ICOM iF7000 User Manual

HF TRANSCEIVERiF7000SERVICEMANUAL

SECTION 3ABOUT EXTERNAL REFERENCE SIGNAL INPUT3 - 1‘‘IN CASE OF USING EXTERNAL REFERENCE SIGNALNEED TO MODIFYthe PLL unit (bottom side) as below when

3 - 2‘‘IN CASE OF USING INTERNAL REFERENCE SIGNALNEED TO MODIFYthe PLL unit (bottom side) as below. Otherwise the transceiver does not work properly.q

4 - 1SECTION 4 CIRCUIT DESCRIPTION4-1 RECEIVER CIRCUITS4-1-1 RF FILTER CIRCUIT (PLL AND MAIN UNITS)Received signals from the antenna connector are app

4 - 24-1-5 DSP RECEIVER CIRCUIT (MAIN AND DSPUNITS)The DSP (Digital Signal Processor) circuit enables digital IFfilter, digital noise reduction, digit

4 - 34-2 TRANSMITTER CIRCUITS4-2-1 MICROPHONE AMPLIFIER CIRCUIT (RC-26, MAIN AND DSP UNITS)The microphone amplifier circuit amplifies microphone audio

4 - 44-2-5 RF CIRCUIT (MAIN, PA, PLL UNITS AND DRI-VER BOARD)The RF circuit amplifies operating (transmitting) frequencyto obtain 100 W (125 W: 1.6–4

4 - 54-2-6 ALC CIRCUIT (PLL AND MAIN UNITS)The ALC (Automatic Level Control) circuit controls the gainof IF amplifiers in order for the transceiver to

4 - 6The detected signal output from the PLL IC (pin 2) is con-verted into a DC voltage (lock voltage) at the loop filter andthen fed back to one of t

4 - 74-5-3 PLL UNIT VOLTAGE LINE4-5 POWER SUPPLY CIRCUITS4-5-1 PA UNIT VOLTAGE LINELINEHV13HVS13V13.8PA8VT8VDESCRIPTIONThe voltage from an external po

4 - 8Pinnumber9092939497PortnameECKASENTEMPNSENRFMLDescriptionOutputs serial clock signal for theEEPROM (IC3301, pin 6).Input port for the SEND signal

INTRODUCTIONThis service manual describes the latest service information for the IC-F7000 HF TRANSCEIVER at the time of publica-tion.DANGERNEVER conn

4 - 94-6-5 OUTPUT EXPANDER IC (MAIN UNIT; IC3603)Pinnumber456111314PortnameNMSEMSMMSNMRAFMSCSENDescriptionOutputs NBDP MOD control signal forthe gate

4 - 104-6-7 FRONT CPU PORT ALLOCATIONS (RC-26,DISPLAY BOARD; IC8201)Pinnumber15–17212223242527283132373940484950515253545557PortnameCSWRRDCALKUPK U

5 - 15-1 PREPARATIONWhen adjusting the contents on page 5-9, a JIG CABLE (see illustration as below) is required.Some adjustments must be performed on

5 - 2 ENTERING THE ADJUSTMENT MODE1 Turn the power OFF.2 Push and hold the HM-146’s [CALL] and RC-26’s [EMG] switches, then turn the power ON. OPERA

5 - 35-2 PLL UNIT ADJUSTMENTLPL LOCKVOLTAGEHPL LOCKVOLTAGEREFERENCEFREQUENCY121212• Operating frequency : 0.5000 MHz• Mode : J3E• Receiving• Operating

5 - 4C5521HPL lock voltage adjustmentCP5402HPL lock voltage ckeck pointL5204L5203R5255Reference frequency adjustmentP5201Reference frequency ckeck poi

5 - 55-3 PA AND FILTER UNITS ADJUSTMENTIDLINGCURRENT(For driveFETs)(For finaltransistors)SWRDETECTOR12• Operating frequency : 12.2350 MHz• Mode : J3E•

5 - 6SWR detector check pointCP7331 (REF line)Connect to groundCP7332 (FOR line)SWR detector adjustmentC7275R6304Idling current adjustment(For drive F

5 - 75-4 RECEIVER ADJUSTMENTS”TOTAL GAIN”, “S-METER” and “DSC PEAK” adjustments must be performed at “ADJUSTMENT MODE”.NOISE NULLPOINTRECEIVERGAINTOTA

5 - 8Preset to max. counter clockwisePreset to top edge of its chassisL401L403L801L404L405L209Noise null point adjustmentR217R218Noise null point adju

TABLE OF CONTENTSSECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWSSECTION 3 ABOUT EXTERNAL REFERENCE SIGNAL INPUTSECTION 4 CIRCUIT DESCRIPTIONSECTION

5 - 95-5 TRANSMITTER ADJUSTMENTSThe following adjustments must be performed at “ADJUSTMENT MODE” after “SWR DETECTOR” and “RECEIVER” ADJUST-MENTS in t

5 - 10[OK][VOL] DIALR6516Ic-APC adjustmentCP7332Connect to ground• PA UNIT TOP VIEW• RC-26 FRONT PANELTRANSMITTER ADJUSTMENTS–Continued1• Operating fr

[MAIN UNIT][MAIN UNIT]IC1 1110004080 S.IC µPC2709T-E3 TIC101 1130011640 S.IC IS62C1024L-45T <ACE> TIC301 1110004080 S.IC µPC2709T-E3 TIC501 1110

[MAIN BOARD]L1 6200010670 S.COIL C2520C-R18G (0.18U) TL2 6200010740 S.COIL C2520C-R27G-A TL3 6200002860 S.COIL NL 252018T-4R7J TL4 6200002040 S.COIL

[MAIN UNIT]R109 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) TR110 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω) TR111 7030003370 S.RESISTOR ERJ3GEYJ 2

[MAIN UNIT]R1208 7030003610 S.RESISTOR ERJ3GEYJ 273 V (27 kΩ) TR1209 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) TR1210 7030009591 S.RESISTOR ERA3YED

[MAIN UNIT]R3332 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) TR3333 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω) TR3334 7030003640 S.RESISTOR ERJ3GEY

[MAIN UNIT][MAIN UNIT]C171 4030011280 S.CERAMIC C1608 CH 1H 271J-T TC172 4030011600 S.CERAMIC C1608 JB 1E 104K-T TC173 4030007160 S.CERAMIC C1608 CH 1

[MAIN UNIT][MAIN UNIT]C1002 4030011600 S.CERAMIC C1608 JB 1E 104K-T TC1003 4030011600 S.CERAMIC C1608 JB 1E 104K-T TC1004 4030018610 S.CERAMIC C1608 C

[PLL UNIT][MAIN UNIT]J1 6510007020 CONNECTOR TMP-J01X-V6 TJ51 6510007020 CONNECTOR TMP-J01X-V6 TJ301 6510007020 CONNECTOR TMP-J01X-V6 TJ601 6510007020

1 - 1SECTION 1 SPECIFICATIONSAll stated specifications are subject to change without notice or obligation.• IC-F7000‘‘GENERAL• Frequency coverage : Re

[PLL UNIT][PLL UNIT]R5088 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 kΩ) TR5089 7030009620 S.RESISTOR ERJ12YJ120U (12 Ω) BR5090 7030003520 S.RESISTOR ER

[PLL UNIT][PLL UNIT]C5080 4030006880 S.CERAMIC C1608 JB 1H 472K-T BC5081 4030006880 S.CERAMIC C1608 JB 1H 472K-T TC5082 4030006880 S.CERAMIC C1608 JB

[PA UNIT][PLL UNIT]C7126 4010005360 CERAMIC HM11SJ SL 301J 500V TC7128 4010005370 CERAMIC HM11SJ SL 331J 500V TC7129 4010005870 CERAMIC HM95SJ SL 221J

[PA UNIT][PA UNIT]R6406 7030010260 S.RESISTOR ERJ1TYJ 3R3 U TR6407 7030001010 S.RESISTOR MCR50JZHJ 10 Ω (100) TR6408 7030001010 S.RESISTOR MCR50JZHJ 1

[DSP BOARD][DSP BOARD]IC9701 1110001900 S.IC µPC4570G2-T1 BIC9801 1130010560 S.IC SN74AHC244PWR BQ9021 1530002060 S.TRANSISTOR 2SC4081 T106 R BQ9201 1

[DRIVER BOARD][DSP BOARD]C9303 4030011600 S.CERAMIC C1608 JB 1E 104K-T TC9304 4030006880 S.CERAMIC C1608 JB 1H 472K-T TC9305 4030011600 S.CERAMIC C160

[FRONT UNIT]W8001 8900009230 CABLE OPC-908 (P=1 N=10 L=60) W8002 8900012650 CABLE OPC-1272 TYX4003-210100W8005 8900008860 CABLE OPC-875 (N:20 L:70) IC

[REAR BOARD][DISPLAY BOARD]C8311 4030011600 S.CERAMIC C1608 JB 1E 104K-T BC8312 4030011600 S.CERAMIC C1608 JB 1E 104K-T BC8313 4510004640S.ELECTROLYTI

S.=Surface mount6 - 17[MAIN UNIT]MICIC1 1130008990 S.IC LC7366NM-TRM <KN> TQ1 1590003340 S.TRANSISTOR DTA114EUA T106 <KN> TD1 1730002500 S

SECTION 7 MECHANICAL PARTS AND DISASSEMBLY7 - 1W8002 8900012650 Cable OPC-1272 1MP8001 8210020240 2140 front panel (A) assembly 1MP8002 8210020010 262

1 - 2• RC-26 REMOTE CONTROLLER‘‘GENERAL• Microphone impedance : 600 Ω• Audio output power : More than 2 W at 4 Ω load with 10% distortion• Audio outpu

Screw abbreviations BT, B0, A0: Selt-tappingPH: Pan head BiH: Binding headFH: Flat head SUS: StainlessNI: Nickel BS: BrassNI-ZU: Nickel-Zinc ZK: Black

Unit abbreviations(F): FRONT PARTS(D): DISPLAY BOARD (C): CONNECT BOARD(R): REAR BOARD(A): ACCESSORIESMP8017 (F)DISPLAY BOARDMP8006 (F)MP8001 (F)MP801

7 - 4Unit abbreviations (C): CHASSIS PARTS(M): MAIN UNIT(P): PLL UNIT(DS): DSP BOARD(DR): DRIVER BOARDVARISTOR-2BOARDMP2 (C)Unit abbreviations(C): CH

8 - 1SECTION 8 SEMI-CONDUCTOR INFORMATION• TRANSISTOR AND FET’SBECBECBBEECCBECBECBECBECBCEBECBECBECBCEBCEBCEDGSSDGBECBECBECG1G2SDGSDSSDGGSDSSDGGSDSGSS

11020LOCK11DN UPPTT28to RC-26DISPLAY board J870117J1UDCPTTMICTONE8VDIMMICEGND9 - 1SECTION 9 BOARD LAYOUTS9-1 HM-146• TOP VIEW9-2 RC-269-2-1 CONNECT BO

9 - 2• BOTTOM VIEW (CONNECT BOARD)9V119220to DISPLAY board J8205J8920GNDCL1CSWRGNDDB0DB2DB4DB65VGNDRESRSRDGNDDB1DB3DB5DB7• BOTTOM VIEW (REAR BOARD)147

9-2-3 DISPLAY BOARD• TOP VIEW369OK2580147CLRCALLSCANTUNEMUTEEMGI/OMICVOL8V1728to HM-146MIC unit J1J8701DIMMICEGNDUDCPTTMICTONE9 - 3

• BOTTOM VIEW (DISPLAY BOARD)GND19210J8202GNDFZMDFZRSFZRXGNDNCNCFZTXFZ5VGND9to IC-F7000 MAIN unit J20511J8201RXDTXDH13VFAFGFAFGNDFMODGFMOD9V1192to CON

9 - 59-3 IC-F70009-3-1 DSP BOARD• TOP VIEW1816911020111714814851361087372 37109 144584171814114281513641364GND1FDISFENA1FINTFRESFDATFCKFSTBGND1FOKFBSY

9 - 6• BOTTOM VIEW (DSP BOARD)121to MAIN unit J1102222J9901DSPI1GNDGNDGND8VGNDAGC2GNDDSPO1GNDGNDGNDGNDDSPI2GND8VGNDAGC1GNDGNDGNDDSPO2291MAIN unit J110

1 - 3Unit: mm (inch)240 (9 7 16)287.8 (11 11 32)239.3 (9 13 32)231 (9 3 32)155 (6 3 32)133 (5 1 4)50 (1 31 32) 50 (1 31 32)5.4 (7 32) (d)32.2 (1 9 32)

13.8VSENDAAFAGNDAMODCWKFALCSQLSfrom PLL unit J7321MRXW7321from PLL unit J5601M1LoW5601from/to PA unit J6702YGRW4520from PLL unit J5201M2LoW52011411111

• BOTTOM VIEW (MAIN UNIT)9 - 8

148541J6301to DRIVERboardGNDGNDDRVIDRVI14J6302to DRIVERboardDRVODRVOGNDGND13J6411toVARISTOR-1boardGNDVAROVARI13toVARISTOR-2boardJ6412GNDGNDVARO291302J

• BOTTOM VIEW (PA UNIT)9 - 10

to PA unit J6401FLINW7001to MAIN unit J601M1LoW5601to MAIN unit J301M2LoW5201from CHASSIS unit J4501ANTW4503to MAIN unit J51MRXW7321181691211 123 3322

148148559 - 12• BOTTOM VIEW (PLL UNIT)

9-3-5 DRIVER BOARD• TOP VIEW9 - 13GNDVAROVARIto PA unit J64119-3-6 VARISTOR-1 BOARD

DRVIDRVIGNDGNDto PA unit J6301GNDGNDDRVODRVOto PA unit J6302• BOTTOM VIEW (DRIVER BOARD)9 - 14GNDGNDVAROto PA unit J64129-3-7 VARISTOR-2 BOARD

VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINEBus LINE+5REGA/D A/DD/AD/A D/AD/ALPFLPFAGCAMPLPFAFAMPBUFFBUFFLPFLPFBUFFIFAMPIFAMPBPFCERAMICLPFIF

11 - 1SECTION 11 WIRING DIAGRAMExplanatory notesTX LINERX LINECOMMON LINEGNDNSENDSAFDSAFEDSMDGNDDSMDEH5VRXPCDTRMNMRSNMEORSSWNMEI2NMEIL6MGNDGNDL4MREFL1

1 - 4Unit: mm (inch)5.4 (7 32) 5.4 (7 32)173.2 (6 13 16)51.2 (2 1 32)40 (1 9 16)40 (1 9 16) 45 (1 25 32) 40 (1 9 16)6.5 (1 4)14.6 (9 16)9 (11 32)150 (

12 - 1SECTION 12 VOLTAGE DIAGRAMS12-1 RC-26 and HM-146VOLTAGE LINEExplanatory notesTX LINERX LINEFH1310V8V9VFH13FH13FH13FH13FH13FH13FH13J8802AFIN5VMCE

12 - 212-2 IC-F700012-2-1 MAIN UNIT (1)VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINEB3B6UNIT (2)MAIN1LoBB01LoBALC1LoBS13VRXS5VS13V-5V5Vunit J

12 - 312-2-2 MAIN UNIT (2)VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINE-5VUNIT (3)MAINERJ3GE-JPWR2290.0047C233R8MAGCR8MAGCMAGCR8R8R8R847kR704

12 - 412-2-3 MAIN UNIT (3)VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINE8Vunit J5001to PLLboard J9902to DSPboard J9901to DSPACCboard J8201DISP

12 - 512-2-4 PA UNITVOLTAGE LINEExplanatory notesTX LINEfrom MAINunit J1J6702YGRto MAINunit J1901PONHVHVFANCS13VS13VS13VS13VS13VJ6701TSCSTUM3STATKEYJ6

12 - 612-2-5 PLL UNIT (1)VOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINEAF/MODto MAINunitJ3602AF-GNDAF+NSENDGNDMOD-GNDMOD+C57020.0047R57202kR57

12 - 712-2-6 PLL UNIT (2)VOLTAGE LINEExplanatory notesP5201J5201M2LOCP5202to MAINunit J301L5202100µR5203100C52010.001R520422kR520747C52020.001R520510k

12 - 812-2-7 DSP BOARDVOLTAGE LINEExplanatory notesTX LINERX LINECOMMON LINE15234TMS320VC33PGEA120IC93011A202VSS3A194A185A176DVDD7A168A159VSS10A1411A1

1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, JapanS-14012HZ-C1C 2003 Icom Inc.

SECTION 2 INSIDE VIEWS2 - 1• RC-26• HM-146 (MIC UNIT)CONNECT BOCONNECT BOARDDISPLADISPLAY BOARD+8V regulator(IC8310:(IC8310: TA78L08F)+10V regulator(I

2 - 2• IC-F7000 (BOTTOM VIEW)• IC-F7000 (TOP VIEW)PA UNITA UNITPLL IC(IC5401:(IC5401: LMX2306TM) LMX2306TM)VARISTOR-1 BOOR-1 BOARDVARISTOR-2 BOOR-2 BO