Icom IC-400PRO User Manual Download | Manualshive

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UHF TRANSCEIVER

i400PRO

SERVICE

MANUAL

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Summary of Contents for IC-400PRO

Page 1: ...UHF TRANSCEIVER i400PRO SERVICE MANUAL...

Page 2: ...ttom cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transcei...

Page 3: ...CIRCUITS 4 4 4 5 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 5 4 TRIMMER ADJUSTMENT 5 7 SECTION 6 PARTS LIST SECTION 7 M...

Page 4: ...permissible deviation 2 5 kHz Narrow 5 0 kHz Wide Frequency error 2 5 ppm Spurious emissions 30 dBm 25 W 74 dBc 5 W 67 dBc Adjacent channel power 16 dBm 25 W 60 dBc 5 W 53 dBc Narrow 22 dBm 25 W 66 dB...

Page 5: ...K D A converter IC6 M62363FP 650C IF IC IC1 TA31136FN 1st IF filter FI1 FL 335 Located under side of the point Final FET module IC3 RA30H4452M 21 CPU 5V regulator IC10 AN78L05M 8V regulator IC9 TA780...

Page 6: ...the front unit B C D A J2 J7 y Unscrew 8 screws F u Remove the filter case G i Unscrew the screw H o Unsolder 3 points I from the antenna connector 0 Unsolder 5 points J from IC3 F G H I J 1 Lift up...

Page 7: ...signals to a fixed frequency of the 1st IF signal with the PLL output frequency By changing the PLL frequency only the desired frequency will pass through a MCF Monolithic Crystal Filter FI1 at the n...

Page 8: ...AF signals even when noise squelch is open A portion of the AF signals from the FM IF IC IC1 pin 9 passes through the low pass filter IC16 to remove AF voice signals and is applied to the CTCSS or DTC...

Page 9: ...refer ence frequency The PLL output frequency is controlled by the divided ratio N data of a programable divider The PLL circuit contains the TX RX VCO circuit Q13 Q14 The oscillated signal is amplifi...

Page 10: ...the key matrix Output ports for 5 2 tone and DTMF signals Input port for the PLL unlock signal from the PLL IC MAIN unit IC4 Input port for the key matrix Output ports for CTCSS DTCS signals Input por...

Page 11: ...level detection Input port for the PLL lock voltage 44 46 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 OPT3 OPT1 SI CLI CLO POSW DIM NOIS CIRQ CCS PTT EPTT HANG AFVI CDEC SDEC OV12 RSSI LVIN Pin...

Page 12: ...iate CD drive e Select Run from the Start menu r Type the setup program name using the full path name then push Enter key ex D CS400PROADJ Setup exe t Follow the prompts y Program group CS 400PRO ADJ...

Page 13: ...eter DC voltmeter GRADE AND RANGE Output voltage 13 8 V DC Current capacity 10 A or more Measuring range 1 50 W Frequency range 300 600 MHz Impedance 50 SWR Less than 1 2 1 Frequency range 0 1 600 MHz...

Page 14: ...00 V CTCSS 174 AEh 3 41 V SQL Lev 0 00h 0 00 AGC 255 FFh 5 00 V CH No 01 RX Freq 136 200000 TX Freq RF Power High Mode Wide Transceiver s connection state Reload adjustment data Receive sensitivity m...

Page 15: ...VOLTAGE 1 2 3 4 Operating freq 450 000 MHz Receiving Output power Low1 Transmitting Operating freq 500 000 MHz Receiving Output power Low1 Transmitting MAIN Connect a digital multi meter or an oscill...

Page 16: ...er Low1 Transmitting IF bandwidth Narrow Transmitting Operating freq 500 000 MHz Output power Low1 IF bandwidth Wide CTCSS 67 Hz DTCS code 007 Set the FM deviation meter as HPF OFF LPF 20 kHz De empha...

Page 17: ...iving Operating freq 450 000 MHz IF bandwidth Wide Connect an SSG to the antenna con nector and set as Frequency 450 000 MHz Level 14 V 84 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving Set an SSG a...

Page 18: ...too soft BE CAREFUL 5 tone calling beep sound becomes loud or soft when beep volume adjusts to loud or soft BEEP VOLUME 1 Operating freq Any Receiving FRONT Push any button except POWER switch then ve...

Page 19: ...B R73 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k B S Surface mount R74 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k B R75 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k B R76 7030005120 S RESISTOR ERJ2GEJ 102 X 1...

Page 20: ...DE MA2S111 TX B D21 1750000830 S VARICAP HVC362TRF T D22 1790000700 DIODE DSA3A1 B D23 1750000370 S DIODE DA221 TL B D25 1790001250 S DIODE MA2S111 TX B D26 1790001250 S DIODE MA2S111 TX B D28 1790001...

Page 21: ...Surface mount 6 3 REF ORDER DESCRIPTION M NO NO M Mounted side T Mounted on the Top side B Mounted on the Bottom side MAIN UNIT R134 7030003650 S RESISTOR ERJ3GEYJ 563 V 56 k T R135 7030003690 S RESIS...

Page 22: ...1608 JB 1H 102K T T S Surface mount 6 4 REF ORDER DESCRIPTION M NO NO M Mounted side T Mounted on the Top side B Mounted on the Bottom side MAIN UNIT C67 4030006860 S CERAMIC C1608 JB 1H 102K T B C69...

Page 23: ...1608 CH 1H 030B T B C309 4030006900 S CERAMIC C1608 JB 1H 103K T B C310 4030006860 S CERAMIC C1608 JB 1H 102K T B C311 4030006860 S CERAMIC C1608 JB 1H 102K T B C314 4030006900 S CERAMIC C1608 JB 1H 1...

Page 24: ...002510 LCD L2 0607TAY 1 EP2 8930059170 LCD contact SRCN 2622 SP N W 1 MP2 8510015290 2623 F shield 1 MP3 8930058840 Shield sponge T 1 FRONT UNIT ORDER NO REF NO DESCRIPTION QTY J4 6450000140 Connector...

Page 25: ...AIN UNIT C CHASSIS PARTS EP2 F MP6 C MP7 C MP3 C SP1 F MP17 C MP11 C MP7 M MP1 C J1 C MP10 C MP2 C MP14 C R14 F J1 F MP13 M J4 M W2 M MP8 M MP2 M MP6 M MP3 M MP9 C MP13 C MP4 M MP5 M MP9 C MAIN UNIT M...

Page 26: ...44EUA T106 DTC363 EK XP1214 XP6501 AB Symbol HQ Symbol R25 Symbol AB B E C 2SC4116 BL Symbol LL Symbol QO Symbol R25 Symbol MFO Symbol DAQ Symbol VG Symbol 4L Symbol XY Symbol K1 Symbol UF Symbol U73...

Page 27: ...SECTION 9 BOARD LAYOUTS 9 1 FRONT UNIT TOP VIEW 8V 1 to Microphone 7 2 8 J1 AFO MICE GND CLO PTT MIC CLI 9 1...

Page 28: ...24 13 12 36 37 25 1 7 14 8 17 32 33 48 49 8 5 1 4 64 1 39 2 to MAIN unit J2 40 J2 DIM DAST OPT3 OPT2 OPT1 PTTO PTTI REM SCK SI SO CIRQ CCS MIC EPTT NC BEEP PWON 8V GND GND TONE TENC NOIS EXOE EXST UNL...

Page 29: ...GO OPT1 OPT2 OPT3 GND DAST OV12 OV12 DIM 40 2 39 to FRONT unit J2 1 J2 DAST OPT3 OPT2 OPT1 PTTO PTTI REM SCK SI SO CIRQ CCS MIC EPTT NC BEEP PWON 8V GND GND TONE TENC NOIS EXOE EXST UNLK PLST CDEC SDE...

Page 30: ...SP 14 8 1 1 7 14 8 7 16 9 1 8 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT...

Page 31: ...107 Q11 BUFF 2SC5107 Q10 BUFF J4 SP POSW R14 D29 MA2S111 Q36 DTC144EU Q35 DTC363EK MUTE AF LA4425A IC8 AMP AF TA75S01F IC15 AMP PRE D23 DA221 Q29 DTC114TU Q25 2SD1664 REG T8 TA7808F IC9 REG 8 Q28 XP65...

Page 32: ...4 IC5 NJM12902V C28 0 1 9 10 IC5 NJM12902V 8 C84 47p R44 150k C27 270p C76 0 1 C41 0 001 R43 33k R42 39k C25 0 01 C26 0 1 R41 10k R40 47k R81 100k R80 100k J1 8V 8V CLO AFO PTT MICE MIC GND CLI C81 0...

Page 33: ...0 1 R210 100K TEMP C350 1 R291 100k MOD F C337 0 001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IC1 TA31136FN OSCIN OSCOUT MIXOUT VCC IFIN DEC FILOUT FILIN MIXIN GND N REC N DET RSSI IFOUT QUAD AFOUT R44...

Page 34: ...78 0 001 R57 10k T2 C73 1 D28 MA2S111 R55 1k C88 47p TMUT 10 9 8 IC16 NJM12902V C324 470p R251 470k R250 100k C327 10 5V CPU5V 8V 5V CPU5V 8V 5V CPU5V CPU5V HV CPU5V 8V CPU5V 8V 5V CPU5V 5V 5V CPU5V 8...

Page 35: ......

Page 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14003HZ P2 C 2003 Icom Inc...

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