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A23/A5 Service manual

Contents

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4. e TOP VIEW The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board DC IN 9 12 V J1 Q N Z O RJ m S kS aan S R E E 04 S 0 gy S RES dd Nin S F LA gt 3 EE B mmc j 15 R B S F qs 55 do go N 8 s amp e o o c lite RIS 5 Re m R34 E O HUS m ai Ce C E W N ANTENNA O
5. SECTION10 BOARD LAYOUTS 2nd IF AMP 450 kHz Q18 Q17 Q16 Q15 FI2 2SC4211 2684215 2584215 2684215 CFWC450E R F U N IT AE ETS Q14 N CHASSIS UNIT 2SD1819A 7 gt 1st MIX T l IC1 TA31136FN D14 D15 D16 an D13 D1 MA77 at FL 325 012 MA304 3SK230 MA304 D8 D9 MA77 apasi 2nd MIX 7 3SK151 KI 1st IF 30 05 MHz lt I ANT N Q13 N 2804215 TX 118 000 136 975 MHz xt RX 108 000 136 975 MHz CDBCA450CX24 BPF CTRL V FM M asi RX 161 600 163 275 MHz
6. o RIJ S 3 5 E 3 9 5 5 Z Ma ES KUN 5 S o R24 SE It SE 018 qi 5 R eS R23 8 2 iL 3 a CH Y B 0140 2 o9 99 RID N ICI J Wo a 2 C 5 gar O O o S gt 5 8 RSS 3 CIg Ry Ceu R54 Wig aim B p R111 E RI go gt R36 5 K x Lt NEE m Us Xv C119 g REC S sd 8 i B 2 E d le qua L m mm M S ca ROB E Q 49 S E z gt CS R31 ACH at lis gt Mis c ast OM mg BE Dl R65 R66 amp 047 gp gt x E qs D16 DD ES E ES 278 PHI J K O e K D Lti 2 Q L 005 EES 2 45 URS RM R42 Cg s S 0 n RIS s 9 nama AZALDI IRL 5 I S m gt T a 5 95 v G gt ol amp FH BB 105 E Reg 8 S 01 Y BR
7. 2 81 C Rie P 82 22 Lk Fale NI x jo D17 O 9 J NU WF F i 23 RIS NS C3 y 10 0 20 UUs I 9 05 5 tan CN R zz S MICROPHONE lt CHASSIS CHANNEL Jo
8. r E STANE AA SECTION 1 GENERAL e Frequency coverage Type of emission e Channel spacing Memory channels Power supply requirement External power supply requirement Current drain at 9 6 V DC Operating temperature range Frequency stability e Antenna connector Dimensions projections not included Weight with ant BP 200L TRANSMITTER RF output power at 9 6 V DC with supplied battery pack Modulation system Modulation limiting Audio harmonic distortion e Hum and noise ratio e Spurious emissions Microphone impedance MIC RECEIVER Receive system Intermediate frequencies e Sensitivity e Threshold squelch sensitivity e Selectivity Spurious response rejection ratio Audio power output at 9 6 V DC e Hum and noise Audio output impedance Ext speaker connector SPECIFICATIONS X 118 000 136 975 MHz RX 108 000 136 975 MHz WX 161 650 163 275 MHz IC A23 only IC A5 118 000 136 975 MHz U S A version only 6KO0A3E 16KOG3E Weather channel USA version only 25 kHz 20 channels x 10 banks 9 6 V DC supplied battery pack 9 6 V 12 0 V DC negative ground Transmit 1 8 A max 1 1 A typical Receive 500 mA max AF max 70 mA typical stand by 10 to 60 C 14 F to 140 F 17 ppm 10 C to 60
9. N o s000 Q t ON 2 9002054 A EF 258 G X 5 EO Sr LLI NA 2 lt x Y gt N q N MP5 C Nho Yi W 4 4 VAL A 2 N MP19 SECTION 8 SEMI CONDUCTOR INFORMATION 8 1 TRANSISTORS NAME SYMBOL INSIDE VIEW NAME SYMBOL INSIDE VIEW 38K230 U1B MT INSIDE VIEW E SYMBOL INSIDE VIEW MA111 MA2S111 25728 RB060L 40 B1 C1 XP1501 AB E B2 C2 E1 C1 XP4315 B1 B2 C2 E2 8 2 DIODES SYMBOL INSIDE VIEW 15 246 11 MA133 MP MA8024 MA8036 L MA8051 H MA8100 MA6S121 MA728 77 25C4116 BL 25C4211 6 TL UN9115 25C4215 O 25C4226 R25 25C4403 3 TL 2501819 R 2502216 5 UN9210 m UN9211 UN9213 2SK2974 XP1201 SECTION 9 BOARD LAYOUTS 9 1 LOGIC UNIT e TOP VIEW The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board Oe 0 Dy D C4 0123 PWR 3 6 9 MR
10. OPC 478 to the MIC SP jack C gt to an RS 232C port DB9 female plug incl level converter circuit CAUTION DO NOT connect or disconnect cables to from MIC SP jack while transceiver s power is ON because transceiver enters transmitting mode 5 2 PLL AND TRANSMITTER ADJUSTMENTS e The PLL LOCK VOLTAGE adjustment must be performed at the NORMAL mode e REFERENCE FREQUENCY IDLING CURRENT OUTPUT POWER AND AM MODULATION adjustments must be per formed at the ADJUSTMENT mode MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS UNIT LOCATION UNIT ADJUST PLL LOCK Operating frequency 136 975 MHz RF Connect a digital multi 3 7 V RF 140 Receiving meter to the check point CP1 REFERENCE e Operating channel 0 ch FREQADJ Loosely couple the fre 136 9750 MHz DIAL FREQUENCY 136 975 MHz panel quency counter to the panel e Connect the RF power meter or a 50 Q antenna connector dummy load to the antenna connector Transmitting IDLING Operating channel 1 ch PWR 1 Side Connect a DC amme 600 mA RF R16 136 975 MHz panel ter between the DC Connect the RF power meter or a 50 power supply and dummy load to the antenna connector transceiver s DC Transmitting power jack OUTPUT e Operating channel 2 ch PWRADJ Top Connect a
11. 0 9 E 2 DS2 NS O LO QN O k 10 st O QN ON 0 QN N LNJ310M6URA O O O O O O O LO LO 1 O O O O st st sb lt sb x N TSTe Tere bad od Fe Fea R4 C138 C4 0 1 N d 2 Q8 4 100 3 C5 0 001 sales M c VIT XP1201 mja oa 2 lt O 01280 G p uo 5 8 5 5 6 6 n m a S mlololaisAlals c12901 C C130 0 1 N CHASSIS I E IN A 211 I g R107 C131 0 1 G LIGHTC i TG 10k UP O 1 W 38 BDET l R108 St BUSYLED C47 R104 NE NB p 470p R31 a R100 1k 33k i PTT 1K MA8051 H 0 45V S2 100k S4 S5 UP SQL POWER J E E C10 C11 C12 C13 C18 A 0 001 0 001 J 0 00 T 0 001 0 001 zo z oo o J gt pv 1 D 22 KRO D14 MA2S111 EXTPTT KS3 Q1 LOGIC UNIT 2581132 D KV mi m N E Ip m sm ms m R14 IC A23 only 1 1 IC A5 only R11 R12 R13 3 3k KS1 390 390 390 i DS5 D D DS6 DS7 DAP202U i LN1371G LN1371G LN1371G Ex toin R15 Ban rn GN LM 1 KSO 1 KSO pss ps XlDsio L 4 R561 LN1371G LN1371G LN1371G 1M mom m m m m m m m m m m d w w w m m m m m m m m m LEFT SIDE MA2S111 VORDET QS S ja
12. Q10 2501819 E Q29 2SC4403 TX 118 0 136 975 MHz T RX MHz S T FM 132 45 134 125 MHz S Tb ON D24 MA304 o 031 032 030 027 028 il D5 Q6 D4 Q4 Q3 Q2 2564226 2504403 25 4403 lt i 2504403 1SV246 2803357 2SK2973 LPF H dp zi D6 MA77 d gt D17 MA77 gt lt 3 D25 MA77 95 a 29 600 MH 2SC4211 E TA 034 UN9210 5 PWR 02 MA728 DET D3 MA728 S1 LED SW gt freg ADJ HVU17 VCO V Q7 2581132 m CURRENT Q8 2504211 S AMP D7 MA111 LL M al TN VESE j IC505 IC6 LED SW Q33 M52429FP TA7368F 28C4116 AF POWER OUT l J2 EXT HU H EEE 019 D23 MA133 EXT 8 CLONE I O UN9210 D27 MA111 wx SP MIC 025 2581132 A CONVERT Q26 UN9211 _o sw IC4 M62354GP 5 1 8 n INT SP 2 RESISTOR OT 52 DSI D11 25111 2378L ED ET W Q5 UN9210 5V Ws HV A N HE Q1 2SB1132 N Q2 2504116 O DC 12V INPUT D20 SB07 03C lt ME S dh D21 MA133 D22 MA2S728 022 25B1132 055 0510 _ ae sw CHG SW S Y Y IN L Q24 HAT1024R N POW BATT V DET s IC15 IC9 R41 L CTRL ISD1420SI BA3308F D7 MA8100 VOICE A MIC ANL D8 MA2S111 SHIFT REC PLAY N AMP N RESISTOR Oe 2002010 IC12 NJM2902V 7K IC8 BU4094
13. R14 5 Z a n Y RIM Cis 9 Z gt RRS mu 0123 2 M3 In ko E mc RIS ar R106 TI C Blase S QA 5 10125 W14 S 70 74 n R5 T 2 a C148 MP1 s g eh I 8 Se e EN Le B TT ESL 0168 C15 T lt BE am s X somaa j val 79 eme 1 LC 2 E TS x jo SES A 71 Be el p Us E T3 m 8 x NEN N Se T x gt 2 cj cHG i Battery 5 cp e ji x LP E S mai 9 9 6 V Em 4 085 S A RIS 8114 C164 aa L S wl clea g e ETN Y G ES W N 6 R109 RUG gt ge g 8 gt gt m 7 z RIZ E B QIS MNT N ks ms 18 8 5 I S 1510 J 5 E as 7 65 8 p R sin D 105 3 J9 9 V Gi T gt 5 T 0100 L j EE lt PTT LIGHT u O Op lt SP1 Q zl O gt e BOTTOM VIEW The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board DI9 125 104 S C48 D C129 5 x Ss 628 __ 27 lt z y Re5 i O 130 MP 018 _ 056 269 qmm b Bo RIT CZ R78 ni S dle R 7 f L MP1 S 2 aces 5
14. RB 2 24 Si ww Gs 81398 2 Xi 2 SE Ho ale L V amp NEM El RO4 FS gig ent 61 B 7 C188 _ EXT SP MIC J2 Battery 2 RISA R149 8 Bp 90 0 SS I Si e pH H 9 9 6 V O m u 1 JU Com s ER M EL JM 133 4 um o nag n 5 SB R147 Ji 3 B C sia CS L34 E AY gp 809 Sire Z see ae me 3 E 1 ciel Rug S S A 154 RII Van 2 76 R87 m 2 S Ims mE ii ajm i Z D _ NEE Ta R c 2 281 CX RM 885 E C197 g R157 e 301 Rid Ce S H L SSS 8 8 81 X ld C185 9 O BS EB 01 BF sa cante N i g R
15. C BNC type 50 nominal 58 W x 107 H x 28 5 D mm 2 546 W x 4 732 H x 1 1 6 D in 340 0 12 oz 5 0 W PEP typical 1 5 W CW typical Low level modulation 70 100 of max deviation Less than 10 at 60 modulation More than 35 dB More than 60 dB 150 0 Double conversion superheterodyne system 1st 30 05 MHz 2nd 450 kHz Less than 1 0 uV at 6 dB S N Less than 1 0 uV at 12 dB S N FM Less than 0 71 uV Less than 0 22 uV FM More than 7 5 2 6 dB Less than 25 2 60 dB More than 60 dB More than 500 mW at 10 distortion with an 8 2 load More than 25 dB 80 3 conductor 3 5 d mm 18 8 Q Specifications are measured in accordance with FCC Part87 All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS RF UNIT BOTTOM VIEW TOP VIEW pr AF amplifier Low pass filter 1 510 TC75W51F ALC detector D2 D3 MA728 AF amplifier fi E IC6 TA7368F ss r Vc o S Antenna switching oe Electric volume Ld circuit IC505 M52429FP i RF amplifier i Q11 3SK230 VOR switching miset Power amplifier 019 UN9210 j N T IC A23 only IF amplifier Q13 Q15 Q16 YGR amplifier Q17 2SC4215 03 25K2973 1st mixer 2nd mixer IF discreminator Q12 35K151 Qt TI IF
16. C145 gt 136 EXT SP MIC RF U NIT S AN ak a gp 4pin d 3 5 11 2 RF UNIT VCC VCC C539 R300 A 0 1 1k En R146 C185 R141 R301 b iid nd C538 l lt lt o o F gt HV j BEEP L poo SIDET tt EXTMIC EXTMIC EXTMIC REDETV 100K VIIIIIIIII op ww los gt PE W R160 NEE Y VORON 47k DE o j C N N O O C540 5 W16 J2 p We RF U NIT C146 C142 C144 C143 C145 C141 L36 EXT SP MIC 0 001 0 001 0 001 001 0 001 0 001 j 13 3 TT T 22 SPAM JPM1990 2711R NJM2107F R162 100k 140 27 150 26 160 25 17Q 24 190 22 ND R3 RX 0 0V L9 C26 a TX 1 8V 32250 222 94 2581132 C9 Q8 gn gat ee TE ES i c ow 2SC4211 118V246 J 39nH 1 402 2 LI __ J ue R31 15k 980 ANTENNA 33k C36 C35 C42 R33 0 001 V 33p C10 C8 L3 L2 L1 J1 I 0 001 220 0 001 0 001 65nH 65nH 50nH I K a Va 04 I 0 e 06 age v 25 3357 D Q3 4 a I US 0 001 2SC4403 1k ge tk I 39p 2SK2973 DL ce i I R32 Q2 R28 MP2 I CHASSIS UNIT 109 100 Q5 C27 2SK2974 C7
17. MCR10EZHJ 22 Q 220 MCR10EZHJ 22 Q 220 ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 kQ MCR10EZHJ 150 Q 151 MCR10EZHJ 18 amp 180 ERJ3GEYJ 103 V 10 ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 151 V 150 Q ERJ3GEYJ 273 V 27 ERJ3GEYJ 271 V 270 Q ERJ3GEYJ 473 V 47 ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 150 V 15 Q ERJ3GEYJ 471 V 470 O ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 471 V 470 O ERJ3GEYJ 683 V 68 ERJ3GEYJ 101 V ERJ3GEYJ 221 V 220 9 ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 471 V 470 Q 100 Q RF UNIT 7030003360 7030003540 7030003480 7030003560 7030003600 7030003480 7030003440 7030003640 7030003760 7030003200 7030003350 7030003560 7030003560 7030003560 7030003570 7030003440 7030003560 7030003680 7030003800 7030003820 7030003800 7030003450 7030003680 7030003600 7030003680 7030003640 7030003730 7030003680 7030003680 7030003440 7030003430 7030003690 7030003680 7030003680 7030003680 7310003660 7030003640 7030003640 7030003630 4030007050 4030006980 4030007060 4030006940 4030007040 4030006860 4030006860 4030006860 4030009510 4030009510 4030007030 4030007030 4030009510 4030009500 4030011600 4030006860 4030006860 4030006860 4030007120 4030007060 4030006860 4030006860 4030006860 4510006140 4030007100 4030006860 4030006860 4030007080 4030006860 4030006860 4030006860 4030007080
18. S COIL ELJND R27J F 1520000460 S TRANSISTOR 2581132 T100 R 6200005510 S COIL ELJND R27J F 1590001140 S TRANSISTOR UN9210 TX 6200007000 S COIL ELJRE 82NG F 1590002580 S FET HAT1024R EL 6130002950 S COIL LB 342 1520000460 S TRANSISTOR 2581132 T100 R 6200004480 S COIL MLF1608D R82K T 1590001150 S TRANSISTOR UN9211 TX 6200002190 S COIL MLF2012A 4R7K T 1530002560 S TRANSISTOR 2SC4403 3 TL 6200003710 S COIL NL 252018T 2R7J 1530002560 S TRANSISTOR 2SC4403 3 TL 6200001040 S COIL MLF2012E 6R8M T 1530002560 S TRANSISTOR 2SC4403 3 TL 6200003540 S COIL MLF1608D R22K T 1530002920 S TRANSISTOR 25 4226 2 R25 6200003540 S COIL MLF1608D R22K T 1530002920 S TRANSISTOR 25 4226 2 R25 1530002920 S TRANSISTOR 2SC4226 T2 R25 1530002850 S TRANSISTOR 2SC4116 BL TE85R 7030000260 S RESISTOR MCR10EZHJ 47 Q 470 1590001140 S TRANSISTOR UN9210 TX 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 1520000650 S TRANSISTOR 2SB1201 S TL 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 1590001170 S TRANSISTOR XP1501 TX AB 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 kQ 7030003370 S RESISTOR ERJ3GEYJ 271 V 270 Q 1790000620 S DIODE MAT7 TX 7030003370 S RESISTOR ERJ3GEYJ 271 V 270 Q 1790000660 S DIODE MA728 TX 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 1750000460 S DIODE 1SV246 TL 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 kQ
19. 104KT N C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1H 471K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N TEMSVA 1A 106M 8L C1608 JB 1E 103K T A ECST1VY224R C1608 JB 1A 224K T N C1608 JB 1C 104KT N C1608 CH 1H 101J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CS100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A S ELECTROLYTIC ECEV1CA101UP A23 only RF UNIT 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030007090 4030006860 4030006990 4030006860 4030006860 4030006860 4030006860 4030007070 4030006860 4030006860 4030009500 4030006860 4030006860 4030006860 4030009520 4030009520 4030006930 4030007030 4030007120 4030006860 4550006360 4550006150 4030006860 4030006860 4030006860 4550006220 4030006860 4030007070 4030007030 4030006900 4030010740 4030006860 4030011600 4030007050 4550006540 4510006220 4550006540 4030006860 4030006860 4550006540 4030006860 4030006860 4030006860 4030006860 4510006220 4030006860 4030006900 4030006930 4030007110 4030006860 4030007050 4030012600 4030007030 4030007070 4030006940 4030007040 4030011600 4030007120 4030007000 40
20. 1750000460 S DIODE 1SV246 TL 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kQ 1790000620 S DIODE MA77 TX 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 kQ 1790000660 S DIODE MA728 TX 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1790001280 S DIODE MA111 TX 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 1790000620 S DIODE MA77 TX 7030003260 S RESISTOR ERJ3GEYJ 330 V 33 Q 1790000620 S DIODE MAT7 TX 7310003600 S TRIMMER EVM 1XSX50 B34 303 1790001290 S VARICAP MA304 TX 1790001290 S VARICAP MA304 TX 1790001290 S VARICAP MA304 TX 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1790001290 S VARICAP MA304 TX 7030003290 S RESISTOR ERJ3GEYJ 560 V 56 Q 1790000620 S DIODE MAT7 TX 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 1790001280 S DIODE MA111 TX 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kQ 1750000540 S DIODE RB060L 40 TE 25 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1790000670 S DIODE 5807 03 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1790000860 S DIODE MA133 TX 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 1790001240 S DIODE MA2S728 TX 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kQ 1790000860 S DIODE MA133 TX 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kQ 7030003570 S RESISTOR ERJ3GEYJ 123 V 12 kQ 7030003260 S RESISTOR ERJ3GEYJ 330 V 33 Q 1790000620 S DIODE MAT7 TX 7030003580 S RESISTOR ERJ3GEYJ 153 V 1720000
21. 274 V 270 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 ERJ3GEYJ 102 V 1 ERJ3GEYJ 821 V 820 ERJ3GEYJ 124 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ EVM 1XSX50 B55 504 ERJ3GEYJ 473 V 47 ERJ3GEYJ 473 V 47 ERJ3GEYJ 393 V 39 120 kQ 100 kQ C1608 CH 1H 220J T A C1608 CH 1H 070D T A C1608 CH 1H 270J T A C1608 CH 1H 030C T A C1608 CH 1H 180J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 010B T A C1608 CH 1H 010B T A C1608 CH 1H 150J T A C1608 CH 1H 150J T A C1608 CH 1H 010B T A C1608 CH 1H OR5B T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 820J T A C1608 CH 1H 270J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1HSOR1SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 560J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 390J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 390J T A C1608 CH 1H 330J T A C1608 JB 1H 102K T A TEMSVA 1A 106M 8L C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 080D T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 390J T A S Surface mount RF UNIT ORDER ORDER E Gn suu E E su
22. 80945ALMP DA9 T2 S 81350HG KD T1 HN58X2432TI BU4094BCFV E1 BA3308F T1 NJM2903V TE1 NJM2902V TE1 NJM2904V TE1 NJM2903V TE1 15014205 S 81250SG QD T1 A23 only A23 only A23 only A23 only 2SB1132 T100 R 2SC4211 6 TL 2SD2216 S TX 2SB1182 TL Q UN9210 TX UN9213 TX XP1501 TX AB XP1201 TX XP1201 TX 2SB1462 R TX XP4315 TX UN9211 TX 2SC4211 6 TL XP4315 TX DTB123EK T147 DTC144EE TL A23 only A23 only MA2S111 TX MA6S121 TX DAP202U T107 DA113W T107 DA112 T107 MA8100 M TX MA2S111 TX MA728 TX MA2S111 TX MA2S111 TX MA2S111 TX MA8051 H TX MA2S111 TX MA8036 L TX MA2S111 TX MA2S111 TX MA8051 H TX A23 only A23 only CR 534 5 039 MHz ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 kQ EXB V8V 104JV 100 KQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 391 V 390 Q ERJ3GEYJ 391 V 390 Q ERJ3GEYJ 391 V 390 Q ERJ3GEYJ 332 V 3 3 kQ ERJ3GEYJ 392 V 3 9 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 105 V 1 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 472 V 4 7 kQ LOGIC UNIT ORDER E OR seems 7030003720 7030003680 7030003350 7030003350 7030003440 7030003400 7030003600 7030003620 7030003400 7030003560 7030003720 7030003560 7030003580 751000
23. Ji PDPATA T 0 001 T 100 T 0 001 0 001 p Pojat O 20Q 21 S1 TIT JPM1990 2711R LEFT SIDE ie HT SIDE N Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Phone 06 6793 5302 Fax 06 6793 0013 URL http www icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com lt Customer Service gt Phone 425 454 7619 Icom Canada Glenwood Centre 1150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com Icom Australia Pty Ltd A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http www icomeurope com Icom Spain SL Crta de Gracia a Manresa Km 14 750 08190 Sant Cugat del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http www icomspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 0
24. LOGIC unit and RF unit 3 Remove the RF unit in the direction of the arrow 5 Remove the LOGIC unit in the direction of the arrow ANT plug LOGIC unit 7 Se Chassis panel SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT RF UNIT The antenna switching circuit functions as a low pass filter while receiving However its impedance becomes very high while D8 and D9 are turned ON Thus transmit signals are blocked from entering the receiver circuits The antenna switching circuit employs type diode switching system Received signals are passed through the low pass filter L1 L3 C3 C7 The filtered signals are applied to the type antenna switching circuit D8 D9 The passed signals are then applied to the RF amplifier cir cuit 4 1 2 RF CIRCUIT RF UNIT The RF circuit amplifies signals within the range of frequen cy coverage and filters out of band signals The signals from the antenna switching circuit are amplified at the RF amplifier Q11 after passing through the tunable bandpass filter D13 L18 C58 C60 The amplified signals are applied to the 1st mixer circuit Q12 after out of band signals are suppressed at the tunable bandpass filter D14 D16 L22 L23 C70 C79 Varactor diodes are employed at the bandpass filters D13 D16 that track the fillers and are controlled by the CPU LOGIC unit IC1 via the expander IC IC4 using bandpass
25. M2 x 4 5 NI B 2378 window plate 1903 microphone sponge 1903 bottom sheet IC A23 IC A5 Cable OPC 963 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 O A N 8950004800 8410002162 8510013200 8510013190 8930053580 8510013340 8510013350 8510013450 8930041890 LOGIC UNIT ORDER 5030001860 8930052880 7700002310 8210017030 8930052681 8930053560 8930053570 8510013360 1903 contact spring 1903 PA heatsink 2 2378 VCO case 2378 VCO cover 2378 RF sheet 2378 RF shield 2378 VCO shield 2378 shield plate Aluminum sheet W j p j I j b LCD TTR3845 UPFDCN LCD contact SRCN 2378 SP N W Microphone EM 140 2378 reflector 2378 LCD holder 1 Insulation sheet 2378 LOGIC sheet 2378 LOGIC shield Screw abbreviations PH Pan head Flat head NI Nickel ZK Black 8930045910 Non woven sheet BS 7 2 ACCESSORIES ORDER ea m Optional Ta Optional product Optional product 8930044450 8010011960 8900009980 0800005690 Antenna FA BO2AR Battery BP 200L ACC A5 USA A23 USA only Chager BC 110A A5 USA A23 USA only 1903 belt clip Strap belt HK 005 Cable OPC 967 ACC A23 USAJonly Lazer case LC 147 ACC A23 USA only MP20 C os E JN Y Pg wq s oof g L gt J aes MN afr NS b NN N Q 22 J1 C 21 909029
26. MA2S111 R37 Ss BAT O O NTCCM16084LH O a TXC sss SIE SCK SCK O H SDATA S VODAMA l ll JlJlT U rr VOLDATA O5 VCC _ amp E E E C E 35 O p 0 001 L o O PN O sd N POK 1 O O 4 N PSIB C PSP Ff m0 O TO PDATA PDAA 30 O RF UNIT 5 0V DASTE pase Y J3 EXTMIC EXTMIC m k O O 5v O m m O bcr p p HV HV ski 5 VREC 25 E e O j L NL REDET O O TXC Oo O O en ms gms T 1 Lo O EXTPTT j VORDET VORDET 20 21 R113 120k 5V Q17 Q16 XP4315 DTC144EE DTB123EK R46 EE Q12 UN9211 IC A23 only I E dipl X 212 C104 1 C106 R79 C108 0 001 T 6 8k 0 001 R77 220k g R81 C109 1 8k 0 001 is 61 1111131 10 1 14 148 e T gt gt 0 0047 100k AWN C137 gt gt C136 WY C87 1 T 10 0 0047 5 0V R45 33k C601 C92 R47 C127 D15 0 001 1M 2420 47 MA8036L LAS Col LIGHTC 18 9 BA3308F I 1 015 1 XP4315 C117 4 Enn 01 a r 180k 18k A i I 1 I 1 mmamemmasuwawm L IC A23 only 3 0 0047 R72 4 7k VOR CH 5 0V gt C120 0 IC14 NJM2903V ZZ 22 1 Gu UM EM EM m mmm m m m m m M m R559 100k R87 IC A5 only TBPS1S33
27. R124 3139 S R115 L38 137 f E 001 ja 2 0 1 aN gt 3 J 68k C 82nH 0156 D 0 001 I 47k 027 4000 NEL 0 27 H M6 A 034 C200 167 C166 E j 029 C154 R117 30 KS UN9210 C163 e 6 8k Hn 25 4403 i C148 i R134 LAL 2p 2 K K K p SB07 03C 2 2k 8 W 031 G 030 C155 R118 R116 C151 Va Q28 Wu 027 R129 2SC4226 33p 15 1 5k 0 001 25 4403 HHE E R135 Gies 6 8k A R128 2SC4226 2SC4403 E 1k 15p 220 C160 10k gt C168 C162 0 001 L E ae Q32 D22 SEE C169 A i TIUS a 2SC4226 MA2s728 JUNS210 Q24 J T HAT1024R 2 NE dq li VCC H 2 was ie a Lu 7 Tc oe di Y SI BP 200L 9 ORO Ea l SBATT i SBAT L j 7 9V 9 280 eee TL 1 vcc 4Q 7 O48 M 13 t LU p 5 A Tx TT x Q 2 solaa ou Q36 T Z Il z m so T oss m ND 1 510 2581201 EXCCL3225U 8 5 IC6 TC75W51FU RX 9 2 TA7368F so L UNK 11111 JA l L 9 90 320 ixrPTT tT C187 3 NC POUT Pek f RISO 0 001 L ISJ VCC PWGND 10 leur T f 100k 77 ZZ o I M62429FP NC PREGND LOGIC BH ui R145 A VIN PHASE UN9211 UNT 30 4PASB e 12k C186 10k 184 L C196 RIPPLE ME gt C567
28. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 105 V 1 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 124 V 120 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 393 V 39 A23 only ERJ3GEYJ 473 V 47 A23 only ERJ3GEYJ 224 V 220 kQ A23 only ERJ3GEYJ 153 V 15 ko A23 only ERJ3GEYJ 472 V 4 7 kQ A23 only ERJ3GEYJ 224 V 220 kQ A23 only ERJ3GEYJ 224 V 220 kQ A23 only ERJ3GEYJ 103 V 10 A23 only ERJ3GEYJ 274 V 270 kQ A23 only ERJ3GEYJ 183 V 18 A23 only ERJ3GEYJ 184 V 180 kQ A23 only ERJ3GEYJ 183 V 18 A23 only ERJ3GEYJ 472 V 4 7 kQ A23 only ERJ3GEYJ 472 V 4 7 kQ A23 only ERJ3GEYJ 224 V 220 kQ A23 only ERJ3GEYJ 563 V 56 A23 only ERJ3GEYJ 333 V 33 A23 only ERJ3GEYJ 224 V 220 A23 only ERJ3GEYJ 472 V 4 7 A23 only ERJ3GEYJ 682 V 6 8 A23 only ERJ3GEYJ 154 V 150 A23 only ERJ3GEYJ 182 V 1 8 kQ A23 only ERJ3GEYJ 472 V 4 7 23 only ERJ3GEYJ 224 V 220 A23 only S Surface mount LOGIC UNIT ORDER ORDER amma 7030003520 7030003590 7030003520 7510000980 7030003620 7030003400 7030003680 703000
29. The detector output including pulse noise is applied to the cathode of D18 only If pulse noises are received the cathode voltage of D18 becomes higher than the anode voltage and D18 turns OFF Thus while pulse noises are received the detected signal is not applied to IC2 e ANL CIRCUIT To IC2 pin 6 D18 R99 AM AF signal from Q18 n C115 O ANLC signal R101 from IC5 pin 12 4 1 9 VOR NAVIGATION CIRCUIT LOGIC UNIT IC A23 ONLY From the AF signal the VOR circuit detects a variable signal VORC and reference signal VORS from a VOR station The VOR circuit sends these signals to the CPU IC1 When the transceiver is set in the navigation band 108 000 117 975 MHz the VORON port of shift resistor IC8 pin 4 becomes HIGH turning the VOR circuit ON via Q15 Q15 controls a 5 V power source for the VOR circuit The signal from the AM detector VORDET is buffer ampli fied at the OP AMP IC IC12 The VORDET signal includes 30 Hz variable phase com ponents and 9960 Hz reference phase components e VOR NAVIGATION CIRCUIT 3 1 VORC signal to the lt 2 CPU IC1 pin 22 7 jo J Wee este unes me e VORS signal to the lt 6 7i Phase CPU IC1 pin 11 shift signal to the CPU IC1 pin 2 3 7 The 30 Hz component passes through the 30 Hz bandpass filter IC12 R83 R85 H88 C112 C113 and is converted to a square wave signal
30. be used for all adjustments DO NOT keep power ON for a long time when the transceiver is defective DO NOT transmit power into a signal generator or a sweep generator ALWAYS connect a 40 dB or 50 dB attenuator between the transceiver and a deviation meter or spectrum analyser when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver N O 01 O ND SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 11 died ies TABLE OF CONTENTS SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPTION REGENER CI 1 UI qc TRANSMITTER Uy gp By melizi cdndbeeckqoqT CPU PORTE RES I9 AP ADJUSTMENT PROCEDURES PEPA RATIO Nas is EELABJUS IMEN Ts TA MMERADIUSTMENT u u L RECEIVER ADJUSTMENT uuu PARTS LIST MECHANICAL PARTS AND DISASSEMBLY SEMI CONDUCTOR INFORMATION BOARD LAYOUTS Mec ex ae n li UNIT ee n BLOCK DIAGRAM VOLTAGE DIAGRAM EOGIC NTT
31. circuit etc The 1st IF signal from the 1st IF amplifier is applied to the 2nd mixer section of the IF IC IC1 pin 16 and is mixed with a 29 6 MHz 2nd LO signal generated at the PLL circuit using the reference frequency 29 6 MHz to produce a 450 kHz 2nd IF signal The 2nd IF signal from the 2nd mixer IC2 pin 3 passes through a ceramic filter FI2 to remove unwanted hetero dyned frequencies The filtered signal is amplified at the IF amplifier Q15 and is then applied to the AM detector cir cuit or FM detector circuit respectively 1 AM DETECTOR CIRCUIT The amplified signal is then amplified at the 2nd IF amplifiers Q16 Q17 and applied to the AM detector Q18 to demod ulate the 2nd IF signal into AF signals The demodulated AF signals are applied to the AM FM switch IC2 pin 6 via the ANL circuit D18 2 FM DETECTOR CIRCUIT The amplified signal is then amplified at the limiter amplifier IC1 pin 5 and applied to the quadrature detector IC1 pins 10 11 to demodulate the 2nd IF signal into AF signals The demodulated AF signals are output from pin 9 of the IC1 and are applied to the AM FM switch IC2 pin 7 FI1 013 IC1 2nd Mixer IC1 4 1 5 AF CIRCUIT RF UNIT The AF amplifier circuit amplifies the demodulated AF sig nals to drive a speaker AF signals from the AM detector Q18 While in AM mode or IF IC IC1 pin 9 While in FM mode are applied to the AM FM switch IC2 pin 6
32. filter control voltage These diodes tune the cen ter frequency of an RF passband for wide bandwidth receiv ing and good image response rejection 4 1 3 1ST MIXER AND 1ST IF CIRCUITS RF UNIT The 1st mixer circuit converts the received signal into a fixed frequency of the 1st IF signal with a PLL output frequency By changing the PLL frequency only the desired frequency will pass through a crystal filter at the next stage of the 1st mixer The signals from the RF circuit are mixed at the 1st mixer Q12 with a 1st LO signal AM 78 85 107 825 MHz FM 132 45 134 125 MHz coming from the VCO circuit to pro duce a 30 05 MHz 1st IF signal e RF CIRCUIT ANT 24 D13 Lee err AM signal AF signal IC2 to the AF circuit AM EM l l FM signal EL Q11 D14 D15 D16 012 The 1st IF signal is applied to a crystal filter FI1 to sup press out of band signals The filtered 1st IF signal is applied to the 1st IF amplifier Q13 then applied to the 2nd mixer circuit IC1 pin 16 4 1 4 2ND IF AND DEMODULATOR CIRCUITS RF UNIT The 2nd mixer circuit converts the 1st IF signal into a 2nd IF signal A double conversion superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The IF IC contains the 2nd local oscillator 2nd mixer limiter amplifier guadrature detector and s meter detector
33. or 7 The output signals from pin 1 are applied to the AF amplifier IC510 pin 6 and then pass through the low pass filter 1C510 pins 2 1 The fil tered signals are amplified at the OP amplifier IC14 and are then applied to the power amplifier IC6 pin 4 to obtain the specified audio level after being passed through the electric volume IC505 pins 1 2 The amplified AF signals are applied to the internal speaker SP1 via the EXT SP jack J2 when no plug is connected to the jack 4 1 6 SQUELCH CIRCUIT RF AND LOGIC UNITS A squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch switches the AF mute switch A portion of the 2nd IF signal from the 2nd IF amplifier Q15 is fed back to the IF IC IC1 pin 5 The IF signal is ampli fied at the IF amplifier section in the IC which then detects the receiver signal strength at the RSSI section for conver sion into DC voltage The DC voltage is applied to the CPU LOGIC unit IC1 pin 3 via the RSSI signal after being amplified at the RSSI amplifier C13 The CPU analyzes the noise condition and outputs the con trol signal to the shift resistor IC5 The shift resistor 1C5 pin 14 outputs the squelch control signal via AFC line The signal is applied to the AF out control circuit Q36 Q35 to control the power amplifier IC6 and cut the AF signal line 2ND IF AND DEMODULATOR CIRCU
34. 0N 1590001520 S TRANSISTOR UMS1 TL 6200001630 S COIL ELJNC R10K F 1560001050 S FET 25K2974 6200002190 S COIL MLF2012A 4R7K T 1560001020 S FET 25K2973 MTS101P 6200008170 S COIL 0 35 1 6 8TL 54N 1530003340 S TRANSISTOR 25 3357 2 RF 6200008280 S COIL 0 30 1 7 7TL 50N 1530003280 S TRANSISTOR 2SC4211 6 TL 6200007750 S COIL LQN21A 56NJ04 1530002560 S TRANSISTOR 2SC4403 3 TL 6200008090 S COIL LQN21A 68NJ04 1520000460 S TRANSISTOR 2581132 1100 R 6200007760 S COIL LQN21A 82NJ04 1530003280 S TRANSISTOR 2SC4211 6 TL 6200008090 S COIL LQN21A 68NJ04 1540000520 S TRANSISTOR 2501819 TX R 6200002750 S COIL MLF2012A 2R2K T 1580000650 S FET 3SK230 T2 U1B 6200003590 S COIL 322501 1580000400 S FET 3SK151 Y TE85R 6200008420 S COIL HF50ACC 453215P T 1530002600 S TRANSISTOR 2SC4215 0 TE85R 6200003590 S COIL 322501 1540000520 S TRANSISTOR 2501819 TX R 6200002240 S COIL ELJFC 2R2K F 1530002600 S TRANSISTOR 2SC4215 0 TE85R 6200002240 S COIL ELJFC 2R2K F 1530002600 S TRANSISTOR 2SC4215 0 TE85R 6200002240 S COIL ELJFC 2R2K F 1530002600 S TRANSISTOR 2SC4215 0 TE85R 6200002240 S COIL ELJFC 2R2K F 1530003280 S TRANSISTOR 2SC4211 6 TL 6200002240 S COIL ELJFC 2R2K F 1590001140 S TRANSISTOR UN9210 TX A23 only 6200003590 S COIL 322501 1590001690 S TRANSISTOR UN9115 TX 6200002240 S COIL ELJFC 2R2K F 1590001140 S TRANSISTOR UN9210 TX 6200005510
35. 1 IC16 S 81250SG QD Q4 2581182 018 MA8051 H n C1 0 001 5 0V IC2 S 80945ALMP DA9 T2 EXTMIC SEG20 SEG28 ECK DCC PCON VCC 68 60 55 5 52 51 D10 P30 SEG18 P31 SEG19 P32 SEG20 P33 SEG21 P34 SEG22 P35 SEG23 P36 SEG24 P37 SEG25 POO SEG26 P01 SEG27 P02 SEG28 P03 SEG29 P04 SEG30 P05 SEG31 P06 SEG32 PO7 SEG33 P10 SEG34 P11 SEG35 P12 SEG36 P13 SEG37 MA2S111 R1 P14 SEG38 P15 SEG39 06 dua P16 P17 UN9213 P20 P21 P22 P23 P24 P25 P26 IC1 M38267M8L 266GP P27 39 OEN XOUT BE IT H XIN 28 xcin 34 5V 33 RESET 1 32 DCC 5 039MHz PANTO En KRO C Q11 017 30 P72 55 KEIN IC XP4315 DTC144EE 2 z 573 28 KRS N R6 C7 C8 gt lt lt E72 27 T N 10k T Ti HN58X2432TI S Z lt 29538 i 6 001 Sa gt coc ix x DEE aN _ 0 0047 lt lt lt lt 9 O lt Ez dlu E 2 DS2 SGG d G Q i iD i5 iD ID ID Q D ID d Y Y lt d LNJ310M6URA LNJ310M6URA a an n n o na a n n 0 a n na 0 a n na a TIN Wlolrlolo o N lt 25111 C138 C4 0 1 nd ESI S TR VL 08 R4 O C44 100K a C5 0 001 gt c 0 001 XP1201 E a Q 5 2 zla 9 x O d c1280 1 55 a
36. 10k C184 727 196 5 l6 R14 0 001 I 100 T 0 001 RIPPLE NF C185 R141 R301 i 19K VOLDATA a 820 Was STDET x EXTMIC RF UNIT LIGHT d PTT R163 IC14 d JPM1990 2711R 100k NEVER NJM2107F pi R162 100k 51 JPM1990 2711R i o 11 2 R140 180 C183 4 7 NNN 0 001 d e C29 R19 i 1 D4 0 001 10k R13 R12 65 11SV246 E 68k am 0 00 C402 R29 Ec esses el R31 15k C36 C42 R33 99K 0 001 C35 0 001 220 7 cad K 33p L6 K 8p 04 19 5nH C41 Q6 e Ben 25 3357 D 03 0 0 001 2SC4403 1k 1k T 25K2973 C22 27p R32 100 28 c27 25K2974 lt 2SC4211 56p C43 C39 v pl 0 001 26 KU Su R23 100k C38 C37 10k LU ZZ 10 10k REDETV Q19 C113 RX 1 2V RX 4 2V RX 1 2V OBEN gt gt UN9210 10 TX 0 0V TX 0 0V TX 0 0V p S R78 150k Q20 MEE 45V UN91 1 5 R71 C83 C82 RX 4 8V R93 1 2k 0 001 JE MB TX 0 0V 2 2k 7 C88 RX 44V 22p 0 01 TX 0 0V Q18 a IC1 Ea R62 C84 470k 2SC4211 TA31136FN C90 SONT ome i Fi 1 8k IC2 KU KI KI a 30 050 MHz R61 TC4W53FU D mixouT SN r 10k VCC C61 Q12 ojassa IFIN 0 001 3SK151 C80 Q13 RX 0 1V DEC 0 001 FILOUT 2SC4215 r oov FILIN R60 e R65 R63 100k o ji p 56 220k R70 IC13 RX 0 2V 7 C89 NJM2107F 000 a J us D17 RX 0 2V MATI TX 0 0V 1301 1300 C203 MART C304 0 22H C302 0 22H C300 MA8024 T I 150p J 82p 5V R125 R1
37. 110003790 1110003780 1110003800 1110003790 1190001360 1180001170 1520000460 1530003280 1540000350 1520000270 1590001140 1590001470 1590001170 1590002620 1590002620 1520000430 1590001980 1590001150 1530003280 1590001980 1590000980 1590001940 1790001250 1790001200 1160000050 1750000220 1750000240 1730002330 1790001250 1790000660 1790001250 1790001250 1790001250 1790000990 1790001250 1790001330 1790001250 1790001250 1790000990 6050009620 7030003640 7030003680 7030003680 7030003680 7030003680 7030003560 7030003560 7030003680 7410000730 7030003680 7030003390 7030003390 7030003390 7030003500 7030003510 7030003680 7030003560 7030003560 7030003800 7030003560 7030003560 7030003520 S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S DIODE S DIODE S DIODE S DIODE S DIODE S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S ZENER S DIODE S ZENER S DIODE S DIODE S ZENER S XTAL S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR M38267M8L 266GP S
38. 1160 7030003680 7030003600 7030003680 7310004320 7030003270 7030003680 7030003580 7030003620 7510000960 7030003800 7030003680 7030003690 7030003680 7030003680 7030003630 7030003640 7030003720 7030003580 7030003520 7030003720 7030003720 7030003560 7030003730 7030003590 7030003710 7030003590 7030003520 7030003520 7030003720 7030003650 7030003620 7030003720 7030003520 7030003540 7030003700 7030003470 7030003520 7030003720 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 224 V ERJ3GEYJ 104 V ERJ3GEYJ 181 V ERJ3GEYJ 181 V ERJ3GEYJ 102 V ERJ3GEYJ 471 V ERJ3GEYJ 223 V ERJ3GEYJ 333 V ERJ3GEYJ 471 V ERJ3GEYJ 103 V ERJ3GEYJ 224 V 220 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 153 V 15 kQ 220 kQ 100 kQ 180 180 Q 1 470 22 33 kQ 470 10 Z Zw S THERMISTOR NTCCM1608 4LH 473KC S RESISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 223 V 22 ERJ3GEYJ 104 V 100 kQ RHO3APAS4 47K ERJ3GEYJ 390 V 39 Q ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 153 V 15 ERJ3GEYJ 333 V 33 kQ S THERMISTOR TBPS1R104K475H5Q S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR
39. 1227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France Sa Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 561 36 0303 Fax 561 36 03 00 URL http www icom france com Count on us Icom Inc 13706MZ CD 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan 2000 Icom Inc
40. 19 100 R123 470 470 C159 C153 L40 R126 R121 R120 D26 LB 342 0 001 220 0 001 3 8 AHVUT 470 26k e C157 16 a id R gt K h 1 eae 82nH C156 0 001 0 001 M6 A 034 C200 C167 C166 mi Ky C154 2 x 0 001 0 001 S 4 Q29 RA E UN9210 J Pii R127 usd 0 001 220 R134 L41 s 0 001 6 8k 0 5p 2SC4403 2 2k 0 82 H K K R129 Q31 Q30 C155 R118 Rt R135 C165 6 8k 128 2S5C4226 25 4226 33p 1k 15p 2 220 160 7 C168 a 0 001 777 D24 C162 Q32 0 1 MA304 C164 2p Ed pe s 722 C169 2 2SC4226 E EMB CHGC V Lf CHGC 1 Th Lj SBATT fd SBATT 3L LAM C182 I N RX 0 0V R2 TX 1 8V 100k i L9 C26 EXCCL3225U 2422 C18 C17 s 0 001 JE NES La 0 001 2 C31 0 82 H E ms 01 40 0 001 o i M 1 ANTENNA C30 39p C8 L1 J1 C10 L3 L2 se 0 001 0 001 65nH 65nH 50nH I 1 68nH 0 0 Q 0 I 01 7 I D Q3 MA77 gt j 2SK2973 R8 i 270 I CHASSIS UNI C27 2SK2974 D2 18 27 22 E 56p C20 10k D3 MA728 J Jj Mares 0 5p 1 116 56 Eu 50nH 0 001 Q C53 D8 C54 c55 22p T MA77 pum d p R78 Z C83 RX 1 2V R71 RX 4 8V TX 0 0V x24 1 2k 0091 s TX 0 0V 4 4V 270k a 9 0 01 TX 0 0V R56 E pa R62 TBPS1R154K475H5Q L21 C90 R68 0 001 R66 E 220k 01 J oot sen 0 01 560k L 1 8k Q11 2SD1819A FH C70 C67 30 050
41. 1K T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 6450000870 CONNECTOR 2711 01 020 6450002150 CONNECTOR HSJ1594 010010 6510019870 S CONNECTOR AXK5S40045P 6510021900 S CONNECTOR BM02B ASRS TF 2230001070 S SWITCH JPM1990 2711R 2230001070 S SWITCH JPM1990 2711R 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 7030000010 S JUMPER MCR10EZHJ JPW 000 7030003860 S JUMPER ERJ3GE JPW V 7030003860 S JUMPER ERJ3GE JPW V 6910012350 S BEAD MMZ1608Y 102BT 0910052893 PCB B 5513C S Surface mount SECTION 7 MECHANICAL PARTS AND DISASSEMBLY 7 1 CABINET PARTS CHASSIS PARTS RF UNIT ORDER ORDER ree EY lt a m jej e 6510022390 7600000210 2510000840 8210016991 8210017131 8010017151 8930052580 8930052601 8930052650 8830001250 8930046020 8930044460 8930052620 8930044480 8830001340 8930053150 8930053160 8930044530 8610010530 8810008990 8810009510 8810009630 8310049350 8930046000 8930045940 8900009640 ANT connector BNC R159 Encoder TP70N00E20 15F 1903 Speaker CS028014 12 1903 front panel C 1 assembly IC A23 1903 front panel C 1 assembly IC A5 1903 chassis 1 2378 main seal 1903 10 Key A 1 2378 jack cap ANT connector 101 nut 1123 sheet A 1 1903 contact rubber 2378 DC cap 1903 lens 1903 hexgon nut 1903 rear sheet K 1903 rear sheet L 1903 rubber sheet Knob N263 Screw PH BT M2 x10 ZK Screw BT M2 x 4 NI ZU Screw FH No 0
42. 2903V 22 1 n a a ee R559 100k 87 IC A5 only TBPS1S333K460H5Q R95 017 C106 R79 C108 C105 0 001 6 8k 0 001 22k MA2SI11 OA 10 gt R91 C110 R77 150 0 1 220k us sais RPM RY R81 C109 R82 R88 N 1 8k 0 001 47k 33k d 22M IC A23 only 2 O T RIGHT SIDE 10 20 3Q 4Q 5Q 60 70 80 90 TO 100 LOGIC UNIT 116 J1 120 130 140 150 16 170 190 200 11 2 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 J3 OLIO OO O O O IO IO OIOo O RSSI JACKDET lo DIO m PIC A RFSTB i TXC lt Ale opa gt gjo 1 gt 5 w gt VIT LE EE ETT VCC GND LL LE ILMI Q w I IL DL II 11 j j T COMPLETE VIEW TXC RF UNIT TXC im T Ni DETO f L C539 R300 R549 0 1 1k 120k N gt R146 18 7 R159 EXTMIC 100k LIGHT R160 i N VCC VCC L9 EXCCL3225U 2227629 Q7 voc Q36 1 XP1501 Q35 K 2581201 IC510 TC75W51FU 2 me av TA7368F V IIN j IITA 3 9 1 10 _ j N a A C187 NC pour HS IC505 100k 6158 777 0 001 md cue VCC PWGND s M62429FP NC PREGND R148 R147 C186 VIN PHASE 1k 12k
43. 30007150 4030009650 4030007110 4510006220 4030006860 4030006860 4030008960 4030008960 4550006540 4550006540 4030006860 4030006860 4030007020 4030008470 4030006900 4030007150 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 CH 1H 080D T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 330J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H OR5B T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 020B T A C1608 CH 1H 020B T A C1608 CH 1H 020C T A C1608 CH 1H 150J T A C1608 CH 1H 820J T A C1608 JB 1H 102K T A ECST1VY104R ECST1CY105R C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TEMSVA 0J 156M 8L C1608 JB 1H 102K T A C1608 CH 1H 330J T A C1608 CH 1H 150J T A C1608 JB 1E 103K T A C1608 JB 1A 104K T A C1608 JB 1H 102K T
44. 3630 7030003760 7030003790 7030003600 7030003680 7030003800 7030003440 7030003440 7030003440 7030003440 7030003440 7030003800 7030003800 7030003680 7030003620 7030003680 7030003840 7030003690 7030003570 7030003680 7030003800 7030003800 7030003800 7030003800 7030003800 4030006860 4030011600 4030011600 4030006860 4030006860 4030009650 4030007060 4030011600 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030008880 4030006900 4550006690 4030006860 4550006350 4030011600 4030006860 4030006860 4550006690 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006850 4030006900 4550005980 S RESISTOR S RESISTOR S RESISTOR S THERMISTOR TBPS1R333K460H50 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S
45. 3K460H5Q R95 017 22k 25111 R91 150k R82 33k R112 AK N 22M ra 2 T IIIS 9 IC A5 only 9 COMPLETE VIEW SECTION 11 VOLTAGE DIAGRAM 11 1 LOGIC UNIT DS1 TTR3845UPFDCN 12V in 12V 9 6V in 9 6V Q3 D7 D8 C20 2502216 8100 MA2S111 R5 lt 16 W 0 0017 T 100kS 100k e 6 C22 R18 C E 10k 990 12V in OV IC3 9 6V in 5 0V m S 81350HG KD CHGC 9 8 7 6 5 4 3 2 9 8 7 6 0 9 8 0 7 6 5 4 3 2 gt N n n SEG29 SEG8 C31 Cont 0 001 RH IC16 S 81250SG QD Q4 2 2SB1182 C1 0 001 IC2 S 80945ALMP DA9 T2 DCC PCON D10 P30 SEG18 P31 SEG19 P32 SEG20 P33 SEG21 P34 SEG22 P35 SEG23 P36 SEG24 P37 SEG25 P00 SEG26 P01 SEG27 P02 SEG28 P03 SEG29 P04 SEG30 P05 SEG31 P06 SEG32 P07 SEG33 P10 SEG34 P11 SEG35 P12 SEG36 P13 SEG37 25111 R1 P14 SEG38 FIR P15 SEG39 P16 P17 P20 N P21 P22 P23 P24 P2 IC1 Pa M38267M8L 266GP p27 39 _ MOEN 36 Tj 58 end s 34 33 RESET H xi 32 DCC 5 039MHz P70 INT0 34 en P71 30 KR1 25 p73 i ES e IC7 2 2 5 28 KR3 lt lt Z 27 KR4 E 10k 24p A HN58X2432TI INZ mm s E E C43 Ipsa ooss5558p EErgEzeshZaoab5eerm PR 0 001 LT1EP53A Z Z ooozn zztctbEzziraxxo5kl E lt lt lt lt 9 9 lt
46. 4030007070 4030006860 4550006250 4030006860 4030006860 4030006990 4030006860 4030006860 4030007080 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 682 V 6 8 i ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 223 V 22 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 474 V 470 ERJ3GEYJ 100 V 10 Q ERJ3GEYJ 181 V 180 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 123 V 12 kQ ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 105 V 1 ERJ3GEYJ 155 V 1 5 ERJ3GEYJ 105 V 1 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ
47. 670 S VARICAP HVU17TRF 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 Q 15 kQ 1790001280 S DIODE MA111 TX 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 kQ 1730002270 S ZENER MA8024 TX 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Q 2030000090 2020001 780 6070000210 6050011040 FL 325 30 050 MHz S DISCRIMINATOR CDBCA450CX24 CR 683 29 600 MHz 030003360 7030003560 7030003560 7030003320 7030003400 7030003320 7030003560 7030003500 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR 1790001290 S VARICAP MA304 TX 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 103 V ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 471 V 470 Q ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 332 V 3 3 kQ ERJ3GEYJ 221 V 220 0 10 kQ S Surface mount RF UNIT ORDER ORDER ROR av 7030003720 7030003700 7030003640 7030003700 7030003680 7030003770 7030003280 7030003280 7030003720 7030003720 7030003720 7030003730 7510001000 7030003720 7030003720 7030003800 7030003680 7030003560 7030003760 7030003720 7030003320 7030003290 7030003470 7030003770 7030003500 7030003480 7030003450 7030003400 7030003680 7030003680 7030003440 7030003560 7030003540 7030003700 7030003750 7030003650 7030003460 7030003590 7030003760 7030003
48. 680 7030003520 7030003480 7030003660 7030003680 7030003760 7030003520 7030003480 7030003650 7030003480 7030003320 7030003710 7030003650 7030003520 7030003700 7030003720 7030003680 7030003740 7030003680 7030000180 7030000180 7030003560 7030003680 7030000280 7030000170 7030003560 7030003440 7030003560 7030003340 7030003610 7030003370 7030003640 7030003460 7030003450 7030003220 7030003400 7030003650 7030003400 7030003400 7030003660 7030003320 7030003360 7030003540 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 224 V 220 ERJ3GEYJ 154 V 150 ERJ3GEYJ 473 V 47 ERJ3GEYJ 154 V 150 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 564 V 560 ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 224 V 220 ERJ3GEYJ 224 V 220 ERJ3GEYJ 224 V 220 ERJ3GEYJ 274 V 270 S THERMISTOR TBPS1R154K475H50 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S R
49. A C1608 JB 1C 104KT N C1608 CH 1H 220J T A ECST1CY475R S ELECTROLYTIC ECEV1CA101UP S TANTALUM S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC ECST1CY475R C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECST1CY475R C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 CH 1H 020C T A C1608 CH 1H 680J T A C1608 JB 1H 102K T A C1608 CH 1H 220J T A C2012 JB 1A 105M T A C1608 CH 1H 150J T A C1608 CH 1H 330J T A C1608 CH 1H 030C T A C1608 CH 1H 180J T A C1608 JB 1C 104KT N C1608 CH 1H 820J T A C1608 CH 1H 090D T A C1608 CH 1H 151J T A C1608 CH 1H 240J T A C1608 CH 1H 680J T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1H 102K T A C2012 JB 1C 104K T A C2012 JB 1C 104K T A ECST1CY475R ECST1CY475R C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 120J T A C1608 JB 1H 272K T A C1608 JB 1E 103K T A C1608 CH 1H 151J T A S Surface mount RF UNIT ORDER E RE uv 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006850 S CERAMIC C1608 JB 1H 47
50. BCFV IC14 NJM2903V __ A ALC N L CTRL AN AN LN1371G X6 08 XP1201 S N LED N DRV DS2 DS3 LNJ310MURA ra Q9 XP1201 RN I I I LED KN DRV V Ez DS4 INITIAL LT1EP53A SET Q12 UN9211 BATT V DET u Q11 D4 DA112 XP4315 D3 DAP202U C P U IC1 M38267M6L gt 2 mv Q13 28C4211 D17 MA2S111 S ELDER L ka 77 Q10 2SB1462 POWER SW aa a IIIHIP ERIISHDI gcc pL CR CES D14 MA2S111 NV N lt COMMON KEY MATRIX TX Q7 XP1501 D9 MA728 IC16 Q4 2581132 T IC3 S 81350HG S 81250SG 010 MA2S111 EEPROM lt 1 X1 CR 534 5 039 MHz RESET lt A N N REG N L RE V OF G SW BATTERY PACK DATA IC2 N N S 80945ALMP 10 1 SECTION 11 VOLTAGE DIAGRAM 11 1 LOGIC UNIT DS1 j TTR3845UPFDCN O v nm 2 D11 O F 9 5 Q3 MA2S111 o R17 D7 D8 R3 rc C20 2502216 10k MA8100M MA2S111 NTCCM16084LH N QU N Q O NN Aa Q O ON Aa Orr cT Qo N R5 R16 W n 0 0 0 0 o v 00 0 o ooo 0 0 0 0001 100k D C22 R18 C 0 001 9 3V o E C6 19K D9 0 8 gt nu MA728 L O u 12Vi OV IC3 ims 5 9 6V in 5 0V gt 5 1V S 81350HG KD C31 J 0 001 0 00
51. C UNIT IC8 Outputs control signal to the VOR EN controller Q15 Outputs playback control signal to the PLAYC voice rec play IC C15 pin 23 RECC Outputs recording control signal to the voice rec play IC IC15 pin 27 LIGHTC Outputs LCD backlight control signal BLEDC Outputs BUSY LED control signal Outputs control signal to the Mic mute switch Q12 for internal microphone Outputs control signal to the ALC con EN ALOR troller Q11 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION Most of adjustments must be adjusted on the adjustment mode after programmed adjustment freguency data into the transceiv er s memory channel When program adjustment freguency data into memory channels the optional CS A23 CLONING SOFTWARE Rev 1 0 or later and OPC 478 CLONING CABLE are required REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage 12 V DC Current capacity 5A or more Measuring range 1 10 W Freguency range 100 200 MHz Impedance 50 Q SWR Less than 1 2 1 Frequency range 0 1 500 MHz Frequency accuracy 1 ppm or better Sensitivity 100 mV or better Modulation analyzer Frequency range At least 200 MHz Measuring range 0 100 RF power meter terminated type Freguency counter H SYSTEM REQUIREMENTS IBM PC compatible computer with an RS 232C serial port 38400 bps or fast
52. C5 C3 essa S 2SC4211 d 56p 18p 27p 22p C43 C39 e 39p 0 001 R26 KU R23 jj 100k C38 g ear Ve 0 001 242 10 L15 L16 C56 Bn 54nH 50nH 0 001 Q 019 C113 RX 1 2V RX 4 2V RX 1 2V C53 bs 054 D9 C55 10 TX 0 0V TX 0 0V TX 0 0V 22p MA77 p MA77 18 VORON gt UN9210 N 69 Bm d HE m i N p 150k Q20 R5 E UN9115 Ns 0 001 0 001 I RX 1 2V RX 4 8V R93 1 2k J E TX 0 0V TX 0 0V 2 2k R55 dod C88 RX 4 4V 270k R49 22p T 0 01 TX 0 0V n 47 IC1 R62 TBPS1R154K475H50 018 TA31136FN C84 470k C11 C69 C66 121 i C90 R68 R57 0 3 2SC4211 016 6194 0 01 560k 0 001 L 5 T OE 220k 01 oor 9 68nH xV KV xV 2SC4215 OSCIN C67 Q11 2SD1819A OSCOUT 3SK230 1 8 0 001 TC4W53FU MIXOUT SN Q12 S vec vi jousen i IFIN 013 3SK151 C80 R52 DEG RX 0 1V 0 001 220k i n 2SC4215 R60 FILIN C65 70 Bs 083 me C79 C75 C71 0 001 R48 p 56 220k 560k R70 C89 82p 33p 82p C68 R51 IC13 RX 0 2V 2 2k 0 01 zL b 0 001 47 J R153 017 76 72 R43 RX 0 2V R58 5 R54 5 R53 220k TX 0 0V 220k 220k 220k RX 0 0V TX 0 0V L301 1300 D100 C304 0 22H C302 0 C300 C190 MA8024 150 82 C193 C192 C191 T k L 50p pis p Jj 9 001 AN 940 DCIN 9 12V J1 r H I N AR gt ozcjia lzio D19 L25 S S x RB060L 40 EXCCL3225U INPUT 9 6V C159 C153 Q22 L40 R126 R121 R120 R103 D26 LB 342 9 991 220 470 56k 0 001 2SB1132 2 C157 gt
53. CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H 220J T A C1608 CH 1H 390J T A C1608 CH 1H 180J T A C1608 JB 1H 102K T A C1608 CH 1H 070D T A C1608 CH 1H 151J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TEMSVA 1V 474M 8L C1608 JB 1H 102K T A C1608 CH 1H 030C T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H OR5B T A C1608 CH 1H 820J T A C1608 CH 1H 050C T A C1608 CH 1H 020C T A C1608 CH 1H OR5B T A C1608 CH 1H 330J T A C1608 CH 1H 050C T A C1608 CH 1H 1R5C T A C1608 CH 1H 470J T A C1608 CH 1H 820J T A C1608 JB 1H 102K T A C1608 CH 1H 271J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 100D T A C1608 CH 1H 470J T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 CH 1H 680J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1H 102K T A TEMSVA 1A 106M 8L C1608 JB 1E 103K T A C1608 JB 1H 102K T A TEMSVA 1V 474M 8L C1608 JB 1C
54. CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM ERJ3GEYJ 472 V 4 7 A23 only ERJ3GEYJ 183 V 18 A23 only ERJ3GEYJ 472 V 4 7 A23 only A23 only ERJ3GEYJ 333 V 33 A23 only ERJ3GEYJ 471 V 470 Q A23 only ERJ3GEYJ 104 V 100 A23 only ERJ3GEYJ 393 V 39 A23 only ERJ3GEYJ 474 V 470 A23 only ERJ3GEYJ 824 V 820 A23 only ERJ3GEYJ 223 V 22 kQ A23 only ERJ3GEYJ 104 V 100 A23 only MQ kQ kQ kQ kQ kQ MQ MQ 100 kQ 33 kQ 100 kQ 2 2 MQ 120 kQ 12 kQ A23 only ERJ3GEYJ 104 V 100 kQ A5 only A5 only ERJ3GEYJ 105 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 102 V ERJ3GEYJ 105 V ERJ3GEYJ 105 V ERJ3GEYJ 104 V ERJ3GEYJ 333 V ERJ3GEYJ 104 V ERJ3GEYJ 225 V ERJ3GEYJ 124 V ERJ3GEYJ 123 V i A A A A A A lk nn aa k omni ama mn m ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 240J T A C1608 CH 1H 270J T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 223K T A C1608 JB 1E 103K T A ECST1AC476R C1608 JB 1H 102K
55. ESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 224 V 220 ERJ3GEYJ 224 V 220 ERJ3GEYJ 105 V 1 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 474 V 470 ERJ3GEYJ 224 V 220 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 560 V 56 Q ERJ3GEYJ 182 V 1 8 kQ ERJ3GEYJ 564 V 560 kQ ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 122 V 1 2 kQ ERJ3GEYJ 471 V 470 9 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 154 V 150 ERJ3GEYJ 394 V 390 ERJ3GEYJ 563 V 56 ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 183 V 18 ERJ3GEYJ 474 V 470 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 683 V 68 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 474 V 470 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 563 V 56 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 184 V 180 ERJ3GEYJ 563 V 56 ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 154 V 150 ERJ3GEYJ 224 V 220 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 334 V 330 ERJ3GEYJ 104 V 100 kQ
56. ITS AM AF signal to the AM FM switch IC2 pin 6 filter FM detector 9 FM AF signal to the vasalli Fe AM FM switch IC2 pin 7 C95 1093 c92 4 1 7 AGC CIRCUIT RF UNIT The AGC Automatic Gain Control circuit reduce signal fad ing and keeps the audio output level constant AF signals from the AM detector circuit Q18 are converted into DC voltage at the AGC amplifier circuits Q14 for 1st 2nd IF amplifiers Q10 for RF amplifier by detecting the driving current at the AM detector The DC voltage from the AGC amplifiers is applied to the 1st 2nd IF amplifiers Q13 Q15 Q16 and RF amplifier Q11 to reduce the amplifier gain when strong signals are received e AGC CIRCUIT Q18 2nd IF signal from the 2nd mixer IC1 to the 1st IF amplifier Q13 to the RF amplifier Q11 AF signal to the AM FM Switch IC2 R5 2nd IF filter Q15 450 kHz b Nee C101 R86 C103 X2 29 6 MHz IC2 TA31136F 1st IF 30 05 MHz from the IF amplifier Q13 S meter signal to the RSSI zu R5 amplifier IC13 pin 1 4 1 8 ANL CIRCUIT RF UNIT The ANL Automatic Noise Limiter circuit 021 D18 reduces pulse noises The AM detector output signal from the Q18 is applied to the cathode of D18 passing through R99 where it is divided by R99 and R100 The signal is also applied to the anode of D18 passing through R101 and R102 When the ANL function is activated 021 is ON C115 is grounded
57. MHz 5 Ja lt N C61 lt a e 0 001 3SK151 C80 D14 ook H Q13 RX 0 1V 0 001 MA304 25 4215 E m C81 R65 lt R63 100k C79 C75 C71 9 091 Ok N 270p 56 220k 82 33 I 82p T C68 PR R70 0 001 470 2 2k M AN JE C92 L R43 0 001 D17 76 C72 RH MA77 S 4 5p R53 220k RX 0 2V R58 D 220k RX 0 0V TX 0 0V 220k TX 0 0V C203 C190 15p 1 C193 C192 C191 0 00 J 0 001 0 001 DCIN 9 12V J1 XA X 4 VCC L TY gt 5V D19 L25 RB060L 40 EXCCL3225U 5V C171 0 001 INPUT 9 6V 100 R123 470 R114 R112 pa 150 470 R103 022 C159 Ripe R121 R120 CS 2581132 E 470 56k i C149 Zz 157 139 es R115 QL38 0 001 R113 J L37 0 001 S 68K O 82nH C156 e I 47k 0 27 H jm 0 27 H 0 001 4 SM 150 148 D20 TER 0161 rd J 25 4403 7 8p 47 SB07 03C 0 0 2p 12 lt W 031 A T p x nok 0001 A M 25C4403 6 8k A R128 25 4226 25 4 ni gm C164 E Q32 25728 2 2SC4226 vec 9 6V N HV CHGC HF ACC HF50 CHGC 453215P T BP 200L SBATT 9V 9 6V lt aa W15 MP1 036 T Q25 L28 XP1501 Q35 C195 2581132 EXCCL3225U o RX 9 2V TA7368F TX 9 1V POUT C187 3 d 0 001 L 3J VCC PWGND NC PREGND mus Ria HH sa VIN PHASE UN9211 0567 C186 10k 125 100 447 I 9 001 RIPPLE NF I sssi ki N R146 C185 R141 10k 47 10k SIT 1 P EXTPTT EXTPTT ee J2 C146 0142 0144
58. N ECST1EY474R C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N TEMSVA 1A 106M 8L TEMSVA 1A 106M 8L C2012 JB 1A 105M T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N TEMSVA 1A 106M 8L C1608 JB 1E 103K T A A23 only C1608 JF 1C 224Z T A S CONNECTOR AXK6S40645P LCD S LED S LED S LED S LED S LED S LED S LED S LED S LED TTR3845 UPFDCN LNJ310M6URA LNJ310M6URA LT1EP53A LN1371G LN1371G LN1371G LN1371G LN1371G LN1371G TR TR TR TR TR TR MICROPHONE EM 140 S JUMPER PCB ERJ3GE JPW V B 5512C LCD CONTACT SRCN 2378 SP N W S Surface mount RF UNIT RF UNIT ORDER ORDER omo 38 muun 1110003490 S IC TA31136FN D EL 6200008280 S COIL 0 30 1 7 7TL 50N 1130006220 S IC TC4W53FU feet 6200008300 S COIL 0 35 1 6 9TL 65N 1130008830 S IC TB31207AFN EL 6200008300 S COIL 0 35 1 6 9TL 65N 1110003690 S IC M62354GP 75EC 6200001520 S COIL MLF2012D R82K T 1130007570 S IC BU4094BCFV E2 6200008260 S COIL 0 30 1 7 8TL 60N 1110001810 S IC TA7368F TP1 6200008340 S COIL 0 26 1 1 5TR 19 5N 1110002400 S IC NJM2107F TE1 6200008400 S COIL 0 35 1 6 6TL 36N 1110002400 S IC NJM2107F TE1 6200005710 S COIL ELJRE 27NG F 1110004490 S IC M62429FP 700C 6200003590 S COIL EXCCL3225U1 1130007650 S IC TC75W51FU TE12L 6200002370 S COIL LON 39NJ04 6200006670 S COIL ELJRE 68NG F 6200008190 S COIL 0 25 1 9 8TL 8
59. O SERVICE MANUAL AIR BAND FM TRANSCEIVER IC A23 IC A5 Icom Inc INTRODUCTION This service manual describes the latest service information for the IC A23 IC A5 FM TRANSCEIVER at time of publication DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V Such a connection could cause a fire hazard and or electric shock DO NOT expose the transceiver to rain snow or any lig uids DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply an RF signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceiver s front end 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 e lt SAMPLE ORDER gt 1110003490 516 TA31136FN IC A23 RFUNIT 1 piece 8810008990 Screw FHBT 2x10 ZK IC A5 CHASSIS 6 pieces Addresses are provided on the inside back cover for your convenience MT REPAIR NOTES Make sure a problem is internal before disassembling the transceiver DO NOT open the transceiver until the transceiver is disconnected 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
60. T A TEMSVB2 1A 226M 8L C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECST1AC476R C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 471K T A C1608 JB 1E 103K T A TEMSVA 1A 475M 8L LOGIC UNIT 4030008920 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030008860 4030006880 4550006310 4030006860 4550006250 4030006880 4030006860 4030012600 4030011600 4030006860 4030006860 4030006860 4030006850 4550006250 4550006150 4550006250 4030006860 4030011600 4030006860 4030006860 4550000530 4550003080 4550000530 4550000530 4550000530 4550000530 4030006860 4550000530 4030006880 4030006860 4550006350 4030006900 4030011600 4030006860 4550006250 4030011600 4550006140 4030011600 4030011600 4030011600 4030011600 4550006250 4550006250 4030012600 4030011600 4030011600 4550006250 4030006900 4030009660 6510019860 5030001860 5010000160 5010000160 5010000150 5010000120 5010000120 5010000120 5010000120 5010000120 5010000120 7700002310 7030003860 0910052883 8930052880 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TAN
61. TALUM S TANTALUM S TANTALUM S TANTALUM S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC C1608 JB 1C 473K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 153K T A C1608 JB 1H 472K T A ECST1AX156R C1608 JB 1H 102K T A TEMSVA 1A 106M 8L C1608 JB 1H 472K T A C1608 JB 1H 102K T A C2012 JB 1A 105M T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 471K T A TEMSVA 1A 106M 8L ECST1CY105R TEMSVA 1A 106M 8L C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A TESVA 1V 104M1 8L TEMSVA 1A 335M 8L TESVA 1V 104M1 8L TESVA 1V 104M1 8L TESVA 1V 104M1 8L TESVA 1V 104M1 8L C1608 JB 1H 102K T A TESVA 1V 104M1 8L C1608 JB 1H 472K T A C1608 JB 1H 102K T A TEMSVB2 1A 226M 8L C1608 JB 1E 103K T A C1608 JB 1C 104KT N A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only A23 only C1608 JB 1H 102K T A TEMSVA 1A 106M 8L A23 only C1608 JB 1C 104KT
62. amplifier crystal 30 05 MHz k Noise dete m E dt ZO X1 450 24 IC1 TA31136FN f Mi 450 kHz ALC amplifier V Q5 28C4211 VCO circuit Lo switching diod Brie I a D6 D17 MA77 ES ud Ves Reference IC3 TB31207FN n secillator is X2 CR 683 v eis gt L 29 600 MHz Wi LOGIC UNIT EEPROM Clock oscillator IC7 HN58X2432 X1 CR 534 5 039 MHz RESET CPU IC2 S 80945ALMP IC1 M38267M6L PTT detector VOR circuit Q10 2581462 IC A23 only Microphone amplifier IC9 BA3308F Microphone mute Q12 UN9211 ra 1 4 EEG a TU LEE r AE Oo SECTION 3 DISASSEMBLY INSTRUCTIONS 1 REMOVING THE CHASSIS PANEL 3 REMOVING THE SHIELD PLATE D Remove 1 knob 6 and unscrew 1 nut D Unsolder 3 points to separate the shield plate 2 Unscrew 2 screws 2 x 10 mm black and RF unit 3 Remove the chassis panel in the direction of the arrow 2 Unscrew 1 screw G 2 x 4 mm silver Shield plate B Chassis panel k lt W gt lt LE 2 REMOVING THE LOGIC UNIT 4 REMOVING THE RF UNIT 1 Remove the sealing rubber D Unsolder 1 point to separate the ANT plug 2 Unsolder 1 point to separate a SENSOR control 2 Unscrew 5 screws D 2 x 4 mm silver to separate 3 Unscrew 4 screws 2 x 4 mm silver the RF unit 4 Unplug J1 to separate
63. at the VORC comparator IC14 The square wave signal is then applied to the CPU IC1 pin 22 as variable signal VORC The 9960 Hz component passes through the 10 kHz band pass filter IC12 R79 R81 C108 C109 These compo nents are FM modulated with 480 Hz deviation and 30 Hz modulation Signals are then amplified at a limiter amplifier IC11 and detected at an FM detector IC11 to obtain a 30 Hz refer ence signal The 30 Hz signal is compensated on phase at IC12 This signal is passed through the 30 Hz bandpass filter IC12 and is converted to a square wave signal at the VORS com parator IC14 This signal is applied to the CPU IC1 pin 11 as a reference signal VORS A portion of output from the buffer amplifier IC12 is applied to the amplifier Q13 When VOR level is low or receiving the signal except VOR signal output from Q13 is reduced Q13 cannot be turned ON then IC1 pin 2 receives HIGH to indicate OFF FLAG indicator VOR signal from VOR controller Q15 pin 3 VORDET signal from the AM detector Q18 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT LOGIC AND RF UNITS The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis characteristics from the micro phone to a level needed for the modulation circuit AF signal from the internal external microphone are applied to the microhone amplifier LOGIC unit IC9 pin 9 via the modulatio
64. ata of a programmable divider The PLL circuit contains the VCO circuit Q31 Q32 D27 The oscillated signal is amplified at the buffer amplifiers RF unit Q30 Q29 and then applied to the PLL IC IC1 pin 2 The PLL IC contains a prescaler programmable counter programmable divider and phase detector etc The entered signal is divided at the prescaler and programmable counter section by the N data ratio from the CPU The divided signal is detected on phase at the phase detector using the refer ence frequency If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the oscillated frequency A portion of the VCO signal is amplified at the buffer ampli fier Q27 Q28 and is then applied to the receive 1st mixer Q12 or transmit buffer amplifier circuit Q6 via the T R switching diode D6 D17 e PLL CIRCUIT Loop R134 R135 filter C168 C169 2ndLO signal to the IF IC IC1 pin 2 From ICA 14 el lt 10177 10198 1R158 44 1 ml UNLK signal to the CPU LOGIC unit IC1 pin 48 EE T OSC Tr x Ej 11 4 4 POWER SUPPLY CIRCUITS VOLTAGE LINE LINE DESCRIPTION HV The voltage from the external power supply The same voltage as the HV line or battery volt age through the power switch RF unit Q24 Common 5 V converted from the VCC line by the 5 V regulato
65. c 1 40 O O MASS JACKDET JACKDET R37 st SBAT 03 SBAT SBAT O NTCCM16084LH TE lt aa o E RFSTB RFSTB O TXC gt e w Di O BR D SDATA VOLDATA VOLDATA OS 2 7 7 7 M 35 O lt ne UNLK UNLK O O lg O D18 MA8051 H PSTB PSTB O10 C PDATA PDATA 30 O UNIT rd DASTB paste V J3 EXTMIC EXTMIC To C iv GC O C65 09 O O HV HV HV l lou VREC O 25 O H To O BEEP BEEP 1 N RFBET RFDET O ORO L lo O mm RSSI DL l O O VORDET N N DTC144EE DTB123EK R46 ID P TBPS1R104K475H5Q R48 0 0047 100k AAA C137 gt gt 0136 2 C87 1 10 0 0047 3E R45 33k R113 120k __ L n N 5 0V Q12 UN9211 IC A23 only C92 R47 D15 0 001 M MA8036L C127 0 47 09 15 IC9 BA3308F LIGHTC C45 J 9 001 I C125 R69 I 10 18k I EL C117 i R71 0 1 0128 1 IC13 NJM2904V 180k 18k N A CE 7 o SN HTA fe 4 H C118 IC A23 only 0 0047 R72 4 7k IC12 NJM2902V EN AVAN Tc C120 n9 C14 NJM
66. ch Outputs the bias control signal for a type of battery a ea P N the cloning signal CLIN Input port for the cloning signal port for the cloning signal Input Pa for the VOR 30 Hz standard FE POWER Input port for POWER swtich EURE port for the PTT swtich High While PTT switch is pushed Kull port for the external SP jack con nection detection 25 JACKDET High While the external SP jack is connected Input port for the external DC connec tion detection RESET Input port for the CPU reset signal Input port for the data signals from the EEPROM LOGIC unit IC7 FOAIA e Outputs data signals to the EEP ROM IC Input port for the PLL unlock signal UNLK Low PLL is unlocked PCON control signal for the 5V regu ator Outputs clock signal to the EEPROM IC LOGIC unit IC7 4 5 2 SHIFT RESISTOR RF UNIT 1 5 Outputs detector mute signal to the AM FM select switch IC2 pin 2 mo Ou receiver 5V control signal to 9 RX controller Q20 Outputs AM FM WX ch select signal WXC to the RX shift circuit 034 D25 and AM FM select switch IC2 pin 5 ANLC Outputs control sigal to the ANL switch Q21 Outputs control signal to the external 13 EMBI microphone controller 025 Q26 D23 D27 Outputs control signal to the AF out 14 AFC cotnroller 035 036 for the AF power amplifier IC6 4 5 3 SHIFT RESISTOR LOGI
67. ck Receiving Same adjustment as step 1 for following channels 4 ch BF2ADJ 128 200 MHz 5 BF3ADJ 136 800 MHz 6 ch BFAADJ 161 650 MHz NOTE Tune the SSG s frequency to adjustment frequencies e Operating channel 7 ch ASADJS 118 000 MHz Connect a standard signal generator to the antenna connector and set as Frequency 118 200 MHz Level 0 5 uV 113 dBm Modulation OFF Receiving Same adjustment as step 1 for following channels e 8 ch ASADJT 136 975 MHz 9 ch FSADJS 161 650 MHz e 10 ch FSADJT 161 650 MHz NOTE Tune the SSG s frequency to adjustment frequencies Operating channel 11 ch VORADJ 113 000 MHz Connect a standard signal generator to the antenna connector and set as Frequency 113 000 MHz Level 0 22 mV 60 dBm Modulation 9960 Hz 30 96 30 Hz 30 96 Bearing FROM 90 Operating channel 12 ch OFFADJ 113 000 MHz Connect a standard signal generator to the antenna connector and set as Frequency 113 000 MHz Level 7 1 90 dBm Modulation 9960 Hz 10 96 30 Hz 30 95 Bearing FROM 90 This output level of the standard signal generator SSG is indicated as SSG s open circuit ADJUSTMENT UNIT ADJUST Top DIAL panel Top DIAL panel Top DIAL panel Top DIAL panel SECTION 6 PARTS LIST LOGIC UNIT ORDER E Re meu 1140009230 1110004750 1180000800 1130009680 1130007510 1110003670 1
68. e U S A and other countries Microsoft and Windows are registered trademarks of Microsoft Corporation in the U S A and other countries Screen shots produced with permission from Microsoft Corporation All other products or brands are registered trademarks or trademarks of their respective holders Click View Common Setting on the menu bar M Untitled CS A23 File Edit View COM Port Clone Help v Toolbar Bank2 Bank3 Bank4 Bank5 Bank6 Bank7 e CS A23 SCREEN DISPLAY EXAMPLE When entering adjustment mode check the Adjust Mode Enable check box ww E ADJUSTMENT FREQUENCY LIST CHANNEL FREQUENCY MHz 136 975 136 975 136 975 118 000 136 975 113 000 113 000 Frequency Tx Frequency VFO Mode Enable VFO TX Enable Memory Write Enable Duplex Enable Channel Spacing 25kHz 7 a IS Clone Comment Bank8 Bank9 WX WX version only DODDDDODDDD Setting Adjust Mode Enable Display Mode N By N e CONNECTION to the antenna connector Standard signal generator 0 1 V to 32 mV 7127 dBm to 17 dBm to the MIC SP jack Audio generator CAUTION DO NOT transmit while SSG is connected to the antenna connector Attenuator Modulation 40 dB or 50 dB analyzer HF power meter 0 1 10 W 50 Frequency counter Personal computer
69. er Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640x480 pixel display 800x600 pixel display recommend ed H CLONING SOFTWARE INSTALLATION D Boot up Windows Quit all applications when Windows is running 2 Insert the cloning software CD ROM into the appropriate CD ROM drive 3 Select Run from the Start menu 4 Type the setup program name using the full path name then push the Enter key For example D setup 5 Follow the prompts 6 Program group CS A23 appears in the Programs fold er of the Start menu H ADJUSTMENT FREQUENCY DATA When program the adjustment frequency data into memory channel back up the original memory data using the cloning software and OPC 478 and then reprogram it after adjust ment CAUTION When program the adjustment frequency data into the transceiver the transceiver s memory channel will be overwritten the data and deleted original memory data at the same time ENTERING ADJUSTMENT MODE D Turn transceiver s power off Connect IC A5 A23 and PC with the optional OPC 478 2 Push and hold A and V then turn the transceiver s power ON Displayed CLONE on the LCD 3 Boot up Windows click the program group CS A23 in the Programs folder of the Start menu then CS A23 window appeares Audio generator Frequency range O
70. gt Kon ia an i QU 5 mo RO to RF unit J3 9 2 RF UNIT
71. lel 9 SIS cua he L 012 UN9211 an 9 IC A23 only 47k o ja c13001 N e N I HASSIS 2151 oa HR LL L l ATO MUT 7 rr oor rr Ke P n R42 12 N i i I R107 310 LI LLLLLLL C N LIGHTC 13 n v m ih scis oski 1 M 17 TO 239 AIN Lee N ipa R108 e RECC w PLAYC j N ne l TTI T PLAY j c C48 470 R31 2 x 0 01 2190 W 33k PTT MASTB RI MA8051 H 0 001 I I R10 S2 S3 S4 S5 100k a v Ubi i tp v Qi nu Df ju dn UP DWN SQL POWER I n TY I 4 R61 D14 R62 47k roe coe Or ha x s 2 e eorn j s d 3 i R63 MA2S111 C102 E I I I E am E E 11 J 0 001 J 0 001 J 0 001 0 007 J 0 001 I R83 E a ES ES NE gp Q1 LOGIC UNIT 281132 a gt I 18k I d I R87 m mim m s n m m sms R14 TBPS1 IC A23 only IC A5 only R11 R12 R13 3 3k D1 KS1 390 390 390 Rm MA2S111 Y Ci R79 C108 05 0 001 D2 DAP202U 056 057 65121 I LN1371G LN1371G LN1371G R80 E I tc V D Poo rn FW 3 i 8 m I po n 5 DS8 pss _ LDS10 A R81 C109 R82 oe R561 i 4 i LN1371G LN1371G LN1371G n BE 1 8k 0 001 47k 1C A23 only Hsi COMPLETE VIEW P 173 R75 56k R76 33k 2105 0 only c TBPS1R104K475H5Q C91 R48 1 40 OE OE O O D11 JACKDET JACKDET
72. n RF power 1 5 W Top DIAL POWER 136 975 MHz panel meter to the antenna panel Transmitting connector Operating channel 2 ch PWRADJ Top Connect a modulation 85 96 RF R554 MODULATION 136 975 MHz panel analyzer to the anten PWRADJ Connect an audio generator to the na connector via an MIC connector and set as attenuator 1 kHz 200 mV e Set a modulation analyzer as HPF OFF LPF OFF De emphasis OFF Detector P P 2 Transmitting e Connect an audio generator to MIC 30 LOGIC R41 connector and set as 1 kHz 20 mV Transmitting LOGIC UNIT TOP VIEW RF UNIT TOP VIEW A L ep O er l n E x amp R554 A oe R16 AM modulation C Idling current adjustment CD adjustment R41 AM modulation adjustment L40 PLL lock voltage adjustment CP1 PLL lock voltage check point 5 3 RECEIVER ADJUSTMENT The follow adjustment must be performed at the ADJUSTMENT mode and turn DIAL to start each adjustment and finish automatically ADJUSTMENT RECEIVER SENSITIVITY VOR PHASE IC A23 only VOR OFF IC A23 only ADJUSTMENT CONDITIONS e Operating channel ch BF1ADJ 108 200 MHz Connect a standard signal generator to the antenna connector and set as Frequency 108 200 MHz Level 1 0 uV 107 dBm Modulation OFF Connect a external speaker 8 AC millivoltmeter and distortion meter to the MIC SP ja
73. n depth adjustment pot LOGIC unit R41 The amplified signals are applied to the AF amplifier RF unit IC510 pin 6 and low pass filter RF unit IC510 pin 3 after being passed through the voice rec play IC LOGIC unit IC15 The filtered signals are applied to the modulation cir cuit 4 2 2 MODULATION CIRCUIT RF UNIT The modulation circuit modulates the TX LO signal from the VCO RF signal using the microphone audio signal While in transmission the LO signal from the VCO circuit 031 Q32 D24 is amplified at the buffer amplifiers Q27 Q28 and passed through the LO switch D17 This signal is then applied to the AM modulator D5 The buffer amplifier q6 amplifies the LO signal with a gain controlled by an AF signal to make low level modulation 4 2 3 DRIVE POWER AMPLIFIER CIRCUITS RF UNIT The drive amplifier circuit amplifies the transmit signal to a level needed for the power amplifier circuit The power amplifier circuit amplifies this to obtain a specified transmit output power The modulated RF signal from the buffer amplifier Q6 is applied to the pre drive amplifier Q4 after being passed through the ALC attenuator D4 The signal is amplified at the YGR Q3 and power amplifier Q2 to obtain 5 W of RF power at 9 6 V DC The amplified signal passes through the low pass filter L5 C11 C16 The filtered signal is applied to the antenna connector CHASSIS unit J1 via the antenna swtich D1 a
74. nd low pass filter L1 L3 C3 C7 4 2 4 ALC CIRCUIT RF UNIT The ALC Automatic Level Control circuit protects the drive and power amplifiers from mismatched output loads and selects HIGH or LOW output power The power detector circuit D2 D3 detects forward and reflection signals respectively The combined voltage is at a minimum level when the antenna is matched at 50 and is increased when it is mismatched The detected voltage is amplified at the ALC amplifier Q5 after being passed through the ALC controller Q1 The amplified signal is applied to the ALC attenuator D4 to obtain stabilized output power When the antenna impedance is mismatched the detected voltage exceeds the reference voltage Thus the bias volt age of the pre driver is decreased e ALC CIRCUIT VCC VCC O ao I I YGR Power D4 Pre drive amplifier amplifier ATT TX signal from the __ TU K D buffer amplifier Q6 C38 Q4 Q3 Q2 R25 OT 5 From the D A converter PWR the antenna 1 4 pin 6 R11 DET U R26 D2 D C38 ALC S SS amplifier gt Ll RFDET signal to the CPU LOGIC unit IC1 4 Q5 777 C37 R24 4 3 PLL CIRCUIT RF UNIT A PLL circuit provides stable oscillation of the transmit fre guency and receive 1st LO freguency The PLL output com pares the phase of the divided VCO freguency to the refer ence freguency The PLL output freguency is controlled by the divided ratio N d
75. r circuit LOGIC unit IC16 or IC3 D9 The output voltage is applied to the CPU LOGIC unit IC1 reset circuit LOGIC unit IC2 and etc 5 V for transmitter circuits regulated by the TX control circuit RF unit Q7 Q8 D7 The output T 5 voltage is applied to the LO switch RF unit D6 buffer amplifier RF unit Q6 pre driver RF unit Q4 and etc 5 V for receiver circuits regulated by the RX con trol circuit RF unit Q20 The output voltage is applied to the LO switch RF unit D17 AM detector RF unit Q18 IF amplifiers RF unit Q17 Q16 Q15 IF IC RF unit IC1 pin 4 and etc D6 j mE to transmitter circuit Buffer Buffer Buffer to 1st mixer circuit Buffer IC3 PLL e 4 5 PORT ALLOCATIONS 4 5 1 CPU LOGIC UNIT IC1 number rome vo _ _ name VIN Input port for the battely voltage detection VORD port for the VOR signal detec 3 RSSI Input port for the receive signal level Input port for the power detection of ES PEDE power amplifier RF unit Q2 Input port for the transceiver s internal SBATT Input port for the battely type detec tion PDATA Outputs data signals to the PLL IC RF unit IC3 PCK Outputs clock signal to the PLL IC PSTB Outputs strobe signals to the PLL IC BEEP Outputs beep audio signals VORS Input port for the 30 Hz phase signal DICK DIUD Input port for DIAL LIGHT Input port for LIGHT swit
76. u 4030006860 4030006860 4030006860 4030006860 4030006860 4550002980 4510004440 4030006860 4030011600 4030007050 4030007080 4030007040 4030006860 4030006980 4030007150 4030006860 4030006860 4550003250 4030006860 4030006940 4030006860 4030006860 4030006860 4030009500 4030007120 4030006960 4030006930 4030009500 4030007070 4030006960 4030010780 4030007090 4030007120 4030006860 4030011280 4030006860 4030006860 4030006860 4030007010 4030007090 4030006900 4030006900 4030006900 4030007110 4030006860 4030006860 4030006900 4030006900 4030011600 4030006900 4030006860 4550006250 4030006900 4030006860 4550003250 4030011600 4030006900 4030006900 4030011600 4030006900 4030006850 4030011600 4030006900 4030011600 4550006250 4030006900 4550006130 4030011810 4030011600 4030007130 4030006860 4030006860 4510005600 4030006860 4030006860 4030006860 4030006860 4030006900 4030006860 4030006860 4030006900 4510006220 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TEMSVA 1C 225M 8L S ELECTROLYTIC ECEV1HA010SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S
77. utput level Standard signal generator SSG 300 3000 Hz 1 500 mV Power attenuation 40 or 50 dB Capacity 10 W or more 100 500 MHz 0 1 HV 32 mV 127 to 17 dBm Attenuator Frequency range Output level Measurement capability 1 A and 30A Distortion meter Frequency range Measuring range Digital multimeter Input impedance 10 MQ V DC or better AC millivoltmeter Measuring range 1 kHz 5 96 1 100 10 mV 10 V 4 Click the View on the menu bar and click the Setting then Setting window is appeares Click the Advanced tag on the Setting window then check the AdjustMode Enable check box see the illus tration at page 5 2 5 Cloning the adjustment frequency data at page 5 2 to the transceiver 6 Turn power OFF Disconnect OPC 478 from the trans ceiver 7 Push and hold MR CLR and SQL then turn power ON H OPERATING ON THE ADJUSTMENT MODE Change the channel UP ENT Change the channel DOWN MR H EXITING THE ADJUSTMENT MODE When the adjustment is finished the transceiver must be cancelled adjustment mode to use nomal operation other wise the transceiver does not work properly D Turn transceiver s power OFF 2 Uncheck the AdjustMode Enable check box on cloning software and then cloning the original memory data 3 Turn power OFF IBM is a registered trademark of International Bussiness Machines Corporation in th

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