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SERVICE MANUAL - R

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1. 1 ANT w2 CHASSIS J2 L 0 Ci IS 9 EN 4 66V 18p R266 9 NS if No Jk We 5 89 7 7 9 es s R95 Ic4B 8 a R102 Ri03 R104 827 535 DEMOD 100k tok 10k 5 NJM4558M d 1 7 3
2. HV Um Ld 5 SNVH gt Eu E OW GND edv OINdS 5 p g 5 PES QV 7 ey 991 g I 249 O g 45 2 E ERES E 195995 A8 y o on EN j IL cO AH g a gt Cr 2 d IE a 49 C AR n o 22 b B BS z B B
3. 1 Clee Cu f S 908 5 s ip BR Ed RIZ g RP bin dg cpp B Sit jh doi b g dit b 47 2 lt g em E iE 8 deat B B G5 08 98 B C7 CB m g En rea RI 8 07 PBL CSI z 8 5 p m PEP m muU m m Sg Bg pins RE E zu a te NET 3 888 a M 5 276 555 r4 ot BaS 4 0 0 8 8B PM us ag s B al 8 shag PIS 1287 n 2 455 3 g fina as yu i B EET Gig
4. TRL UNIT l l FI3 1 EXT SP 1 ALFY450E Q31 DTC144EU OPTION t Q32 25 4116 EXTERNAL SPEAKER I CERAMIC ATTA 1 2 1136 IC4B Fl2 3 stage 02 1 stage 016 017 NJM4558M FL 310 Q3 3 292 XB15A308 I ALERT 3SK166 I hi j XTHL ANT 5 i LPF m Kj itk KHH su LPF HM 126 i 165 NJM2211M IC4A T i 1 6 TC7W14FU NJM4558M Qit 912 Ica 014 015 HSM88ASR 5 k DSC DEC m 283775 25 2954 5 1302 wv 1 DECODER HPF pi Tx Rx PRE YGR PWR y BE OUT TXDET 1 SV DRIVE RMP RMP DET D11 D12 T 20 NJM2125F vec 014 2681143 016 FMW1 SQL Sor q SQLI v LOGIC x e RPC 659 21 25 MHz p ctr lg 15 4 IC2 IH A uPD3140GS Q5 Q10 h 2804215 SQL UNIT DIAL UNIT 5 lt u 16 BUFF T BUFF PUR 1 1 CTRL D5V bd BUFF RMP CTRL 1 1 ENCODER O VOL UNIT Q8 254210 015 i B
5. 51 Sl J EPe C B D MPI DSI EP VOL SQL B 16 LO DX CH WX aio BOTTOM VIEW 127 BOTTOM VIEW CTRL lt HANG q RI RI6 Ji l 18 g BB gg RN i Ii Ree n O Ew gu 4 510216
6. E B B 051 1 B L I6 BOTTOM VIEW Bo4c U C ICOM BH gt Bg 39 128 8 Ie Hi ro 22 g ni R48 Pa B6 RS M dg R44 21 020 185 R3 8868 Big a ms eld 218 ati ED D 41 80 Ri6 LD 60 61 E 0 5 a C5 gt 4 C8 s l C7 lt 1 2 1 13 J1 KEYM GND SP SP G
7. Screw abbreviations PH Pan head yc Cable OPC 1000 2289 mic hanger Screw PH M3 x 16 SUS 2417 C plate Screw PH M3 x 16 SUS FT Flat head BT Self tapping 2 Nickel zinc SUS Stainless ZK Black MP18 CH MP17 CH MP13 CH D HM 127 UNPACKING SECTION 8 SEMI CONDUCTOR INFORMATION TRANSISTORS AND 5 25 1576 T106R Symbol 25811321100 R Symbol 2581143 S Symbol 1143 SERT 25 2714 Symbol Blass 25 2954 2 Symbol DIODES 188355 18S375 TL DA204 U DAN202 U DAP202U Symbol A Symbol FH Symbol K Symbol N Symbol P ci Deo lt 42 c2 HSM88ASR TR HSU88TRF MA363 B MA77 8036 Symbol Symbol 9 Symbol 60 Symbol 4 Symbol 3 6 d n 4
8. SERVICE MANUAL VHF MARINE TRANSCEIVER gt Inc INTRODUCTION DANGER This service manual describes the latest service information forthe IC M502 VHF MARINE TRANSCEIVER at the time of publication upgrade quality electrical or mechanical parts and internal circuits are subject to change without notice or obligation NEVER connect the transceiver to an AC outlet or to a 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 transceler s front end ORDERING PARTS REPAIR NOTES 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 lt SAMPLE ORDER gt 1110003200 S C TA31136FN 502 MAIN UNIT 5 pieces 8810006050 Screw screw E7 502 CHASSIS 10 pieces Addresses are provided on the inside back cover for your convenience 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
9. SSsooso RELAY RELAY S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR CABLE S JUMPER S JUMPER PCB PWR CORD UNIT C1608 JB 1E 103K T A ECST1AY106R C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECST1AY106R ECST1AY106R C1608 JB 1C 104KT N C1608 CH 1H 470J T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 CH 1H 010B T A C2012 JB 1A 105M T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A ECEV1CA100SR FTR F3AA012E FTR F3AA012E 52365 1091 B2B PH SM3 TB 14FLT SM1 TB 14FLT SM1 TB 53307 1491 B8B PH SM3 TB B2B PH SM3 TB OPC 1026 ERJ3GE JPW V ERJ3GE JPW V B 5545B DESCRIPTION 4030006860 4030006860 6510003130 0910053340 S CERAMIC S CERAMIC CONNECTOR PCB C1608 JB 1H 102K T A C1608 JB 1H 102K T A SB4P HVQ 22 B 5559 S Surface mount 6 2 126 6 3 127 MAIN UNIT MAIN UNIT DESCRIPTION HORDE DESCRIPTION 7010006890 RESISTOR R20J 12 1140009280 S IC yPD78F9418AGK 9EU 7010006880 RESISTOR R20J 6 8 1110001810 S IC TA7368F 1 7010006900 RESISTOR R20J 15 1110004490 S IC M62429FP 700C 7010006910 RESISTOR R20J 33 1120002830 S IC NJM2125F TE1 7070000860 RESISTOR ERG2SJ 150 1180000420 S IC 78105 TE12R 1180001250 S IC TA7808F TE16L 1110004710 S IC S 80928ANMP DDR T2 4010000460 00104
10. 473 V ERJ3GEYJ 153 V 102 V 102 V 472 V 470 V 102 V 473 V 102 V ERJ3GEYJ 682 V 471 V 104 V 104 V 104 V 181 V 220 V 104 V 223 V 473 V ERJ3GEYJ 333 V 470 V ERJ3GEYJ 820 V 472 V 822 V 561 V 102 V ERJ3GEYJ 183 V ERJ3GEYJ 102 V 102 V ERJ3GEYJ 100 V ERJ3GEYJ 183 V 472 V 222 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V ERJ3GEYJ 103 V 102 V ERJ3GEYJ 103 V ERJ3GEYJ 102 V 562 V 470 V ERJ3GEYJ 222 V 222 V ERJ3GEYJ 103 V 821 V NTCCM1608 4LH 333KC T ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 1RO V 1 Q 103 V 10 ERJ3GEYJ 332 V 3 3 273 V 27 473 V 47 ERJ3GEYJ 124 V 120 ERJ3GEYJ 331 V 330 ERJ3GEYJ 104 V 100 103 V 10 103 V 10 102 V 1 103 V 10 103 V 10 ERJ3GEYJ 103 V MCR10EZHJ 330 Q MCR10EZ
11. PWGND PREGND 7 R37 VIN PHASE 22k 5 RIPPLE NF 06 7 017 013 10 0 047 16 22 100 4 zu 100 Sex IE DS7 b 54 058 050 SML 311YT OSE YT a 10KEY J vr voL C24 Q4 626 t 1 254144 a 10 i amp D R2 163 5 R2 DOWN M62429FP 470 el 0510 5 e o IR SML 311YT 1 vi H gro mo TW uci SMS SR ENB SRE SRO 2 56 VOUT1 VOUT2 d s OND ANN 100k 10 BBY 88880905 0000004 31 R3 VRDAT 4 DATA E 025 056 10 150 0 01 22 051 FY1101F TR 811 0119 5 5 059 TOKEY 084 SML 311YT 59 28 3 8 59 4 CHWX R38 022 Ww ON O DN 0000 TR 15k 0 01 i j ZJKERJSGE Ras R47 caa PII 1 1 022 33k 470k 1 t Lass 053 FY1101F TR 10 aw col 9 ex e C29 90555555655890998 0 001 re fe an ea co a an en en 07 a5 R65 o EZ 0 e be 4 ne R gt 0 1 1 4 R7 NJM2125F 10k 06 R66 DTB123EK B ME AW R SV AF5V ooroo oa rE R75 2035 150
12. 7030003680 S RESISTOR ERJ3GEYJ 104 100 7030003680 S RESISTOR ERJ3GEYJ 104 100 7030003620 S RESISTOR ERJ3GEYJ 333 33 7030003760 S RESISTOR ERJ3GEYJ 474 470 7030003680 S RESISTOR ERJ3GEYJ 104 100 7030003610 S RESISTOR ERJ3GEYJ 273 V 27 7030003630 S RESISTOR ERJ3GEYJ 393 39 7030003680 S RESISTOR ERJ3GEYJ 104 100 S Surface mount MAIN UNIT ORDER DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7030003440 7030003640 7030003440 7030003520 7030003280 7030003580 7030003560 7030003630 7030003640 7030003560 7030003510 7030003800 7030003800 7030003800 7030003320 7030003320 7030003260 7030000180 7030000180 7030000180 4510004630 4510005430 4030006900 4030006900 4030006900 4030011600 4030006900 4030011600 4030011600 4030012600 4030008920 4030011600 4510006220 4510006220 4510006220 4510006250 4030006900 4510005430 4030012600 4030006900 4030012600 4030006850 4030011600 4030006860 4510004630 4030011810 4030007090 4030012600 4030011600 4510005430 4030011600 4510005430 4030011600 4510006220 4030011600 4510006250 4030008890 4030011600 4030006900 4030011600 4030006850 4030006860 4030007090 4030007090 4030006900 4030012600 6510019420 6510021440 5030001900 5040002660 5040002660 5040002310 5040002660 5040002660 5040002310 5040002310 S RESISTOR S RESISTOR
13. ERJ3GEYJ 183 V 18 ERJ3GEYJ 333 33 ERJ3GEYJ 822 8 2 ERJ3GEYJ 470 47 0 ERJ3GEYJ 153 15 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 105 1 ERJ3GEYJ 223 22 10 7 4 7 4R7 ERJ3GEYJ 393 V 39 ERJ3GEYJ 393 V 39 ERJ3GEYJ 104 100 ERJ3GEYJ 104 100 ERJ3GEYJ 104 100 ERJ3GEYJ 105 1 ERJ3GEYJ 394 390 ERJ3GEYJ 105 1 ERJ3GEYJ 100 10 ERJ3GEYJ 104 100 ERJ3GEYJ 272 2 7 ERJ3GEYJ 273 27 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V ERJ3GEYJ 154 V 150 ERJSGEYJ 473 V 47 ERJ3GEYJ 104 V 100 102 V 1 ERJ3GEYJ 104 V 100 7030003800 7030003650 7030003490 7030003560 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003640 7030003640 7030003580 7030003440 7030003440 7030003520 7030003280 7030003440 7030003640 7030003440 7030003540 7030003400 7030003680 7030003680 7030003680 7030003350 7030003240 7030003680 7030003600 7030003640 7030003620 7030003280 7030003310 7030003520 7030003550 7030003410 7030003440 7030003590 7030003440 7030003440 7030003200 7030003590 7030003520 7030003480 7030003560 7030003560 7030003560 7030003440 7030003560 7030003440 7030003530 7030
14. MAIN 1 E IMODE By TAUXS E
15. aL BOTTOM VIEW 126 BOTTOM VIEW PWR CORD J1 PWRC 8 RRXDA RTXDA PTTC GND MICG AF MIC VCC 1 to 502 CTRL unit J1 2229 SECTION 10 BLOCK DIAGRAM
16. Ht Ht 8043 1 8062 Symbol 4_3 Symbol 6 2 d h E 25 3326 25 3775 3 25 4081 T107 R 25 4116 BL 25 4215 O Symbol CCB Symbol OY3 Symbol BR Symbol LL Symbol QO B B B B B A 6 25 144 25 210 GR 2SK880 Y 2SK1069 4 TL 3SK166A 2 T7 Symbol VY Symbol YG Symbol XY Symbol Fu Symbol K 5 DE s G2 116 He D GD D D 5 G1 35 292 144 1106 DTB123EK DTC144TUT107 DTC144EUAT106 Symbol UK Symbol 16 Symbol F12 Symbol 06 Symbol 26 D G2 B B B B C C 8 G1 E SECTION 9 BOARD LAYOUTS 9 1VOL UNIT 9 3 SQL UNIT a d RI We Ji J1 SQLG SQLV ISQL5V 1 voL o GND to LOGIC unit 93 to MAIN unit W1 9 2 DIAL UNIT la Sd EX M Je z J2 1 4 to LOGIC unit J3 9 4 LOGIC
17. Sie hy 0H O a Ue d SECTION 1 Mode Usable channels Power supply requirement Usable temperature range Frequency stability Current drain at 13 8 V DC Antenna connector Dimensions projections not included Weight TRANSMITTER Output power at 13 8 V DC Modulation Maximum frequency deviation Spurious emissions Adjacent channel power Residual modulation Audio harmonic distortion Audio frequency response Microphone impedance RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Adjacent channel selectivity Spurious response Intermodulation rejection ratio Hum and noise Audio output power at 13 8 V DC Audio frequency responce SPECIFICATIONS 156 025 157 425 MHz 156 050 163 275 MHz Rx 16 16K0G2E DSC All international and USA channels 13 8 V DC negative ground 20 to 60 C 4 F to 140 F 10 ppm 20 C to 60 C 4 F to 140 F Transmit at 25 W max audio 6 5 1 2 SO 239 50 165 W x110 H x109 4 D mm 612 W x 411 82 x 4546 D in 1130 g 216 8 oz High 25W Low 1W Variable reactance frequency modulation x5 0 kHz 70 dBc 70 dB 40 dB Less than 10 a
18. B 74 419 3 3k gt 5020 a 1 5 251 4 EES S22 C81 560 s r R32 TA31136FN E n24129 76 Brecon 50 001 277 18 33k 220 L 15 24 CR 610 28 pag BS HSTK 50 515 2 180 e HH 77 Xi RE MD2 Bed 9 4 Sh hs MD1 Lt R203 R30 s 8 R189 79 mm 330k f t e AH xo 1 1 45 DSDEC 2SK880 9332 Fis HT Lw Bo xi PBO RQO 5 TERR 20k Sf ALFY450E us gr C252 24p R190 10 83 VCC 57 7 WXDEC R31 mE Sls 00 56 POO ADOO P56 AN6 SCK4 R42 820 p ul f L30 R191 R192 PO1 ADO1 P55 AN5 SOT4 2 672 3 8 R18 1 85 21 0 047 0 001 m C46 cas 100k 2 7k P02 AD02 P54 AN4 SIN4 8 1 861 Po3 AD03 vss 00 17 R283 5 87 P04 AD04 IC16 P53 AN3 39 SQL NTCCM16084LH R193 SB 88 Po5 AD05 90587 107 P52 AN2 SCK3 39 RIXD 044 R250 1 27k 25 52 POG ADOG PST AN1 SOT3 Z R248 47K 25 4116 47 Arb 20 207 007 P50 ANO SIN3 35 arta UBL C283 33k 285 C286 R290 27k 1 5 P12 AD10 AVRH 0 001 97 0 001 lt 0 1 RX 3 08V ANN 4 1021 94 J 2SK210 TX 0V RX 0V R292 120k 94 1 11 Ced cost 25 TX 7 95V NJM2125F 995 1 P14 AD12 P74 DA01 D i zT 1 0200 5 C304 188355 65 1 72 poet 97 15 013 P73 DA00 C255 pose Vases scr 7 5 36
19. SP J8 R301 lt R302 lt R303 C321 AF 330 330 2330 47 ExTSP SP 1 i 1 ceto 11 3 MAIN UNIT 11 3 HM 127 OPTIONAL UNIT 11 4 CHASSIS CP2 7 SP C10 R35 C12 6 1 1 TA7368F E SPI L a 5 tf uc OUT 10 BS T 036D0801 9 2
20. 06 B B E 15 n J Es zB gj S 14 8 Big EH BgBnnnnmmn 5 gt RS 213 D RS BESHSB 822 89 6329 or 0613 um 76L 6619 Tj 219 x 17527 eld se 9 6 CTRL UNIT VIEW N d e E fal C 5 E B5471C iD RI 5 c 2149 psu zu 4 5 13 1 to unit J3 9 7 PWR CORD UNIT 9 8 126 VIEW VIEW to MAIN unit J1 1 4 GND 7 J1 SPMIC gt gt KGND wil KEYM 1 2 9 9 HM 127 OPTIONAL UNIT VIEW
21. 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 MQ 7030003540 S RESISTOR ERJ3GEYJ 682 V 6 8 7030003630 S RESISTOR ERJ3GEYJ 393 39 7030004120 S RESISTOR ERJ3GEYJ 203 V 20 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7510001150 S THERMISTOR NTCCM1608 4BH 103 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030004120 S RESISTOR ERJ3GEYJ 203 V 20 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003590 S RESISTOR ERJ3GEYJ 183 V 18 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030004120 S RESISTOR ERJ3GEYJ 203 V 20 7030003560 S RESISTOR ERJ3GEYJ 103 10 7030003440 S RESISTOR ERJ3GEYJ 102 1 7030003440 S RESISTOR ERJ3GEYJ 102 1 7030003560 S RESISTOR ERJ3GEYJ 103 10 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003580 S RESISTOR ERJ3GEYJ 153 15 7030003680 S RESISTOR ERJ3GEYJ 104 100 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 7030003680 S RESISTOR ERJ3GEYJ 104 100 7030003570 S RESISTOR ERJ3GEYJ 123 12 7030003490 S RESISTOR ERJ3GEYJ 272 2 7
22. Outputs clock signal to PLL IC IC2 pin 3 Outputs clock signal to PLL IC IC2 pin 4 Outputs main microphone HM 126 select signal to the analog switch 10 while intercom operation Outputs optional remote microphone HM 127 select signal to the analog switch IC10 while intercom operation Outputs select signal for the speaker of main microphone 126 to the analog switch IC10 while intercom operation Outputs select signal for the speaker of optional remote microphone HM 127 to the analog switch IC10 while intercom operation Outputs ON OFF control signal for the internal speaker to the AF mute circuit Q32 D23 RL2 Low While internal speaker is ON Output port for RF output power High or Low select signal Low While low power is selected Outputs the T8 regulator Q20 Q21 control signal Low While transmitting Outputs transmit mute signal High While transmitting Input port for the communication data from sub CPU LOGIC unit IC1 Outputs communication data for sub CPU LOGIC unit IC1 Input port for the cloning data from the buffer D24 Pin number CLTX Description Output port for the cloning data to the buffer MAIN unit Q37 ECK Outputs clock signal for EEPROM IC17 EDA Outputs serial data signal for EEP ROM IC17 MICDSC Outputs select signal to the analog switch IC12 for the micro
23. Tes les 15 o ges j Sg 88 100k 1 UT RV 148 PET D354 amp 4 3 0933 105 Nc 8241 EB I L 470 FSK 0 22 R106 C22 C21 SR 4 C163 2p 5 BS 55 LM 9002 e 6149 150 R111 0 001 3p 001 001 lt 330 gt C24 R97 R99 5 Lea s C165 AP T T5p 825 15 T 470p PWR CORD BOARD HIEN 15p n A e gt 11 612 Leos 12 1 R R10 1 190 470p T 00r 470p T ark im 58 E SK m 220k 2205 220k 7 NJM4558M 15 214 15 214 151214 1Sv214 t R288 25 los Tos HV 10k 0 001 T T 0 001 I 0 001 7 E YCC gt 5 lt C330 3 48V E Sz ge T 1 reves 1k 122 pie 5 D17 t 0171 C172 173 174 150 LW 25 XB15A308 243 XB15A308 020 a 92 19 ON 4 9 18 SL Bis Jaa 2581132 2 4 95V 6 Ic3 T 56 1302 L 42 127 L 0143 Ria T 1 T GND GND 0 001 T we qup 100p 8 04V f so ico RL1 L21 C133 123 124 125 012 LA 243 0001 ANT C176 C177 V ib I C139 pum n HI X Ber 5 6127 z 128 0137 9 84 a 24p 18 c134 g 5 91
24. Unscrew 5 screws 0 and remove the LOGIC unit Remove the MAIN unit D Unscrew 4 screws from the shielding plate then lift up the shielding plate 2 Remove the 2 clips 3 Disconnect microphone connector from J7 and CTRL connector from J3 and EX SP connector from J8 and EX GPS connector from J2 4 Unsolder 10 point 8 Unscrew 5 screws B and remove the MAIN unit 9166 SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT antenna switching circuit functions low pass filter while receiving and as resonator circuit while transmitting The circuit does not allow transmit signals to enter receiver circuits Received signals enter the MAIN unit from the antenna con nector and pass through the low pass filter L23 L25 C134 136 139 The signals are then applied to the RF circuit via the antenna switching circuit D17 L26 L27 141 143 4 1 2 CIRCUIT circuit amplifies signals within the range of frequen cy coverage and filters out of band signals The signals from the antenna switching circuit pass through a tunable bandpass filter D1 L1 C2 C4 where the object signals are led to the RF amplifier circuit Q2 The amplified signals at Q2 are applied to the 3 sta
25. 225 161 825 156 600 156 600 156 175 156 175 157 225 157 225 156 650 156 650 156 225 160 825 157 275 161 875 156 700 156 700 156 225 156 225 157 275 157 275 156 750 156 750 156 275 160 875 157 325 161 925 156 800 156 800 156 275 156 275 157 325 157 325 156 850 156 850 156 325 160 925 157 375 161 975 156 900 161 500 156 325 156 325 157 375 157 375 156 900 156 900 156 375 156 375 157 425 162 025 156 950 161 550 156 425 156 425 157 425 157 425 156 950 156 950 156 475 156 475 157 000 161 600 156 525 156 525 157 000 157 000 156 575 156 575 157 050 161 650 156 625 156 625 Low power only Receive only NOTE Simplex channels 3 21 23 61 64 81 82 and 83 CANNOT be lawfully used by the general public in USA waters Weather Frequency MHz Weather Frequency MHz channel Transmit Receive channel Transmit Receive Receive only 162 550 Receive only 162 500 Receive only 162 400 Receive only 162 525 Receive only 162 475 Receive only 161 650 Receive only 162 425 Receive only 161 775 Receive only 162 450 Receive only 163 275 SECTION 2 INSIDE VIEWS 2 1 IC M502 MAIN UNIT AF power amplifier IC14 LA4425A PLL IC IC2 uPD3140GS VCO circuit Reference oscillator X2 CR 659 21 25 MHz Drive amplifier Q12 2SC2954 1st IF filter Power module FL 310 one 2nd
26. 4 LOD 8 OUolnoldN2 8zd 9 8 09 2 0 041 924 gt i 8409 9 6 15 06 8 15 S1dO d1NV ZZd h SSAV 65 ONIdWO OINV O9d 6 J3HdWO LINV 19d 5 2 L Sv 98 SINV E9d 1 18 TINV r9d 88 SINV S9d E 68 SINV 99d 22 735 rk 58 25 4 ez PA 88 ONG SD Qo 9 lt 002020200 88 o LLL x TODO AA as N op 8 55 58 Som ez 5 gt 9 ge 5 gt y Er 4 4 OE g s s M 5 1 3 25 T 55 4 8 B Or g 55 5 ae x 5 21 221 dad Ox ES G 73888888909 9 fuc c o 2 4 5 8 1980 lt m M 200 ape 829 6 00 RE INOJ 99 6 is E zs SNOJ 2399 299 26 gt 1 NOO ee Wo 55 eco lt WO 08NOD ENOJ 053 688 06 62NO2 06 680 ZNOJ 6 29 68 0zNOD 82400 62 lt INOJ 9 19 189 ZZINOO 6 09955 095 38 48 SLNO 92400 75 646 m 91NO2 75936 6 258 oes ee 2593 ZNOJ b SINOD Wo 98535 945 gfe 8 Ig 2 HAOD 05935 25038 tps SINOD ELWOOD ZZ ELWO 6
27. 4 to MAIN unit J7 5 IC M501EURO 82 R2 6 8 yi U t 1 t ES R3 15k DN a 54 H L de 52 54 24 11 5 Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 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 425 454 8155 Fax 425 454 1509 URL http www icomamerica com lt Customer Service gt Phone 425 454 7619 Icom Canada Glenwood Centre 150 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 Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 09 274 4062 Fax 09 274 4708 URL http www icom co nz Beijing Icom Ltd 1305 Wanshang Plaza Shijingshan Road Beijing China Phone 010 6866 6337 Fax 010 6866 3553 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
28. 7030003630 S RESISTOR ERJ3GEYJ 393 39 7030003320 S RESISTOR ERJ3GEYJ 101 V 1000 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 7030003400 S RESISTOR ERJSGEYJ 471 V 4700 7310002720 S TRIMMER RV 148 RHO3A3AS3X0DA 472 7030003320 S RESISTOR 101 V 100 Q 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 Q 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR 103 V 10 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q 7030003200 S RESISTOR ERJ3GEYJ 100 V 10 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 S Surface mount MAIN UNIT ORDER DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7030003550 7030003770 7030003710 7030003490 7030003380 7030003620 7030003620 7030003480 7030003680 7030003760 7030003760 7030003680 7030003680 7030003680 7030003680 7030003440 7030003800 7030003800 7030003490 7030003320 7030003440 7030003800 7030003580 7030003590 7030003800
29. 8 y 8 CO 220 x ON y from LOGIC unit J4 from CTRL unit J2 to optional unit UT 98 or UT 112 for FLASH BOTTOM VIEW
30. C1608 CH 1H 470J T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 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 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030012600 S CERAMIC C2012 JB 1A 105M T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030007170 S CERAMIC C1608 CH 1H 221J T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030007170 S CERAMIC C1608 CH 1H 221J 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 4030009920 S CERAMIC C1608 CH 1H 050B T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030009990 S CERAMIC C1608 CH 1H 200 4510004590 ELECTROLYTIC 16 MV 470 HC 4030006860 S CERAMIC C1608 JB 1H 102K T A 4550006130 S TANTALUM ECST1VY224R 4030007040 S CERAMIC C1608 CH 1H 180 4030008890 S CERAMIC C1608 JB 1C 273K T A 4610002150 S TRIMMER CTZ3S 10A W1 AF 4030008890 S CERAMIC C1608 JB 1C 273K T A 4030007010 S CERAMIC C1608 CH 1H 100D T A 4030006870 S CERAMIC C1608 JB 1H 222K T A 4030006860 S
31. CERAMIC C1608 JB 1H 102K T A 4030009490 S CERAMIC C1608 JB 1H 821K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030012600 S CERAMIC C2012 JB 1A 105M T A 4030008880 S CERAMIC C1608 JB 1C 223K T A 4030010770 S CERAMIC C1608 JB 1H 392K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030010770 S CERAMIC C1608 JB 1H 392K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030012600 S CERAMIC C2012 JB 1A 105M T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030012600 S CERAMIC C2012 JB 1A 105M T A 4030007020 S CERAMIC C1608 CH 1H 120 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030007020 S CERAMIC C1608 CH 1H 120 4030006900 S CERAMIC C1608 JB 1E 103K 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 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 4030007090 S CERAMIC C1608 CH 1H 470 4030007090 S CERAMIC C1608 CH 1H 470J T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CER
32. ERJ3GEYJ 103 V 10 ERJ3GEYJ 102 V 1 ERJ3GEYJ 104 V 100 ERJ3GEYJ 473 V 47 ERJSGEYJ 223 V 22 ERJ3GEYJ 103 V 10 ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 103 V 10 NTCCM1608 4BH 103KC ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 103 V 10 103 V 10 ERJ3GEYJ 103 V 10 103 V 10 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 100 ERJ3GEYJ 221 220 ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 273 V 27 ERJ3GEYJ 221 V 220 Q ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 104 V 100 ERJ3GEYJ 394 V 390 ERJ3GEYJ 124 V 120 ERJ3GEYJ 103 V 10 ERJ3GEYJ 221 V 220 ERJ3GEYJ 221 V 220 ERJ3GEYJ 103 V 10 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 333 V 33 ERJ3GEYJ 105 V 1 7030003680 7030003590 7030003560 7030003630 7030003640 4030006860 4030006860 4030011600 4030011600 4030006860 4030006860 4030006900 4030006900 4030011600 4510004630 4030006860 4030006900 4030011600 4030006900 4030006900 4510004630 4030006900 4030006900 4030011600 4510004440 4510004440 4030006900 4030011600 4030006900 6510021600 6510021440 6510021440
33. N C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C2012 JB 1A 105M T A C1608 JB 1C 473 C1608 JB 1C 104KT N ECEV1CA101UP ECEV1CA101UP ECEV1CA101UP ECEV1CA331UP C1608 JB 1E 103K T A ECEVOJA220SR C2012 JB 1A 105M T A C1608 JB 1E 103K T A C2012 JB 1A 105M T A C1608 JB 1H 471K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A ECEV1CA100SR C1608 JB 1A 224 C1608 CH 1H 470J T A C2012 JB 1A 105M T A C1608 JB 1C 104KT N ECEVOJA220SR C1608 JB 1C 104KT N ECEVOJA220SR C1608 JB 1C 104KT N ECEV1CA101UP C1608 JB 1C 104KT N ECEV1CA331UP C1608 JB 1C 273K T A C1608 JB 1 104 C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1H 471K T A C1608 JB 1H 102K T A C1608 CH 1H 470 C1608 CH 1H 470 C1608 JB 1E 103K T A C2012 JB 1A 105 B8B ZR SM3 TF B6B ZR SM3 TF A0119 LCD36 28 5 FY1101F TR LED FY1101F TR LED SML 311YTT86 FY1101F TR LED FY1101F TR LED SML 311YTT86 SML 311YTT86 5040002310 5040002310 7700002480 2260002140 2260002140 2260002140 2260002140 0910053142 8930051120 S LED S LED SML 311YTT86 SML 311YTT86 MICROPHONE SKB 2746 LPC S SWITCH S SWITCH S SWITCH S SWITCH SKQLLC SKQLLC SKQLLC SKQLLC PCB LCD CONTACT B 5526B SRCN 2320 SP N W S Surface mount SECTION 7 MECHANICAL PARTS 7 1 IC M502 CHASSIS PARTS LOGIC UNIT ORDER NO DESCRIPTION 6510004880 Antenna connector MR DS E 01 ORDER NO DESCRIPTION 22300
34. R118 C182 The de emphasis circuit is an inte grated circuit with frequency characteristic of 6 dB octave The integrated signals are applied to the active filters Q24 Q25 Q24 functions as a high pass filter to suppress unwanted lower noise signals and Q25 functions as a low pass filter to suppress higher noise signals The filtered signals are passed through the VOLUME con trol and are then applied to the AF power amplifier IC14 pin 1 The output signal from IC14 pin 4 drives the inter nal external speaker 4 1 6 SQUELCH CIRCUIT A squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch A portion of the AF signals from the FM IF IC IC1 pin 9 pass through the squelch adjustment pot R33 and are then applied to the active filter section IC1 pin 8 The active filter section amplifies and filters noise components The filtered signals are applied to the noise detector section and output from pin 14 as the signal The sig nal is amplified at the DC amplifier IC20 and applied to the CPU 16 39 as the SQL signal The CPU analyzes the noise condition and outputs the RMUTS signals to toggle the AF mute switches 026 027 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with
35. force of the variable components 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 40 dB to 50 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 TABLE 5 Q O ownmm O O O bo dg GB C4 o0 XT 10 11 11 11 11 11 O 0 O N oO WAN O Q OON SPECIFICATIONS INSIDE VIEWS 16 02 5 RR ede HM 127 OPTIONAL UNIT u DISASSEMBLY INSTRUCTION CIRCUIT DESCRIPTION RECEIVER GIRGUITS Gas Re e Rie 2 TRANSMITTER CIRCUITS citeai em oem RE ede Rs 4i rte
36. frequency The PLL output frequency is controlled by a crystal oscillator and the divided ratio of the programmable divider 2 is a dual PLL IC which controls both VCO circuits for Tx and Rx and contains a prescaler programmable counter programmable divider phase detector charge pomp and etc 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 and compares the phases of VCO sig nals with the reference oscillator frequency The PLL IC detects the out of step phase and output from pins 8 and 13 for Tx and Rx respectively The reference frequency 21 25 MHZ is oscillated at X2 4 3 2 TX LOOP The generated signal at the TX VCO Q7 D6 D8 enters the PLL IC IC2 pin 2 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 8 The pulse type signal is converted into DC voltage lock voltage at the loop filter 252 254 C292 C294 and is then applied to varactor diodes D6 D7 of the TX VCO to stabilize the oscillated frequency 4 3 3 RX LOOP The generated signal at the RX VCO Q8 D9 D10 enters the PLL IC IC2 pin 19 and is divided at the programmable divider section and is then app
37. rubber 452 UNPACKING ORDER NO DESCRIPTION 8900009751 Cable OPC 946A 8010018151 2345 mobile bracket 1 8010018241 2345 mobile bracket A 1 8610010560 2040 knob bolt 8610010590 2040 knob bolt A 8810001490 Screw 5 x 20 SUS 8850000180 Flat washer M5 SUS 8850000500 Spring washer M5 SUS 8950005110 2289 MIC hanger 8810004700 Screw x 16 SUS N N N N N N Screw abbreviations Self tapping PH Pan head NI Nickel SUS Stainless NI ZU Nickel zinc ZK Black wp N CTRL UNIT NO ORDER DESCRIPTION QTY J1 6510022440 Connector LTW 8MP C 1 MAIN UNIT REF ORDER DESCRIPTION QTY MP1 8510013150 2345 VCO case 1 N i NP41 CH p MP40 CH MP22 MP37 5 CH MP38 CH MP12 CH MP33 CH EX MP34 CH MP6 CH Ne MP18 CH MP35 LOGIC UNIT MP36 CH ARE SQL UNIT MP2 L MP21 CH DIAL UNIT MP7 CH MES RC 9 Unit abbreviations CHASSIS PARTS CT CTRL UNIT M MAIN UNIT 2 L LOGIC UNIT 7 2 126 CHASSIS PARTS REF ORDER MAIN UNIT DESCRIPTI
38. tette Qa aaa dus DSC CIRCUIT ze a bem POWER SUPPLY CIRCUITS uu u i etes LOGIC CIRCUITS ee Gee EP eV ia ae eS PORT AEBOGCATIONS nad opa ue dud i iav e weeds ADJUSTMENT PROCEDURES PREPARATION s cte ee doom Bet E RE M RR PEEADJUSTMENTS ge Pas ide n TRANSMITTER ADJUSTMENTS 2 RECEIVER ADJUSTMENTS 2 PARTS LIST MECHANICAL PARTS 502 SS 2050 Pi Sethe hh upas ee ea Pn ee hee Ee SEMI CONDUCTOR INFORMATION BOARD LAYOUTS UNIT rrt edt tec ge dr o dps dix ecc Seals tnt te dnt mig dte tete Pose sit d d urs SOL UNIF nC er RAP Euh e el a bp iei eG EOGIG UNIT uer ese a uda EE dac bk sup exe pautas MAIN UNIT m i ou unt iet uctus e ed ER Leer esos GTRE UNIT 2 228 IgE y BLOCK DIAGRAM VOLTAGE DIAGRAM BEN nete E oe Re RUE e rd cited apupas Ginn dees Se hea p spo des fe gt A A ih 5o uS Ro CER
39. 00250 Switch SPPH22014A 8900009720 Cable OPC 943 5030001880 LCD TSD0393 UFFDCW 8900009850 Cable OPC 969 8900009850 Cable OPC 969 8930052590 LCD contact SRCN 2345 SP N W 8210016830 2345 reflector 8930052000 2345 LCD holder 8930052630 2345 LCD filter 6950000420 Cover LTD 4 8 IC 8210017191 2345 front panel 1 assembly BLACK 8210017172 2345 front panel A 1 assembly WHITE 8210017150 2345 rear panel assembly BLACK 8210017160 2345 rear panel assembly WHITE 8410002400 2345 A heatsink 8930052060 2345 F packing 8930052050 2345 R packing 8610010851 Knob N279 1 BLACK 8610010891 Knob N279 A 1 WHITE 8610010861 Knob N280 1 BLACK 8610010901 Knob N280 A 1 WHITE 8930051970 2345 A bush plate 8510013460 2345 module cover assembly 8110007180 2345 shield cover 8930052280 O ring AC 8930052290 O ring AD 8930034300 1542 ANT seal 8930049320 2288 VENT sheet 8810008660 Screw PH BT x 8 NI ZU 8810008660 Screw PH BT M3 x 8 NI ZU 8810008660 Screw PH BT x 8 NI ZU 8810008660 Screw PH BT M3 x 8 NI ZU 8810008660 Screw PH BT M3 x 8 NI ZU 8810008660 Screw PH BT x 8 NI ZU 8810004540 Screw M3 x 8 SUS 8810004540 Screw M3 x 8 SUS 8850000690 Flat washer M3 3x7x0 5 SUS 8810006050 Icom screw E 7 8930052430 2345 clip 8930052440 2345 B IC clip 8930053030 2345 earth plate 8930053030 2345 earth plate 8010004340 Edging
40. 003280 7030003480 7030003480 7030003560 7030003430 7510001050 7030003680 7030003680 7030003680 7030004050 7030003560 7030003500 7030003610 7030003640 7030003690 7030003380 7030003680 7030003560 7030003560 7030003440 7030003560 7030003560 7030003560 7030000320 7030000320 7030000320 7030003380 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR 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 ERJ3GEYJ 563 V 272 V ERJ3GEYJ 103 V 104 V ERJ3GEYJ 104 V ERJ3GEYJ 104 V 104 V 104 V 104 V 473 V
41. 1608 CH 1H 240J T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1C 104KT N ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1H 472K 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 104KT N C1608 JB 1H 102K T A C1608 CH 1H 010B T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H 070D T A C1608 CH 1H 040B T A C1608 CH 1H 030B T A C1608 CH 1H OR5B T A C1608 CH 1H OR5B T A ECST1VY224R C1608 JB 1C 104KT N ECST1CY225R ECST1VY473R ECST1VY473R C1608 CH 1H 010B T A C1608 CH 1H 020B T A C1608 CH 1H 040B T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 CH 1H R75B T A C1608 JB 1H 102K T A C1608 JB 1A 224 C1608 JB 1A 224 C1608 JB 1C 104KT N C1608 JB 1A 224 C1608 JB 1C 104KT N C1608 JB 1A 224K T N 4030006900 4550006700 4030006860 4030006860 4550006700 4550006700 4030011600 4030007090 4030006900 4030006860 4030011600 4030006860 4030006900 4030009510 4030012600 4030011600 4030006900 4510004630 6330001620 6330001620 6510021300 6510018960 6510022020 6510022020 6510016430 6510018920 6510018960 8900010210 7030003860 7030003860 0910053352 ORDE NO S CERAM S TANTAL S CERAM S CERAM S TANTAL S TANTAL S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S ELECTROLYTIC
42. 25 7030003600 S RESISTOR ERJ3GEYJ 223 V 6110001130 COIL LA 149 7030003800 S RESISTOR ERJ3GEYJ 105 V 6110001600 COIL LA 243 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6110001670 COIL LA 253 7030001150 S RESISTOR MCR50JZHJ 150 151 6110001600 COIL LA 243 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q 6110001580 COIL LA 238 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6200004600 S COIL MLF1608D R15K T 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6200003960 S COIL MLF1608A 1ROK T 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 6200003960 S COIL MLF1608A 1ROK T 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 6200003640 S COIL MLF1608E 100K T 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 6200009520 S COIL LQS33N 1R0G04 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003270 S RESISTOR 390 39 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003720 S RESISTOR 224 V 220 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 7030003560 S RESISTOR 103 V 10 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003640 S RESISTOR ERJ3GEYJ 473 V 47
43. 30 RX 0 3V og P16 AD14 0 55 sgt 01 Re 5 1 TX 13 2V 98 P17 AD15 DVRH 2 t Henig mts DES R259 SRESET 1007 20 16 P72 126 ANY 19 a a T Loess LN 21 17 Pn R209 1k C292 3334 L SL 8 8258 9 2 7 R251 I Kot Bl 517 s 8 f 100k 228594995 2 Gb R210 J lt lt lt lt lt lt lt 55 15000 1 C300 L C301 R72 L19 120 ne 1 CQ 61 65 C 00 69 S TOSS 9 zz 0001T 0 1 0 001 47n 47n amp amp amp amp gt Dy 25 1069 10 ww AT c27 DSC d I I STRU STRU 9 2 256 Q So Tap R211 6212 109 SCON SCON 1 10 56k 27k 18 A d I tpe m Ds 2503775 25 2954 OPSTB 25852828 R257 6 5 5 5 s aS L 5V_ 4 1k 2 C110 8 Soror E 150 sis KNgexzasaTi TOI 54 t 4 LB 257 T Db D13 5 3 gs 8 voc AD BAND EXTENTION 0 047 1 bacs 78 7 GND D10 8 0 MA363B UTE 5 SDA vss SP HVS HIO R227 024 HV END 15k DA204U 5V 937 HE 4 2l 4 R gt MAIN BUS R223 C258 sera Q35 100k 01 R228 R229 DT
44. 38 3 1 20 VOL UNIT 6130 8p T 12 m 8 g Q21 Sh COF 6001 1 DTC144EU 928 175 C178 016 HSM88ASR 10 0 01 Vcc FMW1 1 R116 47 39V AW 026 7 VOLI 11 8763 J J HSM88ASR R117 1k 2SJ144 I ilz VBIAS 2 2 Amd 877 025 mos 9195 2 R133 R135 Iu 120 25 4116 470k Risog TO 1008 1 1 d Q18 R124 R125 C188 VW H00k 0 1 BU4066BCF L 560k 2 27 L 202 015 R84 2504116 33k 6190 1 VDD 114 MMIC DTC144EU nk RV 143 DTC144EU 6183 61 0 0039 CONTA 2 1 027 Ol CONT D 0 1 amp 024 9189 25 144 Vo HT to LOGIC 558 888 28 4116 R129 1 CONTB I cias R121 123 Rize 28127 470 R131 2SK1069 7 1 VEE 022 180k 350 S 22k Stok 100 256197 i gt 9 0039 C196 C200 3 C246 0 22 00099 T 01 R1347 E 01 T gt k HVS we 1 EB ril Se 9 HV EO 357 5V Eas 1 MAIN 9 BUS 046 25144 SMIC AV SMIC EAE SAFO 037 R281 R286 4 R29 DAP202U 820 5V A 100k 171 100k 2 68V W R176 Lc23s 25 235 Bye R155 R154 E E 47 0 4 10 VBIAS im 1M xS VBIAS 1 Te 5
45. 4 gt gt 5 7k SS 85550699 20k 10k rT AM A 1 zz R34 R64 lt lt lt 5 lt lt lt 4 5 2 25000 dk 3 9k 89388p9288 SE SSREPEDS c3 R52 cis oni 39k 22 IU T EI EI n ee CONT1 EH E CONT2 J meg CONT3 167 RMUTE X 5 80928 11 our cp 27k BEEP 2 VDD 3 UP R50 vss NC 0 027 4 100k DOWN R11 RTXDA 100k RESET SV 09 PWR 2SK1069 R56 ai VCCSW 25 4081 8 R57 VPP 47 RRXDA ev AM 3 lt lt 6 i R58 t J 5 47 1 E SRXD Ice R55 an 54 S 47k 28 1576 2 RESET SRXD i TC7W14FU n 3 TXD STXD 4 STXD 2 GND 11 4 126 MC1 1 KUC2123 030245 c UP ON 2 0V T 470p DN ON 3 0V HLON 3 8V W1 CHASSIS SP1 S36G04K 4 R5 15 Ji 83 2 i 1 GREEN GREEN 1 toLOGIC unit J1 2 PKGND BROWN BROWN 2 IC M501EURO E 5 RED 4 5 5 OUT smc WHITE 5 GND 51 SKHHLP014A BLUE 3
46. 5 8 5 R156 C338 1 5 5252 L 1 lt 160 1M 217 _ RIO 7 a BT De T VDD m NJM4558M GN On 2 2 7 029 152 gt ep Ol CONT A DTC144EU R151 NUM4558M 5 I cd R165 L 31 on coNrp TZ 1 1 7 GND 150k gt 0 VO 6 DATA SDATA IC13B CONTB Ol Ri OPTIN OPTIN R169 NJM4558M 15 c C213 47p C212 OPSTE OPSTE P Optional 5 BA S ve 2k 5 022 SCON MO P tios 7 3 i 12k ca82 ww 9219 6319 1612 E C203 0 1 GND P 71701 6172 1 jH BU4066BCF 0 1 MICDSC 1M 1 GND RV 110 1 1524 mu m C204 0 1 GND C279 L C229 0228 C227 56 0 001 T 47 0 0027 8 5 VOL2 1 nt m 1 gt 1 MOO cae 2 0239 T DETO A DETI 5V t 35 n ME 45V D38 R14 1k p DAP202U PTT 9 WW HANG 2 Ki R298 RMUTM R140 100 3 8272 FTR F3AA012E C337zZ 10k ANG AW MIC 4 SP MIC 22k IC14 10 1 C240 4425 023 1 pene JHANDSET GND 5 R177 R179 1 1 R260 R299 E SPMIC 7 15k 1M 18k 10k mum 032 LH C209 L 0208 C207 te on C238 Ead 25 4116 Q47 QD LN ma 3 T 470p T 0 001 oie 0 01 16 03 8180 47 DTC144EU 22k R300 DA204U DA204U 1 m C245 n m 0 1 H
47. 538 615 8 5 8955 06 875 08 ENOS LLNOO 62 70 7535 62 275 28 62 203 67 000 535 82 973 555 Lp HNOO 609 Eno lt 02935 22 095 ves ns ag 09935 91 06 65955 92 6 5 TES 1935 64936 r 6653 86955 52 5 SZ 2935 8993S r 6538 76935 yz 255 265 yz 26935 5955 2935 91 953 95955 5 98S LES 1654 7938 9993 05955 22 OES 425 5293 95995 9935 9i 54 62935 12 625 res EZ 1203 993 75935 2558 82035 02 825 5 2935 8993S r 5555 72035 611225 225 169 22 8935 24936 6 25532 gt 52935 811926 128 gg 1293 6935 9035 53 0299 71025 918 79 51936 01535 05935 Z 05 25 6L53S 911615 99 1535 67985 5 6938 81535 511815 55 21535 87956 IDES 11535 1215 v9 21 19936 7535 91535 51915 115 Teg 1935 71995 9955 955 ge 01535 211015 505 29 5535 91935 9939 Z E 653 TL 608 pos m 1933 EE 77035 53 tr 0 7538 5205 208 Be 38884885889559 2 355 7 z 6710 69 29 00000000000000 9 019 229 95 22005 HNOJ 129 66 TENO ohbbb xlote bo 71210 029 020 ra 19 819 61009 S a PINO 819 es 8HNOD H 5 SHAOO 1919 419 MO 8 9 uu o T 11 2 UNIT MAIN UNIT
48. 560 7030003560 7030003680 7030003750 7030003690 7030003560 7030003360 7030003360 7030003560 7030003500 7030003620 7030003800 S IC S IC S FET S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S ZENER S CERAMIC S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR pPD78F9418AGK 9EU HD66712SA03FS 2SK1069 4 TL 25 4116 TE85R 2581132 T100 R 2SK1069 4 TL DTA144EUA 106 DTC144EUA T106 25 4116 TE85R MA8043 L TX CSTCC4 91MG ERJ3GEYJ 473 V 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 473 V 47 ERJ3GEYJ 103 V 10 ERJSGEYJ 473 V 47 ERJ3GEYJ 123 V 12 ERJSGEYJ 152 V 1 5 ERJ3GEYJ 103 V 10 NTCCM1608 4BH 103KC ERJ3GEYJ 103 V 10 ERJ3GEYJ 203 V 20 ERJ3GEYJ 103 V 10 ERJ3GEYJ 183 V 18 ERJ3GEYJ 103 V 10 ERJ3GEYJ 203 V 20
49. 6 dB octave pre emphasis from the microphone to a level needed at the modulation circuit The AF signals from the microphone are amplified at the microphone amplifier IC11a via the analog switch IC10 pins 11 10 A capacitor C214 and resistor R147 are con nected to the amplifier to obtain the pre emphasis charac teristics APC circuit RF signal from PLL Power module The amplified signals are applied to the IDC amplifier IC13a pin 2 via the analog switch IC12 pins 9 8 and pins 4 3 and are passed through the splatter filter IC13b to suppress unwanted 3 kHz or higher signals The filtered sig nals are then applied to the modulation circuit 4 2 2 MODULATION CIRCUIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals Audio signals from the splatter filter IC13b pass through the frequency deviation adjustment pot R172 and are then applied to the modulation circuit D8 to change the reac tance of D8 and modulate the oscillated signal at the TX VCO Q7 4 2 3 DRIVE ANPLIFIER CIRCUIT The drive amplifier circuit amplifies the VCO oscillating sig nal to a level needed at the power amplifier The VCO output is buffer amplified by Q9 and Q10 and is then applied to the Tx Rx switch D12 The transmit signal from the Tx Rx switch is amplified to the pre drive Q11 and drive Q12 amplifiers to obtain an approximate 200 mW sig na
50. 6510022020 5030001880 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 5040002310 2230000250 8930052590 0910052903 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 ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CONNECTOR S CONNECTOR S CONNECTOR S CONNECTOR LCD LE LE LE LE LE LE 02 02 02 02 02 NONO SWITCH LCD CONTACT PCB ERJ3GEYJ 104 V 100 ERJ3GEYJ 183 18 ERJ3GEYJ 103 10 ERJ3GEYJ 393 39 ERJ3GEYJ 473 47 C1608 JB 1H 102 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 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N ECEV1CA100SR C1608 JB 1H 102 C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1E 103K T A ECEV1CA100SR C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N ECEV1HA010SR ECEV1HA010SR C1608 JB 1E 103K T A C1608 JB 1 104KT N C1608 JB 1E 103K T A S2B PH SM3 TB B6B ZR SM3 TF B6B ZR S
51. 7 PORT ALLOCATIONS 4 7 1 SUB CPU LOGIC unit IC1 Pin number Description LRESET Output ports for the LCD driver IC2 E RW RS control signals DB7 I O port for the LCD driver 2 control DBO signals SCAN Input port for the SCAN key CHWX Input port for the CH WX key CH16 Input port for the 16 9 key SQLV Input port for the squelch volume level Input port from the microphone HM KEYM 126 for remote control signal DIALA DIALB Input ports for the CHANNEL Outputs communication data for main SRXD MAIN unit IC16 Input port for the communication data STXD from main CPU MIAN unit IC16 pulses Output port for the LCD contrast DTRS Input port for the DISTRESS key Input port for the LO DX key Input port for the DSC ENT key Input port for the HI LO key DIM3 Output LCD backlight control signal for DIM1 dimmer circuit Q2 Q8 2 Output port for the LCD contrast 4 7 2 MAIN CPU MAIN unit 1 16 Pin number Outputs control signal to the analog Switch IC12 for passing through the optional VOICE SCRAMBLER unit UT98 UT 112 Outputs ON OFF control signal for the optional VOICE SCRAMBLER unit UT 98 or UT 112 Outputs strobe signals for the optional OPSTB VOICE SCRAMBLER unit UT 98 or UT 112 Outputs strobe signals to PLL IC IC2 pin 2
52. 7030003450 7030003590 7030003630 7030003590 7030003800 7030003800 7030003640 7030003800 7030003800 7030003800 7030003290 7030003600 7030003620 7030003800 7030003570 7030003670 7030003800 7030003680 7030003700 7030003670 7030003670 7030003560 7510001150 7030003570 7030003570 7310002600 7030003590 7030003620 7030003550 7030003280 7030003580 7030003450 7030003800 7030003600 7030000100 7030003630 7030003630 7030003680 7030003680 7030003680 7030003800 7030003750 7030003800 7030003200 7030003680 7030003490 7030003610 7030003680 7030003680 7030003680 7030003680 7030003680 7030003680 7030003700 7030003640 7030003680 7030003440 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S THERMISTOR 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 R
53. 77 7030003420 S RESISTOR ERJ3GEYJ 681 680 1790000620 S DIODE MA77 7030003320 S RESISTOR ERJ3GEYJ 101 100 1790001210 S DIODE 188375 TL 7030003300 S RESISTOR ERJ3GEYJ 680 V 68 1720000260 S VARICAP 15 214 TPH2 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Q 1720000260 S VARICAP 1 214 TPH2 7030003280 S RESISTOR 470 V 47 1720000260 S VARICAP 15 214 TPH2 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 1160000050 S DIODE DAP202U T107 7030003640 S RESISTOR 473 V 47 1160000050 S DIODE DAP202U T107 7030003440 S RESISTOR 102 V 1 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7410000950 S ARRAY EXB V8V 102JV 2010002420 MONOLITH FL 310 21R15AB 7030003660 S RESISTOR ERJ3GEYJ 683 V 2010002420 MONOLITH FL 310 21R15AB 7030003420 S RESISTOR 681 V 2020001680 CERAMIC ALFY450E 7030003320 S RESISTOR 101 V 7030003320 S RESISTOR 101 V 7030003500 S RESISTOR ERJ3GEYJ 332 V 6070000210 S DISCRIMINATOR 450 24 7030003480 S RESISTOR ERJ3GEYJ 222 V 6050010800 S XTAL CR 659 21 25 MHz 7030003360 S RESISTOR 221 V 6050011030 S XTAL 26 32 768 7030003440 S RESISTOR ERJ3GEYJ 102 V 6050010290 S XTAL 610 7 9872 7030003480 ERJ3GEYJ 222 V 7030003270 S RESISTOR ERJ3GEYJ 390 V 7030003480 S R
54. 800 MHz Level 0 18 uV 122 dBm Modulation 1 kHz Deviation 113 5 kHz Receiving This output level of a standard signal generator 550 is indicated as SSG s open circuit IL u mn Dr R33 Squelch adjustment e 14 2 Receive sensitivity Ps E point N lt Receive sensitivity 2 a adjustment CP5 Squelch check point 6 PARTS LIST 6 1 1 502 UNIT ORDE NO DESCRIPTION LOGIC UNIT ORDE NO DESCRIPTION 1140009280 1140008960 1560000810 1530002850 1520000460 1560000810 1590000720 1590000430 1530002850 1790001010 6060000750 7030003640 7030003560 7030003640 7030003560 7030003640 7030003570 7030003460 7030003560 7510001150 7030003560 7030004120 7030003560 7030003590 7030003560 7030004120 7030003560 7030003440 7030003680 7030003640 7030003600 7030003560 7030003460 7030003560 7510001150 7030003560 7030003560 7030003560 7030003560 7030003560 7030003560 7030003560 7030003680 7030003680 7030003680 7030003680 7030003680 7030003360 7030003360 7030003360 7030003360 7030003560 7030003560 7030003610 7030003
55. 98 22 22 R67 901 Q1 IM TC4W53FU 4 D 2SK1069 1 8 R76 2 7 R24 L 3 6 601 20 12k Fi 5 J ANN 4 4 2 Ics 4 25 1132 781 05 23 Fes ME d C47 E 10k 22 sv vcc 470P ANN Ww 0 12 RDAT 21 5 010 21 s10 Paoro 80 IDA 69 9 22 P41 KR1 wi 01 511 78 VOCS 4 5 SEG12 23 12 P42IKR2 VT DIMT R27 SEG13 24 543 DIMZ 10k 1 5 14 25 514 P44 KR4 DIM3 p 0815 2 5 015 26 515 5 5 3 5 16 27 4 pae 34 NTCCM16084BH 03 155355 R68 100 ji PTIC 4 SEG18 29 2 C6 0 01 050 4 AW RIXDA SEG19 e vppo EI papri R59 Rei vec 0 001 RRXDA 0 5 90 519 hPD789405AGK A30 9EU 70 CETT 15k 39k R63 PWRC z 5 020 31 vsso sSsSI 0 1 8 P87 S20 69 AW SEG21 32 P86 S21 1 0 10k 6 SEG22 33 p85 S22 X RUM x 777 R28 R60 4 SEG23 34 P84 S23 RESET 65 Hw CSTCC4 91MG 20k 10k 639 00 2204 C51 47 5 024 35 P46 4 01 100 P83 S24 65 AM 47p SEG25 36 P47 3 82 525 64 H SEG26 81 526 POO 63 VOL R30 R29 012 SEG27 38 Psos27 55 1 19 10 2SC4116 39 2 51 SQL AM 4 40 AVREF o amp R62 02 R69 8 x R31 DAN202U 100 uma CP1
56. A444EU 285 COPTEUS CLTX SMIC SAFO 1 RRXD MOD 4 Q36 TCF3 100k DTC144TU SPI UART BUS ook gt CUBA TorFLASH R233 IN y 1 1 18 1k TC7W14FU R230 mE AW 1 FODE 949 s060 e 74 47 i 13 ws Y 4 TRES ShecflA e T w GES 41 e e Took 10 PTT ON 0V SINO PE 4 AE T MDDA MBDA 18 MDDA 1 8 DSV PTT OFF 4 95V 8235 038 DATAS G DMDA 3 1 2 7 SMIC K 28 4081 d 5 e 43 10 wi 3 6 4 MDA CMDA 5 9 p CMDA 1MS iM 4 5 MCDA z 35795 a 3 Boy m f R231 _ 9 Gon 766 985 T 470 n nose VS 9881576 DSCMOD d 10 5 A C13 1 AM 68k SAFO 11 Jed 4 SAFO 012 J T 1 GND 12 3 1 175 1 NMEAI 027 6263 13 2 SMIC 4 EXT GPS 1 PAMEN 155355 MICG 14 1 1 R240 lt lt R239 Ka J4 100k 2 100k 5 pm 2 PPS EXTRXD 3 UEDA MICG from ele E 7 SRESET I unitJ4 8 MA8062 0 01 GND 9 e 10 elI 11 12 13 4 1 CTRL UNIT 14 2
57. AMIC C1608 JB 1C 104KT N 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N S Surface mount MAIN UNIT ORDER DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 4030007090 4030006860 4030006850 4030006900 4030006850 4030011810 4030007090 4030008900 4030006850 4030006900 4030011600 4030011600 4030011600 4030011600 4030007050 4030006860 4030010770 4030007120 4030008470 4030007090 4030006900 4510004630 4030011600 4030006900 4510004630 4030011600 4030006900 4030012600 4030012600 4030006860 4030011600 4510004590 4510004590 4030011600 4030011810 4030008890 4030007010 4030007070 4030009650 4030009650 4030011600 4030006900 4030011600 4510004630 4030011600 4030011600 4030011600 4030011600 4030006880 4030006860 4030006860 4030006860 4030006860 4030006860 4030011600 4030006860 4030009510 4030006860 4030011600 4030006980 4030009910 4030009530 4030009500 4030009500 4550006130 4030011600 4550006560 4550006810 4550006810 4030009510 4030009520 4030009910 4030006860 4030011600 4030009560 4030006860 4030011810 4030011810 4030011600 4030011810 4030011600 4030011810 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 ELECTROLYTIC S CERAM
58. B 471K 50V 1130007420 S IC TC7W14FU TE12L 1130006220 S IC TC4W53FU TE12L 6510003550 CONNECTOR S07B EH S 1560000810 S FET 28K1069 4 TL 1520000460 S TRANSISTOR 28B1132 T100 R 7700001600 MICROPHONE KUC2123 030245 1530002850 S TRANSISTOR 25 4116 TE85R 1590001390 S FET 25 144 TE85R 1590000430 S TRANSISTOR DTC144EUA T106 2260000980 SWITCH SKHHLP014A 1590000980 S TRANSISTOR DTB123EK 1147 2260000080 SWITCH SKHHAM024A 1560000810 S FET 28K1069 4 TL 2260000080 SWITCH SKHHAM024A 1530002060 S TRANSISTOR 25 4081 1107 R 2260000080 SWITCH SKHHAM024A 1510000510 S TRANSISTOR 25 1576 T106R 1530002850 S TRANSISTOR 28C4116 BL TE85R 2510000930 SPEAKER SU 36W08040C 1750000130 S DIODE DA204U T107 1160000060 S DIODE DAN202U T107 0910052553 PCB 5431 1750000550 S DIODE 155355 17 9029701901 IRRAX 0 7 d 1 4 mm 6060000750 S CERAMIC CSTCC4 91MG 7030000270 S RESISTOR MCR10EZHJ 120 121 7030000270 S RESISTOR MCR10EZHJ 120 Q 121 7030000280 S RESISTOR MCR10EZHJ 150 151 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003680 S RESISTOR ERJ3GEYJ 104 V 100
59. E C2 0 EB eru w 07 Y 9 gt BD Em s LB 8 158 2 E B Bcc 59 HU E Bez em pa 9 dg 5 b amp ES wd BE 5 pm BESTE dm 4 5 x 5 4 o GND 5 BEES E ta oA IB gt BR ERAS laine na zu 8 5 80 8D BE z 18 BB Zi Um c 0815 r1 SH lt BOR y EJ m EB n l ie gt 11 a E ey HER CO BH Ww gt gg H gt mo ic m CY E d qb 07 au mm a 3 Ail En ta e 0 B Ananin 89 finan n fs Jol n n Qu 50 80 1540 en E im VlVGdS f col m M98 D 8H S o GE EON H CU 1 o ows 9 921 g T ONIS 0105 s i SGOWL H gt u
60. EASUREMENT ADJUSTMENT UNIT LOCATION UNIT Operating channel ch16 Connect a digital Receiving multi meter oscil loscope to check point CP1 ADJUSTMENT ADJUSTMENT CONDITION Operating channel Receiving Operating channel Connect a digital Output power multi meter or oscil Transmitting loscope to check point CP2 Operating channel ch116 Output power Low Transmitting REFERENCE 1 Operating channel ch16 Loosely couple the 156 8000 MHz Output power Low frequency counter Connect an RF power meter or a to the antenna con 50 dummy load to the antenna nector connector Transmitting L10 Lock voltage CP2 adjustment for TX Lock voltage check point for TX L13 Lock voltage C70 adjustment for RX Reference frequency adjustment CP1 Lock voltage check point for RX 5 3 TRANSMITTER ADJUSTMENTS ADJUSTMENT OUTPUT POWER ADJUSTMENT CONDITION Operating channel ch16 Output power High Transmitting MEASUREMENT UNIT LOCATION Connect an power meter to the antenna connector ADJUSTMENT POINT UNIT ADJUST FREQUENCY DEVIATION Operating channel ch16 Output power Low Connect an audio generato
61. 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 ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 564 V 560 ERJ3GEYJ 184 V 180 ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 331 V 330 ERJ3GEYJ 333 V 33 ERJ3GEYJ 333 V 33 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 104 V ERJ3GEYJ 474 V 470 ERJ3GEYJ 474 V 470 ERJ3GEYJ 104 V ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 102 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 272 V 2 7 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 102 V 1 ERJ3GEYJ 105 1 ERJ3GEYJ 153 V 15 ERJ3GEYJ 183 V 18 ERJ3GEYJ 105 V 1 ERJ3GEYJ 122 V 1 2 ERJ3GEYJ 183 V 18 ERJ3GEYJ 393 V 39 ERJ3GEYJ 183 V 18 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 473 47 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 1 ERJ3GEYJ 105 1 ERJ3GEYJ 560 56 ERJ3GEYJ 223 22 ERJ3GEYJ 333 33 ERJ3GEYJ 105 1 ERJ3GEYJ 123 12 ERJ3GEYJ 823 82 ERJ3GEYJ 105 1 ERJ3GEYJ 104 100 ERJ3GEYJ 154 150 ERJ3GEYJ 823 V 82 ERJ3GEYJ 823 82 ERJ3GEYJ 103 V 10 1608 4 103 ERJ3GEYJ 123 12 ERJ3GEYJ 123 12 RV 110 4
62. ESISTOR ERJ3GEYJ 222 V 6150003820 15 440 7030003390 S RESISTOR ERJ3GEYJ 391 V 6150003820 15 440 7030003560 S RESISTOR ERJ3GEYJ 103 V 6150003820 15 440 7030003560 S RESISTOR ERJ3GEYJ 103 6150003820 15 440 7030003320 S RESISTOR ERJ3GEYJ 101 V 6200002410 S COIL NL 252018 056 7030003200 S RESISTOR ERJ3GEYJ 100 6200004700 S COIL MLR1608M R10K T 7030003440 S RESISTOR 102 V 6200003320 S COIL NL 322522T 3R3J 3 7030003320 S RESISTOR 101 V 6130002370 S COIL LB 258 7030004700 S RESISTOR MCR18EZHJ 10 Q 6200003090 S COIL NL 322522T 2R7J 3 7030003440 S RESISTOR ERJ3GEYJ 102 V 6200003100 S COIL NL 322522T 3R9J 3 7030003200 S RESISTOR 100 V 6130002360 S COIL LB 257 7030003640 S RESISTOR ERJ3GEYJ 473 V 6200003090 S COIL NL 322522T 2R7J 3 7030003530 S RESISTOR 562 V 6200004700 S COIL MLR1608M R10K T 7030003500 S RESISTOR ERJ3GEYJ 332 V 6200004700 S COIL MLR1608M R10K T 7030003560 S RESISTOR 103 V 6200002430 S COIL NL 252018T 082J 7030003340 S RESISTOR 151 V 6200002430 S COIL NL 252018T 082J 7030003480 S RESISTOR ERJ3GEYJ 222 V 6200002600 S COIL NL 252018T 047J 7030003480 S RESISTOR ERJ3GEYJ 222 V 6200002600 S COIL NL 252018T 047J 7030003560 S RESISTOR 103 V 6110001600 COIL LA 243 7310002670 S TRIMMER RV 143 6170000230 COIL LW
63. GEYJ 105 1 ERJ3GEYJ 105 1 ERJ3GEYJ 105 1 ERJ3GEYJ 104 100 C1608 JB 1E 103K T A C1608 JB 1E 103K T A ECEV1CA100SR C2012 JB 1A 105M T A C2012 JB 1A 105M T A C2012 JB 1A 105M T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A LTW 8MP C 14FLT SM1 TB 5471 1110003200 1130007610 1150001540 1110003750 1110003650 1130007420 1110002030 1180001070 1130007690 1110003750 1130007690 1110003750 1110003090 1110004710 1140009270 1140008650 1130007420 1170000280 1120002830 1120002830 1580000700 1580000490 1530002360 1530002600 1560000540 1560000330 1560000330 1530002600 1530002600 1530002240 1530002340 1520000380 1590000430 1590000670 1590000430 1530002850 1520000460 1590000430 1520000460 1590000430 1530002850 1530002850 1590001390 1590001390 1560000810 1590000430 1530002850 1590000430 1530002850 1560000810 1590000720 1590000720 1590000660 1590000660 1530002060 1510000510 1560000810 1590000720 1590000720 1530002850 1530002850 1590001390 1530002550 1720000260 1720000260 1720000260 1720000260 1790001330 1790000640 1790000640 1790000640 1790000640 1790000640 1790000620 1790000620 1750000550 1790000690 1790000690 S IC S IC S IC S IC S IC S IC S IC S IC S IC S IC IC S IC S IC S IC S IC S IC S IC S IC S FET S FET S TRANSISTOR S TRANSISTOR S FET S FET S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S T
64. HJ 330 Q MCR10EZHJ 330 Q 331 ERJ3GEYJ 331 V 330 S Surface mount MAIN UNIT MAIN UNIT DESCRIPTION DESCRIPTION 4030009510 S CERAMIC C1608 CH 1H 010B T A 4030007040 S CERAMIC C1608 CH 1H 180J T A 4030007010 S CERAMIC C1608 CH 1H 100D T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009570 S CERAMIC C1608 CH 1H 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007030 S CERAMIC C1608 CH 1H 150J T A 4030009510 S CERAMIC C1608 CH 1H 010B T A 4030009520 S CERAMIC C1608 CH 1H 020B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4550002830 S TANTALUM TESVD2 1V 685M 12R 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030007050 S CERAMIC C1608 1H 220 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007040 S CERAMIC C1608 CH 1H 180 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007080 S CERAMIC C1608 CH 1H 390 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007040 S CERAMIC C1608 CH 1H 180 4030006850 S CERAMIC C1608 JB 1H 471K T A 4510006240 SSELECTROLYTIC ECEV1CA221P 4030009540 S CERAMIC C1608 CH 1H 1R5B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007030 S CERAMIC C1608 CH 1H 150 4510004440 S ELECTROLYTIC ECEV1HA010SR 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900
65. IC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ELECTROLYTIC ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC 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 CERAMIC S TANTALUM 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 C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1H 471K T A C1608 JB 1E 103K T A C1608 JB 1H 471K T A C1608 JB 1A 224K T N C1608 CH 1H 470J T A C1608 JB 1C 333K T A C1608 JB 1H 471K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 220J T A C1608 JB 1H 102K T A C1608 JB 1H 392K T A C1608 CH 1H 820J T A C1608 JB 1H 272K T A C1608 CH 1H 470J T A C1608 JB 1E 103K T A ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1E 103K T A ECEV1CA100SR C1608 JB 1C 104KT N C1608 JB 1E 103K T A C2012 JB 1A 105M T A C2012 JB 1A 105M T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N 16 MV 470 HC 16 MV 470 HC C1608 JB 1C 104KT N C1608 JB 1A 224 C1608 JB 1C 273K T A C1608 CH 1H 100D T A C1608 CH 1H 330J T A C1608 CH 1H 240J T A C
66. IC GRM42 6 101 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011770 S CERAMIC C1608 CH 1H 060B T A 4030006900 S CERAMIC C1608 JB 1E 103 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAMIC C1608 JB 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030008880 S CERAMIC C1608 JB 1C 223K T A 4030008850 S CERAMIC C1608 JB 1C 123K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008900 S CERAMIC C1608 JB 1C 333K T A 4030007080 S CERAMIC C1608 CH 1H 390J T A 4030008900 S CERAMIC C1608 JB 1C 333K T A 4030007080 S CERAMIC C1608 CH 1H 390 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008920 S CERAMIC C1608 JB 1C 473K T A 4030011810 S CERAMIC C1608 JB 1A 224K T N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011810 S CERAMIC C1608 JB 1A 224K T N 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 4340000020 S MYLAR ECWU 1C 333JB5 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030007130 S CERAMIC C1608 CH 1H 101J T A 4030006870 S CERAMIC C1608 JB 1H 222K T A 4030007090 S CERAMIC
67. IF filter FI3 ALFY450E 1st mixer 3SK166 FM IF IC IC1 TA31136FN Main MPU 16 MB90F583BPFV G System clock X3 DMX 26S 36 768 kHz X4 CR 610 7 9872 MHz Located under side of the point Reset IC 15 5 80928 LOGIC UNIT N SUB MPU System clock uPD789405AGK A30 9EU X1 CSTCC4 91MG 4 91 MHz Wa DIAL UNIT LCD driver IC2 HD66712SA03FS SQL UNIT VOL UNIT Speaker 2 2 127 OPTIONAL UNIT VIEW LCD DS1 A0119 BOTTOM VIEW System clock X1 CSTCC4 91MG CPU IC1 uPD789405AGK A30 9EU Data buffer circuit Dimmer circuit Reset IC IC7 S 80928ANMP 8V regulator IC6 TA7808F Volume IC IC5 TA78L05F IC3 M62429FP switch le IC9 TC4W53FU I v E amplifier MIC amplifier E 2 7368 IC4 NJM2125F SECTION 3 DISASSEMBLY INSTRUCTION CAUTION DISCONNECT the DC power cable from the transceiver before performing any work on the trans ceiver Otherwise there is danger of electric shock Z equipment damage SN transceiver case D Unscrew 6 screws remove the front unit 2 Unscrew 6 screws remove the rear panel Removing the LOGIC unit D Unsolder 2 point 2 Disconnect microphone connector from J1 SQL DIAL connector from J3 3
68. M3 TF 14FLT SM1 TB TSD0393 UFFDCW SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SML 311YTT86 SPPH22014A SRCN 2345 SP N W 5427 S Surface mount VOL UNIT ORDER DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7210003080 6510009470 8900009860 0910053363 SQL UNIT ORDER NO VARIABLE CONNECTOR CABLE PCB TP96N97 15F 10KA 2345 S3B ZR OPC 970 5428 DESCRIPTION 7210002360 8900009870 0910053372 DIAL UNIT VARIABLE CABLE PCB TP96N97 15F 10KB 1301 OPC 971 B 5429B DESCRIPTION 2250000220 0910053382 CTRL UNIT ORDE ENCODER PCB TP90N937E20 15F 1540 B 5430B DESCRIPTION 1130005640 1730002360 7030003680 7030003680 7030003800 7030003800 7030003800 7030003680 4030006900 4030006900 4510004630 4030012600 4030012600 4030012600 4030006900 4030006900 6510022440 6510022020 0910052823 S IC S ZENER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC CONNECTOR S CONNECTOR PCB TC4W53F 121 8062 ERJ3GEYJ 104 100 ERJ3GEYJ 104 100 ERJ3
69. ND GND 8V MLDA HVS to HM 126 J2 to SQL and DIAL units to MAIN unit J4 5 MAIN UNIT 9 TOP VIEW
70. OARD 09 010 6 DTC144EU Ce SQLV Loar gt 7 61 2 qw 166 uPD789405AGK A30 9EU l 2 4 VR 020 2881132 IC8 RL1 019 T8 Q21 DTC144EU TA7808S FTR F3AA012E 054341 162 REVERSE 022 2881132 R8 18 8 PWR LCD SORMEN 491 2 77 2 023 144 CTRL CTRL REL 9 CONNECT LCD DRIVER pM A p LooP pl IC9 Q7 25 210 qs 4 T8 TA7805F 06 08 MA363B 4 9 01 04 LCD 291068 CONT D23 155395 IC13B RL2 FTR F3AAO12E NJM4558M NJM4558M LOGIC UNIT DA 1 Q2 25 4116 HVS HV Q3 28B1132 MUTE ic 1 Ds2 Dsi7 08 2504116 SML 311YT LA4425A gt DIM SP CTRL BUFF BEEPM 05 DTA144EU Q6 026 DTC144EU 55144 037 DTC144TU 035 DTA144EU 1015 MAIN UNIT 024 DA204U Q36 DTC144TU S 80928ANMP IC10 CLONE BU4066BCF pu lt ci v BUFF RESET 1 16 27 o i 027 024 25 BU4066BCF 25 250144 25 4116 IS DMX 26S gt o H BPF gt 32 768 kHz 1 1 0 1 MPU AMP 1 1 TC11B I NJM4558M k ae 7 9872 MHz 1 1 X4 6 gt 1 CR 610 MB90F583BPFV G CHA p 1 18 TC7W14FU Icir 4558 1 1 040 2SK1069 BUFF EEPR
71. OM HN58X24641 lt DSC BUFF 033 28 1069 eR 1 AFIMIC 10 OPTION Jed ie E PTTC EXTRXD EXTTXD 5 MIC 1 028 2 1 PWRC ICF3 1 391089 OPTION 4 COMMON LINE LINE I RX LINE lt 1 lt TXLINE E 1 BUS 1 1 10 1 to MAIN unit to Internal Speaker OSP 11 1 O 7 000000 2 88 2 gt 22222 32 58 g
72. ON REF NO ORDER NO DESCRIPTION 7 3 127 OPTIONAL UNIT CHASSIS PARTS ORDER DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 8900009770 8900009780 Cable OPC 948 Cable OPC 949 BLACK 7700002120 WHITE 2510001070 8210016861 8210016961 8210016850 8210017110 8930052160 8930052150 8930052140 8930052690 8930052120 8930052110 8610010870 8310048760 8310048780 8820001150 8850001850 8930052340 8930052350 8930053870 8930053040 8850001610 8810009260 8810008900 8810009240 8930053850 2352 front panel 1 2352 front panel A 1 2352 rear panel 2352 rear panel A 2352 key 2352 PTT rubber 2352 PTT holder 2352 MIC rubber 2352 rubber 2352 main seal 2352 hanger knob 2352 R plate 2352 MIC plate 2352 screw ICOM washer Y O ring AE O ring AF 2352 sheet A 2352 SP net Spring washer M4 SUS Screw PH BT 2 x 6 NI Screw PH M3 x 6 NI Screw M4 x 10 ZK 2352 SP rubber BLACK WHITE BLACK WHITE Screw abbreviations pi CH a MAIN UNIT M ONE CH 21 CH So 6 10 16 MP20 CH MP3 CH 7 11 126 2123 030245 Speaker S36G04K 4 BT Self Tapping NI Nickel NI ZU Nickel zinc MP9 CH MP15 CH MP12 CH MP13 CH MP14 CH MP2 CH MP4 CH MP5 CH PH Pan head 505 Stai
73. PLL IC 8 Phase Programmable 2 detector counter 4 M 2 21 25 MHz 16 Programmable 4 divider N data latch 5 DATA 21 25 MHz signal Ui IZ to the FM IF IC 5 i ase rogrammable Prescaler detector counter 4 4 DSC CIRCUITS DSC UNIT 4 4 1 DSC ENCODE CIRCUIT The DSC signal created at CPU IC16 is passed through the buffer amplifier Q33 and applied to the analog switch 12 1 The analog switch IC12 is a modulation switch that switches between microphone audio signal and DSC signal 4 4 2 DSC DECODE CIRCUT signals from FM IF IC 9 filtered at the bandpass filter 4 with 18 dB octave characteristics IC4b functions as a low pass filter to suppress unwanted higher noise signals and IC4a functions as a high pass filter to suppress lower noise signals The filtered signals are con verted analog signals into digital signals at DSC decoder IC5 and are then applied to the CPU IC16 after shaping waveform at IC6 4 5 POWER SUPPLY CIRCUITS 4 5 1 VOLTAGE LINE MAIN UNIT LINE DESCRIPTION The voltage from the connected DC power sup ply Same voltage as the HV line which is passed through the PWR switch LOGIC unit 51 Same voltage as the HVS line which is passed through the power controller RL1 Common 8 V converted from the VCC line at the 8V regulator circuit 1 8 Common 5 V converted from th
74. 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 01227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 561 36 03 03 Fax 561 36 03 00 URL http www icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 Count on Icom Inc S 13710HZ CD 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan 2000 Icom Inc
75. RANSISTOR TRANSISTOR 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 FET 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 TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S VARICAP S VARICAP S VARICAP S VARICAP S ZENER S VARICAP S VARICAP S VARICAP S VARICAP S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE TA31136FN EL uPD3140GS E1 058 M57710 A SC 1302 M5218AFP 600C NJM2211M TE1 TC7W14FU 121 TA7808S TA7805F TE16L BU4066BCF T1 M5218AFP 600C BU4066BCF T1 M5218AFP 600C LA4425A S 80928ANMP DDR T2 MB90F583BPFV G 58 2464 TC7W14FU 121 TLP121 GB TPL NJM2125F TE1 NJM2125F TE1 3SK292 TE85R 3 166 2 7 25 2714 TE85R 25 4215 5 25 880 TE85R 28 210 TE85R 28 210 TE85R 25 4215 TE85R 25 4215 5 25 3775 3 28C2954 T2B 28B1143 S DTC144EUA T106 T148 DTC144EUA T106 25 4116 TE85R 28B1132 T100 R DTC144EUA T106 28B1132 T100 R DTC144EUA T106 28C4116 BL TE85R 28C4116 BL TE85R 28J144 Y TE85R 28J144 Y TE85R 25 1069 4 DTC144EUA 1106 25 4116 TE85R DTC144EUA 1106 25 4116 TE85R 25 1069 4 DTA144EUA 7106 DTA144EUA 7106 DTC144TU 1107 DTC144T
76. S Bg t PLLBUS B BUS So R199 100k 042 A R182 RMUTS w 941 DTA144EU moe 1 050 cas 39k 1 15 RMUTM 1 4 2 01 0 001 470 T 0 001 sci 21 7MHz 0 22 5 80928 RC 0 1 3I RESET 160k R40 ms Xi 9 VDD 4 471V 2125 2 247 8 CDBCA450CX24 vss NC 41 lt z NG 0 001 88 R183 5 5 5 0 HH H 042 40 39k ST 3325 PTT ces ae C55 C54 0022 9908 5 323 0 001 0 01 T 1 lt C79 6246 162 L 0303 927 09 B 8 DATAM MDDA HT 314095 od 2 60227 820 34 cr DATAS R45 1 8 m C57 L C56 D5 8 J 2 51 Ni IN2 H 0 01 T 10 MA8036 x 5 100k RIBAWW I ENB 2 181 R29 ojama lla sr eed oun st eo es R204 5Sk166 150k DATA rnhli 1 5 0 001 ror T c 2 259 92 2 lt 555982588589 w UNLK n 5 0 001 R21 3 gararoosettcFYaaoOgoutinrt R201 LOK GND2 R43 1k CR 659 4 5 1 2k E 8305 mee X 55008822 002 100k mS cpa H 9095 FL310 47k 47k PA ocet 829520586588 w naos T 2 5 ala R289 52029992 2 202 100 0 01 Tak u R254 107 01
77. S CERAMIC C1608 JB 1E 103K T A 4030009530 S CERAMIC C1608 CH 1H 030B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011290 S CERAMIC GRM42 6 240 500PT 4030007030 S CERAMIC C1608 CH 1H 150 4030011170 S CERAMIC GRM42 6 180J 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009520 S CERAMIC C1608 CH 1H 020B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009500 S CERAMIC C1608 CH 1H OR5B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009520 S CERAMIC C1608 CH 1H 020 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009520 S CERAMIC C1608 CH 1H 020B T A 4030011260 S CERAMIC GRM42 6 W5R 102K 500PT 4030007030 S CERAMIC C1608 CH 1H 150 4030011100 S CERAMIC GRM42 6 0800 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011140 S CERAMIC GRM42 6 120J 500PT 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030011070 S CERAMIC GRM42 6 CH 050C 500 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011190 S CERAMIC GRM42 6 270J 500PT 4030007010 S CERAMIC C1608 CH 1H 100D T A 4030011060 S CERAMIC GRM42 6 CH 040C 500PT 4030007090 S CERAMIC C1608 CH 1H 470J T A 4030011210 S CERAMIC GRM42 6 330J 500PT 4030008880 S CERAMIC C1608 JB 1C 223K T A 4030011190 S CERAMIC GRM42 6 270J 500PT 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011730 S CERAM
78. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ELECTROLYTIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S ELECTROLYTIC S ELECTROLYTIC S ELECTROLYTIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S ELECTROLYTIC S CERAMIC S ELECTROLYTIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CONNECTOR S CONNECTOR LCD S LED S LED S LED S LED S LED S LED S LED ERJ3GEYJ 102 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 470 V 47 0 ERJ3GEYJ 153 V 15 ERJ3GEYJ 103 V 10 393 V 39 ERJ3GEYJ 473 V 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 392 V 3 9 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 105 V 1 ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 101 V 100 Q 330 V 33 MCR10EZHJ 22 Q 220 MCR10EZHJ 22 Q 220 MCR10EZHJ 22 220 ECEV1CA100SR ECEVOJA220SR C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1C 104KT
79. U 1107 2884081 1107 R 25 1576 T106R 25 1069 4 DTA144EUA 7106 DTA144EUA 7106 25 4116 TE85R 28C4116 BL TE85R 2SJ144 Y TE85R 25 3326 TE85R 15 214 TPH2 1SV214 TPH2 15 214 TPH2 1SV214 TPH2 77 TX 155355 TE 17 HSM88ASR TR HSM88ASR TR S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER NO DESCRIPTION NO DESCRIPTION 1710001080 DE XB15A308 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 1710001080 DE XB15A308 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 1750000550 S DIODE 1SS355 TE 17 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 1790000700 DE DSA3A1 7030003500 S RESISTOR 332 V 3 3 1750000130 S DIODE DA204U T107 7030003400 S RESISTOR 471 V 470 1750000130 S DIODE DA204U T107 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 1750000130 S DIODE DA204U T107 7030003390 S RESISTOR ERJ3GEYu 391 V 390 1750000550 S DIODE 155355 TE 17 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 1750000130 S DIODE DA204U T107 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 1720000360 S DIODE HSU88TRF 7030003430 S RESISTOR ERJ3GEYJ 821 V 820 1750000550 S DIODE 155355 17 7030003620 S RESISTOR ERJ3GEYJ 333 33 1160000050 S DIODE DAP202U 107 7310003590 S TRIMMER 1 5 50 24 203 1750000550 S DIODE 155355 17 7030003660 S RESISTOR ERJ3GEYJ 683 68 1790000620 S DIODE MA
80. dio generator range Measuring range 300 3000 Hz 1 500 mV RF power meter terminated type Measuring range Frequency range Impedance SWR 1 50W 100 300 MHz 500 Less than 1 2 1 Standard signal generator SSG Frequency range Output level 0 1 300 MHz 0 1 uV 32 mV 127 to 17 dBm Frequency counter Frequency range Sensitivity 0 1 300 MHz Frequency accuracy 100 mV or better 1 ppm or better Oscilloscope Frequency range Measuring range DC 20 MHz 0 01 20 V AC millivoltmeter Measuring range 10 mV 10 V FM deviation meter Frequency range Measuring range 30 300 MHz 0 to 10 kHz External speaker Input impedance Capacity 4 Q 5 W or more DC voltmeter 5 Input impedance 50 kO V DC or better Attenuator Power attenuation Capacity 40 or 50 dB 50 W or more Standard signal CAUTION generator lt DO NOT transmit while SSG is poe B connected to the antenna connector mV to 0 13 u To external speaker RF power meter 50 Q 1 50 W 2 s power lt Frequency 13 8 V 15 counter FM deviation to DC cable meter Y Black Red Attenuator 40 dB or 50 dB N to the antenna connector 5 2 PLL ADJUSTMENTS M
81. e 8V line at the 5V regulator circuit IC9 Transmit 8 V controlled by the T8 control circuit Q20 Q21 using the SEND signal from CPU Receive 8 V controlled by the R8 control circuit Q22 Q23 using the RCV signal from CPU The controlled voltage is applied to the receiver cir cuits 4 6 LOGIC CIRCUITS 4 6 1 MAIN UNIT MPU IC16 is a 16 bit multifunction micro computer and contains FLASH memory serial timer A D converter D A verter programmable ROM and RAM SYSTEM CLOCK CIRCUIT X3 4 are crystal oscillators and oscillate 7 9872 MHz and 32 768 kHz system clocks for the MPU IC16 respectively RESET CIRCUIT IC15 is a reset IC When turn power ON IC15 outputs reset signal LOW pulse to MPU IC16 pin 75 LOW BATTERY DETECTOR VCC voltage is divided by R204 R205 and is applied to the low battery detector section in the MPU IC16 pin 42 4 6 2 LOGIC UNIT CPU is an 8 bit single chip micro computer and contains LCD driver serial timer A D converter programmable I O ROM and RAM SYSTEM CLOCK CIRCUIT X1 is a ceramic oscillator and oscillates a 4 91 MHz system clock for the CPU IC1 LCD DRIVER IC2 is a LCD driver for a dot matrix LCD DIMMER CIRCUIT CPU IC1 and Q2 Q3 Q8 are dimmer circuit and control the LCD backlight LED CONTRAST CIRCUIT CPU IC1 and Q1 Q4 are contrast circuit and control the 8 step display contrast 4
82. ge tun able bandpass filter 02 04 034 036 12 414 C13 C14 L33 16 18 20 24 to suppress unwanted signals and improve the selectivity The signals are then applied to the 1st mixer circuit 01 04 034 036 employ varactor diodes that trolled by the PLL lock voltage to track the band pass filters 4 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 1st LO VCO output fre quency By changing the 1st LO frequency only the desired frequency will pass through a pair of crystal filters at the next stage of the mixer 2 IF and demodulator circuits np Squelch level adjustment pot Active filter Limiter amp Noise detector The signals from the RF circuit are mixed with the VCO sig nals at the 1st mixer circuit Q3 to produce a 21 7 MHz 1st IF signal The 1st IF signal is applied to a pair of crystal filters FI2 to suppress out of band signals and is then amplified at the IF amplifier Q4 The amplified signal is applied to the 2nd mixer circuit IC1 4 1 4 2ND IF AND DEMODULATOR CIRCUITS The 2nd mixer circuit converts the 1st IF signal into a 2nd IF signal A double superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The FM IF IC IC1 contains the 2nd local oscillator 2nd mixer limiter am
83. l level The amplified signal is then applied to the RF power amplifier IC3 4 2 4 POWER AMPLIFIER CIRCUIT The power amplifier circuit amplifies the driver signal to an output power level is a power module which has amplification output capa bilities of about 35 W with 300 mW input The output from IC3 pin 4 is passed through the antenna switching circuit D16 and is then applied to the antenna connector via the low pass filter 4 2 5 CIRCUIT circuit stabilizes transmit output power The RF output signal from the power amplifier is detected at the power detector circuit 014 D15 121 and is then applied to one of the differential amplifier inputs Q16 pin 5 via the High Low control circuit R84 Q17 The applied voltage controls the differential amplifier output Q16 pin 2 and the bias voltage control Q14 Thus the APC circuit maintains a constant output power to antenna l RF detector i circuit 11 Q18 r gt signal 1 TMUT l 1 1 Q16 Q15 control circuit BSI lt to CPU 777 4 3 PLL CIRCUITS 4 3 1 GENERAL The PLL circuit provides stable oscillation of the transmit fre receive 1st LO frequency PLL circuit com pares the phase of the divided VCO frequency to the refer ence
84. lied 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 13 The pulse type signal is converted into DC voltage lock voltage at the loop filter R255 R257 C295 C296 and is then applied to varactor diodes D9 D10 of the RX VCO to stabilize the oscillated frequency The lock voltage is also used for the receiver circuit for the bandpass filter center fre quency The lock voltage from the loop filter is amplified at the buffer amplifier Q6 and then applied to the RF circuit 4 3 4 VCO CIRCUIT The VCO outputs from TX VCO Q7 and RX VCO Q8 are amplified at the buffer amplifiers Q9 and Q10 and are then sent to the switch D11 012 The receive LO signal is applied to the 1st mixer circuit Q3 through a low pass fil ter and the transmit signal is applied to the pre drive ampli fier Q11 A portion of the VCO output is reapplied to the PLL IC IC2 pin 2 or pin 13 via the buffer amplifier Q5 PLL circuit Buff RX VCO oH PEN gt QV to 1st mixer circuit Buffer 08 09 010 012 to transmitter circuit Buffer gt Q5 Loop Loop i Q7 06 08 filter filter IC2
85. nless ZK Black Unit abbreviations CH CHASSIS PARTS M MAIN UNIT 8900010220 8900010230 Cable OPC 997 Cable OPC 998 2510001090 Speaker 036D0801 8210017360 8210017390 8930053510 8930053540 8930053990 8930053550 8930053520 8930053760 8930039000 8810009180 8930053750 8210017250 8210017300 8310049970 8610010980 8930053740 8810008450 8850000490 8930053530 8820001180 8930053730 2417 front panel assembly 2417 front panel A assembly 2417 key board 2417 PTT rubber 2417 PTT sheet 2417 PTT holder 2417 top key 2417 key plate 1757 sheet Screw FT BT M2 x 5 NI ZU 2417 plate 2417 rear panel 2417 rear panel A 2417 R plate 2417 hanger knob O ring AJ Screw M4 x 8 ZK Spring washer M4 SUS 2417 rubber 2417 screw 2 6 x 16 O ring Al MAINUNIT MP11 CH y 5 2 b MP6 cH 5 MP10 1 CH BLACK WHITE BLACK WHITE BLACK WHITE 5030001900 8930051120 7700002480 8930053780 8210017240 8310050200 8930039610 8930054120 UNPACKING ORDER NO LCD A0119 LCD 36 x 28 5 LCD contact SRCN 2320 SP N W Microphone SKB 2746 LPC 2417 LCD holder 2417 reflector 2417 H plate Thermally sheet C Insulate sheet J DESCRIPTION 8900010280 8950005110 8810004700 8310050320 8810004700 MP19 CH 7 MP4 M
86. phone audio signal or DSC signal D A output port for the ATIS DSC encode signal to the buffer amplifier Q33 Input port from the FM IF IC IC1 for the squelch operation Input port for the connected power supply voltage detection low battery indicator Input port for the TX indicator from the power detector circuit D14 D15 Input port for the ATIS DSC decode signal Input port for the PLL unlock signal Low While PLL is locked Input port for the PTT switch Input port for the microphone hanger detection signal Low Microphone on hook Input port for the optional unit connec tion detection Outputs the R8 regulator Q22 Q23 control signal Low While receiving Outputs the AF mute switch Q26 control signal for main body Low While squelched RMUTS Outputs the AF mute switch Q27 control signal for the optional remote microphone HM 127 Low While squelched BEEPM Outputs beep audio for main body BPLVM Outputs beep audio for the optional remote microphone HM 127 RESET Input port for the reset signal SRESET Outputs the reset signal for sub CPU LOGIC unit IC1 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE DC power supply Output voltage Current capacity 13 8 DC 10 more Au
87. plifier quadrature detector and noise detector circuits etc The 1st IF signal from Q4 is applied to the 2nd mixer section of IC1 pin 16 and is mixed with a 21 25 MHz 2nd LO sig nal generated at the PLL circuit using the reference fre quency 21 25 MHz to produce a 450 kHz 2nd IF signal The 2nd IF signal from IC1 pin 3 is passed through the ceramic filter FI3 where unwanted signals are sup pressed and is then applied to the 2nd IF limiter amplifier in IC1 pin 5 The signal is applied to the FM detector sec tion in IC1 for demodulation into AF signals The FM detector circuit employs a quadrature detection method linear phase detection which uses a ceramic dis criminator X1 for phase delay to obtain a non adjusting cir cuit The detected signal from IC1 pin 9 is applied to the AF circuit 2nd IF filter 450 kHz 21 25 MHz PLL IC 2 2 Mixer T 21 25 MHz FM detector AF signal DEMOD I4 z 3 TA31136FN 1st IF 21 7 MHz from 04 SQL signal to the DC amplifier IC20 pin 1 4 1 5 AF AMPLIFIER CIRCUIT The AF amplifier circuit amplifies the detected signals to drive a speaker The AF circuit includes an AF mute circuit for the squelch AF signals from IC1 pin 9 are passed through the analog switch 12 pins 10 11 and are applied to the de empha sis circuit
88. r to J7 pin 5 with an AC millivoltmeter and set as Frequency 1 kHz 70 Set an FM deviation meter HPF OFF LPF 20 kHz De emphasis OFF Detector P Py 2 Transmitting Connect an FM deviation meter to the antenna con nector through an attenuator 2 200 mV Audio generator 300 Hz to 3 kHz C O C C R172 Frequency deviation adjustment R84 Output power adjustment AC millivoltmeter 5 4 RECEIVER ADJUSTMENTS MEASUREMENT ADJUSTMENT UNIT LOCATION UNIT Operating channel ch16 DC volt Maximum voltage SQUELCH control meter to check point Max counterclockwise CP3 Set the internal speaker OFF in the SET mode and connect a distortion meter with a 4 O load to EXT SP receptacle Connect an SSG to the antenna connector and set as Frequency 156 800 MHz Level 10 97 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving ADJUSTMENT ADJUSTMENT CONDITION Operating channel ch16 Connect a DC volt SQUELCH control meter to check point Max counterclockwise CP5 Connect an SSG to the antenna connector and set as Frequency 156
89. t 5 9 a ag 25 138 455 18 R o 1 o a 1 5 5 ge _ 59 5 Dx 95 w ANV 9 4 55 5 84 5 5 4 5 hos 42 B ogre Bare cS ox ox 2 WW AWW ne N lt 68 ES m Wz AW 5 5 858 23 bw iss S28 87 s 8 re 280 SER SES ies on 5 88 a 28 5 VE S e sexsgas x x x gu eu gt x 9 lt a gt a aid lt ze HS al a gt A 02 2 S lt 3 gt 1 2 E 4458 415 g ag 2 dto gs 88 2 13 6 82 as HH 23 AWW 14 5 aaa 8 LE o E 1 52 eT ERB o 1 LR re T x a 25 p SREEERREREEBBEBE ERR 7 e QrQaoOxioO0 WNOO r WI Qr o O u By ges seksek 8g 5 VA 2 2 2 ES 988 85 De 5 ge 094 09 2 9 t sva 18 09 85 amp sb 38 2 0017 284 8 2 85 LITA d 76 AW AVv 2 0 52 KJ 2 3 189 9 1 05 124 S as z 9 OXW IS 2ed lt
90. t 60 deviation 1 dB to 3 dB of 6 dB octave from 300 Hz to 2500 Hz 600 0 Double conversion superheterodyne system dst 21 7 MHz 2nd 450 kHz 0 32 uV 117 dBm at 12 dB SINAD 0 32 at threshhold 75 dB 75 dB 75 dB 40 dB 3 5 W typical at 1096 distortion with an 4 load 1 dB to 3 dB of 6 dB octave from 300 Hz to 3000 Hz Specifications are measured in accordance with TIA EIA 603 All stated specifications are subject to change without notice or obligation VHF MARINE CHANNEL LIST Channel No Frequency MHz Channel No Frequency MHz CAN Transmit Receive USA CAN Transmit Receive USA INT CAN Transmit Receive 156 050 160 650 21A 21 157 050 157 050 156 675 156 675 156 050 156 050 157 100 161 700 156 725 156 725 156 100 160 700 157 100 157 100 156 875 156 875 156 150 160 750 157 150 161 750 156 925 161 525 156 150 156 150 157 150 157 150 156 925 156 925 156 200 160 800 157 200 161 800 156 975 161 575 156 200 156 200 157 250 161 850 156 975 156 975 156 250 160 850 157 300 161 900 157 025 161 625 156 250 156 250 157 350 161 950 157 025 157 025 156 300 156 300 157 400 162 000 157 075 161 675 156 350 160 950 156 025 160 625 157 075 157 075 156 350 156 350 156 075 160 675 157 125 161 725 156 400 156 400 156 075 156 075 157 125 157 125 156 450 156 450 156 125 160 725 157 175 161 775 156 500 156 500 156 125 156 125 157 175 157 175 156 550 156 550 156 175 160 775 157

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