Icom IC-R100 User's Manual
Contents
1. Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimmer Resistor Resistor Resistor Trimmer Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimmer Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimmer Resistor Resistor Resistor DESCRIPTION ELR20J 33 R20J 12 ELR20J 6 8 R20J 100 R20J 10 R20J 220 Q ELR20J 100 0 ELR20J 18 ELR20J 22 ELR20J 47 R20J 10 ELR20J 330 ELR20J 100 ELR20J 270 R20J 22 R20J 47 R20J 47 R20J 47 ELR20J 220 ELR20J 3 3 R20J 100 ELR20J 6 8 ELR20J 330 Q ELR20J 330 Q ELR20J 10 R20J 5 6 R20J 18 R20J 1 2 R20J 18 2 00 B15 104 ELR20J 15 20 470 ELR20J 47 2 00 B15 104 R25XJ 470 R20J 470 R20J 1 ELR20J 1 5 ELR20J 1 ELR20J 1 ELR20J 1 ELR20J 10 R20J 220 ELR20J 100 ELR20J 10 ELR20J 18 R20J 3 3 R20J 392. Setscrew M3 x 6 PH A M5 x 20 sesso Screw abbreviations Pan head BS Brass Ni Nickel Self tapping e Flat vvasher 5 NI BS Spring vvasher 5 Ni VR UNIT B 2462A LOGIC UNIT B 2460D TENKEY UNIT B 2461B FIL 2 UNIT B 2599A gt 2598 MAIN UNIT B 2458B 5 3 CHASSIS PARTS LABEL NUMBER o lt ORDER DESCRIPTION 8930005360 8930017810 2510000470 8110004020 8810006130 8930001540 8010009920 8930018370 8810003350 8930018570 8930018580 8850000420 8930007430 8810002110 8810003150 8010009870 8930001160 8510000020 6450000970 6510000360 6510000410 6510000360 8810002160 8810003150 8410001500 8810000240 8830000100 8810003150 8010009880 Sponge 833 SP plate Speaker EAS 6P100SA Bottom cover BiH M2 6 x 5 ZK uL Sponge 2 Chassis Tuner base cover Setscrew C M3 x 5 Rubber sheet Standoff Spring washer M3 NI Shield plate 2 6 5 Setscrew 5 Back panel top Ground spring 194 shield case ANT connector HSJ0914 01 140 ANT SEL ANT connector NR DS E 02 2 905 2 ANT connector MR DS E 02 0 5MHz 50MHz ANT connector NR DS E 02 905 2 1800 2 M3 x 5 Setscrew A 5 MAIN heatsink M3 8 Nuts M3 Setscrew A M3 x 5
3. SERVICE MANUAL WIDEBAND RECEIVER IC RIOO Icom Inc INTRODUCTION This service manual describes the latest service infor mation for the IC R100 VVIDEBAND RECEIVER at the time of going to press 5 versions of the IC R100 have been designed This service manual covers each version VERSION NO VERSION SYMBOL m To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or obligation DANGER NEVER connect the receiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the receiver DO NOT expose the receiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting the receiver DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the receiver s front end UQUID CRYSTAL DISPLAY aim nni UTLIULULILELI PAUSE MODE 12 se COMMUNICATIONS RECEIVER TC R1OO ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 1130001000 IC UPD4066BC IC R100 MAIN UNIT 5 pieces 8810006130 Screw BiH M2 6 x5 IC R100 Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR N
4. 5 1 3 FRONT PARTS hh heh hh eme hh 5 1 ACCESSORIES as 5 1 CHASSIS GOES edle gU Ur AE 5 2 PARTS ET 6 1 9 ADJUSTMENT PROCEDURES ea 7 1 8 PREPARATION BEFORE SERVICING cee eee tnt 7 1 TEST EQUIPMENT 7 1 PLL ADJUSTMENT 7 2 RECEIVER ee ee tte eee tees 7 3 BOARD LAYOUTS La a bisce eal seeds 8 1 5 SUBORDINATE LOGIC 5 2 2 8 1 MAIN UNIT RR Rh eek heran 8 3 PLE UNIT ie ORE eh dela 8 4 SUBORDINATE PLL UNITS 8 5 VOLTAGE DIAGRAM 9 1 SECTION 1 SPECIFICATIONS e Frequency coverage e Mode Tuning step increments e Antenna impedance e Power Supply requirement e Current drain at 13 8 V DC e Usable temperature range e Frequency stability at 1800 MHz e Number of memory channels e Dimensions e VVeight e Sensitivity e Selectivity e Audio output povver e Audio output impedance VERSION FREQUENCY COVERAGE U S A Europe 0 1 1856 MHz Australia 13 95 14 5 MHz 28 0 29 7 MHz 144 0 146 0 MHz 430 0 44
5. This output level of the standard signal generator SSG is indicated as SSG s open circuit e MAIN UNIT R168 Total sensitivity adjustment presetting R173 Total sensitivity adjustment Total sensitivity adjustment R111 Total sensitivity check point Total sensitivity adjustment S meter adjustment RECEIVER ADJUSTMENT CONTINUED ADJUSTMENT MEASUREMENT POINT VALUE UNIT LOCATION UNIT ADJUST PRE AMP 1 e Displayed frequency Function S indicator 3 dots S5 PLL R73 144 100 MHz FRG version display 120 100 MHz All other versions Mode T EM LEE PRE ATT switch ON Set the signal generator Level 1 8 102 dBm Modulation OFF AFC Displayed frequency MAIN Connect the OV MAIN R55 144 100 MHz FRG version oscilloscope to J9 120 100 MHz All other versions pin 3 Mode FM e PRE ATT switch OFF Set the signal generator Level 3 2 uV 97 dBm Modulation OFF Shift the signal generator frequency 2 kHz 3 Shift the signal generator frequency Connect the Verify oscilloscope to J9 pin 4 Shift the signal generator frequency Connect the 5 kHz oscilloscope to J9 pin 2 SQUELCH Displayed frequency Bottom Speaker Squelch threshold Front SQUELCH 144 100 MHz FRG version cover point is between the 9 panel control 120 100 MHz All other versions Mode FM e PRE ATT switch OFF Apply no signal to the antenna connecto
6. o 75P 3P 128 it LA 384 est 88 val R53 o 100 852 NF 146 BTOIRNI AGI 46 012 25 s RNI404 HT 5 58 25 sever PRE 4 4V Br 10 BTOIRNI A61 258798 SMS t 1 8 8 9 4V 014 44 7 RNI404 8 5 Dad 93VIFI S FB 10 9 4vtFa 7 R65 56 FILI C63 01 e as Lig 0 684H 012 MI 204 R66 330 x CI69 0 C5 470P ND487CI 3R 4 1630 32 7490MHr 32 750 49 9990 5 rs s0 000 ss asoum 221 750 475 7490MHr rr 475750 re sosono ser erawn F9 997 500 4380 4875 i 1380 500 1856 0000MHz gt HELA Riz 8 6V FI 3 185 Ls 289 47P 174 10 88 R39 10K 0 0047 3 0 01 LI mm 3 L2 4 744 C105 Ya 8 5V F8 9 o7 7 8V F8 9 8 6VIF8 10 N 2541362 98 25 8 5V FIO C62 0 0 7 8vIFIO 8 3V F8 9 8 3VIEXCEPT RA 0 001 CI39 470P 4TOP 3 3 YA C148 1 49 LA 222 9 amp q CSREES 0 75 IP SE CI55 0 5 25 I35
7. um O gt 5 i us 98 El El at us C57 0 01 Hb du i gt wa 5 a Isso C74 0 01 47 i un on 4 t pi gt o a 6544 R44 3 16 120 C54 33 csi 33 RSO C77 0 0047 R45 470 C50 0 0047 AN RSO C52 0 001 3 0 022 sl HE R91 100K R94 47K R95 100K 98 IM o v 1C4 a Q9 RNI204 MAIN UNIT TAGC RNI204 020 155133 AMFM 3 6V WFM OV 019 9 3V 22P z n 3 5 12 3 14 Ci2 0 0047 4 09 RD62E 82 L6 10 R46 120 C53 1 5 caro 55 3 95 25 2785 17 15 284 C54 33 csi R47 100 R48 47 vv R45 470 3 C50 0 0047 LI 474H CDAIO 7MC4A A 14 4 CI 100P 4 18 164 CI9 33P RI43 RIT C28 0 01 82 8 cis e R36 ERT D2ZHL462S C35 0 001 04 15553 hd 5 R30 RIS RM 7 47 100 2 7K eT 5 5
8. 5 1g x 8 x 9 1000 gt 7 4 R43 5 22K T 8V fto 8 8V FIO 8 3V F8 9 FIO Lo LOCK TS 00ysec 56 Lw 25 8 4 7Yp p sl Fl v ST 87 32 5 5 5 m ts 4 a t 8 s MBISOIPF gt 54 5 G BND IC8 uPCI678G o om LS Te T En 7 zo cal b 185226 71 8 ziv ek 0 001 2 I L 5 ES 6 901 1 8 1 sy 274 Y a C24 0 01 a cISS 0 5P 87 T 184 47 8 3 6 2v 8 83 8 UNL 9 oo 8 NO SIGNAL 8 se 8 T a T 02 MAIO H LocK 4 0V A ex oL OPEN et 900 0 001 LESS THAN 520 C C33 10 35 10 amp 4v F8 10 1 5 L5 day ara 81 C37 10 o 8 2 gt N R77 ioo s o 8 9 8 lt 5 e hig 2 2 4 3 g si to LOSIC UNIT a 5 0 0047 2 QI 20V 25 3776 15 14 FL I37 100P x i 5 EP J 8 OFF u 8 2 J6 e M A VR UNIT AFE wn Pi AF2 5 47 152 220 R39 47K Rs8 IOK R37 18K MN d 5 8 ejen un 3 E 3 2 09 A 8 Rise 4 7K 081732 LS SH RI40 220K X 0 WV 4 IClO g CR 318 M5223L ra s RI 5 00K rue
9. m _ H3 8 es gt J4 4 R66 IK FM LoJ MA MAT wol Pe Sal 243 BUSY 94 4 1 5 3 CLOCK 0N 5 ALL RESET NSQ2 gt o ssal 5 0 44 sot 0 4 Seup 45 545 R72 IK eso R73 IK 851 9 N canti 874 IK 852 S N R75 IK pd soy CSI em 053 PA 024 I rs sam 0 0047 x 8 O P32 MAC 55 55 55 3 AFI AFEI 90 3 3 PI pa 5 0000 33 MAIN UNIT nn Un HH So PI 33 e EXT SP SPI Pi 13 8 UNL GNO J3 05 soMHz E C63 R65 56 it 59 83 28 n A Di2 MI 204 Cie9 _ LI 0 274H 0 C4 22 2 5 3 pelle t 3 RE 85 50 905MHz 1 gi mum 8 Ci79 85 0 75P 0 75P 470P 33 4 4t l i R44 100 A 5 n 8 sos 98 38 T 8 58 55 6 4 po J 5 m Le s 100P LJ 132 2s 5 4SV237
10. 7010004230 Resistor R20J 2 2 kQ 7510000260 Thermistor ERT D2ZGL102S 7010004270 Resistor R20J 4 7 7010003280 Resistor ELR20J 100 Q ELR20J 100 Q ELR20J 10 Resistor Resistor 7010003280 7010003530 7010004190 Resistor R20J 1 7010003240 Resistor ELR20J 470 7010004070 Resistor R20J 100 Q ELR20J 47 ELR20J 1 5 ELR20J 1 5 ELR20J 47 ELR20J 1 5 Resistor Resistor Resistor Resistor Resistor 7010003620 7010003420 7010003420 7010003620 7010003420 7010004150 Resistor R20J 4700 7010004190 Resistor R20J 1 7010003720 Resistor ELR20J 330 7010004280 Resistor R20J 5 6 7010003580 Resistor ELR20J 22 7010004410 Resistor R20J 47 ELR20J 4 7 ELR20J 2 2 Resistor Resistor 7010003480 7010003440 7010004110 Resistor R20J 2200 7010003580 Resistor ELR20J 22 7010003520 Resistor ELR20J 8 2 7010003280 Resistor ELR20J 100 Q 7010003240 Resistor ELR20J 470 7010003450 Resistor ELR20J 2 7 7010003440 Resistor ELR20J 2 2 7010003440 Resistor ELR20J 2 2 7010004230 Resistor R20J 2 2 7010003480 Resistor ELR20J 4 7 7510000270 Thermistor ERT D2ZHL462S ELR20J 18 RH0651C14J2WA 103 ELR20J 47 ELR20J 15 Resistor Trimmer Resistor Resistor 7010003560 7310000750 7010003620 7010003550
11. ELR20J 12 R20J 15 ELR20J 18 2 00 15 104 ELR20J 3 9 ELR20J 1 R20J 100 R20J 100 R20J 4700 ELR20J 82 ELR20J 39 R20J 3 3 ELR20J 2 2 ELR20J 220 ELR20J 47 2 00 B54 503 ELR20J 47 ELR20J 3 3 Q R20J 1 MAIN UNIT 7010003080 7010003950 7010003400 7010004650 7010003360 7010004320 7010004340 7010004450 7010004450 7010003700 7010003690 7310003220 7010003040 7010003780 7070000610 7010004410 7010003620 7010003460 7010004110 7310000770 7010003520 7010004450 7010004270 7010003630 7510000330 7010004650 7070000270 7010004030 7010003610 7010003530 7010003440 7010004600 4610001360 7010003660 7010004250 7010004320 7010004490 7310000680 4010000500 4040000250 4010000650 4010000330 4010000510 4010000510 4010000510 4010000170 4010000170 4010000180 4010000120 4010000520 4040000150 4010000340 4010000500 4010000060 4010000330 4010000220 4010003460 4010000800 4010000920 4010001020 4510001970 4040000260 4010000320 4010000520 Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimmer Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimmer Resistor Resistor Resistor Resistor Thermistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Trimme
12. 471 50V Ceramic Ceramic 4510002930 Electrolytic 50 SS R47 HF 4510002940 Electrolytic 50 55 1 4010000500 Ceramic 00104 102 50V 4510002880 Electrolytic 25 55 220 4510002640 Electrolytic 25 55 47 4510002900 Electrolytic 25 SS 470 uF 4510002640 Electrolytic 25 SS 47 pF 4510002880 Electrolytic 25 SS 220 uF 4040000260 Barrier Layer UZE 08X 104 4510002830 Electrolytic 25 SS 4R7 hF DD108 B 472K 50V DD108 B 472K 50V 25 SS 4 7 25 SS 4R7 20108 B 472K 50V 00108 472 50V 00108 472 50V 16 SS 47 UZE 08X 104 DD104 B 102K 50V Ceramic Ceramic Electrolytic Electrolytic Ceramic Electrolytic Barrier Layer Ceramic 4010000520 4010000520 4510002830 4510002830 4010000520 4010000520 4010000520 4510002810 4040000260 4010000500 4510002830 Electrolytic 25 SS 487 4040000250 Barrier Layer UAT 08X 473M 4510002940 Electrolytic 50 SS 1 4040000150 Barrier Layer UAT 05X 472K 4510002900 Electrolytic 25 SS 470 hF DD108 B 472K 50V DD108 472K 50V 25 55 487 UZE 08X 104M UZE 08X 104M UZE 08X 104M 4010000520 4010000520 4510002830 4040000260 4040000260 4040000260 Ceramic Ceramic Electrolytic Barrier Layer Barrier Layer Barrier Layer 4510002910 Electrolytic 25 SS 1000 uF 46100
13. FIL 2 HFB2 54 0 9 8 N 0910025511 6910002720 FIL 3 UNIT ORDER 6200000950 Coil NL 322522T R18M 6200000940 NL 322522T R27M Ceramic C2012 SL 1H 560J 4030004580 4030004610 Ceramic C2012 SL 1H 101J 4030004620 Ceramic C2012 SL 1H 121J T A 4030004520 Ceramic C2012 SL 1H 220J T A C2012 SL 1H 820J T A 4030004600 Ceramic P C Board Lead Frame B 2600 FIL 3 HFB2 54 0 9 8 N 0910025520 6910002720 FIL 4 UNIT DESCRIPTION 6200000950 Coil NL 322522T R18M 6200000840 Coil NL 322522T R22M 6200000960 NL 322522T R33M 6200000840 NL 322522T R22M 4030004600 Ceramic C2012 SL 1H 820J T A 4030004500 Ceramic 2012 SL 1H 180J 4030004580 Ceramic C2012 SL 1H 560J T A 4030004630 Ceramic C2012 SL 1H 151J T A 4030004670 Ceramic C2012 SL 1H 271J T A 4030004600 Ceramic C2012 SL 1H 820J T A 4030004710 Ceramic C2012 JB 1H 471K 4030004690 Ceramic C2012 SL 1H 331J 4030004630 Ceramic C2012 SL 151J T A 0910025530 6910002720 P C Board B 2601 FIL 4 Lead Frame HFB2 54 0 9 8 N SECTION 7 ADJUSTMENT PROCEDURES 7 1 PREPARATION BEFORE SERVICING REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE DC power supply Output voltage 13 8 V DC Oscilloscope Frequency range DC 50 MHz Current capa
14. IMAIN UNIT DESCRIPTION 4510002830 Electrolytic 25 487 4010000530 Ceramic DD112 8 103K 50V 4010000460 Ceramic DD104 B 471 50V 4040000090 Barrier Layer UAT 04X 152K 4010000220 Ceramic DD104 SL 330J 50V 4040000190 Barrier Layer UAT 05X 103K 4510002940 Electrolytic 50 SS 1 4040000250 Barrier Layer 08X 473 4010000500 Ceramic DD104 B 102R 50V 4010000500 Ceramic DD104 B 102 50V 4040000250 Barrier Layer UAT 08X 473M 4040000260 Barrier Layer UZE 08X 104M 4040000260 Barrier Layer UZE 08X 104M 4040000250 Barrier Layer UAT 08X 473M 4010000320 Ceramic DD104 SL 820J 50V 4040000250 Barrier Layer UAT 08X 473 4040000260 Barrier Layer UZE 08X 104M 4040000150 Barrier Layer UAT 05X 472R 4010000500 Ceramic DD104 102 50V 4040000150 Barrier Layer 05 472 4510002780 Electrolytic 16 55 10 4010003580 Ceramic DD106 101 50V 4010003580 Ceramic DD106 UJ 101 50V 4040000150 Barrier Layer UAT 05X 472K 4010000820 Ceramic DD105 CH 330J 50V 4010000500 Ceramic DD104 B 102K 50V 4010000030 Ceramic DD104 SL 1R5C 50V 4010000820 Ceramic DD105 CH 330J 50V 4010000520 Ceramic DD108 B 472K 50V 4010000520 Ceramic DD108 B 472K 50V 4040000190 Barrier Layer UAT 05X 103
15. SERIAL DATA x1 g J 12 6 MHz 4 3 4 VCO CIRCUIT PLL UNIT Each of the 4 VCO s oscillates a different frequency on the TUNER UNIT EP2 The Fig 7 8 shows the relations between VCO and oscillation frequency Fig 8 The signals are buffer amplified at IC4 and then applied to IC3 pin 8 The buffer amplifier IC4 protects the PLL output signal against VCO oscillation 4 3 5 DC DC CONVERTER CIRCUIT PLL UNIT IC5 is a DC DC converter which creates approximately 30 V DC from 10 V DC to obtain wide range lock voltages for the PLL circuit Fig 7 TUNER UNIT EP2 eae 1 1 09 i IF OUT I 45 995 i 46 004 MHz l LOOP FILTER 4 4 POWER SUPPLY 5 4 4 1 VOLTAGE LINES LINE DESCRIPTION 13 8 V DC controlled by the PWS signal line 5V Common 5 V converted from the 13 8 V line at IC 9 on the MAIN UNIT 10 V DC converted from the 13 8 V line IC8 on the MAIN UNIT is a switching regulator IC and converts IC5 output into approx 30 V DC 4 4 1 SWITCHING CIRCUIT MAIN UNIT This circuit consists of Q17 Q18 and Q30 The circuit corresponds to the high rippled DC voltage which an AC adapter contains When a ripple is present in DC voltage a ripple filter C129 R132 eliminates the ripple to obtain clear reception 4 4 2 5VAND 10V REGULATOR CIRCUITS MAIN UNIT The voltages are supplied from regulator circuits correspondi
16. 7010004400 Resistor R20J 39 7010003360 Resistor ELR20J 470 Q 7010004080 Resistor R20J 1200 7010004070 Resistor R20J 100 Q 7010000990 Resistor R25XJ 470 ELR20J 1000 ELR20J 1800 Resistor Resistor 7010003280 7010003310 7010004320 Resistor R20J 10 RQ 7010004270 Resistor R20J 4 7 7010004450 Resistor R20J 100 7010004410 Resistor R20J 47 7310003210 Trimmer 2 00 54 503 7010004350 Resistor R20J 18 7010004370 Resistor R20J 22 7010003580 Resistor ELR20J 22 7010004250 Resistor R20J 3 3 R20J 120 7010004460 Resistor MAIN UNIT 7010003600 7010004330 7010003510 7010004450 7010004320 7010004110 7010003280 7010003560 7010003580 7010003620 7010004320 7010003720 7010003660 7010003710 7010004370 7010004410 7010004410 7010004410 7010003700 7010003460 7010004450 7010003510 7010003340 7010003340 7010003530 7010004280 7010004350 7010004200 7010004350 7310003230 7010003550 7010004030 7010003620 7310003230 7010001490 7010004530 7010004570 7010004960 7010003780 7010003780 7010003780 7010003530 7010004490 7010003660 7010005220 7010003560 7010004250 7010004400 7010003540 7010004340 7010003560 7310003230 7010003470 7010003780 7010004450 7010004450 7010004150 7010003650 7010003610 7010004250 7010003440 7010003700 7010003620 7310003210 7010003620 7010003100 7010004190
17. 102 1 RQ 102 1 102 1 RQ 102 1 102 1 RQ 102 1 102 1 102 1 102 1 102 1 RQ 102 1 102 4 102 1 102 1 102 1 102 1 102 1 102 1 102 1 102 1 102 LOGIC UNIT ORDER 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7030000380 Resistor MCR10EZHJ 1 102 7410000520 Resistor Array RKM7L 104 7030000580 Resistor MCR10EZHJ 47 473 7210001830 Variable Resistor RV 167 RK09K 7030000410 Resistor MCR10EZHJ 1 8 182 7030000390 Resistor MCR10EZHJ 1 2 122 7030000550 Resistor MCR10EZHJ 27 273 7030000590 Resistor MCR10EZHJ 56 563 7030000660 Resistor MCR10EZHJ 220 224 7030000620 Resistor MCR10EZHJ 100 104 7030000580 Resistor MCR10EZHJ 47 473 7030000660 Resistor MCR10EZHJ 220 224 7030000660 Resistor MCR10EZHJ 220 224 7030000620 Resistor MCR10EZHJ 100 104 7030000550 Resistor MCR10EZHJ 27 273 7030000500 Resistor MCR
18. 2 xi E i 7 Pes 40 6 Ud T 2 129 RI mec loots s poon Tovey we wo we Tan LI leso dee to to to LOGIC UNIT LOGIC UNIT B J4 LOGIC UNIT PLL UNIT 5 25 1048 Y BASE COLLECTOR EMITTER Q27 28 2SC2458 GR Y c E A COLLECTOR EMITTER 015 020 021 022 024 026 2 25 2668 0 EK a COLLECTOR EMITTER Q4 Q7 25 2785 EL SS BASE MITER Q3 Q5 Q6 Q16 25 2785 KL BASE gt COLLECTOR EMITER Q11 2SC3776 D ECKE EMITTER BASE E Q1 2501406 Y C LLECTOR i COI BASE Q17 2SJ105 GR D A G DRAIN GATE SOURCE S Q25 3SK74 M 1 GATE 2 SOURCE DRAIN 5 Q2 RN1204 c N COLLECTOR EMITTER Q8 9 Q10 Q12 Q18 Q19 Q23 Q29 Q31 RN2204 i Ses BASE COLLECTOR EMITTER Q13 Q30 8 3 PLL UNIT 1SS184 1SS226 MA862 Symbol 5 12 Symbol B3 Symbol C3 Symbol M11 Do amp BE D1 D4 D15 D17 D23 D24 D13 D14 02CZ5 1 Z BY 0 000 L z 2SC2714 Y Symbol QY Symbol LG 2SC2712 GR 2SB798 T2 DL Symbol DL 2SA1362 GR Symbol AEG COLLECTOR Q1 06 015 BASE EMITTER BASE EMITTER COLLECTOR dI BASE COLLECTOR E
19. 4030004710 Ceramic 2012 1 471 4030004710 Ceramic 2012 1 471 4030004720 Ceramic 2012 1 102 4030004400 Ceramic 2012 SL 1H 030C 4030004440 Ceramic 2012 51 1H 070D 4030004430 Ceramic 2012 SL 1H 0600 4030004400 Ceramic C2012 SL 1H 030C 4030004370 Ceramic C2012 SL 1H 0R5C 4030004380 Ceramic C2012 SL 1H 010 4030004720 Ceramic 2012 1 102 4030004720 Ceramic 2012 1H 102 4030004720 Ceramic 2012 1H 102 4510001190 Electrolytic 50 MS7 pF 4030004720 Ceramic C2012 1H 102 4030004720 Ceramic 2012 1H 102 4030004720 Ceramic 2012 1 102 4030004760 Ceramic C2012 JF 1E 104Z 4510002720 Electrolytic 10 SS 47 4030004400 Ceramic C2012 SL 1H 030C T A 4030004400 Ceramic C2012 SL 1H 030 T A 4030004760 Ceramic C2012 JF 1E 104Z T A 4030004760 Ceramic C2012 JF 1E 104Z T A 4030003170 Ceramic GRM40 SL 0R75C 50 PT 4030003170 Ceramic GRM40 SL OR75C 50 PT 4030004570 Ceramic C2012 SL 1H 470J T A 4030006450 Ceramic C2012 JF 1H 103Z T A 4030004470 Ceramic C2012 SL 1H 100D T A 4030004740 Ceramic C2012 JB 1H 472 4030003170 Ceramic GRM40 SL 0R75C 50 PT 4030004720 Ceramic C2012 JB 1H 102K T A 4030001030 Ceramic GRM40 CH 151J 50P T 4030004710 Ceramic C2012 JB 1H 471K T A 4030004720 Ceram
20. 8 L 5 x ei 31 fl S 2 T NF x el 9 5 05 15553 c25 82P C36 4 2SC266 x 5 M 9 Nov 809 5 8 MC3357P 5 m ANY m 820 330 c32 0 01 866 220 5 8 9 DIO c29 470P x FMIOV 3 T 24 2 5 RNi204 RI66 2 2K it RI67 2 2M R72 026 25 2458 0 001 330K E 3 1 8 2 z 88 026 Li 15853 De gt 025 19553 5 5 8 09 0 5 ov RNI204 21 5 Qu 4 188133 RIO IM 2sc2785 WA WFM 4 2V t iu 5 E 5 RI20 470 x n 5 42 hpD40668C RIIS D28 5 8 5 of a x 155133 ae 1 RNI204 P 14 y sot OFF AAA ON 2 2V Mal RI39 100K RITI IOK RIO2 IM 7 DIS 022 VA AM FM WFM OV 155133 15533 aly Ex 85 2 1 6 of o RNI204 28 M5223L 88 so j M5223L dg gt MP oFF on ov 223 156 RI37 5 8 PS 9 ISK 7 L 2 ML 88 b 052 SQL 5 8 OFF ov 25 2458 ON 3 6V 25 lt 160K ES IN UNIT RN2204 RI26 47K
21. Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil ORDER BA6161M ND487C1 3R hPC1678G CB346M1B UPC1678G LA7910 28C2714 Y TE85R 2 C2712 GR TE85R 2SK209 Y TE85R RN1404 TE85R 25 2714 TE85R 2SA1362 GR TE85R 28A1362 GR TE85R RN1404 TE85R RN1404 TE85R 2SA1362 GR TE85R RN1404 TE85R 25 798 2 DL RN1404 TE85R 25 2714 TE85R 25 3772 3 RN1404 TE85R 02 25 1 2 85 110 TW 110 TW 155184 TE85R 110 TW 110 TW 110 110 TW 110 TW 1204 MI204 MI204 MAB862 TX MA862 TX 155184 TE85R 155184 TE85R 18V237 TE85R 18V237 TE85R 15953 155184 TE85R 155226 TE85R LAL 100 NL 322522T 1ROM NL 322522T 4R7M RCP095 472K 50 LAL 102K NL 322522T 100R NL 322522T 100K NL 3225221 100 NL 322522T 100R NL 322522T 100R LAL 102 LAL R68M LAL 102K LAL 03NA 102K LAL 03NA 102K PLL UNIT 6180000900 6180000900 6180000960 6140002060 6140002060 6200000260 6200000260 6150002750 6150003050 6200000150 6200000150 6110001530 6110001530 6110002140 6110002140 6200000150 6110001990 6200000840 6200000840 6910000670 6910000670 6180000880 6110001980 6110001980 6110001980 62
22. RSS 150 BTOIRNI AGI 4 8V FI 7 8 6V F8 10 RNI404 4 4V F8 10 om amp 5VIFI 3 4 8VIFI 7 67 i 4 2V F8 10 R77 100 5 ER 8 Qua 0776 m 4 7 2 Rez 5 HF RNI404 9 3V FI 3 F8 l0 9 4 4 71 43V 2 ESTA ai HF F1 3 oo PLL UNIT HM F2 4 6 8 ATT ATT ON un pa HL 2 PRE PRE ON LR 225 39P 17 2 dt 7 cos rio 0 901 85 8 1 z E 2 _ Y Y no 95 750 221 7490Ntiz 8 6V FI 3 8 5VIF6 10 gi de 4 Gel si Sven 1380 500 1856 0000MH2 3E Q5 2 6VIF3 5 7 94401 RNI404 dy n 8 6ViFI 3 E ex L 8 e RI g i 8 2 8V F2 4 6 8 OVIOTHER 155 I LS 289 _ J 2 54 F3 5 7 9 10 58 6 e x 1 4 1 gt 5 8 sx H si e a 4 8 34 5 G 5 8 iBi st B IAS Sal 8 5 _1 8 6 8 10 06 I PRE 016 2563772 I i
23. d f FIL 1 UNIT 4 L TUNER UNIT Reference crystal m X1 CR316 12 6 MHz a 10 V DC DC Converter Pulse swallow counter IC5 BA6161M IC1 M54562P Expander IC11 LA7910 e BOTTOM VIEW FM detector circuit IC1 MC3357P Lithium backup battery Reference crystal X1 CR114 10 24 MHz AFC circuit IC2 BA695 ircuit WFM detector circuit MC3356P Analog switching circuit AM 1st IF circuit IC5 uPD4066BC BLOCR DIAGRAM SECTION 3 LINO NIV LINN Td SECTION 4 CIRCUIT DESCRIPTION 41 RF CIRCUITS 4 1 1 FILTER CIRCUIT PLL UNIT The IC R100 has 3 antenna connectors J7 98 J9 for a super wideband receiving range of 0 1 MHz to 1856 0 MHz Received signals enter one of the 3 antenna connectors depending on the receive frequency range 1 0 1 50 0 MHz FILTER RF signals from an antenna connector J8 are distributed to three separate filters through switching diodes D10 D12 for filter selection 0 1000 1 6290 MHz After passi
24. 3rd IF signal is applied to an IF amplifier Q4 after passing through the ceramic filter FI3 when AM mode is selected by switching diodes D5 D7 When the switching diodes are turned ON AM 5 signal line obtains 5 V The amplified signal passes through a ceramic filter Fl4 to improve selectivity The filtered signal is re amplified at an IF amplifier Q7 and then rectified by the AM detector circuit D10 D11 The detected signal is demodulated into an AM signal e 2ND IF AND DEMODULATOR CIRCUITS 5 0 I01 2nd LO AM5 line AF signal signal Fig 4 4 2 5 WFM DEMODULATOR CIRCUIT When the WFM 5 line becomes HIGH the S meter MAIN UNIT switch Q9 is turned ON to cut off the FM or AM signal The 46 MHz IF signal is applied to a 2nd mixer section In FM or AM mode the S meter signal is applied to IC4 b of IC3 and then mixed with the 35 3 MHz 2nd LO signal pin 6 through the signal line inverted and to produce 10 7 MHz 2nd IF signal amplified signal is applied to the main CPU IC2 pin 93 The 35 3 MHz 2nd LO signal is amplified at an LO When the FM 5 or AM 5 line becomes HIGH the amplifier Q6 and is then applied to the 2nd mixer S meter switch Q10 is turned ON to cut off the WFM section through IC3 pin 3 S meter signal IC3 is designed for use in digital data communications equipment IC3 contains the 2nd mixer local oscillator 4 2 7 AGC CIRCUIT MAIN UNIT circuit lim
25. 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K MAIN UNIT 1110000630 1110001160 1110002010 1120001690 1130001000 1120001690 1110001360 1180000590 1110002020 1120001690 1180000010 1530002210 1580000110 1530000591 1530000150 1530000591 1530000591 1530000150 1590000350 1590000350 1590000350 1530002710 1590000350 1590000370 1530000110 1530000591 1540000200 1590000350 1590000
26. 8 43 5 x 8 x A 8 D 6 Qi 2302709 R79 2 0 0047 220K RI34 PI 10 SP gt 88 5 1 2 ON 0 6V en lt ANY O jo 859 m 012 RNI204 RI20 470 ICS g 2 uPD4066BC 8 8 8 m RI7I 10K z x 3 esl Es M 13 8 o 36 3 PLL 1 ined RNI204 Liz Lw IS 0 0047 Tasc Lo UNIT rid 3 L x eww O b 19 d 47 d ND k Vs ov n IX 5 A gt so 032 e wi 220 3 e 3 OFF 0v 25C2458 pU lt RI4I 27 ty 8 6 5 9 5 uPCI242H i RI28 2 se om 0 47 8 RI26 47K 25 2785 EM K 8 5 Be 3 Se z ov N 6 i Viu 4 220 RI29 3 3 3 5 Icom Inc 6 9 16 Kamihigashi Osaka 547 Phone 06 793 5302 Fax 06 793 0013 America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 206 454 8155 Fax 206 454 1509 Telex 152210 ICOM AMER BVUE Customer Service Phone 206 454 7619 Regional Customer Service Center 18102 Sky Park South Suite 52 B Irvine CA 92714 U S A Phone 714 852 8026 Fax 714 852 8716 Icom Canada A Division of Icom America Inc 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Pho
27. ADJUSTMENT CONTINUED ADJUSTMENT MEASUREMENT POINT ADJUSTMENT VALUE UNIT LOCATION UNIT ADJUST ADJUSTMENT CONDITIONS TOTAL 1 Displayed frequency MAIN Connect the digital Preset to center MAIN SENSITIVITY 144 100 MHz FRG version DC voltmeter to 120 100 MHz All other versions R111 e Mode FM e PRE ATT switch OFF e R168 MAIN Max CW Adjust in sequence L1 L4 L10 e Set the signal generator Level 10 320 87 57 dBm Modulation 1 kHz Deviation 5 0 kHz Adjust in Sequence L1 L2 Set the signal generator Level 3 2 32 97 77 dBm Modulation 1 kHz Deviation 10 0 kHz Adjust in sequence L3 L4 L10 e Set the signal generator Level 3 2 uV 97 dBm Modulation 1 kHz Deviation 5 0 kHz e Set the signal generator Level 1bv 107 dBm Modulation OFF Function S indicator display 3 dots S5 e Displayed frequency 144 100 MHz FRG version 120 100 MHz All other versions e Mode FM switch OFF e Set the signal generator Level 3 2 uV 97 dBm Modulation OFF 3 dots S3 Displayed frequency 144 100 MHz FRG version 87 000 MHz All other versions e Mode WFM e Set the signal generator Level 3 2 uV 97 dBm Modulation OFF
28. Back panel bottom rear rep Screw abbreviations Binding head ZK Black PH head Nickel FH Flat head SECTION 6 PARTS LIST VR UNIT ORDER 7210001840 RV 168 RK0971112 PUSH ON OFF B 2462A VR Variable Resistor 0910025801 P C Board TENKEY UNIT ORDER 0910025912 24618 TENKEY LOGIC UNIT ORDER 1140001260 IC hPD75304GF 084 3B 9 1140001570 uPD78224GJ 533 5B G 1110001550 S 8054ALB LM T1 1590000420 1590000420 1590000450 1530000160 1510000110 1590000420 1510000110 1530000160 1530000160 1404 TE85R RN1404 TE85R 4 7148 25 2712 TE85R 2SA1162 Y 85 1404 TE85R 25 1162 85 25 2712 TE85R 25 2712 TE85R Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor 1750000030 1750000020 1750000040 1750000020 Diode Diode Diode Diode 155187 TE85R 155184 TE85R 155190 TE85R 155184 TE85R CR 245 DT 26S 32 768KHZ CSA9 21MT2 6050005090 6050005800 6060000190 Crystal Crystal Crystal 7030000300 Resistor MCR10EZHJ 2200 221 7030000580 Resistor MCR10EZHJ 47 473 7030000580 Resistor MCR10EZHJ 47 kQ 473 7030000580 Resistor MCR10EZHJ 47 kQ 473 7030000620
29. 0 0 MHz 1240 0 1300 0 MHz 0 1 87 5 MHz 108 0 1856 MHz Specifications guaranteed for 0 5 1800 MHz AM FM Wide FM WFM 1 5 8 10 12 5 20 25 kHz 100 521 5 kHz and 1 630 904 9995 MHz 1 5 8 9 10 12 5 20 or 25 kHz 522 1629 5 kHz 12 5 20 25 kHz 905 1856 MHz 50 Q unbalanced 13 8 V DCx 15 negative ground Less than 1 1 A 10 C 60 14 F 140 F 3 5 ppm 0 C 50 C 32 F 122 F Memory channels 100 Priority channel 1 Scan edge channels 20 for 10 scan ranges 150 W x 50 H x 181 D mm 5 9 VV x 2 0 H x 7 1 D in Projections not included 1 4 kg 3 1 Ib Frequenc Germany saw L su res mw w Measurement conditions Preamp is ON in the 50 904 9995 MHz frequency FM 12 dB SINAD 1 kHz modulation with 3 5 kHz deviation WFM 12 dB SINAD 1 kHz modulation with 50 kHz deviation 10 4 5 1 kHz modulation with 30 96 depth FM More than 15 RHz 6 dB VVFM More than 180 2 3 dB AM More than 6 kHz 6 dB More than 2 5 VV at 10 96 distortion with an 8 load 4 8 All stated specifications are subject to change without notice obligation SECTION 2 INSIDE VIEWS e TOP VIEW Switching relay circuit IC7 ND487C1 tst me CB346M1B 50 0 905 0 MHz Preamplifier IC2 MC 5156 MEN
30. 00000720 6110002010 6110002010 6150002750 6170000230 6110001640 7030000500 7030000300 7030000340 7030000460 7030000500 7030000380 7030000380 7030000220 7030000220 7030000310 7030000160 7030000310 7030000500 7010004190 7010004190 7030000480 7030000390 7030000350 7010001170 7030000500 7030000260 7030000390 7010004120 7030000340 7030000230 7030000380 7030000260 7030000260 7030000260 7030000340 7030000310 7030000160 7030000310 7010004070 Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Coil Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor ORDER LAL 101 LAL 03NA 101K LAL 102 LR 225 LR 225 2A R10K LQN 2A R10K LS 289 LS 286 NL 322522T 1ROM NL 322522T 1ROM LA 233 LA 233 LA 384 LA 384 NL 322522T 1ROM LA 223 NL 322522T R22M NL 322522T R22M BTO1RN1 A61 001 BTO1RN1 A61 001 LAL 100 LA 222 LA 222 LA 222 LQN 2A 10NM LA 224 LA 224 15 289 LW 25 LA 247 MCR10EZHJ MCR1
31. 00800 Trimmer CV38B 0601 4040000190 Barrier Layer 05X 103 4510002850 Electrolytic 25 55 22 hF 4560000020 Ceramic D33Y5V 1E 104Z21 4510002830 Electrolytic 25 SS 4R7 uF SSSU12209B 2220000300 Switch 6510008370 Socket 3020000110 CR2032 Lithium Battery P C Board B 2458D MAIN 0910025354 PLL UNIT ORDER IC1 1120000970 M54562P 1190000020 MC 5156 1140001280 MB1501PF G BND 1110001970 UPC1676G T2 PLL UNIT 1110001270 1790000050 1110001890 6910004320 1110001890 1120001700 1530002360 1530001950 1560000360 1590000420 1530002360 1510000580 1510000580 1590000420 1590000420 1510000580 1590000420 1520000180 1590000420 1530002360 1530002030 1590000420 1730002160 1790000590 1790000590 1750000020 1790000590 1790000590 1790000590 1790000590 1790000590 1710000270 1710000270 1710000270 1790000450 1790000450 1750000020 1750000020 1750000210 1750000210 1710000040 1750000020 1750000070 6050006670 6180001220 6200000150 6200000880 6180002580 6180000960 6200000970 6200000970 6200000970 6200000970 6200000970 6180000960 6180000750 6180000960 6180000960 6180000960 Transistor Transistor FET Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Zener Diode Diode Diode Diode
32. 0EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ R20J 1 R20J 1 MCR10EZHJ MCR10EZHJ MCR10EZHJ 10 kQ 103 220 Q 221 470 Q 471 4 7 472 10 103 1 102 1 102 470 470 47 0 470 270 Q 271 15 Q 150 270 Q 271 10 103 6 8 682 1 2 122 560 561 R25XJ 1 5 MCR10EZHJ MCR10EZHJ MCR10EZHJ R20J 270 Q MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZH4 R20J 1000 10 103 100 101 1 2 122 470 Q 471 56 Q 560 1 RQ 102 100 Q 101 100 Q 101 100 Q 101 470 Q 471 2700 271 15 Q 150 270 Q 271 PLL UNIT DESCRIPTION 7030000540 Resistor MCR 10EZHJ 22 223 7030000300 Resistor MCRIOEZHJ 220 221 7030000500 Resistor MCR10EZHJ 10 kQ 103 7030000500 Resistor MCR10EZHJ 10 103 7030000420 Resistor MCR10EZHJ 2 2 222 7030000500 Resistor MCR10EZHJ 10 103 7030000420 Resistor MCR10EZHJ 2 2 222 7030000260 Resistor MCR10EZHJ 100 101 7030000310 Resistor MCR10EZHJ 270 271 7030000310 Resistor MCR10EZHJ 270 271 7030000260 Resistor MCR10EZHJ 100 101 7030000280 Resistor MCR10EZHJ 150 O 15
33. 0J 4030004740 Ceramic C2012 JB 1H 472 4030004740 Ceramic C2012 JB 1H 472 4030006450 Ceramic C2012 JF 1H 103Z T A 4030003170 Ceramic GRM40 SL 0R75C 50 PT 4030003170 Ceramic GRM40 SL 0R75C 50 PT 4030004710 Ceramic C2012 JB 1H 471K T A 4030004610 Ceramic C2012 SL 1H 101J 4030004720 Ceramic C2012 JB 1H 102 4030004720 Ceramic C2012 JB 1H 102K T A 4030004400 Ceramic C2012 SL 1H 030 T A 4030004410 Ceramic C2012 SL 1H 040C T A 4030004390 Ceramic C2012 SL 1H 020C T A 4030004440 Ceramic C2012 SL 1H 070D T A 4030004390 Ceramic C2012 SL 1H 020C 4030004490 Ceramic C2012 SL 1H 150J 4030004400 Ceramic C2012 SL 1H 030 T A 4030004720 Ceramic C2012 JB 1H 102K 4030004720 Ceramic C2012 JB 1H 102K 4030004720 Ceramic C2012 JB 1H 102K T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004400 Ceramic C2012 SL 1H 030 4030004380 Ceramic C2012 SL 1H 010C T A 4030004450 Ceramic C2012 SL 1H 080D T A 4030004380 Ceramic C2012 SL 1H 010C T A PLL UNIT ORDER 4030004480 Ceramic C2012 SL 1H 120J T A 4030004400 Ceramic C2012 SL 1H 030C T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004720 Ceramic C2012 JB 1H 102 4030004610 Ceramic C2012 SL 1 101 4030004720 Ceramic 2012 1H 102
34. 1 7030000210 Resistor MCR10EZHJ 39 Q 390 7030000280 Resistor MCR10EZHJ 150 151 7030000500 Resistor MCR10EZHJ 10 103 7030000420 Resistor MCR10EZHJ 2 2 222 7030000420 Resistor MCR 10EZHJ 2 2 222 7030000420 Resistor MCR10EZHJ 2 2 222 7010001280 Resistor R25XJ 10 7030000260 Resistor MCR10EZHJ 100 101 7030000320 Resistor MCR10EZHJ 330 331 7030000230 Resistor MCR10EZHJ 56 560 7030000320 Resistor MCR10EZHJ 330 331 7030000260 Resistor MCR10EZHJ 100 Q 101 7030000300 Resistor MCR10EZHJ 220 O 221 7030000540 Resistor MCR 10EZHJ 22 223 7030000500 Resistor MCR10EZHJ 10 103 7030000460 Resistor MCR10EZHJ 4 7 472 7030000380 Resistor MCR10EZHJ 1 102 7310003210 Trimmer 2 00 B54 503 7030000310 Resistor MCR10EZHJ 270 Q 271 7030000160 Resistor MCR10EZHJ 15 150 7030000310 Resistor MCR10EZHJ 270 Q 271 7030000260 Resistor MCR10EZHJ 100 Q 101 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1032 4030006450 Ceramic C2012 JF 1032 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1H 103Z T A 4510002780 Electrolyti
35. 10 4030004720 Ceramic C2012 JB 1H 102K T A 4510001100 Electrolytic 16 MS7 10 hF 4510002970 Electrolytic 50 SS 4R7 uF 4510002970 Electrolytic SS 4R7 4510002800 Electrolytic 16 SS 33 uF 4030004760 Ceramic C2012 JF 1E 104Z T A 4030004760 Ceramic C2012 JF 1E 1047 4510000310 Electrolytic 16 MS16 1000 uF 12 5X16 4510000310 Electrolytic 16 MS16 1000 uF 12 5X16 4030006450 Ceramic C2012 JF 1H 103Z 4030006450 Ceramic C2012 JF 1H 1032 4030006450 Ceramic C2012 JF 1H 103Z T A 4030006450 Ceramic C2012 JF 1H 103Z 4030003170 Ceramic GRM40 SL OR75C 50 4030004720 Ceramic C2012 JB 1H 102K T A 4510002780 Electrolytic 16 SS 10 hF 4030006450 Ceramic C2012 JF 1H 1032 4030004760 Ceramic C2012 JF 1E 104Z T A 4510001100 Electrolytic 16 MS7 10 4030004760 Ceramic C2012 JF 1E 104Z T A 4030004760 Ceramic C2012 JF 1E 104Z T A 4030008700 Ceramic GRM40 B 473K 50PT 4030008700 Ceramic GRM40 B 473K 50PT 4030004420 Ceramic C2012 SL 1H 050C T A 4030004420 Ceramic C2012 SL 1H 050 T A 4030008700 Ceramic GRM40 B 473K 50PT 4030004760 Ceramic C2012 JF 1E 104Z T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004560 Ceramic C2012 SL 1H 390 4030004580 Ceramic C2012 SL 1H 560 T A 4030004670 Ceramic C2012 SL 1H 271J 4030004380 Ceramic C2012 SL 1H 010C T A 4030004470 Ceramic C2012 SL 1H 100D T A 4030004530 Ceramic C2012 SL 1H 27
36. 10EZHJ 10 103 LOGIC UNIT ORDER 4030004740 C2012 1H 472K T 4030004740 C2012 JB 1H 472K MA 4030004740 C2012 JB 1H 472K T A 4030004740 C2012 JB 1H 472K 4030004720 C2012 JB 1H 102K T A 4510001150 50 MS7 R47 uF 4030004740 C2012 JB 1H 472K T A 4030004740 C2012 JB 1H 472K T A 4030004740 C2012 JB 1H 472K Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Ceramic Ceramic HLC9792 01 2300 HRS 7219A LCD Lamp 5030000530 5080000150 EVQ WQGF15 24B TUNING CONTROL 2250000050 Encoder 3020000130 Lithium Battery CR3032 1T2 P C Board B 2460D LOGIC LCD contact strip SRCN 851 0910025784 8930017610 4030004520 Ceramic C2012 SL 1H 220J 4030004520 Ceramic C2012 SL 1H 220J 4030000920 Ceramic GRM40 CH 150 50P T 4030000920 Ceramic GRM40 CH 150J 50P T 4030004760 Ceramic C2012 JF 1E 104Z 4030004760 Ceramic C2012 JF 1E 104Z T A 4030004610 Ceramic C2012 SL 1H 101 T A 4030004610 Ceramic C2012 SL 1H 101J T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004740 Ceramic C2012 JB 1H
37. 2 PORT ALLOCATIONS INPUT PORT DESCRIPTION When the port becomes LOW the CPU detects that the 0 key has been pushed When the port becomes LOW the CPU detects that the 1 key has been pushed I i P14 When the port becomes LOW the CPU detects that the 2 key has been pushed When the port becomes LOW the CPU detects that the 3 key has been pushed When the port becomes LOW the CPU detects that the 4 key has been pushed When the port becomes LOW the CPU detects that the 5 key has been pushed When the port becomes LOW the CPU detects that the 6 key has been pushed When the port becomes LOW the CPU detects that the 7 key has been pushed When the port becomes LOW the CPU switches to Input port for control signals to communicate with the sub CPU HIGH voltage is applied to the terminal every second Input port for the DOWN signal of the main dial Input port for the UP signal of the main dial _ 25 DUP Input port for serial data K8 49 When the port becomes LOW the CPU detects that the B key has been pushed PORT PORT PIN NUMBER NAME NUMBER DESCRIPTION When the port becomes LOW the CPU detects that the 9 key has been pushed When the port becomes LOW t
38. 350 Transistor FET Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor MC3357P BA695 MC3356P M5223L hPD4066BC M5223L hPC1242H TA78DL10S TA7805S M5223L TA78L005AP 2SC3776 D 3SK74 M 2SC2785 EL 25 2668 25 2785 EL 25 2785 EL 25 2668 1204 RN1204 RN1204 2SC2785 KL RN1204 RN2204 2SC2458 GR 2SC2785 EL 2SD1406 Y RN1204 RN1204 ORDER MAIN UNIT ORDER 1530000110 Transistor 2SC2458 GR 1530000110 Transistor 2SC2458 GR 1530000110 Transistor 2SC2458 GR 1590000350 Transistor RN1204 1530000110 Transistor 2SC2458 GR 1590000310 FET 2SJ105 GR 1530000100 Transistor 2SC2458 Y 1510000070 Transistor 2SA1048 Y 1510000070 Transistor 2SA1048 Y 1590000350 Transistor RN1204 1590000370 Transistor RN2204 1590000350 Transistor RN1204 1530000110 2SC2458 GR Transistor 1710000050 Diode 1SS53 1790000070 Diode 1SS237 1790000070 Diode 1SS237 1710000050 Diode 1SS53 1710000050 Diode 1SS53 1710000050 Diode 1SS53 1710000050 Diode 1SS53 1720000290 Varicap 1T32 1730000120 Zener RD6 2E 2 1710000330 Diode 1K60 1710000330 Diode 1K60 1710000600 Diode 1SS254 1710000160 D
39. El SQL 85 2 0 2 g gt El RIZT SOK BE J 4 8 5 L 8 to UNIT un Da 4625 c35 0 001 04 15553 i J 14 lt 4 9 24v B T 1 8 929 2 8 RNI204 8 3 gt x 8 is gL cy m N 250406 STD 5 ST 5 O m 8 05 5553 2 KBF 455R 6AS c39 07 IJ 01 15553 2 94 1 dI 8 25 2668 5 5 8 4 2 5 i s 83 3 5 5113 t x 8 8 5 5 3 Ji RNI204 7 Pow gt gt x gt gt Naw Q30 apy 127 RN2204 A 3 5 1 95 55 ye CLKS 1 60 44 5 97 al 8 25 2668 034 153133 m i 5 T 2 5 8 8 3 gt M 5 77 5 OFFV ICH 2 TAT8LOOSAP A 15 8 033 ISSI 2 m CI33 s RIG3 47 LMPV s 8 031 188133 io 5 Els NF cia 9515 u 2 0 0 TAT DLIOS 2 5 0 SBUP 5 5 5 Q28 8 4 5 d 250048 8 3 ico RIG 2 LL TES TA7805S a RN 204 5 5 RTE SIOK hPD4066BC m 8 ME El 5 5 1C5 c WFM 4 8V B oc 28 5 2 it 3 026 6 4V 4
40. K 4010000120 Ceramic DD104 SL 100D 50V 4510001970 Electrolytic 50 MS7 OR1 hF 4010000500 Ceramic DD104 B 102K 50V 4040000260 Barrier Layer UZE 08X 104M 4310000050 Mylar F2D 50V 222K 4040000260 Barrier Layer UZE 08X 104M 4040000250 Barrier Layer UAT 08X 473M 4040000150 Barrier Layer UAT 05X 472K 4020000620 Cylinder 050 SL 220J 4040000250 Barrier Layer UAT 08X 473M 4560000030 Ceramic D55X5T 1H 473M 4510001140 Electrolytic 50 MS7 R22 4310000050 Mylar F2D 50V 222K 4040000260 Barrier Layer UZE 08X 104M 4010000260 Ceramic DD104 SL 470J 50V 4040000190 Barrier Layer UAT 05X 103K 4040000190 Barrier Layer UAT 05X 103K 4040000190 Barrier Layer UAT 05X 103K 4510002830 Electrolytic 25 SS 4R7 pF 4010000520 Ceramic DD108 B 472K 50V 4040000260 Barrier Layer UZE 08X 104M 4310000060 Mylar F2D 50V 223K 4010000460 Ceramic DD104 B 471K 50V 4040000190 Barrier Layer UAT 05X 103K 4510002780 Electrolytic 16 SS 10 hF 4510002780 Electrolytic 16 SS 10 4010000520 Ceramic DD108 B 472K 50V 4040000190 Barrier Layer UAT 05X 103K 4510002830 Electrolytic 25 SS 4R7 uF 4510002830 Electrolytic 25 SS 4R7 4510001150 Electrolytic 50 MS7 R47 uF 4510002780 Electrolytic 16 SS 10 uF 4010000520 Ceramic DD108 B 472K 50V 4510001740 Electrolytic 50 1 4510002730 Electrolytic 10 SS 100 uF 4510002780 Electrolytic 16 SS 10 uF IMAIN UNIT ORDER 4010000520 DD108 B 472R 50V 4010000460 DD104
41. MITTER IM COLLECTOR BASE EMITTER 1 B Q2 3 1 Q Q7 Q8 Q11 RN1404 25 209 Y 2SC3772 3 Symbol XD Symbol XY Symbol LY3 COLLECTOR BASE EMITTER SOURCE DRAIN 15 BASE EMITTER Q5 Q9 Q10 Q12 Q14 Q17 Q3 Q16 8 4 SUBORDINATE PLL UNITS e FIL 1 UNIT e FIL 2 UNIT e FIL 3 UNIT e FIL 4 UNIT SECTION 9 VOLTAGE DIAGRAM DS 9792 01 2300 328 a a 528 CLOCK ONOFF ALL RESET _ _ le fo fe SBUP pP0753046F 084 3B9 r3 06 254162 5 88 IC3 S 8054ALB LM Q7 RNI404 R2 P24 6 P25 z 4 8V 2 4VIBACX UP P25 P P22 6 R93 100K 912 25 2712 P75 NC vss vss ASTE P40 782246 533 586 CLOCK OFF ALL RESET NC CLOCK ON ALL RESET 43 27V TT TC 100K 03 55184 IKx14 elem 4 05 153184 x 21115 si ds CLOCK OFF ON CLOCK ON 45 N LL
42. OTE Make sure a problem is internal before disassembling the receiver DO NOT open the receiver until the receiver is dis connected from its power source DO NOT force any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts An insulated tuning tool MUST be used for all adjustments DO NOT keep power ON for a long time when the receiver is defective READ the instructions of test equipment thoroughly before connecting equipment to the receiver SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION gt A A b a a RA aan o o N G N N TABLE OF CONTENTS SPECIFICATIONS 22222222222 4222 2 2 1 1 INSIDE VIEWS RR RR eee ens 2 1 BLOCK DIAGRAM Lees od a E URN 3 1 CIRCUIT DESCRIPTION eem 4 1 8 RE CIRCUITS vo Rem Se eae ak SES 4 1 IF CIRCUITS ERE xU e eher 4 2 PLL 5 4 4 POWER SUPPLY CIRCUITS e hme mrt 4 5 OTHER 5 43 4 2 4 6 LOGIC 5 0 4 7 MECHANICAL PARTS AND 0
43. RESET we 938v eol 250msec H1 58nsec BOpsec gt 2 m tl 8 sl sl amp i ci7 c30 TENKEY UNI 8 8 E E 5 5 KI 5 z o K2 5 K3 MODE TS CLK TiM S 4 5 6 JM 4 5 5 PRE ATT AFC ANL Mw R45 A M SET na QW wr CHER CA aa sa eo oY 5 5 5 pa A STP M SCN M 5 5 R49 ele WW 50 PICHA ENT DOWN UP RSI ole ANN I 21 oS 7 ipm 5 REZ AAA O FUNC FR M ENT UP R53 BEEP M CL TIMER SLEEP WW 2 Lo En 2 RS 8 58 AAA P MEME 2 R45 R58 RI 220 e tem 45 pra 3JYIDIMER Ps n LOGIC UNIT RE L VR UNIT 21312 n P42 4 R34 47K JP _ Po ARD pas R39 47 MIN PI NC 1 4 8V DIMER eso 40 PSS el 2 NC P60 P61 P62 J3 56 0 0047 com fo gt R41 47K C57 0 0047 O SEIA amo C32 US LELEN E o cse me rrc lt ET m ews a RAS AK A 0004719 Gs en nes A
44. Resistor MCR10EZHJ 100 104 7030000580 Resistor MCR10EZHJ 47 473 7030000580 Resistor MCR10EZHJ 47 473 7030000580 Resistor MCR10EZHJ 47 473 LOGIC UNIT 7030000580 7030000580 7030000580 7030000970 7030000580 7030000580 7030000580 7030000500 7030000580 7030000620 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000580 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 7030000380 Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resi
45. U enters the backup mode Input port for serial clock signals cum EE Input port for serial data Input port for a strobe signal This port becomes HIGH every one second SECTION 5 MECHANICAL PARTS AND DISASSEMBLY 5 1 FRONT PARTS NUMBER un 5 2 ACCESSORIES LABEL ORDER 8930013320 545 Rubber 8810006130 BiH M2 6 x 5 ZK 8930018550 Sponge CG 8110004010 8210005530 8830000550 8610006480 Knob 152 PUSH ON VOL SQUELCH 8610006470 Knob 151 TUNING CONTROL 10 Key rubber Blind sheet PH BO No 0 3 M14 x 4 Variable resistor RV 168 PUSH ON VOL Setscrew A M2 6 x 5 Encoder EVQ WQGF15 248 TUNING CONTROL Sub chassis LCD holder LCD HLC9792 01 2300 LCD filter Screw abbreviations DESCRIPTION QTY Top cover Front panel inci window VR nut E 851 Reflector BiH Binding head ZK Black PH Pan head BO Self tapping f V YO so Lo sooo HE vire amerma OPcO perro LO power cable 1 55997 Lo sone 50 meuning supp rei 00008 0000 6 8820000530 Mounting bolt 8850000140 Flat washer NI BS 49 5210000040 Fuse FGB 2A 5610000020 AP313 3 5 CS plug 8930018190 851 cable tie
46. c 16 SS 10 uF 4030006450 Ceramic C2012 JF 1H 103Z T A 4030001030 Ceramic GRM40 CH 151J 50P T 4030001030 Ceramic GRM40 CH 151J 50P T 4030002180 Ceramic GRM40 SH 270J 50P T 4610000770 Trimmer CV38D 1001 4030004520 Ceramic C2012 SL 1H 220J 4030004610 Ceramic C2012 SL 1H 101J 4030004720 Ceramic C2012 JB 1H 102K T A 4030004610 Ceramic C2012 SL 1H 101J T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004720 Ceramic C2012 JB 1H 102K T A 4510001100 Electrolytic 16 MS7 10 uF 4030004760 Ceramic C2012 JF 1E 1047 4030006450 Ceramic C2012 JF 1H 103Z T A 4030004740 Ceramic C2012 JB 1H 472K T A 4030004720 Ceramic C2012 JB 1H 102K T A 4560000110 Ceramic D47X5T 1H 224M53 4030004740 Ceramic C2012 JB 1H 472K T A 4510002630 Electrolytic 50 SS 47 4030004760 Ceramic C2012 JF 1E 1047 4030004720 Ceramic C2012 JB 1H 102K 4030004720 Ceramic C2012 JB 1H 102K PLL UNIT DESCRIPTION 4510001100 Electrolytic 16 MS7 10 4030004720 Ceramic C2012 JB 1H 102K T A 4510001100 Electrolytic 16 MS7 10 hF 4030004720 Ceramic C2012 JB 1H 102K T A 4510001100 Electrolytic 16 MS7 10 4030004720 Ceramic C2012 JB 1H 102K T A 4510001100 Electrolytic 16 MS7
47. city 2A or more Measuring range 0 01 10 V Digital DC voltmeter Input impedance 10 MQ DC or better Standard signal Frequency range 0 1 MHz 2 GHz generator SSG Output level 127 17 dBm 0 1 uV 32 mV Frequency range 0 1 MHz 1 GHz Frequency 1 ppm or better Sensitivity 100 mV or better RF voltmeter Frequency range 01 500 MHz Measuring range 0 01 10 V Frequency counter CW Clockwise CCW Counterclockwise 7 2 TEST EQUIPMENT CONNECTION Standard signal generator Speaker DC power supply 13 8 V 2A 905 MHz 1800 MHz 0 5 MHz 50 MHz 50 MHz 905 MHz antenna Connector 100 7 3 PLL ADJUSTMENT ADJUSTMENT MEASUREMENT POINT VALUE UNIT LOCATION UNIT ADJUST Connect the 673 000 MHz FRG EE ADJUSTMENT ADJUSTMENT CONDITIONS REFERENCE FREQUENCY Displayed frequency 1300 000 MHz FRG version 1856 000 MHz All other versions Mode FM frequency counter to 951 000 MHz L50 All other versions Adjust in sequence L55 L34 L33 Maximum level more than 170 mVrms Connect the RF voltmeter to IC7 pin 2 HF BAND e Displayed frequency 28 000 MHz LO LEVEL Mode e PLL UNIT L50 Reference frequency IC7 pin 2 HF BAND point LO level adjustment Check point L33 BAND C14 Refere
48. h lights up AFC on the function display when AFC function is in operation A current regulator IC8 supplies a 10V reference voltage to IC2 pin 1 for comparison with the DC component in the detected FM or AM signal The frequency drift selects an output signal to control the receive frequency The signal is output from IC2 pin 6 8 and applied to the LOGIC UNIT 4 2 10 AF AMP CIRCUIT MAIN UNIT The de modulated signals are applied to an AF mute circuit consisting of IC5 b IC5 d and then amplified at 015 The amplified signals are applied to the VOL control R1 on the VR UNIT When the squelch is closed IC5 cuts off the AF signals like an AF mute switch The AF signals are power amplified at an AF power amplifier IC7 to drive a speaker 4 2 11 ANL CIRCUIT MAIN UNIT This circuit eliminates the noise components to obtain clear reception in AM mode 4 4 The ANL circuit consists of 70 73 012 C69 and Q8 The detector output from D10 and D11 is applied to the anode of D12 through R72 and 73 The detector output is also applied to the cathode of D12 passing through R70 where it is divided by R70 and R71 When the AFC ANL switch is turned OFF the anode voltage of 012 is higher than the cathode voltage 012 is therefore activated However when the AFC ANL switch is turned ON the ANL signal line becomes HIGH to turn ON 08 C69 and C117 are grounded Therefore the detector output including pulse
49. he CPU detects that the key has been pushed When the port becomes LOW the CPU detects that the ENT key has been pushed KENT When the port becomes LOW the CPU detects that the UP key has been KUP EES gt When the port becomes LOW the CPU detects that the DOWN key has been pushed gt When port becomes HIGH the CPU detects that the receiver receives signals When the port becomes LOW the CPU detects that the power switch has been turned ON BUSY When the port becomes LOW the CPU detects that the clock switch has CLKS been turned ON P70 VER1 67 69 Used for selecting a version P72 VER3 when only the CPU is reset i AUTO When the becomes LOW the 9 kHz step of the U P75 FDN 73 TS function is selected This TS selection is only possibe after the CPU has been reset AFC control signal input When the port becomes LOW AFC controls the receive frequency for the higher frequency direction L3 AFC control signal input When the port becomes LOW AFC controls the receive frequency for the lower fequency direction 74 AFC control signal input When the port becomes LOW the CPU detects that the displayed frequency center frequency has been received P76 FONT AID signal input Used f
50. ic C2012 JB 1H 102 4510003040 Electrolytic 16 SS 100 4030004720 Ceramic C2012 JB 1H 102 T A 4550000890 Tantalum TESVC 1C 475M 12L 4030004460 Ceramic C2012 SL 1H 090D T A 6330000810 ARK115 Relay 6330000810 Relay ARK115 6330000810 Relay ARK115 6330000810 Relay ARK115 6330000810 Relay ARK115 P C Board Lead Frame P C Board 0910025594 6910003430 0910026610 B 2459D PLL VTYA 6U80J B 2695 PLL FIL 1 UNIT ORDER 6200000880 Coll NL 322522T 4R7M 6200000880 NL 322522T 4R7M 4030004720 Ceramic C2012 JB 1H 102 T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004710 Ceramic C2012 JB 1H 471K T A 4030004690 Ceramic C2012 SL 1H 331J T A 4030004710 Ceramic C2012 JB 1H 471K T A P C Board Lead Frame B 2598 FIL 1 HFB2 54 0 9 8 N 0910025500 6910002720 FIL 2 UNIT ORDER 6200000980 Coil NL 322522T 8R2M 6200000880 NL 322522T 4R7M 4030004730 Ceramic C2012 JB 1H 222 T A 4030004720 Ceramic C2012 JB 1H 102K T A 4030004730 Ceramic C2012 JB 1H 222 4030004710 Ceramic C2012 JB 1H 471K T A 4030004710 Ceramic C2012 JB 1H 471 4030006450 Ceramic C2012 JF 1H 103Z T A 4030004730 Ceramic C2012 JB 1H 222K T A 4030004720 Ceramic C2012 JB 1H 102K T A P C Board Lead Frame 2599
51. iode 1SS133 1710000160 Diode 1SS133 1710000160 Diode 1SS133 1790000070 Diode 1SS237 1790000070 Diode 155237 1710000160 Diode 155133 1710000160 Diode 155133 1710000160 Diode 155133 1710000160 Diode 188133 1710000050 Diode 15553 1710000050 Diode 15553 1790000070 Diode 155237 1710000160 Diode 155133 1710000160 Diode 155133 1710000350 Diode 1N4002 1710000160 Diode 188133 1710000140 Diode U05G 1710000160 Diode 1SS133 1710000160 Diode 1SS133 1710000160 Diode 1SS133 1710000050 Diode 15553 1710000050 Diode 15553 CR 114 CDB455C7A CR 318 CDA10 7MC4A A 6050002440 6070000010 6050006680 6070000070 Crystal Discriminator Crystal Discriminator 2010001070 Filter 46M20AU 2010001160 Filter 10M15B7 2030000030 Ceramic Filter 455 15 2030000040 Ceramic Filter KBF 455R 6AS 2020000670 Ceramic Filter SFE10 7MS2 A 6150000990 6150000990 6150001480 MAIN UNIT DESCRIPTION Coil LS 164 Coil LAL 03NA 1R5M Coil LAL 03NA 100K 6150001480 6180000790 6180000880 6150002550 Coil LS 284 6150002550 Coil LS 284 6180000880 Coil LAL O3NA 100K 6150002290 Coil LS 240 6180002270 Coil LAL O3NA 470K 6170000140 LW 15 7010003280 Resistor ELR20J 1000 7010004230 Resistor R20J 2 2
52. it RL2 RL3 The RF relay circuit switches the signals to bypass through a preamplifier 2 be amplified at the preamplifier The pre amplifier IC2 provides 15 dB gain to attenuate IF signal level at an attenuator circuit Q16 when the preamplifier circuit is turned ON 3 905 0 1856 0 MHz FILTER RF signals enter an antenna connector J9 and then pass through a switching diode 018 The signals are applied to two separate high pass filters for frequencies lower than and higher than 1380 5 MHz The filtered signals pass through a switching diode D21 4 1 2 HF BAND CONVERTER CIRCUIT PLL UNIT The filtered signals entering at J8 are applied to a 1st mixer circuit consisting of IC7 L29 L30 and then are mixed with a 63 0 MHz 1st LO signal to produce a 63 1 112 9995 MHz 1st IF signal corresponding to the receive frequency range 0 17 49 9995 MHz The 63 0MHz 1st LO signal is generated by a local oscillator X1 Q1 X1 produces a 12 6 MHz reference frequency The reference frequency is multiplied by five at LO amplifiers Q6 Q15 for producing the 63 0 MHz 1st LO signal 4 1 3 1GHz BAND CONVERTER CIRCUIT PLL UNIT The filtered signals entering at J9 are applied to a RF amplifier IC8 corresponding to a UHF band and then applied to a 1st mixer circuit IC9 IC9 is a DBM Double Balanced Mixer The signals are mixed with a 475 5 905 0 MHz 1st LO signal to produce a 429 5 905 0 MHz 1st IF signal corres
53. iter amplifier and quadrature detector circuit In FM or AM mode the signal is detected to obtain AGC vol at D1 D11 and is then amplified at an AGC The 2nd IF signal from the 2nd mixer IC3 pin 5 passes age M P i ih h ic filter 15 wh t d amplifier Q11 The amplified signal is distributed to a des i SF M Va put i SIE di base of the IF amplifier Q1 on the MAIN UNIT and the Suppressed DEAS atthe amplifier on the TUNER UNIT EP2 through the section IC3 pin 7 and applied to the quadrature detector TAGC line section IC3 pin 11 and ceramic discriminator X4 to de an AF signal The AF WFM mode the WFM 5 line becomes HIGH IS UPAR ONE pin 13 turning 012 voltage is cut off when Q12 is turned ON 4 2 6 S METER CIRCUIT MAIN UNIT When the scan is in operation the AGCR signal from In WFM mode the S meter signal is output from IC3 pin the LOGIC UNIT turns OFF Q23 C132 is bypassed to 14 and then applied to IC4 a pin 3 The amplified reduce the AGC time constant signal is applied to a main CPU IC2 pin 93 e DEMODULATOR CIRCUIT 5 0 V 2nd LO signal WFMS5 line S METER MUTE Q9 TAGC Signal SM line from LOGIC UNIT S Meter signal S METER MUTE 010 1st IF signal 4 2 8 SQUELCH CIRCUIT MAIN UNIT The IC R100 has 2 squelch systems S mete
54. nce frequency L55 LO level adjustment adjustment 7 4 RECEIVER ADJUSTMENT ADJUSTMENT 2nd LO D A ADJUSTMENT MEASUREMENT POINT VALUE UNIT LOCATION UNIT ADJUST MAIN Connect the MAIN R38 R153 frequency counter to R51 and R52 GND ADJUSTMENT CONDITIONS Preset to center 35 3000 MHz Connect the RF Maximum level voltmeter to R47 and More than 300 mVrms e Displayed frequency 144 100 MHz FRG version 120 100 MHz All other versions FM R38 L7 8 R9 GND Displayed frequency 144 105 MHz FRG version 120 105 MHz All other versions Mode FM Remove RF voltmeter Connect the 35 2950 MHz R153 frequency counter to R51 and R52 GND 35 3000 MHz R38 e Displayed frequency 144 100 MHz FRG version 120 100 MHz All other versions Mode FM Repeat steps 4 and 5 several times MAIN Connect the digital DC voltmeter to R88 e Displayed frequency 144 100 MHz FRG version 120 100 MHz All other versions e Mode WFM e PRE ATT switch OFF e Set the signal generator Level 3 2 uV 97 dBm Modulation 1 kHz Deviation 50 kHz This output level of the standard signal generator SSG is indicated as SSG s open circuit e MAIN UNIT 2nd LO D A point R88 WFM check point 2nd LO D A adjustment C130 WFM adjustment RECEIVER
55. ne 604 273 7400 Fax 604 273 1900 Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 Icom Australia Pty Ltd A C N 006 092 575 7 Duke Street Windsor Victoria 3181 Australia Phone 03 9529 7582 Fax 03 9529 8485 Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 Telex 965179 ICOM G Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 61 36 03 03 Fax 61 36 03 00 Telex 521515 Count us 5103 5 2 Printed Japan Copyright 1990 Icom Inc Inc 6 9 16 Kamihigashi Osaka 547 Japan
56. ng through a switching diode D10 a 0 1000 1 6290 MHz signal is applied to an attenuator consisting of R64 R66 The attenuator prevents distortion of very strong signals from medium wave broadcasting stations The signal is applied to FIL 1 1 5 11 12 which forms a low pass filter The filter circuit cuts off frequencies of 1 6290 MHz or higher The filtered signal passes through a switching diode D11 1 6295 32 7495 MHz After passing through a switching diode 012 a 1 6295 32 7495 MHz signal is applied to FIL 2 C1 C7 L1 L2 which forms a high pass filter The filter circuit passes frequencies approx 1 630 MHz or lower The signal is applied to FIL 3 1 5 11 12 which forms a low pass filter The filter circuit cuts off approx 32 75 MHz or higher The filtered signal passes through a switching diode D14 32 7500 49 9995 MHz A 32 7500 MHz 49 9995 MHz signal is applied to FIL 2 through the switching diode 12 The signal is applied to FIL 4 C1 C9 L1 L4 which forms a bandpass filter The bandpass filter passes signal within the frequency range of 32 7500 50 0000 MHz The filtered signal is applied to the switching diode D14 RF CIRCUITS 0 1 49 9995 MHz 0 1 1 8290 MHZ 1 6295 49 9995 MHz 1 6295 32 7495 MHz 2 50 0 905 0 MHz FILTER No filter is installed in this frequency range RF signals enter an antenna connector J7 and then are applied to the RF relay circu
57. ng to the voltages They are regulated at the follovving circuits using 13 8V DC 1 5 V REGULATOR MAIN UNIT 5V DC is regulated by the three terminal voltage regulator IC9 and applied to the MAIN and PLL UNITS 2 10 V REGULATOR MAIN UNIT 10V DC is regulated by the three terminal voltage regulator IC8 and applied to the MAIN and PLL UNITS e 5 V AND 10 V REGULATOR CIRCUITS HV iine PUSH ON VOL CONTROL POW line 13 8 V Fig 9 4 4 3 CPU POWER SUPPLY CIRCUIT LOGIC UNIT The DC voltage is applied to the main CPU IC2 pin 8 via D2 from the lithium backup battery BT1 to provide backup for the memory contents regardless of the power switch condition e CPU POWER SUPPLY AND CPU RESET CIRCUITS LOG 5 line Fig 10 4 4 4 SUB CPU POWER SUPPLY CIRCUIT MAIN AND LOGIC UNITS The DC voltage is applied to the sub CPU IC1 pin 54 from the lithium backup battery BT1 to provide backup for the memory contents This circuit is controlled by Q28 SUB CPU POWER SUPPLY LOG 5 line SBUP line to LOGIC UNIT IC1 pin 54 Fig 11 4 5 OTHER CIRCUITS 4 5 1 DIMMER CIRCUIT LOGIC UNIT The dimmer circuit consists of Q8 Q9 and other components and drives backlights DS2 ensuring that brightness does not change even with a change of power supply When the main CPU IC2 pin 28 changes its output level Q8 and Q9 change the base voltage and collector current When the main CPU IC2
58. or indicating signal strength on the S indicator SM PT7 3 2 OUTPUT PORT PORT PORT PIN NUMBER NAME NUMBER DESCRIRHON 00 DAO 14 18 Output D A converted P04 DA4 signals which control the frequency for lower 10 kHz unit POS port becomes HIGH when mode is selected 85 Outputs a strobe signal for the PLL IC chip SSTB Outputs a strobe signal for the sub CPU when FM mode is selected The port becomes HIGH when mode is selected The port becomes HIGH square vvaves used as a beep tone Outputs a pulse of 15 5 vvidth vvhen the CPU is reset Output band control signals See the table shovvn in the section The port becomes HIGH when the PRE ATT switch is pushed Outputs serial clock Signals Outputs serial SRST Outputs 1 kHz or 500 Hz The port becomes when the switch is pushed tvvice The port becomes HIGH when the PUSH ON VOL Switch is ON The port becomes HIGH when the AFC ANL switch is ON The port becomes HIGH when the DIM switch is The port becomes LOW when the AGC is set to FAST in scanning operation 4 6 2 SUB CPU PORT ALLOCATIONS PORT PORT PIN NUMBER NUMBER DESCRIPTION When the port becomes LOW the CP
59. pin 28 outputs LOW the base of Q9 obtains 5V through R89 to light up DS2 When the main CPU IC2 pin 28 outputs HIGH to turn ON Q1 R89 and R90 divide 5 V into three voltages The three voltage portions are applied to the base of Q9 Therefore the collector voltage from Q8 decreases to dim the brightness of the lamp DS2 4 5 2 CPU RESET CIRCUIT LOGIC UNIT When the power switch is turned OFF the reset circuit functions as a three terminal voltage regulator IC IC3 which resets the main CPU IC2 IC3 detects 5 V when the DC voltage is applied to the input terminal of IC3 and outputs 5 V The voltage of the leading edge is applied to a time constant C55 R93 to obtain sufficient reset time and inverted to supply a reset signal to the main CPU IC2 pin 7 at Q12 The differential circuit C54 R84 functions while an AND circuit D3 D5 pushes and holds the CLK FUNC and ENT switches When the power switch is turned ON the differential circuit outputs a pulse to reset CPU 4 5 3 REAL TIME CLOCK LOGIC UNIT This receiver has a clock IC IC1 with timer function A 32 768 kHz is oscillated at X2 for clock reference When the power switch is turned OFF the DC voltage is applied to the sub CPU IC1 from the lithium battery to provide backup for clock operation 46 LOGIC CIRCUITS LOGIC UNIT The LOGIC UNIT has two CPUs installed as main and sub CPUs for a variety of operating functions 4 6 1 MAIN CPU IC
60. ponding to the receive frequency range of 905 0 1856 0 MHz 475 5 905 0 MHz 1st Lo signal is buffer amplified at IC10 depending on the receive frequencies The signal is applied to the 1st mixer circuit IC9 1st LO signat from 016 4 2 IF CIRCUITS 4 2 1 TUNER UNIT PLL UNIT The TUNER UNIT EP2 contains an RF amplifier controlled by the signal mixer and 4 VCOs RF signals are applied to P2 on the TUNER UNIT EP2 to be con verted to 46 MHz IF signal TUNER UNIT EP2 outputs the signal from pin 8 IC2 on the LOGIC UNIT supplies 2 bit data to IC11 pin 3 4 IC11 is expander for switching the operating band of TUNER UNIT EP2 The following table Fig 2 shows the relations between 2 bit data and the band signal H High level No indication Lovv level 4 2 2 AMIFM IF AND 2ND MIXER CIRCUITS MAIN UNIT The 46 MHz IF signal passes through a switching diode D1 with AM 5 and FM 5 signals when AM or FM mode is selected The signal is applied to an IF amplifier and then applied to a crystal filter to improve the selectivity The filtered signal is applied to a 2nd mixer Q2 and then mixed with the 35 3 MHz 2nd LO signal to produce a 10 7 MHz 2nd IF signal A 35 3 MHz 2nd LO signal is generated by a 2nd local oscillator circuit consisting of D8 X3 Q5 and other components The 2nd LO oscillator circuit produces a frequency step less than the PLL reference f
61. r AM Mode o clock and 11 o clock This output level of the standard signal generator SSG is indicated as SSG s open circuit ADJUSTMENT ADJUSTMENT CONDITIONS Same position as FM MAIN R115 mode e PLL UNIT R73 PRE AMP adjustment MAIN UNIT J9 pin 2 J9 pin ipe check point J9 pin 4 R55 AFC adjustment SECTION 8 BOARD LAYOUTS 8 1 SUBORDINATE LOGIC UNITS e TENXEY UNIT e VR UNIT TIM S PUSH ON VOL to to UNIT UNIT sscvosas ss P3 J5 P1 J7 777 2 J6 LOGIC UNIT to to MAIN UNIT MAIN UNIT P2 J6 P1 J7 155184 155187 155190 Symbol Symbol D3 Symbol E3 D3 D5 D2 D4 25 1162 25 2712 FMG4 7148 Symbol 5 Symbol LY Symbol G4 5 BASE BASE 1 COLLECTOR1 COLLECTOR COLLECTOR EMITTER EMITTER EMITTER BASE 2 COLLECTOR2 Q6 08 5 9 12 Q3 1404 Symbol 5 COLLECTOR EMITTER Q1 Q2 Q7 e LOGIC UNIT pue 03 ic aan Man ur Mami P209 8 2 MAIN UNIT to UNIT SPEAKER J 2 saz sae nson se to OR LOGIC UNIT LOG5 p TES to LOGIC UNIT L J4 Der FA 029 amp 8 i 3 lec a PI ap we 77 aas
62. r Resistor Resistor Resistor Resistor Trimmer Ceramic Barrier Layer Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Barrier Layer Ceramic Electrolytic Barrier Layer Ceramic Ceramic ORDER ELR20J 220 R20J 100 ELR20J 1 R50XJ 100 ELR20J 4700 R20J 10 kQ R20J 15 R20J 100 R20J 100 ELR20J 220 ELR20J 180 2 00 16 105 ELR20J 10 ELR20J 1 CRH100X R 02J 27 270 R20J 47 ELR20J 47 ELR20J 3 3 R20J 220 Q 0651 4 0 333 ELR20J 8 2 R20J 100 R20J 4 7 ELR20J 56 ERT D2ZIL154S R50XJ 100 CRH100X R 02J 100 101 R20J 470 ELR20J 39 ELR20J 10 ELR20J 2 2 R20J 2 2 EVML1GA00B15 100KB ELR20J 100 kQ R20J 3 3 kQ R20J 10 R20J 220 kQ RH0651C12J04A 101 DD104 B 102K 50V UAT 08X 473M DD104 CH 050C 50V DD105 SL 101J 50V DD106 B 222K 50V DD106 B 222K 50V DD106 B 222K 50V DD104 SL 200J 50V DD104 SL 200J 50V DD104 SL 220J 50V DD104 SL 100D 50V DD108 B 472K 50V UAT 05X 472K DD105 SL 121J 50V DD104 B 102K 50V 00104 SL 0400 50V DD105 SL 101J 50V DD104 SL 330J 50V DD104 UJ 330J 50V DD105 CH 270J 50V DD107 CH 820J 50V DD111 CH 221J 50V 50 MS7 ORT uF UZE 08X 104M DD104 SL 820J 50V DD108 B 472K 50V
63. r squelch and noise squelch The noise squelch functions in FM mode Some of the noise components in the AF signal from IC1 are applied to IC1 pin 10 via a de emphasis circuit R17 C28 C29 This de emphasis circuit is an integrated circuit vvith frequency characteristics of 6 dB octave The active filter section in IC1 amplifies noise components of frequencies of 20 kHz and above and outputs the resulting signals from pin 11 Output signals are rectified by D2 and D3 and converted to DC voltage The rectified voltage triggers the squelch switch Q3 and then is applied to a squelch trigger circuit IC1 pin 12 The output level from IC1 pin 14 becomes LOW and turns ON D29 The AF signal is muted when the output level from IC6 b pin 7 becomes LOW The S meter squelch functions in either AM or WFM mode The S meter squelch signal from IC1 pin 11 is applied to IC6 a through the squelch switch Q3 to compare with a reference voltage controlled by R86 on the LOGIC UNIT When this reference voltage level is higher than the S meter squelch level from IC1 pin 11 028 is turned ON The output level from IC6 b pin 7 becomes LOW to mute an AF signal line When the S meter squelch is in operation Q19 is turned ON to cut off the noise squelch 4 2 9 AFC CIRCUIT MAIN UNIT This circuit automatically controls the receive frequency to compensate for the frequency drift in FM or AM mode IC2 is a monolithic IC whic
64. requency The LOGIC UNIT supplies D A converted signals to IC10 pin 3 which correspond to each tuning step The signals are amplified at IC10 and then applied to a varactor diode D8 which shifts the oscillation frequency IF AND 2ND MIXER CIRCUITS 46 0 MHz 10 7 MHz Q1 IF PLL IC signal IC1 pin 16 AM FM 35 3 MHz signal DIA signal from LOGIC UNIT Fig 3 4 2 4 2 3 2ND IF AND FM DEMODULATOR CIRCUITS MAIN UNIT The 10 7 MHz 2nd IF signal is applied to 2 Fl2 is MCF Monolithic Crystal Filter which suppresses out of band signals The 2nd IF signal is applied to a 3rd mixer section of IC1 and is mixed vvith a 3rd LO signal to be converted to a 455 kHz 3rd IF signal IC1 is designed for use in FM dual conversion com munications equipment IC1 contains the 3rd mixer local oscillator circuit limiter amplifier quadrature detector circuit and active filter circuit The local oscillator section and X1 generate 10 245 MHz for a 3rd LO signal The 3rd IF signal from the 3rd mixer IC1 pin 3 passes through a ceramic filter F13 where unwanted signals are suppressed It is then amplified at the limiter amplifier section IC1 pin 5 and applied to the quadrature detector section IC1 pin 8 and ceramic discriminator X2 to demodulate the 3rd IF signal into an AF signal The AF signal is output from IC1 pin 9 4 2 4 AM DEMODULATOR CIRCUIT MAIN UNIT A portion of the 455 kHz
65. s is only applied to the cathode of D12 The cathode voltage becomes higher than the anode voltage and D12 shuts OFF just at the moment when the pulses are received The AF signal excluding pulses then passes through D12 and is applied to 5 ANL CIRCUIT Q8 069 R72 D10 AM signal AFC ANL switch LOGIC UNIT to 015 Fig 6 AM5 line 4 3 PLL CIRCUITS 4 3 1 GENERAL PLL UNIT The PLL circuit using a one chip modulus prescaler IC3 directiy generates the 1st LO frequencies vvith 4 VCO s on the TUNER UNIT The modulus prescaler IC3 sets the dividing ratio based on serial data from the CPU and compares the phases of VCO signals and the reference oscillator frequency The PLL IC IC3 detects the out of step phase and outputs it from IC3 pin 5 A reference frequency is oscillated at X1 4 3 2 REFERENCE OSCILLATOR CIRCUIT PLL UNIT A 12 6 MHz reference frequency is produced by the local oscillator section of and X1 C14 provides frequency control 4 3 3 LOOP FILTER CIRCUIT PLL UNIT Phase detected signals from C3 pin 5 are converted to DC voltage by a loop filter consisting of an active filter Q2 and Q3 The DC voltage PLL lock voltage is fed back to the TUNER UNIT EP2 through an LV signal line to control the VCO oscillation frequency The unlock signal is output from pin 7 50 0 905 0MHz N RF 905 0 1856 0 MHz V 1st LO V 630MHz
66. stor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ MCR10EZHJ DESCRIPTION 47 kQ 473 47 473 47 473 22 225 47 473 47 473 47 473 10 103 47 kQ 473 100 104 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 47 473 1 102 1 KO 102 1 102 1 102 4 102 1 102 1 102 1 102 1 102 1
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