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Summary of Contents for FR-101

Page 1: ...dard computor type plug in modules for reliable operation and service simplicity A linear tuning temperature compensated VFO with I KHz frequency readability is incorporated A 100 KHz 25 KHz crystal c...

Page 2: ...electivity CW N 0 6 KHz 6 dB 1 5 KHz 60 dB CW SSB RTTY AM N 2 4 KHz 6 dB 4 KHz 60 dB AM W 6 KHz 6 dB 12 KHz 50 dB FM 20 KHz 6 dB 45 KHz 50 dB Harmonic Other Spurious Response Image Rejection Better th...

Page 3: ...antenna system with an impedance of 50 to 75 ohms may be used Jf a tuned open wire transmission line or a long wire antenna is used a suitable antenna tuner must be used between the receiver and anten...

Page 4: ...DIGIT and CALIB function of various controls and switches is described in the following section Be certain that you understand thoroughly the individual function of each before operating the receiver...

Page 5: ...ting the CLAR control to the OFF position Normally you will want to keep the clarifier in the OFF position until the initial contact is made The CLAR control may then be used to zero in and correct an...

Page 6: ...d 4 TONE JACK The TONE jack is for input of an external sidetone signal in CW operation 5 SP JACK The SP jack is for a connection of 4 ohm speaker such as our SP 101B 277B 6 A TRIP The receiver audio...

Page 7: ...ter bands are used as a variable IF stage Refer to the Table 1 for the correct frequency readout HF 6L 6H 2L 2H BAND MHz MHz MHz MHz MHz lOA 28 0 50 0 52 0 144 0 146 0 28 5 50 5 52 5 144 5 146 5 lOB 2...

Page 8: ...ervals 4 Set the 100 KHz dial in the window to the nearest 100 KHz or 25 KHz reading then zero beat the main tuning dial against marker signal while pressing the DIAL LOCK For AM or FM the beat tone c...

Page 9: ...4 0 29 52 II rt4 24 0 24 5 30 02 II 24 s 2s o 30 52 II 25 25 5 31 02 II 26 0 26 5 32 02 II 26 5 27 0 32 52 II 27 5 28 0 33 52 II the calibrator signal 4 Peak the PRESELECTOR 5 Adjust TC22 for maximum...

Page 10: ...o Example Desired Band 10 5 11 0 MHz JO From the Table 5 the local crystal frequency is 16 52 MHz Insert this crystal into the crystal socket assigned to the 31 meter band as shown in the remarks col...

Page 11: ...13 52 22 0 22 5 28 02 8 0 8 5 14 02 AUX3 22 5 23 0 28 52 8 5 9 0 14 52 23 0 23 5 29 02 9 0 9 5 15 02 23 5 24 0 29 52 9 5 10 0 15 52 31 Use 3lm band 24 0 24 5 30 02 J0 0 10 5 J6 02 Adjust TC21 24 5 25...

Page 12: ...t work for CW sidetone monitoring since the CW sidetone must be set to the desired listening level with the control in the transmitter section This control is used to Coincide the fre quency differenc...

Page 13: ...u l1 1 t I 11 itrl 30 11111 l I I I 40 11 100 200 300 400 Fig 8 OPERATION 1 Transceiver VFO controls transceiver and receiver VFO controls receiver 2 EXT INT Transceiver VFO controls transceiver and r...

Page 14: ...I Coax Connector RCA Plug 50 75Q Coax Cable such as 3C2V RG6 58A U etc Coax Cable 8P Plug L 70 cm llP Plug RCA Plug Shielded Wire RCA Plug RCA Plug Shielded Wire e iJ _I__ ___ 1 1 J I Fig 9...

Page 15: ...ugh 6 020 KHz The first mixer converts the incoming signal to the first IF signal which is applied to the second mixer Q1 MC l 496G through the tunable first IF transformers formed by Tlll Tll2 and Tl...

Page 16: ...1 RTTY XF 1 USB XF 1 LSB XF 1 AM N XF 1 AM W XF 2 FM X 1 3177 45 KHz X 2 3181 5 KHz X 3 3178 5 KHz Table 9 RF AMP TIOl Tl02 Tl04 Cl Tl05 C3 TI07 C4 Tl08 C7 TI07 TC1 c9 Tl08 TC2 Cll TC3 Cl2 TC4 Cl4 TC...

Page 17: ...ct and DI D2 is biased to cutoff preventing the signal passing from the diodes FIX CHANNEL CIRCUIT A FET Ql 2SK19GR crystal controlled oscillator pro duces the second mixer injection signal Four cryst...

Page 18: ...nput jack is fed to a MOS FET RF amplifier Ql 3SK40M through T211 and T212 The amplified signal is then fed through slit resonators T212 through T215 to a gate of mixer Q2 2SKI 9GR where the incoming...

Page 19: ...ch the 11 meter band is not installed c Adjust the slug of Tl l 0 for maximum VTVM reading d Check the VTVM reading when the BAND switch position is changed between 11 through to lOD If the VTVM readi...

Page 20: ...MHz and tune the FR 101 in with the main tuning dial Adjust TC9 TClO and TC15 for maximum S meter reading Step 4 5 and 6 Set the BAND switch to JOA main tuning dial to 0 on the white scale the red poi...

Page 21: ...he MODE switch to SSB LSB or USB position Advance the MONITOR control until a beat can be heard while the FT 101E 277E is transmitting as described in Step b d Adjust VRl for minimum beat note QlO Qg...

Page 22: ...Receive WWV or JJY signal on AM Narrow mode and adjust TC I for zero beat against I00 KHz calib rator signal REGULATOR BEAT FREQUENCY OSCILLATOR UNIT PB 1549 1 TCl Connect a frequency counter to Pin 7...

Page 23: ...le to zero and subdial to zero Adjust TCl for 9 200 KHz VC 1 VFO PB 1307 Fig 20 2 TC2 This trimmer capacitor is used to adjust the temperature compensation At the setting illustrated in Figure 18 the...

Page 24: ...C I thru TC4 Adjust TC 1 through TC4 to compensate for the crystal tolerance L1 01 TC2 TC1 CH2 FIX PB I 3 I I Fig 21 IF TRAP COIL A PB 1548 B PB 1309 I Tl23 a Set the BAND switch to the 40 meter band...

Page 25: ...measuring instruments are required for this alignment 2 T218 T219 and T220 a Connect the RF probe of a VTVM to the output terminal c if T220 b Peak T218 for a maximum VTVM reading Then turn the slug i...

Page 26: ...IF PB 1252 BFO RECT PT1 MIX NB PB 1551 AF CALIB PB 1268 _ PB 1549 c f A T FM DET PB 1269 FIX PB 1311 MJ3 FM DET VFO RF PB 1225 L l RF PB 1396 T 111 T 112 T 113 BUFF PB 1310 MJ 4 MIX NB MJ7 AF...

Page 27: ...0 0 0 7 E E E E 1 7M 1 8 K 4K 20 E E E E 0 13 5 2 14 5 8 0 0 E CX CX 20 E E 0 0 E 0 0 13 5 E E 9 0 0 900 0 E E E 0 0 0 1 0 E E s 0 10 20 20 CX E E 0 NC E 13 5 13 5 0 E E 0 NC E 11 20 E 4 lK I 13 5 E...

Page 28: ...39 5KA 5KB 2 EVF B8QF 15355 10KB 50KB 3 TR llR lOKB 4 ______ E_V _H _ BOS 15B53 5KB PB PRINTED CIRCUIT BOARD 6 a b _ E_V _K _ A _ 2_ A_R __ 1_ 0_ 60 _4 ___ 50 _KA _ _ 5 __ K_ B 1 1225 A Z RF BOARD c C...

Page 29: ...BPF COIL RI2 4431 113 BPF COIL RI2 4431 MIX N B UNIT 1 C E _ _ R_ A _ M _I _ C _ P B PRINTED CIRCUIT BOARD I 6 11 13 17 21 27 ECV IZW 50X 32 50PF 155l A Z MIX NB BOARD 7 10 14 15 ECV IZW 20X32 20PF 2...

Page 30: ...5 50WV 0 01 u F 2 6 9 18 19 26 27 50WV 0 047 F L INDUCTOR 29 31 35 38 46 3 RFC 6 8 u H MYLAR 4 RFC 68 u H 4 50WV O OOl F 1 2 RFC lmH 7 50WV 0 022 F 1 50WV 0 047 F T TRANSFORMER I 15 50WV O l F 114 Rl2...

Page 31: ...UCTOR 1 2 RFC 4mH L INDUCTOR 1 3 RFC 22 H 4 RFC TV 245 250 H s SWITCH 1 SA 119 CHASSIS PB PRINTED CIRCUIT BOARD c CAPACITOR 1268 A Z AF BOARD DIPPED MICA 10 50WV 6PF 7 50WV 180PF Q TRANSISTOR IC CERAM...

Page 32: ...0 H 4 lK Q 105 RFC 1K32T c CAPACITOR CLARI BOARD DIPPED MICA PB PRINTED CIRCUIT BOARD 1 500WV SOPF 1308 A Z CLARI BOARD 7 500WV 400PF 6 500WV 680PF 4 500WV lOOOPF D DIODE 5 500WV 5000PF 1 Varactor 1S2...

Page 33: ...V 30PF 5 7 ll 12 w lOKQ 25 50WV 60PF 4 i W 15KQ 2 50WV 70PF 17 i W 22KQ 23 50WV 80PF 25 w 33KQ 10 50WV 130PF 14 15 i W 47KQ CERAMIC DISC 3 w 56KQ 5 7 8 13 15 18 19 50WV O Ol F 19 22 w 330KQ 20 24 26 Y...

Page 34: ...Yi W 22KQ 1 2 4 Yi W 56KQ 5 8 11 l2 Yi W lOOKQ c CAPACITOR DIPPE D MICA 9 50WV 3PF 18 21 SPF 2 5 13 17 20PF 15 25PF 7 10 30PF CERMIC DISC 19 50WV O OOl F 1 3 4 6 8 11 12 50WV O Ol F 14 16 20 22 T TRA...

Page 35: ......

Page 36: ...INSTRUCTION MANUAL FR 101 YAESU MUSEN CO LTD TOKYO JAPAN...

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