Kenwood TK-890/(B) Service Manual Download Page 94

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113

TK-890H

(

)

CIRCUIT DIAGRAM

Note : Components marked with a dot (·) are parts of pattern 1.

Summary of Contents for TK-890/(B)

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: ...et Lower A01 2162 02 Knob K29 4664 04 x 2 KCH 11 TK 890H B REVISED TK 890 or TK 890 B with KCH 10 This service manual applies to products with 30300001 or subsequent serial numbers KCH 10 and KCH 11 are applicable to the productions June 2001 and after In terms of the products with the serial numbers earier than 30300001 refer to the TK 890 B H B service manual as per part No B51 8439 00 and the T...

Page 3: ...nt as of this publica tion date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions which are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment informa tion the full part identification number should be included This applies to all parts components kits and chassis If the part number is not known include the...

Page 4: ...e trunk lid and vehicle chassis using ground straps to ensure the lid is at chassis ground 4 3 Radio The universal mount bracket allows the radio to be mounted in a variety of ways Be sure the mounting surface is adequate to support the radio s weight Allow sufficient space around the radio for air cooling Position the radio close enough to the vehicle operator to permit easy access to the control...

Page 5: ... KCH 11 KCH 11 or or or or KCT 22M M2 M3 Control cable YES YES See Remote kit service manual NO NO See page 16 See page 16 See page 16 YES KRK 8DBH Dual band dual control head kit KCH 10 KCH 10 KCH 10 KCH 11 KCH 11 KCH 11 or or YES YES Frequency range 450 490MHz 450 470MHz YES See Remote kit service manual Are you using the voice scrambler Transceiver programming option Are you using the external ...

Page 6: ...itor If MON is pressed once while Default setting MON the RADIO is waiting for reception of MON Full all signalling squelch is canceled function panel If MON is held down for 2 seconds all singalling noise squelch is canceled and the QT DQT audio is unmuted 2 TONE DTMF Scan Start and stop the scanning Default setting SCN sequence of SCN Full function panel Public The RADIO works as a PUBLIC Addres...

Page 7: ... only Dimmer Use this function to adjust the LCD DIM backlight brightness Key backlight TX BUSY LED and DTMF Mic Key backlight ON OFF Function Description Note Key top name Speaker 1 2 Each speaker audio can be Dual HEAD Mute SPM manually disabled from the configuration other control head only Channel UP If is pressed once the channel increases by one step If is held down for 1 second the channel ...

Page 8: ... To select a Group Select a Group by rotating the UP DOWN Knob which has been programmed with Group UP DOWN or by pressing the Keys which have been programmed with Group UP and Group DOWN If the Channel Tracking Function is enabled the chan nel number will not change 4 To Select a Channel Select a Channel by rotaing the UP DOWN Knob which has been programmed with Channel UP DOWN or by pressing the...

Page 9: ...rates in carrier squelch scan 5 Adding Channels and Groups to the Scan Sequence 1 Channels To add the currently displayed channel to the scan se quence press D A Key The CH ADD indicator lights and the channel is added to the scan sequence 2 Groups To add the currently displayed group of channels to the scan sequence hold down the D A Key for 2 seconds The GR ADD indicator lights and the group is ...

Page 10: ...on tone sounds the display returns to the normal channel or SCAN display and the IC function will turn off 14 Home Channel HC This feature allows the radio operator to immediately se lect a pre determined Home Channel by pressing the HC Key HC can be activated as follows CASE1 HC has been set as HC Fixed Non Scan Scanning Scan Mode temporary stopping press HC once Change to Home Channel press HC a...

Page 11: ...play TX BUSY Panel Keys Microphone backlight LED backlight Keys backlight Default High High High High Press DIM Medium once Press again Low Press again OFF OFF OFF OFF Press again return to return to return to return to High High High High The brightness setting is memorized 22 Speaker 1 2 Mute SPM Dual Head Configuration only This feature allows the radio operator to manually disable the speaker ...

Page 12: ...o Reset has been programmed and 4 receiving reset code Primary code or secondary code 28 Time Out Timer Possible to configure to each group The Time Out Timer function interrupts continuous trans mission after a specified time elapses Holding down PTT for longer than the programmed time causes the RADIO to stop transmitting and sound a warning tone To stop the warning tone release PTT 29 Signallin...

Page 13: ...OFF Low Monitor ON OPERATING FEATURES 36 2 PF Output Port AUX A Pressing AUXA once Low Pressing A AUXA again OPEN COLLECTOR AUX B Pressing AUXB once Low Pressing B AUXB again OPEN COLLECTOR AUX C Pressing AUXC once Low Pressing C AUXC again OPEN COLLECTOR TOR Receiving correct QT DQT Low Not receiv ing correct QT DQT OPEN COLLECTOR COR BUSY Low Not BUSY OPEN COLLECTOR 37 Timed Power Off This funct...

Page 14: ...44D The programming software can be used with an IBM PC or compatible machine Figure 1 shows the setup for pro gramming Fig 1 KPG 43 IBM PC KPG 44D 41 2 Programming Interface Cable KPG 43 Description The KPG 43 is required to interface TK 890 to the com puter It has a circuit in its D sub 25 pin connector case that converts RS 232C logic level to TTL level KPG 43 is used to connect between TK 890 ...

Page 15: ...nter Each Mode Mode Operation User mode Power on PC mode Connect the PC and turn the power on Then the radio can be controlled by the FPU Panel test mode Hold down the PF1 key turn the radio power on Panel tune mode Press the GR key from the panel test mode Clone mode Hold down the PF5 key turn the radio power on Firmware Hold down the PF2 key turn the radio programming mode power on 43 PC Tuning ...

Page 16: ...ect the slave group with Up Down knob 4 Press the PF5 key to start cloning Note The transceiver does not enter the clone mode if it is disabled with the FPU To clone the transceiver both trans ceivers must be same If the panels frequency ranges op tional board are different they cannot be cloned Master side display TX LED on TX LED off END Slave side display PC G CLONE GROUP CLONE GRP 1M GROUP 1M ...

Page 17: ...the KCH 10 or KCH 11 3 Install the KCH 10 or KCH 11 on the radio using the screws N32 3006 46 1 supplied with the front panel kit Take care not to get the lead between the KCH 10 or KCH 11 and an edge of the case You can install the panel upside down if necessary to install the radio 4 Reinstall the upper and lower halves of the case 5 Connection the short plug for the accessory connector 9 pins o...

Page 18: ... input MCO MIC signal output DEI Detection signal input AC Audio control signal output BC1 Scramble code output 1 BC2 Scramble code output 2 BC3 Scramble code output 3 BC4 Scramble code output 4 TXD2 RXD2 DEO Detection signal output PTO PTT signal output 8C 8V output E Earth Fig 5 3 2 Voice scrambler board connection Modification 1 Remove the upper half of the case of the TK 890 2 Remove R515 and ...

Page 19: ...l head then clamp the bottom of the rubber cap with the supplied tie wrap 4 Remove the upper half of the case of the TK 890 5 Set jumper resistors 0 ohm R504 R506 R742 and R743 on the control unit X57 562 B 3 as shown in Table 1 Refer to page 21 6 Reinstall the upper half of the case Note If the KCT 18 is used for the KRK 8DBH use the 9 pin plug on the back of radio 1 or the 12 pin plug on the bac...

Page 20: ...e number 6 Fig 8 3 4 Attach the connector to the external speaker connector on the radio 6 2 Connection for the KES 4 with the remote kit KRK 5 KRK 6DH KRK 7DB KRK 8DBH When output is from the 12 pin accessory con nector on the rear of the control head remote operation Modification of plug 12 pin 1 Remove the plug from the accessory connector 12 pins on the rear of the control head 2 Cut off the e...

Page 21: ...ng jumper resistors 0 ohm R640 and R641 on the control unit X57 562 B 3 Refer to page 21 1 MIC signal input output This pin is directly connected to the MIC input pin of the transceiver so it has the same function as the MIC input pin When the input is 5mV 3 kHz DEV 600 ohms modulation is obtained The MIC input is output from the transceiver panel as it is 2 Data audio input The signal from this p...

Page 22: ...ide view Accessory terminal function Page 20 R640 641 Accessory terminal function Page 20 Connection with the remote kit Page 20 Connection with the remote kit Page 20 Connection with the remote kit Page 20 Horn alert Page 20 External speaker Page 18 Ignition sense cable KCT 18 Page 18 Ignition sense cable KCT 18 Page 18 Voice Scrambler Page 17 R515 Voice Scrambler Page 17 ...

Page 23: ...s CN104 CN203 from the final unit and remove the flat cable CN202 upwards from the control unit CN502 3 Remove the 5 screws 4 5 3 3 3 3 3 3 3 4 1 1 1 1 1 4 4 4 4 7 7 7 7 7 7 7 5 6 2 1 1 1 1 CN203 CN104 CN201 Final unit TX RX unit Control unit 3 Removing the Final Unit X57 562 C 3 1 Remove the 2 screws 5 holding the power module to the frame 2 With a screwdriver remove the leaf spring 6 holding the...

Page 24: ...inal unit and remove the flat cable CN202 upwards from the control unit CN502 3 Remove the 5 screws 4 3 Removing the Final Unit X45 357 1 Remove the 2 hexagonal bosses 5 2 Remove the 3 screws 6 holding the power module and transistor to the frame 3 Desolder the power module 4 Remove the 1 screw 7 holding TH1 5 Remove the 4 screws 7 holding the final transistor 6 Remove the 2 screws 8 holding the l...

Page 25: ... connector CN505 from D sub connector 25P on the rear 1 3 3 3 1 2 Leaf spring Screw driver IC CN502 CN501 CN506 CN505 5 Removing the Accessory Connector on the Rear 1 Confirm that the screw holding DC cable red and the screw holding DC cable black of the final unit are re moved and that CN506 of the control unit X57 562 B 3 is disconnected Remove the 4 screws on the rear 3 2 Pull out the connector...

Page 26: ...3 screws 6 You can remove the display units X54 3190 A 3 and C 3 7 and 8 7 Remove the 3 screws 9 and remove the sub panel 10 and keytop 11 7 Disassembly of the Display Unit X54 3200 KCH 11 1 Pull out the VOL and UP DOWN knobs 1 2 Remove the 2 hexagnal nuts 2 3 Remove the waterproof seal 3 4 Disconnect the connector CN4 of the display unit X54 3200 A 2 and remove the 5 screws 4 you can remove the u...

Page 27: ...ed the reflected wave level increases Reflected waves are detected by D7 and the output level is fed to the differential amplifier lead ing to the transmitter output power being reduced in the way already described POWER MODULE ANT SW FWD DET REF DET LPF LPF CM coupler APC DRIVE DC AMP DC AMP Differential AMP 8T B DB Q1 Q3 D3 5 D6 D7 VR1 Q5 Q6 PC B DO FINAL UNIT X57 C 3 Fig 3 1 4 Final amplifier s...

Page 28: ...signal output from IC101 then passes through the control unit s HPF and D A converter IC After entering the AF power amplifier IC522 the signal is output from the speaker CIRCUIT DESCRIPTION Item Rating Nominal center frequency 73 05MHz Pass bandwidth 7 5kHz or more at 3dB Attenuation bandwidth 30kHz or less at 40dB Ripple 1 0dB or less Insertion loss 3 0dB or less Guaranteed attenuation 85dB or m...

Page 29: ... keep the frequency of the VCO The serial data DT CP EP from the microprocessor IC516 is input to the PLL IC And PLL lock condition is al ways monitored by the pin 28 UL of IC516 CIRCUIT DESCRIPTION 3 Squelch Circuit The output from IC101 enters FM IC again then passed through a band pass filter The noise component output from IC101 is amplified by Q109 and rectified by D103 to produce a DC voltag...

Page 30: ...ower Off TPO function POF is controlled by CPU s TPO function POF is to turn the transceiver off The POF logic signal is feed through Q507 and Q506 then 8 pin of IC501 to turn the transceiver off 3 Turning the transceiver on with IGN SENS then turning the transceiver off with TPO function If IGN is turned on Q543 and Q542 are turned on then the IC501 detects the change IC501 outputs the signal to ...

Page 31: ... SW DM1 DM2 DM1 DM2 DM1 DM2 SB KEY BACK LAMP LCD BACK LAMP S5 PF1 S6 PF2 S7 PF3 S8 PF4 S9 PF5 S1 POWER S2 S3 IC2 RH5VL42C PTT HK D13 RX D17 TX IC3 AT24C64N10SI27 EEPROM AF VR IC1 NJM78L05UA ENCODER SB HK ME MIC E TRD DM BLC PTT INT SP MIC 1 2 TRD RS1 RS2 SB PS RST ED1 IC4 78064GCXXX8EU Microprocessor CPU containing LCD driver The on off signals of keys other than the power switch and the PTT and H...

Page 32: ...displayed on the 14 digits and 3 digits dot matrix alphanumeric display Dimmer function From the control of the CPU s DM1 DM2 port you can switch the LCD KEY backlight busy TX LED or the optional KMC 28 key backlight as shown in the following table Dimmer LCD KEY Busy TX KMC 28 setting H H ON ON ON M M ON ON ON L L ON ON ON OFF OFF OFF OFF OFF RST RST D19 5V AVR LCD ASSY SW SW SW SW SW SW SW SW RE...

Page 33: ...CS Microprocessor 784214GCXXX8EU Control Unit IC516 Terminal function Pin No Pin name I O Action 40 RXD1 I Serial interface RXD 41 TXD1 O Serial interface TXD 42 STB O Modem STB 43 EC1 O Shift registerl Control CS 44 EI O Shift register Interface CS 45 SEL I O GE STAR I O 46 EPT I GE STAR EPT 47 EMG O GE STAR EMG 48 71 Flash ROM access port 72 VSS GND 73 74 Flash ROM access port 75 Flash ROM 4Mbit...

Page 34: ...11 GRN O BUSY LED Green L ON H OFF 12 E GND 13 DM1 O Backlight Dimmer 14 DM2 O Backlight Dimmer 15 I Not used 16 K11 I SCN key Full L ON H OFF 17 K12 I PF8 key Full L ON H OFF 18 K13 I PF9 key Full L ON H OFF 19 K1 I PF4 key L ON H OFF 20 K2 I PF5 key L ON H OFF 21 1 2 I HEAD 1 2 jumper HEAD 1 Jumper installed HEAD 2 Jumper removed 22 B F I Panel type Jumper Basic panel Jumper installed Full panel...

Page 35: ...ONS thermal short circuit stand by reference voltage mute reference voltage mute switch 16 14 6 OUT1 8 OUT2 power stage mute switch VA Cm 18kΩ 60 kΩ 2 kΩ _ power stage mute switch VA Cm 18kΩ 60 kΩ 2 kΩ _ 1 GND S 9 2 input reference voltage NC 7 15 11 GND1 GND2 VP1 VP2 5 13 OUT 4 OUT 3 10 12 17 4 INV 1 1 INV 2 3 RR INV 4 INV 3 MODE VDIAG SEMICONDUCTOR DATA Shift register 2 on control unit IC517 Pin...

Page 36: ...ent 18A Pc Collector dissipation 150W Tj Junction temperature 175 C Tstg Storage temperature 55 to 175 C Flash ROM AT29C020 90TI Control Unit IC519 Terminal description Pin Name Function A0 A17 Addresses CE Chip enable OE Output enable WE Write enable I O0 I O7 Data inputs outputs NC No connect OE CE AND WE LOGIC Y DECODER X DECODER DATA LATCH INPUT OUTPUT BUFFERS OPTIONAL BOOT BLOCK 8K BYTES MAIN...

Page 37: ...AVR Input SB Output 9V IC301 PLL IC 1 CP 2 DT 3 EP 4 Vss 5 Fin 7 Vcc 8 REFin 16 8MHz 14 Charge pump output 18 UL H when lock 20 VDD 5V Q101 1st amplifier RX frequency Q102 IF amplifier 73 05MHz Q103 104 Mix local amplifier RX frequency 73 05 MHz Q105 DC switch ON when wide Q106 DC switch On when narrow Q107 IF amplifier 73 05MHz Q108 DC switch On when wide Q109 SQL amplifier Noise amplifier Q201 T...

Page 38: ...sh the power switch Q519 Power switch On when the power switch on Q520 DC switch On when horn alert DESCRIPTION OF COMPONENTS Ref No Use Function Operation Condition Q522 Beat shift switch On when beat shift Q523 DC switch Serial data inverter Q524 DC switch Serial data transmitter Q525 DC switch Q526 527 DC switch On when compander on Q528 529 DC switch On when compander off Q530 532 DC switch On...

Page 39: ...D13 TX LED D16 17 Surge absorption D19 21 Surge absorption D24 DC switch Key lighting ON D25 DC switch DESCRIPTION OF COMPONENTS Display Unit X54 3200 20 KCH 11 Ref No Use Function Operation Condition IC1 AVR Input SB Output 5V IC2 Reset IC3 EEPROM IC4 CPU Q1 9V AVR Q2 DC switch key lighting ON Q3 DC switch Dimmer Hi Low ON Q4 DC switch MON PF6 PF7 key lighting ON Q5 DC switch PF1 PF2 PF3 key ligh...

Page 40: ...bon EX R D 7 3 E B 2 B 0 0 0 J 1 2 3 4 5 6 7 Chip B F Carbon resistor Normal type EX R D 1 4 B B 2 C 0 0 0 J 1 2 3 4 5 6 7 1 Type ceramic electrolytic etc 5 Voltage rating 2 Shape round square ect 6 Value 3 Dimension 7 Tolerance 4 Temp coefficient Capacitor value 010 1pF 100 10pF 101 100pF 102 1000pF 0 001µF 103 0 01µF Less than 10pF Code B C D F G pF 0 1 0 25 0 5 1 2 1st word 2nd word Refer to th...

Page 41: ...46 04 HARDWARE FIXTURE DC ACC J21 8417 04 HARDWARE FIXTURE KCH 10 MIC CONNECTOR 48 2I J29 0422 13 BRACKET ACSY J39 0625 04 SPACER KCH 10 TX BUSY 50 2I J61 0307 05 BAND ACSY K29 4664 04 KNOB KCH 10 VOL UP DOWN 53 2I K29 4704 04 KNOB ACSY K29 5251 12 KEY TOP KCH 10 55 2I K29 5276 03 KNOB ACSY 56 2I K29 5277 03 KNOB ACSY 57 2I K29 5305 03 KNOB ACSY TK 890 A 2B N09 2292 05 HEXAGON HEAD SCREW B 2A 2B N...

Page 42: ...60 05 ELECTRO 22UF 20WV K3 C40 C92 0720 05 ELECTRO 100UF 25WV K3 C41 C92 0760 05 ELECTRO 22UF 20WV K3 C42 43 CK73FB1H103K CHIP C 0 010UF K K3 C101 CC73GCH1H101J CHIP C 100PF J C103 CC73GCH1H070D CHIP C 7 0PF D K2 C103 CC73GCH1H080D CHIP C 8 0PF D K C103 CC73GCH1H090D CHIP C 9 0PF D K3 C104 105 CK73GB1H471K CHIP C 470PF K C106 CC73GCH1H020C CHIP C 2 0PF C K C106 CC73GCH1H030C CHIP C 3 0PF C K2 K3 C...

Page 43: ... C 1 5PF C K2 Ref No Address Parts No Description Ref No Address Parts No Description New Desti parts nation New Desti parts nation C329 CC73GCH1H010C CHIP C 1 0PF C K2 C329 CC73GCH1H020C CHIP C 2 0PF C K3 C329 CC73GCH1H1R5C CHIP C 1 5PF C K C330 CK73GB1H471K CHIP C 470PF K C331 CC73GCH1H100D CHIP C 10PF D K2 C331 CC73GCH1H120J CHIP C 12PF J K C331 CC73GCH1H220J CHIP C 22PF J K3 C332 CK73GB1H471K ...

Page 44: ... CC73GCH1H180J CHIP C 18PF J C592 CK73GB1H102K CHIP C 1000PF K C593 C92 0633 05 CHIP TAN 22UF 10WV C594 CK73GB1E103K CHIP C 0 010UF K C595 597 CK73GB1H102K CHIP C 1000PF K C598 599 CK73FB1E104K CHIP C 0 10UF K C600 C92 0507 05 CHIP TAN 4 7UF 6 3WV C601 CK73GB1H102K CHIP C 1000PF K C602 CK73GB1H562K CHIP C 5600PF K C603 CK73GB1H102K CHIP C 1000PF K C604 605 CK73GB1H562K CHIP C 5600PF K C606 C92 050...

Page 45: ...L120 L34 4530 05 COIL L123 L40 4772 37 SMALL FIXED INDUCTOR 0 047UH L201 L40 1875 34 SMALL FIXED INDUCTOR 18NH L202 L40 1271 34 SMALL FIXED INDUCTOR 12NH L203 L40 8271 34 SMALL FIXED INDUCTOR 82NH L204 L40 1875 34 SMALL FIXED INDUCTOR 18NH L301 306 L40 1095 34 SMALL FIXED INDUCTOR 1UH L307 L34 4556 05 AIR CORE COIL L308 309 L34 4518 05 AIR CORE COIL L310 L40 1095 34 SMALL FIXED INDUCTOR 1UH K K2 L...

Page 46: ...R92 0685 05 CHIP R 22 J 1 2W R223 RK73FB2A821J CHIP R 820 J 1 10W R224 225 RK73FB2A100J CHIP R 10 J 1 10W R226 RK73FB2A821J CHIP R 820 J 1 10W R301 304 RK73GB1J103J CHIP R 10K J 1 16W R305 R92 1252 05 CHIP R 0 OHM R306 RK73GB1J560J CHIP R 56 J 1 16W R307 308 RK73GB1J100J CHIP R 10 J 1 16W R309 RK73GB1J102J CHIP R 1 0K J 1 16W R310 311 RK73GB1J152J CHIP R 1 5K J 1 16W R312 RK73GB1J102J CHIP R 1 0K ...

Page 47: ...M R588 RK73GB1J473J CHIP R 47K J 1 16W R589 RK73GB1J223J CHIP R 22K J 1 16W R591 592 RK73GB1J124J CHIP R 120K J 1 16W R594 597 RK73GB1J473J CHIP R 47K J 1 16W R598 RK73GB1J332J CHIP R 3 3K J 1 16W R599 600 RK73GB1J473J CHIP R 47K J 1 16W R601 RK73GB1J472J CHIP R 4 7K J 1 16W R602 RK73FB2A473J CHIP R 47K J 1 10W R603 RK73GB1J103J CHIP R 10K J 1 16W R604 R92 0670 05 CHIP R 0 OHM R605 RK73GB1J333J CH...

Page 48: ...301 DIODE D507 02CZ15 X Y ZENER DIODE D508 1SS355 DIODE D511 1SS301 DIODE D512 1SS355 DIODE Ref No Address Parts No Description Ref No Address Parts No Description New Desti parts nation New Desti parts nation D513 517 DA204U DIODE D519 DA204U DIODE D521 DA204U DIODE D523 524 DA204U DIODE D526 527 DA204U DIODE D528 529 1SS355 DIODE IC1 M68769H IC RF POWER MODULE K IC1 M68769L IC RF POWER MODULE K3...

Page 49: ...8 3C G02 0715 04 FLAT SPRING AVR 129 2D G53 0715 03 PACKING DC ACC 132 3D G53 0871 03 PACKING CABINET UPPER 133 1C G53 1501 03 PACKING CABINET LOWER 135 1K H02 0604 03 INNER PACKING CASE 136 2L H10 6617 11 POLYSTYRENE FOAMED FIXTURE 137 1L H11 0815 04 POLYSTYRENE FOAMED BOARD 138 2L H11 0853 04 POLYSTYRENE FOAMED BOARD 139 2K H11 0892 04 POLYSTYRENE FOAMED BOARD 140 2K H12 1410 04 PACKING FIXTURE ...

Page 50: ...C2712 Y TRANSISTOR Q3 2SD2531 TRANSISTOR Q4 2SA1162 Y TRANSISTOR Q5 FMW1 TRANSISTOR Q6 7 2SC4989 TRANSISTOR Q8 FMC2 DIGITAL TRANSISTOR Q9 2SD1624 S TRANSISTOR Q10 2SC2712 Y TRANSISTOR Q11 DTC144EUA DIGITAL TRANSISTOR TH1 PTH9M04BC471TS THERMISTOR C101 CC73GCH1H101J CHIP C 100PF J C103 CC73GCH1H080D CHIP C 8 0PF D C104 105 CK73GB1H471K CHIP C 470PF K C106 CC73GCH1H020C CHIP C 2 0PF C C107 CC73GCH1H...

Page 51: ...IP C 3 0PF C C329 CC73GCH1H1R5C CHIP C 1 5PF C C330 CK73GB1H471K CHIP C 470PF K C331 CC73GCH1H120J CHIP C 12PF J C332 CK73GB1H471K CHIP C 470PF K C333 CC73GCH1H060D CHIP C 6 0PF D C334 CK73GB1H471K CHIP C 470PF K C335 CC73GCH1H050C CHIP C 5 0PF C C336 CC73GCH1H0R5C CHIP C 0 5PF C C337 CC73GCH1H270J CHIP C 27PF J C338 CC73GCH1H180J CHIP C 18PF J C339 CC73GCH1H150J CHIP C 15PF J C340 342 CC73GCH1H07...

Page 52: ...K73GB1H102K CHIP C 1000PF K C623 C92 0040 05 CHIP ELE 47UF 16WV C624 CK73GB1H102K CHIP C 1000PF K C625 CK73GB1E103K CHIP C 0 010UF K C626 C92 0004 05 CHIP TAN 1 0UF 16WV C627 628 CK73FB1E104K CHIP C 0 10UF K C629 630 CK73GB1H102K CHIP C 1000PF K C631 CC73GCH1H101J CHIP C 100PF J C632 639 CK73GB1H102K CHIP C 1000PF K C640 C92 0560 05 CHIP TAN 10UF 6 3WV C641 642 CK73FB1E104K CHIP C 0 10UF K C666 68...

Page 53: ... R125 126 RK73GB1J220J CHIP R 22 J 1 16W R127 129 RK73GB1J222J CHIP R 2 2K J 1 16W R130 RK73GB1J473J CHIP R 47K J 1 16W R132 RK73GB1J102J CHIP R 1 0K J 1 16W R133 RK73GB1J472J CHIP R 4 7K J 1 16W R134 137 RK73GB1J223J CHIP R 22K J 1 16W R139 RK73GB1J223J CHIP R 22K J 1 16W R140 RK73GB1J274J CHIP R 270K J 1 16W R141 142 RK73GB1J223J CHIP R 22K J 1 16W R143 RK73GB1J183J CHIP R 18K J 1 16W R144 RK73G...

Page 54: ...K J 1 16W R527 RK73GB1J223J CHIP R 22K J 1 16W R528 RK73GB1J104J CHIP R 100K J 1 16W R529 530 RK73GB1J334J CHIP R 330K J 1 16W R531 RK73GB1J154J CHIP R 150K J 1 16W R532 RK73GB1J474J CHIP R 470K J 1 16W R533 RN73GH1J473D CHIP R 47K D 1 16W R534 RN73GH1J563D CHIP R 56K D 1 16W R535 RK73GB1J103J CHIP R 10K J 1 16W R536 RK73GB1J681J CHIP R 680 J 1 16W R537 RK73GB1J472J CHIP R 4 7K J 1 16W R539 RK73GB...

Page 55: ...HIP R 10K J 1 16W R702 RK73GB1J472J CHIP R 4 7K J 1 16W R703 RK73GB1J473J CHIP R 47K J 1 16W R706 R92 0670 05 CHIP R 0 OHM R707 713 RK73GB1J474J CHIP R 470K J 1 16W R714 RK73GB1J104J CHIP R 100K J 1 16W R715 RK73GB1J474J CHIP R 470K J 1 16W R716 RK73GB1J104J CHIP R 100K J 1 16W Ref No Address Parts No Description Ref No Address Parts No Description New Desti parts nation New Desti parts nation R71...

Page 56: ...Q531 DTA114TUA DIGITAL TRANSISTOR Q532 536 DTC144EUA DIGITAL TRANSISTOR Q537 540 DTD114EK DIGITAL TRANSISTOR Q541 DTC114EUA DIGITAL TRANSISTOR Q542 DTA114EUA DIGITAL TRANSISTOR Ref No Address Parts No Description Ref No Address Parts No Description New Desti parts nation New Desti parts nation TX RX UNIT X57 5620 13 TK 890H B KCH 10 DISPLAY UNIT X54 3190 20 KCH 10 Q543 544 DTC114EUA DIGITAL TRANSI...

Page 57: ...H S5 9 S70 0410 15 TACT SWITCH D1 2 DA204U DIODE D5 02CZ9 1 X Y ZENER DIODE D16 17 DA204U DIODE D19 21 DA204U DIODE D24 1SS301 DIODE D25 MA2S111 DIODE IC1 NJM78L05UA IC AVR IC2 RH5VL42C IC RESET IC3 AT24C64N10SI27 IC EEPROM IC4 78064GCA458EU IC CPU LCD DRIVER Q1 2SC2873 Y TRANSISTOR Q3 7 DTC144EU DIGITAL TRANSISTOR Q9 DTC144EU DIGITAL TRANSISTOR Q11 DTC144EU DIGITAL TRANSISTOR Q12 13 DTC114TU DIGI...

Page 58: ...P R 1 0K J 1 16W R26 RK73GB1J472J CHIP R 4 7K J 1 16W R28 32 RK73GB1J102J CHIP R 1 0K J 1 16W R33 34 RK73GB1J473J CHIP R 47K J 1 16W R35 RK73GB1J102J CHIP R 1 0K J 1 16W R37 38 RK73GB1J102J CHIP R 1 0K J 1 16W R39 RK73FB2A331J CHIP R 330 J 1 10W R40 41 R92 2063 05 CHIP R 680 J 1 2W R42 RK73FB2A181J CHIP R 180 J 1 10W R43 R92 2063 05 CHIP R 680 J 1 2W R44 R92 2023 05 CHIP R 820 J 1 2W R45 56 RK73GB...

Page 59: ... 6 1 4 13 13 26 Cx2 Cx2 D Gx2 Gx2 Gx2 Gx2 Ex2 Lx2 Lx2 Lx2 Ax2 Bx2 Bx2 D Gx5 G G Cx2 Cx2 C G Gx2 Gx2 Jx2 Jx2 Jx2 J 700 TX RX A 3 Control B 3 Final C 3 KCH 10 KCH 11 A N09 2292 05 B M3 x 6 F N32 3006 46 C M3 x 6 OC BLK N33 3006 45 D M3 x 6 Bi N35 3006 46 E M3 x 8 N67 3008 46 G M2 6 x 6 Br Tap N87 2606 46 J M2 6 x 12 Br Tap N87 2612 46 L M3 x 8 Br Tap N87 3008 46 ...

Page 60: ...18 128 127 106 132 106 101 113 113 Nx2 Nx2 Nx2 Q Q Rx6 Ox2 Rx4 Rx3 Px5 Tx2 Tx2 Tx2 Mx2 P P P Rx5 R R Nx3 Nx3 R Rx2 Rx2 Sx2 Sx2 Sx2 S 701 TX RX A 3 Control B 3 Final KCH 10 KCH 11 M N09 2292 05 N M3 x 6 OC BLK N33 3006 45 O M3 x 6 Bi N35 3006 46 P M3 x 8 N67 3008 46 Q M4 X 8 N68 4006 46 R M2 6 x 6 Br Tap N87 2606 46 S M2 6 x 12 Br Tap N87 2612 46 T M3 x 8 Br Tap N87 3008 46 ...

Page 61: ...ers larger than 700 are not supplied EXPLODED VIEW KCH 10 E F 1 2 3 203 206 216 217 227 220 201 205 218x2 Vx4 702 X54 B 3 X54 C 3 U W 703 Vx2 X54 A 3 207 U M2 6 x 5 Br Tap N87 2605 46 V M2 6 x 8 Br Tap N87 2608 46 W M3 x 6 Br Tap N87 3006 46 Wx2 ...

Page 62: ...ploded numbers larger than 700 are not supplied EXPLODED VIEW KCH 11 G H 1 2 3 313 312 317 303 301 315x2 X54 B 2 Yx3 Yx2 X54 A 2 X Zx2 Zx2 704 304 X M2 6 x 5 Br Tap N87 2605 46 Y M2 6 x 8 Br Tap N87 2608 46 Z M3 x 8 Br Tap N87 3008 46 ...

Page 63: ...0 B UPC code label 38 Packing fixture H12 1403 04 12 DC cord assy E30 3318 15 TK 890 62 Microphone T91 0587 25 TK 890 1 2 3 40 Protection bag H25 0029 04 TK 890 21 Fuse Blade F05 1537 05 x 3 TK 890 59 Screw set N99 0321 05 TK 890 N99 0365 05 TK 890 B 41 Protection bag H25 2063 04 16 Short plug SP E37 0733 05 22 Insulating cover F29 0472 04 50 Band J61 0307 05 46 Holder MIC J19 1584 05 TK 890 42 Pr...

Page 64: ...e H12 1410 04 139 Polystyrene foamed board H11 0892 04 142 Carton board H13 1066 04 UPC code label 146 Item carton case H52 1232 12 136 Polystyrene foamed fixture H10 6617 11 141 Packing fixture H12 1422 04 138 Polystyrene foamed board H11 0853 04 144 Protection bag H25 0103 04 159 Screw set N99 0365 05 143 Protection bag H25 2063 04 116 Short plug SP E37 0733 05 122 Insulating cover F29 0472 04 1...

Page 65: ...059 04 225 Screw set N99 0364 05 213 Protection bag H25 0117 04 221 Knob K29 5276 03 222 Knob K29 5277 03 223 Knob K29 5305 03 211 Protection bag H25 0029 04 219 Knob K29 4704 04 x 5 208 Polystyrene foamed fixture H10 6622 02 209 Polystyrene foamed board H11 0894 04 212 Protection bag H25 0103 04 214 Item carton case H52 1271 02 ...

Page 66: ...059 04 322 Screw set N99 0364 05 310 Protection bag H25 0117 04 318 Knob K29 5276 03 319 Knob K29 5277 03 320 Knob K29 5305 03 308 Protection bag H25 0029 04 316 Knob K29 4704 04 x 5 305 Polystyrene foamed fixture H10 6622 02 306 Polystyrene foamed board H11 0894 04 309 Protection bag H25 0103 04 311 Item carton case H52 1271 02 ...

Page 67: ...0000 490 1000 416 5000 420 1000 2 450 0000 450 1000 480 0000 480 1000 403 0000 410 0000 3 490 0000 469 9000 512 0000 499 9000 430 0000 429 9000 4 460 0000 460 0000 490 0000 490 0000 420 0000 420 0000 5 460 2000 460 2000 490 2000 490 2000 420 2000 420 2000 6 460 4000 460 4000 490 4000 490 4000 420 4000 420 4000 7 470 0000 470 1000 492 0000 492 1000 403 0000 403 1000 8 480 0000 480 1000 502 0000 502...

Page 68: ...QT_DEV_ _ _XXX_ Wide Narrow item DTMF deviation DTDV_XXX DTMF_DEV_ _XXX_ Wide Narrow item MSK deviation MSDV_XXX MSK_DEV_ _ _XXX_ Wide Narrow item Sensitivity SENS_XXX RX_SENSE_ _XXX_ Wide Narrow item Sensitivity SENS_XXX RX_SENSE_ _XXX_ Three digits on the upper left side _ _ L Low Transmission and reception at the low edge Sencitivity SENS_XXX RX_SENSE_ _XXX_ Three digits on the upper left side ...

Page 69: ...er 30A 8 AF Volt Meter Frequency Range 50Hz to 10kHz AF VTVM Voltage Range 3mV to 3V 9 Audio Generator AG Frequency Range 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Voltmeter Measuring Range 10 to 1 5V DC or less Input Impedance 50kΩ V or greater 12 4Ω Dummy Load Approx 4Ω 30W 13 Regulated Power Supply Adjustable from 9 to 17V...

Page 70: ...IT X57 562 A 3 ANT CN104 L101 L104 CN201 CN103 CN202 A B C CV L111 L112 L113 L114 L116 L120 L115 CN203 CN1 W1 W2 CN3 VR1 CN4 CN101 CN102 TX RX UNIT X57 562 A 3 Power module FINAL UNIT X57 562 C 3 CN505 CN501 CN506 CN502 CN504 W501 VR501 MIC SENS CN508 CN507 CONTROL UNIT X57 562 B 3 Adjustment Points TK 890 B TK 890H B CN505 CN501 CN506 CN502 CN504 W501 VR501 MIC SENS CN508 CN507 CONTROL UNIT X57 5...

Page 71: ... 1 K3 5 CH SIG 7 1 K CH SIG 1 1 K2 K3 6 CH SIG 2 1 K K3 CH SIG 11 1 K2 PTT ON 4Ω dummy load AF VTVM Oscilloscope Distortion meter SSG ACC SP ANT AG AF VTVM MIC PTT Power meter Coupler Deviation meter Frequency counter ANT Ammeter Power supply DC IN CH No Encode tone Decode tone 1 None None 2 100Hz square wave None 3 QT 67 0Hz QT 67 0Hz 4 QT 151 4Hz QT 151 4Hz 5 QT 250 3Hz QT 250 3Hz 6 DQT 023N DQT...

Page 72: ...CH SIG 9 1 511 9MHz TK 890 B K3 type BPF bandwidth 410 430MHz Default 403 423MHz Revised Channel allocation and frequency of test mode Default Revised Low CH SIG 2 1 410 1MHz CH SIG 7 1 403 1MHz Center CH SIG 1 1 420 1MHz CH SIG 8 1 413 1MHz High CH SIG 3 1 429 9MHz CH SIG 9 1 422 9MHz TK 890H B K type BPF bandwidth 450 470MHz Default 460 480MHz Revised Channel allocation and frequency of test mod...

Page 73: ...power 1 Select _ _L Power meter Rear ANT Final VR1 Maximum clockwise 105W or more High power _POW_XXX Ammeter model in tune mode 100W adj 100W 5W 28A or less High power PTT ON Panel PF3 key 100W Check 100W 5W PF4 key 2 Select _ _H 75W adj 75W 1W _POW_XXX 28A or less in tune mode PTT ON Low power 1 CH SIG 1 1 40W adj 40W 1W Select LPOW_XXX in tune mode PTT ON Med power 1 CH SIG 1 1 TX RX VR1 Maximu...

Page 74: ..._ _H MXDV_XXX in tune mode PTT ON Narrow 1 Up down knob Set the narrow Narrow 2 05kHz 0 05kHz n_L MXDV_XXX in tune mode PTT ON 2 Select n_C MXDV_XXX in tune mode PTT ON 3 Select n_H MXDV_XXX in tune mode PTT ON 10 MIC 1 CH SIG 1 1 TX RX VR501 Check 2 75 3 25kHz sensitivity PTT ON B 3 Wide only Deviation meter filter HPF OFF LPF 15kHz De emphasis OFF AG 1kHz 5mV 11 DQT 1 CH SIG 1 2 Panel PF3 key Wi...

Page 75: ...G 1 6 Wide 0 75kHz 0 05kHz deviation Select DQDV_XXX in tune mode PTT ON Deviation meter filter HPF OFF LPF 3kHz De emphasis OFF 2 Up down knob Set the narrow Narrow 0 35kHz 0 025kHz n_ _ DQDV_XXX in tune mode PTT ON 14 DTMF 1 CH SIG 1 8 Wide 3 0kHz 0 1kHz deviation Select DTDV_XXX in tune mode PTT ON Deviation meter filter HPF OFF LPF 15kHz De emphasis OFF 2 Up down knob Set the narrow Narrow 1 5...

Page 76: ...t to point of Set the value to 255 tight point Select SQ_T_XXX opening squelch Adjust the SSG output to in tune mode Condition SSG output Value when 6dB Then decrease the value to is added from the sensitivity the point of opening the value of 12dB SINAD squelch 2 Up down knob Set the narrow n_ _ SQ_T_XXX in tune mode 18 Squelch 1 CH SIG Center 1 open point Select SQ_O_XXX in tune mode SSG output ...

Page 77: ...isplay 3 SB O Power output after power switch unit 13 6V or 13 4V 15 4 IGN I Ignition input 5 PS I Power swith control signal input 6 TRD I O TX data output RX data input 7 1 2 O Remote head 1 signal output 8 RST O RESET signal output 9 E Earth 10 MIC I MIC signal input 11 ME MIC earth CN501 1 B I Power supply input 13 6V or 13 4V 15 To 2 B I Power supply input 13 6V or 13 4V 15 Final 3 E Earth un...

Page 78: ...t 12 PTO O PTT signal output 13 8C O Common 8V output 14 E Earth CN1 1 DO I Transmission drive input To Coaxial connector TX RX unit CN2 1 B I Power supply input 13 6V 15 FINAL UNIT X57 5620 XX C 3 TK 890 B Connector Terminal Terminal I O Terminal Function No No Name CN3 1 RA O Receiver signal output To Coaxial connector TX RX unit W1 1 E Earth To 2 B O Power supply output 13 6V 15 Control 3 B O P...

Page 79: ...ut level 100mVrms Standard modulation Acc 25 pin D sub connector Connector Terminal Terminal I O Terminal Function No No Name Output frequency response Wide 300 4 8kHz 1 2dB 4 8 9 6kHz 1 24dB Narrow 300 4 8kHz 1 10dB 1kHz 0dB 20 AO1 O Auxiliary output 1 FPU selectable 21 AO3 O Auxiliary output 3 FPU selectable 22 AO4 O Auxiliary output 4 FPU selectable 23 SQ O Squelch signal output L Busy H Not bu...

Page 80: ...TK 890 B H B TK 890 B H B 79 WIRING ...

Page 81: ...3 SB NC NC PTT BLC DM NC TRD E MIC ME HK J1 MIC 26 25 1 100 76 75 51 50 ED1 8 1 C17 C27 C30 C32 C35 CN4 IC2 G O I IC3 1 4 5 8 R1 R16 R18 R2 R21 R23 R24 R26 R29 R30 R31 R32 R33 R34 R35 R36 R39 R40 R48 C37 CN2 X1 C28 C29 Q3 Q5 Q6 Q7 Q12 Q13 R54 CN6 8 1 D1 D16 D17 D19 D2 D20 D21 D24 CN3 CN1 R55 Q14 Q15 R12 R11 R9 R7 D25 R67 1 9 IGN SB E MIC ME AI1 AI2 AO1 AO2 1 11 RS2 RS1 SB IGN PS TRD 1 2 RST E MIC ...

Page 82: ... R53 R51 R49 R47 R45 R46 R48 R50 R52 R54 R56 IC4 IC3 C67 C66 R26 C35 C27 IC2 O I G C36 C32 C40 CN4 R42 R20 R19 R14 R16 R34 R33 R31 R21 R22 R11 R2 R1 R24 R28 R29 R39 CN2 C30 C14 X1 C28 C29 R63 Q3 Q6 R13 Q10 Q9 R65 D1 D11 D12 D14 D15 D16 D18 D2 CN1 CN3 CN5 R66 Q14 Q15 D19 R67 1 9 IGN SB E MIC ME AI1 AI2 AO1 AO2 11 1 RS2 RS1 SB OGN PS TRD 1 2 RST E MIC ME RS1 RS2 1 2 3 1 1 E VCC CE CL DI DO NC LEDA L...

Page 83: ...T R P N L J H F D B S Q O M K I G E C A 1 3 5 7 2 4 6 CIRCUIT DIAGRAM TK 890 B H B Note Components marked with a dot are parts of pattern 1 88 ...

Page 84: ...A C E G I K M O Q S B D F H J L N P R T 1 3 5 7 2 4 6 TK 890 B H B CIRCUIT DIAGRAM 89 Note Components marked with a dot are parts of pattern 1 ...

Page 85: ... Q522 CN504 C619 CN507 R717 C598 R713 R714 R716 R676 R718 C703 R690 R720 C704 C705 C706 C707 R721 R722 C708 R723 Q526 Q527 Q530 IC526 R724 R725 C709 R726 C710 C711 R727 Q531 Q532 R728 IC518 1 4 5 8 1 4 5 8 1 4 5 8 IC521 IC524 IC502 1 4 5 8 Q541 R742 X502 R746 R748 R747 TI PC TV RSI SQL DET E 8C KEY CK ES DT SB MB MO CP EP UL NC 1 18 DE3 5C TP 1 11 12 22 23 33 34 44 SB 1 10 AFO DE3 E EI CK DT RST 5...

Page 86: ...R698 C698 R699 C699 R706 R702 C701 R703 Q525 R707 R708 R709 R710 R711 R712 IC523 1 8 9 16 IC517 1 8 9 16 R715 Q528 Q529 C712 R655 Q538 Q540 Q537 Q539 Q534 Q536 Q533 Q535 R734 R730 R736 R732 R733 R729 R731 R735 IC513 IC505 IC508 1 1 1 1 4 4 4 5 5 5 4 5 8 8 8 8 IC510 R741 R744 Q542 Q544 Q543 R740 J72 0569 42 B 3 1 4 5 8 1 16 17 32 1 2 4 5 3 Component side Foil side Pattern 1 Pattern 2 Pattern 3 Patt...

Page 87: ...32 R633 R634 R635 R636 R638 R639 R641 R657 R661 R662 R663 R667 VR501 MIC SENS X501 R695 R697 IC504 W501 CN506 CN505 R668 R674 R602 CN501 CN502 Q519 IC525 1 7 8 14 IC514 R536 R617 R618 R620 R619 R623 R629 R630 R627 L501 R607 R659 C640 R658 R691 R537 R509 3 1 C527 IC522 R700 C700 C524 Q503 Q514 Q520 Q516 Q517 Q522 CN504 C619 CN507 R717 C598 R713 R714 R716 R676 R718 C703 R690 R720 C704 C705 C706 C707...

Page 88: ...10 C25 C26 C31 C36 R13 C29 C9 C17 C1 C6 R6 C35 R15 R11 Q4 R5 Q5 D6 D7 Q1 Q3 Q6 1 3 4 5 J72 0569 42 C 3 TK 890 B PC BOARD VIEWS FINAL UNIT X57 5620 XX C 3 10 TK 890 B K 11 TK 890 B K2 12 TK 890 B K3 Component side view FINAL UNIT X57 5620 XX C 3 10 TK 890 B K 11 TK 890 B K2 12 TK 890 B K3 Foil side view 99 100 Component side Foil side Pattern 1 Pattern 2 Pattern 3 Pattern 4 Ref No Address Q1 9I Q3 ...

Page 89: ...ew Foil side Component side Foil side Pattern 1 Pattern 2 Pattern 3 Pattern 4 Connect 1 and 4 Ref No Address Ref No Address Ref No Address IC1 3H Q5 6Q D4 6N Q1 6I Q6 6Q D5 6O Q2 6I D1 5B D6 4O Q3 6J D2 6B D7 3P Q4 6J D3 5M DTA144EUA DTC114TU DTC114YUA DTC144EU DTC363EK DTD114EK 2SA1162 2SC2712 2SC3356 2SB1132 2SC2873 2SC2954 2SC3357 2SD1624 FMC2 FMW1 DTA114EUA DTA114TUA DTA144TKA PCD3312CT L78LR0...

Page 90: ...4 R110 R111 R114 R107 C354 C352 R312 R313 R326 C326 R302 R303 R304 R301 C136 R105 C203 C116 C120 C124 R153 C229 C220 R139 C166 R155 R154 R156 L318 C325 C374 C375 C377 C379 C378 L106 L105 L117 C153 Q109 C173 C175 R145 R157 R158 R159 C174 R113 R112 R115 C312 C132 D104 D105 D107 D201 D308 Q201 Q308 Q309 Q310 Q313 Q315 C313 C316 R161 TH101 C178 R163 R166 C176 Q103 Q305 Q306 Q307 Q314 L307 L308 L309 CN...

Page 91: ...224 R225 R226 C225 R343 R327 C323 C115 C217 C227 R305 C381 C380 L319 R309 C167 C336 D307 C373 C179 C232 C230 C235 R165 R306 C307 C311 C376 R318 L118 L123 D108 R160 L102 L103 D102 D103 Q105 Q106 Q107 Q108 Q203 Q206 Q301 Q302 Q303 Q304 Q311 Q312 R134 IC201 R162 R143 1 8 9 16 O G I E E C C B E C B B O G I 1 8 9 16 J72 0569 42 A 3 105 106 Component side Foil side Pattern 1 Pattern 2 Pattern 3 Pattern ...

Page 92: ...05 R206 R208 R209 R210 R211 R213 C201 C202 C204 C206 C207 C208 C210 C214 C215 C218 C219 L201 L202 L203 R118 R117 R120 R125 R126 R119 R123 C118 C133 C126 C117 C127 L109 L110 R124 C125 A101 L108 L107 R219 R220 C223 L204 R150 R151 R152 R149 C109 C112 C113 C114 C177 Q102 R164 R110 R111 R114 R107 C354 C352 R312 R313 R326 C326 R302 R303 R304 R301 C136 R105 C203 C116 C120 C124 R153 C229 C220 R139 C166 R1...

Page 93: ...T R P N L J H F D B S Q O M K I G E C A 1 3 5 7 2 4 6 CIRCUIT DIAGRAM TK 890 B 112 Note Components marked with a dot are parts of pattern 1 ...

Page 94: ...113 A C E G I K M O Q S B D F H J L N P R T 1 3 5 7 2 4 6 TK 890H B CIRCUIT DIAGRAM Note Components marked with a dot are parts of pattern 1 ...

Page 95: ...Q9 R12 R13 C61 R16 R14 L5 L6 L8 K1 C8 C49 C48 R15 R17 L7 L9 R20 R19 CN2 RA C12 Q4 C18 R2 Q2 C16 R1 R7 R5 R4 R3 Q1 C5 C36 C23 C22 R6 VR1 Q10 R18 Q11 C9 C72 C73 Q5 Q8 CN4 GND CN3 B C10 C68 C63 D5 W2 W4 E B B 1 3 C28 C29 C33 C32 C30 C31 C35 C34 Q6 Q7 W1 TH1 IC1 5 4 3 2 1 J72 0570 02 W2 E C B 1 2 3 5 E C B Q3 W3 APC W5 1 5 DB E 8R 8T PC 1 2 3 5 118 PC BOARD VIEW TK 890H B Component side Foil side FINA...

Page 96: ...TK 890 B H B TK 890 B H B BLOCK DIAGRAM 119 ...

Page 97: ...o 5W TK 890H 100W 450 to 470MHz 75W 470 to 480MHz adjustable to 40W Antenna Impedance 50Ω Spurious Response 80dB Type of Emission 16K0F3E Wide 11K0F3E Narrow FM Hum and Noise 50dB Wide 44dB Narrow Microphone Impedance 600Ω Audio Distortion Less than 2 at 1000Hz Band Spread TK 890 40MHz K 32MHz K2 27MHz K3 TK 890H 30MHz KENWOOD follows a policy of continous advancement in development For this reaso...

Page 98: ...y 75018 Paris France KENWOOD ELECTRONICS U K LIMITED KENWOOD House Dwight Road Watford Herts WD1 8EB United Kingdom KENWOOD ELECTRONICS EUROPE B V Amsterdamseweg 37 1422 AC Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD IBERICA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 16 Giffnock Avenue Cen...

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