IcomメーカーIC-F7000の使用説明書/サービス説明書
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HF TRANSCEIVER iF7000 SER VICE MANU AL.
INTRODUCTION This service manual describes the latest service information for the IC-F7000 HF TRANSCEIVER at the time of publica- tion. DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V . This will ruin the transceiver .
T ABLE OF CONTENTS SECTION 1 SPECIFICA TIONS SECTION 2 INSIDE VIEWS SECTION 3 ABOUT EXTERNAL REFERENCE SIGNAL INPUT SECTION 4 CIRCUIT DESCRIPTION SECTION 5 ADJUSTMENT PROCEDURES SECTION 6 P ARTS LIST SECTION 7 MECHANICAL P ARTS AND DISASSEMBL Y 7 - 1 RC-26 .
1 - 1 SECTION 1 SPECIFICA TIONS All stated specifications are subject to change without notice or obligation. • IC-F7000 ‘ ‘ GENERAL • Frequency coverage : Receive 500 kHz–29.
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 output impedance : 4 Ω • Usa.
1 - 3 Unit: mm (inch) 240 (9 7 16 ) 287.8 (1 1 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 ) 1.7 ( 1 16 ) 1.9 ( 1 16 ) 22.5 ( 7 8 ) 6 ( 1 4 ) 72 (2 27 32 ) 87 (3 7 16 ) 5.
1 - 4 Unit: 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 ( 1 1 32 ) 150 (5 29 32 ) 158.2 (6 7 32 ) 50 (1 31 32 ) 66.6 (2 5 8 ) 66.3 (2 5 8 ) 37 (1 15 32 ) 5.
SECTION 2 INSIDE VIEWS 2 - 1 • RC-26 • HM-146 (MIC UNIT) CONNECT BO CONNECT BO ARD DISPLA DISPLA Y BOARD +8V regulator (IC8310: (IC8310: T A78L08F) +10V regulator (IC8301: (IC8301: AN8009M) AN8009.
2 - 2 • IC-F7000 (BO TT OM VIEW) • IC-F7000 (T OP VIEW) P A UNIT A UNIT PLL IC (IC5401: (IC5401: LMX2306TM) LMX2306TM) V ARIST OR-1 BO OR-1 BO ARD V ARIST OR-2 BO OR-2 BO ARD +8V regulator (IC6601.
SECTION 3 ABOUT EXTERNAL REFERENCE SIGNAL INPUT 3 - 1 ‘ ‘ IN CASE OF USING EXTERNAL REFERENCE SIGNAL NEED TO MODIFY the PLL unit (bottom side) as below when using external reference. q Remove R5251 from the PLL unit. w Solder disconnect points (CP5041) on the PLL unit.
3 - 2 ‘ ‘ IN CASE OF USING INTERNAL REFERENCE SIGNAL NEED TO MODIFY the PLL unit (bottom side) as below . Otherwise the transceiver does not work properly . q Unsolder connect points (CP5041) on the PLL unit. w Solder R5251 to the original position, or solder disconnect points (CP5251) on the PLL unit.
4 - 1 SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS 4-1-1 RF FIL TER CIRCUIT (PLL AND MAIN UNITS) Received signals from the antenna connector are applied to the transmit/receive switching and protection relay (PLL unit; RL7301) which is controlled by the CPU via the “ TRXS ” line.
4 - 2 4-1-5 DSP RECEIVER CIRCUIT (MAIN AND DSP UNITS) The DSP (Digital Signal Processor) circuit enables digital IF filter , digital noise reduction, digital PSN (Pulse Shift Network), phase demodulation, digital automatic notch, and etc.
4 - 3 4-2 TRANSMITTER CIRCUITS 4-2-1 MICROPHONE AMPLIFIER CIRCUIT (RC-26, MAIN AND DSP UNITS) The microphone amplifier circuit amplifies microphone audio signal to a level needed for the DSP circuit.
4 - 4 4-2-5 RF CIRCUIT (MAIN, P A, PLL UNITS AND DRI- VER BOARD) The RF circuit amplifies operating (transmitting) frequency to obtain 100 W (125 W: 1.
4 - 5 4-2-6 ALC CIRCUIT (PLL AND MAIN UNITS) The ALC (Automatic Level Control) circuit controls the gain of IF amplifiers in order for the transceiver to output a con- stant RF power even when the supplied voltage shifts, etc.
4 - 6 The detected signal output from the PLL IC (pin 2) is con- verted into a DC voltage (lock voltage) at the loop filter and then fed back to one of the VCO circuits (Q5521, D5521, L5523).
4 - 7 4-5-3 PLL UNIT VOL T AGE LINE 4-5 POWER SUPPL Y CIRCUITS 4-5-1 P A UNIT VOL T AGE LINE LINE HV13 HV S13V 13.8 P A8V T8V DESCRIPTION The voltage from an external power supply . The same voltage as the HV13 line passed through the fuse (F6701). The same voltage as the HV13 line passes through the switching relay (RL6701).
4 - 8 Pin number 90 92 93 94 97 Port name ECK ASEN TEMP NSEN RFML Description Outputs serial clock signal for the EEPROM (IC3301, pin 6). Input port for the SEND signal from the accessory connector (J1801). Input port for the power amplifier tem- perature signal from the P A unit.
4 - 9 4-6-5 OUTPUT EXP ANDER IC (MAIN UNIT ; IC3603) Pin number 4 5 6 11 13 14 Port name NMS EMS MMS NMR AFMS CSEN Description Outputs NBDP MOD control signal for the gate mod IC (IC2001, pin 10). Outputs external MOD control signal for the gate mode IC (IC2001, pin 1 1).
4 - 10 4-6-7 FRONT CPU PORT ALLOCA TIONS (RC-26, DISPLA Y BOARD; IC8201) Pin number 15 – 17 21 22 23 24 25 27 28 31 32 37 39 40 48 49 50 51 52 53 54 55 57 Port name CS WR RD CALK UPK UNK SELA SELB PCON IOK MUDK MPTT DIM ETXD ERXD SCNK TUNK MUTK EMGK TRK TLK T0K T9K T8K Description Outputs LCD drive signals.
5 - 1 5-1 PREP ARA TION When adjusting the contents on page 5-9, a JIG CABLE (see illustration as below) is required. Some adjustments must be performed on the “ ADJUSTMENT MODE ” . Entering the “ ADJUSTMENT MODE ” , refer to the next page in detail.
5 - 2 ■ ENTERING THE ADJUSTMENT MODE 1 T urn the power OFF . 2 Push and hold the HM-146 ’ s [CALL] and RC-26 ’ s [EMG] switches, then turn the power ON. ■ OPERA TING ON THE ADJUSTMENT MODE • Enter the TX adjustment from the MAIN menu. : Push the RC-26 [1] button • Enter the RX adjustment from the MAIN menu.
5 - 3 5-2 PLL UNIT ADJUSTMENT LPL LOCK VOL T AGE HPL LOCK VOL T AGE REFERENCE FREQUENCY 1 2 1 2 1 2 • Operating frequency : 0.5000 MHz • Mode : J3E • Receiving • Operating frequency : 0.4999 MHz • Receiving • Operating frequency : 29.9999 MHz • Mode : J3E • Receiving • Operating frequency : 0.
5 - 4 C5521 HPL lock voltage adjustment CP5402 HPL lock voltage ckeck point L5204 L5203 R5255 Reference frequency adjustment P5201 Reference frequency ckeck point CP5302 LPL lock voltage ckeck point L.
5 - 5 5-3 P A AND FIL TER UNITS ADJUSTMENT IDLING CURRENT (For drive FET s) (For final transistors) SWR DETECTOR 1 2 • Operating frequency : 12.2350 MHz • Mode : J3E • Apply no audio signal to the [MIC] con- nector . • Disconnect J6702. • Preset R6304 and R6412 on the P A unit to max.
5 - 6 SWR detector check point CP7331 (REF line) Connect to ground CP7332 (FOR line) SWR detector adjustment C7275 R6304 Idling current adjustment (For drive FET s) R6412 Idling current adjustment (Fo.
5 - 7 5-4 RECEIVER ADJUSTMENTS ” TOT AL GAIN ” , “ S-METER ” and “ DSC PEAK ” adjustments must be performed at “ ADJUSTMENT MODE ”. NOISE NULL POINT RECEIVER GAIN TOT AL GAIN S-METER 1 1 1 1 2 • Operating frequency : 0.5 MHz • Mode : A3E • Preset L209 parallel to top edge of its chassis.
5 - 8 Preset to max. counter clockwise Preset to top edge of its chassis L401 L403 L801 L404 L405 L209 Noise null point adjustment R217 R218 Noise null point adjustment L207 L210 L21 1 L208 Set to same height here.
5 - 9 5-5 TRANSMITTER ADJUSTMENTS The following adjustments must be performed at “ ADJUSTMENT MODE ” after “ SWR DETECTOR ” and “ RECEIVER ” ADJUST- MENTS in the SECTION 5-3 and 5-4.
5 - 10 [OK] [VOL] DIAL R6516 Ic-APC adjustment CP7332 Connect to ground • P A UNIT TOP VIEW • RC-26 FRONT P ANEL TRANSMITTER ADJUSTMENTS – Continued 1 • Operating frequency : 13.810 MHz • Mode : J3E • Set the audio generator as: Frequency : 1.
[MAIN UNIT] [MAIN UNIT] IC1 1 1 10004080 S.IC µPC2709T-E3 T IC101 1 13001 1640 S.IC IS62C1024L-45T <ACE> T IC301 1 1 10004080 S.IC µ PC2709T -E3 T IC501 1 1 10005460 S.IC T A4107F (TE12L) T IC901 1 1 10005460 S.IC T A4107F (TE12L) T IC1001 1 130006220 S.
[MAIN BOARD] L1 6200010670 S.COIL C2520C-R18G (0.18U) T L2 6200010740 S.COIL C2520C-R27G-A T L3 6200002860 S.COIL NL 252018T -4R7J T L4 6200002040 S.COIL NL 252018T -101J T L51 6180003440 COIL ELEAH 4R7JA T L52 6200005010 S.COIL NL 252018T -100J T L53 6180003460 COIL ELEAH 3R9JA T L54 6200002040 S.
[MAIN UNIT] R109 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω ) T R1 10 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω ) T R1 1 1 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω ) T R1 12 7030003370 S.RESISTOR ERJ3GEYJ 271 V (270 Ω ) T R1 13 7030003370 S.
[MAIN UNIT] R1208 7030003610 S.RESISTOR ERJ3GEYJ 273 V (27 k Ω ) T R1209 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 k Ω ) T R1210 7030009591 S.RESISTOR ERA3YED 472V T R121 1 7030005871 S.RESISTOR ERA3YKD 104V (100 k Ω ) T R1212 7030003740 S.RESISTOR ERJ3GEYJ 334 V (330 k Ω ) T R1213 7030005871 S.
[MAIN UNIT] R3332 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 k Ω ) T R3333 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω ) T R3334 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 k Ω ) T R3335 7030003360 S.RESISTOR ERJ3GEYJ 221 V (220 Ω ) T R3336 7030003360 S.
[MAIN UNIT] [MAIN UNIT] C171 403001 1280 S.CERAMIC C1608 CH 1H 271J-T T C172 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C173 4030007160 S.CERAMIC C1608 CH 1H 181J-T T C174 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C175 4030007040 S.CERAMIC C1608 CH 1H 180J-T T C176 403001 1600 S.
[MAIN UNIT] [MAIN UNIT] C1002 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C1003 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C1004 4030018610 S.CERAMIC C1608 CH 1H 182J-T T C1005 4030017800 S.CERAMIC C1608 CH 1H 561J-T T C1006 4030006880 S.CERAMIC C1608 JB 1H 472K-T T C1007 4030006880 S.
[PLL UNIT] [MAIN UNIT] J1 6510007020 CONNECTOR TMP-J01X-V6 T J51 6510007020 CONNECTOR TMP-J01X-V6 T J301 6510007020 CONNECT OR TMP-J01X-V6 T J601 6510007020 CONNECT OR TMP-J01X-V6 T J1 101 6510021650 .
[PLL UNIT] [PLL UNIT] R5088 7030003640 S.RESISTOR ERJ3GEYJ 473 V (47 k Ω ) T R5089 7030009620 S.RESISTOR ERJ12YJ120U (12 Ω ) B R5090 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 k Ω ) T R5091 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 k Ω ) B R5092 7030003520 S.
[PLL UNIT] [PLL UNIT] C5080 4030006880 S.CERAMIC C1608 JB 1H 472K-T B C5081 4030006880 S.CERAMIC C1608 JB 1H 472K-T T C5082 4030006880 S.CERAMIC C1608 JB 1H 472K-T B C5083 4030006900 S.CERAMIC C1608 JB 1H 103K-T B C5084 4030006900 S.CERAMIC C1608 JB 1H 103K-T T C5085 4030008680 S.
[P A UNIT] [PLL UNIT] C7126 4010005360 CERAMIC HM1 1SJ SL 301J 500V T C7128 4010005370 CERAMIC HM1 1SJ SL 331J 500V T C7129 4010005870 CERAMIC HM95SJ SL 221J 500V T C7130 403001 1550 S.CERAMIC GRM31M2C2H680JV01L (GRM42-6 CH) B C7131 4030012480 S.CERAMIC GRM31M2C2H121JV01L (GRM42-6 CH) B C7132 4030012480 S.
[P A UNIT] [P A UNIT] R6406 7030010260 S.RESISTOR ERJ1TYJ 3R3 U T R6407 7030001010 S.RESISTOR MCR50JZHJ 10 Ω (100) T R6408 7030001010 S.RESISTOR MCR50JZHJ 10 Ω (100) T R6409 7070001 180 RESISTOR ERX2SJ 2R7 (2.7 Ω ) T R6410 7070001 180 RESISTOR ERX2SJ 2R7 (2.
[DSP BOARD] [DSP BOARD] IC9701 1 1 10001900 S.IC µ PC4570G2-T1 B IC9801 1 130010560 S.IC SN74AHC244PWR B Q9021 1530002060 S.TRANSISTOR 2SC4081 T106 R B Q9201 1590001660 S.TRANSISTOR XP4312 (TX) B Q9301 1590000430 S.TRANSISTOR DTC144EUA T106 T Q9302 1590000430 S.
[DRIVER BOARD] [DSP BOARD] C9303 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C9304 4030006880 S.CERAMIC C1608 JB 1H 472K-T T C9305 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C9306 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C9307 403001 1600 S.CERAMIC C1608 JB 1E 104K-T T C9308 403001 1600 S.
[FRONT UNIT] W8001 8900009230 CABLE OPC-908 (P=1 N=10 L=60) W8002 8900012650 CABLE OPC-1272 TYX4003-210100 W8005 8900008860 CABLE OPC-875 (N:20 L:70) IC8201 1 14001 1600 S.IC HD64F2134AFA20 (EX-2621A) B IC8202 1 1 10005770 S.IC S-80942CNMC-G9C-T2 B IC8205 1 130009700 S.
[REAR BOARD] [DISPLA Y BOARD] C831 1 403001 1600 S.CERAMIC C1608 JB 1E 104K-T B C8312 403001 1600 S.CERAMIC C1608 JB 1E 104K-T B C8313 4510004640 S.ELECTROL YTIC ECEV1CA470SP B J8201 6510021260 S.CONNECTOR B9B-ZR-SM3-TF B J8202 6510022620 S.CONNECTOR 10FMN-BMTTR-A-TBT B J8205 6510022540 S.
S.=Surface mount 6 - 17 [MAIN UNIT] MIC IC1 1 130008990 S.IC LC7366NM-TRM <KN> T Q1 1590003340 S.TRANSISTOR DT A1 14EUA T106 <KN> T D1 1730002500 S.ZENER MA8062-M (TX) <KN> T X1 6060000700 S.CERAMIC PRBC 3.58AR <KN> T L5 6200008620 S.
SECTION 7 MECHANICAL P ARTS AND DISASSEMBL Y 7 - 1 W8002 8900012650 Cable OPC-1272 1 MP8001 8210020240 2140 front panel (A) assembly 1 MP8002 8210020010 2621 reflector 1 MP8003 8930060820 2621 LCD hol.
Screw abbre viations BT , B0, A0: Selt-tapping PH: Pan head BiH: Binding head FH: Flat head SUS: Stainless NI: Nick el BS: Brass NI-ZU: Nick el-Zinc ZK: Black 7 - 2 2 1 3 5 4 6 TUNE SCAN 8 7 9 MUTE 0 .
Unit abbreviations (F): FRONT PARTS (D): DISPLAY BOARD (C): CONNECT BOARD (R): REAR BOARD (A): ACCESSORIES MP8017 (F) DISPLAY BOARD MP8006 (F) MP8001 (F) MP8016 (F) MP8009 (F) MP8003 (F) DS8920 (C) MP.
7 - 4 Unit abbreviations (C): CHASSIS PARTS (M): MAIN UNIT (P): PLL UNIT (DS): DSP BOARD (DR): DRIVER BOARD VARISTOR-2 BOARD MP2 (C) Unit abbreviations (C): CHASSIS PARTS (M): MIC UNIT MP15 (C) MP15 (.
8 - 1 SECTION 8 SEMI-CONDUCT OR INFORMA TION • TRANSISTOR AND FET’S B E C B E C B B E E C C B E C B E C B E C B E C B C E B E C B E C B E C B C E B C E B C E D G S S D G B E C B E C B E C G1 G2 S .
1 10 20 LOCK 11 DN UP PTT 28 to RC-26 DISPLA Y board J8701 17 J1 UDC PTT MIC T ONE 8V DIM MICE GND 9 - 1 SECTION 9 BO ARD LA Y OUTS 9-1 HM-146 • T OP VIEW 9-2 RC-26 9-2-1 CONNECT BO ARD • T OP VIE.
9 - 2 • BO TT OM VIEW (CONNECT BO ARD) 9V 1 19 2 20 to DISPLA Y board J8205 J8920 GND CL1 CS WR GND DB0 DB2 DB4 DB6 5V GND RES RS RD GND DB1 DB3 DB5 DB7 • BO TT OM VIEW (REAR BO ARD) 1 4 7 CLR 2 5.
9-2-3 DISPLA Y BO ARD • T OP VIEW 3 6 9 OK 2 5 8 0 1 4 7 CLR CALL SCAN TUNE MUTE EMG I/O MIC VO L 8V 17 28 to HM-146 MIC unit J1 J8701 DIM MICE GND UDC PTT MIC TO N E 9 - 3.
• BO TT OM VIEW (DISPLA Y BO ARD) GND 19 21 0 J8202 GND FZMD FZRS FZRX GND NC NC FZTX FZ5V GND 9 to IC-F7000 MAIN unit J2051 1 J8201 RXD TXD H13V F AFG FA F GND FMODG FMOD 9V 11 9 2 to CONNECT board.
9 - 5 9-3 IC-F7000 9-3-1 DSP BO ARD • T OP VIEW 1 8 16 9 1 10 20 11 1 7 14 8 1 4 8 5 1 36 108 73 72 37 109 144 5 8 4 1 7 1 8 14 1 14 28 15 1 3 6 4 1 3 6 4 GND1 FDIS FENA1 FINT FRES FD A T FCK FSTB G.
9 - 6 • BO TT OM VIEW (DSP BO ARD) 1 21 to MAIN unit J1102 2 22 J9901 DSPI1 GND GND GND 8V GND AGC 2 GND DSPO1 GND GND GND GND DSPI2 GND 8V GND AGC 1 GND GND GND DSPO2 29 1 MAIN unit J1101 30 2 DRES.
13.8V SEND AAF AGND AMOD CWK FA L C SQLS from PLL unit J7321 MRX W7321 from PLL unit J5601 M1Lo W5601 from/to P A unit J6702 YGR W4520 from PLL unit J5201 M2Lo W5201 14 1 1 1 1 1 4 8 5 1 1 1 30 31 50 .
• BO TT OM VIEW (MAIN UNIT) 9 - 8.
1 4 8 5 4 1 J6301 to DRIVER board GND GND DR VI DR VI 1 4 J6302 to DRIVER board DR VO DR VO GND GND 1 3 J6411 to V ARISTOR-1 board GND VA R O VA R I 1 3 to V ARISTOR-2 board J6412 GND GND VA R O 29 1 .
• BO TT OM VIEW (P A UNIT) 9 - 10.
to P A unit J6401 FLIN W7001 to MAIN unit J601 M1Lo W5601 to MAIN unit J301 M2Lo W5201 from CHASSIS unit J4501 ANT W4503 to MAIN unit J51 MRX W7321 1 8 16 9 12 11 1 23 33 22 44 34 50 26 76 75 51 1 25 .
1 4 8 14 85 5 9 - 12 • BO TT OM VIEW (PLL UNIT).
9-3-5 DRIVER BO ARD • T OP VIEW 9 - 13 GND VA R O VA R I to P A unit J6411 9-3-6 V ARISTOR-1 BO ARD.
DR VI DR VI GND GND to P A unit J6301 GND GND DR VO DR VO to P A unit J6302 • BO TT OM VIEW (DRIVER BO ARD) 9 - 14 GND GND VA R O to P A unit J6412 9-3-7 V ARISTOR-2 BO ARD.
VOLTAGE LINE Explanatory notes TX LINE RX LINE COMMON LINE Bus LINE +5 REG A/D A/D D/A D/A D/A D/A LPF LPF AGC AMP LPF AF AMP BUFF BUFF LPF LPF BUFF IF AMP IF AMP BPF CERAMIC LPF IF AMP BPF LPF LPF BP.
11 - 1 SECTION 11 WIRING DIA GRAM Explanatory notes TX LINE RX LINE COMMON LINE GND NSEN DSAF DSAFE DSMD GND DSMDE H5V RXPC DTRM NMRS NMEO RSSW NMEI2 NMEI L6M GND GND L4M REF L1M FOR THRM L2M S13V TRX.
12 - 1 SECTION 12 V OL T A GE DIA GRAMS 12-1 RC-26 and HM-146 VOLTAGE LINE Explanatory notes TX LINE RX LINE FH13 10V 8V 9V FH13 FH13 FH13 FH13 FH13 FH13 FH13 J8802 AFIN 5V MCE MC FE1 FE1 8V 8V FH13 FH13 FH13 10V UDC TONE TONE 0.
12 - 2 12-2 IC-F7000 12-2-1 MAIN UNIT (1) VOLTAGE LINE Explanatory notes TX LINE RX LINE COMMON LINE B3 B6 UNIT (2) MAIN 1LoB B0 1LoB ALC 1LoB S13V RXS 5V S13V - 5V 5V unit J6701 to PA S13V unit J7331 to PLL SP-25 to R13V S13V MRX YGR HV FMOD FMOD 5V - 5V 5V 5V S13V R1514 6.
12 - 3 12-2-2 MAIN UNIT (2) VOLTAGE LINE Explanatory notes TX LINE RX LINE COMMON LINE - 5V UNIT (3) MAIN ERJ3GE-JPW R229 0.0047 C233 R8 MAGC R8 MAGC MAGC R8 R8 R8 R8 47k R704 MAGC MAGC MAGC R8 MAGC R8 MAGC MAGC R8 5V T8 M3LO R8 MAGC MAGC TX8 T8 AGC1 ALC RX: 6.
12 - 4 12-2-3 MAIN UNIT (3) VOLTAGE LINE Explanatory notes TX LINE RX LINE COMMON LINE 8V unit J5001 to PLL board J9902 to DSP board J9901 to DSP ACC board J8201 DISPLAY to RC-26 H13V TXD RXD GND FAFG FAF FMODG FMOD SQLS 13.8V AGND AMOD AAF CWK SEND EALC RX: 3.
12 - 5 12-2-4 P A UNIT VOL T AGE LINE Explanatory notes TX LINE from MAIN unit J1 J6702 YGR to MAIN unit J1901 PON HV HV FANC S13V S13V S13V S13V S13V J6701 TSCS TUM3 STAT KEY J6703 FAN+ GND J6501 GND GND GND GND EP6602 HV13V HV13V HV13V HV13V EP6603 to CHASSIS W4501 from PLL unit J7001 J6401 FLIN R6110 39 C6202 0.
12 - 6 12-2-5 PLL UNIT (1) VOL T AGE LINE Explanatory notes TX LINE RX LINE COMMON LINE AF/MOD to MAIN unit J3602 AF - GND AF+ NSEND GND MOD - GND MOD+ C5702 0.
12 - 7 12-2-6 PLL UNIT (2) VOL T AGE LINE Explanatory notes P5201 J5201 M2LO CP5202 to MAIN unit J301 L5202 100 µ R5203 100 C5201 0.001 R5204 22k R5207 47 C5202 0.001 R5205 10k R5206 220 C5204 0.0047 Q5202 2SC4215 L5203 LS-471A C5206 0.5p C5205 15p L5204 LS-471A C5207 15p CP5041 CP5251 CP5223 CP5222 CP5221 C5282 0.
12 - 8 12-2-7 DSP BO ARD VOL T AGE LINE Explanatory notes TX LINE RX LINE COMMON LINE 1 5 2 3 4 TMS320VC33PGEA120 IC9301 1 A20 2 VSS 3 A19 4 A18 5 A17 6 DVDD 7 A16 8 A15 9 VSS 10 A14 11 A13 12 CVDD 13.
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1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan S-14012HZ-C1 C 2003 Icom Inc..
デバイスIcom IC-F7000の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Icom IC-F7000をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはIcom IC-F7000の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Icom IC-F7000の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Icom IC-F7000で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Icom IC-F7000を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はIcom IC-F7000の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Icom IC-F7000に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちIcom IC-F7000デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
