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SERVICE

MANUAL

COMMUNICATIONS RECEIVER

1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan

S-13905IZ-C1

© 2002 Icom Inc.

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Содержание IC-R5

Страница 1: ...SERVICE MANUAL COMMUNICATIONS RECEIVER 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13905IZ C1 2002 Icom Inc...

Страница 2: ...920 LCD contact IC R5 LOGIC UNIT 5 pieces 8810009560 Screw PH BO M2x6 ZK IC R5 CHASSIS 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal...

Страница 3: ...CATIONS 4 6 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 3 5 3 ADJUSTMENT MODE ADJUSTMENTS 5 5 5 4 AUTOMATICALLY ADJUSTMENTS 5 8 SECTION 6 PARTS LIST SECTION 7 MECHANICAL P...

Страница 4: ...dB SINAD AM is measured at 10 dB S N Squelch Sensitivity Selectivity AM FM more than 15 kHz 6 dB less than 30 kHz 60 dB WFM more than 150 kHz 6 dB Audio output power 100 mW typical at 10 distortion w...

Страница 5: ...vertor IC102 XC6371A351PR D105 RB551V Battery charger circuit D503 MA133 D500 SB07 03C Q501 2SB 1132 Crystal bandpress filter Fl3 FL 293 IF amplifer Q5 2SC4215 IF amplifier Q1 XP6501 PLL circuit AGC a...

Страница 6: ...rew 1 screw B 2 Unsolder 4 points C 3 Remove 1 knob and 1 cap G Unscrew 2 nuts E and F 4 Unplug H to separate the LOGIC unit and then remove the RF unit REMOVING THE LOGIC UNIT 1 Unsolder 2 points I 2...

Страница 7: ...d switching diode D63 and high pass filter C516 C520 L83 L84 and are then applied to the RF amplifier circuit Q505 via the band switching diode D64 2 118 MHz 174 995 MHz 330 MHz 832 995 MHz RF signals...

Страница 8: ...S RF UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal The filtered 266 7 MHz 1st IF signal from the bandpass filter is mixed with the 2nd LO signal at the 2nd mixer circuit IC1...

Страница 9: ...nternal speak er via the EXT SP jack The electronic volume control circuit controls AF gain there fore the AF output level is according to the VOL setting and also the squelch conditions 4 1 7 SQUELCH...

Страница 10: ...applied to the 1st mixer circuit IC1 pin 3 via the LO switch D47 BYPASS CIRCUIT The oscillated signal at the VCO circuit is amplified at the buffer amplifier IC4 and then applied to the other buffer...

Страница 11: ...voltage from the external power supply or attached battery The same voltage as the HV line external power supply or battery pack Common 14 V converted from the clock signal LOGIC unit IC1 pin 40 by th...

Страница 12: ...ts control signal for the WFM circuit Low While receiving WFM mode Outputs control signal for the AM cir cuit Low While receiving AM mode Input port for the SQL detection noise signal 48 49 50 51 52 5...

Страница 13: ...put port for the up down signals from the DIAL Input port for the SQL swtich Low SQL swtich is pushed Input port for the FUNC swtich Low FUNC switch is pushed Input port for the MODE switch Low MODE s...

Страница 14: ...ustment value to the CPU CONVENIENT AUTOMATICALLY ADJUSTMENT BAR ANTENNA VHF SENSITIVITY and UHF SENSITIVITY ADJUSTMENTS can be ajusted automatically The detail shows at page 5 8 SECTION 5 ADJUSTMENT...

Страница 15: ...onductor plug 68 k to SP jack Power supply 6 V 1 A JIG AD 92SMA Power supply 3 V 1 A POWER SUPPLY CONNECTION IC R5 has two pattern Using DC 6V jack CAUTION DO NOT input more than 3 0 V when connect th...

Страница 16: ...Receiving Displayed frequency 493 300 MHz Receiving Displayed frequency Fr ch 439 800 MHz Receiving Displayed frequency 145 600 MHz Connect an SSG to the antenna connector and set as Level 1 mV 47 dB...

Страница 17: ...VOLTAGE adjustment QUAD DETECTOR OUTPUT VOLTAGE check point V 2ND VCO LOCK VOLTAGE check point LV1 1ST VCO LOCK VOLTAGE check point F REFERENCE FREQUENCY check point L63 1ST VCO LOCK VOLTAGE adjustme...

Страница 18: ...an SSG to the antenna connector and set as Level 1 V 107dBm Modulation OFF Receiving Displayed frequency trH ch 469 900 MHz Receiving RF RF RF RF RF RF Connect DC volt meter to the check point SEN Con...

Страница 19: ...5 6 SEN BAR ANTENNA check point VHF SENSITIVITY check point UHF SENSITIVITY check point RF UNIT Bottom view...

Страница 20: ...g Set the SSG level 1 6 V 103 dBm Mode WFM Receiving Displayed frequency SM ch 435 100 MHz Set the SSG level 0 5 V 113 dBm Mode FM Receiving Set the SSG level 1 6 V 103 dBm Mode WFM Receiving Displaye...

Страница 21: ...MHz Connect the SSG to the antenna connector and set as Level 40 mV 15 dBm Modulation OFF Receiving Displayed frequency trH ch 1 620 MHz Set the SSG level 50 mV 13 dBm Receiving Displayed frequency t...

Страница 22: ...SISTOR ERJ2GEJ 101 X 100 R25 7030004980 S RESISTOR ERJ2GEJ 101 X 100 R26 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k R27 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k R28 7030005120 S RESISTOR ERJ2GEJ 102 X 1 k...

Страница 23: ...J C100 4030017510 S CERAMIC ECJ0EC1H680J C101 4030008680 S CERAMIC C2012 JF 1C 105Z T C102 4030017460 S CERAMIC ECJ0EB1E102K REF ORDER DESCRIPTION NO NO LOGIC UNIT C103 4030008680 S CERAMIC C2012 JF 1...

Страница 24: ...ISTOR 2SC5277D2 TL Q508 1590001660 S TRANSISTOR XP4312 TX Q509 1590002430 S TRANSISTOR DTA144EE TL Q510 1590001540 S TRANSISTOR UMD6N TR Q513 1590001650 S TRANSISTOR XP4601 TX Q514 1590001540 S TRANSI...

Страница 25: ...470 R57 7030007340 S RESISTOR ERJ2GEJ 153 X 15 k R58 7030005010 S RESISTOR ERJ2GEJ 681 X 680 R59 7030005030 S RESISTOR ERJ2GEJ 152 X 1 5 k R60 7030005090 S RESISTOR ERJ2GEJ 104 X 100 k R61 7030005240...

Страница 26: ...C49 4030017360 S CERAMIC ECJ0EC1H030B C50 4030017340 S CERAMIC ECJ0EC1H010B C51 4030017360 S CERAMIC ECJ0EC1H030B C52 4030017730 S CERAMIC ECJ0EB1E471K 6 5 REF ORDER DESCRIPTION NO NO RF UNIT C54 403...

Страница 27: ...J0EB1E102K C507 4030017700 S CERAMIC ECJ0EC1H151J C510 4030017350 S CERAMIC ECJ0EC1H020B C511 4030017660 S CERAMIC ECJ0EC1H330J C512 4030017660 S CERAMIC ECJ0EC1H330J C513 4030017680 S CERAMIC ECJ0EC1...

Страница 28: ...891 T rubber 1 2 MP26 8930058980 Sponge GY 1 MP28 8930058310 2605 DC cap 1 7 1 CABINET PARTS CHASSIS PARTS REF NO ODER NO DESCRIPTION QTY DS1 5030001990 LCD TTR5169 1 EP3 6910014600 E Other CV1071 1 E...

Страница 29: ...LOGIC UNIT MP9 C 5 SP1 C MP4 C MP7 C MP11 C MP1 C MP14 C MP10 C MP6 C MP13 C MP23 C MP15 C MP2 C MP3 C MP26 C MP5 C MP22 C MP22 C MP19 C MP18 C MP17 C MP24 C MP24 C MP4 L MP8 C J1 C RF unit LOGIC unit...

Страница 30: ...QO 2SC4117 GR Symbol DG 2SK880 Y Symbol XY HAT1023 R Symbol 1023 DTC144 EE Symbol 26 DTC144 TE Symbol 06 FH102 Symbol 102 DTA144 EE Symbol 16 UMD6 Symbol D6 XP1113 Symbol 7L XP1501 AB Symbol 5R XP4312...

Страница 31: ...450 C23 R25 C51 W7 W5 W4 W3 W2 W17 R17 C9 C7 C6 C12 C13 Q5 Q452 EP9 EP2 EP1 IC1 MP3 DS1 EP4 EP3 X1 C454 R24 R103 C29 C21 R27 R58 R451 R105 R59 C53 R64 R65 C116 R104 C45 C505 C25 C31 R28 R29 R30 R34 R3...

Страница 32: ...0 R322 R312 R320 C318 R38 R36 C18 C17 C24 C20 C209 R209 R202 R321 R14 R12 R11 R319 R311 R323 R203 R204 R200 W200 C204 C205 C35 C30 Q500 C131 Q501 C135 C110 C108 C106 C103 C109 C107 C104 D103 D102 D101...

Страница 33: ...L91 C667 R327 R235 C545 D68 C542 C541 R232 C151 R14 L3 R13 L84 Q35 D4 L92 L9 L12 L43 L44 L60 IC10 FI3 Q41 C242 D5 Q36 C520 D65 C532 C525 C568 C523 L85 C524 D70 D64 C521 C529 C530 C562 R134 Q33 C560 C...

Страница 34: ...D20 Q502 Q513 Q501 D67 Q505 L90 C557 C69 R78 C118 C35 D32 C436 L74 D59 R203 L21 C201 R207 D61 L15 R102 R101 D21 L42 Q24 R100 C145 D71 C121 R81 C153 C16 R11 C15 C14 C243 C548 R216 Q14 L70 R10 C37 L8 C3...

Страница 35: ...Q502 DTC144 IC102 XC6371A351PR D105 RB551V IC103 R1111N321B IC3 R3112N281A Q103 2SA1588 Q102 2SA1588 Q101 XP6501 Q104 2SA1588 EP3 CV1071 Q5 2SC4081 Q4 DTC144EE D2 MA2S111 D3 MA8027 Q2 DTC144 D1 MA2S1...

Страница 36: ...R317 470 k C401 1 S4 R408 220 k R48 1 k D301 MA132WK C20 0 001 R305 82 k C24 0 001 R306 15 k R308 18 k C101 1 R47 1 k C35 0 001 R31 1 k C311 0 0068 R35 1 k R450 4 7 k R65 10 k C400 0 1 IC200 NTM2904V...

Страница 37: ...V308 C674 47 P 1 2 3 Q504 XP1113 C15 1 P R224 3 3 k C16 0 001 C527 82 P R228 100 C518 0 001 C121 0 001 C560 0 001 1 2 3 C538 0 1 C561 0 001 D25 1SV308 C118 0 001 C532 0 1 R78 D64 MA2S077 C537 0 1 C531...

Страница 38: ...SERVICE MANUAL COMMUNICATIONS RECEIVER 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13905IZ C1 2002 Icom Inc...

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