Yaesu FT-840 Service Manual Download Page 130

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FC-10

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J 640 1 CONNECTOR

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T9206 154

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DTC 1 14EK T96

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DTC 1 14EK T96

G3070002

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DTC 1 14EK T96

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DTC 1 14EK T96

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DTC 1 14EK T96

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DTC 1 14EK T96

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DTC 1 14EK T96

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DTC 1 14EK T96

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RL640 1 RELAY

DC 1 2V

AGP2003

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RL6402 RELAY

DC 1 2V

AGP2003

M 1 190075

RL6403 RELAY

DC 1 2V

AGP2003

M 1 190075

RL6404 RELAY

DC 12V

AGP2003

M 1 1 90075

RL6405 RELAY

DC 1 2V

AGP2003

M 1 190075

7 E-14

FT-840 Technical Supplement

Summary of Contents for FT-840

Page 1: ...FT 840 Technical Supplement YAESU MUSEN CO LTD C P O Box 1500 Tokyo Japan YAESU U S A 17210 Edwards Rd Cerritos CA90701 U S A YAESU EUROPE B V Snipweg 3 1118AA Schipol The Netherlari ds ...

Page 2: ...t SM 1 Exploded View Miscellaneous Parts 6 1 Accessory Optional Board Units Schematics Layouts Parts TCX0 4 Master Reference Oscillator option 7A 1 FMUnit 747 option 7B 1 YF 112A AM Crystal Filter option 7C 1 YF 112C CW Crystal Filter option 7D 1 FC 10 Automatic Antenna Tuner option 7E 1 MH lss Hand Held Microphone accessory 7F 1 MD lcs Microphone option 7G 1 YH 77ST Lightweight Headphones option ...

Page 3: ... side of the board is identified by the type of the majority of components installed on that side In most cases one side has only chip components and FT 840 Technical Supplement the other has either a mixture of both chip and leaded component trimmers coils electro lytic capacitors packaged ICs etc or leaded components only While we believe the technical information in this manual is correct Yaesu...

Page 4: ...0 1 6 INDICATED LETTERS 1 2 3 4 5 Ii 0 Type L 3216 3 2 2125 2 0 1608 1 6 w T 1 25 0 45 0 8 0 45 Unit mm w T I 6 0 45 0 60 I 25 0 35 0 50 0 8 0 65 0 95 Type RMC 1 lOW 1 16W Marking 100 222 473 114731 I I I I Ten unit 0 1 2 3 4 5 6 7 8 9 One unit Multiplier code 0 1 2 3 4 5 6 7 8 9 Examples 100 100 222 2 2kD 473 47kD 10 101 102 103 104 105 106 1Q7 10 109 FT 840 Technical Supplement ...

Page 5: ...lot of chip replacements Otherwise it is usually possible to remove and replace chip components with only a tapered temperature controlled soldering iron a set of tweezers and braided copper solder wick Soldering iron temperature should be less than 280 C 536 OF Precautions for Chip Replacement Do not disconnect a chip forcefully or the foil pattern may peel off the board Never re use a chip compo...

Page 6: ...ne side where the chip is to be installed Avoid too much solder which may cause bridging shorting to other parts 0 Hold the chip with tweezers in the desired position and apply the soldering iron with a motion line that indicated by the arrow in the diagram below Do not apply heat for more than 3 seconds 0 Remove the tweezers and solder the elec trode on the other side in the manner just described...

Page 7: ...speaker cable Photo 2 D Place the set upside down on the work sur face then remove the 6 screws affixing the bottom cover Remove the cover to expose the components side of the Local Unit photos 3 4 D To remove the PAUnit with the set upside down remove the 2 screws affixing the PA Unit to the transceiver chassis photo 5 D Next remove the connecting wire and co axial cables leading from the Main an...

Page 8: ...o not plan to operate your radio for extended periods of time turn the switch to the OFF position to conserve battery life Move the selector using the tip of a ball point pen or similar object To prolong battery life ensure that the radio is turned on when switching the back up switch from OFF to ON This reduces the current demand placed on the battery by the radio s circuits from an un powered st...

Page 9: ...then fold it gently down to ex pose the rear of the front panel assembly wiring and components photo 9 FT 840 Technical Supplement Pilot Light Replacement D To replace the pilot lamp gently pull the bulb from its silicone rubber mount as shown in photo 10 Trace the lamp leads to clamp connector J1031 located on the for ward edge of the Main Unit PCB J1031 Photo 10 D Using your thumb and forefinger...

Page 10: ......

Page 11: ...rs Under no circumstances should any align ment be attempted unless the normal function and operation of the transceiver are clearly understood the cause of the malfunction has been clearly pinpointed and any faulty com ponents replaced and the need for realign ment determined to be absolutely necessary Alignment The following test equipment and thor ough familiarity with its correct use is neces ...

Page 12: ...701 D Confirm a level of at least 900 mV on the RF millivoltmeter DDS 1 Check 3 2 D Tunethetransceiverto7 045 1MHz andselect LSB mode D Connect the RF millivoltmeter to 02036 pin 2 and confirm the RF millivoltmeter indicates at least 110 mV DDS2Check D Tune thetransceiver to7 045 1MHz and select LSB mode D Connect the RF millivoltmeter to 02044 pin 2 and confirm an indication of at least 65 mV PLL...

Page 13: ...d scale 1st Mixer Balance D Preset VR1003 fully clockwise then in LSB mode tune to the internal heterodyne around 15 310 MHz and adjust VR1003 alternately several times for a null in AF output FT 840 Technical Supplement Alignment S Meter Full Scale D Inject a 100 dBµ signal at14 200 0 MHz next adjust VR1002 on the Main Unit so the meter deflects to the59 60 dB marker on the S meter scale IF Gain ...

Page 14: ...ust VR1011 for 10 Watts Tum the trans ceiver off and remove the jumper from TP1002 TX IF Gain 3 4 D Connect an AF signal generator and AF mil livoltmeter to the MIC jack and inject a 0 5 mV signal at 1 kHz 0 Set the RF PWR and MIC controls fully cw max tune to 14 200 0 MHz USB mode D Key the transmitter and adjust VR1007 so that the meter set to ALC just begins to deflect increase AF SG level to 1...

Page 15: ...t signal from theAF generator to themicrophone jack pin 8 D With the wattmceter anddummy load connected tothe antenna jack tune to14 200 0MHz USB mode key the transmitter and adjust the SG level for an ALC meter indication of S 3 D Press the PROC button and confirm an ALC meter indication of S 5 or more CW Semi Beak in Delay Time D Adjust VR1015 to the 12 o clock position then set the RF PWR contr...

Page 16: ...hen press the FAST SSB button together at the same time confirm that carrier point adjustment has switched to USB by LCD indication USB USB 3 6 D Repeat steps a c to adjust the USB carrier point then press the SSB to save the settings and return the display to normal D Tum the transceiver off and remove the jumper from TP2003 to chassis ground TP5001 TP5002 VR5001 PA Unit Alignment Diagram FT 840 ...

Page 17: ...2004 T2005 TP2015 J2021 T2003 T2002 Local BPF TP2005 Reference Oscillator Check RF millivoltmeter TP2014 I JP2001 1st Local Output Level Reference Oscillator check RF millivoltmeter frequency counter 5 242880 MHz 3 Hz Z40 m I X2002 101 TP2003 Carrier Level Adjust Freq check Carrier Level Adjust Freq check 02044 pin 2 DDS 2 check Transmitter Carrier Point RF millivoltmeter 320 mV RF millivoltmeter ...

Page 18: ...01 Ext Ant Tuner RF Pwr Adj 100W position 100W 50W VR1017 Reverse ALC VR1010 RF Power Output Adj VR1016 50 W RF Power Output Adj VR1011 f Ext Ant Tuner RF Pwr Adj T10 1 0 T 1 0 1 1 T101 2 I IF Interstage Alignment Main Unit Alignment Diagram 0 Dt 106 CJ 2 o J 1 o2s I cdl 1 I J oo11o1 ou1102c f11 01018 tlln 3 T 1 001 T1 002 T1 003 T1004 T1005 L L 4 _J IF Interstage Alignment VR1020 AM Output Adj TP...

Page 19: ...I 10 867sv11z I 1 _i IUl J I I Irc210 I I l I RHSVA 5 U2SAl563 1 1 i T 1 lfillil F33921 03 1 6 1 I I I I I I I I I _________J 1 I I I I I I I I I ____________ L FT 840 Technical Supplement i I I L r I I I I L__ __ J fRX o 1 30MHz hx 1 9 28MHz flFl 47 0SSMHz fL01 frnx f1F1 fIF2 B 2t5t 1Hz fL02 flF1 flF2 f IF3 455kHz fL03 flF2 flF3 r 1 I I I I I SW C UM IT I SW D UN IT I I I I I L_________ J RX LINE...

Page 20: ...JoJ01 F3396000 J0Jo2 L_____________I J 007 P7101 PUU J1013 CP7102 BLEI J1014 CP9502 BLIO J1017 fPl7 BLEJ J10 I Pl3 GRNl I Jio11 I 1 15 BRNI I J2005 I IPl GRN I I J2007 lP16 BRNl J2006 CP18 BLEl cc cn m I I cc m cc m I NO 29XXl I I F3392103 I L 0 w z z i ll C l t0 D r f00 l 1 I J2so2 I I I I ODS 1 UN IT I I No 2s 1 I I F3335101 I I J2so1 I Ll0 1_J J2015 0 ll a lJ I z I i tO 0 u J2009 IP9501 BUO LL ...

Page 21: ... MAIN UNIT 11 83v L u FT 840 Technical Supplement NO 1 OXXl Dl001 r 157 M t P 4 22 H AM MODE 6 98V AllDl c mode OV llOTE llClllllTOl I VALltUARE 111 1 Cl PACITOAYALUEll llltllloF SQY1 mc 1 ITDllYAL AR TUTALUll lllOl ICTOll YALUE84 1f111K llllUB90THDIWIBfllOT D RX TX ...

Page 22: ......

Page 23: ... ZY 01002 1 031 1032 1 037 1 038 1044 1 045 1 046 1 047 1 048 1 052 1053 1 054 1 059 1 06 1 1 063 1 066 1 067 1 069 _ _Pin4 Pin 1 M5223FP o1 004 1 035 1 041 M52 1 8AFP 01015 1 040 1 043 1 049 Source Drein Gate 2SK302Y TY 0101 1 1 020 1029 1 056 J _Pin 7 Pin8 V Pin4 Pinl J J PC1 037H 01 024 TC4W66F 01 026 1 050 Pin18 Pin9 _ Pin 1 T 062783F 0 1 030 1 034 B Obverse View of Component Side Cothode1 2 A...

Page 24: ...lector Base Emitter 2SA 1 563 RL 01033 1 039 IR3M03A 0 1 051 Gate Source Drain 2SJ 1 25D J D 01068 Pin 16 µ PD4028BG 01 036 Collector Base Emitter 2SA1 1 79 M 6 01 060 1 062 b d 2 Obverse View of Chip Side ...

Page 25: ... F GRM40F103Z50PT K22171004 C 1022 AL ELECTRO CAP lOuF 16V 16V100M4X7TR2 K46120004 C 1023 CHI P CAP 0 luF 25V F GRM40F104Z25PT K22141005 C 1024 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1025 CHI P CAP 0 0 luF 50V F GRM40F103Z50PT K22171004 C 1026 CHI P CAP O O luF 50V F GRM40F103Z50PT K22171004 C 1027 CHI P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 1028 CHI P CAP O OluF 50V F GRM40F103Z...

Page 26: ...P 0 0luF 50V F GRM40F103Z50PT K22171004 C 1076 CHI P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 C 1077 CH I P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1078 CHI P CAP 47pF 50V CH GRM40CH470J50PT K22170227 C 1079 CHI P CAP 0 luF 25V F GRM40F104Z25PT K22141005 C 1080 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1081 CHI P CAP 120pF 50V CH GRM40CH121J50PT K22170237 C 1082 CHI P CAP 120pF 50V ...

Page 27: ...O CAP luF 50V 50V010M4X7TR2 K46170030 C 1 129 CHI P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 C 1 130 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1 131 CHI P CAP 15pF 50V CH GRM40CH150J50PT K22170215 C 1 132 CHI P CAP 15pF 50V CH GRM40CH150J50PT K22170215 C 1 133 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1 134 CHI P CAP 0 0015 50V B GRM408152M50PT K22170807 C 1 135 AL ELECTRO CAP 0...

Page 28: ...F 50V F GRM40F103Z50PT K22171004 C 1 183 CHI P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 1 184 CHI P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 1 185 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 1 186 CH I P CAP 0 00luF 50V B GRM408102M50PT K22170805 C 1 187 CH I P CAP O OluF 50V F GRM40Fl03Z50PT K22171004 C 1 188 CH I P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 1 189 CHI P CAP 0 0luF 5...

Page 29: ...238 CHI P CAP O O luF 50V F GRM40F103Z50PT K22171004 C 1239 CHI P CAP 0 0 luF 50V F GRM40F103Z50PT K22171004 C 1240 CHI P CAP 0 0 luF 50V F GRM40F103Z50PT K22171004 C 1241 AL ELECTRO CAP luF 50V 50V010M4X7TR2 K46170030 C 1242 CHI P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 C 1243 CHI P CAP 0 luF 25V F GRM40F104Z25PT K22141005 C 1244 CHI P CAP 680pF 50V B GRM40B681M50PT K22170803 C 1245 CHI P CAP 0...

Page 30: ... 16V470M T34 K46120010 D 1001 D I ODE 1SV157 Tl 82060014 D 1002 DI ODE 1SS83RE 82050007 D 1003 DI ODE 1SS270TJ 82060004 D 1004 DI ODE 1SS198TJ 8206001 1 D 1005 DI ODE 1SS198TJ 8206001 1 D 1006 DI ODE 1SS198TJ 8206001 1 D 1007 D I ODE 1SS270TJ 82060004 D 1008 D I ODE 1SV157 Tl 82060014 D 1009 D I ODE 1SS83RE 82050007 D 1012 D I ODE 1SS270TJ G2060004 D 1013 D I ODE 1SS270TJ 82060004 D 1014 D I ODE 1...

Page 31: ...1062 D I ODE HSM2838 TR G2070108 D 1064 D I ODE HSM2838 TR G2070 108 D 1065 D I ODE HSM2838 TR G2070108 D 1066 D I ODE HSM2838 TR G2070108 D 1067 DI ODE 1SS270TJ G2060004 D 1068 D I ODE 1SS270TJ G2060004 D 1069 DI ODE 1SS270TJ G2060004 D 1070 DI ODE 1SS270TJ G2060004 D 1071 D I ODE 1SS270TJ G2060004 D 1075 D I ODE 1SS226 TE85R G2070003 D 1076 D I ODE 1SS270TJ G2060004 D 1077 D I ODE 1SS270TJ G2060...

Page 32: ...R 5A 12 VALUE WV TOL DESCRI PTI ON 1SS198TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS198TJ 1SS270TJ 1SS270TJ 1SS270TJ M I 308 M I 308 1SS270TJ 1SS270TJ 1SS270TJ HSM2838 TR 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ TMP J01X V6 SC25 08WS TMP J01X V6 TMP J01X V6 TMP J01X V6 SC25 04WS BllP SHF 1 TMP J01X V6 SC25 05WS SC2...

Page 33: ...5T5 0D0 6UEW R L0022217 L 1019 M RFC 150uH LAP02TA151K Ll790072 L 1020 M RFC 8 2uH LAP02TA8R2K L1790057 L 1021 M RFC 8 2uH LAP02TA8R2K Ll790057 L 1022 M RFC 3 9uH LAP02TA3R9K Ll790053 L 1023 M RFC 12uH LAP02TA120K L1790059 L 1024 M RFC 12uH LAP02TA120K L1790059 L 1025 M RFC 150uH LAP02TA151K Ll790072 L 1026 M RFC lOuH LAP02TA100K L1790058 L 1027 M RFC 0 27uH LAP02TAR27K Ll790039 L 1028 M RFC 4 7uH...

Page 34: ...SC2812L6 TA G3328127F b 2 Q 1006 FET 2SK1577 G3815777 c 3 Q 1007 FET 3SK131 T2B V12 G480 1317B b 3 Q 1008 FET 3SK131 T2B V12 G4801317B b 1 Q 1009 FET 3SK131 T2B V12 G4801317B b 1 Q 1010 FET 3SK131 T2B V12 G4801317B c 1 Q 1011 FET 2SK302Y TE85R G3803027Y b 3 Q 1012 FET 2SK1577 G3815777 c 3 Q 1013 TRANSI STOR 2SC28 12L6 TA G3328127F b 3 Q 1014 TRANSI STOR 2SC2812L6 TA G3328127F c 2 Q 1015 I C M5218A...

Page 35: ... 3 Q 1060 TRANSI STOR 2SA 1 179M6 TA G31 1 1797F a 2 Q 1061 TRANSI STOR 2SC4047 TA G3340477 a 3 Q 1062 TRANSI STOR 2SA 1 179M6 TA G31 1 1797F a 2 Q 1063 TRANSI STOR 2SC4047 TA G3340477 d 2 Q 1064 TRANSI STOR 2SC2812L6 TA G3328127F c 2 Q 1065 TRANSI STOR 2SC2812L6 TA G3328127F c 2 Q 1066 TRANSI STOR 2SC4047 TA G3340477 a 2 Q 1067 TRANSI STOR 2SC4047 TA G3340477 c 2 Q 1068 FET 2SJ125D T12 1D G370125...

Page 36: ...S 6 8K 1 lOW 5 RMCl lOT 682J J24205682 R 1046 CHI P RES 4 7K 1 lOW 5 RMCl lOT 472J J24205472 R 1047 CHI P RES 330 1 lOW 5 RMCl lOT 331J J24205331 fl 1048 CHI P RES 330 1 lOW 5 RMCl lOT 331J J24205331 R 1049 CHI P RES 220K 1 lOW 5 RMCl lOT 224J J24205224 R 1050 CHI P RES 220K 1 lOW 5 RMC1 lOT 224J J24205224 R 1051 CHI P RES 150 1 lOW 5 RMCl lOT 151J J24205151 R 1052 CHI P RES 100 1 lOW 5 RMCl lOT 1...

Page 37: ... lOT 101J J24205101 R 1 100 CHI P RES 2 2K 1 lOW 5 RMCl lOT 222J J24205222 R 1101 CHI P RES 1 5K 1 lOW 5 RMCl lOT 152J J24205152 R 1 102 CARBON F I LM RES 47 1 4W 5 RD14TPR470J J05245470 R 1 103 CHI P RES 68K 1 lOW 5 RMCl lOT 683J J24205683 R 1 104 CHI P RES 3 3K 1 lOW 5 RMCl lOT 332J J24205332 R 1 105 CHI P RES 470 1 lOW 5 RMCl lOT 471J J24205471 R 1 106 CHI P RES 4 7K 1 lOW 5 RMCl lOT 472J J2420...

Page 38: ...ES 220 1 lOW 5 RMCl lOT 221J J24205221 R 1 153 CHI P RES lK 1 lOW 5 RMCl lOT 102J J24205102 R 1 154 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 1 155 CH I P RES lOOK 1 lOW 5 RMC1 lOT 104J J24205104 R 1 156 CH I P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 1 157 CHI P RES 2 2K 1 lOW 5 RMCl lOT 222J J24205222 R 1 158 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205 101 R 1 159 CHI P RES 220 1 lOW 5 R...

Page 39: ... P RES l OOK I lOW 5 RMCl lOT 104J J24205104 R I207 CHI P RES 4 7K I lOW 5 RMC1 lOT 472J J24205472 R I208 CHI P RES lOOK I lOW 5 RMCI lOT 104J J24205104 R I209 CHI P RES 2 2K I lOW 5 RMCl lOT 222J J24205222 R I210 CHI P RES 4 7K I lOW 5 RMCl lOT 472J J24205472 R I21 1 CHI P RES lOK l lOW 5 RMCl lOT 103J J24205103 R I2I2 CHI P RES 3 3K I lOW 5 RMCI lOT 332J J24205332 R I2I3 CHI P RES 56K l lOW 5 RM...

Page 40: ...CHI P RES 150 1 lOW 5 RMCl lOT 151J J24205 151 R 1261 CHI P RES 220 1 lOW 5 RMCl lOT 221J J24205221 R 1262 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205101 R 1263 CHI P RES 120 1 lOW 5 RMCl lOT 121J J24205121 R 1264 CHI P RES 120 1 lOW 5 RMCl lOT 121J J24205121 R 1265 CHI P RES lK 1 lOW 5 RMCl lOT 102J J24205 102 R 1266 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205101 R 1267 CHI P RES 470 1 lOW 5 RMCl l...

Page 41: ...ES 1 5K 1 lOW 5 RMCl lOT 152J J24205152 R 1313 CHI P RES 3 3K 1 lOW 5 RMCl lOT 332J J24205332 R 1314 CHI P RES 3 3K 1 lOW 5 RMC1 lOT 332J J24205332 R 1315 CHI P RES 3 3K 1 lOW 5 RMC l lOT 332J J24205332 R 1316 CH I P RES lDK 1 lOW 5 RMCl lOT 103J J24205103 R 1317 CHI P RES 47K 1 lOW 5 RMCl lOT 473J J24205473 R 1318 CHI P RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 1319 CHI P RES 4 7K 1 lOW 5 RMCl lO...

Page 42: ...021199 8 20M R12 4043A L0021199 8 20M R12 4043A L0021 199 8 20M R12 4043A L0021 199 8 20M R12 G620A L0021 192 4 1 2001F FR6 L0021351 47 lM R12 M4I IA L0021225 47 lM R12 M413A L0021224 47 0M L0021482A 4 1 2D3 TR6X3 L0020788A 4 1 2D3 TR6X3 L0020788A 4 1 2D3 TR6X3 L0020788A 47 lM R12 M41 1A L0021225 47 lM R12 M411A L0021225 47 lM R12 M41 1A L0021225 8 21M R12 6367A L0021395 8 20M R12 4043A L0021 199 ...

Page 43: ...840 Technical Supplement OSC UN I T TCXO OPT I ON TONE ENC ON 3 58V TONE ENC OFF 2 21lV BREAK IN ON OV BREAK IN 0FF 03V LOCAL Unit 1 BREAK IN ON 8 IJV BREAK IN OFF OV I I I I 11 I I I I I I I I I I I I I I I I I I 17 I I I I I I I Dill I I I I I I I I I I I I I I I I I r J I 58 1 ...

Page 44: ......

Page 45: ... Collector Base Emitter 2SC28 1 2 L6 02002 201 2 2024 2030 l 2031 2032 2041 2054 2055 2059 2066 2SC271 4Y JY 02028 2037 2056 _ Collector I Emitter Base 2SD669A 0200 6 2SD8820 0202 1 Collector Base Emitter 2SA 1563 RL 02008 201 0 201 1 2018 _ I Pin 8 Pin 1 MC14028BFL 02020 Vdd Output X Input A I Vss Input B TC4S8 1 F C4 02025 TDA2003H 02026 µ PC1 037H 02027 Pin 7 B Obverse View of Component Side So...

Page 46: ...ollector Besa 2SC2053 02057 Anode 2 Anode 1 Anode 3 Cathode 1 Anode 2 1 SS226 C3 02009 201 1 2053 2054 Anode 1 0 1 ll I ___ llOllll oAnode 2 1 Cathode I Anode 2 Cathode Anode 1 1 SV103 02043 2045 2047 2050 Cathode 2 IMN10 N10 02021 Cathode 1 2 Anode 1 Anode 2 1 SS 1 84 83 02051 b d 2 Obverse View of Chip Side FT 840 Technical Supplement ...

Page 47: ... luF 25V B GRM40B104M25PT K2214081 1 C 2024 CHI P CAP O OOluF 50V B GRM40B102M50PT K22170805 C 2025 CHI P CAP O OOluF 50V B GRM40Bl02M50PT K22170805 C 2026 CHI P CAP O OOluF 50V B GRM40B102M50PT K22170805 C 2027 CHI P CAP 0 00luF 50V B GRM40B102M50PT K22170805 C 2028 CHI P CAP O OOluF 50V B GRM40B102M50PT K22170805 C 2029 CHI P CAP O OOluF 50V B GRM40B102M50PT K22170805 C 2030 AL ELECTR O CAP lOuF...

Page 48: ...0 00luF 50V B GRM40B102M50PT K22170805 C 2076 CHI P CAP O OOluF 50V B GRM40B102M50PT K22170805 C 2077 CHI P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 C 2078 CERAMI C CAP O OOluF 50V B UP050B102K A B K28 179001 C 2079 CHI P CAP 4pF 50V CH GRM40CH040C50PT K22170205 C 2080 CHI P CAP lpF 50V CK GRM40CK010C50PT K22170202 C 20 31 CH I P CAP 0 5pF 50V CK GRM40CKOR5C50PT K22170201 C 2082 CH I P CAP lOpF 5...

Page 49: ...50V CH GRM40CH101J50PT K22170235 C 2129 CHI P CAP lOOpF 50V CH GRM40CH101J50PT K22170235 C 2130 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 2131 CHI P CAP lpF 50V CK GRM40CK010C50PT K22170202 C 2132 CHI P CAP lOOpF 50V CH GRM40CH101J50PT K22170235 C 2133 CHI P CAP lOOpF 50V CH GRM40CH101J50PT K22170235 C 2134 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 2135 CERAMI C CAP O OOluF 50V 8...

Page 50: ... O OluF 50V F GRM40F103Z50PT K22171004 C 2194 CHI P CAP 12pF 50V UJ GRM40UJ120J50PT K22170313 C 2195 CHI P CAP 27pF 50V UJ GRM40UJ270J50PT K22170321 C 2196 CHI P CAP O OOluF 50V B GRM408102M50PT K22170805 C 2197 CHI P CAP lpF 50V CK GRM40CK010C50PT K22170202 C 2198 CHI P CAP lOpF 50V UJ GRM40UJ100D50PT K22170311 C 2199 CHI P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 2200 CHI P CAP 0 0 luF 50V F ...

Page 51: ...OpF 50V CH GRM40CH100D50PT K2217021 1 C 2240 CHI P CAP 0 00luF 50V B GRM408102M50PT K22170805 C 2241 AL ELECTRO CAP lOuF 16V 16VlOOM4X7TR2 K46120004 C 2242 CHI P CAP 0 018uF 50V B GRM408183M50PT K22170820 CF2001 CERAMI C F I LTER SFT 5 74MA H3900390 D 2009 D I ODE 1SS226 TE85R G2070003 D 2010 D I ODE 1SS270TJ G2060004 D 201 1 D I ODE 1SS226 TE85R G2070003 D 2012 D I ODE 1SS270TJ G2060004 D 2015 D ...

Page 52: ...uH 3 3uH lOOuH DESCRI PT I ON YAESU P N VERS ADDR 1SS53 TB G2050008 1SV103 TPE4 G2050013 1SS53 TB G2050008 1SV103 TPE4 G20500 13 1SS270TJ G2060004 1SS53 TB G2050008 1SV103 TPE4 G2050013 1SS184 TE85R G2070009 1SS270TJ G2060004 1SS226 TE85R G2070003 1SS226 TE85R G2070003 SC25 04WS P0090623 CSK M50 08 Pl090804 CSK M50 05 Pl090802 CSK M50 06 Pl090803 SC25 05WS P0090624 SC25 04WS P0090623 SC25 06WS P00...

Page 53: ...Q 2003 TRANS I STOR 2SC4047 TA 83340477 d 2 Q 2004 TRANSI STOR 2SC4047 TA 83340477 d 3 Q 2005 TRANSI STOR 2SC4047 TA 83340477 a 3 Q 2006 TRANS I STOR 2SD669A 83406691 A 1 Q 2007 TRANSI STOR 2SA1179M6 TA 831 1 1797F b 2 Q 2008 TRANSI STOR 2SA1563 TB 831 15638 a 2 Q 2009 I C HD6475348F10 81091769 a 3 Q 2010 TRANSI STOR 2SA1563 TB 831 15638 b 3 Q 201 1 TRANSI STOR 2SA1563 TB 831 15638 a 2 Q 2012 TRAN...

Page 54: ... G3340477 b 3 Q 2065 TRANSI STOR 2SC4047 TA G3340477 b 3 Q 2066 TRANSI STOR 2SC28 12L6 TA G3328 127F b 3 R 2001 CH I P RES lOK 1 lOW 5 RMC l lOT 103J J24205103 R 2002 CH IP RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 2003 CH I P RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 2004 CHI P RES 330 1 lOW 5 RMCl lOT 331J J24205331 R 2005 CHI P RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 2006 CHI P RES 330 1 lOW ...

Page 55: ...CHI P RES 4 7K 1 lOW 5 RMCl lOT 472J J24205472 R 2056 CHI P RES lK l lOW 5 RMCl lOT 102J J24205 102 R 2057 CHI P RES 0 1 lOW 5 RMCl lOT OOOJ J24205000 R 2058 CHI P RES lOOK l lOW 5 RMCl lOT 104J J24205104 R 2059 CHI P RES 4 7K 1 lOW 5 RMCl lOT 472J J24205472 R 2060 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 206 1 CHI P RES 47K l lOW 5 RMCl lOT 473J J24205473 R 2062 CHI P RES lK 1 lOW 5 RMCl ...

Page 56: ...lOW 5 RMCl lOT 471J J24205471 R 2 1 14 CARBON F I LM RES 470 1 6W 5 RD16TPJ471 J07225471 R 2 1 1 5 CARBON F I LM RES 470 1 6W 5 RD16TPJ471 J07225471 R 2117 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205 101 R 2118 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205101 R 2119 CHI P RES 2 2K 1 lOW 5 RMC 1 1OT 222J J24205222 R 2120 CHI P RES 22K 1 lOW 5 RMC1 lOT 223J J24205223 R 2121 CARBON F I LM RES 220 1 6W 5 ...

Page 57: ... P RES 150 1 lOW 5 RMCl lOT 151J J24205151 R 2175 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205101 R 2176 CHI P RES 22K 1 lOW 5 RMC1 lOT 223J J24205223 R 2177 CH I P RES 100 1 lOW 5 RMC1 lOT 101J J24205101 R 2178 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 2179 CHI P RES 22K 1 lOW 5 RMCl lOT 223J J24205223 R 2180 CHI P RES 100 1 lOW 5 RMCl lOT 101J J24205 101 R 2181 CHI P RES lOOK 1 lOW 5 RMCl l...

Page 58: ...05332 R 2225 CHI P RES 470K l lOW 5 RMCl lOT 474J J24205474 R 2232 CHI P RES 47 l lOW 5 RMCl lOT 470J J24205470 R 2234 CARBON F I LM RES 100 l 6W 5 RD16TPJ101 J07225101 R 2235 CHI P RES lOOK 1 lOW 5 RMC1 lOT 104J J24205104 R 2236 CHI P RES 470 l lOW 5 RMCl lOT 471J J24205471 R 2237 CHI P RES 0 1 lOW 5 RMCl lOT OOOJ J24205000 R 2238 CHI P RES 0 1 lOW 5 RMCl lOT OOOJ J24205000 R 2239 CHI P RES 0 1 l...

Page 59: ... NAL TP E MS 60124 Q5000016 TP2014 TERM I NAL TP E MS 60124 Q5000016 TP2015 TERM I NAL TP E MS 60124 Q5000016 TP2016 TERM I NAL TP E MS 60124 Q5000016 VR2001 POT lDK EVN DCAA03814 J50784103 X 2001 XTAL 19 6608MHz H0103052 X 2002 XTAL 38 84MHz H0102853 THERMAL CONDUCTOR 45T T0 220 Q9000548 VCO COVER R0124131 LEAF SPRING 2 pcs R0125800 VCO CASE R0124120 SHI ELD PLATE R01241408 HEATSI NK PLATE R01408...

Page 60: ......

Page 61: ...E IJ I Q 1 10 CAPAC I TOA VALUES ARE I N l F SOV T CAPAC ITOR VALUES ARE TANTALUM I NDUCTOR VALUES ARE IN H UNLESS OTHERWISE NOTED I I I I I I I I I I I 1 gr r _J In tnCD T N 4 I ON J U __________________ J Obverse View of Component S ide Obverse View of ChipSide c c a Q Pin 1 o Pin 33 Pin 1 1 Pin 23 F07920 02501 FT 840 Technical Supplement Collector Base Emitter 2SC271 2GR LG 02502 2503 5C 1 ...

Page 62: ......

Page 63: ...0V CH GRM40CH121J50PT K22170237 C 2514 CHI P CAP 560pF 50V B GRM40856 1M50PT K22170802 C 2515 CH I P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 C 2516 CH I P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 J 2501 CONNECTOR 3022 058 P0090594 J 2502 CONNECTOR 3022 04B P0090523 L 2501 M RFC 220uH LAP02TA221K L1790074 L 2502 M RFC 220uH LAP02TA221K L1790074 L 2503 M RFC 180uH LAP02TA181K L1790073 L 2504 M RF...

Page 64: ... N otes ...

Page 65: ...Dol NO U O NOTE RESISTOR VALUES ARE ltt C 1 10W CAPAC ITOR VALUES ARE IN 1 F 50V Tl CAPAC I TOR VALUES ARE TANTALUM I HDUCTOA VALUES ARE I N H UNLESS OTHERW I SE NOTED Obverse View of Component Side i c c CL 0 Pin 1 O Pin 33 Pin 1 1 Pin 23 F07920 02601 FT 840 Technical Supplement Obverse View of ChipSide Collector Base Emitter 2SC271 2GR L G 02602 2603 50 1 ...

Page 66: ... ...

Page 67: ...50V CH GRM40CH181J50PT K22170241 C 2614 CHI P CAP 180pF 50V CH GRM40CH181J50PT K22170241 C 2616 CHI P CAP O OluF 50V F GRM40F103Z50PT K22171004 C 2618 CHI P CAP 0 0luF 50V F GRM40F103Z50PT K22171004 J 2601 CONNECTOR 3022 05B P0090594 J 2602 CONNECTOR 3022 04B P0090523 L 260 1 M RFC 220uH LAP02TA221K L1790074 L 2602 M RFC 220uH LAP02TA221K L1790074 L 2603 M RFC 82uH LAP02TA820K L1790069 L 2604 M RF...

Page 68: ... N otes ...

Page 69: ...omponent Side Obverse View of Chip Side Parts List REF MFGR S DESIG PCB w i th Components VALUE WV TOL DESCRI PT I ON YAESU P N VERS ADDR OSC UN IT Pr i nted C i rcu it Board CA1062001 F3392102 50V UJ DD104 979UJ270J50 K26171202 50V UJ DD104 979UJ270J50 K26171202 C 2701 CERAMI C CAP C 2702 CERAMI C CAP J 2701 CONNECTOR TC2701 TRI MMER CAP X 2701 XTAL 27pF 27pF 20p 10 48576MHz 5124 04BHPB VCT5 1E11...

Page 70: ......

Page 71: ...s Layout Obverse V iew of Component Side Parts List REF MFGR S DES IG VALUE D O Ul Z tJ a Z Ul HA1 7B05P 02801 L7809 02802 WV TOL Obverse View of Chip Side DESCRI PT I ON YAESU P N VERS ADDR REG UNIT PCB w i th Components Pr i nted C i rcu i t Board J 280 1 CONNECTOR Q 280 1 I C Q 2802 I C FT 840 Technical Supplement CA1086001 F3392103 9210B 1 06Z366 T P0090990 HA17805P G1090936 L7809 G1090778 ...

Page 72: ... ...

Page 73: ...R VALUES ARE IN if SOV l CAPAC ITOR VALUES ARE TANTALUM I NDUCTOR VALUES ARE I N H UNLESS OTHEAWISE NOTED _j r 1 Parts Layout l c c 0 0 Pin 49 Pin 32 Pin 64 Pin 17 c c 0 0 LC7582 0300 1 FT 840 Technical Supplement S E G M E N T C O M M O N 0 FTD 1 1768AAP DS3001 Obverse View of Component S ide Obverse View of ChipS ide ...

Page 74: ......

Page 75: ... 27K 1 lOW 5 R 3003 CH I P RES 47K 1 lOW 5 R 3004 CH I P RES lOOK 1 lOW 5 R 3005 CHI P RES lOOK 1 lOW 5 TP3001 TP M TP3002 TP M FT 840 Technical Supplement DESCRI PT I ON YAESU P N VERS ADDR CA1066001 F3390101 TEMSVB20Jl06M 8R K78080019 GRM40B681M50PT K22170803 GRM40B103M50PT K22170817 FTD 1 1768AAP G6090098 LC7582 G1090830 RMCl 10T 104J J24205104 RMCl lOT 273J J24205273 RMCl lOT 473J J24205473 RM...

Page 76: ... N otes ...

Page 77: ... ANT GND JP4001 T92063 I 1 FWD GND REV TXS I 9 1 0 1 4 1 8 21 1 7 7 24 28 NOT E RESI STOR VALUES A R E I N Ci 1 SW CAPAC I TOA VALUES ARE N l f SOV I NDUCTOR VALUES ARE IN H UNLESS OTHEAW ISE NOTED J r GNO r i 1 P4003 I I o t T9206 3 1 9 J I I I I I L Parts Layout Obverse View of Component Side FT 840 Technical Supplement Obverse View of Solder S ide 5H 1 ...

Page 78: ......

Page 79: ...AP 300pF 500V LCQ17301J5 K30275301 C 4023 CERAM I C CAP llOpF 500V SL DD09SL1 1 1J500 K002751 1 1 C 4024 CERAMI C CAP l lOpF 500V SL DD09SL1 1 1J500 K002751 1 1 C 4025 CERAMI C CAP l lOpF 500V SL DD09SLl l 1J500 K002751 1 1 C 4026 CERAMI C CAP 33pF 500V SL DD06SL330J500 K00275330 C 4027 CERAMI C CAP 150pF 500V SL DD10SL151J500 K00275 151 C 4028 CERAMI C CAP 82pF 500V SL DD09SL820J500 K00275820 C 4...

Page 80: ...21407 L 4008 COI L 0 460U T50 6 L0021408 L 4009 COI L 8 0T8 5D0 9UEW R L0021855 L 4010 COI L 9 0T8 5D0 9UEW R L0021856 L 401 1 COI L 6 0T8 0D0 8UEW R L0021857 L 4012 COI L 7 0T8 5D0 9UEW R L0021858 L 4013 COI L l lOU R I 9 3 4 8 5 L0021859 L 4014 M RFC lmH LAL04NA102K L1190090 L 4015 M RFC lmH LAL04NA102K L1190090 P 4002 WI RE ASSY T9317815 p 4003 P 4004 WI RE ASSY T9317816 R 4002 CARBON F I LM RE...

Page 81: ...JUMPER W I RE A JUMPER W I RE A 6 pcs JUMPER W I RE A 7 pcs W I RE B I ND 3 pcs FT 840 Technical Supplement VALUE WV TOL DESCRI PT I ON 0 8 5 0 0 8 7 5 0 8 10 0 PLT lM BK 1 YAESU P N VERS ADDR Q6100003 Q6100004 Q6 100005 83000022 ...

Page 82: ......

Page 83: ... a 0 Ol l l l u 13 57V C5047 o 13 57V _ 13 52v LL 0 g l U 0 0 FAN ON a 24V 1 33V FAN OFF a 76V FAN ON 13 57V Q50l I FAN OFF a 10V 2SC200 1 L R50 1 4 3 3 I W R50 1 5 3 3 I W N u 0 Q l_ or l l _J r J w l_ C5043 0 047 F DC ow ow U n o J5003 R0 1 00970 LPF GNO J5004 R0 1 00970 JP5001 T9206322 I 1 3 5V 1 3 SV TX9 GNO P S 11 GNO FAN ON av J5007 FAN OFF av P009062 I r z z lL LL PA Unit 51 1 ...

Page 84: ......

Page 85: ...1 i I Collector Emitter Ground Heet Sink µ PC7808H 05008 2SC3133 05002 5003 10k Besa Collector BA1 A4M 05006 Emitter 10k _ Bese I Collector Emitter 2SD8820 05009 PA Unit Base Emitter E m1tter Q I Collector 2SC3240 05004 5005 it I Bese Collector Emitter 2SA1 283D 05007 2SC2001 0501 1 M5218AL 05010 _ _ Pin 8 ...

Page 86: ......

Page 87: ...9D561J5 K30279090 C 5022 CERAMI C CAP 0 047uF 50V F DD306 979F473Z50 K26170726 C 5023 AL ELECTRO CAP lOuF 50V 50V100M5X l lTR5 K46170021 C 5024 M I CA CAP 0 luF 50V 50F2U104M K50177104 C 5025 CERAM I C CAP 0 047uF 50V F UP050F473Z A B K28179002 C 5026 AL ELECTRO CAP lOuF 50V 50V100M5Xl 1TR5 K46170021 C 5027 CERAMI C CAP 0 luF 25V x UAT10X104K L45AE K19149025 C 5028 AL ELECTRO CAP lOuF 50V 50V100M5...

Page 88: ... RD16TPJ122 J07225122 R 5002 CARBON F I LM RES 470 1 6W 5 RD16TPJ471 J07225471 R 5003 CARBON F I LM RES 150 1 6W 5 RD16TPJ151 J07225151 R 5004 CARBON F I LM RES 2 7 1 4W 5 RD14TJ2R7 J01245279 R 5005 CARBON F I LM RES 470 1 6W 5 RD16TPJ471 J07225471 R 5006 CARBON F I LM RES 1 5 1 2W 5 RD12TJ1R5 J01275159 R 5007 CARBON F I LM RES 1 5 1 2W 5 RD12TJ1R5 J01275159 R 5008 CARBON F I LM RES 24 1 2W 5 RD12...

Page 89: ...W 5 RD16TPJ474 J07225474 R 5029 CARBON F I LM RES 4 7K 1 6W 5 RD16TPJ472 J07225472 R 5030 CARBON F I LM RES lK 1 6W 5 RD16TPJ102 J07225102 R 5040 CARBON F I LM RES 18 1 2W 5 RD12TJ180 J01275180 R 5041 CARBON F I LM RES 18 1 2W 5 RD12TJ180 J01275180 RL5001 RELAY DC12V G4PE 1 1 17P M1 190095 T 5001 COI L 4 1 2001F FR6 L0021351 T 5002 COI L 3A6 RI B4X7 L0021969 T 5003 COI L D12A RI BlO L0021403A T 50...

Page 90: ...5 1 8 FT 840 Technical Supplement ...

Page 91: ...verse View of Component Side Obverse View of Solder Side Obverse View of Component Side Obverse View of Solder Side FT 840 Technical Supplement 1 l V R C U N I T J O 7 3 X X I I F 3 3 9 4 1 0 4 VR730 1 I I OKB I I I I I I I l I I I JP7302 I T92063 1 6 I I NOTE I I RES I STOR VALUES ARE I N Q _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _J I V R 0 U N I T N O 7 4 X X I I F 3 3 9 4 1 0 5 I VR7401 I I OKB AGND I I ...

Page 92: ......

Page 93: ...nts W 0 T9206316 Pr i nted C i rcu i t Board JP7301 W I RE ASSY JP7302 W I RE ASSY VR7301 POT REF MFGR S DESIG PCB w i th Components lOKB VALUE WV TOL VR D UN IT Pr i nted C i rcu i t Board VR7401 POT lOKB DESCRI PT I ON RK1242210 DESCR I PT I ON RK1242210 DESCRI PT I ON RK0971 1 10 DESCRI PT I ON RK0971 1 10 YAESU P N VERS ADDR CS1304001 F3394102 T9206309 T9206312 J62800120 YAESU P N VERS ADDR CS...

Page 94: ...Notes ...

Page 95: ...I I I SW C U N I T N O 93XXl F3 393 1 0 1 __________________ SW B Unit Parts Layout Obverse View of Component Side Obverse View of Solder Side 593 1 5 N5090047 c i 0 z 593 1 6 N5090047 c i Obverse View of Component Side SW A B C D Unit SW D Unit Parts Layout Obverse View of Component Side Obverse View of Solder Side SW C Unit Parts Layout Obverse View of Solder Side 5 K 1 ...

Page 96: ......

Page 97: ...DESCRI PT I ON YAESU P N VERS ADDR CS1308001 F3394106 UP050F104Z A B K28179003 T9206323 T9206314 SPH121A94 N4090086 SPH121A94 N4090086 SPH121A94 N4090086 DESCRI PT I ON YAESU P N VERS ADDR SW B UN I T PCB w i th Components Pr i nted C i rcu i t Board JP9201 WI RE ASSY S 9201 PUSH SWI TCH S 9202 PUSH SW I TCH S 9203 PUSH SWI TCH S 9204 PUSH SWI TCH FT 840 Technical Supplement SPH121A94 SPH121A94 SP...

Page 98: ...01 TACT SW I TCH S 9402 TACT SW I TCH S 9403 TACT SW I TCH S 9404 TACT SW ITCH S 9405 TACT SW I TCH DESCRI PT I ON 1SS270TJ 1SS270TJ 1SS270 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ 1SS270TJ EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 333 H 9 5 EVQ 33...

Page 99: ... Side Obverse View of Solder S ide Parts List REF MFGR S DESI G VALUE WV TOL M I C UN I T PCB w i th Components Pr i nted C i rcu i t Board C 950 1 CERAMI C CAP J 950 1 CONNECTOR JP9501 W I RE ASSY FT 840 Technical Supplement O OOluF 50V B DESCRI PT I ON UP050B102K A B FM214 8SS A YAESU P N VERS ADDR CA1058001 F3393103 K2817900 1 P0090158 T9206306 ...

Page 100: ... ...

Page 101: ...rse View of Component Side Obverse View of Solder Side Parts List REF MFGR S DESIG PCB w i th Components VALUE WV TOL PHONE UNI T Pr i nted C i rcu i t Board J 9601 CONNECTOR JP9601 WI RE ASSY FT 840 Technical Supplement DESCR I PTI ON YAESU P N VERS ADDR CA105900 1 F3394101 S G4617 03 P1090351 T9206304 ...

Page 102: ......

Page 103: ...01 I p Descdotion I I I U20305002 I B D HEAD SCREWM3x B I 2 g U20306001 I BIND HEAD SCREW M3x SNi I 2 U2030G007 I BIND HEAD SCREW M3x G Qh _ 7 _ I 14 U2430GOOI I TAPT EAD SCREW M3x GB I 2 U710 I SPRIN CREW M3x G I U0320GOOI I SE G LOCK WASHER SW3N I 6 ii 05001 SE REW ASM2 Gx G 1 _ __ U20304001 I BINDING REW SM2 6x 5 Lot 2 I 2 HEADSCREWM3x 3 4 Lot 3 l I 2 CD MAIN UNIT R0145630 STAND iscellaneous Pa...

Page 104: ......

Page 105: ...ts Layout Obverse View of Component Side FT 840 Technical Supplement Collector Base Emitter 2SC271 2GR LG 02801 NOTE RES I STOR VALUES ARE I N 0 1 1 0W CAPAC I TOR VALUES ARE I N F 50V UNLESS OTHERW I SE NOTED Obverse View of Chip Side ...

Page 106: ......

Page 107: ... P RES R 2802 CHI P RES R 2803 CH I P RES X 2801 XTAL 0 0luF 0 0luF 33pF 100 lK lOOK 50V B 50V B 50V CH 1 lOW 5 1 lOW 5 1 lOW 5 10 48576MHz FT 840 Technical Supplement GRM408103M50PT GRM408103M50PT GRM40CH330J50PT 5124 04BHPB 2SC2712GR TE85R RMCl lOT 101J RMCl lOT 102J RMC1 lOT 104J GF 1031 YAESU P N VERS F3337101A K22170817 K22170817 K22170223 P1090426 G3327127G J24205 101 J24205102 J24205104 H95...

Page 108: ......

Page 109: ...R6032 MV 12 lK C6015 1 s 2sv m A6033 s st R8011 C8010 33K 1 SOV r UO r I RESISTOR VALUES ARE IN Q l lOW _ c i T L i u E Nr w Parts Layout Obverse View of Component Side Obverse View of Chip Side FT 840 Technical Supplement 1 Pin 8 Pin 1 MC3357P 08002 INDUCTOR VALUES ARE IN H UNLESS OTHERWISE NOTED M5223P 08003 Collector Collector Base Emitter Base Emitter 2SC2712GR LG 08004 8005 DTC1 14EK 24 08006...

Page 110: ......

Page 111: ... F I LM CAP 0 0068uF 50V 50F2U682M K50177682 C 8022 AL ELECTRO CAP 22uF 25V RE2 25V220MMA K40149025 C 8023 F I LM CAP 0 0033uF 50V 50F2U332M K50177332 C 8024 AL ELECTRO CAP luF 50V RE 50V010M K40179013 C 8025 CHI P CAP O OOluF 50V B 8RM408102M50PT K22170805 C 8026 CHI P CAP 330pF 50V UJ 8RM40UJ331J50PT K22170347 C 8027 CHI P CAP 330pF 50V UJ 8RM40UJ331J50PT K22170347 C 8028 CHI P CAP O OluF 50V B ...

Page 112: ... 4 7K 1 lOW RMC 1 lOT 472J J24205472 R 8027 CHI P RES 3 9K 1 lOW RMC l lOT 392J J24205392 R 8028 CH I P RES 12K 1 lOW RMCl lOT 123J J24205123 R 8029 CH I P RES 12K 1 lOW RMCl lOT 123J J24205123 R 8030 CH I P RES lM 1 lOW RMCl lOT 105J J24205 105 R 8031 CHI P RES 22K 1 lOW RMCl lOT 223J J24205223 R 8032 CHI P RES lK 1 lOW RMCl lOT 102J J24205102 R 8033 CH IP RES 5 6K 1 lOW RMCl lOT 562J J24205562 R...

Page 113: ... OTHERW I SE NOTED Obverse View of Component Side Obverse View of Chip Side Parts List REF MFGR S DESI G VALUE WV TOL DESCRI PT I ON YF 112A Pri nted C i rcu it Board C 8301 CERAMI C CAP C 8302 CERAMI C CAP J 8301 CONNECTOR J 8302 CONNECTOR XF830 1 XTAL 0 0luF O OluF 16V Y 16V Y EP050Y103N A EP050Y103N A 5 124 04BHPB 5 124 04BHPB XF 112A YAESU P N VERS F3396000 K28129001 K28129001 P1090426 P109042...

Page 114: ... ...

Page 115: ... UNLESS OTHERW I SE NOTED Obverse View of Component Side Obverse View of Chip Side Parts List REF MFGR S DESI G VALUE WV TOL DESCRI PT I ON YAESU P N VERS YF 1 12C Pr i nted C i rcu i t Board C 8201 CERAMI C CAP C 8202 CERAMI C CAP J 8201 CONNECTOR J 8202 CONNECTOR XF8201 XTAL FT 840 Technical Supplement 0 0luF O OluF 16V Y 16V Y EP050Y103N A EP050Y103N A 5124 04BHPB 5124 04BHPB XF 1 12C F3396000 ...

Page 116: ......

Page 117: ... T J 1 007 J1005 PI 09080 P009 62 CONTROL I 11 00s I I P0 90623 J Interface Unit Circuit Diagram FT 840 Technical Supplement J650 S 0090624 J6 06 P00906L5 I PO J o 6 J h 0 s J TUNER ASSY nu 1 ER MA I Nl TU i E R C N TLJ L m fl U521BAL 11 00s I Poosos23 I 7E 1 ...

Page 118: ......

Page 119: ... i _ BN 1 A4P Circuit diagram Base I Collector Emitter lOk Collector Emitter 47k BA1 A4P Circuit diagram BN1A4P 0100 1 1 009 BA1 A4P 01 004 1 007 FT 840 Technical Supplement M521 8AL 01 002 Pin 7 Pin l MC14584BCP 01003 L7809 0 1 005 Obverse View of Solder Side I R3M03A 0 1 006 Emitter 2SC2002L 01008 7E 3 ...

Page 120: ......

Page 121: ... l lTR5 K46140005 C 1016 CERAMI C CAP 0 047uF 50V F UP050F473Z A B K28179002 C 1017 AL ELECTRO CAP luF 50V 50V010M5Xl 1TR5 K46170017 C 1018 CERAMI C CAP 560pF 50V SL DD109 979SL561J50 K26171047 C 1019 AL ELECTRO CAP 470uF 16V RE2 16V471M K40129049 C 1 020 CERAMI C CAP 0 047uF 50V F UP050F473Z A B K28179002 C 1 021 CERAMI C CAP 0 047uF 50V F UP050F473Z A B K28179002 C 1022 CERAMI C CAP 0 047uF 50V ...

Page 122: ...RD16TPJ333 J07225333 R 1005 CARBON F I LM RES 22K 1 6W 5 RD16TPJ223 J07225223 R 1006 CARBON F I LM RES 47K 1 6W 5 RD16TPJ473 J07225473 R 1007 CARBON F I LM RES 47K 1 6W 5 RD16TPJ473 J07225473 R 1008 CARBON F I LM RES lM 1 6W 5 RD16TPJ105 J07225105 R 1009 CARBON F I LM RES lOK 1 6W 5 RD16TPJ103 J07225103 R 1010 CARBON F I LM RES lK 1 6W 5 RD16TPJ102 J07225102 R 1011 CARBON F I LM RES lOK 1 6W 5 RD1...

Page 123: ...ion REF MFGR S DESIG TC 1001 TRI MMER CAP TP100 1 TP G VRlOOl POT VALUE WV TOL 20pF 50K DESCRI PT I ON ECV1ZW20X32 MK1095 EVN DXAA03854 YAESU P N VERS K91000013 Q5000036 J51783503 7E 7 FT 840 Technical Supplement ...

Page 124: ... N otes ...

Page 125: ... Uo R6406 47 1 2W _ ID 15 1 o R6407 47 1 2W RL64 1 2 AGP2003 DCl 2V RL64 1 3 AGP2003 DC1 2V 06405 HSM2838 NOTE CAPAC I TOR VALUE9 ARE I N µF SOY CTI CAPAC I TOR VALUES ARE TANTALUM I NDUCTOR VALUES ARE I N H UNLESS OTHERW I SE NOTED co al o u 0 RL64 1 4 AGP2003 DC 1 2V C64 1 3 0 0 1 a FRL C03 C 0 2 C O l cos cos C04 O c L W N u L02 L03 L04 LOS L06 L07 L O I _ co 1 I w O u 0 R64 1 0 47 1 2W I R64 l...

Page 126: ......

Page 127: ...FC 10 option Collector Base Emitter DTC1 14EK 24 06401 6402 6403 6404 6405 6406 6407 6408 641 4 Cathode 1 2 Anode 1 Anode 2 HSM2838 A6 06402 6403 6404 6405 6406 6407 6408 6409 ...

Page 128: ......

Page 129: ...B103M50PT K22170817 C 6420 CHI P CAP O OluF 50V B GRM40Bl03M50PT K22170817 C 6421 CHI P CAP 0 0 luF 50V B GRM40B103M50PT K22170817 C 6422 CHI P CAP 0 0 luF 50V B 8RM40B103M50PT K22170817 C 6423 CHI P CAP 0 0 luF 50V B GRM40B103M50PT K22170817 C 6424 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6425 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6426 CHI P CAP O OluF 50V B GRM40B103M50PT K2...

Page 130: ...RANSI STOR DTC114EK T96 G3070002 Q 641 1 TRANSI STOR DTC 1 14EK T96 G3070002 Q 6412 TRANSI STOR DTC1 14EK T96 G3070002 Q 6413 TRANSI STOR DTC1 14EK T96 G3070002 Q 6414 TRANSI STOR DTC1 14EK T96 G3070002 R 6401 CHI P RES 47 1 2W 5 RMCl 2 470JCTP J24275470 R 6402 CHI P RES 47 1 2W 5 RMC1 2 470JCTP J24275470 R 6403 CHI P RES 47 1 2W 5 RMC1 2 470JCTP J24275470 R 6404 CHI P RES 47 1 2W 5 RMC1 2 470JCTP...

Page 131: ...12V AGP2003 M1 190075 RL6409 RELAY DC12V AGP2003 M1190075 RL6410 RELAY DC12V AGP2003 M1 190075 RL6411 RELAY DC12V AGP2003 M1190075 RL6412 RELAY DC12V AGP2003 M1190075 RL6413 RELAY DC12V AGP2003 M1190075 RL6414 RELAY DC12V AGP2003 M1190075 VC6401 TRI MMER CAP 125pF YV 125 05 K90000049 VC6402 TRI MMER CAP 125pF YV 125 05 K90000049 7E 1 5 FT 840 Technical Supplement ...

Page 132: ......

Page 133: ... r DTED 00521 t e3763PF G 8t J D D D 0 0 0 0 ci ci ci 0 Cl6517 M37450M4 634FP m m m m m m m m L 6503 100U R66llO 10K o 47 26V FC 10 IJ6520 1SS270 I I I I I I I I I I I I I I I I I I eos IP009J620 tmir Tf4 t t fil 4 1 I SA 6563 100K i I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I l i1 i1i1 i1 1 I I I I I I I I L_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ a503 I 4 7 POOll06...

Page 134: ......

Page 135: ...22 NJM2903M 06513 NJM2904M 06508 Collector rt i Source Drain 2SK 1 60 K5 06510 651 1 Collector Base Emitter 2SC27 1 2GR L G 06507 6515 Bose Emitter FA1A4P L34 065166519 i I Droin Source Goto I Collector Boso Emitter 2SK104J 06501 6502 2SC290 1 L 06503 6504 Ground Input Ground Output NJM78L05UA 8C 06514 Collector Base Emitter 2SA 1 235 ME 06512 Cethode 1 2 QJ Anode 1 Anode 2 H SM2838 A6 06508 ...

Page 136: ......

Page 137: ...50V B GRM40B103M50PT K22170817 C 6522 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6523 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6524 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6525 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6526 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6527 CHI P CAP O OluF 50V B GRM40B103M50PT K22170817 C 6528 CHI P CAP 0 047uF 50V F GRM40F47...

Page 138: ...50V B GRM408103M50PT K22170817 C 6570 CHI P CAP 33pF 50V RH GRM40RH330J50PT K22170523 C 6571 CHI P CAP 33pF 50V RH GRM40RH330J50PT K22170523 C 6573 CHI P CAP 0 047uF 50V F GRM40F473Z50PT K22171008 C 6574 AL ELECTRO CAP 330uF 16V RE2 16V331M K40129043 C 6575 CHI P CAP 0 0luF 50V B GRM408103M50PT K22170817 C 6576 CHI P CAP O OluF 50V B GRM408103M50PT K22170817 C 6577 AL ELECTRO CAP lOuF 50V RE2 50V1...

Page 139: ... FR9 5 L0021955 L 6502 M RFC lmH LAL04NA102K L1190090 L 6503 M RFC lOOuH LAL03TA101K Ll790107 L 6504 M RFC lOOuH LAL03TA101K Ll790107 M06501 MOTOR POT 50K B RK16312MA Q9000563 M06502 MOTOR POT 50K B RK16312MA Q9000563 Q 6501 FET 2SK104J G380 1040J Q 6502 FET 2SK104J G380 1040J Q 6503 TRANSI STOR 2SC2901L G3329010L Q 6504 TRANSI STOR 2SC2901L G3329010L Q 6505 I C HD74ACOOFP TR G1091226 Q 6506 I C H...

Page 140: ... 103J J24205103 R 6525 CH IP RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 6526 CH IP RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 6527 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 6528 CHI P RES 220K 1 lOW 5 RMCl lOT 224J J24205224 R 6529 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 6530 CHI P RES 220K 1 lOW 5 RMC 1 lOT 224J J24205224 R 6531 CHI P RES lK 1 lOW 5 RMCl lOT 102J J24205102 R 6532 CH...

Page 141: ...lOW 5 RMCl lOT 104J J24205104 R 6575 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205 104 R 6576 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 6577 CHI P RES lOOK 1 lOW 5 RMCl lOT 104J J24205104 R 6578 CHI P RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 6580 CHI P RES lOK 1 lOW 5 RMCl lOT 103J J24205103 R 6581 CHI P RES lK 1 lOW 5 RMCl lOT 102J J24205102 R 6587 CHI P RES 4 7K 1 lOW 5 RMCl lOT 472J J2420...

Page 142: ...G VC SHI ELD PLATE SCREW 2pcs VALUE WV TOL DESCRI PT I ON UNI VERSAL JOI NT 2pcs W I RE B I ND 1 16 4 PLT lM BK 1 MN 2 M I N I CLAMP 2pcs YAESU P N VERS R0140880 R0516730B R6141870 S1000003 S3000022 S6000293 7 E 26 FT 840 Technical Supplement ...

Page 143: ...51 9201 REAR PANEL Descrintion TERMINAL B 4 M3 TAPTITE SCREW M2X 4B PAN HEAD SCREW M5X 20NI SEMS SCREW SM3 X 10 BINDING HEAD SCREW M3 X 6 BINDING HEAD SCREW M3X 6B BINDING HEAD SCREW M3 X 8NI TAPTITE SCREW M3 X 5B OVAL HEAD SCREW M3 X 6 OVAL HEAD SCREW M3 X 6B FLANGE NUT N3 FLANGE NUT N5NI WING NUT N5NI PLAIN WASHER FW5NI TOOTHED LOCK WASHER IW5NI S4000027 FOOT 4pcs Non designated parts are availa...

Page 144: ......

Page 145: ...kHz OdB lV µ bar Weight 205g 10 dB 0 dB 10 dB 20 dB 30 dB 20 50 Circuit Diagram 0 33u F I 100 200 MH 1 es 500 FREQUENCY Hz 1000 A P T T o 680ohms WH I TE BLACK GREEN RED DWN u ORANGE BLUE 2000 M H 1es Hand held Microphons 5000 10000 20000 Viewed From A Side 7F 1 FT 840 Technical Supplement ...

Page 146: ...0630 REAR CASE 88000506 HANGER 8000671 SCREW 8000571 PTT KNOB 88000670 8100063 SLI DE SWITCH PTT MIC UNIT ADPT 8100062 CURL CORD 8000649 SCREW 81001 86 SLI DE SWITCH TONE 8000631 REAR NAME PLATE Non designated parts are available only as part of a designated assembly FT 840 Technical Supplement ...

Page 147: ... 10 dB 20 dB 30 dB 40 dB 20 Bottom Audio Tone Response 3 positions Position 1 full range Position 2 5dB at lOOHz Position 3 lOdB at lOOHz Base 98 x 160 x 165mm WHD Microphone diameter 40 5 X 210mm Base 630g Microphone 250g I 8 _ I 7 7 7 17 50 100 200 500 FREOUENCY Hz 1000 2000 Circuit Diagram ON 0 BLACK WHITE PTT LOCK FSTiu 1 ___ ___ 5000 RED UPi DWNi YELLOW ORANGE BLUE BLACK ORANGE RED BROWN BLUE...

Page 148: ...CH PLATE Non designated parts are available only as part of a designated assembly 88000661 STAND BASE 881 00029 PTT SWITCH 88000658 88000677 PTT SWITCH LEVER FOOTC4pcs 881 0021 6 1 88000652 PIPE 88000653 ADPT SCREW S8000660 BOTTOM COVER 88000664 u SCREWC4pcs 7G 2 FT 840 Technical Supplement ...

Page 149: ...0 at lkHz Operating Temperature Range 0 C 50 C Sensitivity 103dB mW 3dB at lkHz OdB 0 0002 µ bar Speaker Maximum Input 50mW Circuit Diagram WH I TE L DII 9 SH I ELD D SH I ELD R II W J RED FT 840 Technical Supplement YH 77ST Lightweight Headphones ...

Page 150: ...Notes I c i rj Q I i I o I J I 1ll l I J c i f 11 1 v __ s 1 J i V v l j J jI 0 1 l 7H 2 F T _ 84 0 Ti e chn k w S u p IJJ em en t ...

Page 151: ... NFSBNFOUF QFMP QSB FS EF GB F MP BTP WPDF RVFJSB BKVEBS DPN NBOVBJT JOTVNPT F BUF NFTNP VNB NFSSFRVJOIB QSB BKVEBS OB DPOUB EF MV F OB NBOVUFOÎÍP EB NBRVJOB FOUSF FN DPOUBUP QFMP FNBJM BMFYBOESF UBCBKBSB HNBJM DPN UBNCFN Ï QJY 0CSJHBEP B UPEPT RVF BKVEBSBN BUF BRVJ 0T TJUFT POEF FTTFT TDBOT QPEFN TFS FODPOUSBEPT XXX CBNB PSH IUUQ UBCBKBSB MBCT CMPHTQPU DPN IUUQ UBCBMBCT DPN CS FTRVFNBUFDB IUUQT E...

Page 152: ...Copyright D 1993 Yaesu Musen Co Ltd All rights reserved YAESU v E05559000 31 lC OY No portion of this manual may be reproduced without the permission of Yaesu Musen Co Ltd Printed in Japan ...

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