Icom IC-F4001 Service Manual Download Page 28

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9 - 1

SECTION 9. BLOCK

DIAGRAM

LPF

PWR

DET

D1:RB886CS

D2:RB886CS

MUTE

LDTA144EE

ANT

D 22:HVD142A

D3:HVD142A

PWR

AM P

RD07MUS2B

TX/RX

D6:HVD142A

D5:HVD142A

Q13:2SC4226

D12:HVD350B

Q14:2SC4226

D16:HVD350B

FIL

RIPPLE

Q15

2SC4116

VCO

Q11:LDTC144EE

FIL

LOOP

PLL

IC2

M B15A02

Q26

2SC4116

MOD

D15

1SV309

Q23

3SK293

BPF

AM P

Q22

3SK293

APC

AMP

IC1

TA75S01F

BPF

XTAL

FI1

FL-442

AM P

Q24

2SC4215

BUFF

2SC5107

BUFF

Q10

2SC5107

BUFF

2SC5107

BUFF

Q17

2SK880

DRIVE

AM P

RD01MUS1

CR-794

TCXO

DRIVE

PRE

2SC3356

ADJ

D14

HVD376B

ADJ

D11

HVD376B

BUFF

IC60

NJM12902

VOL1

R133

PRE

AM P

2SC5107

VCO

Q12:LDTC144EE

LPF

BPF

D28

HVB350B

BPF

D26

HVB350B

BPF

D24

HVB350B

F51

ERBSE3R00U

PTT

DET

Q58:UNR911HG0

AM P

IC55

TPA0211DGN

AM P

NJM12902

IC58

MIC

MUTE

IC62

CD4066

J52

IC62

CD4066

MUT E

LPF

LM2902

IC59

REG

Q73

KTA2015

SP1

BEEP

IC61:CD4053

VOL1

R133

REG

+5V

Q74:2SB1132

Q75:XP6501

Q76:LDTC144EE

CTRL

Q82:Q83

LDTA144EE

REG

Q71

KTA2015

VOL1

R132

HPF

IC58

NJM12902

BEEP

IC61

CD4053

BATTERY_1

BT1

R88

SHIFT

D52

1SS390

AF VOL

SW12

PUSH1

PTT

PUSH1

SW12

EEPROM

IC52

R1EX24016

MC51

EM9745P

LPF

XP4601

Q51

D51:LRB706F

Q81:UNR9210G0

CLONE

BUFF

PWR

CTRL

Q63:2SB1132

Q64:XP6501

AM P

SW12

LPF

IC59

LM2902

HPF

IC58

NJM12902

J53

DET

D 53:L1SS400

SELECT

S54

TP70TF5169

RESET

IC53

N JU7704

FIL

Q52

LDTC144EE

AM P

NLM12902

IC60

SW12

LPF

IC58

NJM12902

Splatter

SW12

CPU5

REG

IC54

NJM2871

LPF

NJM12902

IC60

VOL1

R132

REG

Q72

2SA1586

PUSH1

J51

X51

CR-864

AUTO_TX

CTRL

Q59:LDTC144EE

AMP

NLM12902

IC60

W/N

D33,D34:1SS390

Q27:LDTA144EE

JTBM450CX70

W/N

Q25

LDTC144EE

BPF

CERAMIC

FI2

LTM450GW

BPF

CERAMIC

LTM450HW

FI3

W/N

D31:D32

1SS390

LPF

DS51

CL-165HR

MIC_GAIN

CTRL

CD4066

IC62

LPF

IC59

LM2902

BPF

D28

HVB350B

AGC

CTRL

Q21

2SK1829

T5V

RMUT2

MMUT

RMUT1

D/A

IF IC

LVIN

S5V

R5V

RX VCO

TX VCO

TMUT

IC3:NJM2591

REF

BAL

15.3MHz

45.9MHz

DISC

SQIN

46.35MHz

MIXER

RSSI

LVA

400-470MHz

353.65 MHz-423.65 MHz

R5C

VCON

VOXV

S5C

VCC

R5C

MOD

ATX

+5V

12.288MHz

T5C

BEEP

S5V

IC51

EPTT

AFVI

CPU

TBEEP

CSFT

R5V

CPU5

IC56

CDEC

DUSE

DISC

CD4066

IC57

RES

AFON

CTCSS/DTCS DEC

PWON

ANALOG

R2A20178

SDEC

CENC0-2

RBEEP

TEMP

IPTT

CTCSS/DTCS

SENC

VCC

CPU5

AFON

T5V

REF,LVA

RSSI

450kHz

NWC

NOIS

KEY1

KEY2

R4F20102

AFO

MGC0

MGC1

T1,T2

RMUT1

MMUT

T5C

Summary of Contents for IC-F4001

Page 1: ...S 14617XZ C1 Nov 2009 UHF TRANSCEIVERS...

Page 2: ...rts 1 10 digit Icom part number 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC F4001 MAIN UNIT 5 pieces 8820001210 Screw 2438 scr...

Page 3: ...ER CIRCUITS 4 2 4 3 FREQUENCY SYNTHESIZER CIRCUITS 4 3 4 4 VOLTAGE BLOCK DIAGRAM 4 3 4 5 PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 5 5 3 TRANS...

Page 4: ...32 D in Weight With BP 264 Approx 330 g 11 21 32 oz With BP 265 Approx 270 g 9 17 32 oz Intermediate frequency 1st 46 35 MHz 2nd 450 kHz Output impedance Audio 8 Input impedance Audio 2 2 k M TRANSMIT...

Page 5: ...rtion with 12 Int speaker 0 4 W typ at 5 distortion with 8 Ext speaker Hum and noise Except EUR UK Without CCITT Filter Narrow 34 dB min 47 dB typ Wide 40 dB min 52 dB typ Hum and noise EUR UK With CC...

Page 6: ...VIEW CPU5 LINE REGULATOR IC54 5V LINE REGULATOR Q76 PLL IC IC2 MIC AF LINE SW IC56 APC AMP IC1 TCXO X2 TONE FILTER SW Q52 TONE LPF IC59 HPF IC58 MIC GAIN CONTROLLER IC62 2ND IF BPF FI2 2ND IF BPF For...

Page 7: ...PRE DRIVE AMP Q3 PRE AMP Q4 RF AMP Q22 RESET IC IC53 EEPROM IC52 AF AMP IC55 IF DEMODULATOR IC IC3 XTAL BPF FI1 AGC CTRL Q21 S5 LINE REGULATOR Q71 RIPPLE FILTER Q15 R5 LINE REGULATOR Q72 1ST IF MIXER...

Page 8: ...n and then remove the MAIN UNIT 2 Remove 2 screws from the bottom of the CHASSIS 3 Lift the bottom of the CHASSIS up in the direction of the arrow 4 CAREFULLY lift the chassis out of the FRONT PANEL a...

Page 9: ...1st IF circuits The tuned BPFs are tuned to the RX frequency by applying adequate tuning voltages T1 and T2 to the variable capacitors 1ST IF CIRCUITS The RX signal from the RF circuits is applied to...

Page 10: ...plied to the MIC AMP The amplified MIC signal is passed through the MIC mute SW HPF which attenuates frequencies 300 Hz and below The filtered MIC signal is passed through the pre emphasis circuit whi...

Page 11: ...antenna APC CIRCUITS D1 and D2 rectify a portion of the TX signal to direct current and the APC AMP compares the voltage and the TX power control reference voltage T1 The resulting voltage controls t...

Page 12: ...transceiver s power is ON O 32 IPTT Internal PTT input L PTT pushed I 33 34 36 CENC2 CENC1 CENC0 CTCSS DTCS signal O 37 40 CBI0 CBI3 ROTARY SELECTOR input I 41 DUSE Frequency response switching H DTCS...

Page 13: ...z Standard signal generator SSG Frequency range 0 1 600 MHz Output level 20 to 90 dB 127 to 17 dBm AC millivoltmeter Measuring range 10 mV to 10 V Oscilloscope Frequency range DC 20 MHz Measuring rang...

Page 14: ...meter 0 1 6 W 50 Frequency counter Standard signal generator 20 to 90 dB 127 to 17 dBm NEVER transmit while an SSG is connected to the antenna connector To SP To MIC JIG cables To SP connector PC to...

Page 15: ...ame cloning file as shown below then upload it into the transceiver 5 3 Select Middle For EUR versions When adjusting Deviation in the middle band change the bandwidth to Middle as shown below CONVENI...

Page 16: ...VITY MOD BALANCE CTCSS DTCS REF FREQUENCY SQUELCH LOCK VOLTAGE Adjustment TX OUTPUT POWER If the below window appears the utility is password protected Enter the password to open the Adjust Utility wi...

Page 17: ...load F5 button to check on the I O Check window as illustrated below LVIN On the I O Check window 3 0 4 0 V Verify TX 2 CH 2 Transmitting 2 7 3 9 V Verify REFERENCE FREQUENCY 1 CH 3 Transmitting Loose...

Page 18: ...quare waveform FM DEVIATION Narrow mode 1 CH 8 Transmitting Connect a modulation analyzer to the antenna connector through an attenuator MOD N C 2 05 to 2 15 kHz Middle mode 2 CH 9 Transmitting MOD M...

Page 19: ...onnect an SSG to the antenna connector and set it as Frequency 400 MHz Level 13 dB 120 dBm Modulation 1 kHz Deviation 1 5 kHz 2 Once close the squelch by increasing SQL value then decrease the value t...

Page 20: ...02851 S COI NLV25T R82J B 18 2 16 6 L5 6200012610 S COI 0 40 0 9 2TL 2 8N COMO B 18 2 13 4 L6 6200012610 S COI 0 40 0 9 2TL 2 8N COMO B 20 7 13 4 L7 6200012980 S COI 0 40 1 4 5TR 18 3N COMO B 23 6 13...

Page 21: ...383 7030008310 S RES ERJ2GEJ 564 X 560K T 70 9 13 8 R384 7030005090 S RES ERJ2GEJ 104 X 100K T 80 9 15 4 R385 7030005310 S RES ERJ2GEJ 124 X 120K T 74 5 13 8 M Mounted side T Mounted on the Top side B...

Page 22: ...T B 37 4 25 1 C215 4030009830 S CER C1005 CH 1H 180J T B 42 2 27 7 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN...

Page 23: ...C435 4030019740 S CER C1005 JB 1H 102K T T 18 32 2 C436 4550007320 S TAN F930J226MAABMA B 85 2 44 4 C437 4030019930 S CER C1005 JB 1A 104K T T 17 1 32 2 C451 4030009790 S CER C1005 CH 1H 330J T B 86 6...

Page 24: ...N A UNIT ACCESSORIES REF ORDER DESCRIPTION QTY NO NO J51 6450000131 HSJ1102 018540 1 J52 6450002250 HSJ1456 010320 1 J53 6510021901 BM02B ASRS TF LF SN 1 MC51 7700002920 EM9745P 38 G 01 1 S51 22600019...

Page 25: ...5 C MP24 C MP27 C MP25 C SP1 C MP2 C MP8 C MP1 C MP23 C MP22 C ANT PCB J1 C MP13 C MC51 M MP2 M MP34 2 C MP34 2 C MP32 C MP32 C J52 M MP6 M J51 M MP21 C S51 M MP20 2 C MP31 2 C MP31 2 C MP19 C MP14 C...

Page 26: ...6 C I 9 5 C I 8 5 C I IC62 J53 L23 L24 L31 L33 L36 L37 L40 L41 L42 MP3 Q6 Q8 Q10 Q13 Q14 Q25 Q26 Q51 Q52 Q75 Q76 Q82 Q83 R11 R12 R13 R14 R15 R16 R17 R18 R41 R42 R45 R46 R53 R54 R55 R56 R57 R64 R76 R7...

Page 27: ...51 D52 D53 D55 EP6 EP51 FI1 IC3 IC51 IC52 IC53 IC55 IC57 IC60 L1 L2 L3 L4 L5 L6 L7 L8 L9 L11 L13 L14 L15 L16 L18 L19 L20 L32 L35 L47 L48 MP4 MP5 Q1 Q2 Q3 Q4 Q9 Q11 Q12 Q15 Q17 Q19 Q21 Q22 Q23 Q24 Q27...

Page 28: ...VOL R1 SW12 S1 PUSH1 PTT PUSH1 P2 SW12 S2 EEPROM IC52 R1EX24016 MC51 EM9745P LPF XP4601 Q51 D51 LRB706F Q81 UNR9210G0 CLONE BUFF PWR CTRL Q63 2SB1132 Q64 XP6501 AF AMP SW12 S3 LPF IC59 LM2902 HPF IC58...

Page 29: ...C302 0 047 C305 220P C303 0 039 C306 0 1 C307 0 022 C309 0 01 C330 0 01 C331 0 0047 C333 0 0047 C332 0 001 C335 0 001 C337 0 001 C338 0 001 C339 0 1 C340 0 1 C344 0 018 C381 0 018 C382 0 001 C388 0 00...

Page 30: ...HW FI3 I O X1 JTBM450CX70 R113 3 3k R121 3 3k R143 4 7k R142 100k L1SS400 D35 R42 68k R43 100 R149 680k L24 0 18U L23 0 18U 8P C2 8P C5 1 5P C4 2 5P C8 4P C9 0 5P C3 0 5P C6 0 001 C7 0 001 C10 0 001 C...

Page 31: ...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 Unit 1 103 Garden Road Clayton VIC 3168 Aus...

Page 32: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14617XZ C1 2009 Icom Inc...

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