Kenwood TK-80 Service Manual Download Page 74

Page: 74 / 125

J72-0381-12

C106

C105

C104

C103

C102

C101

C100

C99

C98

C97

C96

R105

C93

C57

C92

C91

C89

C87

C85

C81

C79

C90

C88

C86

C84

C82

C80

R100

R145

R99

IC3

C56

C55

R44

TK-80

PC BOARD

CONTROL UNIT (X53-3570-21) Foil side view (J72-0381-12)

Ref. No. Address

IC3

IC4

Ref. No. Address

D14

Summary of Contents for TK-80

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any t...

Page 2: ...LIST 30 EXPLODED VIEW 45 PACKING 46 ADJUSTMENT 47 TERMINAL FUNCTION 55 LEVEL DIAGRAM 59 PC BOARD LCD ASSY B38 0739 15 62 FINAL UNIT X45 3520 21 64 CONTROL UNIT X53 3570 21 68 TX RX UNIT X57 4660 21 72 INTERCONNECTION DIAGRAM 76 SCHEMATIC DIAGRAM LCD ASSY B38 0739 15 78 FINAL UNIT X45 3520 21 80 CONTROL UNIT X53 3570 21 82 TX RX UNIT X57 4660 21 TX RX 84 TX RX UNIT X57 4660 21 PLL 88 BLOCK DIAGRAM ...

Page 3: ...nsmit until all RF connectors are verified to be secure and any open connectors are properly terminated SHUT OFF and DO NOT operate this equipment near elec trical blasting caps or in an explosive atmosphere This equipment should be serviced only by qualified tech nicians SERVICE This radiotelephone is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alig...

Page 4: ...Press POWER while holding MENU and MODE Turn DIAL or press any key DATA MENU MODE MODE RX frequency write mode 2 DATA MODE TX frequency write mode 2 DATA MODE Type of emission MODE write mode 2 DATA MODE Alphanumeric display data write mode 2 DATA DATA MODE MODE Transmit power limit write mode DATA 1 1 MENU MENU MENU MENU MENU Dealer menu mode Press DATA or MODE to switch memory channels Turn DIAL...

Page 5: ...t setting 00 000 00 when writing the receive frequency is com pleted the receive frequency setting is automatically writ ten to the transmit frequency memory channel as well Leading zeros are not suppressed in the frequency dis play Transmit frequency write mode 00 000 00 This mode is for writing transmit frequencies to the memory channels The frequency is set in single digits start ing from the 1...

Page 6: ...y of its write modes 5 2 Menu number selection To select menu numbers press the DATA or MODE keys 5 3 Selecting the setting contents To change menu settings turn the DIAL Note Menu numbers are designed to scroll in order continu ously Menu items are designed to scroll in order continuously If the menu is scrolling turn the DIAL to display the item then select the desired setting The selective call...

Page 7: ...le when neither of the two units is equipped with transmit power setting diode D7 7 VFO Functions Dip SW3 is set to ON when shipped from the factory Should the VFO mode fail to function please check to see that Dip SW3 is set to ON 7 1 Procedure 1 Press MENU to enable the user Menu mode 2 Press DATA or MODE to select No 00 3 Use DIAL to switch the memory to VFO 4 Press MENU to select VFO 7 2 Descr...

Page 8: ...ter REALIGNMENT 9 1 Selecting settings Begin by pressing MENU to display the User menu Press MODE or DATA to select the desired item num ber Use DIAL to change the setting Press MENU once more to complete the change Note Menu numbers are designed to scroll in order continu ously Menu items are designed to scroll in order continuously Menu item number 00 can only be set when DIP SW3 is set to ON Me...

Page 9: ...o pinch the lead when reattaching the case 2 Installing the selective call unit KPE 1 Option Remove the case in advance 1 Remove the two screws on the upper left and right sides of the front panel then loosen the two lower screws half way and pull the front panel forward 2 As shown in the figure set the front panel down on its face mount the optional circuit board X52 330 selective call and secure...

Page 10: ... 3 Installing the optional TCXO SO 2 or accessory of KPE 1 1 Remove the screws securing the shield plate then remove the shield plate 2 Remove the screws holding the X57 466 circuit board 3 Remove the CN19 black and CN1 red con nectors 4 Prior to installing the optional TCXO SO 2 or accessory of KPE 1 cut the lead wires on R682 and R683 5 Install the optional TCXO SO 2 or accessory of KPE 1 and ap...

Page 11: ...t changing the center frequency of the IF filter variable CW pitch sys tem 2 PLL Circuit Configuration The TK 80 PLL circuit uses a reference frequency of 20MHz and covers 100kHz to 30MHz Figure 2 shows a PLL block diagram and frequency configurations 2 1 Reference oscillator circuit The reference frequency fSTD for frequency control is generated by the 20MHz crystal oscillator X501 and Q525 The 2...

Page 12: ...531 533 535 2SK508NV K52 PLL IC500 F71022Z CF500 Q522 2SC2712 GR DDS2 IC501 F71022Z 695kHz IC504 NJM2594V IC506 NJM2594V IC505 UPC1686G 8 305 8 805MHz Q519 2SC2714 Y Q518 2SC2714 Y Q520 2SC2714 Y Q524 2SC2714 Y Q521 2SC2714 Y OSC Q517 2SC2714 Y 62 35MHz 1 195 1 695MHz CHOP 10MHz 10 695MHz N 39 99 VCO1 73 145 83 544MHz VCO2 83 545 94 544MHz VCO3 94 545 103 045MHz IC configuration IC configuration i...

Page 13: ...ine wave data of 0000 to FFFF hex in 16 bit offset binary format Fig 3 2π 228 7π 8 225 π 8 225 FFFFH 0000H Fig 3 1 605 2 5MHz ANT RX TX 30MHz 30MHz 30MHz D6 D8 D5 D7 D9 D10 D23 D24 D25 D26 2 5 4 5MHz D11 D12 4 5 8 0MHz D13 D14 8 0 10 5MHz D15 D16 10 5 14 5MHz D17 D18 14 5 21 5MHz D19 D20 21 5 30MHz D21 D51 D22 D50 1 605MHz 1 605MHz Q8 9 AIP ON AIP OFF 1st MIX Q4 7 IF LO1 73 145 103 045MHz FINAL UN...

Page 14: ...er the signal passes through the mute circuit Q49 has the volume controlled at IC6 and is amplified to the necessary electric power level at AF power amplifier IC7 3 1 Receiver front end The signal input to the TX RX unit passes through the 30 MHz low pass filter and signal above 1 605MHz goes to seven band pass filters When AIP is off the signal passes through each band pass filter D25 and D26 tu...

Page 15: ...re are two internal 10 695MHz IF filters and two op tional so a total of four can be installed 10 695MHz Part No Selection of each mode filter name CW SSB AM DATA DATA AFSK FSK AM L71 0433 15 SSB WIDE L71 0457 05 Option KIF 1 SSB L71 0249 05 CW L71 0283 15 Option YK 107C represents the initial set value represents selections which can be used when the op tional filter is attached DATA AFSK SSB DAT...

Page 16: ...h the CAR signal 10 695MHz input from CN9 by IC4 passed through Q51 and sent to the crystal filter passing through the filter is am plified by Q24 The signal is CAR level adjusted by the D48 pin diode and input to the mixer The 62 35MHz LO2 signal from the PLL unit is input from CN3 of the TX RX unit and mixed with the 10 695MHz signal which CAR level adjusted amplified by Q25 and Q26 to pro duce ...

Page 17: ...many control signals for TX RX unit and filter unit they are output to the shift register serial to parallel converter in series Fig 8 5 1 Power switch With this transceiver the power is turned on and off by the microcomputer When the power switch is pressed the microcomputer detects it and energizes the power relay to supply 14V to the transceiver When the power switch is pressed to turn the tran...

Page 18: ...LL DDS IC500 IC502 Serial Parallel IC10 IC15 IC16 DAC IC13 SM VSFM VSRM SS KEY KYS a d TX RX UNIT CPU IC5 5 2 Reset circuit IC3 monitors Vcc applied to the microcomputer If the voltage falls below 2 15V the IC outputs a reset signal L to the microcomputer and the CPU initializes all internal data including memory channel No 11 to 80 The reset signal is not output when the power is turned on or off...

Page 19: ... PCK IC5 CPU Fig 11 EEPROM circuit 5 5 Busy signal The level of the port is monitored in receive mode and busy indication and busy stop are performed during scan 5 6 Encoder circuit The encoder is a mechanical one The waveforms of the encoder pulses are rectified by IC1 and IC2 in the LCD as sembly and the number of pulses is counted by the hard ware counter in the microcomputer Fig 12 5 7 Serial ...

Page 20: ... FEN3 FEN2 VEN1 UCK UDA FEN1 FEN3 VEN1 FEN1 FEN2 FEN3 CN14 CN4 B8 B7 B6 B5 UDA UCK RES 5V B1 B2 B3 B4 NC FEN1 EN GND 16 9 8 1 DATA Vss NC CLK LCK Q0 Q1 Q2 Q3 Q4 SO Vdd OE Q11 Q10 Q9 Q8 Q7 Q6 Q5 DATA Vss NC CLK LCK Q0 Q1 Q2 Q3 Q4 SO Vdd OE Q11 Q10 Q9 Q8 Q7 Q6 Q5 VO2 VI1 VO1 VI2 VDD VEN1 UCK UDA VI3 VO3 VO4 VI4 VO7 VI8 VO8 VI7 GND RESET VDA DO VI6 VO6 VO5 VI5 10 10 1 1 12 13 24 20 11 11 1 20 5V 5V 5...

Page 21: ...r LPF1 LPF2 LPF5 LPF6 18AT FEN4 UCK UDA 21AT LPF3 LPF4 34 35 UCK UDA IC5 CPU FINAL UNIT CONTROL UNIT 8 bit false data bus IC7 I O port 7 28AT 24AT LPF4 select LPF1 select LPF2 select LPF5 select LPF6 select 18AT select LPF3 select 21AT select 24AT select 28AT select IC5 CPU IC7 I O port DGND DGND 5A 14S ATI SPED APRE ATA PR11 PR12 PR21 PR22 PR22 SPED ATI Vref AVss POD1 POD2 PR21 PR12 PR11 ATA APRE...

Page 22: ...47 I PLL lock decision H Lock L Unlock 17 TOE P46 O DTMF IC bus control H Enable L HighZ I Selective call unit attachment decision H Not attached L Attached 18 STD P45 I DTMF input decision H Input L No input 19 PCK P44 O For PLL DDS serial clock 20 SO P43 O Key matrix selection H HighZ Normal L Select 21 LBLK P42 O LCD all illuminate H All illuminate L Normal 22 TXC P41 O Transmission control H T...

Page 23: ...on not allowed L Transmission allowed 63 ABSL TXD0 O Selective call code transmission uart data output P83 O Local DDS PLL register selection H Register B latch V1 L Register A latch V2 64 FSD RXD0 I Selective call uart data input 65 P81 P81 I GND 66 CTS0 CTS0 I Selective call transmission authorization input H Transmission not allowed L Transmission allowed 67 Vcc Vcc I Power supply 68 AVcc AVcc ...

Page 24: ...21 TSO P16 O External AT control output 22 TTO P17 O External AT control output 23 Vcc Vcc I Power supply 24 31 D7 D0 D7 D0 I Data 7 0 32 RES RESET I Reset input 33 34 NC NC Not used 35 WR WR I Write control input 36 PR22 P07 O Motor 2 rotation direction control 37 PR21 P06 O Motor 2 rotation direction control 38 PR12 P05 O Motor 1 rotation direction control 39 PR11 P04 O Motor 1 rotation directio...

Page 25: ... selection ON During SSB mode OFF Other 8 SCB Q2 Mode selection ON During SSB mode or CW mode OFF Other 9 NC Q3 Not used usually ON 10 VOXS Q4 VOX setting ON VOX on OFF VOX off 11 PMU Q5 AF blanking during power supply OFF ON ABK on OFF ABK off 12 VCAS Q6 VCA selection ON VR OFF D A 13 ABK Q7 AF blanking ON ABK on OFF ABK off 14 MMU1 Q8 Microphone mute 1 input side ON Normal OFF During microphone ...

Page 26: ...ment D A converter 8 bit R 2R segment D A converter 8 bit R 2R segment D A converter 12 bit shift register Adress decoder D0 D7 D8 D11 8 8 8 1 2 3 4 7 6 5 NC Bypass Carrier input Signal input V Output 1 Output 2 GND D A Converter M62363FP TX RX unit IC13 Pin No Pin Name Port Name Description 1 2 NC VI1 VO1 Not used 3 POC VO2 Power control 4 5V VI2 Created from 14V at zener and resistive division 9...

Page 27: ...counter voltage bypass D9 Switching OR circuit D10 11 RF detection SWR power detection D12 Relay surge Transmit Receive changeover relay absorption D13 Spike surge Surge absorber absorption D14 Switching OR circuit D15 Surge voltage 14V line absorption Ref No Use Function Operation Condition D701 706 Relay surge LPF relay counter voltage bypass absorption CONTROL UNIT X53 3570 21 Ref No Use Functi...

Page 28: ...ct switch Ref No Use Function Operation Condition Q17 Switching AIP OFF ON Q18 Amplifier Buffer amplifier for NB noise amplifier Q19 Amplifier IF2 amplification Q20 Switching For NB Q21 Amplifier 10 695MHz amplification for receive Q22 Switching CKY H ON Q23 DC LPF ALC keying Q24 Amplifier 10 695MHz amplification for transmit Q25 26 TX 1st mixer LO2 62 35MHz IN 10 695MHz OUT 73 045MHz Q27 28 TX 2n...

Page 29: ... selection Q533 VCO2 83 545 94 544MHz Q534 Switching VCO3 selection Q535 VCO3 94 545 103 045MHz Ref No Use Function Operation Condition Q536 Buffer amplifier VCO output 73 145 103 045MHz Q800 Switching NB ON OFF Q801 802 Amplifier NB amplifier Q803 Amplifier AGC for NB Q804 Amplifier NB amplifier Q805 Switching NB amplifier Q806 Buffer amplifier NB amplifier Q807 808 Switching NB amplifier Q900 VO...

Page 30: ...ransistor of linear amplifier control D67 LED Voltage limiting D68 Zener diode 3 6V voltage shift D69 70 Reverse flow prevention COMPONENTS DESCRIPTION Ref No Use Function Operation Condition D71 Zener diode 12V voltage shift D72 73 Reverse flow prevention D75 Zener diode Reduce the output power when power supply voltage drop D76 79 Reverse flow prevention D80 Zener diode Reduce the output power w...

Page 31: ...0141 04 COLLAR MIC 8P 51 2A 3A K29 4973 04 KNOB VOL SQL CLA 50 3A K29 5080 13 KNOB MAIN DIAL B 2A N10 2070 46 HEXAGON NUT ENCODER A 2B N15 1040 46 FLAT WASHER C 2A N32 3006 46 FLAT HEAD MACHINE SCREW D 1A 3A N33 3006 45 OVAL HEAD MACHINE SCREW E 1A N35 3018 46 BINDING HEAD MACHINE SCREW F 2B N35 4010 46 BINDING HEAD MACHINE SCREW G 3A N67 3005 46 PAN HEAD SEMS SCREW H 1B N68 3008 46 PAN HEAD SEMS ...

Page 32: ...UF K TC1 C05 0030 15 CERAMIC TRIMMER CAPACITOR 20PF CN1 E04 0191 05 PIN SOCKET CN2 E40 3246 05 PIN ASSY CN3 E40 5764 05 FLAT CABLE CONNECTOR CN4 E40 3249 05 PIN ASSY CN5 6 E04 0154 05 PIN SOCKET CN7 E04 0191 05 PIN SOCKET CN9 E23 0996 05 TEST TERMINAL CN10 E40 5765 05 FLAT CABLE CONNECTOR CN11 E40 3252 05 PIN ASSY CN101 E23 0996 05 TEST TERMINAL CN104 E23 0996 05 TEST TERMINAL CN800 E40 3238 05 PI...

Page 33: ...L TRANSISTOR TH1 10KD 5 THERMISTOR 212 1021 05 INSULATING TUBE C1 6 CK73GB1H102K CHIP C 1000PF K C7 8 CC73GCH1H101J CHIP C 100PF J C9 19 CK73GB1H102K CHIP C 1000PF K C20 21 CK73GF1E104Z CHIP C 0 10UF Z C22 C92 0009 05 CHIP TAN 4 7UF 10WV C23 CK73GF1E104Z CHIP C 0 10UF Z C24 25 CK73GB1H102K CHIP C 1000PF K C26 C92 0009 05 CHIP TAN 4 7UF 10WV C27 32 CK73GB1H102K CHIP C 1000PF K C33 CK73FF1C105Z CHIP...

Page 34: ...CHIP R 470 J 1 16W R138 141 RK73GB1J102J CHIP R 1 0K J 1 16W R142 RK73GB1J472J CHIP R 4 7K J 1 16W R143 RK73GB1J471J CHIP R 470 J 1 16W R144 RK73GB1J223J CHIP R 22K J 1 16W R145 RK73GB1J103J CHIP R 10K J 1 16W R146 RK73GB1J471J CHIP R 470 J 1 16W R147 R92 1252 05 CHIP R 0 OHM J 1 16W R148 R92 0670 05 CHIP R 0 OHM R149 RK73GB1J103J CHIP R 10K J 1 16W R150 RK73GB1J221J CHIP R 220 J 1 16W S1 S62 0412...

Page 35: ...4Z CHIP C 0 10UF Z C98 99 CK73GB1H103K CHIP C 0 010UF K C100 CC73FCH1H010C CHIP C 1 0PF C C101 CC73FCH1H060D CHIP C 6 0PF D C102 104 CK73GB1H103K CHIP C 0 010UF K C105 CK73FB1H103K CHIP C 0 010UF K C106 CK73FB1H471K CHIP C 470PF K C107 CK73FB1H103K CHIP C 0 010UF K C108 CK73GB1H103K CHIP C 0 010UF K C109 CK73GB1H471K CHIP C 470PF K C110 CK73GB1H103K CHIP C 0 010UF K C111 CC73FCH1H270J CHIP C 27PF ...

Page 36: ...288 CC73GCH1H050C CHIP C 5 0PF C C289 CE04EW1E4R7M ELECTRO 4 7UF 25WV C290 293 CK73GB1H103K CHIP C 0 010UF K C294 CE04EW1C220M ELECTRO 22UF 16WV C295 CK73GB1H103K CHIP C 0 010UF K C296 CK73FB1H103K CHIP C 0 010UF K C297 CK73GB1H103K CHIP C 0 010UF K C303 CK73GB1H472K CHIP C 4700PF K C304 CK73FB1E104K CHIP C 0 10UF K C305 CE04EW1C470M ELECTRO 47UF 16WV C306 CK73FB1E104K CHIP C 0 10UF K C307 CK73FB1...

Page 37: ...D CHIP C 10PF D C561 CC73GCH1H221J CHIP C 220PF J C562 CC73GCH1H220J CHIP C 22PF J C563 CC73GCH1H151J CHIP C 150PF J C564 565 CK73FB1H103K CHIP C 0 010UF K C566 CK73GF1E104Z CHIP C 0 10UF Z C570 CC73GCH1H470J CHIP C 47PF J C571 CK73GB1H561K CHIP C 560PF K C572 CC73GCH1H470J CHIP C 47PF J C573 CC73GCH1H151J CHIP C 150PF J C574 CC73GCH1H680J CHIP C 68PF J C575 CC73GCH1H270J CHIP C 27PF J C576 CC73GC...

Page 38: ...7UF 25WV C810 CK73FB1H103K CHIP C 0 010UF K C811 CK73GB1H102K CHIP C 1000PF K C812 CC73GCH1H100D CHIP C 10PF D C813 814 CK73GB1H103K CHIP C 0 010UF K C815 816 CK73FB1H103K CHIP C 0 010UF K C817 CS77BA1C010M CHIP TAN 1 0UF 16WV C818 CE04EW1A101M ELECTRO 100UF 10WV C819 CK73FB1H103K CHIP C 0 010UF K C900 901 CC73GCH1H101J CHIP C 100PF J C902 CE04EW1A101M ELECTRO 100UF 10WV C903 904 CK73FF1C105Z CHIP...

Page 39: ...00 503 L41 1015 32 SMALL FIXED INDUCTOR 100UH L504 L40 6885 48 SMALL FIXED INDUCTOR 680NH L505 L40 1085 48 SMALL FIXED INDUCTOR 100NH L506 L40 8275 48 SMALL FIXED INDUCTOR 82NH L507 L40 5675 48 SMALL FIXED INDUCTOR 56NH L508 L41 1015 32 SMALL FIXED INDUCTOR 100UH L509 L41 3395 32 SMALL FIXED INDUCTOR 3 3UH L510 L40 1595 48 SMALL FIXED INDUCTOR 1 5UH L511 L40 2295 48 SMALL FIXED INDUCTOR 2 2UH L512...

Page 40: ...R 22K J 1 16W R76 RK73GB1J103J CHIP R 10K J 1 16W R77 RK73GB1J101J CHIP R 100 J 1 16W R78 RK73FB2A472J CHIP R 4 7K J 1 10W R79 RK73GB1J103J CHIP R 10K J 1 16W R80 81 RK73GB1J122J CHIP R 1 2K J 1 16W R83 RK73GB1J122J CHIP R 1 2K J 1 16W R85 RK73FB2A221J CHIP R 220 J 1 10W R86 RK73GB1J471J CHIP R 470 J 1 16W R87 RK73FB2A270J CHIP R 27 J 1 10W R88 RK73GB1J101J CHIP R 100 J 1 16W R89 RK73GB1J104J CHIP...

Page 41: ... 0M J 1 16W R223 RK73GB1J102J CHIP R 1 0K J 1 16W R224 RK73FB2A181J CHIP R 180 J 1 10W R225 RK73GB1J101J CHIP R 100 J 1 16W R233 R92 1252 05 CHIP R 0 OHM J 1 16W R235 RK73GB1J473J CHIP R 47K J 1 16W R236 RK73FB2A102J CHIP R 1 0K J 1 10W R237 RK73GB1J474J CHIP R 470K J 1 16W R238 RK73GB1J103J CHIP R 10K J 1 16W R239 RK73GB1J822J CHIP R 8 2K J 1 16W R240 RK73GB1J331J CHIP R 330 J 1 16W R241 RK73GB1J...

Page 42: ... 1 16W R395 398 RK73GB1J104J CHIP R 100K J 1 16W R399 RK73GB1J563J CHIP R 56K J 1 16W R400 RK73GB1J153J CHIP R 15K J 1 16W R401 RK73FB2A4R7J CHIP R 4 7 J 1 10W R402 RK73GB1J103J CHIP R 10K J 1 16W R403 RK73GB1J104J CHIP R 100K J 1 16W R404 RK73FB2A472J CHIP R 4 7K J 1 10W R405 RK73FB2A273J CHIP R 27K J 1 10W R406 RK73FB2A101J CHIP R 100 J 1 10W R407 RK73FB2A473J CHIP R 47K J 1 10W R408 RK73FB2A4R7...

Page 43: ... R638 639 RK73FB2A101J CHIP R 100 J 1 10W R640 RK73FB2A102J CHIP R 1 0K J 1 10W R641 RK73FB2A681J CHIP R 680 J 1 10W R642 RK73FB2A101J CHIP R 100 J 1 10W R643 RK73FB2A471J CHIP R 470 J 1 10W R644 RK73FB2A681J CHIP R 680 J 1 10W R645 RK73FB2A101J CHIP R 100 J 1 10W R646 RK73FB2A471J CHIP R 470 J 1 10W R647 RK73FB2A271J CHIP R 270 J 1 10W R648 RK73FB2A184J CHIP R 180K J 1 10W R649 RK73FB2A102J CHIP ...

Page 44: ... DIODE D65 02CZ6 2 Y ZENER DIODE D66 RLS245 DIODE D68 02CZ3 6 Z ZENER DIODE D69 70 1SS355 DIODE D71 02CZ12 Y ZENER DIODE D72 1SS355 DIODE D73 HSM88AS DIODE D75 02CZ3 3 Z ZENER DIODE D76 HSM88AS DIODE D79 1SS355 DIODE D80 02CZ4 7 Y ZENER DIODE D81 87 1SS355 DIODE D500 501 1SS355 DIODE D502 1SV166 VARIABLE CAPACITANCE DIODE D503 RLS135 DIODE D504 1SV166 VARIABLE CAPACITANCE DIODE D505 RLS135 DIODE D...

Page 45: ...ITAL TRANSISTOR TH1 157 502 53002 THERMISTOR TH2 157 501 53009 THERMISTOR TH3 157 302 53008 THERMISTOR TH4 157 102 53003 THERMISTOR TH5 157 302 53008 THERMISTOR TH6 157 502 53002 THERMISTOR TH7 157 103 55001 THERMISTOR TH8 9 157 102 53003 THERMISTOR TH10 157 502 53002 THERMISTOR TH11 157 104 53001 THERMISTOR PL1 6 B30 2147 08 LAMP C1 CK73FB1H103K CHIP C 0 010UF K C2 C92 0042 05 CHIP ELE 22UF 10WV ...

Page 46: ...005 46 H M3 x 8 N68 3008 46 J M3 x 6 Br Tap N87 3006 46 K M3 x 8 Br Tap N87 3008 46 M M2 6 x 5 TP N90 2605 45 N M3 x 10 TP T N91 3010 46 X45 B 2 W1 X57 W4 X57 W3 X57 Q6 Q5 Q4 Q3 Q2 Q1 W2 X57 A 2 Parts with the exploded numbers larger than 700 are not supplied If a part reference number is listed in a box on the exploded view of the PCB that part does not come with the PCB These parts must be order...

Page 47: ...ype 25A 32V F05 2531 05 25 Fuse Blade type 4A 32V F06 4027 05 751 Protection bag 56 Microphone T91 0562 25 35 Item carton case H52 1272 02 38 Carton board H13 0962 04 37 Polystyrene foamed fixture R H10 2788 02 36 Polystyrene foamed fixture F H10 2787 02 Parts with the exploded numbers larger than 700 are not supplied ...

Page 48: ...e indicated SSG output levels are for maximum out put Service Adjustment Mode 1 Function 1 Service adjustment mode is only to set the adjustment items displayed in the service adjustment mode menu 2 Adjusted data is all stored in the EEPROM 3 The EEPROM is only renewed when MENU No 39 is en tered and writing done by means of MODE or DATA 2 Setting 1 POWER ON while holding SCAN and DATA 2 Use DIAL ...

Page 49: ...quency Mode M CH Frequency Mode 01 7 250MHz USB 25 14 250MHz USB 02 500kHz AM 26 14 200MHz CW 03 10 499MHz AM 27 14 250MHz CW 04 10 500MHz AM 28 1 800MHz AM 05 21 499MHz AM 29 2 200MHz CW 06 21 500MHz AM 30 4 000MHz CW 07 29 999MHz USB 31 7 000MHz CW 08 14 150MHz CW 32 12 750MHz LSB 09 100kHz CW 33 18 500MHz USB 10 14 150MHz CW 34 26 000MHz USB 11 14 250MHz CW 35 14 300MHz USB 12 3 500MHz CW 36 14...

Page 50: ...7 VCO3 1 M CH 06 TX RX TC505 2 0V 0 1V lock voltage check 2 M CH 07 Check 7 0V or less 8 LO1 1 M CH 08 RF V M CN501 Level check 0 5 5 0dBm level check Pull out CN501 LO1 50Ω Insert CN501 after the check terminated 9 LO2 1 M CH 08 CN502 TX RX L531 Level check 0 3 0dBm 62 35MHz Pull out CN502 LO2 0dBm or less level check Insert CN502 after the check Maximum for L531 Item Condition Measurement Adjust...

Page 51: ...h adjustment SCAN and DATA keys panel or S1 Service adjustment mode DATA Menu No 29 SSG f 14 101MHz SSG OUT 107dBm 1µV S9 2 Menu No 30 SSG OUT 81dBm 19 9µV Full scale 3 Menu No 31 SSG OUT 41dBm 1 99mV 7 SQL 1 Menu No 32 1 push threshold SSG OUT OFF adjustment SQL VR Center 8 SQL VR 1 Menu No 33 1 push adjustment SSG OUT OFF SQL VR Center 9 CLARI VR 1 Menu No 34 1 push adjustment SSG OUT OFF CRARI ...

Page 52: ...9dBm OFF 22 28 687 0kHz USB 119dBm OFF Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method Transmitter Section 1 ALC voltage 1 M CH 11 D V M TX RX TP1 TX RX VR12 2 7V 0 05V 0 10V adjustment Transmit 2 TX AMP 1 M CH 11 50Ω CN19 L60 Repeat adjustment CAR at 14 250MHz MAX adjustment Insert the measure cable to terminated L61 2 to 3 times CN19 Os...

Page 53: ...1 Power ON while holding the Power meter Rear ANT Front MODE 100W 5 0W adjustment SCAN and DATA keys panel panel or 100W Service adjustment mode DATA Menu No 01 Transmit 50W 2 Menu No 02 50W 3 0W Transmit 25W 3 Menu No 03 25W 2 5W Transmit 15W 4 Menu No 04 15W 1 5W Transmit 12 5W 5 Menu No 05 12 5W 1 0W Transmit 10W 6 Menu No 06 10W 1 0W Transmit 6 25W 7 Menu No 07 6 25W 0 5W Transmit 3 75W 8 Menu...

Page 54: ...u No 27 LSB Power meter While observing the adjustment Menu No 28 USB AG oscilloscope wave AG1 300Hz 3mV Oscilloscope forms adjust so the AG2 2700Hz 3mV Coupler waveforms cross Transmit At LSB or USB adjust while pressing MODE or DATA key 20 ROM data 1 Turn the DIAL to select Menu No 39 Display READY Press MODE or DATA Write Finish GOOD writing 21 Display 1 Menu No 36 Check LCD all segments light ...

Page 55: ...ew FINAL UNIT X45 352 A 2 VR2 TH1 VR1 VR3 CN104 TC1 TC503 TC504 TC505 TP504 CN501 VR12 VR6 VR8 VR7 VR14 VR4 VR1 VR9 VR10 TP505 L515 L514 L513 TP501 TC501 L69 L67 L65 L64 L61 L60 L63 L48 L44 L49 L51 VR3 VR2 CN19 TC502 L531 TP506 TP1 TP503 L38 L42 L43 CN4 L539 CN502 CN7 FAN TP2 L75 L76 TX RX UNIT X57 466 ...

Page 56: ...4AG 14V for audio IC GND 6 14AF 14V for audio IC 7 8A 8V 8 14S 14V switched CN11 1 GND GND 2 4AT AT band data 2 40000 4 49999MHz CN No Pin No Pin Name Function CN11 3 7AT AT band data 4 50000 7 99999MHz 4 14AT AT band data 8 00000 14 49999MHz 5 18AT AT band data 14 50000 18 99999MHz 6 21AT AT band data 19 00000 21 99999MHz 7 24AT AT band data 22 00000 26 99999MHz 8 28AT AT band data 27 00000 29 99...

Page 57: ...CTS PC I F clear to send 4 RXD PC I F RX data 5 TXD PC I F TX data CN No Pin No Pin Name Function CN4 6 AMUT Audio mute 7 VAF AF volume voltage 8 SIDE Sidetone 9 BZ Beep 10 BSY Busy signal 11 CKY Keying control 12 RXC Receive control 13 TXC Transmit control 14 SM Signal meter voltage 15 VSFM Forward wave voltage 16 VSRM Reflected wave voltage 17 FEN3 Shift register 3 enable 18 FEN2 Shift register ...

Page 58: ... CN14 1 DGND Digital GND 2 RTS PC I F request to send 3 CTS PC I F clear to send 4 RXD PC I F RX data CN No Pin No Pin Name Function CN14 5 TXD PC I F TX data 6 AMUT Audio mute 7 VAF AF volume voltage 8 SIDE Sidetone 9 BZ Beep 10 BSY Busy signal 11 CKY Keying control 12 RXC Receive control 13 TXC Transmit control 14 SM Signal meter voltage 15 VSFM Forward wave voltage 16 VSRM Reflected wave voltag...

Page 59: ... 62 35MHz CN503 1 CAR CAR output 10 695MHz 2 GND GND W1 1 NBI NB amplifier signal input 2 NBG NB GND LCD ASSY CN No Pin No Pin Name Function CN1 1 DGND Digital GND 2 VAF AF volume voltage CN No Pin No Pin Name Function CN1 3 VCL Clarifier volume voltage 4 VSQL Squelch volume voltage 5 SS Standby switch 6 MU Microphone UP switch 7 MD Microphone DOWN switch 8 LDA LCD control data 9 LCK LCD control c...

Page 60: ...TK 80 59 LEVEL DIAGRAM TX Section MIC input 1kHz 5mV The AF level is measured by an AF VTVM The RF level is measured by an RF VTVM ...

Page 61: ...ned During measurement the beat frequency of the AF output is normally 1kHz RX Section 3 The signal type connector TP shown by is measured by removing the coaxial cable inside the set which is connected to that connector and connecting the signal generator in its place The station transmission system connector shown by is a value measured by connecting the coaxial cable within the set connected to...

Page 62: ...TK 80 61 LEVEL DIAGRAM Local Oscillator Section ...

Page 63: ...62 J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J1 1 2 3 4 5 6 7 8 TK 80 PC BOARD LCD ASSY B38 0739 15 Component side view Component side Foil side Layer 1 Layer 2 New PCB ...

Page 64: ... 7 8 9 10 11 12 13 14 R25 D2 R26 R27 R24 MIC MICG AGND SPO SPOG 1 5 C24 C18 C17 C16 C15 C14 C19 CN2 PC BOARD TK 80 LCD ASSY B38 0739 15 Foil side view Component side Foil side Layer 1 Layer 2 Ref No Address IC1 6I IC2 10G D2 11C New PCB ...

Page 65: ...B CN3 THP D1 D2 L10 Q4 E C B R15 R14 VR2 L11 L12 L7 L6 C16 NC GND 14S 5A BOVR DGND UCK TS NC 8A 14V PSC THP UDA FEN4 TT CN1 DRV Q1 B C E B C E Q2 B C E Q3 C17 C18 R19 R20 R17 R16 R21 R22 CN101 D4 C77 D15 D3 D5 Q5 C B E E C B E E L13 L14 C30 C29 C32 CN2 2 1 FAN FAN L15 C35 W1 BLK RED 14V 14V GND GND L16 TH1 Q6 L8 C11 VR1 L4 L5 1 J72 0380 11 B 2 TK 80 PC BOARD FINAL UNIT X45 3520 21 Component side v...

Page 66: ...1 L20 L19 VR3 F2 GND 4AT 7AT 14AT 18AT 21AT 24AT 28AT 1 8 A1 CN104 A2 CN4 1 5 GND TS TT AGND 14S L601 L17 LPF2 14S LPF3 LPF5 LPF6 LPF4 LPF1 K2 CN5 AT1 CN6 AT2 R101 C57 D11 D10 TC1 K102 K202 L102 L202 C504 L502 L302 K502 K302 K602 K402 C604 L602 L402 W2 ANT CN9 ANT GND J72 0380 11 A 2 PC BOARD TK 80 Component side Foil side Layer 1 Layer 2 Ref No Address IC2 8C IC3 8D Q1 0G Q2 9F Q3 9I Q4 7E Q5 6F ...

Page 67: ...01 K501 K201 K101 L201 L101 L501 L401 C401 C601 C301 C501 C201 C206 C202 C203 C207 C204 C205 C208 C505 C503 C304 C305 C502 C302 C602 C603 C607 C605 C404 C405 C303 C307 C402 C403 Q6 L8 C11 VR1 L4 L5 CN7 RAT L21 CN11 L20 L19 VR3 F2 GND 4AT 7AT 14AT 18AT 21AT 24AT 28AT 1 8 A1 CN104 A2 CN4 1 5 GND TS TT AGND 14S L601 L17 LPF2 14S LPF3 LPF5 LPF6 LPF4 LPF1 K2 CN5 AT1 CN6 AT2 R101 C57 D11 D10 TC1 K102 K2...

Page 68: ... Q16 Q15 1 3 4 5 1 3 4 5 1 3 4 5 1 3 4 5 C58 C72 C71 C70 C69 C66 C67 C68 C60 C55 C73 L23 L22 IC4 1 10 11 20 C63 L704 D704 D706 D703 D705 D702 D701 C7 C8 R5 C1 C9 C10 R7 C4 R6 R4 L702 Q21 C25 C12 R13 L703 Q19 Q20 R27 R33 R28 R26 R29 IC1 1 4 5 8 R32 C44 C5 R43 C14 R12 C74 C20 R34 R36 R J72 0380 11 A 2 TK 80 PC BOARD FINAL UNIT X45 3520 21 Foil side view J72 0380 11 ...

Page 69: ...C54 C53 C3 R9 C13 C22 C27 4 R36 R35 R23 R24 R11 R40 R41 R42 C48 C38 C39 R30 C42 C41 C52 C51 R80 C28 C76 C75 R801 J72 0380 11 B 2 FINAL UNIT X45 3520 21 Foil side view J72 0380 11 PC BOARD TK 80 Component side Foil side Layer 1 Layer 2 Ref No Address IC1 3J IC4 11G Q7 10P Q8 10O Q9 3K Q12 4K Q13 13F Q14 3D Q15 12G Q16 12G Q17 12F Q18 12F Q19 6H Q20 3H Q21 8H D6 10O D7 2M D8 10O D9 3K D12 13E D14 10...

Page 70: ...1 C25 C12 R13 R10 C21 C19 C15 C23 C26 C84 L703 Q19 Q20 R27 R33 R28 R26 R29 C40 L9 C24 R18 C31 Q12 D9 Q9 C34 C78 D7 IC1 1 4 5 8 R32 C44 C54 C53 R43 C14 R12 C74 C3 R9 C13 C20 C22 C27 R34 R36 R35 R23 R24 R11 R40 R41 R42 C48 C38 C39 R30 C42 C41 C52 C51 R80 C28 C76 C75 R801 J72 0380 11 A 2 J72 0380 11 B 2 TK 80 PC BOARD FINAL UNIT X45 3520 21 Foil side view J72 0380 11 FINAL UNIT X45 3520 21 Foil side ...

Page 71: ... R9 R11 R13 R15 R17 R19 1 1 R4 R6 R8 R10 R12 R14 R16 R18 D18 R146 1 7 8 14 R51 R52 R54 R80 R81 Q4 Q6 D7 Q3 Q5 R104 R103 L10 BA1 R77 R60 R42 R75 R133 R132 R142 1 60 61 80 CN2 12 1 DGND TOE Q1 Q2 Q3 Q4 STD DGND 5A FSD FSL DGND CN1 DGND RTS CTS RXD TXD AMUT VAF SIDE BZ BSY CKY RXC TXC SM VSFM VSRM FEN2 FEN2 VEN1 UCK UDA FEN1 KYS KEY SS GND CN4 CN3 TK 80 PC BOARD CONTROL UNIT X53 3570 21 Component sid...

Page 72: ...PED ATA PR12 PR22 VREF POD1 DGND 5A ATI APRE PR11 PR21 ATG POD2 R123 R124 R126 R128 R130 R125 R127 R129 R131 R92 R95 R83 R84 R85 R86 R87 R88 R89 R90 D11 D12 IC5 1 20 21 40 41 60 61 80 RESET C34 R58 C33 IC6 1 4 5 8 C94 CN6 R82 R122 R120 R121 IC7 1 11 12 22 23 33 34 44 GND ABSL DEN2 CASL DEN1 NC PLS PEN1 PDA PCK ULK VB3 VB2 VB1 DCLY GND CN5 PC BOARD TK 80 CONTROL UNIT X53 3570 21 Component side view...

Page 73: ...PR12 PR22 VREF POD1 DGND 5A ATI APRE PR11 PR21 ATG POD2 R123 R124 R126 R128 R130 R125 R127 R129 R131 R92 R95 R83 R84 R85 R86 R87 R88 R89 R90 D11 D12 Q3 Q5 R104 R103 L10 BA1 R77 R60 R42 R75 R133 R132 R142 IC5 1 20 21 40 41 60 61 80 RESET C34 R58 C33 IC6 1 4 5 8 C94 CN6 R82 R122 R120 R121 IC7 1 11 12 22 23 33 34 44 CN2 12 1 DGND TOE Q1 Q2 Q3 Q4 STD DGND 5A FSD FSL DGND CN1 DGND RTS CTS RXD TXD AMUT ...

Page 74: ... C100 C99 C98 C97 C96 R105 L9 C93 L8 C57 C92 C91 C89 C87 C85 C81 C79 C90 C88 C86 C84 C82 C80 R100 R145 R99 IC3 1 4 5 8 L7 C56 C55 R44 S3 S1 TK 80 PC BOARD CONTROL UNIT X53 3570 21 Foil side view J72 0381 12 Ref No Address IC3 7F IC4 5P Q1 5O Q2 5P Q7 5O Ref No Address D1 6M D4 4O D5 6O D6 6P D14 4O ...

Page 75: ...C58 C60 C62 C64 C66 C68 C70 C108 C75 C76 C77 C78 C74 C59 C61 C63 C110 C65 C67 C69 C111 C23 C22 C21 C19 C20 C18 C16 C14 C12 C10 C8 C6 C4 C2 C17 C15 C13 C11 C9 C7 C5 C3 C1 R141 R138 R139 R140 D1 R149 D5 R22 R23 L1 C107 R147 R32 R24 R25 R26 R28 R30 C32 C31 C29 C27 C24 C25 C30 C28 R43 R31 R29 R27 D6 Q2 C26 PC BOARD TK 80 CONTROL UNIT X53 3570 21 Foil side view J72 0381 12 Component side Foil side Laye...

Page 76: ...134 R135 C53 C54 R47 R49 C72 C73 C58 C60 C62 C64 C66 C68 C70 C108 C75 C76 C77 C78 C74 C59 C61 C63 C110 C65 C67 C69 C111 C23 C22 C21 C19 C20 C18 C16 C14 C12 C10 C8 C6 C4 C2 C17 C15 C13 C11 C9 C7 C5 C3 C1 R141 R138 R139 R140 D1 R149 D5 R22 R23 L1 C107 R147 R32 R24 R25 R26 R28 R30 C32 C31 C29 C27 C24 C25 C30 C28 R43 R31 R29 R27 D6 Q2 C26 TK 80 PC BOARD PC BOARD TK 80 CONTROL UNIT X53 3570 21 Foil sid...

Page 77: ...13 D15 D17 D51 D19 D21 Q518 Q523 IC508 D501 D500 IC900 Q902 Q81 Q901 D8 D50 D10 D23 D12 D14 D16 D18 D20 D22 IC10 D25 Q3 Q521 D69 D70 D71 D73 Q61 Q67 D81 IC901 D45 Q69 D80 D4 C679 C677 C676 C678 C674 C518 C519 C516 C517 C515 C705 R540 R539 R537 R536 R565 C514 C513 C11 C683 R662 R544 R542 R312 R313 C706 C671 C680 C713 C681 C685 C690 C700 C702 C693 C691 C695 R669 R671 R686 R538 R568 R566 C550 C549 R4...

Page 78: ...1 R242 C370 C366 C801 C802 C804 C811 C813 R817 R815 R802 R819 R811 R809 R806 R807 R361 R333 R142 R54 338 C353 R337 C258 R219 R216 R214 R233 R125 R123 R134 R128 C183 R135 C176 R124 R120 R117 R245 C182 C131 C128 C178 R129 R94 R68 R77 R76 R79 C123 C121 C122 R362 C371 R804 R239 R238 C275 R349 R394 R392 R391 R390 R389 C368 C140 C396 C395 C399 C284 C220 C240 C227 C237 R250 R247 C398 C397 C393 C394 R277 ...

Page 79: ...46 C47 C53 C60 C54 C61 C67 C68 C55 C62 C69 C41 C48 R903 R900 R917 R155 R156 R217 R213 R290 R366 R368 C386 R215 R218 C276 C202 C201 R912 R902 R915 R908 R901 R916 R909 C906 R911 R910 R913 R907 C379 C378 C311 C409 C407 R417 R416 C406 C380 C381 C382 C383 C303 C408 R420 R314 R315 R402 R249 R275 R253 R175 R195 R198 R184 R192 R190 R193 R200 R203 R202 R204 R205 R393 R255 C277 R248 R209 R246 R210 C239 C241...

Page 80: ...6 C147 C175 C173 C172 Q25 Q26 Q6 Q7 Q9 Q8 G G S S D D G S D G G S S D D G S D 1 2 3 4 1 2 3 4 R118 R133 R130 R132 R137 R136 R138 R139 R140 R145 C186 C116 C101 Q10 1 2 3 4 C100 C96 R35 C87 C115 C187 R126 C194 C195 C106 C105 C111 C203 C198 C210 C209 C77 C78 R26 C208 C107 C82 C81 R97 D37 D32 D34 D38 D53 D52 D54 Q75 Q59 B C E R407 R367 R404 D55 R187 R183 R182 R181 R100 TH6 TH2 C225 C134 C154 C148 C219...

Page 81: ... R21 R23 R42 C612 C668 R677 R586 C589 R620 R618 C598 C596 C595 R680 R6 C7 R413 C672 C682 R823 C692 C707 R573 R572 R571 C647 R647 R570 Q514 C505 C504 Q528 R643 R644 R641 R640 R639 R636 C645 C643 Q527 R632 Q526 C638 R633 Q525 PC BOARD TK 80 Component side Foil side Layer 1 Layer 2 Ref No Address IC11 13H Q1 5M Q4 5I Q5 5I Q6 6I Q7 6I Q8 6J Q9 6J Q10 8I Q11 8H Q12 8H Q19 8G Q20 8G Q24 7F Q25 5G Q26 6...

Page 82: ...126 C194 C195 C106 C105 C111 C203 C198 C210 C209 C77 C78 R26 C208 R9 R11 R13 R15 R1 R7 C9 C8 R3 R5 C15 C13 C12 C2 Q1 R17 R19 R21 R23 C107 C82 C81 R97 D37 D32 D34 D38 D53 D52 D54 Q75 Q59 B C E R407 R367 R404 D55 R187 R183 R182 R181 R100 TH6 TH2 C225 C134 C154 C148 C219 R85 C222 R178 R273 R115 C168 R258 C169 Q31 1 2 3 4 Q30 1 2 3 4 Q36 Q51 D59 R408 C323 C808 C805 Q802 Q801 D64 C336 C330 R311 R307 D8...

Page 83: ...TK 80 76 INTERCONNECTION DIAGRAM ...

Page 84: ...TK 80 77 INTERCONNECTION DIAGRAM ...

Page 85: ......

Page 86: ...SEG55 5 SEG26 76 SEG54 4 SEG27 77 SEG53 3 SEG28 78 SEG52 2 SEG29 79 SEG51 1 SEG30 80 CLOCK 32 SEG49 99 DATA IN 33 SEG48 98 DATA OUT1 34 SEG47 97 DATA OUT2 35 SEG46 96 OSC OUT 36 SEG45 95 OSC OUT 37 SEG44 94 OSC IN 38 SEG43 93 EXT INT 39 SEG42 92 VDD 40 SEG41 91 D S 41 SEG40 90 GND 42 SEG39 89 SEG TEST 43 SEG38 88 BLANK 44 SEG37 87 SYNC 45 SEG36 86 COM OUT 46 SEG35 85 VLC1 47 SEG34 84 COM A 48 SEG3...

Page 87: ...CL VSQL SS MU MD LDA LCK 3 4 5 6 C4 1000p R11 100 7 R8 100 C5 1000p 8 9 CONTROL CN1 K1 EDP2 EDP1 K0 K3 K2 K4 14 12 11 13 16 15 17 C6 0 01u R13 100 LEN1 LBLK 20 C7 0 01u R14 100 R15 100 19 C8 0 01u S1 0 11 COM A B R30 0 R31 12 SQL CLARI AF 2 1 2k R29 50k 26 3 3k R35 VR1 3 VR3 50k VR2 4 50k 1 2k R28 R34 3 9k R32 0 17 18 15 16 13 14 10 S5 S6 S7 DATA MENU MODE S2 S3 S4 SCAN AT POWER 10 1 4W 10 1 4W R2...

Page 88: ...0k R4 1 2M C3 0 01u R6 22k R7 2 2k R10 2 2k 22k R5 8 9 20 19 22u10 C2 L2 100m R9 15k 15k R12 COM2 COM1 LCD1 SLU10098 01 C14 0 01u C9 0 01u 14S L3 10m 8A 5A 26 5C DGND RAF C10 0 01u 26 R24 47 C11 22u25 MICG MIC SPOG SPO AGND R27 47 R26 47 R25 47 J1 C15 0 01u C16 0 01u C17 0 01u C24 C18 0 01u 10u10 4 6 5 7 8 1 3 2 0 01u C19 IMN10 D2 IC2 OUT GND TA7809F C12 10 1W R37 10 1W R36 0 1u IN 7 6 0 1u C13 5 ...

Page 89: ... 01u C33 0 01u 02CZ18 X D6 LFB01 0 01u C36 D8 C37 0 1u 10u L24 K1 1000p C39 DTC143TK Q7 1000p C85 C38 0 01u R30 1k D14 DAN202K Q8 DTC114EK RELAY DRIVE Q7 TRANSISTOR SWITCHING SWITCHING D14 C43 0 1u C47 0 1u C48 1000u25 OUT GND IN IC2 UPC7805H C45 C41 0 1u 10u25 10u25 C49 0 1u C51 REGULATOR C84 0 01u D9 DAN202K GND UPC7808H IC3 OUT 10u25 C42 0 1u IN C46 REGULATOR 10u25 C52 C50 0 1u F1 5A 1 4 2 3 7 ...

Page 90: ... 14AF 14S 8A 14AG TXB VSR GND 1 CN10 VSR 8A 14S TXB 14AG 14AF GND VSF TX RX CN15 21AT 1 GND 4AT 7AT 14AT 18AT W103 AT B 5 CN11 8 24AT 28AT 7AT 4AT GND 21AT 18AT 14AT 28AT 24AT DGND 16 BOVR THP 1 CN3 UDA UCK FEN4 TS TT CONTROL CN3 NC NC GND 5A 14V 14S 8A PSC 8A GND NC NC 5A 14V 14S DGND THP BOVR PSC TS FEN4 UCK UDA TT 1 16 VDD VSS OE 15 NC 2 SO 14 DATA 3 Q11 13 CLK 4 Q10 12 LCK 5 Q9 11 Q0 6 Q8 20 Q...

Page 91: ...2 C401 C403 K401 47p LFB01 D704 C402 L401 C405 K402 C704 0 01u L704 100u 47p C504 L502 C501 C503 K501 15p LFB01 D705 C502 L501 C505 K502 C705 0 01u L705 100u 47p C604 L602 C601 C603 120p C607 10p K601 12p LFB01 D706 C602 L601 C605 K602 C706 0 01u L706 100u 820p 1800p 820p 270p 270p 180p 330p 150p 120p 220p 100p 68p 68P 2 4 4 499MHz 4 5 7 999MHz 8 14 499MHz 14 5 21 499MHz 21 5 30MHz L17 1SS101 D10 ...

Page 92: ...k R87 47k R88 47k R89 47k R90 47k 1SS355 D2 7 R32 10k 3 2 5 3 0 022u C35 10k R47 R46 10k 0 01u 4 7k R49 R48 10k C36 R43 470k 10k R44 R150 220 33p C55 C56 33p 1M R57 X1 7 3728MHz 5 4 5 3 1 2 R94 10k R93 10k R92 10k 1 3 R103 10k R104 10k 2 37702E8LHJMHF IC5 CPU R58 10k 1SS355 0 R148 D7 R99 22k R100 22k 1SS355 D8 1SS355 D9 1SS355 D10 OFF ON 1SS301 D11 SWITCHING D15 1SS355 S1 OFF ON S3 1SS355 D12 D13 ...

Page 93: ...GND C79 0 01u R106 2 ABSL C80 1000p R107 3 DEN2 C81 0 01u R108 4 CASL C82 1000p R109 5 DEN1 6 NC 7 PLS C84 0 01u R110 8 PEN1 C85 1000p R111 9 PDA C86 1000p R112 10 PCK C87 1000p R113 11 ULK C88 0 01u R114 12 VB3 C89 0 01u R115 13 VB2 C90 0 01u R116 14 VB1 C91 0 01u R117 15 VDLY C92 0 01u R118 16 GND 470 220 220 220 220 220 220 220 220 220 220 220 220 PLL CN500 CN5 470 100 100 18u L8 SN74ALS04BNS 1...

Page 94: ...7 6 5 4 3 R70 470 R62 220 220 470 R64 R63 470 R66 R65 R146 470 R67 470 R68 470 470 R69 0 470 470 R72 R71 R73 22k R74 470 47u L5 RTS DGND 2 1 L7 18u 100 R78 C76 0 01u C77 0 01u R79 100 C78 0 01u L6 47u 2 4 3 1 13 100k R60 100k R59 C48 1000p 220 R52 UDA 5 R53 4 220 UCK C49 1000p C50 1000p R54 FEN4 3 C51 1000p R55 TS 2 C52 1000p R56 TT 1 6 DGND R51 470 C47 0 1u 7 THP R143 470 C46 0 1u 8 BOVR R50 470 ...

Page 95: ...60 1k R361 B3 B2 6 7 B4 UEN NC 4 5 3 11 B6 B7 10 B5 UCK UDA 13 12 14 GND 1 2 IC10 5V UPD6345GS 16 15 8 B1 B8 9 I O PORT EXPANTION R299 10k R300 10k R301 10k R302 10k R303 10k R304 10k R305 10k R306 10k B1 B2 B3 B4 B6 B8 B7 B5 C327 0 01u 0 1u C328 1 2 3 1m L81 SWITCHING SWITCHING RLS135 D24 0 27u L31 L32 0 27u L34 1m C71 68p C75 68p C73 150p C72 6p C74 18p C77 0 1u C78 1000p R26 150 L33 R25 470 C76...

Page 96: ...15 Q2 Q7 Q9 Q8 Q0 Q1 5 7 6 Q6 Q5 Q3 8 Q4 10 9 R389 100k 1 2 R390 100k 3 R391 100k 4 R392 100k R349 10k 0 01u C358 1 2 RBK 3 4 I O PORT EXPANSION TP1 Q10 LCK 7 Q1 Q0 Q4 Q3 Q2 9 10 7 6 8 12 Q6 Q5 11 Q7 Q9 Q8 15 14 13 CLK DATA NC VSS 4 3 5 I O PORT EXPANSION 1 2 OE SO Q11 16 18 17 IC16 BU2099FV VDD 19 20 0 01u C359 DTA124EK Q76 Q77 FMA5 Q78 FMA5 8 10k R347 D27 1SS355 R334 680 C352 1000p R335 680 2SA1...

Page 97: ...C255 100u10 C254 100 R213 22k R215 2 2k R217 2SC2712 Y Q39 AMPLIFIER 2 7 6 4 5 8 11 10 9 1 3 2 BU4066BCFV IC3 14 13 12 SWITCHING C277 0 033u 0 1u C280 22k R246 C281 3300p R254 100k R393 100k 100k R255 8 6 Q47 DTA124EK SWITCHING 1SS355 D82 D84 1SS355 D85 1SS355 0 1u C284 3 3k R257 1k R249 4 7k R250 47k R247 10u16 C283 2 7k R252 220 R251 22u16 C282 27k R248 4 7k R253 2 2k R274 Q48 2SC2712 Y Q49 2SD1...

Page 98: ...66 0 4 3 1 6 7 8 2 5 C267 1000p C266 1000p C265 1000p C264 1000p C263 1000p D49 1SS355 1 4 3 1SS355 D28 Q81 DTC114EK Q80 DTA114EK 2 1 47k R201 47u L78 ACC2 J2 CAR CAR GND 1 2 GND PLL CN503 CN9 W4 CN10 SP SPG SP 2 1 J5 EXT SP 2 C378 0 01u 0 01u C379 2 C296 0 01u R273 100 100u L53 C130 0 01u R81 1 2k 100 R265 BALANCED MODULATION IC4 D63 3 1 CN11 PH1 PH2 PHG 3 1 100 R801 100 R800 PHONES LCD ASSY MIC ...

Page 99: ... 1000p C262 10u16 C261 100 R225 4 7u25 C260 82k R220 1M R222 100 R221 10u16 C259 1k R223 1 2SC2712 Y Q21 SWITCHING D32 34 43 AMPLIFIER AMPLIFIER C258 0 01u 47u16 C257 10u16 C256 R219 10k 100k R214 560 R218 5 6k R216 10u16 C255 100u10 C254 100 R213 22k R215 2 2k R217 2SC2712 Y Q39 AMPLIFIER 2 7 6 4 5 8 11 10 9 1 3 2 BU4066BCFV IC3 14 13 12 SWITCHING C277 0 033u 0 1u C280 22k R246 C281 3300p R254 10...

Page 100: ...S2 CHOP NCNP 15 14 13 VSS3 DA1 DA0 18 17 16 DA6 34 35 36 DA10 DA11 VSS8 VDD4 33 32 VSS7 DA7 28 27 DA9 DA8 31 30 29 VSS6 VSS4 DA3 22 21 20 DA2 DA4 DA5 23 26 25 VDD3 VSS5 24 0 1 2 3 100u L501 0 01u C501 100u 0 01u C500 L500 100u 0 01u C507 C506 0 01u L503 L502 100u 1u C508 22k R677 F71022Z IC500 DDS F71022Z IC501 DDS VR902 10k R919 470 DELAY 1k VR901 10k ANTI R913 R904 5 6k R902 100k R901 100 R906 1...

Page 101: ...LIFIER BUFFER AMPLIFIER Q515 BUFFER AMPLIFIER Q513 NC 6 5 SIGIN 7 8 CARIN BYPASS VCC GND 3 4 OUTPUT1 2 1 OUTPUT2 C564 0 01u NJM2594V IC504 MIXER 100 R541 0 01u C565 L515 L514 C554 0 75p C553 0 75p C555 7p C709 18p C552 7p L513 0 01u C586 R584 0 R571 15k C558 1000p 2SC2712 GR Q514 R573 220 2 2u50 C557 R572 100 R570 10k L516 100u 1k R574 AMPLIFIER BUFFER Q514 R576 10p 22p 220p C561 C563 180p 150p 22...

Page 102: ...511 2 2u 2p C538 C540 2p 27p C542 27p C543 3 3u L512 1 5p 3p C539 C541 CARIN OUTPUT1 5 6 OUTPUT2 4 GND 3 BYPASS SIGIN 8 7 NJM2594V VCC 1 2 NC IC503 R564 100 0 01u C546 1000p C549 0 01u C545 MIXER 2SC2714 Y Q513 560 R569 C551 1000p 470 R566 R565 100 0 01u C550 R568 10k 22k R567 30p TC501 C641 0 01u R682 10 R635 100 R683 10 C642 5p 39p R634 2 2k 150p R633 R632 22k C638 39p 2SC2714 Y Q525 20MHz X501 ...

Page 103: ...TK 80 90 BLOCK DIAGRAM ...

Page 104: ...TK 80 91 BLOCK DIAGRAM ...

Page 105: ......

Page 106: ...at the phase difference of the voltage and current components decreases The voltage and current components detected by L1 and L2 are rectified by diode s D1 and D2 and are applied to volt age comparison circuit IC6 as the amplitude component of the signal The comparator output passes from IC3 through the switch Motor M2 is driven by another motor drive IC IC5 which turns variable capacitor VC102 i...

Page 107: ...ct to PRE1 the voltage near the lower limit is output The other variable capacitor VC102 should be fixed If the variable capacitor voltage exceeds the specified limit the variable capacitor is returned to the opposite limit The other variable capacitor remains in the same position The motor direction is determined by the CPU unless auto antenna tuning is performed with high APRE The logic of PR11 ...

Page 108: ...106 L39 1268 05 TOROIDAL COIL L107 L40 1011 14 SMALL FIXED INDUCTOR 100UH L108 L40 1011 15 SMALL FIXED INDUCTOR 100UH L109 113 L40 1011 14 SMALL FIXED INDUCTOR 100UH B 1B 3B N87 3006 46 BRAZIER HEAD TAPTITE SCREW C 1A 3B N88 3006 46 FLAT HEAD TAPTITE SCREW R1 2 RD14CB2E101J RD 100 J 1 4W R3 RK73FB2A102J CHIP R 1 0K J 1 10W R4 RD14CB2E470J RD 47 J 1 4W R5 6 RK73FB2A181J CHIP R 180 J 1 10W R7 10 RK7...

Page 109: ...x2 C Bx2 Bx2 Bx2 Cx2 Bx2 Cx2 Bx3 Bx3 Cx2 Cx2 701 702 703 704 102 101 A2 A1 W103 W102 W101 W105 W106 W104 A3 A5 AT unit X53 363 A 5 X53 363 B 5 X53 363 E 5 X53 363 D 5 X53 363 C 5 B M3 x 6 Br Tap N87 3006 46 C M3 x 6 F Tap N88 3006 46 Parts with the exploded numbers larger than 700 are not supplied ...

Page 110: ... 1 D C 1 Instruction manual B62 0530 10 A Brazier head taptite screw N87 3006 46 x 3 709 Protection bag 705 Packing fixture 706 UPC code label 707 Packing fixture 708 Item carton case 709 AT unit Parts with the exploded numbers larger than 700 are not supplied ...

Page 111: ...tor rotation direction control 2 8 PR11 Motor rotation direction control 1 9 ATA AUTO THRU switch 10 APRE Preset control select 11 SPED Motor speed control 12 ATI Preset AT install L Install 13 14S 14V switched 14 5A 5V 15 DGND Digital GND 16 DGND Digital GND Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Parts Unit Method Adjustment Silver point CN No Pi...

Page 112: ...D 1 4 W104 W2 AT2 W1 AT1 K1 L15 C12 C20 W13 W19 W12 L14 L8 L13 W10 L9 L11 L10 D1 D2 W18 W17 1 1 10 10 IC5 IC4 W16 R1 L1 CN2 L2 C1 R2 R4 W6 W7 W8 W9 R25 R24 W15 W14 L6 L5 L3 L4 W11 L12 L7 TC1 W5 ATD2 ATD1 CN1 M2 M2 M1 M1 POD2 VREF POD1 GND 1 POD1 VREF PR22 PR12 ATA APED 14V GND POD2 ATG PR21 PR11 APRE ATI 5V GND 2 16 1 15 8 CN4 CN3 J72 0402 02 B 5 J72 0402 02 A 5 J72 0402 02 C 5 TK 80 KAT 2 PC BOAR...

Page 113: ...02 VC101 W106 W105 R102 R101 M1 NC M1 1 M2 M2 1 POD1 GND 4 2 3 M1 M2 4 02 02 C 5 J72 0402 02 D 5 J72 0402 02 E 5 AT UNIT X53 3630 20 Component side view J72 0402 02 KAT 2 PC BOARD TK 80 Component side Foil side Layer 1 Layer 2 Ref No Address IC4 10G IC5 10F D1 9D D2 11D ...

Page 114: ...9 W12 L14 L8 L13 W10 L9 L11 L10 D1 D2 W18 W17 1 1 10 10 IC5 IC4 W16 R1 L1 CN2 L2 C1 R2 R4 W6 W7 W8 W9 R25 R24 W15 W14 L6 L5 L3 L4 W11 L12 L7 TC1 W5 ATD2 ATD1 CN1 M2 M2 M1 M1 POD2 VREF POD1 GND 1 POD1 VREF PR22 PR12 ATA APED 14V GND POD2 ATG PR21 PR11 APRE ATI 5V GND 2 16 1 15 8 CN4 CN3 J72 0402 02 B 5 J72 0402 02 A 5 J72 0402 02 C 5 J72 0402 02 D 5 J72 0402 02 E 5 TK 80 KAT 2 PC BOARD AT UNIT X53 ...

Page 115: ... A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J72 0402 02 C 5 J72 0402 02 D 5 J72 0402 02 E 5 Q4 C27 C32 R26 B C E R27 Q5 C35 C30 C31 C29 R29 C28 R28 R32 R42 R31 R30 TK 80 KAT 2 PC BOARD AT UNIT X53 3630 20 Foil side view J72 0402 02 ...

Page 116: ...R12 C5 C6 C9 C14 C23 R26 R41 C15 B C E R27 Q5 C18 C17 C22 C21 R40 R22 R21 R18 C13 C10 R20 Q6 D9 C34 R7 C2 C3 R8 R9 R10 D6 D7 D8 D3 D4 D5 C26 R39 R33 R16 R14 C8 R15 R37 R35 R34 IC2 1 7 8 14 KAT 2 PC BOARD TK 80 AT UNIT X53 3630 20 Foil side view J72 0402 02 Component side Foil side Layer 1 Layer 2 Ref No Address IC1 13L IC2 12L IC3 10M IC6 9M Q1 13M Q2 13M Q3 12J Q4 8J Q5 9J Q6 8M D3 12N D4 13N D5 ...

Page 117: ... C9 C14 C23 R26 R41 C15 B C E R27 Q5 C18 C17 C22 C21 R40 R22 R21 R18 C13 C10 R20 Q6 D9 C34 R7 C2 C3 R8 R9 R10 D6 D7 D8 D3 D4 D5 C26 R39 R33 R16 R14 C8 R15 R37 R35 R34 IC2 1 7 8 14 C35 C30 C31 C29 R29 C28 R28 R32 R42 R31 R30 TK 80 KAT 2 PC BOARD KAT 2 PC BOARD TK 80 AT UNIT X53 3630 20 Foil side view J72 0402 02 AT UNIT X53 3630 20 Foil side view J72 0402 02 Component side Foil side Layer 1 Layer 2...

Page 118: ...6 7 Q 3 5 4 CK Q 9 8 12 10 11 IC1 SN74S74NS 2 1 13 14 D FF COMPARATOR NJM2903M 4 3 2 1 5 6 7 IC6 8 R18 10k C9 1000p R17 33 C10 1000p 47u10 C12 0 01u R21 10k R22 10k C11 C13 0 01u C14 0 01u R20 10k 180 R6 DETECTION D1 2 R19 33 14V 5V W101 2 1 10p TC1 2 W102 1 VC101 VC102 L101 K101 L107 100u C101 0 01u LFB01 D101 L108 100u C102 0 01u LFB01 D102 K102 L109 100u C103 0 01u LFB01 D103 K103 L110 100u K10...

Page 119: ... GND 16 CN3 DTD143EK Q6 0 01u C33 L7 100u L8 100u L14 100u L12 100u L13 100u R32 10k R42 0 100u L4 L9 100u L10 100u L11 100u POD1 ATG VREF POD2 PR11 PR12 PR21 PR22 SPED APRE ATA 5V 14V ATI GND GND 0 01u C35 M1 GND POD1 VREF POD2 M1 M2 M2 CN4 8 1 100u L5 DTC114EK Q5 R26 4 7k 10k R27 2SA1204 Y Q4 SWITCHING Q3 SWITCHING Q4 5 C32 0 01u 10k R28 R29 10k R31 10k R30 10k C28 0 01u 0 01u C29 0 01u C31 0 01...

Page 120: ...14V CONTROL CN6 GND GND 16 CN3 DTD143EK Q6 0 01u C33 L7 100u L8 100u L14 100u L12 100u L13 100u R32 10k R42 0 100u L4 L9 100u L10 100u L11 100u POD1 ATG VREF POD2 PR11 PR12 PR21 PR22 SPED APRE ATA 5V 14V ATI GND GND 0 01u C35 M1 GND POD1 VREF POD2 M1 M2 M2 CN4 8 1 100u L5 DTC114EK Q5 R26 4 7k 10k R27 2SA1204 Y Q4 180 R6 DETECTION D1 2 SWITCHING Q3 SWITCHING Q4 5 C32 0 01u R19 33 10k R28 R29 10k R3...

Page 121: ...ges the mode clears AF muting etc The IC1 internal VCO central frequency fo is determined by C5 R9 and VR1 and adjusted to 2210Hz The tracking bandwidth f is determined by R6 R9 and VR1 KPE 1 Selective Call Kit External View Components Description SELECTIVE CALL UNIT X52 3300 20 Ref No Use Function Operation Condition IC1 FSK demodulator IC2 Buffer IC3 DTMF decoder D4 LED Lights when MARK signal i...

Page 122: ...1 L78 0301 05 RESONATOR 3 5795MHZ R1 RK73FB2A474J CHIP R 470K J 1 10W R2 3 RK73FB2A472J CHIP R 4 7K J 1 10W R4 RK73FB2A474J CHIP R 470K J 1 10W R5 RK73FB2A393J CHIP R 39K J 1 10W R6 RK73FB2A394J CHIP R 390K J 1 10W R7 R92 0670 05 CHIP R 0 OHM R8 RK73FB2A104J CHIP R 100K J 1 10W R9 RK73FB2A223J CHIP R 22K J 1 10W R10 RK73FB2A332J CHIP R 3 3K J 1 10W R11 13 RK73FB2A471J CHIP R 470 J 1 10W R14 RK73FB...

Page 123: ...ARK C9 IC2 1 7 8 14 VR1 C8 C7 C6 R3 R2 R1 C16 S1 L1 TP1 C4 C1 CN1 TOE Q1 Q2 Q4 STD 5A FSD FSL Q3 DGND TOE Q1 Q2 Q3 Q4 STD DGND 5A FSD FSL DGND J72 0395 02 J72 0395 02 TEST USE TK 80 KPE 1 PC BOARD SELECTIVE CALL UNIT X52 3300 20 Component side view SELECTIVE CALL UNIT X52 3300 20 Foil side view Component side Foil side Layer 1 Layer 2 Component side Foil side Layer 1 Layer 2 Ref No Address IC1 6E ...

Page 124: ... 2 7 5 6 3 4 1 12 8 10 9 11 14 13 SN74ALS04BNS IC2 GND VDD DGND 1 FSD DGND FSL STD Q4 DGND 5A Q1 Q3 Q2 TOE CONTROL CN2 CN2 12 TOE DGND Q1 Q2 Q3 Q4 STD 5A FSD DGND FSL DGND FSK DEMODULATOR BUFFER C9 0 1u 18u L4 R11 470 D4 MARK 470 R12 SPACE D5 470 R13 LOCK D6 GND 9 IC3 LC7385M TOE 10 8 X2 11 Q1 7 X1 12 Q2 6 PD 13 Q3 5 B H 14 Q4 4 VREF 15 STD 3 GS 16 EST 2 IN 17 ST 1 IN 18 VDD DTMF DECODER R16 330k ...

Page 125: ... 20 C 60 C within 15ppm 10 C 50 C within 0 5ppm with SO 2 20 C 60 C within 1 0ppm with KPE 1 Applicable MIL STD MIL STD 810D Vibration Method 514 3 Category 10 Procedure 1 Antenna impedance 50Ω Dimensions W x H x D 270 10 5 8 x 96 3 3 4 x 271 10 11 16 mm inch Weight net 5 2kg 11 5 lbs Receiver Circuitry Double conversion superheterodyne Intermediate frequencies 1st IF 73 045MHz 2nd IF 10 695MHz Se...

Search results

Summary of Contents for TK-80

Reviews:

Related manuals for TK-80

Brands by name

Popular brands

Kenwood TK-80, Service Manual

Search results

Summary of Contents for TK-80

Reviews:

Related manuals for TK-80

Brands by name

Popular brands