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IC-A110 Service Manual

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5. GND 7 GND TO FRONT UNIT J1 39 98 vovg e BOTTOM VIEW 617 Wana
6. lt t VE q nooo D An SEE LO g 21 cj 000 TUTI S S SS yu c 028 S m P ic S B Isp ER cl 5 d sm mg SI So dE 22 E 5 9 WOH uuu cons i Et ETC isa 2 AS 6 1 880 LO or o HEE BB Ey EN au mj 58 5 x 38 i Ej 1 gt LO co kdi 7008 F lt 9 em il R am 18 QUES a 42 s rA Yer 9 a amp ZSI gt lt N an K 3 qm NO D Tg EH i TF O BIZ TH H eau z es o e SI MOV18 LEM 1 End TS SIA Le Do 9 M a EJ
7. SECTION9 BLOCK DIAGRAM 1st MIX ANT 2nd IF 450KHz 1st IF 38 85MHz Q7 Q6 04 05 FI3 D44 MA8051 050 1SV271 D30 29 Q2 D7 D8 Q1 D6 D37 D38 D1 D3 2SC4211 2SC4215 2SC4215 X2 CEWM450D IC40 TA31136FN Q3 2SC4215 1SV307 FL 306 1SV307 3SK184 HVU350 X2 3SK184 HVU350 X2 1SV271 UM9401F X3 AM lt lt O O CERAMIC Lq uin O aur lt lt lt s lt lt RF lt lt RF lt lt ANT vd lt a x A x A N ZX Q69 TX amp RX 118 0 136 975MHz IC18 4 17 TC4W53FU CFG450H TC4W53FU Q77 2501819 USA 1 only D53 D54 MA2S111 973 2SC4081 1st Lo 79 15MHz 98 125MHz 2nd Lo 38 4MHz Q42 Q20 2564403 2SK3074 IC11 NJM2107F IC31 TA75S01F Q83 084 2SC4215 X2 TRIPLER AMP EXT MIC TX 118 0 136 975MHz d LEVEL ADJ 655 MOD ADJ IC50 R336 IC4 BA3308F A 5V IC16 5 ICS IC51 IC19 TC4W53FU R121 Q98 Q11 TA75S01F TC4W53FU R110 TA75S01F TA75S01F NJM2902V 2SA1586 2SC4081 x MIC Pl MOD AF sw D MIC SW HPF LPF Q15 Q14 6 gt AN 2SC4228 2SC4403 D4 D5 an MIG RB706F X2 LEVEL ADJ Q33 ACC XP4315 y R150 D27 MA111 CONT POWER AD
8. B m 7212 fii mg qj O lt t C 7522 ES og tcx SE DE SIC z g lt gt G Bi A 092 84 r J MC 3 Shi in 2 z N SS ra 6825 ARS 895 AT n soh 68 E 610 R alae 4 m gt e Hi E E Ex FR A Sm Ife f PRE 2 d LI 5 611 G5 5 lt g tg m gt ma R in lhe m 00 812 QUE o E gt E GT 8H M c E gt al ze BE En gi Ez SINA Ug EC S Is 021 n n T S 3H SS mp Gere SISSE 00 B a 5 s 878 78 3 qum 1 one SSE 67269 BT n T 6 T Ege m img TO BRE P lt WE A EST YEH g 618 Mo cut BP c ES S O ne S LE ER AMS D BE aT amp n rte M ag B 97 B O O D D En 3 TA 1 8 ZEN cT CA u 5 n oy S m Fil 2 5 y R R E Y RSD BE Li 3 LEST STP a 3 anl N E d 4 723 5 cd rum ew 6x3 TEH Q T s 20 2 7A Z us i lE lt M I
9. aS EE a 2SA1586 TC4W53FU BNX 002 01 ae T 2 z TX 6 68 V MC33063AD R415 74 RX 0 V 18p TIMCAP Q14 R405 56k E 3 7 7 s N A 15 MC33063AD gt SR o Q97 DTC144EU D62 e E O 10k R418 6518 470k O SWC DRVC L53 SWE LPKSEN HK 08S070 1310 TIM CAP VCC GND COMPIN TX O V W35 D26 C208 R446 100p 8 2k 3 4 C397 0 47 R208 100 H SQL Open 4 9 V 10 45 V DE5SC6M a Mec SQL Close 0 V a Nx Mo ta Ox nov aS te 5 eo 88 1C43 e x Do 58 8 S E Sen 28 2SK2414 Z HIP4081AIB 3 4 C292 0 047 470 3 4 C231 0 SCK AFMUT VCC N 2SC4403 fr Sx BE Sx TX 5 42 V 2SC4081 S Tow RX 5 44 V or eoo lt 28 ER 59 C120 T E 49 S T IC50 E TA75S01F 047 a 099 27K 55 25 4116 7 2 7k 7 58 SES L65 33 x R150 10k W32 ae OS cr 0 0 HE TX 1 08 V 8 72 V 2 wfo 25 amp Q44 RX 0 V a 3 73 V eae 52 Q90 280422 504226 2 2SA1471R L33 064 C195 C538 C539 8a Los 298 J E 8 uPC311G2 gu J 0 82uH HVU350 20 120p 10p 5 2 T S 78 939 15 2 LA L40 C188 C391 5 19 gt BS 3 Moise 0 5 33p ee lt gt 2 3
10. MP2 T SQL 551 257 lt gt 21 RAU gt HANG GND MIC ui N o e Jn E AFO CLON 8V AN PA ic C J e BOTTOM VIEW FROM MAIN UNIT J5 8 2 MAIN UNIT The combination of this page and the next page show e TOP VIEW the unit layout in the same configuration as the actual 4 N P C Board W4 W2 N W3 818 Es F219 A a S 2 B EE lt 71 L6 S zt 5 L68 WAN se L 50 2 Cus L36 LS va CI E M wise 05 Cy3
11. 48 ES58CN Q23 zZ 5 4 100025 C 2SB1132 TEE CRE Y 2564226 50V Q89 IC29 Q22 R442 2 Sa S 81350HG KD R127 2SC4211 ae XP1501 EX 10k i 220 i 2 3 Q59 TX 0V G 25 4226 BAS gt L42 065 545 547 546 I S lt E lt t Z to N 0 82uH HVU350 12 24p 9p TX 3 64 V cr oo co gt L41 _ 59 2 5 2 152 s x g Y 9 x PSWC oo IRE QBS N C70 Se xu 0 001 FIN2 7 C68 BS2 0 001 5 BS1 m 912 P i i IS Q87 STB EE 2504403 YY Q53 L 2SK2414 Z 4 IC41 DTB123EK DATARS 14 D66 Q101 CLK EG 5 SB07 03C DTC144EU En 3 3 FIN1 VCC COMPLETE VIEW 10 2 MAIN UNIT CHASSIS MOD V Ws J1 MOD V W36 O C333 FL R448 D29 RCE oo 0 ANT D30 FL 306 A Note 1SV307 0 01 12k 680 1SV307 C31 C28 R377 TX O V O HK 08S070 085070 085070 180 R8 22 Y RX 5 6 V TX 0 39 V TX 0 V 1310 1310 ZBFS5101 PT O USA 1 only C255 RX208V RXTZV L4 L
12. ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 472 V 4 7 kQ MCR10EZHJ 39 390 ERJ3GEYJ 822 V 8 2 MCR10EZHJ 15 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 472 V 4 7 kQ USA 1 only ERJ3GEYJ 472 V 4 7 kQ USA 1 only ERJ3GEYJ 472 4 7 ERJ3GEYJ 472 4 7 ERJ3GEYJ 223 22 ERJ3GEYJ 223 V 22 S Surface mount MAIN UNIT ORDER ORDER TE SE RE amma 7030003600 7030003600 7030003600 7030003600 7030003600 7030003600 7030003600 7030003320 7030003520 7030003490 7030003560 7030003760 7030003560 7030003750 7030003440 7030003720 7030003350 7030003760 7030003600 7030003640 7030004040 7030003560 7030003370 7030003340 7030003650 7030003690 7510001000 7030003720 7030003690 7030003560 7030003770 7030004050 4610001530 7030003560 7030003410 7030003560 7030003480 7030003660 7030003800 7030003670 7030003320 7030003800 7030003450 7030003680 7030003810 7030003680 7030003680 7030003560 7030003590 7030003560 7030003560 7030003560 7030003320 7030003320 7030003680 7030003530 7030003770 7030003240 7030003560 7030003680 7030006060 7030003580 7030003560 7030003700 7030003700 7030003520 7030003490 7030003410 7030003400 7310003660 7030003580 7030003580 7030003650 7030003640 7030003640 7030003480 7030003440 7030003440 7030003480 70300034
13. ca D 0 01 NX 9 10k 0 01 Su SP 47 TX 0 V D a7 TX O V TX 7 94 V W PANT C 2904211 RX 0 52 V RX 0 V VCS Q4 RX 0 9 100 EN 235 Y 5 25 p 100 EN mov vec 2 y v ns 23 9 225 Q77 1 j gg 8 0 1 10k R484 T o rw R328 R333 2SD1819A IC48 ae T SO TX O V 3 9k 10k _ gt TC4W53FU 002 VCC RX 2 14 V TX 5 31 V L87 C78 pe SB a 25 1586 95 5 sS CSS 55 RX 0 V 56nH 20 18 Tes TX 6 68 V Y 1 17 EV CAN lt Sa Oo Oo TE 0 0 R415 C74 RX 0 V PCY a C55 Oo R331 R182 N Eus i 1k 18p BE 5 Av M 19 HISW 0 01 220k 470k 1M ot 282282 32 eae m to FRONT C 22 T T F S 1 2504228 E TIMCAP aa i 15 gf ONI lt R330 SS ke Le nr Wi M d x MUN 2 a TBPS1R154K475H5Q 2SD1819A Or S NTCCM16084LH T Gua TX 5 02 V RE 5 2SC4403 Su 2 8 a WI nr 2SC4226 RX 5 11 V TX 5 42 V ai c lt W29 5 5V TX 2 07 V RX 5 44 V SO x ia gx Da IC19b 5 s TA75S01F G542 C543 25 TA75S01F IC19c R237 238 M2902V NG NT TX 7 1 V 25 Re oo 58 C120 ET ands 0 1 0 1 EN 5 ps Dos NJM2902V 22k 22k i us LING 1 1619a 1 i RX 7 13 V 54 EN T 3 T e Est 0 47 d 3 4 1 4 22 10 7 Oc ED ee 016 2804116 75501 5 D gt fs A 5 C541 lt t
14. R114 2 to o x NTCCM16084LH T x 8 58 Dio No C88 gt CWoO O 98 w Oo i a Tos a 5lo CV 3 4 O z o PSWC R188 47k Lon ig _ 55 E 5 5 TA7580 CS 38 205 22 e TB3 2SC4215 0 001 1 V T TX 8 lt 0 001 So Q87 TRC Q12 P L 25 2414 2 cu 25 4403 4 Q53 DTB123EK 8 066 Q101 2 R SMUT TA8208H SB07 03C DTC144EU Or MICE E ER 2 97 C404 R44 TX 8 28 V Os SO 047 10k Ex z IC15 2 lt SQL Open 8 3 V C206 kasa AE C209 R209 C530 Q97 x MC33063AD SQL Close 0 3 V IC30 470 0 47 47k 0 0056 DTC144EU R273 TC4S66F 4 IC13 z SWC DRVC 7 O i TC9260F gt Q70 Q71 ue SWE LPKSEN JG 1C37 _ DTB123EK DTC144EE lt HK 08S070 1310 TIM CAP VCC F TDA7233D 8s STB cs i E m2 ZS 2325 5525252 V GND COMPIN gt AGND AGND OF TOS Tos Tos Fre I TX 0V 4VS OUTPUT qe s SQL Open 4 9 V 10 45 V ba GND SVR SQL Close 0 V x J N x MUTE INPU aes VCC GND INPUT XP4315 a Ox lt 29 mae 55 Q88 IC43 559 Sse 88 I Tee OF T 2SK2414 Z HIP4081AIB L DER S mei ZBFS5101 PT IC6 i a da Gss 8 5 Q lt 9 x S dai lt TX 4 98 V 8 2 DTC144EU Q80 SQL Open 5 V 3 E DTA144EU SQL Close 0 V VCC RIGHT SIDE LEFT SIDE bui Icom Inc 6 9 16 Kamihigashi
15. BN E 7 GA Cu ELL MP8 Ir JS 1 Lel 5 FOZ E LB C21 542 TI E my a Lil L49 L9 E UY SRL JD 5 12 Fi m 28 CS C397 f C168 CPI rar C267 1 E Cele Los ir RF I MP1 s gt 50 cl 552 T DO m 555 RD 4g Y 47 B Re 124 E 4 68 D 10 1 D de R3 O R48d 5 a Cl 107 i 5 122 438 RIBI e 15 Z gt E FT m E L S cea C 4 E 4 a e m 9 n 5 IS emm te Sage BE 9 sps EE C am CN Lo ws RES T RAT m J R47 Nie gt lt R188 LO 6 C452 ca m WA lt D iii 3 1 10 10 1 et nr UO lt ria Sd 2 15 ETZ w I iy ah LOS i Lr rl ea 5 d 9 E 5 CX BE 11 20 E Ce cu E L Rue 1 um 55 B a RES DE 2 5 x A m Dean A J Bi 64 2 40
16. Connect a digital 0 5 V MAIN multi meter to the check point CP2 Connect a digital 0 7 V MAIN R59 multi meter to the check point CP1 Loosely couple the 136 9500 MHz MAIN frequency counter to the antenna con nector ADJUSTMENT POINT Connect an RF 9 0 W MAIN R150 power meter to the antenna connector Connect a modula 90 MAIN R121 tion analyzer to the antenna connector through an attenua tor B 0 Connect a modula 30 96 MAIN R336 tion analyzer to the antenna connector through an attenua tor OGND 5 L pin 2 O MICE Ando generator pin MIC CP2 lt PLL lock voltage check point R392 Vdd voltage adjustment R121 R110 Modulation depth adjustment J6 pin 3 Audio input point R336 Head set modulation adjustment Q51 Vdd voltage check point R59 TUNE voltage adjustment CP1 TUNE voltage check point R150 Output power adjustment L40 PLL lock voltage adjustment for TX L41 PLL lock voltage adjustment for RX X1 Reference frequency adjustment 4 4 RECEIVER ADJUSTMENT SQUELCH ADJUSTMENT must be performed at SQUELCH ADJUSTMENT MODE MEASUREMENT A HI ADJUSTMENT ADJUSTMENT CONDITION VALUE e Operating frequency Connect an AC milli Maximum AF output MAIN 19 L10 118 000 MHz voltmeter and
17. C457 C462 C463 The fil tered AF signals are applied to the internal speaker via the EXT SP jack J7 While in connecting the head set the AF signals ampli fied at the AF power amplifier C37 pin 8 and then applied to the ACC connector J6 pin 6 via the impedance conver tor T1 AGC circuit 1st mixer D38 Q1 Q2 Q3 From the ant XTAL R gt 00 Q73 0 3 1 7 SQUELCH CIRCUIT MAIN AND FRONT UNITS The squelch circuit cuts out AF signals when receiving no modulated signal When no voice modulation is included in the signal the squelch circuit cuts out the AF signal by com paring voice audio and noise audio components in the AF detected signals The 2nd IF signal from the IF IC MAIN unit IC40 pin 3 passes through the 450 kHz ceramic filter Wide mode Narrow mode F14 to remove out of band signals and then applied to the IF amplifier A portion of the amplified 2nd IF signal from the IF amplifier MAIN unit Q4 is applied to the IF amplifier section on the IF IC MAIN unit 40 5 The amplified signal passes through the RSSI section and are then applied to the squelch amplifier MAIN unit 1C11 pin 1 as RSSI signal The amplified RSSI signal at IC 11 is output from pin 4 as signal and is then applied to the CPU FRONT unit IC1 pin 74 The CPU analyzes the noise condition and out puts the AFMUT signal via the output expander IC FRONT unit
18. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER 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 kQ ERJ3GEYJ 124 V 120 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 564 V 560 ERJ3GEYJ 180 V 1 EVM 1XSX50 B13 102 ERJ3GEYJ 103 V 10 ERJ3GEYJ 561 V 560 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 683 V 68 kQ ERJ3GEYJ 105 V 1 ERJ3GEYJ 823 82 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 105 V 1 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 104 100 ERJ3GEYJ 125 V 1 2 MO ERJ3GEYJ 104 100 kQ ERJ3GEYJ 104 100 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 183 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 104 100 ERJ3GEYJ 562 V 5 6 ERJ3GEYJ 564 V 560 ERJ3GEYJ 220 V 22 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 100 ERJ12YJ100U 10 Q ERJ3GEYJ 153 V 15 ERJ3GEYJ 103 V 10 ERJ3GEYJ 154 V 150 ERJ3GEYJ 154 V 150 18 kQ 10 kQ 10 KQ ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 272 V 2 7 kQ ERJ3GEYJ 561 V 560 Q ERJ3GEYJ 471 V 470 Q EVM 1XSX50 B55 504 ERJ3GEYJ 153 15 ERJ3GEYJ 153 V 15 ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 473 V 47 ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 102 V 1 ER
19. TRANSISTOR 2SC4211 6 TL S TRANSISTOR XP4315 TX S TRANSISTOR DTA143ZUA T106 S TRANSISTOR DTC114EUA T106 S TRANSISTOR DTC114EUA T106 1790001280 1750000130 S DIODE S DIODE MA111 TX DA204U T107 6060000600 S CERAMIC PBRC 3 68 AR 6200003960 6200003540 7030003800 7030003680 7030003680 7030003580 7030003580 7030003580 7030003580 7030003560 7030003680 7030003680 7030003370 7030003350 7030003350 7030003640 7030003590 7030003540 7030003620 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003440 7030003680 7030003560 7030003560 7030003560 7030003560 7030003500 7030003600 7030003680 7030003680 7030003610 7030003610 7030003580 7030003580 7030003580 7030003610 7030003580 4030006860 4030006860 4030007090 4030007090 S COIL S COIL 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 RESISTOR S RESISTOR ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V
20. Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insu lated tuning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the trans ceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum ana lyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 8 SECTION SECTION 10 C CO 09 641 l l BR Fo N 10 10 2 TABLE OF CONTENTS ECHANICAL PARTS AND DISSASEMBL SEMI CONDUCTOR INFORMATION E BOARD LAYOUTS LAYOUTS BLOCK DIAGRAM LOL AGE DIAGRAM DIAGRA 0 1 an SECTION 1 SPECIFICATIONS GENERAL Frequency coverage Channel spacing Type of emission Number of memory channels Antenna connector Power supply requirement Current drain at 13 75 V DC Frequency stability Usable temperature range Dimensions projections not included Weight with ant BP 209 TRANSMITTER RF output power at 13 75 V DC Modulation system Input impedance Modulation limitting Audio harmonic distortion Ham an
21. a X 1 69 V 2 o oY SOx R234 Lo _ on 85 85 R240 L TX 2 17 V Lo TX 1 525 0 1 ey SES lt 22k NG LS 55 NG 22k RX 2 05 V S Q58 XP1113 L39 p 20 2504116 RX 0 V ea RX 2 05 V 10uH R120 TX 2 28 V TX 2 18 V TX 2 17 V C263 ix 2 oe R150 10k w32 n 100k RX 2 3 V RX 2 05 V RX 2 05 V 0 068 cn 28 lt 50 A 5V OS 7 T o S ox ume L TX 1 03 V TX 3 72 V 2 N38 SEN ae W20 NJM2902V R T Q44 D y RX 0 V y RX 3 73 V 1 2SA1471R 22 MOD 2SC4226 IC44 x Q TC4W53FU m L33 C195 C538 C539 2 5 82 25 29 J E 8 10 44 V uFC311G2 E L S lt 22 0 82uH HVU350 20 120p 10p Joo TOS Toe Fra 928 15 R122 123 es z Se E da 25 a MUR 2 Q 9 Jo 2SK880 e a 9 C188 S I z amp gt 8 We S x Ja 28 C391 T lt B E 2 a 5 185 BS har SE 0 5p Sp ii 45 Q23 2 4 28 MEE L 8 2581132 Ow 8 I T gt GS 2SC4226 ae 922 R442 XP1501 i NG MOD Reece lt R256 B R460 25 9 S 81350HG KD R127 25 4211 10k TX 215V 89 88 27k 25 38 8 10k 1 3 RX 2 03 V S R364 Tee mr 4 E Oo f o G 1 2M TX 0 V 2SC4226 Le TX 4 96 V 2x x x RX O V TC4W53FU Ra 5 8 38 35 L42 065 0545 C547 C546 5 18 238 2 MS 0 820 HVU350 12 9 5 TX 3 64 V t 25 1622 E RX 3 65
22. 070D T A C1608 CH 1H 151J T A ELECTROLYTIC 50 YXG 470M S ELECTROLYTIC ECEVOJV330SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC C2012 JB 1C 104K T A C1608 JB 1H 122K T A C1608 JB 1H 122K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA100SR 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 1C 104KT N C1608 JB 1H 102K T A GRM42 2 R 105K 50PT GRM42 6 W5R 471K 500PT C1608 CH 1H 271J T A S ELECTROLYTIC ECEV1EA4R7SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 220J T A C1608 JB 1H 222K T A C2012 JF 1H 473Z T A C1608 JB 1H 102K T A C1608 JB 1C 473K T A C1608 JB 1H 562K T A ELECTROLYTIC 50 YK 220M S CERAMIC C1608 CH 1H ELECTROLYTIC 50 MV 330 HC S CERAMIC S CERAMIC C1608 JB 1C 104KT N C1608 JB 1H 102K T A S Surface mount MAIN UNIT ORDER LR NN 4030007140 4030007010 4030006860 4030011600 4030011600 4030011600 4030007150 4030007020 4030007000 4030009650 4030006860 4030016990 4030006860 4030007090 4030009530 4550006540 4030011250 4030009650 4030009650 4030004750 4030006860 4030017070 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 CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 121J T A C1608 CH 1H 1
23. 0910051545 6910013270 9040901901 9040901901 S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER MCR10EZHJ JPW 000 MCR18EZHJ JPW 000 MCR50JZHJ JPW 000 ERJ3GE JPW V ERJ3GE JPW V AX2270 J LEAD SET 2 MA 5318E 2643 625002 IRRAX 0 7 d L 12 mm IRRAX 0 7 d L 12 mm S Surface mount 5 7 SECTION 6 MECHANICAL PARTS AND DISSASEMBLY CHASSIS PARTS ACCESSORIES ORDER NO DESCRIPTION E ORDER DESCRIPTION Ld FRONT UNIT MAIN UNIT ORDER DESCRIPTION 6510004880 8010017870 8810008660 8810008490 8810008660 8810009130 8930050080 8820000870 8110007150 8930049650 8930036771 8930050130 8310027320 8930051440 8310048070 8930051830 8930051820 6450001470 5030001740 8930037960 2510000880 8210012610 8930036830 8930036820 8930037660 8210013310 8930049760 8610009840 8810009130 6450000140 8900009210 8510011660 8930013590 8510012940 8510012950 8510012920 8510012910 8930051860 8510012960 8950000180 8930052670 8930052660 Connector MR DS E 01 5210000070 2270 chassis Screw PH BT M3 x 8 NI ZU Setscrew H M2 6 x 8 NI Screw PH BT M3 x 8 NI ZU Screw PH BT M3 x 12 NI ZU 2270 IC clip 1705 cap screw 2270 cover Thermal sheet H 1705 main seal 1 2270 jack sheet Display seal U USA 1 only 2270 thermal sheet TC 200TKC Serial No seal BE A110 GEN 1 Serial No seal BE A110 FCC USA 1 2270 B sheet 2270 A sponge Opt
24. 12 8 MHz signal from TCXO X1 Tripler 83 Q84 SS 2nd LO signal 38 4 MHz iC E 4 Narrow 3 1 5 AM DETECTOR CIRCUIT MAIN UNIT The AM detector circuit converts the 2nd IF signal into AF signals The amplified 2nd IF signal from the 2nd IF amplifier Q6 is applied to the AM detector circuit Q7 It is then detected for conversioin to AF signals The AF signals are applied to the AF circuit 3 1 6 AF CIRCUIT MAIN UNIT The AF circuit amplifies the demodulated AF signals to drive a speaker The AF signals are passed through the low pass filter 1C31 pin 1 and then applied to the MOD AF select swtich 1C22 pin 7 The AF signals are amplified at the AF amplifier 42 3 and are then passed through the RMUTE swtich IC6 and electric volume switch 1C13 pins 14 15 to control AF level The level controlled signals are then applied to the mute switch IC30 pin 1 While in using the internal speaker or connecting outer speaker jack the AF signals are applied to the MOD AF swtich IC48 pin 7 via the AF mute swtich IC28 applied AF signals are compared at the PWM IC IC 44 with the reference signal from the triangular wave oscillator IC45 and are then converted to the PWM wave form The AF signals are amplified at the FET driver 47 and AF power amplifiers Q92 Q93 The amplified AF signals are applied to the SP mute switch D66 Q101 Q100 via the line filter L62 L64 L81 C456
25. 1H 3R5B T A C1608 CH 1H 050C T A C1608 CH 1H C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECST1CY155R C1608 CH 1H 270J T A C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A GRM42 6 B 102K 50PT C1608 JB 1E 103K T A C1608 CH 1H 220J T A C1608 CH 1H 330J T A C1608 CH 1H 060D T A C1608 CH 1H 560J T A C1608 JB 1E 103K T A C1608 CH 1H 200J T A C1608 CH 1H 390J T A C1608 JB 1E 103K T A C1608 CH 1H 2R5B T A C1608 JB 1E 103K T A S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1EA4R7SR S CERAMIC C1608 CH 1H 050C T A S ELECTROLYTIC ECEV1CA100SR S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC C1608 JB 1E 103K T A C1608 CH 1H 221J T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC S CERAMIC C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC C1608 CH 1H 331J T A C2012 JB 1A 105M T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC C1608 JB 1E 103K T A C1608 JB 1H 561K T A ELECTROLYTIC 50 YXG 1000UF S ELECTROLYTIC ECEV1HA3R3SR 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 TEMSVD2 1D 226M 12R C1608 JB 1E 103K T A GRM42 2 R 474K 50PT GRM42 2 R 474K 50PT GRM42 2 R 474K 50PT GRM42 2 R 474K GRM42 2 R 474K 50PT C1608 JB 1H 102K T A C1608 CH 1H 240J T A C1608 CH 1H 220J T A C1608 CH 1H 680J T A C1608 CH 1H
26. 4030006900 4030006860 4030011600 4030006900 4030011600 4030011600 4030011600 4030006900 4030011600 4030006900 4030006900 4030006900 4550006560 4510004440 4550006360 4550006150 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030009990 4030006860 4030007040 4030006860 4030006860 4030009990 4030006860 4030006860 4030007030 4030006860 4030006860 4030007060 4030006860 4030006860 4030007030 4030006860 4030006860 4030007070 4030007050 4030007100 4030012600 4550006220 4510004630 4550006140 4030006860 4030006900 4030009970 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 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 C1608 CH 1H 390J T A C1608 CH 1H 180J T A C1608 CH 1H 560J T A GRM42 6 W5R 102K 500PT GRM42 6 CH 220J 500PT GRM42 6 CK 010 500PT GRM42 6 010 500PT GRM42 6 CH 220J 500PT GRM42 6 CH 100D 500PT GRM42 6 CH 100D 500PT C1608 JB 1H 102K T A C1608 JB 1H 102K T A GRM42 6 WOR 102K 500PT C1608 CH 1H 100D T A C1608 CH 1H 220J T A C1608 CH 1H R75B T A C1608 JB 1H 102K T A C16
27. 500 Q Specifications are measured in accordance with FCC Part87 and RTCA DO 186a RTCA DO 186a Class C E Class 4 6 All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS e MAIN UNIT lt TOP VIEW gt Power complifier Q51 MRF137 DW d E Low pass filter APC amplifier ei Antenna switching circuit T Q11 2SC4081 E j gt LI Crystal band pass filter em Ez FI2 FL 307 USA 1 only e mi Crystal band pass filter VCO circuit 3 Flt FL 306 TCXO Ceramic band pass filter X1 CR 653 a FI3 CFWM450D Ceramic band pass filter T 7 4 CFG450H USA 1 only lt BOTTOM VIEW gt Low pass filter Antenna switching circuit amplifier RX 1st mixer IC37 TDA7233D Q2 3SK184 2nd IF IC IC40 TA31136FN EEPROM PWM modulator 4 BA3308F IC 3308F IC44 uPC311 PLL I AF power amplifier IC2 TB31207AFN Q92 93 2SK2414 SECTION 3 CIRCUIT DESCRIPTION 3 1 RECEIVER CIRCUITS 3 1 1 ANTENNA SWITCHING CIRCUIT The antenna switching circuit functions as a low pass filter while receiving However its impedance becomes very high while D1 and D2 are turned ON Thus transmit signals are blocked from entering the receiver circuits The antenna switching circuit employs a 4 type diode switching system The passed signals are then applied to the
28. 6 via R336 to adjust the external microphone level The output signal from 1C16 pin 1 are applied to the ALC amplifier IC4 pin 9 via R110 to adjust the microphone sensitivity The output signal from 4 7 are amplified at the AF amplifier IC5 and then applied to the MOD AF switch via the high pass filter IC51 and low pass filter C19 to filter out RF components The filtered signals are applied to the modulation circuit 3 2 2 MODULATION CIRCUIT MAIN UNIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone AF signal The audio signals are passed through the MOD AF switch IC48 pin 6 via the modulation depth adjustment pot R121 The signals are converted to the PWM wave form at the PWM Pulse Width Modulation IC IC44 pin 3 and power amplified at the FET driver IC47 pin 5 and power MOS FET Q92 Q93 The power amplified signals are passed through the line filter L62 L64 L81 C456 C457 C462 C463 C468 and then applied to the drain of power ampli fier Q51 for the last stage modulation APC control circuit MAIN unit Q92 Q93 Pre amplified signal Q20 from MAIN unit Q42 PRE DRIVE 3 2 3 DRIVE POWER AMPLIFIER CIRCUITS MAIN UNIT The amplifier circuit amplifies the VCO oscillating signal to the output power level The signal from the buffer amplifiers Q14 Q15 is passed through the TX RX switch D11 and is amplified at the pre
29. Open 5 V gt DTA144EU SQL Close 0 V N COMPLETE VIEW 16 CHASSIS MOD V W36 MOD V WS J1 O w2 7 RX 5 6V O 085070 HK 08S070 085070 180 RX 208V RX 17V 1310 1310 1310 ZBFS5101 PT RF C358 C23 C342 C165 C10 038 C362 L5 L4 C6 L3 L2 L48 47p 0 75p 4p 27p 56p 1SV271 0 001 LA 244 LA 244 0 001 LA 263 LA 253 LA 243 lt J T 1 0 0 0 ZBFS5101 PT GN1 Q1 9 Q L c2 c330 3SK184 29 32 3 T98 o8 5 5p 9 a e a5 ad _ IC47 Qa 2 5 J 1 T T IP 2 HIP4081AIB r SoS Z8 NE 93 iiu Tee Tee 8 2SK2414 Z 5 03 V 26 82 178 85 TX 0 V TA78L05F 2564081 7 55101 19 o RX 0 83 V CPU5V SC408 S510 TUNE Sane D R8 FI5 E ACF321825 223 RF AGC D53 D54 95 MOD V MA2S111 25111 T 55 C418 167 35 168 169 C520 R468 C554 R473 170 171 150 C20 L6 C11 L7 R1 2 001 30nH 17nH 8 8nH 17nH 270p 22 470p 180 LA 232 LA 382 LA 262 0 001 LA 235 0 001 LW 25 100 T8 L61 HK 10S080 1210 N T c LO lt to lt I a N N 253 0 001 o 951 MRF137 h D5 02 D4 Q102 RB706F 40 3t 1 RB706F 40 25 4081 2SK2414 Z 8 L 85 T q co oun TX 7 94 V RX 0 V a ob b y J E T8 16 gt N IC48 FI6
30. RF amplifier cir cuit Received signals are passed through the low pass filter L2 L3 L48 C1 C6 C330 C331 The filtered signals are applied to the 2 4 type antenna switching circuit D1 D2 3 1 2 RF CIRCUIT 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 Q1 after passing through the RX atten uator D38 L52 R295 bandpass filter L27 L8 C10 C164 C165 C21 and two stage tunable bandpass filters the first filter is consisted of D6 L9 C342 C405 and the second filter is consisted of D37 L49 C23 C406 The amplified signals are applied to the 1st mixer circuit Q2 gate 1 after out of band signals are suppressed at the another two stage tunable bandpass filters D7 L10 C28 C407 and D8 L11 C61 C553 The tunable bandpass filters D6 D8 037 which employ varactor diodes track the filters and are controlled by the PLL IC IC2 via the tune buffer amplifier Q79 using TUNE signal These diodes tune the center frequency of an RF passband for wide bandwidth receiving and good image response rejection e Receiver construction 118 000 136 975 MHz 1 03 038 450 kHz IF lt TUNE signal 3 1 3 1ST MIXER AND 1ST IF CIRCUITS The 1st mixer circuit converts the received signal into a fixed frequency of the 1st IF signal with a PLL output fre
31. S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 101J T A C2012 JB 1C 474K T A 50 YXG 470M 50 YXG 470M 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 1C 104KT N TEMSVA 1A 475M 8L C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C3216 JB 1C 105M T A C2012 JB 1A 105M T A C2012 JB 105 C1608 JB 1E 103K T A GRM42 6 CH 270J 500PT GRH111 CH 820J 500PT 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 223 C1608 JB 1H 182K T A C1608 JB 1E 103K T A C1608 JB 1C 153K T A C1608 JB 1H 102K T A C1608 JB 1C 223K T A C1608 CH 1H 471J T A C1608 JB 1C 683K T N C1608 CH 1H 820J T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 CH 1H 090D T A C1608 CH 5 S Surface mount MAIN UNIT 4030006860 4030011600 4030011600 4030008920 4030010760 4030006860 4510006660 4030006890 4030011600 4510004540 4030006900 4030011600 4030006860 4030011600 4030011600 4030006900 4030011180 4030006900 4030006900 4030006900 4030006900 4030006860 4510005630 4030006860 4030006860 4030011600 4550006560 4030006900 4030006900 4030006900 4030011110 4030011160 4030006900 4030006900 40300116
32. a i OSCIN MIXIN 185 T r ZT OSCOUT GND Ov N x N x ole CFG450HQ MIXOUT N REC Qo SAN SN N DET RSSI E IFOUT 2g FILOUT QUAD fo 285 V x nO NS 185 R435 0519 8 T 858 HW DE A WE 2 25nH 0 001 30nH 17nH IFAGC m 2nd LO nara mee I 3 1 1 s s pha pha qe le TX 10 43 V T RMUT u RX 10 45 V SPE Q69 gt gt 2 AFMUT DTB123EK D x F 8 28 88 2 55 OS Tos S TX 0V ain R35 SC RX 0 52 V IC11 m 2SC4215 lt ax NJM2107F son 100 EN i Tas 0 2804215 8 8 x8 228 Qr SAX 10k pass TIT 196 m R328 R333 2SD1819A _ ie I SO TX 0V E ok RX 2 14 V E Sx x D AE XP4315 TX 5 81 V L87 C78 BEEP SN 8 S 2282 2 E ee LS 83 T Sadar RX 0 V 56nH 20p N C55 L T 5 R182 R183 0 R415 C74 0 01 470k 1M 9 1k 18 to FRONT TC et SEK 23 2 4 Q5 4 Unit J1 C 5 az ON ON Far 259 2804228 D x Q78 9 8 x 3 R330 9 A iii N TBPS1R154K475H5Q 2SD1819A O ES NTCCM16084LH 83 2 yox 4 PISTE T Q42 TX 5 02 V r9 25 OS ad 80 x Se x S ir RX 2 05 V us RX 5 44 V 5 2000800 ES 1 Fea SQ amp 9 5 R235 R236 o is Z a NJM2902V 239 L N Os Tos d L TX 7 1 V 0 gt SCR E 2 14 28 55 ER 5 4 1 22k 22 5 gt 9k 1 IC19a RX 7 13 V 32 CN MICE g AT L
33. a programmable divider The PLL circuit contains of the TX VCO and RX VCO cir cuits The oscillated signals are applied to the buffer ampli fiers Q43 Q12 then applied to the PLL IC IC2 pin 8 IC2 is a dual PLL IC which controls VCO circuits for TX and RX The PLL circuit using a one chip PLL IC IC2 directly gen erates the transmit frequency and receive 1st IF frequency with VCOs The PLL sets the divided ratio based on serial data from the CPU on the FRONT unit and compares the phases of VCO signals with the reference oscillator fre quency The PLL IC detects the out of step phase and out put from pin 9 for TX and RX respectively The reference frequency 12 8 MHz is oscillated at X1 3 3 2 TX LOOP The generated signal at the TX VCO Q44 D64 enters the PLL IC IC2 pin 8 and is divided at the programmable divider section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 9 The pulse type signal is converted into DC voltage lock voltage at the loop filter R61 R62 C59 C60 and then applied to the varactor diode D64 of the TX VCO to stabi lize the oscillated frequency e PLL circuit TCXO X1 12 8 MHz L 14 Q83 Q84 H59 3 3 3 RX LOOP The generated signal at the RX VCO Q59 D65 enters the PLL IC IC2 pin 8 and is divided at the
34. amplifier Q42 pre drivers Q20 Q21 and the power amplifier Q51 to obtain 9 W of RF power The amplified signal is passed through the antenna swtich ing circuit D3 and low pass filter and is then applied to the antenna connector 3 2 4 APC CIRCUIT MAIN UNIT The APC Automatic Power Control circuit protects the drive and power amplifiers from mismatched output loads The APC detector circuit D4 D5 detects forward and refrected signals respectively The combined voltage is at a minimum level when the antenna is matched at 50 Q and is increased when it is mismatched The detected voltage is applied to one of the APC controller inputs IC50 pin 3 and a power setting voltage is applied to the other input pin 1 When the antenna impedance is mis matched the detected voltage exceeds the reference volt age Thus the bias voltage of the pre drivers is decreased MOD V signal from the AF power amplifiers Power detector circuit o to the Antenna 1 50 R148 R153 c139 Q99 MP TMUT signal from the R149 R151 expander IC Front unit IC5 14 o T8 R150 Power adjustment 3 3 PLL CIRCUIT 3 3 1 GENERAL MAIN UNIT A PLL circuit provides stable oscillation of the transmit fre quency and receive 1st LO frequency The PLL output com pares the phase of the divided VCO frequency to the refer ence frequency The PLL output frequency is controlled by the divided ratio N data of
35. gt 8 6 ES g NJM2902V M Q16 2504116 NT Le 051 2 x R234 gt _ De Les TE r4 amp 2k SNG aga SUN Solas Ne NC TX 2 17 V r TIT Tos NS ae 18 RX 2 05 V L Q58 XP1113 L39 R194 a 2 7k TX 2 18 V x o RX 2 05 V on 9 5 IC19d T e W20 NJM2902V M IC22 MOD TCAWB3FU Sea L33 064 C195 C538 R122 R123 ON Z 29 0 82uH HVU350 20 120 39k 39k TSN 3 Ge T QL e Q79 gt E gt Cols 2SK880 LO KR 5 88 82 3 Oo MOD TX 0 V TX 215V Ve RX 2 96 V or R256 RX 2 03 V 98 27k QNO Sz R364 NG Og 1 2M TX 4 96 V 6 RX 0 V TC4W53FU Ri 55 x Q52 I g 2 2 az ll 25 L42 065 C545 C547 2SA1622 4 0 82uH HVU350 12 24p 1 3 R114 2 L NTCCM16084LH XP4315 x 2 I h 2 T CANARD e E r LO lo 2 MC152 ols ii 3 4 Z Or 094 E558CN R188 47k IC42 100024 lt TA75S01F 2 lt IC2 TX 0 V 8 Lo be Ler ku P 4 02 V 2SC4215 TB91207AFN RX 8 05 V x PES SEZ PSI D az T 9 5V 5V Eu 2 BV O 7 e 5 TX 8 28 V rx SQL Open 8 3 V SQL Close 0 3 V IC30 C20t 470 we pg Tes a cr TC9260F LE IC37 DATA ee DICERE xm TDA7233D lt Sr Tos STB 3 Q74 cS TRE lt lt R218 o VS OUTPUT 25 798 AGND lt lt lt 4 7k Sa TAS Nig GND SVR J7 MUTE INPU an GND INPUT XP4315 EXT SP Ti R380 ST 82 P 10 100 ZBFS5101 PT Q80 SQL
36. 00 4030011600 4030008470 4030011600 4030006900 4030006950 4510006220 4030009500 4030006960 4030011600 4030006900 4030008650 4030011600 4030011600 4030007090 4030007050 4030006860 4030006950 4030006860 4030006860 4030006860 4030006870 4550006300 4550006150 4030011600 4030006900 4550006390 4030011600 4030008900 4510006670 4510005750 4030006860 4030011600 4030009500 4030007020 4030006950 4030012610 4030012610 4030009000 4510006220 4510004640 4510004640 4030008980 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1 473 C1608 CH 1H 331J T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1HA330P S CERAMIC S CERAMIC C1608 JF 1H 103Z T A C1608 JB 1C 104KT N S ELECTROLYTIC ECEVOJA470SR 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 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1E 103K T A GRM42 6 CH 220J 500PT C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A USA 1 only C1608 JB 1E 103K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1EA330SP 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 C160
37. 00D T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 151J T A C1608 CH 1H 120J T A C1608 CH 1H 090D T A C1608 1H 240J T A C1608 JB 1H 102K T A GRM42 2 R 105K 50PT C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 CH ECST1CY475R GRM42 6 W5R 471K 500PT C1608 CH 1H 240J T A C1608 CH 1H 240J T A C2012 JB 1H 103K T A C1608 JB 1H 102K T A GRM42 2 R 474K 50PT 6510020510 S CONNECTOR 12 405 0 55 6510009400 CONNECTOR B7B ZR 6450000140 CONNECTOR 5 0807 01 010 5920000750 TRANSFORMER ST 82 P 8900009210 CABLE 7120000470 JUMPER 7120000470 JUMPER 7120000470 JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030007150 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003970 S JUMPER 7030007150 S JUMPER 7030000010 S JUMPER 7030003970 S JUMPER 7030003970 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER 7030003860 S JUMPER OPC 905 ERDS2TO ERDS2TO ERDS2TO ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V GEN 1 only MCR50JZHJ JPW 000 ERJ3GE JPW V ERJ3GE JPW V MCR18EZHJ JPW 000 MCR50JZHJ JPW 000 MCR10EZHJ JPW 000 MCR18EZHJ JPW 000 MCR18EZHJ JPW 000 ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V GEN 1 only 7030000010 7030003970 7030007150 7030003860 7030003860 8970023550
38. 04 U T107 DE5SC6M 4061 Symbol SG Symbol M6 Symbol BART Symbol DK Symbol C1 Symbol TG Symbol TX Symbol K Symbol 5SC6 E B B B B C po E 2SC4081 T107 R 2SC4081 T107 S 2SC4116 BL 2SC4211 6 TL 2SC4215 O HVU350 TRF MA111 MA2S111 MA77 MA8036 L Symbol BR Symbol BS Symbol LL Symbol L6 Symbol QO Symbol 4 Symbol 1B Symbol A Symbol 4B Symbol 3 6 B B B B B E E E E E 25 4215 Y 25 4226 T2 R25 2SC4228 M T1 R45 2SC4403 3 TL 2SD1819 AR MA8051 M MA8330 M RB706F 40 T106 5 07 03 0 9401 Symbol QY Symbol R25 Symbol R45 Symbol LY3 Symbol LG Symbol 5 1 Symbol 33 Symbol 3J Symbol J B B B B B E E E E E 14 2SK2414 Z E1 2SK3074 2SK3075 2SK880 GR 3SK184 R Symbol UW Symbol UB F Symbol XG Symbol 3R R G S G S G2 G D G G1 Gi D D D 2 DTA143ZUA T106 DTA144EUA T106 DTB123 EK T147 DTC114EUA T106 DTC144 EE TL Symbol 113 Symbol 16 Symbol F12 Symbol 24 Symbol 26 B B B B C C C C E E E E DTC144EUA T106 FW215 TL MRF137 XP1113 XP1501 AB Symbol 26 Symbol W215 Symbol MRF133 Symbol 7L Symbol 5R G D B S1 am G B1 C1 B1 C1 G1 C S EUR S E1 E 2 L S G2 7 B2 C2 B2 C2 XP4315 Symbol CB E1 NS B2 cA He SECTION 8 BOARD LAYOUTS 8 1 FRONT UNIT The combination of this page and the next page show the unit layout in the same configuration as the actual e TOP VIEW P C Board
39. 08 CH 1H 101J T A C2012 JB 1C 474K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A TEMSVA 0J 156M 8L C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N S ELECTROLYTIC 10 SV 22M S CERAMIC S CERAMIC S TANTALUM S TANTALUM S TANTALUM S CERAMIC C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECST1AX226R ECST1EY474R ECST1AX226R C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA100SR 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 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C2012 JB 1A 105 C1608 CH 1H 220J T A C1608 JB 1C 104KT N C1608 CH 1H 100D T A C1608 CH 1H 270J T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1HAOR1SR S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C2012 JB 1A 105M T A ECST1CY475R ECST1AY475R C1608 CH 1H 330J T A C1608 JB 1H 102K T A C1608 CH ORSB T A C1608 CH 1H 100D T A C1608 JB 1H 102K T A C1608 CH 1H 200J T A S ELECTROLYTIC ECEV1CA471P S CERAMIC S CERAMIC ELECTROLYTIC ELECTROLYTIC 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 CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC
40. 08 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 270J T A C1608 JB 1H 102K T A C1608 CH 5 C1608 CH 1H 270J T A C1608 CH 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 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A ECST1CY225R S ELECTROLYTIC ECEV1HA010SR S TANTALUM 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 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 ECST1VY104R ECST1CY105R 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 200J T A C1608 JB 1H 102K T A C1608 CH 1H 180J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 200J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 270J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 150J
41. 0J T A USA 1 only C1608 CH 1H 040C T A C2012 JB 1C 474K T A C2012 JB 1C 474K T A C2012 JB 1C 224K T A C2012 JB 1C 154K T A MAIN UNIT ORDER ORDER ce mno 4030012600 4030012610 4030009350 4030006960 4030009530 4030006860 4030006860 4550006160 4030007060 4030007030 4030006860 4030006860 4030001170 4030006900 4030007050 4030007070 4030006970 4030007100 4030006900 4030009990 4030007080 4030006900 4030009550 4030006900 4510006220 4510004650 4030006960 4510004630 4510004630 4030006900 4030007170 4510006220 4030006900 4030011600 4030006900 4510006220 4030010760 4030012600 4510006220 4030006900 4030010040 4510007230 4510005870 4550003210 4030006900 4030017070 4030017070 4030017070 4030017070 4030017070 4030006860 4030009650 4030007050 4030007110 4030006980 4030007150 4510007320 4510004420 4030008960 4030010020 4030010020 4030006860 4510004630 4030006860 4030006860 4030011600 4030006860 4030016990 4030011250 4030011280 4510004650 4030007050 4030006870 4030008550 4030006860 4030008920 4030008770 4510007390 4030009530 4510005520 4030011600 4030006860 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 CERAMIC S CERAMIC C2012 JB 1A 105M T A C2012 JB 1C 474K T A C1608 CH
42. 11 L10 L49 L9 R59 RX sensitivity adjustment SECTION 5 PARTS LIST FRONT UNIT ORDER Lil NN 1140008780 S IC HD6433823A19D 1130009110 S IC S 80942ANMP DD6 T2 1130007110 S IC TC7W04FU TE12L 1130008670 S IC 25LC160T I SN 1130007510 S IC BU4094BCFV E1 FRONT UNIT ORDER LE JR 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007090 S CERAMIC C1608 CH 1H 470J T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030008560 S CERAMIC C1608 CH 1H 300J T A 4030008560 S CERAMIC C1608 CH 1H 300J T A 4030008890 S CERAMIC C1608 JB 1C 273K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030007090 S CERAMIC C1608 CH 1H 470J T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4550006480 S TANTALUM TEMSVA 1C 475M 8L 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 1590000440 1510000880 1530003280 1590001980 1590000440 1590000680 1590000680 S TRANSISTOR DTA143ZUA T106 S TRANSISTOR 2SA1622 6 TL S
43. 1530003280 1520000460 1590001980 1530002920 1530002920 1530002920 1590002840 1510000880 1590000980 1590001810 1530002920 1590001980 1590000980 1590000980 1590001940 1590001980 1530002060 1520000200 1530002060 1540000520 1540000520 1560000530 1590000720 1590000430 1530002280 1530002380 1530002380 1590001980 1560001120 1560001120 1590001170 1510001020 1560001120 1560001120 1560001120 1590002870 S IC S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR FET 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 FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S FET S TRANSISTOR TRANSISTOR S FET S FET S FET S FET TB31207AFN BA3308F T1 TA75S01F TE85R TC4S66F TE85R S 81350HG KD T1 NJM2107F TE1 TC9260F HR MC33063AD TC4W53FU TE12L TC4W53FU TE12L TC4W53FU 121 NJM2902V TE1 TC4W53FU 121 78105 TE12R TC4S66F TE85R BAOBFP E2 TC4S66F TE85R TA75S01F TE85R TDA7233D TDA7233D013TR TA31136FN EL TA8208H TA75S01F TE85R HIP4081AIB E2 uPC311G2 NJMO72BM TE1 MC33063AD HIP4081AIB E2 TC4W53
44. 1608 4LH 104KC S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER 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 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 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 564 V 560 kQ ERJ3GEYJ 105 V 1 MO ERJ3GEYJ 124 V 120 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ EVM 1XSX50 B15 104 ERJ3GEYJ 393 V 39 ERJ3GEYJ 393 V 39 kQ ERJ3GEYJ 393 V 39 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 472 V 4 7 kQ EVM 1XSX50 B14 103 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 154 V 150 kQ ERJ3GEYJ 474 V 470 kQ ERJ3GEYJ 105 V 1 MO ERJ3GEYJ 105 V 1 MO ERJ3GEYJ 154 150 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 683 V 68 kQ ERJ3GEYJ 471 V 470 Q ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 682 V 6 8
45. 3 148 28 53 0 001 FLAGS m Dre a 22014 rer LA 244 0 001 LA 263 LA 253 LA 243 85 2 T IS E 4Tp ed 4p POE pesa ZBFS5101 PT a 0 0 0 Nx ist LO oV Q L ca C2 C330 Q 5 SE D 58 324 758 Y SES 15 5p ep Q Ce ru CFWM450D 1 1 az L al 8 TCAW53FU me Q2 aS 46 IC40 88 3SK184 88 T5838 88 52 0 01 IC17 TA31136FN 19 9 3 35 T T T T 2 Q93 TC4W53FU 1 289 5 OSCIN MIXIN 88 225 254 s 5 03 V IC26 Q92 OSCOUT GND 5 7 ee 9e ox TA78L05F Q82 L78 2SK2414 Z S uxoUT 82 TX O V in 2SC4081 ZBFS5101 PT CFG450H U w ox 2 T 3 RX 0 83 V O x Q73 t RSSI u TUNE TUNE 2SC4081 FI5 IFOUT T JV d Q ACF321825 223 FILOUT QUAD L D53 D54 25 MOD V H 85 eo R435 C519 Tos TONG QE L e 1 8k 470p 2 L23 C418 167 L35 L68 L69 C520 R468 C554 R473 L T L70 L71 T a d t i i ee 25nH 0 001 30nH 17nH 8 8nH 17nH 270p 22 470p 180 LA 232 LA 382 LA 262 0 e NQ er IF AGC T Sa Sa ba aan pn Los Le 32 ag RU amp Sea TS T LIO No E 77 71 MRF137 I Q 25 Bes 25 TX 10 43 V D5 5858 04 ee 28K2414 Z 5 RMUT 88 T Nee d RB706F 40 RB706F 40 SEE D SPE DTB123EK N 7 JAFMUT oo 9 oo ge og x ax Os OS OS H D C51 C53 195 o9 1195 X
46. 30003320 7030003650 7030003750 7030003430 7310003600 7030003480 7030003440 7030003480 7030003680 COIL S COIL S COIL S COIL S COIL S COIL COIL S COIL COIL S COIL COIL S COIL S COIL S COIL S COIL S COIL COIL COIL COIL COIL S COIL S COIL S COIL S COIL COIL COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL 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 RESISTOR LR 89 MLF1608D R82K T MC152 E558CN 100025 P3 MC152 E558CN 100024 MLF1608D R82K T MLF1608D R82K T LA 243 LS 527 LA 262 MLF1608D R82K T HK 08S070 1310 ELJRE 82NG F ELJFC R33M F ELJFC R33M F ELJFC R33M F NL 252018T 100J HK 10S080 1210 HK 08S070 1310 HK 08S070 1310 HK 08S070 1310 NL 25201 8T 100J 0 26 0 9 9TR 30N 0 20 0 7 4TR 8 8N 0 26 1 0 5TL 17N LA 232 LA 382 NL 252018T 101J NL 252018T 101J MLF1608D R82K T NL 252018T 6R8J ZBFS5101 PT ZBFS5101 PT ZBFS5101 PT ZBFS5101 PT ELJFC 6R8M F ELJFC SR3K F ELJFC SR3K F ELJFC 6R8M F ZBFS5101 PT ELJR
47. 40002030 5040002030 5040002030 2250000420 2510000880 7120000470 7120000470 7030003860 7030003860 8900007680 0910051553 8930037960 S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC TEMSVA 1A 106M 8L 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 S CONNECTOR FH12 40S 0 5SV CONNECTOR 95003 2881 LCD S LED S LED S LED S LED S LED S LED HLC7453 012400 CL 170Y CD T CL 170Y CD T CL 170Y CD T CL 170Y CD T CL 170Y CD T CL 170Y CD T ENCODER EVQB2CFC620B SPEAKER SME 45W JUMPER JUMPER S JUMPER S JUMPER CABLE ERDS2TO ERDS2TO ERJ3GE JPW V ERJ3GE JPW V OPC 741 N 40 L 55 PCB B 5319C LCD CONTACT SRCN 1705 ZSS S Surface mount C1608 CH 1H 470J T A MAIN UNIT ORDER ORDER mar JE 1130008830 1110003670 1110002750 1130004200 1180000800 1110002400 1130008370 1110005010 1130006220 1130006220 1130006220 1110003780 1130006220 1180000420 1130004200 1180002010 1130004200 1110002750 1110003250 1110003200 1110005030 1110002750 1190001210 1110005130 1110005100 1110005010 1190001210 1130006220 1110002750 1110002750 1580000420 1580000420 1530002600 1530002600 1530002600 1530002600 1530003280 1530002280 1530002560 1530002560 1530002930 1530002850 1560001100 1560001060
48. 560 7030003560 7030003560 7030003440 7030003560 7030003600 7030003520 7310003610 7030003500 7030003320 7030003540 7030003650 7030003700 7030003760 7030003800 7030003800 7030003700 7030003680 7030003640 7030003660 7030003400 7030003490 7030003320 7030003640 7030003540 7030003440 7030003520 7030000210 7030003550 7030000520 7030003620 7030003440 7030003560 7030003680 7030003480 7030003480 7030003520 7030003520 7030003520 7030003520 7030003600 7030003600 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 ERJ3GEYJ 150 V 15 Q ERJ3GEYJ 150 V 15 ERJ3GEYJ 150 V 15 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 154 V 150 ERJ3GEYJ 471 V 470 Q ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 683 V 68 ERJ3GEYJ 271 V 270 Q ERJ3GEYJ 393 V 39 kQ ERJ3GEYJ 151 V 150 Q ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 680 V 68 Q ERJ3GEYJ 151 V 150 Q ERJ3GEYJ 680 V 68 Q ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 121 V 120 9 ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 390 V 39 Q ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 102 V 1 kQ EVM 1XSX50 B14 103 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 390 V 39 Q ERJ3GEYJ 333 V 33 kQ S THERMISTOR
49. 6 12 AFMUT for speaker amplifier and etc Low While the speaker output is muted Outputs RMUTE switch IC6 control 13 RMUT signal Low While squelched Outputs T8 regulator control signal TRE Low When TX is muted R T 3 5 2 CPU FRONT unit IC1 umbe name __ number name Desert name name 1 2 0 Input port for the microphone hanger 5 8 1 Input ports for the key matrix HANG detection signal 9 RESET Input port for the CPU reset signal pee COD One on NOU Input port for the PTT switch 10 PSWC supply circuit High While PTT switch is pushed High Power is ON 78 80 KR1 KR2 Input ports for the key matrix BEEP Outputs beep audio signals 13 ECK Outputs clock signal to the EEPROM FRONT unit IC4 pin 6 Outputs data signal to the EEPROM FRONT unit IC4 5 Outputs chip select signal to the EEP ROM FRONT unit 1C4 pin 1 Input port for the DIAL control signal Outputs control signal to the expander IC FRONT unit IC5 15 Outputs strobe signals to the expander IC FRONT unit IC5 pin 1 Outputs chip select signal to the elec tric volume MAIN unit IC 193 Low While volume is controlled Outputs serial clock to the PLL IC MAIN unit 2 pin 3 the expander IC FRONT unit IC5 3 and the electric volume MAIN unit 1C13 pin Input port for the data signal from the EEPROM FRONT unit 4 pin 2 Outputs serial
50. 6110001740 6110001610 6110001610 6110001550 6170000230 6200003350 6150005000 6150005000 6150005000 6200002710 6200001630 6200003300 6200003290 6200005730 6200002380 6200008400 6200005740 6200008480 6200003590 6200003350 6200007000 6200004480 6200008270 S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S VARICAP S VARICAP S DIODE S DIODE S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S ZENER DIODE S VARICAP S DIODE S DIODE S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S VARICAP S DIODE S MONOLITH S MONOLITH CERAMIC CERAMIC S FILTER LC S XTAL COIL COIL COIL COIL COIL COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL DTC144EUA T106 DTC144EUA 7106 2SA1586 GR TE85R 25 4116 TE85R FW215 TL DTC144EUA T106 25 4081 107 S UM9401F UM9401F UM9401F RB706F 40T106 RB706F 40T106 HVU350TRF HVU350TRF HVU350TRF 77 TX 77 TX MA8036 L TX 111 TX DE5SC6M 4061 111 TX 1SV307 TPH3 USA 1 only 1SV307 TPH3 1SV307 TPH3 1SV307 TPH3 MA8330 M TX DSA3A1 HVU350TRF 1SV271 TPH3 156352 TPH3 MA8051 M TX 1SV271 TPH3 USA 1 only 1SV271 TPH3 1SV271 TPH3 MA2S111 TX MA2
51. 7 SEG24 30p PBRC3 68AR P76 SEG23 P75 SEG22 P74 SEG21 P73 SEG20 R45 15k 6 P72 SEG19 HD6433823A19D P71 SEG18 P70 SEG17 P67 SEG16 BEER P10 TMOW P66 SEG15 R46 27k P11 TMOFL P65 SEG14 1 P12 TMOFH P64 SEG13 P13 TMIG P63 SEG12 EVQ52GFC620B P14 IRQ4 ADTRG P62 SEG11 15 1 61 5 10 P16 IRQ2 P60 SEG9 P17 IRQ3 TMIF P57 WKP7 SEG8 P30 PWM P56 WKP6 SEG7 P31 UD P55 WKP5 SEG6 P32 RESO P54 WKP4 SEG5 C28 0 001 R3 100k P33 SCK31 PA3 COM4 PA2 COM3 PA1 COM2 1 P50 WKPO SEG1 P51 WKP1 SEG2 P52 WKP2 SEG3 P53 WKP3 SEG4 R19 100k 21 ES 2 R20 100k from Main Unit J5 04 XP4315 4 T 73 de BU4094BCFV VDD 16 OE Q5 HS BMUT N Q7 Y RX 7 07V TX 0V 10 1 LI 10 2 MAIN UNIT FH Not D30 C333 R447 FL 306 R448 D29 ote RB 1SV307 0 01 1 2 680 1SV307 C31 C28 R377 O USA 1 only 6 0 5 0 001 22 M RX 5 6 V TX 0 39 V No D 5 Q x N C255 RX 208V RX eo e oo o 2 0 as a 0 001 D x y T So Eo RF AGC Oo TX 0 V On on RX 5 9 V 2 Nx FI3 2 Qi 5 4 TT CFWM450D 3SK184 TCAW53FU D So C46 go S CN 0 01 IC40 D31 Le Se TA31136FN 25 iSv3o7 T 5 ge
52. 8 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N ECST1CY225R C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A GRM42 6 CH 090D 500PT GRM42 6 CH 150J 500PT C1608 JB 1E 103K T A USA 1 only C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 272K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 CH 1H 040C 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 TANTALUM S TANTALUM S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC C1608 CH 1H OR5B T A C1608 CH 1H 050C T A USA 1 only C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1H 332K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 470J T A C1608 CH 1H 220J T A C1608 JB 1H 102K T A C1608 CH 1H 040C T A USA 1 only C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 222K T A ECST1AY475R ECST1CY105R C1608 JB 1C 104KT N C1608 JB 1E 103K T A TEMSVA 1C 335M 8L C1608 JB 1C 104KT N C1608 JB 1C 333K T A S ELECTROLYTIC ECEV1CA471P S ELECTROLYTIC ECEV1EA220SP S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC ECEV1CA101UP S ELECTROLYTIC ECEV1CA470SP S ELECTROLYTIC ECEV1CA470SP S CERAMIC C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H OR5B T A C1608 CH 1H 12
53. 80 7030003480 7030003650 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 223 V 22 kQ ERJ3GEYJ 223 V gt ERJ3GEYJ 223 22 ERJ3GEYJ 223 22 ERJ3GEYJ 223 V 22 ERJ3GEYJ 223 22 ERJ3GEYJ 223 22 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 103 V 10 ERJ3GEYJ 474 470 ERJ3GEYJ 103 V 10 ERJ3GEYJ 394 390 ERJ3GEYJ 102 V 1 ERJ3GEYJ 224 V 220 kQ ERJ3GEYJ 181 V 180 Q ERJ3GEYJ 474 V 470 kQ ERJ3GEYJ 223 V 22 ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 4R7 V 4 7 0 ERJ3GEYJ 103 V 10 ERJ3GEYJ 271 V 270 Q ERJ3GEYJ 151 V 150 Q ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 124 V 120 kQ S THERMISTOR TBPS1R154K475H5Q S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER 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
54. CIRCUITS VOLTAGE LINES MAIN UNIT LINE DESCRIPTION The voltage from the external DC power con nector which is controlled by the power switch VOL control Common 8 V converted from the VCC line by the 8 V regulator circuit IC29 The output voltage is applied to the 5 V regulator circuit IC7 the ripple filter Q16 and etc Common 5 V converted from the 8V line by the 5V regulator IC7 and 5V current amplifier Q22 Q23 D15 circuits The output voltage is applied to the electric volume IC IC13 buffer amplifiers Q68 Q69 and etc Common 5 V converted from the VCC line by 8 V regulator Q82 D35 and 5 V regulator cir cuits IC26 The output 5 V voltage is applied to the CPU FRONT unit 1C1 T8 8 V for transmitter circuits regulated by the 8 V regulator circuit IC29 8 V for receiver circuits regulated by the 8 V regulator circuit IC29 CPUSV 3 5 PORT ALLOCATIONS 3 5 1 OUTPUT EXPANDER IC FRONT unit IC5 number name _ Outputs backlight control signals High High Light ON Dimmer OFF Outputs control signal to the MOD AF swtich MAIN unit 1048 pin 5 and etc High While transmitting Outputs control signal to the TX RX switch MAIN unit Q58 pin 1 for VCO Low While transmitting Outputs AF mute swtich MAIN unit IC30 Q86 Q75 Q74 D43 control 11 SMUT signal Low While squelched Outputs control signal to the mute switch MAIN unit Q100 Q101 D6
55. E 56NG F ERJ12YJ101U 100 Q ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 224 V 220 ERJ3GEYJ 105 V 1 ERJ3GEYJ 274 V 270 ERJ3GEYJ 104 V 100 ERJ3GEYJ 564 V 560 kQ ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 470 V 47 Q ERJ3GEYJ 224 V 220 ERJ3GEYJ 224 V 220 ERJ3GEYJ 224 V 220 ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 823 82 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 101 V 100 0 ERJ3GEYJ 182 V 1 8 kQ ERJ3GEYJ 101 V 100 0 ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 182 V 1 8 kQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 223 22 ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 394 390 ERJ3GEYJ 821 V 820 Q EVM 1XSX50 B54 503 ERJ3GEYJ 222 V 2 2 KQ ERJ3GEYJ 102 V 1 kQ ERJ3GEYJ 222 V 2 2 KQ ERJ3GEYJ 104 V 100 kQ MAIN UNIT 7030003220 7030003220 7030003220 7030003480 7030003700 7030003400 7030003280 7030003660 7030003370 7030003630 7030003340 7030003560 7030003560 7030003300 7030003340 7030003300 7030003620 7030003360 7030003330 7030003600 7030003270 7030003560 7030003440 7310003610 7030003680 7030003270 7030003620 7510001100 7030003680 7030003770 7030003800 7030003690 7030003680 7030003680 7310003580 7030003630 7030003630 7030003630 7030003
56. ERJ3GEYJ 104 V ERJ3GEYJ 104 V ERJ3GEYJ 153 V ERJ3GEYJ 153 V ERJ3GEYJ 153 V ERJ3GEYJ 153 V S CERAMIC S CERAMIC S CERAMIC S CERAMIC MLF1608A 1ROK T MLF1608D R22K T 15 kQ 15 kQ 15 kQ ERJ3GEYJ 273 V 27 kQ 15 kQ C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 271 V 270 Q ERJ3GEYJ 181 V 180 Q ERJ3GEYJ 181 V 180 Q ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 333 V 33 100 kQ 100 kQ 100 kQ 100 ko 100 ko 100 ko 100 ko 100 ko 100 ko ERJ3GEYJ 102 V 1 ERJ3GEYJ 104 V 100 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 332 V 3 3 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 kQ ERJ3GEYJ 273 V 27 kQ ERJ3GEYJ 273 V 27 kQ 4550006250 4030006860 4030006860 4030007090 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 6510020510 6450001470 5030001 740 5040002030 5040002030 5040002030 50
57. FU TE12L TA75S01F TE85R TA75S01F TE85R USA 1 only USA 1 only 3SK184 R TX 3SK184 R TX 25 4215 TE85R 25 4215 TE85R 25 4215 TE85R 25 4215 TE85R 2SC4211 6 TL 25 4081 T107 S 2SC4403 3 TL 2SC4403 3 TL 2SC4228 M T1 R45 2SC4116 BL TE85R 2SK3074 TE12L 2SK3075 TE12L 2SC4211 6 TL 2SB1132 T100 R XP4315 TX 2SC4226 T2 R25 2SC4226 T2 R25 2SC4226 T2 R25 MRF137 2SA1622 6 TL DTB123EK T147 XP1113 TX 2SC4226 T2 R25 XP4315 TX DTB123EK T147 DTB123EK T147 DTC144EE TL XP4315 TX 2SC4081 T107 R 2SB798 T2 DK 2SC4081 T107 R 2SD1819A TX R 2SD1819A TX R 2SK880 GR TE85R DTA144EUA T106 DTC144EUA T106 2SC4081 T107 S 2SC4215 Y TE85R 2SC4215 Y TE85R XP4315 TX 2SK2414 Z E1 2SK2414 Z E1 XP1501 TX AB 2SA1471R 2SK2414 Z E1 2SK2414 Z E1 2SK2414 Z E1 FW215 TL MAIN UNIT 1590000430 1590000430 1510000770 1530002850 1590002870 1590000430 1530002280 1750000510 1750000510 1750000510 1790001670 1790001670 1720000370 1720000370 1720000370 1790000620 1790000620 1790001330 1790001280 1790001340 1790001280 1750000580 1750000580 1750000580 1750000580 1730002460 1790000700 1720000370 1750000530 1750000260 1730002320 1750000530 1750000530 1750000530 1790001250 1790001250 1790000670 1790001340 1790000670 1790000670 1720000370 1720000370 1790000670 2010002400 2010002410 2020001540 2020001660 4580000110 2040000500 6050010830 6110001670
58. Hirano ku Osaka 547 0002 Japan Phone 06 6793 5302 Fax 06 6793 0013 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 Awww icomamerica com lt Customer Service gt Phone 425 454 7619 Icom Canada 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Phone 604 273 7400 Fax 604 273 1900 URL http www icomcanada com Icom Australia Pty Ltd A C N 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 S L 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 Awww icomspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http Awww 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 Tar S 13608H
59. I CD 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan c 2000 Icom Inc
60. IC5 to switch the SP mute switch Q100 Q101 etc When connecting the head set RMUTE signal from the CPU via the output expander IC FRONT unit IC5 is applied to the RMUTE circuit MAIN unit IC6 Q80 Q81 Even when the squelch is closed the mute switch 1C30 opens at the moment of emitting beep tones 3 1 8 AGC CIRCUIT MAIN UNIT The AGC Automatic Gain Control circuit reduces signal fading and keeps the audio output level constant AF signal from the AM detector circuit Q7 is amplified at AGC amplifiers Q77 Q78 The amplified signal from Q77 is applied to the IF amplifier Q4 Q5 The other amplified signal from Q78 is applied to the RF amplifier Q1 and the RX attenuator D38 via the buffer amplifier Q73 These amplifiers reduce the amplifier gain of IF amplifiers Q4 Q5 and the RF amplifier Q1 while receiving a strong signal 2nd mixer Q4 Q5 40 Q6 D7 S a e Q77 IF AGC signal RF AGC signal to AF circuit 3 2 TRANSMITTER CIRCUITS 3 2 1 MICROPHONE AMPLIFIER CIRCUIT MAIN UNIT The microphone amplifier circuit amplifies audio signals from the microphone within 6 dB octave pre emphasis characteristics 300 Hz 3 kHz to a level needed for the modulation circuit The AF signals from the microphone are applied to the MIC switch 16 pin 7 via the MIC signal When using a headset signal are applied to the exter nal switch IC16 pin
61. J Q52 2SA1622 PTTS CR 657 IC6 TC4S66F as TCXO TX 118 0 136 975MHz IC30 IC13 Q80 DTA144EU 12 8MHz Q81 DTC144EU TA75S01F RX 79 15 98 125MHZ _ 2 IMPE CONVERT 243 522526 74 25 798 075 25 4081 Q12 ST 82P Q86 XP4315 2 4403 in Dea HVUSSO PLL IC J7 IC2 TB31207AFN D D66 SB07 03C 0100 FW215 0101 DTC144EU Q59 2SC4226 D65 HVU350 O lt O EXT SP IC41 TA8208H SP MUTE MUTE MAIN UNIT 2804116 LCD RIPPLE BACK LIGHT 01 DTA143ZU FIL DS2 DS7 Q7 DTC114EU ICS BU4094BC CL 170Y CD X6 EXPAND Q5 DTA143ZU Q6 DTC114EU D62 SB07 03C Q96 DTC144EU Q97 DTC144EU XP4315 DTB123EK D57 SB07 03C Q92 Q93 47 HIP4081A 25 2414 X2 IC2 LCD DS1 HLC7453 012400 52 5 80942 S3 5 FET DRIVER LINE FILTER 1048 TC4W53FU D56 DE5SC6M DC DC VDN IC1 MOD AF HD6433823A19D sw 4 DTB123EK _ PROTECT V M o DET 55 N w IC45 IC47A ds A IC26 D35 MA8330 NJM072BM HIP4081A Be x E TA78L05E Q82 2SC4081 SEE m CONVERT MER CONVERT PRI o PBRC3 68AR CONTROL AMP DC POWER SUPPLY 87 SOME EEPROM 5V Q91 13 8V or 24 0V MC33063AD 25 2414 wi sal 0 IC4 2 5V 1 58 as IC3 25LC160T I SN 2 D5 MA111 04 D36 POWER s D36 81 bi VOBUFF
62. J3GEYJ 102 V 1 ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 563 V 56 kQ MAIN UNIT 7030003470 7030003700 7030003700 7030004890 7030004860 7030005260 7030003560 7030003550 7030003550 7030003440 7030003480 7030003760 7030003560 7030003480 7030003800 7030003320 7030003680 7030003600 7030003640 7030003620 7030003380 7030003560 7030003570 7030003540 7030003650 7030003640 7030003560 7030000410 7030003620 7030003440 7030003400 7030003400 7030003560 7030003500 7030003560 7030003560 7030003560 7030003430 7030003550 7030003450 7030003420 7030003280 7030003560 7030004040 7030003530 7030003440 7030003520 7030003450 7030003720 7030003700 7030003440 7030003560 7030004040 7030003530 7030003560 7030003760 7030003500 7030003560 7030003560 7030003800 7030006190 7030003600 7030003600 7030003680 7030001160 7030004040 7030003520 7030003440 7030003670 7510001100 7030003510 4030011210 4030011070 4030011230 4030011030 4030011180 4030011260 4030011180 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 RE
63. O SERVICE MANUAL VHF AIR BAND TRANSCEIVER IC ATIO Icom Inc INTRODUCTION This service manual describes the latest service informa tion for the IC A110 VHF AIR BAND TRANSCEIVER at the time of publication IC A110 To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the transceiver DO NOT expose the transceiver to rain snow or any liquids 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 trans ceiver 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 SAMPLE ORDER 1130008830 5 TB31207AFN IC A110 MAIN UNIT 5 pieces 8810009130 Screw BT M3x12 NI ZU IC A110 Bottom cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components
64. S111 TX SB07 03C TB DE5SC6M 4061 5 07 03 5 07 03 HVU350TRF HVU350TRF 5 07 03 FL 306 38 850 MHz FL 307 38 850 MHz USA 1 only CFWM450D CFG450H 21825 223 002 01 USA 1 only CR 657 12 800 MHz LA 253 LA 263 LA 244 LA 244 LA 235 LW 25 ELJNC R27K F LS 527 LS 527 LS 527 ELJFC 1R8K F ELJNC R10K F ELJNC R22K F ELJNC R12K F ELJRE 39NG F LQN 1A 56NJ04 0 35 1 6 6TL 36N ELJRE 47NG F 0 30 1 4 5TR 25N EXCCL3225U1 ELJNC R27K F ELJRE 82NG F MLF1608D R82K T 0 26 1 0 5TL 17N S Surface mount MAIN UNIT ORDER ORDER E R mar E kuma 6140000670 6200004480 6200009080 6200004850 6200004480 6200004480 6110001600 6150005000 6110001730 6200004480 6190001500 6200007000 6200003310 6200003310 6200003310 6200005010 6190001510 6190001500 6190001500 6190001500 6200005010 6200008760 6200009120 6200008270 6110001520 6110002110 6200002040 6200002040 6200004480 6200009140 6190001520 6190001520 6190001520 6190001520 6200004450 6200004880 6200004880 6200004450 6190001520 6200006990 7030006070 7030003480 7030003500 7030003720 7030003800 7030003730 7030003680 7030003770 7030003280 7030003280 7030003720 7030003720 7030003720 7030003640 7030003670 7030003560 7030003320 7030003470 7030003320 7030003590 7030003460 7030003470 7030003320 7030003600 7030003650 7030003460 7030003480 7030003600 7030003460 7030003500 7030003650 70
65. SISTOR 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 ERJ3GEYJ 182 V ERJ3GEYJ 154 150 ERJ3GEYJ 154 V 150 ERJ3GEYF 434 V 430 ERJ3GEYF 184 V 180 kQ ERJ3GEYF 394 V 390 kQ ERJ3GEYJ 103 V 10 ERJ3GEYJ 822 8 2 ERJ3GEYJ 822 8 2 ERJ3GEYJ 102 V 1 ERJ3GEYJ 222 V 2 2 KQ ERJ3GEYJ 474 V 470 ERJ3GEYJ 103 V 10 ERJ3GEYJ 222 V 2 2 kQ ERJ3GEYJ 105 V 1 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 104 V 100 1 8 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 331 V 330 ERJ3GEYJ 103 V 10 kQ ERJ3GEYJ 123 V 12 kQ ERJ3GEYJ 682 V 6 8 ERJ3GEYJ 563 V 56 ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 103 V 10 kQ MCR10EZHJ 1 8 kQ ERJ3GEYJ 333 V 33 ERJ3GEYJ 102 V 1 ERJ3GEYJ 471 V 470 Q USA 1 only ERJ3GEYJ 471 470 Q USA 1 only ERJ3GEYJ 103 V 10 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 821 V 820 Q ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 122
66. T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 330J T A C1608 CH 1H 220J T A C1608 CH 1H 560J T A C2012 JB 1A 105M T A TEMSVA OJ 156M 8L S ELECTROLYTIC ECEV1CA100SR S TANTALUM S CERAMIC S CERAMIC S CERAMIC ECST1EY474R C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1H 182K T A MAIN UNIT ORDER ORDER E E semen E E 4030009630 4030007130 4030012610 4030006900 4030006860 4550006220 4030006860 4030011600 4030006900 4030011600 4510007460 4030006860 4030006860 4550006710 4550006140 4550006710 4030006860 4510004630 4030006860 4030006860 4030006860 4030006860 4030006860 4030012600 4030007050 4030011600 4030007010 4030007060 4030006860 4510005950 4030012600 4550006540 4550006300 4030007070 4030006860 4030009500 4030007010 4030006860 4030009990 4510006670 4030007130 4030012610 4510007320 4510007320 4030006860 4030006860 4030007080 4030006860 4030006860 4030011600 4550005980 4030006900 4030006900 4030006900 4030006860 4030010210 4030012600 4030012600 4030006900 4030011190 4030017080 4030006860 4030006860 4030006860 4030006860 4030006860 4030008880 4030009970 4030006900 4030008860 4030006860 4030008880 4030011340 4030012660 4030007120 4030011600 4030011600 4030011600 4030011600 4030006860 4030007000 4030009500 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 822K T A C16
67. V 1 2 kQ ERJ3GEYJ 681 V 680 Q ERJ3GEYJ 470 V 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 4R7 V 4 7 0 ERJ3GEYJ 562 V 5 6 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 122 V 1 2 kQ ERJ3GEYJ 224 220 ERJ3GEYJ 154 V 150 ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 4R7 V 4 7 0 ERJ3GEYJ 562 V 5 6 ERJ3GEYJ 103 V 10 ERJ3GEYJ 474 V 470 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 105 V 1 ERJ12YJ2R2U 2 2 Q ERJ3GEYJ 223 V 22 ERJ3GEYJ 223 V 22 ERJ3GEYJ 104 V 100 MCR50JZHJ 180 Q 181 ERJ3GEYJ 4R7 V 4 7 Q ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 102 V 1 ERJ3GEYJ 823 82 S THERMISTOR 1608 4LH 104KC S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ERJ3GEYJ 392 V 3 9 GRM42 6 CH 330J 500PT GRM42 6 CH 050C 500PT GRM42 6 CH 390J 500PT GRM42 6 CK 1R5C 500PT GRM42 6 CH 220J 500PT GRM42 6 W5R 102K 500PT GRM42 6 CH 220J 500PT S Surface mount MAIN UNIT 4030007080 4030007040 4030007100 4030011260 4030011180 4030011020 4030011020 4030011180 4030011120 4030011120 4030006860 4030006860 4030011260 4030007010 4030007050 4030009560 4030006860 4030006860 4030006860 4030006860 4030006860 4030007060 4030006860 4030009500 4030007060 4030009530 4030006860 4030006860 4030006860 4030006900 4030006860 4030006900
68. d noise ratio Spurious emissions Antenna requirements RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Selectivity Spurious response rejection ratio Hum and noise Audio output power at 13 75 V DC Audio output impedance 118 000 136 975 MHz 25 kHz GEN GEN 1 25 kHz 8 33 kHz USA USA 1 AM 6 20 channels SO 239 50 Q 13 75 V DC or 27 5 V DC negative ground Transmit 5 0 A Receive mak audio output 4 0 stand by 500 mA 5 ppm 30 C to 60 C 22 F to 140 F 150 W x 50 H x 180 D mm 529 32 W x 131 32 H x 7332 D in 1 5g 31b 5oz 9 0 W typical Last stage modulation 600 Q 70 100 Less than 10 at 85 modulation More than 40 dB 16 dBm or less except 62 5 kHz of operating frequency Standard 50 Q antenna with a VSWR lt 3 1 Double conversion superheterodyne system dst 38 85 MHz 2nd 450 kHz Less than 1 UV at 6 dB S N Less than 0 35 uV at threshold At 25 kHz channel spacing 8 kHz At 8 33 kHz channel spacing 2 778 kHz Less than 6 dB 7 37 kHz Less than 60 dB Less than 6 dB Less than 40 dB Less than 60 dB 17 kHz 25 kHz More than 74 dBu More than 25 dB Ext SP More than 10 0 W at 10 distortion with an 80 load Side tone than 100 mW at 10 distortion with an 500 load Ext SP 8 Q Side tone
69. data to the PLL IC MAIN unit 2 pin 4 the expander IC FRONT unit IC5 2 and the volume MAIN unit 1C13 pin T strobe signals to the PLL IC PLSTB MAIN unit IC2 5 Outputs 2nd IF filter s select signal FISW High While wide is selected Input port for the unlock signal from UNLK the PLL IC MAIN unit IC2 pin 11 Low PLL is unlocked CLIN Input port for the cloning signal Output port for the cloning signal Input port for the POWER switch 72 PSW Low While POWER switch is pushed SQLI Input port for the squelch signal SECTION 4 ADJUSTMENT PROCEDURES 4 1 PREPARATION e Some versions may need the optional CS A110 CLONING SOFTWARE and OPC 478 OPC 592 CLONING CABLE for setting the adjustment frequency All adjustments must be performed on the Wide mode REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE DC power supply Output voltage 13 75 V DC DC voltmeter Input impedance 50 kQ V DC or better Current capacity 10 or more Digital multimeter Input impedance 10 MQ V DC or better Measuring range 1 50 W 300 3000 H RF power meter Frequency range 50 300 MHz Audio generator Manes 4 500 V terminated type Impedance 50 Q Scot tale deseen SWR Less than 1 2 1 Frequency range 0 1 300 MHz Standard signal Frequency range 0 1 300 MHz generator SSG Output level 2 L aa Frequency counter Fr
70. dis level e Pre set L9 L10 L11 L49 on the tortion meter with 8 MAIN unit to max CCW Q load to the exter e Connect an SSG to the antenna nal SP jack connector and set an SSG as Level 1 0 107 dBm Modulation 1 kHz Mod depth 30 Receiving Operating frequency Maximum AF output 136 975 MHz level Receiving e Enter the Squelch adjustment Display e Verify the display indicates sqADJ02 mode NOTE If the display shows other turn 1 Program 118 000 MHz into MAIN DIAL to select memory channel sqADJ02 2 Turn power OFF 3 While pushing SQL TS Push the SCAN key to set the thresh SCAN turn power ON old level Connect an SSG to the antenna connector and set an SSG Level 0 18 122 dBm Modulation OFF Receiving Set an SSG as e Verify the display indicates SqADJ25 Level 5 6 92 dBm Push the SCAN key to set the tight Modulation OFF level Turn power OFF to cancell the Squelch adjustment mode NOTE Until turn power OFF Squelch adjustment mode is not cancelled and once pushing the SCAN key RX 1 SQUELCH 1 display indicates sqADJ02 threshold level adjustment or sqADJ25 tight level adjustment repeat edly T RE This output level of the standard signal generator SSG is indicated as SSG s open circuit DC power 18 75 OA L
71. equency accuracy 1 ppm or better Sensitivity 100 mV or better AC millivoltmeter Measuring range 10 mV 10 V Frequency range DC 300 MHz Power attenuation 40 or 50 dB Measuring range 0 100 Capacity 50 W or more Frequency range 1kHzH0 Impedance 50 Q meler Measuring range 1 to 100 JENANG Capacity 50 W or more External speaker Impedance 8 Q B VFO CHANNEL ID LIST Channel spacing 8 33 25 kHz USA USA 1 Channel spacing 25 kHz GEN GEN 1 Operating Freq Channel spacing Channel ID Operating Freq Channel spacing Channel ID MHz KHz Displayed Freq MHz kHz Displayed Freq gt 2 25 gt CONNECTION Modulation Attenuator analyzer 40 dB or 50 dB RF power meter 50 Q 1 50 W Power supply DC 13 75 V 10 A Standard signal generator SSG 0 1 300 MHz 127 to 17 dBm 0 1 uV to 32 mV Distortion meter AC millivoltmeter f Speaker 8 Q CAUTION DO NOT transmit while an SSG is connected to the antenna connector Frequency counter to the antenna connector to the external speaker jack MIC JACK PIN CONNECTION Pin 4 PTT 2 Pin 7 GND E AC millivoltmeter AC millivoltmeter Audio generator to t
72. he microphone connector 300 Hz to 3 kHz OPC 592 Cloning connection DB9 female plug incl level converter circuit OPC 478 Personal computer to an RS 232C port aB F AHAHAH REHh 4 2 PLL ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION Operating frequency 118 000 MHz Receiving Operating frequency 118 000 MHz Receiving Transmitting Operating frequency 118 000 MHz Receiving REFERENCE Operating frequency FREQUENCY 136 950 MHz Connect an RF power meter or a 50 Q dummy load to the antenna connector Transmitting Operating frequency 127 000 MHz No audio applied to the MIC jack Transmitting Operating frequecy 127 000 MHz Connect an audio generator to the MIC jack and set as 1 kHz 10 mVrms Set a modulation analyzer as HPF OFF LPF OFF De emphasis OFF Detector P Py 2 e Pre set R110 and R121 on the MAIN unit to the center position Transmitting e Set an audio generator as 1 kHz 1 mVrms Transmitting Operating frequency 127 000 MHz Connect an audio generator to the EXT MIC jack and set as 1 kHz 1 mVrms Transmitting MEASUREMENT VALUE UNIT LOCATION MEASUREMENT ADJUSTMENT UNIT LOCATION UNIT ADJUST MAIN Connect a digital 13 5 V MAIN R392 multi meter to drain terminal of Q51
73. ional product 8900000730 Optional product 8010016730 8820000530 8810000470 8810005840 8850000150 8850000390 8830000120 6910004210 N N CO Connector 95003 2881 LCD HLC7453 012400 LCD contact SRCN 1705 ZSS Speaker SME 45W MP6 1705 reflector 1705 LCD holder 1705 LCD filter 1705 LCD sheet 1705 front panel assembly 1705 front key C Knob N234 Screw PH BT M3 x 12 NI ZU Screw abbreviations Connector HSJ0807 01 010 Cable OPC 905 2088 VCO case Alumi sheet N 2270 IF FIL sheild 2270 A shield plate 2270 B shield plate 2270 rug 2270 A sheet 2270 C shield plate Cable tie 80 Thermally sheet Rubber sheet Fuse FGB 10A DC power cable OPC 344 Microphone HANG cable OPC 049 Microphone HM 100 150 mounting bracket Flange bolt M4 x 8 NI PH M5 x 12 PH A M5 x 20 Flat washer Mb NI BS Spring washer M5 Nut M5 731 microphone hanger set incl 2 screws 2 washers Gb Gb Gp Gb MP7 BT Self tapping PH Pan head NI Nickel NI ZU Nickel Zinc BS Brass OPPOSITE DIRECTION TO THE MAIN UNIT MAIN UNIT FRONT UNIT MP4 C J1 C SP1 F MP8 C MP7 C C CHASSIS PARTS M MAIN UNIT F FRONT UNIT Unit abbreviations SECTION 7 SEMI CONDUCTOR INFORMATION TRANSISTORS AND FET S DIODES 2SA1471R 2SA1586 GR 2SA1622 6 TL 2SB1132 T100 R 2SB798 T2 DK 1SS352 1SV271 1SV307 DA2
74. lt I O BUFF BA08FP DC DC CONVERTOR POWER PROTECT w SW CTRL N 0102 2SC4081 D26 15 D DE5SC6M MC33063AD RX TX LINE E DC DC COMMON LINE 2SA1471 CONVERT POWER CONTROL SW CTRL FILTER DRIVER FRONT UNIT 022 25 4211 023 25 1132 D15 MA111 087 088 D55 SB07 03C LC 2SK2414 X2 IC43 HIP4081A CLONE I O O N XP1501AB DATA BUS LINE PSWC N MIC CONNECTOR Jk SP SP SECTION 10 VOLTAGE DIAGRAM 10 1 FRONT UNIT Dimmer OFF OV Light 7 8V DS1 Dark 6 1V HLC7453 012400 Dimmer OFF OV R11 CP4 Light 7 8V 270 Dark 6 1V DS4 DS3 DS2 Q5 Q6 CL 170Y CD CL 170Y CD CL 170Y CD R12 DTA143ZU DTC114EU 180 Q Q1 Q7 DS5 DS6 DS7 CL 170Y CD CL 170Y CD CL 170Y CD DTA143ZU 114 0 95 Dimmer OFF OV DA 1622 Light 7 7V Dark 6 1V Q 4 75V R30 10k 0V 4 95V C18 0 001 S2 R41 27k C35 0 001 C34 0 001 75 PDET 76 74 Sati to MICROPHONE 2 S 80942ANMP DD6 R43 15k PB4 AN4 PB3 AN3 PB2 AN2 PB1 AN1 PBO ANO P40 SCK32 P87 SEG32 CL1 P86 SEG31 CL2 P85 SEG30 DO P83 SEG28 P82 SEG27 P81 SEG26 P80 SEG25 P84 SEG29 M C5 0 001 C2 0 001 C1 0 001 C36 0 001 R47 15k C9 P7
75. programmable divider section The divided signal is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 9 The pulse type signal is converted into DC voltage lock voltage at the loop filter R61 R62 C59 C60 and then applied to the varactor diode D65 of the RX VCO to stabi lize the oscillated frequency The lock voltage is also used for the receiver circuit for the bandpass filter center frequen cy The lock voltage from the PLL IC IC2 pin 9 passes through the low pass filter and is applied to the tune buffer amplifier Q79 The amplified signal is applied to the RF bandpass filters D7 D8 and D6 D37 via the tune adjust ment pot R59 3 3 4 VCO CIRCUIT The VCO outputs from Q44 TX and Q59 RX are buffer amplified at 043 and are applied to the buffer amplifiers Q14 Q15 The amplified signal is applied to the T R switch D10 D11 The receive LO signal is applied to the 1st mixer circuit Q2 and the transmit signal is applied to the pre amplifier Q42 A portion of the VCO signal is amplified at the buffer ampli fier Q12 and then fed back to the PLL IC IC2 pin 8 to transmitter circuit to 1st mixer circuit Q2 switch 38 4 MHz 2nd LO signal to the 2nd IF IC IC 40 2 to the RF BPF D7 and D8 D6 and D37 RF BPF adjustment 3 4 POWER SUPPLY
76. quency By changing the PLL frequency only the desired frequency will pass through a crystal filter at the next stage of the 1st mixer The filtered signals from the RF circuit are mixed at the 1st mixer Q2 with a 1st LO signal coming from the VCO circuit to produce a 38 85 MHz 1st IF signal The ist IF signal is applied to a pair of crystal filter Wide mode 1 Narrow mode 2 to suppress out of band sig nals The filtered 1st IF signal is applied to the IF amplifier Q3 then applied to the 2nd mixer circuit IC40 pin 16 3 1 4 2ND MIXER AND 2ND IF CIRCUITS 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 1st IF signal from the IF amplifier is applied to the 2nd mixer section of the IF IC IC2 pin 16 and is mixed with the 38 4 MHz 2nd LO signal to be converted into a 450 kHz 2nd IF signal A 2nd LO signal 38 4 MHz is produced at the PLL circuit by tripling it s reference frequency 12 8 MHz The 2nd IF signal from the 2nd mixer IC2 pin 3 passes through a ceramic filter Wide mode FL3 Narrow mode Fl4 to remove unwanted heterodyned frequencies It is then amplified at the 2nd IF amplifiers Q4 Q6 Wide 1st mixer Fl2 Narrow 38 85 MHz Q3 Tuned 25 uS eS i 1st LO signal 79 15 98 125 MHz from VCO circuit

IC-A110 Service Manual

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