Yaesu FT-101ZD Page 64 Instruction Manual Download

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YA E SU

903 - D

Summary of Contents for FT-101ZD

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Page 2: ...CRIPTION 1 SPECIFICATIONS 2 TUBES AND SEMICONDUCTORS 3 CONTROLS AND SWITCHES 4 REAR APRON CONNECTIONS 7 ACCESSORIES 8 INSTALLATION I O OPERATION 12 BLOCK DIAGRAM 21 CIRCUIT DESCRIPTION 22 MAINTENANCE...

Page 3: ...r knob when you need it quickly And Yaesu designers have now made it possible for you to switch sidebands without recalibrating the display All circuits except the transmitter driver and final amplifi...

Page 4: ...40 dB down Transmitter frequency response 300 2700 Hz 6 dB Third order distortion products Better than 3 1 dB down Transmitter frequency stability Less than 300 Hz after 1 0 minute warmup less than 1...

Page 5: ...ED Display 2SC373 2 SN74LS04N HP 5082 7 623 6 2SC535A SN74LS1 23N 2SC1000GR 2 SN74 1 96N 1 2SC13 83 SN74LS 1 96N 6 2SC1583 2 TA7060P 2SC18 1 5Y 4 TA7063P 2N4427 MPS3640 Germanium Diodes MPSA1 3 1 N60...

Page 6: ...XT This switch when pressed shifts control of the transmit frequency to the external VFO RX EXT This switch when pressed shifts control of the receive frequency to the external VFO 4 VFO This switch s...

Page 7: ...int that provides the desired blanking action 20 DELAY This control sets the delay time for the VOX relay For voice actuated SSB or semi break in CW the operator may select the delay time most suitabl...

Page 8: ...e turned off during periods of RX when energy conservation is critical 28 PHONES This is a standard 14 phone jack for use with headphones 29 MIC This is a 4 conductor jack for microphone and PTT input...

Page 9: ...t the ACC plug at all times to provide heater voltage for the driver and final amplifier tubes CV 7 TONE OUT The CW sidetone may be fed to an external receiver through this jack 8 A TRIP IN Anti trip...

Page 10: ...4 1 6 ohms 1 9 DC DC CONVERTER OPTION The optional DC DC converter allows operation from a 1 3 5 volt DC power source 20 COOLING FAN OPTION The optional cooling fan keeps the tubes at a safe operating...

Page 11: ...J _J INTERCONNECTIONS FT 101ZD PIN 2 PIN I PIN6 GND TELEPHONE LINE u o o Tl lOWZIN u FT 101ZD FV 901DM FL 21OOF SP 901P FTV 901R H F ANTENNA r EXT RECEIVER ANTENNA JACK EXT RCV I FT 101ZD 1 0mOUT II...

Page 12: ...ntact the shipping company and document the damage completely Save the pack ing carton and foam packing material for possible use at a later date BASE STATION INSTALLATION The FT l O l ZD is designed...

Page 13: ...ery provides con siderable filtering action against ignition noise and connection to the ignition switch can place the power line in a noisy circuit Keep the power lead as short as possible and keep t...

Page 14: ...able level BAND Desired band MODE Desired mode PRESELECT Desired band segment AGC OFF ATT OFF MARK NB OFF 2 Turn the power switch to ON The meter will light up and the operating frequency will be disp...

Page 15: ...output using a 50 ohm load the PO meter will indicate between 1 2 and 2 3 of full scale deflec tion If the PO reading is too high off scale or too low 1 4 scale or less and if the load impedance is v...

Page 16: ...to ON and set the COMP LEVEL control to the 1 0 o clock position Advance the DRIVE control so that the desired power output is obtained and be sure that the ALC meter indication is within the green zo...

Page 17: ...carrier frequencies between USB and LSB For this reason no recalibration is required Once the calibration is properly aligned at the factory or in shop no further adjustment is required for accurate f...

Page 18: ...mpute the crystal frequency as follows Fx 26498 5 2 1 4 20 5078 5 kHz Inspection of the values of F1 in Table 2 will reveal that the 7199 kHz crystal for LSB will work on 1 4199 kHz 21199 kHz etc Of c...

Page 19: ...the foil side view of the IF unit Fig 3 Make the fastening nuts snug and solder the pins of the filter to the circuit board and remove the 2 jumper wires shown in Figure 3 5 Re install the IF unit be...

Page 20: ...engine running bat tery charging The maximum charging rate D lPS300631 zx4 should be 15 volts or less If the voltage is higher than this level please adjust the voltage regulator for a maximum of 15...

Page 21: ...ear panel in its proper location Determine the proper length of the two wire power lead to the motor Solder the leads to the 2 pin plug supplied with the fan The 4 pin plug is not needed for FT I 0 I...

Page 22: ...centered The filter is held in place by the double face tape included with the filter 6 Install the two guide pins into the holes previously occupied by the A screws When doing this install the LED bo...

Page 23: ..._______ _ 0510 2SCl815Y BUFF AGC AMP _ _ __ ____ _ 800V 01 REG 12 V 02 l 258616 REG 2SA496 METER LAM P 12v r 1 1 1 7sLi2 1 1 REG L___ REC2_ H _ VOLT UNl j 0 3 uPCl4308 REG 8V REG YX N 210V IBO V IOOV...

Page 24: ...er T1 to pin 3 of the RF UNIT RF UNIT PB 1 960 The incoming signal is amplified by the RF amplifier Q101 3 SK5 1 03 a dual gate MOSFET used in a grounded source configuration This transistor has super...

Page 25: ...47 5 MHz 6 f signal delivered from Q422 2SC372Y resulting in an 8 9875 MHz IF signal the same as the original IF This process varies the IF signal across the passband of the second IF filter The combi...

Page 26: ...f 0 f CD L 860 L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ x Q 0 0 1 f CL J 0 t z t aJ _J z D dQI UJ _ _ _ ___ 0 0 1 N O U 0 Ul N N l O r u 0 Ul N r l Q 0 Ul Cl E N r N o N I I I t I I I z l i I I r I I I o I...

Page 27: ...ive amplitude difference between the desired signal and the noise pulse is still high The front panel noise blanker level control varies the DC voltage applied to the base of 041 1 GNDh I I I I I I I...

Page 28: ...0 1 5 1 5 5 5 I m i 00 0 1 1 2SC 373 C39 0 022 I 0 1 2 2 S C l 3 8 3 g T 007 2SCIOOOGR f eJ I F OUT I I I R 2 a 2 2 k C72 0 0 1 12 N Si 002 oos 1 5 1007 x 4 C21 0 0 R20 l k iD 008 2SCIOOOGR O a R09 10...

Page 29: ...06 2SK19BL which produces ALC voltage This voltage is fed to gate 1 of Q405 controlling the gain of this stage When the RF processor is off ALC voltage is also fed to gate 1 of Q401 Q4o7 2SA564 amplif...

Page 30: ...5 1 1 2SC373 oscillates at a frequency of approximately 800 Hz The output from Q5 1 1 is amplified by the final audio amplifier Q501 for delivery to the speaker The output from the sidetone oscillator...

Page 31: ...5MHz 13 987 5 1 4 4875MHz w w v Table 3 f PB l 9 65 PRE MIX loCAL UNJTINo 1 I I I I 006 a i al Q I Q Q 8 o s c I 001 0 1 1 2SC372Y x l l I 0 0 1 0 1 I 1 5 1 555 J I I I I I I I I I I I I I I I I I I I...

Page 32: ...486 20m 22 9875 23 4875 22 986 23 486 1 5m 29 9875 30 4875 29 9 86 30 486 l OmA 36 9875 37 4875 36 9 86 37 486 l OmB 37 4875 37 9875 37 486 37 9 86 l Om C 37 9875 38 4875 37 9 86 38 486 l Om D 38 4875...

Page 33: ...DECODE BOARD I I I I I 004 SN74SOO 004d 006 SN74LSl96 i 006c 006 USB 005 SN74LSl96 005 MSM5564 SN74LS04 LSB D I M 7 4 I _W c w J03 1 I o u 0 10 I I uPC l4305 o l L 001 3S K51 8 If I 8 001 2SA496Y RO...

Page 34: ...The supply voltage is further stabilized at 8 volts by Q3 PC 14308 for delivery to the counter AF and other units The 6 volt supply for the VFO is provided through zener diode D908 WZ06 1 while the 5...

Page 35: ...FI X UNIT PB 1 96 1 COUNTER UNIT VFO UNIT PB 1 978 7980 PB 1 440B 3420 TOP V I EW SELECT SW BOARD PB 1 966 BOTTOM V I EW 3 3 FH2 PA ROARD PB 1 7 1 5 CLARIFIER CONT BOARD PB 1 973 TRIMMER A BOARD PB 1...

Page 36: ...d frequency coverage to 30 MHz 2 Vacuum Tube Voltmeter VTVM Hewlett Packard Model 4 1 OB or equivalent with an RF probe good to 40 MHz 3 Dummy Load Yaesu Model YP 1 50 or equivalent with 50 ohm non re...

Page 37: ...5 Qso2 Q504 Carrier FTequency Adjustment A SSB Carrier Point 1 Tune up the transmitter on 29 meters LSB mode into a dummy load Apply a 1 kHz audio signal to the microphone input and adjust the audio g...

Page 38: ...a minimum VTVM reading 3 If a VTVM is unavailable use an external XF o3 Q403 T4o3 XF o1 0 a I monitor receiver tuned to the transmitter frequency and adjust VR501 and TC502 for a minimum S meter read...

Page 39: ...ker signal or background noise 2 Connect the frequency counter to TP4 1 1 Adjust VR1 so1 for a reading of exactly 1 9 7475 MHz 3 Place the WIDTH switch ON Make sure that the WIDTH control is exactly i...

Page 40: ...frequency by adjusting TC201 for channel 1 and TC202 for channel 2 Confirmation of the correct frequency may be made with an external receiver or by loosely coupling a probe from the frequency counter...

Page 41: ...E Q503 O T6o3 X6o3 E Q502 O T502 Xl X502 E 0 O NB FIX UNIT PB 1 96 1 Q505 T6o6 5 X6o6 x Q507 cg T601 o X601 Q5os u T6os 5 X6os _ Q509 T6o9 E X6o9 0 Q510 T510 X610 PREMIX LOCAL XTAL UNIT PB 1 965 3 9 P...

Page 42: ...0 watts output Peak T404 for maximum power output RECEIVER RF IF NB TRANSFORMER ALIGNMENT 1 Tune in the marker generator signal at 1 4 2 MHz with a dummy load connected to the antenna jack Peak the pr...

Page 43: ...eason it is desired to set these frequencies elsewhere refer to the Fre quency Counter Preset Switch Position drawing and chart Adjustment of 200 Hz is possible as shown The adjustment is carried out...

Page 44: ...dummy load watt meter occurs If this is not the case adjust TC1 located inside the final amplifier cage for the required coincidence of m aximum power output and dip on the IC meter CAUTION HIGH VOLTA...

Page 45: ...1 2 S VM 1 0A6 S 4 A S k n B R 9 R l 0 V R l 1 4 9 S00 1 29 V M 1 0A B 0 8 A S k D B L 7 L 8 CAPAC I T O R 3 3 S34050 Dipped mica 500WV 5 p F C 1 3 3 3 S3427 1 270pF T l Z l S O 27 1 K5 T 2 cs 3 3 S 3...

Page 46: ...5 04 7 1 9 A 240 1 3 2 6 S 1 5 00 1 0 5 04 7 l S A 24 0 1 3 3 6 SO S 00 1 0 5047 0 SA 24 0 1 34 6 S05 0009 5 04 7 0S A 24 0 1 3 5 6 S O S0009 5 04 7 0SA 5 04 7 1 2 A 24 0 1 3 7 5 04 7 1 6A P I S with...

Page 47: ...Dipped mica 5 0WV 3pF 2 2 1 234 23 7 Cl07 3 3 8 2 1 040 4pF R 2 1 0 401434 7 2 4 7k 1 C l 1 6 3 3 82 147 1 470pF R205 209 218 40143562 5 6k 1 C102 108 3 1 8 29 1 0 1 Ceramic 5 0WV SL lOOpF R202 203 2...

Page 48: ...680pF Ceramic 5 0WV C H 1 5 0pF 0 0l F C3 1 2 3 1 4 30820103 3 1 6 3 1 8 3 20 3 22 324 326 328 329 3 3 1 34 3 C303 307 3 27 3 6 8 2S l 02 L3 1 7 S 3020035 L30 1 3 1 4 5 30 200 27 U l S 3 1 6 3 1 8 S...

Page 49: ...2 3 1 82047 0 CH47pF 497 05 14 C48 7 3 1 82 7 1 0 1 UJ l OOpF R4 25 447 4 5 1 40143221 22on C459 464 4 7 5 3 1 8 20 1 0 1 CH l O OpF 486 0507 C40 1 405 406 30820 1 0 3 O O l F 0508 4 1 1 4 1 3 4 1 5...

Page 50: ...6 8k 1 54 1 5 6 8 5 70 AF U N I T R S 1 9 529 5 5 5 4014 3 1 0 3 lOkn Symbol N o Parts N o Desc r i pt ion 556 55 8 5 72 0 1 964 MZ AF unit with components R5 1 7 5 5 1 4 0 14 3 1 5 3 1 5 kn PB 1 964A...

Page 51: ...l m H T RANSFO R M E R S S 0031 74 220209 R E LAY 7 00000 3 1 FBR2 1 1 A D0 1 2M M I N I CON N E CTO R 6 7 1 9000 1 S048 19A 6 7 1 S0010 S 048 1SA 6 7080006 S 048 08A 6 70SOOOS S 048 0SA 6703000S S 0...

Page 52: ...F E T T R A N S I ST O R FET 2SK 1 9GR Transistor 2SC 3 7 2Y D801 21 022360 R809 8 1 1 40143 101 R 807 40143221 R805 808 4 0 1 4 3 222 R802 40143332 R801 40143103 R803 4014 3 1 83 R804 40143 223 R 806...

Page 53: ...003 2 1 0900 1 9 l OD l O D 1 006 1 007 21 0900 1 1 lOD l R E S I STO R R 1 021 4 0 1 4 3 1 0 2 Carbon film 1 4W VJ lk 1 R lO l l 1 0 1 6 40 1 4 34 7 2 4 7kn 1 0 20 R 1 0 1 3 1 0 1 5 40143 1 0 3 l Ok...

Page 54: ...50WV 280pF C1 306 3 3 8 24401 400pF Cl 302 3 3 8 24621 620pF Cl 30 1 3 3 8 24 1 5 2 15 00pF C l 30 5 3 1 8 20080 Ceramic 5 0WV CH 8pF C l 304 3 1 8 20680 6 8pF TC 1 303 TC 1 3 0 2 TC 1 3 0 1 TC1 3 06...

Page 55: ...1 7 0 1 L l 704 L1 702 1703 Rl 7 0 1 1 702 Symbo l N o 5 5 003219 220029 PB 1 973A 9 1 100008 Wrapping terminal B D 1 801 D l 802 F I NAL BOAR D Parts No Descr i pt ion Ol 7 1 5 1 AZ Final board with...

Page 56: ...J 4014 3 1 03 VJ 40143683 lk 11 5 6 11 1 00 11 1 20 11 390 11 5 6k 11 l Ok 11 68k 11 SW I TC H 5200 1 2005 64000 109 SLE6 2 3 5 1 S2006 64000 108 SLE64 25 1 COUNTE R U N IT Symbo l N o Part s N o Desc...

Page 57: ...1 0 3 C R Y STA L X230 1 7 1 4 00001 HC 14 W 655 36kHz 210025 DC DC CONV E RTER OPTION R E S I STOR Sy mbo l N o Parts No Descr iption R23 1 6 4 0 1 4 3 1 0 1 Carbon film l 4WS VJ 100 n T R A N S I ST...

Page 58: ...T90 1 24 8 1 A 3 wire without plug T90 1 25 82A 3 wire 3 prong plug UL T90 1 24 84 3 wire 3 prong Australian plug T90 1 2683A 3 wire 2 prong EU plug 67060008 CONNECTOR PLUG QS P6FL 67020001 PIN P L U...

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Page 63: ...Meus mais sinceros agradecimentos a PY3UA Barros pelo emprestimo do manual para digitalizacao Digitalizado por Alexandre Souza PU2SEX em Novembro de 2021 DISTRIBUICAO GRATUITA...

Page 64: ...YA E SU v 903 D...

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