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Icom IC-R6, Руководство по обслуживанию, Страница: 7 / 36

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2 - 3

2nd VCO

1st VCO

DOUBLER CIRCUITS

PLL CIRCUIT

• RF UNIT
  (TOP VIEW)

• RF UNIT
  (BOTTOM VIEW)

REFERENCE FREQUENCY 
OSCILATOR 
(X1)

WFM/FM 
MODE SW
(D55)

IF DEMODULATOR IC
(IC12)

1st IF MIXER
(IC1)

2nd IF MIXER
(Q523)

NOISE AMP
(IC13)

BAR/EXTERNA

ANTENNA SW

(Q510)

RF AMP

(Q505)

BAR ANTENNA
TUNING DIODE

(D100)

ATTENUATOR DRIVER

(Q521)

ATTENUATOR

(D68)

1st IF FILTER
(FI1)

WFM/FM MODE SW
(D56)

2nd IF FILTER

(FI3)

1.2 GHz/800 MHz

RF CIRCUIT SW

(Q503)

VHF/UHF RF CIRCUIT SW

(Q502)

EXPANDER

(IC17)

WFM/FM MODE SW

(Q516)

FM/AM AF LINE SW

(IC14)

INVERTER

(IC19)

HF RF CIRCUIT SW
(Q504)

EARPHONE ANTENNA SW
(Q514)

Содержание IC-R6

Страница 1: ...S 14622XZ C1 Feb 2010 COMMUNICATIONS RECEIVER...

Страница 2: ...oints when ordering replacement parts 1 10 digit Icom part number 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110007300 NJM2552V IC R6 RF UNIT 2 pieces 821...

Страница 3: ...OGIC UNIT 4 3 4 3 FREQUENCY SYNTHESIZER CIRCUITS RF UNIT 4 3 4 4 VOLTAGE BLOCK DIAGRAMS 4 4 4 5 CPU PORT ALLOCATION 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2...

Страница 4: ...batteries Receive system Triple conversion superheterodyne Intermediate frequencies 1st 266 7 MHz 2nd 19 65 MHz FM AM 19 95 MHz WFM 3rd 450 kHz FM AM 750 kHz WFM Sensitivity except spurious points FM...

Страница 5: ...2 1 SECTION 2 INSIDE VIEWS LOGIC UNIT TOP VIEW VOLTAGE LIMITER D511 TONE FILTER IC200 CPU IC1 IFV LINE SW Q104 LOGIC3 3V REGULATOR Q103 5 V REGULATOR IC455 3 V REGULATOR IC104 RESET IC3...

Страница 6: ...FILTER Q301 AF PRE AMP Q300 CI V LEVEL CONVERTER IC452 SPEAKER MUTE SW Q507 3S LINE REGULATOR Q102 REGULATOR FOR AF AMP IC454 AF MUTE SW Q350 EEPROM IC2 AF FILTER CTRL Q508 WIDE NARROW MODE SW Q302 C...

Страница 7: ...1 2nd IF MIXER Q523 NOISE AMP IC13 BAR EXTERNA ANTENNA SW Q510 RF AMP Q505 BAR ANTENNA TUNING DIODE D100 ATTENUATOR DRIVER Q521 ATTENUATOR D68 1st IF FILTER FI1 WFM FM MODE SW D56 2nd IF FILTER FI3 1...

Страница 8: ...en removing the rear panel SCREW 2 JACK CAP UNSOLDER Solder remover SCREW ANT NUT VOL NUT DIAL KNOB FRONT PANEL SPEAKER Remove with ICOM Driver L2 8960000171 ICOM Driver Q 8960000370 Remove with LOGIC...

Страница 9: ...When using the connected earphone as an antenna RX signal from the earphone is applied to the RF circuits except 0 10 1 895 MHz band through the earphone antenna SW D101 and D109 ATTENUATOR CIRCUIT W...

Страница 10: ...7 MHz 266 8 1099 695 MHz FM AM 247 050 286 350 MHz 19 650 MHz 1st Lo 2nd Lo 19 950 MHz WFM 246 750 286 650 MHz PLL IC X1 BPF CERAMI C SQ L AMP IF IC SW MODE SW MODE RF UNIT SW AF line From the 2nd IF...

Страница 11: ...requency of the VCO output signal to obtain the 1st LO signal with a wide frequency range The DBL1 Q31 D43 and D50 doubles the VCO output signal ranging from 274 85 to 400 MHz and the DBL2 Q31 D44 and...

Страница 12: ...CPU clock frequency shift H Clock frequency is shifted O 18 DBL1 Doubler circuit DBL1 Q31 D43 D50 control L While receiving 283 494 2 MHz and 833 1066 7 MHz O 19 AF_FIL AF filter LOGIC UNIT R350 and...

Страница 13: ...ion L Squelch close I 120 HVDET The voltage from the external power supply or attached battery pack L Power source detection I 121 PDAUL IC serial data O 122 PSTB IC strobe O 123 PCK IC serial clock O...

Страница 14: ...low Standard signal generator SSG Frequency range 100 kHz to 1 2 GHz Output level 20 to 107 dB 127 to 0 dBm Frequency counter Frequency range 0 1 300 MHz Frequency accuracy 0 1 ppm or better Input lev...

Страница 15: ...MHz Connect a frequency counter to 2nd LO line on the RF UNIT as illustrated below 247 050 MHz 120 Hz 5 2 FREQUENCY ADJUSTMENT 1 Select an adjustment item using BAND TS 2 Set or modify the adjustment...

Страница 16: ...1th scale of the signal strength indicator on the IC R6 LCD disappears 3 Push V M when the 11th scale just disappears Push V M the 11th scale is just disappeared 1 620 MHz 2 Frequency 1 620 MHz Receiv...

Страница 17: ...118 100 MHz Level 0 dB 107 dBm Modulation None Push V M 2 Frequency 174 900 MHz Receiving Set the SSG as Frequency 174 900 MHz Level 0 dB 107 dBm Modulation None UHF SENSITIVITY 1 Frequency 330 100 MH...

Страница 18: ...Hz Receiving Set the SSG as Frequency 145 1 MHz Level 5 dB 102 dBm FM Mode Set the SSG as Level 6 dB 113 dBm 200 MHz band WFM Mode 3 Frequency 200 1 MHz Receiving Set the SSG as Frequency 200 1 MHz Le...

Страница 19: ...1790001261 S DIO MA2S077G0L B 14 8 8 8 D109 1750001910 S DIO HVD144AKRF E B 16 8 39 5 REF PARTS DESCRIPTION M H V NO NO LOCATION RF UNIT M Mounted side T Mounted on the Top side B Mounted on the Bott...

Страница 20: ...ES ERJ2GEJ 103 X 10K T 3 4 30 4 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 RF UNIT R240 7030005120 S RES ERJ2GEJ 1...

Страница 21: ...C266 4030017560 S CER C1005 CH 1H 2R5B T B 16 1 19 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 RF UNIT C267 4030...

Страница 22: ...001391 S FET 2SJ144 Y TE85R F B 17 6 20 9 Q500 1590002950 S FET HAT1023R EL B 41 5 46 8 Q501 1520000460 S TRA 2SB1132 T100 R B 40 6 41 6 Q502 1590004070 S TRA LDTC144EET1G SLVJ B 34 3 37 6 Q503 151000...

Страница 23: ...1K B 38 5 38 4 R531 7030008290 S RES ERJ2GEJ 183 X 18K B 19 1 44 4 R532 7030005040 S RES ERJ2GEJ 472 X 4 7K T 27 7 43 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface...

Страница 24: ...CER C1005 JB 0J 105K T T 30 7 25 5 C524 4030018860 S CER C1005 JB 0J 105K T B 26 23 4 C525 4030017460 S CER C1005 JB 1H 102K T T 75 9 48 6 C526 4030017460 S CER C1005 JB 1H 102K T T 19 2 4 5 C528 403...

Страница 25: ...0 1 EP4 8930058920 SRCN 2605 SP N W 1 MP2 8510014830 2605 SHIELD CASE 1 MP3 8930080530 3250 LCD HOLDER 1 MP4 8810009181 0TAP 1FLAT WASHER B0 2X5 NI ZC3 BT 2 MP5 8510019670 3250 LOGIC SHIELD 1 MP6 8510...

Страница 26: ...1 C S6 L MP20 C MP8 C MP2 L MP9 L MP10 L MP7 L J500 L MP5 L W1 L MP19 C MP22 C MP24 C 2 MP23 C 2 MP22 C 2 MP4 L 2 MP2 R 3 MP5 R RF UNIT MP2 R 3 MP24 C 2 MP11 R MP16 R LOGIC UNIT EP2 R MP15 R MP14 R MP...

Страница 27: ...34 C136 C141 C142 C147 C148 C150 C169 C171 C172 C176 C201 C203 C206 C210 C216 C218 C221 C234 C237 C239 C246 C248 C256 C258 C259 C410 C414 C423 C425 C431 C432 C434 C435 C436 C501 C503 C504 C505 C516 C5...

Страница 28: ...R78 R93 R100 R101 R120 R121 R128 R129 R130 R131 R132 R133 R134 R135 R147 R151 R152 R154 R159 R204 R205 R207 R208 R209 R210 R215 R241 R247 R319 R320 R323 R324 R325 R326 R332 R334 R347 R358 R359 R360 R...

Страница 29: ...59 MA2S077 FI3 FL 293 D 60 MA2S077 D 61 MA2S077 Q5 2SC5006 IC12 NJM2552 D56 MA3S132 D 55 MA3S132 FI2 LTM450 D52 HVD144 D50 HVD144 D47 HVD144 Q31 FH102 Q31 FH102 D42 MA2S077 D43 MA2S077 D44 MA2S077 Q 4...

Страница 30: ...D100 1SS372 Q100 2SC4738 IC100 TC7W04 D101 1SS372 D102 1SS372 D103 1SS372 DS1 IC2 R1EX24256 IC1 UPD78F1508GF 3V IC104 NJU7775F03 REG 3 3CPU I C454 NJU7775F3 2 IC450 TS4990 IC451 SM6451 AMUTE Q350 2SJ1...

Страница 31: ...0 001 C9 0 001 C7 R13 1k 0 001 C8 R11 1k 0 001 C5 R12 1k 0 001 C6 R6 R7 0 001 C526 0 R548 100k R549 100k R550 18k R505 CP10S CP5 CP10S CP6 0 5P C53 R16 470k MMZ1005Y102CT EP17 R39 1k 3 9k R103 0 1 C52...

Страница 32: ...EN 2 VOUT 3 FB 4 LBO 5 GND 6 VBAT 7 LBI 8 PS 9 SW 10 PGND 11 4 7k R532 47k R533 CP10S CP3 CP10S CP4 M PZ1608S221 A EP14 0 001 C525 M PZ1608S221 A EP15 VFY1111C DS2 VFY1111C DS3 120 R59 120 R542 RB551...

Страница 33: ...MA2S077G0 D64 MA2S077G0 D70 MA2S077G0 D76 33N L2 22N L10 33N L9 47N L15 12N L53 12N L54 10N L55 5 6N L8 5 6N L13 5 6N L42 4 7N L43 4 7N L44 6 8N L56 47N L74 0 1U L41 100U L90 680P C657 390P C666 0 001...

Страница 34: ...4738 Q518 0 001 C264 1k R121 47 R347 220k R36 180 R62 2SC5006 Q5 1k R34 0 001 C73 470 R196 180k R198 2SC5006 Q523 100k R356 0 001 C432 2 2k R219 220 R348 3P C435 1k R203 2SC5006 Q525 0 001 C697 MA2S07...

Страница 35: ...454 7619 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...

Страница 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14622XZ C1 2010 Icom Inc...

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