Yaesu FT-470 Page 21 Technical Supplement Download | Manualshive

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Summary of Contents for FT-470

Page 1: ...FT 470 TECHNICAL SUPPLEMENT YAESU MUSEN CO LTD C P O BOX 1500 TOKYO JAPAN YAESU U S A 17210 Edwards Rd Cerritos California 90701 U S A YAESU EUROPE B V Snipweg 3 1118AA Schiphol The NETHERLANDS ...

Page 2: ...ographical or other errors that may be present Your cooperation in pointing out any inconsistencies in the technical informa ion would be appreciated Yaesu Musen reserves the right to make changes in the circuitry of this transceiver in the interest of technological improvement without notification of the owners f T CONTENTS c t t f t t SPECIFICATIONS 1 f t CIRCUIT BOARD ACCESS 2 t o o EXPLODED VI...

Page 3: ...50 UHF Std Split A B x x x x 5 7 6 c H x x x x 1 6 5 1 GENERAL Frequency coverage MHz see Version Chart Channel steps 5 10 12 5 20 25 kHz Standard repeater shift see Version Chart F mission type G3E Supply voltage 5 5 to J5 0 VDC Current consumption single band Standby 1 sec Save 8mA Receive l 50mA Transmit SW 1300 1600 mA VHF UHF Auto Power Off 7 mA Antenna BNC jack YHA 28 rubber flex antenna Cas...

Page 4: ... care not to stress the inter connecting cable To separate the front and rear halves of the chas sis use a small screwdriver to pry up one side of the connector on the rear panel end of the flat cable see inset in diagram below and then gently pull the cable out of the connector To remove the Control Unit from the front half of the chassis loosen the ring nut around the DIAL shaft and then remove ...

Page 5: ... 36 for FNB 10 p n 03000615 CSC 37 for FNB 12 14 pin 03000616 CSC 38 for FNB 11 pin 03000617 Options may be supplied R3805171A 3 M4090076 Loudspeaker R3129670 2pcs Packing 03000068 Antenna No CD j SCREW LIST Parts No Description qty U9900003 P H SCREW Ml 4X5 8 T 3 U07250001 P H SCREW M2X5 4 1 U9900004 P H SCREW M2X4 8 T 7 e U9900006 P H SCREW M2X5 8 T 10 U30104001 F H SCREW M2X4 4 U20106007 8 H 8 ...

Page 6: ... G 4 0V D 20V J E 25V A v 35V Negative Examples c 1 16V I Polarized Unmarked determine value from layout and Parts List Resistors T Positive Type 1 10 1 16 INDICATED LETTERS 1 2 3 4 5 0 J475 Unit mm L w T 2 0 I 25 0 45 I 6 0 8 0 45 4 6 3V 4 711F Type RMC 1 10W l 16W Marking 100 222 473 ___ r41P ____ Ten unit One unit 0 0 Multiplier code 10 I01 2 2 I ___ ___ a 5 5 10 6 7 8 9 6 7 8 9 Examples 100 22...

Page 7: ...ML BASE Tr EMITTER Common BASE Tr COLLECTOR Tr2 COLLECTOR Tr Marked Surface FMW1 W1 01009 02009 2021 FMS1 S1 02010 2022 COLLECTOR Tr _ BASE Tr EMITTER Tr _ EMITTER Tr y BASE Tr COLLECTOR Tr Marked Surface IM02 02 01006 1012 BASE Tr2 BASE Tr EMITTER Tr 1SS300 A3 01012 1014 y coLLECTOR Tr EMITTER Tr t COLLECTOR Tr Marked Surface IMX5 X5 02001 302 402 ANODE 1 CATHODE 2 ANOOE2 CATHODE I Marked Surface...

Page 8: ...connect a cl11p forcefully or the foil puttern muy peel off the board 2 Never re use a chip component Dispose of all removed chip components 1mmed 1ately to avoid mix 111g wllh nc parts 3 L1m1t solder111g time to 3 seconds or less to avoid damaging the component and board Removing Chip Components I Remove the solder at each joint one joint ut a time using solder wick wetted with non acidic flux as...

Page 9: ...EMITTER Tr EMITTER Tr Y BASE Tr t COLLECTOR Tr M41rked Sud c IM02 02 01006 1012 7 HD404608 A1OH 01001 O MX365LH 01002 NJM2902M 01010 11PD4013BG 01011 µP04094BG 01015 Vss Marked Surl1ce SCl7710YBA 01003 RH5VA45AA 01004 BASE OLLECTOR 4 EMITTER Marked Surface 2SB799 Ml 01008 COLLECTOR BASE IT ER Marked Surface RN1303 XC 01014 RN2303 YC 01005 1013 ...

Page 10: ... Do ANODE Di ANODE D1 I M d td Surf Ge FMN1 N1 01001 1007 8 ANODE CATHODE CATHODE 1SS300 A3 0 1012 1014 CATHODE ANOO ANODE Marked Surface 1SS301 83 01005 ANODE I CATHODE 2 ANODE2 CATHODE 1 Marked Surface 1SS302 C3 01013 N E SLM 13MWS 01008 1009 1010 1011 CATHODE ANODE ANODE SLM 23VMWS 01015 CATHODE Do 0 NODE Do f ANODE Do Mark d Surfac e 1SS319 A4 01006 ...

Page 11: ...1 1 _ r 11 I 11 I I I _ ___ _ J 9 XI XI 0 O z a l O iri N 0 1 l O n ...

Page 12: ...683M16PT 0 068 16V c 1021 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 1022 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 1023 K22174809 CHIP CAP GRM39Bl02M50PT 0 001 c 1024 K78120009 CHIP TA CAP TESVA1Cl05Ml 8R 1 16V c 1025 K78140009 CHIP TA CAP TESVA1E474Ml 8R 0 47 25V c 1026 K78080019 CHIP TA CAP TEMSVB20J106M 8R 10 6 3V c 1027 K78080012 CHIP TA CAP TESVDOJ476Ml2R 47 6 3V c 1028 K22174809 CHIP CAP GRM...

Page 13: ...l G6090072 LCD FTD 8973 FTD 8973 J 1001 P1090617 CONNECTOR HSJ1102 0l 540 J 1002 P1090370 CONNECTOR HSJ0836 01 010 J 1003 Pl090622 CONNECTOR 00 6200 207 032 800 PLlOOl Q1000060 LAMP KD 0001 01 6V 40MA 6V Q 1001 Gl090960 IC HD404608AlOH HD404608AlOH Q 1002 G1090897 IC MX365LH MX365LH Q 1003 G1090926 IC SCI7710YBA SC17710YBA Q 1004 Gl090922 IC RH5VA45AA T2 RH5VA45AA Q 1005 G3070036 TRANSISTOR RN2303...

Page 14: ...85471 I CHIP RES RMCl 16 471JATP 470 R 1039 J24185471 CHIP RES RMCl 16 471JATP 470 R 1040 I J24205390 l CHIP RES RMCl lOT 390J 39 R 1041 J24185472 CHIP RES RMCl 16 472JATP 4 7K R 1042 I J24185104 1CHIP RES RMCI 16 104JATP IOOK R 1043 J24185472 CHIP RES RMCJ 16 472JATP 4 7K R 1044 I J24185104 1CHIP RES RMCl 16 104JATP lOOK R 1045 J 2 41 85 33 2 CH IP RES RMCl 16 332JATP 3 3K R 1046 J24185471 CHIP R...

Page 15: ...HIP RES RMCl lOT OOOJ 0 R 1075 J24185103 CHIP RES RMCl 16 103JATP lOK R 1076 J24205473 CHIP RES RMCl 10 473J 47K R 1077 J24205104 CHIP RES RMC1 10T 104J lOOK R 1078 J24205104 CHIP RES RMCl lOT 104J lOOK s 1001 N5090037 TACT SWITCH JPM0300 0101R s 1004 Q9000442 ROTARY CODE SWITCH EC09P20 04 x 1001 H0102904 XTAL UM 1 1 0MHZ 1 00MHZ ...

Page 16: ... Surface 2SB799 ML 02008 2012 2020 2024 2SC2954 0K 02005 2017 COLLECTOR BASE IT ER Marked Surloce 2SC2714Y QY 02004 2SC3356 R24 02013 2031 2033 2SC3583 R32 02014 2032 2SC4116GR LG 02011 2023 2027 2028 2SC4215Y QY 02003 2015 2SC4245 H B 02002 RN1303 XC 02007 2025 2026 2029 2030 BASE Tr EMITTER Common BASE Tr COLLECTOR Tr COLLECTOR Tr M r ed Surf c IMX5 X5 02001 FMS1 S1 02010 2022 FMW1 W1 02009 2021...

Page 17: ...chip only side 15 CATHODE NOOE ANOOE t Mark d Surface 1SS184 83 02003 1SS301 83 02002 2006 2008 2011 2013 2014 2017 2018 1SS321 F9 02005 DAN235K M 02009 ANODE 1 CATHOOE 2 ANODE 2 ATHOOE 1 Marked Surface 1SS302 C3 02015 ...

Page 18: ...CD 0 I lL I I t I Z I I I _ I X I I I 16 SEMICONDUCTORS SUB UNITS ...

Page 19: ...CH150JSOPT 15p c 2025 K22144802 CHIP CAP GRM39B103M25PT 0 01 25V c 2026 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 2027 K22170215 CHIP CAP GRM40CH150JSOPT 15p c 2028 K22170817 CHIP CAP GRM40Bl03MSOPT 0 01 c 2029 K22170817 CHIP CAP GRM40B103MSOPT 0 01 c 2030 K22170219 CHIP CAP GRM40CH220JSOPT 22p c 2031 K22170211 CHIP CAP GRM40CH100D50PT lOp c 2032 K22174809 CHIP CAP GRM39B102MSOPT 0 001 c 2033 K221...

Page 20: ...22174809 CHIP CAP GRM39B102M50PT 0 001 c 2081 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 2082 K22170203 CHIP CAP GRM40CK020C50PT 2p c 2084 K22170202 CHIP CAP GRM40CK010C50PT lp c 2086 K22174809 CHIP CAP GRM39Bl 02M50PT 0 001 c 2088 K22174809 CHIP CAP GRM 39B102M50PT 0 001 c 2089 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 2092 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 2093 K22174809 CHIP CAP GRM39Bl0...

Page 21: ...P GRM39CH470J50PT CHIP CAP GRM40CH120J50PT CHIP CAP GRM39Bl02M50PT CHIP TA CAP F951C225MSAAF1Q2 CHIP CAP GRM42 6Bl04M25PT CHIP CAP GRM40CJ030C50PT CHIP CAP GRM398102M50PT CHIP CAP GRM39B102M50PT CHIP TA CAP TESVB20J685M8R CHIP CAP GRM39B102M50PT CHIP CAP GRM39B102M50PT CHIP CAP GRM39B103M25PT CHIP CAP GRM39Bl02M50PT CHIP CAP GRM39CH470J50PT CHIP CAP GRM39CH470J50PT CHIP CAP GRM39Bl02M50PT CHIP CAP...

Page 22: ... 2R2M 2 2u L 2018 Lll 90342 M RFC LAL02KRR22M o 22u L 2019 L1190347 M RFC LAL02KRR68M 0 68u L 2020 Lll90347 M RFC LAL02KRR68M 0 68u L 2021 L1690017 COIL 32CS 380LB 2R2M P 2 2u L 2022 L1690004 CHIP COIL LQN2Al8NM 0 018u L 2023 L1690002 CHIP COIL LQN2A22NM o 022u L 2025 L0021798 COIL L0021798 L 2030 L0021803 COIL L0021803 L 2031 L0021800 REPLACED BY L0021767 Q 2001 G3070028 TRNSISTOR IMX5 T108 IMX5 ...

Page 23: ...L 2SB799 ML TRANSISTOR RN1303 TE85R RN1303 TRANSISTOR RN1303 TE85R RN1303 TRANSISTOR 2SC4116GR TE85R 2SC4116GR TRANSISTOR 2SC4116GR TE85R 2SC4116GR TRANSISTOR RN1303 TE85R RN1303 TRANSISTOR RN1303 TE85R RN1303 TRANSISTOR 2SC3356 T2B 2SC3356 CHIP RES RMCl 16 103JATP lOK CHIP RES RMCl 16 103JATP lOK CHIP RES RMCl 16 473JATP 47K CHIP RES RMCl 16 563JATP 56K CHIP RES RMCl 16 122JATP 1 2K CHIP RES RMCl...

Page 24: ...4185393 CHIP RES RMCl 16 393JATP J24185221 CHIP RES RMCl 16 221JATP J24185223 CH IP RES RMCl 16 223JATP J24185472 CHIP RES RMCl 16 472JATP J241851 03 CHIP RES RMCl 16 103JATP J24185103 CHIP RES RMCl 16 103JATP J24185105 CHIP RES RMCl 16 105JATP J241854 72 CHIP RES RMCl 1 6 472JATP J24185684 CHIP RES RMC1 i6 684JATP J24185101 CHIP RES RMCl 16 lOIJATP J24185153 CHIP RES RMCl 16 153JATP J24185153 CHI...

Page 25: ...K T 2001 L0021914 CHIP TRANS CS 5 2276 202 T 2002 L0021921 COIL L0021921 T 2003 L0021921 COIL L0021921 TC2001 K91000074 VARJABLE CAP TZ03TllOE l Ip TC2002 K91000182 TRIMMER CAP TSW 3P 180 TP2001 Q5000016 TERMINAL TP E MS 60124 TP E VR2001 J51778103 POT RH03AYA14X lOK lOK VR2002 J51778103 POT RH03AYA14X lOK l OK VR2003 J51778103 POT RH03AYA14X lOK IOK VR2004 J51778103 POT RH03AYA14X lOK l OK x 2001...

Page 26: ...SC3356 R24 0301 BASE Tr BASE Tr _ EMITTER Tr _ y COLLECTOR Tr EMITTER Tr I COLLECTOR Tr M rked Surface IMX5 X5 0302 1SS153 A9 0304 r I L4 f lL UNIT F3040 107B SEMICONDUCTORS lllU E RfS 1S UR V tl fS AM IN fl 1 I GW PAC I OR V U S AR IN 50 II C Al AC I TOA VA UCS o AC l l lA UW llllOUCTOR VAL JCS A l I II H UNL SS O HtAWI SE N01t O 24 i j i u i T ...

Page 27: ...1 IG2070090 DIODE HVU200 5TRP HVU200 D 0302 G2070090 DIODE HVU200 5TRP HVU200 D 0304 G2070032 DIODE 1SS153 T2B 1SS153 J 0301 P0090658 CONNECTOR 9210B 1 11Z009 T L 0301 L0021915 CHIP TRANS CS 5 2276 215 L 0302 Ll690014 CHIP COIL LQN2AR18K O 18u L 0303 L1690003 CHIP COIL LQN2AR22K 0 22u L 0304 Ll690003 CHIP COIL LQN2AR22K 0 22u Q 0301 G3333567 TRANSISTOR 2SC3356 T2B 2SC3356 Q 0302 G3070028 TRNSISTOR...

Page 28: ...TOR BASE EMITTER Marked Svrl ce 2SC3356 R24 0401 1SS153 A9 0403 r 1 1 30 Pl l UN If F3040 103B 401 lo H 1 I tJ 1 cot oo c l 40 110 f JN l tO t IU10 4 IC I f sJ N v 0 OfC ltCS I STCR VA LIA S A A 1111 0 1 6W Co PACl lOI VAL S ARE IN F 50 1 mtAl A Cl fOA VM UES AM l A NIA l Ulril INDUCTOR I ALVES ARE IN H UNLESS Oft RWI SC 1r OTCO 26 UH o ocn 11 It r r2 CU7 AU C41 1 o o n v a 2 1 0 01 15 _ fQ g 0 SE...

Page 29: ...4235 CHIP CAP GRM39CH101J50PT lOOp c 0427 K22170805 CHIP CAP GRM40B102M50PT 0 001 c 0428 K22170805 CHIP CAP GRM40B102M5 0PT 0 001 c 0429 K22170805 CHIP CAP GRM40Bl02M50PT 0 001 c 0430 K22170805 CHIP CAP GRM40B102M50PT 0 001 c 0431 K22170227 CHIP CAP GRM40CH470J50PT 47p c 0432 K22170227 CHIP CAP GRM40CH470J50PT 47p c 0433 K22170805 CHIP CAP GRM40B102M50PT 0 001 D 0401 G2070092 DIODE HVU202 10TRP HV...

Page 30: ...RMCl 16 104JATP lOOK R 0415 J24185222 CHIP RES RMCl 16 222JATP 2 2K R 0416 J24185220 CHIP RES RMCl 16 220JATP 22 R 0419 J24185222 CHIP RES RMCl 16 222JATP 2 2K R 0420 J24185102 CHIP RES RMCl 16 I02JATP lK R 0421 J24185472 CHIP RES RMCl 16 472JATP 4 7K R 0422 J24185473 CHIP RES RMCl 16 473JATP 47K R 0423 J24185000 CHIP RES RMCl 16 OOOJATP 0 TC0401 K91000153 TRIMMER CAP TZB04Z030BA 3PF 3p 28 ...

Page 31: ...03 K2 2174809 CH IP CAP GRM39Bl 02M50PT C 0504 K22170205 CHIP CAP GRM40CH040C50PT C 0506 K22170211 CHIP CAP GRM40CH100D50PT C 0507 K22170202 CHIP CAP GRM40CK010C50PT C 0509 K2217 0202 CHIP CAP GRM40CK010C50PT C 0510 K22174809 CHIP CAP GRM39B1 0 2M5 0PT D 050 1 G2040001 DIODE 1SS135 T 91 D 0502 G2040001 DIODE 1SS135 T 91 D 0503 G2 070076 DI ODE 1SS321 TE85R J 0501 P009067 8 CONNECTOR 92 30B l 16Z00...

Page 32: ...OR UNIT No 6XX CD obverse view of component side 30 l IN10 TK10487M 03001 3005 NJM2902M 03004 l INt l IN 1 N0tCM NJM386D 03008 µPD4094BG 03012 LM2931AZ 03011 VSS INA IN 8 OUTX t VDO Marked Surface TC4S81 F C2 03026 o ti EMITTER Marked Surface 2SB799 ML 03009 ...

Page 33: ...DTA123YU 52 03013 3014 3016 3019 3020 3022 RN1303 XC 03002 3006 3015 3018 3021 3024 3025 3027 CATHODE ANODE N DE Marked Surface 1SS301 83 03003 3004 3005 3007 3008 3010 3011 3012 3013 3014 3015 ANODE 1 CATHOOE 2 ANODE2 ATHODE 1 Marked Surface 1SS302 C3 03002 3006 CATHODE OOE t ANODE Marked Surface HZM 11A 28 03009 ...

Page 34: ...r Sf I CD 0 3 LI g _ _ a 0 u z z 0 u 32 S3 ij I I I i 1 i 1 eg g e 6 II dd a i u rJ a 0 l o 0 z 0 0 UJ rJ ...

Page 35: ...0 47 25V c 3025 K78130009 CHIP TA CAP TESVA1D684Ml 8R 0 68 20V c 3026 K22120805 CHIP CAP GRM40R683M16PT 0 068 16V c 3027 K22144802 CHIP CAP GRM39B103M25PT 0 01 25V c 3028 K22170215 CHIP CAP GRM40CH150J50PT 15p c 3029 K22170223 CHIP CAP GRM40CH330J50PT 33p c 3030 K22174809 CHIP CAP GRM39B102M50PT 0 001 c 3031 K22174809 CHIP CAP GRM39Bl02M50PT 0 001 c 3032 K22120805 CHIP CAP GRM40R683M16PT 0 068 16V...

Page 36: ... ELECTRO CAP RC2 16Vl01MS AL ELECTRO CAP RC2 16V100M AL ELECTRO CAP RC2 16Vl01MS CHIP CAP GRM40F473Z50PT AL ELECTRO CAP RC2 16V470M CHIP CAP GRM42 6B473M25PT CHIP CAP GRM39B102M50PT AL ELECTRO CAP RC2 16Vl01MS CHIP CAP GRM39Bl02M50PT CHIP CAP GRM39B102M50PT CHIP CAP GRM39B102M50PT CHIP CAP GRM39B102M50PT CHIP CAP GRM40R683M16PT CHIP CAP GRM40R683M16PT CHIP CAP GRM40CH470J50PT CHIP TA CAP TESVA1D68...

Page 37: ...F Q 3027 G3070037 TRANSISTOR RN1303 TES5R RN1303 R 3001 J241S5473 CHIP RES RMCl 16 473JATP 47K R 3004 J241S5102 CHIP RES RMCl 16 102JATP lK R 3005 J241S51S2 CHIP RES RMCl 16 1S2JATP 1 SK R 3006 J241S5103 CHIP RES RMCl 16 103JATP lOK R 300S J241S5393 CHIP RES RMCl 16 393JATP 39K R 3009 J24205393 CHIP RES RMCl lOT 393J 39K R 3010 J241S5225 CHIP RES RMCl 16 225JATP 2 2M R 3011 J241S5124 CHIP RES RMCl...

Page 38: ...5100 CHIP RES RMCl 16 lOOJATP 10 R 3059 J24185222 CHIP RES RMCl 16 222JATP 2 2K R 3060 J24205000 CHIP RES RMCl lOT OOOJ 0 R 3061 J24185473 CHIP RES RMCl 16 473JATP 47K R 3062 J24185105 CHIP RES RMCl 16 105JATP lM R 3063 J24185124 CHIP RES RMCl 16 124JATP 120K R 3064 J24185103 CHIP RES RMCI 16 103JATP IOK R 3066 J24205682 CHIP RES RMCl 10 682J 6 8K R 3067 J24205000 CHIP RES RMCI IOT OOOJ 0 R 3068 J...

Page 39: ...th Components F3055101A Printed Circuit Board c 0801 K22170817 CHIP CAP GRM40Bl03M50PT C 0802 K22174809 CHIP CAP GRM 398102M50PT C 0803 K2217022 3 CHIP CAP GRM40CH330J50PT C 0804 K22170223 CHIP CAP GRM 40CH330J50PT D 0801 G2070009 DIODE 1SS184 TE85R Q 0801 Gl 090984 I I c M C7 4HC4060FL R 0801 J24185154 CHIP RES RMCl 16 154JATP 0 01 0 001 33p 33p 1SS184 M C74HC4060F 150K 22K lM 7 168MHZ BURST IX R...

Page 40: ... I 0503 I QZOU 202 I 1 31 lllS 1 2 SC l 168 t I m t10 t I L I A f T SW UNIT I I F30L010LA I I I I I I I I L I I L J t l r 1 I __ 11 r I__ 61A 03014 3017 Rx I t OTAt 23VU 2 SV OTAl23M 2 sv RI0303 TX lt1 1303X2 TX l I 8A 01 Sf sv BA 2 SW sv l I I I I I __________ J I I I E 1 I 1 I I SP q I I I I _ I _ I I I 1 CN TL tJI T J j 00 I F3039 101f 2 s 1 I FT 470 BLOCK DIAGRAM ...

Page 41: ...at 450 MHz Deviation Meter linear detector Oseilloscope AF Millivoltmetet SINAD Meter In Line Wattmeter I OW at 450 MHz Regulated DC Power Supply adjustable from 4 to 17V 2A RF UNIT Dummy Load 50 ohm OW at 450 MHz frequency Counter 0 1 ppm 450 MHz Af Signal Generator DC Voltmeter IO Megohm impedance CAUTION The FT 470 cannot be properly aligned with an antenna because of interaction between the an...

Page 42: ...Unit for peak output power at least 5 watts with less than I SA supply current Press the LOW switch and confirm 0 3 to 1 0 watt then return the supply voltage to l 2V VHF Modulation Level With the transceiver tuned to the center of the band 145 or 146 MHz set the AF generator for 25mV injection at 1 kHz to the MIC jack Adjust VR2002 on the RF Unit for 4 5 kHz deviation on the deviation meter SO oh...

Page 43: ...n At the center of the band set the signal gener ator for 15dBu 2 8uV injection with 3 kHz deviation of a I kHz tone Adjust VR3002 so that all S meter segments are just on VRSOOI VRsoo2 VHF Squelch Preset With the transceiver tuned to the center of the VHF band set the SQL control on the top panel to the l l o clock position Reduce the RF generator level at the ANT jack to nil but do not disconnec...

Page 44: ...LOW switch and confirm 0 3 to 1 0 watt then return the supply voltage to 12V UHF Modulation Level With the transceiver tuned to the center of the band 1140 MHz set the AF generator for 25mV injecyion at 1 kHz to the MIC jack Adjust VR2001 on the Rf Unit for 4 5 kHz deviation on the deviation meter VR2004 UHF frequency Alignment Set the transceiver to the high edge of the band and adjust TC2001 on ...

Page 45: ...ration At the center of the band set the signal gener ator for l 5dBu 2 8uV injection with 3 kHz deviation of a 1 kHz tone Adjust V R3004 so that all meter segments are just on VR3003 VR3oo4 UHF Squelch Preset With the transceiver tuned to the center of the UHF band set the SQL control on the top panel to the 11 o clock position Reduce the RF generator level at the ANT jack to nil but do not disco...

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