Kenwood TS-60S Service Manual Download Page 1 | Manualshive

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Summary of Contents for TS-60S

Page 1: ...10 04 x 2 K21 0793 041 K29 4818 04 x 2 CONTENTS CIRCUIT DESCRIPTION 2 SEMICONDUCTOR DATA 21 DESCRIPTIONOF COMPONENTS 25 PARTS LIST 3 0 EXPLODEDVIEW 61 PACKING 64 ADJUSTMENT 65 TERMINAL FUNCTION 83 CIRCUIT DIAGRAMS I PC BOARD VIEWS LCD ASSY 838 0719 15 86 FINAL UNIT X45 3490 00 89 DIGITAL UNIT X46 318X XX 93 PLL UNlT 1x50 3200 00 97 r DDS X58 4020 00 99 VCO 1x58 4120 00 100 IF UNlT 1x48 3110 00 104...

Page 2: ...frequency is determined by the reference frequency STD and the PLL divide ratio Table 1 lists the display frequencies in the various modes The pitch of the incoming signal in CW mode can be varied in 50 Hz steps in the range 400 to 1000Hz with out changing the center frequency of the IF filter vari able CW pitch system FM transmission is carried out by applying the audio signal from the microphone...

Page 3: ...put to pin 5 of lCl 1 CXD1225M and is divided by 20 to produce a 500 kHz comparison frequency The output signal from the VCO is mixed with a 75 045 to 75 545 MHz signal from the PLL described later to produce a 38 0 to 57 5 MHz signal It is input to pin 11 of IC11 di vided and compared with the 500 kHz signal by the phase comparator and the VCO frequency is locked Divide ratio data is supplied by ...

Page 4: ......

Page 5: ...n the TX RX unit and goes through the band pass filters If AIP is off the signal passing through band pass filter is amplified by the RF amplifier Q9 Q10 and Q69 2SK520x3 and is input to the first mixer Q5 to Q8 2SK520 x 4 If AIP is on the signal bypasses Q9 010 and Q69 and goes di rectly to the first mixer It is mixed with the LO1 signal by the first mixer to produce a first IF signal of 73 045MH...

Page 6: ...TX RX UNIT ...

Page 7: ...ut to IF am plifier Q21 3SK1311 sent through Q20 amplified by noise amplifier 0200 0201 and 0202 2SC2714 sent through buffer Q203 and noise detected by D200 This signal switches Q205 Q206 and Q209 and controls Q22 in the TX RX unit Q22 controls IF amplifier Q21 and blanks the noise 7h 7 TX RX UNlT PLL UNlT Fig 6 Noise blanker circuits 7 ...

Page 8: ... is envelope detected by the diode and capacitor to output an audio signal Item 5 FM detection circuit The impedance of the second IF signal amplified by 021 is converted by 023 RU201 in FM mode and unwanted signal components are removed by the CF XF2 The resulting signal is input to the detection IC IC2 KCD04 The signal is then mixed with the 10 24 MHz oscillator signal to generate the 455 kHz si...

Page 9: ...signal by IC3 is changed in each mode by the analog switch level detected by IC3 is input to IC5 11 21and amplified The effective value not the peak value is used in AM by about 8 dB by IC5 212 mode When SLOW is selected in SSB and CW In FM mode the level detection signal from IC2 is modes the analog switch is turned on Fig 9 adjusted by VR2 selected by IC4 BU4066BF accord ing to the mode andoutpu...

Page 10: ... the TX RX unit and mixed with the 73 045 MHz signal by 048 and 049 3SK184 R to generate the desired signal The signal passes through the band pass filter and is amplified by 050 2SC2954 to produce the drive out put which goes to the final unit from CN19 The signal is amplified to the appropriate power level for the type by the final unit Harmonic compo nents are attenuated by the filter unit and ...

Page 11: ...CIRCUIT DESCRIPTION Fig 10 Transmitter section block diagram ...

Page 12: ...llector voltage drops ALC time con stants C and R are connected to this collector The collector voltage change is shifted by Q4 2SK208 and D2 3 6V and matched with the voltage for keying by 0 5 and D3 RLS73 to generate the ALC voltage This ALC voltage activates ALC by lowering the second gate voltage of Q43 3SK131 M of theTX RX unit Fig 11 2 Power control circuit Power is controlled by lowering th...

Page 13: ...rcuit IC4 M62003FP monitors Vcc applied to the micro computer If the voltage falls below 2 15V the IC out puts a reset signal low to the microcomputer and the CPU initializes all internal data including memory chan nel data The reset signal is not output when the power is turned on or off or 14V isturned on or off It is output when the battery voltage level goes low and 14V is turned on or off C35...

Page 14: ...Fig 13 Digital control block diagram ...

Page 15: ...ro computer 4 PLL and DDS control circuit The TS 60s has three PLLs and two DDSs The main microcomputer outputs frequency data to the PLLs and DDSs serially according to the display fre quency 5 TX RX unit control signal circuit The microcomputer sends the mode signal IF filter select signal and power signal to the TX RX unit It receives meter signals and standby switch signals from the TX RX unit...

Page 16: ... group switched on data is read from the EEPROM If corrupt are pressed at the same time only the button with the data is detected the default adjustment data is used highest priority is detected listed below Adiustment data can be written into the EEPROM in KADl I KADZ 1 Priority s16 1 SPLIT 1 SIT IF LOCK I 1 S3 AIPIAT I S12 I DOWN 1 2 S5 S6 S7 Table 5 S8 I M V I S17 I A B service adjustment mode ...

Page 17: ...y the fre 18 quency step is made fine when it is turned quickly the 5V 5 v M37702M4A ENCODER DIGITAL UNIT LCDASSY I Fig 18 Encoder circuit 9 Busy signal 11 Beep The level of the port is monitored in receive mode The beep signal is generated using the timer in the and busy indication and busy stop are performed dur microcomputer The menu enable data beep onloff ing scanning mode beep warning Morse ...

Page 18: ...CIRCUIT DESCRIPTION 12 Subtone The subtone frequency is converted from digital to analog by a ladder resistor and a pseudo sine wave including the 1750 Hz tone is output Fig 20 Fig 20 Subtone circuit ...

Page 19: ...the menu number with the encoder change between menus A and B with the A B key and change settings with the UPIDOWN key pttch change 3 tone onlof le Morse on ning Morse 8 change w tch ng 150 Hzstec now orotect 2 overwrite eraseinhib when 1 MH a z step is on 72 I USB transmiVrece ve carrier point setting 100 200 r off onloif funct on I manual ...

Page 20: ...ion to a key specify the number in the following table us ing the UPIDOWN key in the order of 67 to 70 PFI to PF4 in menu B mode The PF keys are named PF1 PF2 PF3 and PF4 from the left as viewed from the front of the microphone Menu 16 Menu 17 A n NB F LOCK vlenu 52 vlenu 53 vlenu 54 DOWN MHz TF SET A B vlenu 66 IFF 14 VCO switching data Frequency VCO data 40MHz f 5OMHz 5OMHz f 6OMHz ...

Page 21: ...SEMICONDUCTOR DATA CPU M37702M4A265FP Digital Unit ICI Block diagram I I ...

Page 22: ...SEMICONDUCTOR DATA 1 TX L pulse DEN2 ECS ED1 ble chip select data outpuu pulse lect H sy r High sensitiv ty H ...

Page 23: ...erminal wnnection diagram Block diagram Terminal names Serial Data Clock Ser al Data Input Ser al Data Output I CS Q Instruction High voltage SK Q decoder generator control logic and l struabnl and clock program Dl generators timer register I 4618 I I Address register I I VPP 1 Readfflrite amps 16 bits I ...

Page 24: ...SEMICONDUCTOR DATA FinalTransistor SRFJ7001MP Final Unit 05 6 Drive Transistor 2SC1972 26 Final Unit 02 3 External View External View B E C Pair Maximum rating Ta 25 C Maximum rating Ta 25 k 3 C ...

Page 25: ...I EEP ment data n IC6 I Regularor I 14v 3t v tching tching D l 7 D9 D l 1 D l2 Dl3 Drtver Signal switch Sw tch ng Switching reverse flow prevention1 Power supply Zener dode Swltchlng IF UNlT X48 3110 00 Off Backup Destination selection OR arcuit Voltage shift Backup detection voltageshiftl Backup detection OperationlC tmpatibility On when O 5kHz filter IS selected On when 2 4kHz filter is selected...

Page 26: ...DESCRIPTION OF COMPONENTS ier switch switch 7 rn xer 11 10695Mcl PLL UNlT X50 3200 00 1 27 045M 1 27 045M arnpllfier ONIOFF ULK OR circuit TX RX UNlT X57 4570 00 ...

Page 27: ...ION OF COMPONENTS n in receive i n a1 low pob 0 2 62 35M 127 045MHz El constant sw Hz IN 10 695MHz 1 045MHz 1 0501 1 Signal switch 1 Transmit receivechangeover relay drive I 27 y down nitoring Jio muting OUT 72 ...

Page 28: ...urge absorption RF detection r receive r n e Ir supply usi tage constant vol DDS 1x58 4020 00 Ref No I UseIFu IC1 I DDS 1 OperationlConditionlCompatibility nction I Q1 I Buffer buffer VCO X58 4120 00 Ref No 1 UseIFunction I OperationlConditionlCompatibility 0 1 VCO1 A 1 113 045 123 044MHz B ling fier 0 2 0 3 0 4 0 5 Q6 Dl D2 D3 D4 Switching VCOl Switcl Arnpli Buffer Varca Switcl Var cap Switching ...

Page 29: ...erse flow prevention OperationlConditionlCompatibility CKY control ALC keying OperationlConditionlCompatibility TXB RXB On in transmit mode On in receive mode Sidetone Ref No 01 02 03 4 0 5 0 11 Dl 1 Dl 2 Dl3 UselFunction Switching Switching Switching Sw tching Oscillator Temperature compensation Switch ng Reverse flow prevention ...

Page 30: ...J SL RESISTORS Chip resistor Carbon EX1 m D E B 2 8 0 0 0 J 1 2 3 4 5 6 7 Chip 0 F L P R S T U Fled Orange Yellow Green Blue Violet Carbon resistor Normal type EX1 R D 1 4 B B 2 C Q Q Q J 1 2 3 4 5 6 7 1 Type ceramic electrolyt c etc 5 Voltage rating 2 Shape round square ect 6 Value 3 Dimension 7 Tolerance 4 Temp coeff cient 80 1 1 50 220 330 1 470 1 750 1 Example CC45TH 470 i 6OppmPC 2nd Word ppm...

Page 31: ...IRE PLL TXRX CONNECTING WIRE SP CONNECTING WIRE PLL TXRX AO1 2070 02 A01 2071 02 A22 0784 03 A62 0295 03 662 0296 03 FUSE 7SA ACSV Description a a 8 I METALLIC CABINET TOP METALLIC CABINET BOTTOM SUB PANEL PANEL ASSY PANEL SHIELDING PLATE F1LTER UNIT SHIELDING PLATE F1LTER COVER SHIELDING PLATE 0IGITAL SHADE BOTTOM CASE SHADE REAR SHIELDING PLATE INSULATING BOARD DIGITAL UNIT INSULATING BOARD FILT...

Page 32: ...9 4 8 1 4 0 4 K 2 9 4 8 1 5 0 4 K 2 9 4 8 1 6 0 4 K 2 9 4 8 1 7 0 4 K 2 9 4 8 1 8 0 4 N 1 5 1 0 4 0 4 6 N 3 2 2 6 0 6 4 6 N 3 3 2 6 0 6 4 5 N 3 5 2 6 0 4 4 6 N 3 5 2 6 0 6 4 6 N 3 5 4 0 1 0 4 6 N 8 7 2 6 0 6 4 6 N 8 7 3 0 0 8 4 6 N 9 9 0 3 8 3 0 5 S 5 0 1 4 0 6 0 5 T 0 7 0 2 9 8 0 5 T 9 1 0 5 2 8 0 5 8 3 8 0 7 1 9 1 5 X 4 5 3 4 9 0 0 0 X 4 6 3 1 8 0 1 1 X 4 6 3 1 8 2 7 1 XA8 3110 00 X 5 0 3 2 0 0 ...

Page 33: ...K CHIP C IOOOPF K ELECTRO lOUF 16WV CHIP C 0 IOUF K ELECTRO 470UF 25WV C H I P C 0 OIUF K C K 7 3 F B l E 1 0 4 K CK73FBlE103K CC45SL2H820J CM9302H391J C K 4 5 B l H 1 0 3 K C H I P C O IOUF K C H I P C 0 OIUF K CERAMIC 82PF J MICA 390PF J CERAMIC 0 OIOUF K CK73FBlE103K CK73FBlH102K C K 7 3 F B l E l 0 4 K C K 7 3 F B l H l 0 3 K CK73FBlH102K CHIP C 0 0 I U F K C H I P C lOOOPF K CHIP C 0 IOUF K C...

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