.IC

TC7W53FK (TE85L)

IC29

1130009980 S.IC

TC7W53FK (TE85L)

IC30

1130007020 S.IC

TC7S66FU (TE85R)

IC31

1130008560 S.IC

TC75S51F (TE85L)

1560001050 S.FET

2SK2974

1560001020 S.FET

2SK2973 (MTS101P)

1530002620 S.TRANSISTOR

2SC3585-T1B R44

1530003310 S.TRANSISTOR

2SC5107-O (TE85R)

1530003310 S.TRANSISTOR

2SC5107-O (TE85R)

1530003310 S.TRANSISTOR

2SC5107-O (TE85R)

1530003310 S.TRANSISTOR

2SC5107-O (TE85R)

1590000430 S.TRANSISTOR

DTC144EUA T106

Q10

1590001400 S.TRANSISTOR

XP1214 (TX)

Q11

1530002920 S.TRANSISTOR

2SC4226-T1 R25

Q12

1530002920 S.TRANSISTOR

2SC4226-T1 R25

Q13

1530002850 S.TRANSISTOR

2SC4116-BL (TE85R)

Q14

1560000540 S.FET

2SK880-Y (TE85R)

Q15

1530002060 S.TRANSISTOR

2SC4081 T106 R

Q16

1590000720 S.TRANSISTOR

DTA144EUA T106

Q17

1530002060 S.TRANSISTOR

2SC4081 T106 R

Q18

1530002600 S.TRANSISTOR

2SC4215-O (TE85R)

Q19

1580000430 S.FET

3SK206-T1 U78

Q20

1580000730 S.FET

3SK293 (TE85L)

Q21

1560000840 S.FET

2SK1829 (TE85R)

Q22

1590000720 S.TRANSISTOR

DTA144EUA T106

Q23

1520000460 S.TRANSISTOR

2SB1132 T100 R

Q24

1590001190 S.TRANSISTOR

XP6501-(TX) .AB

Q26

1590000430 S.TRANSISTOR

DTC144EUA T106

Q27

1530003090 S.TRANSISTOR

2SC4213-B (TE85R)

Q29

1510000580 S.TRANSISTOR

2SA1362-GR (TE85R)

Q30

1510000580 S.TRANSISTOR

2SA1362-GR (TE85R)

Q31

1510000580 S.TRANSISTOR

2SA1362-GR (TE85R)

Q32

1520000460 S.TRANSISTOR

2SB1132 T100 R

Q33

1590001190 S.TRANSISTOR

XP6501-(TX) .AB

Q39

1530002060 S.TRANSISTOR

2SC4081 T106 R

Q40

1590001400 S.TRANSISTOR

XP1214 (TX)

Q41

1590000430 S.TRANSISTOR

DTC144EUA T106

Q43

1530002060 S.TRANSISTOR

2SC4081 T106 R

Q44

1590000430 S.TRANSISTOR

DTC144EUA T106

Q45

1590002530 S.TRANSISTOR

UN911H (TX)

Q46

1590000430 S.TRANSISTOR

DTC144EUA T106

Q47

1530002060 S.TRANSISTOR

2SC4081 T106 R

1750000580 S.DIODE

1SV307 (TPH3)

1790001670 S.DIODE

RB706F-40T106

1790001670 S.DIODE

RB706F-40T106

1790000620 S.DIODE

MA77 (TX)

1790000620 S.DIODE

MA77 (TX)

1720000780 S.VARICAP

HVU350B TRF

1720000400 S.VARICAP

1SV245 (TPH3)

1720000780 S.VARICAP

HVU350B TRF

1720000360 S.DIODE

HSU88TRF

D10

1160000060 S.DIODE

DAN202U T106

D13

1160000050 S.DIODE

DAP202U T106

D14

1160000050 S.DIODE

DAP202U T106

D15

1160000060 S.DIODE

DAN202U T106

D16

1160000060 S.DIODE

DAN202U T106

D17

1790001210 S.DIODE

1SS375-TL

D18

1750000720 S.VARICAP

HVC375BTRF

D19

1750000720 S.VARICAP

HVC375BTRF

D20

1750000720 S.VARICAP

HVC375BTRF

D21

1750000720 S.VARICAP

HVC375BTRF

D22

1790001250 S.DIODE

MA2S111-(TX)

D23

1790001210 S.DIODE

1SS375-TL

D24

1790000620 S.DIODE

MA77 (TX)

D25

1790000620 S.DIODE

MA77 (TX)

D26

1790001280 S.DIODE

MA111 (TX)

D27

1790000620 S.DIODE

MA77 (TX)

D29

1750000550 S.DIODE

1SS355 TE-17

D30

1730002360 S.ZENER

MA8062-M (TX)

D31

1790001280 S.DIODE

MA111 (TX)

D33

1790001280 S.DIODE

MA111 (TX)

D34

1730002360 S.ZENER

MA8062-M (TX)

D35

1730002360 S.ZENER

MA8062-M (TX)

D36

1730002360 S.ZENER

MA8062-M (TX)

D38

1790001280 S.DIODE

MA111 (TX)

D39

1730002590 S.ZENER

MA8033-H (TX)

[L]-F41G

1730002260 S.ZENER

MA8030-H (TX)

other

D40

1790000980 S.DIODE

MA742 (TX)

FI1

2010002310 S.MONOLITH

FL-296 (47.250 MHz)

FI2

2020001490 S.CERAMIC

SFPCA450KE4A-R1

FI3

2020001080 S.CERAMIC

SFPCA450KG1A-R1

FI4

2040001440 S.LC

NFE31PT152Z1E9L

6050010960 S.XTAL

CR-667 (15.600 MHz)

6070000190 S.DISCRIMINATOR CDBCB450KCAY24-R0

6050011000 S.XTAL

CR-681 (12.288 MHz)

6050009910 S.XTAL

CR-563 (3.579545 MHz)

6200008510 S.COIL

0.30-0.9-4TR 10.5N

6200008240 S.COIL

0.30-0.9-5TL 14N

6200002850 S.COIL

NL 252018T-R82J

6200008240 S.COIL

0.30-0.9-5TL 14N

6200009470 S.COIL

0.40-0.9-2TL

6200003590 S.COIL

EXCCL3225U1

L14

6200003590 S.COIL

EXCCL3225U1

L15

6200001750 S.COIL

ELJNC 15NK-F

[L]-F40G

6200001760 S.COIL

ELJNC 22NK-F

[L]-F41G

6200002470 S.COIL

ELJNC 12NK-F

[M]-F40G

6200001650 S.COIL

ELJNC 18NK-F

[M]-F41G

6200001640 S.COIL

ELJNC 10NK-F

[H]

L16

6200005730 S.COIL

ELJRE 39NG-F

[L]-F40G

6200005680 S.COIL

ELJRE 15NG-F

[L]-F41G

6200005660 S.COIL

ELJRE 10NG-F

[M], [H]

L17

6200005710 S.COIL

ELJRE 27NG-F

[L], [ML]

6200005700 S.COIL

ELJRE 22NG-F

[MH], [H]

L18

6200005710 S.COIL

ELJRE 27NG-F

[L], [M]

6200005700 S.COIL

ELJRE 22NG-F

[H]

L19

6200004660 S.COIL

MLF1608A 1R8K-T

L20

6200009360 S.COIL

0.45-1.4-3TL 11N

L21

6200001980 S.COIL

NL 252018T-1R0J

[L]

6200002860 S.COIL

NL 252018T-4R7J

[M], [H]

L22

6200004950 S.COIL

NL 252018T-1R8J

L23

6200009360 S.COIL

0.45-1.4-3TL 11N

L24

6200002860 S.COIL

NL 252018T-4R7J

L25

6200004950 S.COIL

NL 252018T-1R8J

L26

6200001980 S.COIL

NL 252018T-1R0J

L27

6200002850 S.COIL

NL 252018T-R82J

L28

6200004950 S.COIL

NL 252018T-1R8J

L29

6200005680 S.COIL

ELJRE 15NG-F

L30

6200004950 S.COIL

NL 252018T-1R8J

L31

6200004480 S.COIL

MLF1608D R82K-T

L32

6200006670 S.COIL

ELJRE 68NG-F

[L], [ML]

6200005740 S.COIL

ELJRE 47NG-F

[MH], [H]

L33

6200002320 S.COIL

LQW31HN8N8J01L

L34

6200002320 S.COIL

LQW31HN8N8J01L

L35

6200001980 S.COIL

NL 252018T-1R0J

L36

6200002320 S.COIL

LQW31HN8N8J01L

L37

6200002320 S.COIL

LQW31HN8N8J01L

L38

6200002820 S.COIL

LQW31HN47NJ01L

[L], [M]

6200002370 S.COIL

LQW31HN39NJ01L

[H]

L39

6200009220 S.COIL

LQW18AN15NG00D

6 - 2

REF

ORDER

DESCRIPTION

NO.

REF

ORDER

DESCRIPTION

NO.

[L]: L-band, [ML]: ML-band, [MH]: MH-band, [H]: H-band, [M]: ML and MH bands,
[

]: IC-F40

/F41

, [

]: IC-F40

/F41

, [

F40

G]: IC-

F40

GT/

F40

GS,

[

F41

G]: IC-

F41

GT/

F41

GS, [

]: Intrinsically safe version

*=Safety critical components S.=Surface mount

Summary of Contents for IC-F41GS

Page 1: ...UHF TRANSCEIVER iC f40gt iC f40gs iC f4 1 gt iC f4 1 gs iC f40gt ic f40gs iC f41gt ic f41gs including MT version...

Page 2: ...efore 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 smoothl...

Page 3: ...PLL CIRCUIT 4 3 4 4 POWER SUPPLY CIRCUITS 4 4 4 5 CPU PORT ALLOCATIONS 4 4 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...

Page 4: ...0 000 MHz ML band 440 000 480 000 MHz GEN EUR MH band 450 000 490 000 MHz USA GEN H band 480 000 512 000 MHz USA 480 000 520 000 MHz GEN 16K0F3E 25 kHz Wide 8K50F3E 12 5 kHz Narrow Max 256 ch 16 chann...

Page 5: ...ircuit 3 58 MHz crystal X4 CR 563 3 579545 MHz PTT MD1 switch IC28 TC7W53FK 2nd IF filter 450 kHz FI2 SFPCA450KE4A FI3 SFPCA450KG1A IF discreminator X2 CDBCB450KCAY24 450 kHz T5 regulator Q29 2SA1362...

Page 6: ...off the flexible cable in the direction of the arrow e Unscrew 10 screws F 2 3 mm black to separate the shield plate q Unsolder 1 point G at the antenna lead w Unscrew 2 nuts H e Unscrew 6 screws I 2...

Page 7: ...gnal 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 signal is applied to the 2nd IF circuit after...

Page 8: ...s even when noise squelch is open A portion of the AF signals from the FM IF IC IC3 pin 9 passes through the low pass filter IC20b a to remove AF voice signals and is applied to the CTCSS or DTCS deco...

Page 9: ...LL circuit provides stable oscillation of the transmit fre quency and receive 1st LO frequency The PLL output com pares the phase of the divided VCO frequency to the refer ence frequency The PLL outpu...

Page 10: ...O 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...

Page 11: ...tment data as desired High power transmittion When you adjust the output power high power the battery type detector must be connected to GND see illustration at below Otherwise the transceiver does no...

Page 12: ...12 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 450 000 TX Freq RF Power Low1 Mode Wide Transceiver s connection state Reload adjustment...

Page 13: ...T F40GS F41GT or F41GS s up to date condi tion t Set or modify adjustment data as desired High power transmittion When you adjust the output power high power the battery type detector must be connecte...

Page 14: ...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 450 000 TX Freq RF Power Low1 Mode Wide Transceiver s connection state Reload adjustment...

Page 15: ...eaker 8 Audio generator Connection common 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 12...

Page 16: ...520 000 MHz H Receiving Transmitting MAIN Connect a digital multi meter or an oscillo scope to the check point CP7 1 3 V 1 3 V 2 5 4 0 V L 3 0 4 5 V other 3 0 4 5 V MAIN C372 C373 Verify ADJUSTMENT A...

Page 17: ...MHz ML 450 000 MHz MH 480 000 MHz H Output power Low1 IF bandwidth Wide Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 Connect the audio generator to the multi connect...

Page 18: ...000 MHz MH 480 000 MHz H IF bandwidth Wide Connect a standard signal generator to the antenna connector and set as Frequency 400 000 MHz L 440 000 MHz ML 450 000 MHz MH 480 000 MHz H Level 10 V 87 dBm...

Page 19: ...perating freq 400 000 MHz L 440 000 MHz ML 450 000 MHz MH 480 000 MHz H IF bandwidth Wide Connect an SSG to the antenna con nector and set as Frequency 400 000 MHz L 440 000 MHz ML 450 000 MHz MH 480...

Page 20: ...C9 4550006150 S TANTALUM ECST1CY105R C10 4550006150 S TANTALUM ECST1CY105R C11 4550006150 S TANTALUM ECST1CY105R C12 4030014180 S CERAMIC ECUE1H470JCQ C13 4030014180 S CERAMIC ECUE1H470JCQ C14 4030014...

Page 21: ...S DIODE DAN202U T106 D13 1160000050 S DIODE DAP202U T106 D14 1160000050 S DIODE DAP202U T106 D15 1160000060 S DIODE DAN202U T106 D16 1160000060 S DIODE DAN202U T106 D17 1790001210 S DIODE 1SS375 TL D1...

Page 22: ...S RESISTOR ERJ2GEJ 202 X 2 k R60 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R61 7030007060 S RESISTOR ERJ2GEJ 684X 680 k R62 7030007570 S RESISTOR ERJ2GEJ 122X 1 2 k R63 7030005580 S RESISTOR ERJ2GEJ...

Page 23: ...7410000770 S ARRAY EXB V4V 102JV 1 k R246 7410000950 S ARRAY EXB V8V 102JV R247 7410000950 S ARRAY EXB V8V 102JV R248 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k R249 7410000950 S ARRAY EXB V8V 102JV R25...

Page 24: ...014050 S CERAMIC ECUE1H030BCQ M F41G 4030014080 S CERAMIC ECUE1H050BCQ other C47 4030014220 S CERAMIC ECUE1E471KBQ C48 4030014130 S CERAMIC ECUE1H120JCQ F40G 4030014080 S CERAMIC ECUE1H050BCQ L F41G 4...

Page 25: ...4030009820 S CERAMIC C1005 JB 1E 103K T A L F41G C176 4030013850 S CERAMIC ECUE1E102KBQ C177 4030014220 S CERAMIC ECUE1E471KBQ C178 4550006670 S TANTALUM ECST1AD107R C179 4030013960 S CERAMIC C1005 J...

Page 26: ...20JCQ MH 4030014140 S CERAMIC ECUE1H150JCQ H C362 4030017220 S CERAMIC ECUE1E122KBQ C364 4030014180 S CERAMIC ECUE1H470JCQ C365 4030014180 S CERAMIC ECUE1H470JCQ C366 4030014180 S CERAMIC ECUE1H470JCQ...

Page 27: ...only C471 4030014180 S CERAMIC ECUE1H470JCQ F41G only C472 4030014180 S CERAMIC ECUE1H470JCQ F41G only C473 4550006700 S TANTALUM ECST1AY106R F41G only C474 4030009520 S CERAMIC C1608 CH 1H 020B T H...

Page 28: ...I ZU 8 MP60 8930046000 1903 microphone sponge GS 1 MP61 8930053660 2337 side seal 1 MP63 8930053880 2337 key sheet GT 1 8930054010 2337 4 key sheet GS 1 MP64 8930051781 Insulation sheet GA 1 1 MP65 89...

Page 29: ...C MP19 C MP26 C MP20 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 MP8 M MP49 C MP52 C MP59 C MP32 C MP33 C VR w SW CHANNEL SW MP7 M MP1 M MP59 C MP...

Page 30: ...B8 HVU350BTRF B0 A C MA6S121 M2D A1 A2 A3 C1 C2 C3 MA77 4B A C 2SK2974 K2974 G G D D S S TOP VIEW 2SK880 Y XY G S D 2SK2973 K1 G D S S B E C B E C XP6501 AB 5N E1 B2 E2 C1 C2 B1 B E C 3SK206 T1 U78 U...

Page 31: ...Under side 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 TOP VIEW The combination of this page and the next page shows the unit layout in the same configuratio...

Page 32: ...1 D2 D3 D4 D5 D7 OSC0 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 SPEAKE...

Page 33: ...9 AFO VCC DETECT MICE RESET XRXD XTXD MIC PTT 3 1 8 7 2 4 5 6 9 3 1 1 2 3 4 5 6 INT SP SW AF VR POWER SW CH SELECT OPT2 OPT1 1 5 10 15 16 20 25 30 1 5 10 15 16 20 25 30 UNIVERSAL CONNECTOR MP6 OPC 96...

Page 34: ...6 9 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 MP67 CHASSIS H band only F40G MAIN unit BOTTOM VIEW The combination of this page and the previous pag...

Page 35: ...T2 OPT1 1 5 10 15 16 20 25 30 1 5 10 15 16 20 25 30 UNIVERSAL CONNECTOR MP6 OPC 966 EM 80 AD 52 HS 93 GND SPCN 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...

Page 36: ...1 8 7 2 4 5 6 9 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 F41G MAIN unit BOTTOM VIEW The combination of this page and the previous page shows the u...

Page 37: ...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 S...

Page 38: ...0k C357 47 T5C R5C HV SENC DTMF DECODE C242 4 7 C257 0 1 C244 0 001 INPUT 1 NC 2 PD 3 OSCO 4 OSCI 5 NC 6 VSS 7 LOADB 8 SD 9 ACK 10 STD 11 EST 12 NC 13 VDD 14 IC17 LC73872M C246 0 001 C384 0 001 R201 2...

Page 39: ...MOD MIX R182 27k 1 3 4 5 2 IC8 TC75S51F Q26 DTC144EUA 1 3 4 5 2 IC7 TA75S01F R178 27k R181 27k C200 56p C362 0 0012 R161 68k R162 68k C400 0 001 R163 33k C202 270p R177 18k R176 47k R281 27k C410 0 1...

Page 40: ...81 12 288MHz R235 1k C437 47p OPT22 OPT21 OPT23 SDA R237 1k C287 47p R239 1k R236 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...

Page 41: ...dquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Glenwood Centre 150 6165 Highway 17 Delta B...

Page 42: ...iC f40gt ic f40gs iC f41gt ic f41gs S 13803MZ C1 q 2001 Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan...

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