Kenwood TK-90 Service Manual
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Kenwood TK-90 Service Manual

Hf transceiver
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See also: Instruction Manual
HF TRANSCEIVER /
TK-90
SERVICE MANUAL /
REVISED /
Modular jack
(E58-0522-05)
Lead wire with connector (AT)
(E37-1228-05)
Lead wire with
connector (DC IN)
(E37-1224-05)
无铅焊接通信产品
保护环境建伍领先
注意∶本产品是无铅化焊接产品
在维修时请使用无铅焊锡
和相应的焊接工具
详细事项请访问如下网址了解 ∶
http://www.kenwoodhk.com.hk/
!"
Cover
Key top
(F07-1905-01)
(K29-9362-02)
Foot
(J02-0441-15) x 2
!
© 2007-2 PRINTED IN JAPAN
B51-8757-10 ( N ) 630
Panel assy
Badge
(A62-1125-03)
(B43-1186-04)
Shielding plate
(F15-1013-04)
Cover (FAN)
RF coaxial
(F07-1874-05) x 2
receptacle (M)
(E04-0167-15)
This product uses Lead Free solder.

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Summary of Contents for Kenwood TK-90

  • Page 1 !" HF TRANSCEIVER / TK-90 SERVICE MANUAL / REVISED / © 2007-2 PRINTED IN JAPAN B51-8757-10 ( N ) 630 Modular jack Cover Key top Panel assy Badge (E58-0522-05) (F07-1905-01) (K29-9362-02) (A62-1125-03) (B43-1186-04) Lead wire with connector (AT) Shielding plate...

  • Page 2: Table Of Contents

    Kenwood assumes no responsibility for errors !"#$%&'hÉåïççÇ= !"#$%&'()* 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 time for improvement purposes.

  • Page 3: General

    TK-90 GENERAL / INTRODUCTION !"# SCOPE OF THIS MANUAL !"#$%&'()*+,-./01234567 This manual is intended for use by experienced techni- !"#$%&'()*+,- ./01234567 cians familiar with similar types of commercial grade commu- !"#$%&'()* +,-.* $/01= !"# = nications equipment. It contains all required service informa- !"#$ =...

  • Page 4: System Set-Up

    TK-90 SYSTEM SET-UP / Merchandise received See page 13. You can install either KIF-2 or KIF-2 SSB wide filter or Are you using the option Xtal filter? YF-107C to the transceiver. YF-107C CW filter See page 13. VGS-1 Are you using the voice guide & storage unit? See page 118.

  • Page 5: Realignment

    TK-90 REALIGNMENT / 1. Modes 用户模式 User mode Dealer mode Memory channel setting mode 存储信道设置模式 经销商模式 (Channel settings and (信道设置和功能设置) [ ] 或 [ ] [ ] or [ ] Function settings) 功能设置模式 Function setting mode [ ] + 接通电源...
  • Page 6 TK-90 REALIGNMENT / !"#$% 3. Test Mode (Panel Test) !"#$ %& Setting method refer to ADJUSTMENT. !"#$% 4. Adjustment Mode (Panel Tuning) !"#$ %& Setting method refer to ADJUSTMENT. !" 5. PC Mode 5-1. Preface RJNK= !"#$%&"' ()*+=EhmdJQSLQS^F rp_ The transceiver is programmed by using a personal com- !"=EhmdJNMOaF=...
  • Page 7 TK-90 REALIGNMENT / !"#$ %&'()*+,- ./0123456 2. When the POWER switch on, user mode can be entered !"#$%!&'() * moldo^j = !"# immediately. When PC sends command the transceiver enter PC mode, and “PROGRAM” is displayed on the !"#$%&'()* +,-iba LCD.
  • Page 8 8. To repeat the data writing process on additional transceiv- ers, repeat steps 4 to 7. Notes: !"#$NVIOMM=Äéë !"#$% • The TK-90 hardware can use only a baud rate of 19,200 qhJVM !" #$%&'() bps for communications. !"#$!=EcéêçKÉñÉF= !"...

  • Page 9: Dealer Mode

    TK-90 REALIGNMENT / !"#$%&'()*+,-./01'()*+2 5. The other target can be continuously cloned. When the [ ] !"#$%&'()*+=x z= !"#$% key on the source is pressed while the source displays !"#O Q “END”, the source displays “CLONE”. Carry out the op- = `ilkb eration in step 2 to 4.
  • Page 10 TK-90 REALIGNMENT / !"#$%& Memory channel setting mode DEALER MODE DEALER MODE [ ] 或 [ ] [ ] or [ ] FUNCTION CHANNEL FUNCTION CHANNEL [ ] 或 [ ] : 信道选择 [ ] or [ ] : Channel select –...
  • Page 11 TK-90 REALIGNMENT / Function setting mode • Operation example DEALER MODE FUNCTION [ ] or [ ] CHANNEL Item select M I C G A I N [ ] or [ ] FUNCTION [ ] or [ ] (Level 1~5)
  • Page 12 TK-90 REALIGNMENT / !"#$ DEALER MODE FUNCTION [ ] 或 [ ] CHANNEL 项目选择 M I C G A I N [ ] 或 [ ] FUNCTION [ ] 或 [ ] (电平1~5) LEVEL 4 [ ] : 数据被保存 : 取消...

  • Page 13: Installation

    TK-90 INSTALLATION / 1. Voice Guide & Storage Unit (VGS-1) 1. Remove the top case (8 screws) ( q ). 2. Loosen the 3 screws ( w ) to remove the shield cover ( e ). 3. Use the 2 rubber cushions shown illustration and attach them to the VGS-1 ( r ).
  • Page 14 TK-90 INSTALLATION / !"#$ 2-2. Installing the optional filter OJOK= !"#$%&'()*+,- 1. Insert the optional filter onto the unit and solder it in place. Note: !"#$%& '(tPON tTMO !" After installing the TX-RX unit into the chassis, push the quJou !"#$%&'()*+,-./0 1,-2345...
  • Page 15 TK-90 INSTALLATION / !=Eh`qJPVF 4. Connection Cable (KCT-39) !"#$%&'=E q F 1. Remove the black cover ( q ) from the rear of the chassis. !"#$%&`kV `kNM 2. Attach the KCT-39 connectors to the CN9 and CN10 termi- h`qJPV !"#h`qJPV !"#=E w F...
  • Page 16 TK-90 INSTALLATION / !"#=EhohJRF 6. Single Control Head Kit (KRK-5) !"#$%&'()*+,-*.h`qJOOj=EU The KRK-5 remote kit is used to remotely operate the hohJR !" transceiver. The KRK-5 is connected to the transceiver’s F h`qJOOjO=ENT F= h`qJOOjP=EOR !"#$%&'()* front panel an optional KCT-22M (8 feet), KCT-22M2 (17 feet), hohJR or KCT-22M3 (25 feet) control cable.
  • Page 17 TK-90 INSTALLATION / !=Eh`qJOOF= 6-3. Control Cable (KCT-22) Connection SJPK= !"#$%&'()*+,-./=E 1. Insert one connector of the control cable to the trans- hohJRF !"#=E y F ceiver (with KRK-5) and the other to the display ( y ). !"#$%&'()=E u F= !"#dka...

  • Page 18: Disassembly For Repair

    TK-90 DISASSEMBLY FOR REPAIR / 1. Installing the Sub-Panel !"#$% &'()* +,-./0123!"4 Installation of the sub-panel into the front panel can be dif- ficult, so please follow the instructions below for installation procedures. !"#=E q F 1. Tilt the sub-panel at an angle of 45° ( q ).

  • Page 19: Circuit Description

    TK-90 CIRCUIT DESCRIPTION / Frequency Composition !"#$%&'()*+,$,-./0 This transceiver operates with double conversion fre- quency composition. TX/RX RX MIX 73.095MHz 10.695MHz RX MIX 1st IF 2nd IF AF OUT 73.125~ 103.095MHz MIC IN TX MIX VCO2 VCO1 Q714 Q713 62.4MHz Q708,704 10.695MHz...
  • Page 20 TK-90 CIRCUIT DESCRIPTION / !"#$%&'() *+NMeò With the DDS (IC701), the output frequency is swept with aap=Ef`TMNF= !=Ñaap=pqbm=xeòz=Z=NM=ñ=oLk ! "# the formula: fDDS STEP [Hz]=10 x R/N, when at 10Hz Step, Neò and with the formula: fDDS STEP [Hz]=1 x R/N, when at 1Hz =Ñaap=pqbm=xeòz=Z=N=ñ=oLk...
  • Page 21 TK-90 CIRCUIT DESCRIPTION / Receive Circuit !"#$%&'(TPKMVRjeò !"NMKSVRjeò The receive circuit is a double conversion structure with !"#$% first IF: 73.095MHz and second IF: 10.695MHz. !"#$%&' From Antenna to Preamplifier !"#$%&'()*+cáå~ä The received signal from the antenna terminal is passed =EuQRJPTUF !"#$=EhNF=...
  • Page 22 TK-90 CIRCUIT DESCRIPTION / !"#$% Receiving IF Filter !"#$%&'()*+NMKSVRjeò !"# The 10.695MHz received signal converted at the second !"#$%=EnNURF= !"#$%& '()* mixer is amplified by the gain-controlled (AGC) second IF E^d`F= !"#$%&nNUR !"#$NMKSVR amplifier (Q185). Q185 also functions as a noise blanker nNUR !"#$%&'()*+,-./...
  • Page 23 TK-90 CIRCUIT DESCRIPTION / Item Rating !"# Nominal center frequency 10.695MHz NMKSVRjeò Within ± 150Hz at 6dB ! " Center frequency deviation SÇ_I= NRMeò !" Pass bandwidth and 2.7kHz or more at 6dB SÇ_I=OKTâeò Attenuation bandwidth 4.4Hz or less at 20dB OMÇ_I=QKQâeò...
  • Page 24 TK-90 CIRCUIT DESCRIPTION / !"#$%&'() From Detection Circuit to Speaker Output !"#$%&'()*+,-.=Ef`QROF !"# The detected audio signal is input into the multiplexer !"#$%F= !"#$%& '()*+,-./# (IC452). The multiplexer, depending on the mode at the time, !"#$%&'()*+,f`=Ef`RRNF= switches the detection circuit output, and the signal is ampli- Ef`QRPF= !"#$sdpJN...
  • Page 25 TK-90 CIRCUIT DESCRIPTION / !"#^c=^i` !"#$%&'()*^c=^i` Connected to the first AF ALC amplifier output, switching !"# $%!&'()*+ to the second AF ALC amplifier (IC602), are the recording =Ef`SMOF= sdpJN output for VGS-1, the play input, and the I/O circuit for the !"^c=^i`...
  • Page 26 TK-90 CIRCUIT DESCRIPTION / !"#$%&'()*+,-"#( The signal passed through the IF amplifier loses all unnec- j`c=EucNMNF= !"#$%& ' ()*+,-./01234=Ef`NMNF essary signals other than the second IF signal at the MCF !"#$%&"#'()* (XF101). Here, it is inserted into the second transmission !"#$=Ef`NMNF=...
  • Page 27 TK-90 CIRCUIT DESCRIPTION / !"#$%&' soO !"nO soP The idling current adjusting trimmer potentiometer is ad- !"#$nQ nR !"#$%&' justed as VR1 for the pre-drive, VR2 for drive Q2, VR3 for nP soQ !" !"#$%&'cbq !"cbq síÜ drive Q3, and the final steps Q4 and Q5 are adjusted to VR4.
  • Page 28 TK-90 CIRCUIT DESCRIPTION / !" Protection Circuit 1) Current Protection !"#$%&'(spto !"#$%&'()* Even with a load whose VSWR is relatively in good condi- !"#$%&'()*#+,-!#+./0123 tion, there may be cases where the consumption current in- !"#$%&'(cáå~ä !" #$ %&'()* creases. This is the protection circuit which detects such cur- !"...
  • Page 29 TK-90 CIRCUIT DESCRIPTION / !"#$%f`=Ef`SMNF slu !"#$%&'() The VOX circuit gives priority to what goes over a speci- !"#$%&'()*+,-./01*2,- %& fied value by the use of a flip-flop IC (IC601). Setting values !"#$ %&'()*!+ are set for the speaker output and microphone input levels !"#$#%slu...
  • Page 30 TK-90 CIRCUIT DESCRIPTION / Display Section !"#$%&j ` r !"# $%&'(# )* The display section consists of a MCU for the panel and !"j`r !"#$%& the peripheral circuit, an LCD display, and LEDs for the back- ! qua !quJou light. Communication with the main MCU is performed with aáëJ...

  • Page 31: Selcall Operation

    TK-90 CIRCUIT DESCRIPTION / !"# SELCALL Operation !"#$%&'()*cph=f`=kgjOONNj=Ef`USRF The SELCALL signal is passed through FSK IC for de- !"#$%&' nURV !"#$%&'( modulation NJM2211M (IC865). When the SELCALL func- !"#$%&'()*"+,-./ 012345 tion is on, Q859 is turned ON by MCU signal and power is !"f`USP...

  • Page 32: Components Description

    TK-90 COMPONENTS DESCRIPTION / 1. Final Unit (X45-3780-20) NK=cáå~ä =EuQRJPTUMJOMF Ref. No. Use / Function Operation / Condition !"#$Us 8V for digital circuit !"#$Us 8V for analogue circuit LPF control signal (Serial → Parallel) Extended I/O !"# Amplifier Pre-drive amplifier !"...
  • Page 33 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition Switching TX indication LED switch !iba Switching Busy indication LED switch !" Q11~14 Switching Dimmer control nNNúNQ !" D1,2 1.8V zener diode Voltage protection aNIO NKUs D3~5 Limiter Surge prevention aPúR...
  • Page 34 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !"#$%&'( IC423 OP amplifier Buffer for S-meter voltage f`QOP IC451 Mixer IC Demodulator f`QRN !"# IC452 Multiplexer Detect signal select f`QRO !"#$ IC453 OP amplifier Detect signal buffer...
  • Page 35 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !"# IC857 Reset IC Back up indicate signal f`URT IC859 5V AVR 5V for CPU f`URV Rs=^so `mr Rs !"#Rs IC861 5V AVR 5V for option board f`USN Rs=^so !"#$...
  • Page 36 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !"#$% Q322 Amplifier IF amplifier for NB circuit nPOO !" !"#$% Q323 Differential IF amplifier for NB circuit nPOP amplifier !" Q324 Amplifier NB AGC control amplifier nPOQ k_=^d` !"#$%...
  • Page 37 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition Q708 Doubler 31.2MHz x 2 nTMU PNKOjeò=ñ=O Q709 Buffer 15.6MHz buffer nTMV NRKSjeò Q711 Doubler 15.6MHz x 2 nTNN NRKSjeò=ñ=O !" Q712 Buffer DDS output buffer nTNO Q713...
  • Page 38 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !"#$NKSMRjeò Switching ON when receiving under 1.605MHz is selected Switching ON when BPF of NMKRúNQKRjeò _mc 10.5~14.5MHz is selected Switching ON when BPF of 2.5~4.1MHz is OKRúQKNjeò _mc...
  • Page 39 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !" D252 Switching 1/2: ON when AM mode is selected aORO NLOW= 2/2: ON when 2.4kHz SSB filter is OLOW= OKQâeò=pp_ selected ====== !"# $%&'( D253 Switching ON when option filter is selected aORP !"...
  • Page 40 TK-90 COMPONENTS DESCRIPTION / Ref. No. Use / Function Operation / Condition !"# D601,602 Reverse current Audio AGC aSMNISMO prevention D603,604 Attenuator VOX voltage control aSMPISMQ !"# D605,606 Reverse current Audio AGC aSMRISMS prevention !"# D607,608 Reverse current Mute circuit...

  • Page 41: Semiconductor Data

    TK-90 !" SEMICONDUCTOR DATA / !"W=PMSORcdmrh_ba 1. Main Microcomputer: 30625FGPUKBED (TX-RX unit IC855) ===EquJou f`URRF Pin No. Port Name I/O Function !"# VREF A/D converter, sobc !"#$%&'( D/A converter reference voltage input !"#$%&'() AVCC Power source input for A/D converter...
  • Page 42 TK-90 !" SEMICONDUCTOR DATA / Pin No. Port Name I/O Function !"#=E !j`rF RXD0 Serial data input (From panel MCU) ouaM RF blanking control !"# Audio blanking control !" Audio mute control !"# Transmission power supply control !"#$% Transmission power output control !"...
  • Page 43 TK-90 !" SEMICONDUCTOR DATA / Pin No. Port Name I/O Function APTT PTT instruction input from KPE-2 ^mqq hmbJO mqq AAMU Reserve ^^jr !"#$% FSINT FSK signal reception interruption input cpfkq !"#$% Power switch line input !"#$ Ignition sense input...
  • Page 44 TK-90 !" SEMICONDUCTOR DATA / 2. Extended I/O Port 2-1. TX-RX unit IC1: BU2099FV Pin No. Port Name Pin Name Function Active level Condition BPF4 4.1~7.5MHz BPF L: Selection BPF5 7.5~10.5MHz BPF L: Selection BPF6 10.5~14.5MHz BPF L: Selection BPF3 2.5~4.1MHz BPF...
  • Page 45 TK-90 !" SEMICONDUCTOR DATA / OJNK=quJou f`NW=_rOMVVcs _mcQ QKNúTKRjeò=_mc _mcR TKRúNMKRjeò=_mc _mcS NMKRúNQKRjeò=_mc _mcP OKRúQKNjeò=_mc _mcN PMâúNKSMRjeò=_mc _mcT NQKRúONKRjeò=_mc _mcU ONKRúPMjeò=_mc _mcO NKSMRúOKRjeò=_mc !"# c^ke !"# c^ki !"L !" !"#$L !"#$ mêÉ OJOK=quJou f`QONW=_rOMVVcs !"#$%=E !"#$%& qubn !"=Eoqh !"#$% cphp !"#$%&...
  • Page 46 TK-90 !" SEMICONDUCTOR DATA / !"#W 3. Panel Microcomputer: 30302MAP150GU (Display unit IC3) ====PMPMOj^mNRMdr=Eaáëéä~ó f`PF Pin No. Port Name I/O Function NúQ SHIFT pefcq !"#$%&' BYTE External data bus changeover input _vqb !"#$%& CNVSS Processor mode changeover input `kspp Reset input !"=ENQKTQRSjeòF...

  • Page 47: Block Diagram

    TK-90 !" SEMICONDUCTOR DATA / Pin No. Port Name I/O Function !"=E F Front panel key ( ) !"=E F Front panel key ( ) !"=E F Front panel key ( ) AVSS ^spp !"#$%& VREF AD converter reference power source...

  • Page 48: Parts List

    TK-90 PARTS LIST / CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
  • Page 49 Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Other Areas Teile ohne Parts No. werden nicht geliefert. TK-90 (Y52-3290-20) FINAL UNIT (X45-3780-20) Desti- Desti- Ref. No. Address Parts No.
  • Page 50 TK-90 PARTS LIST / FINAL UNIT (X45-3780-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C105,106 CM73F2H102J CHIP C 1000PF C714 CK73FB1H103K CHIP C 0.010UF C107 CM73F2H681J CHIP C 680PF...
  • Page 51 TK-90 PARTS LIST / FINAL UNIT (X45-3780-20) DISPLAY UNIT (X54-3560-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation L701 L34-1281-05 AIR-CORE COIL 1SS355 DIODE L702 L34-1282-05 AIR-CORE COIL D101 1SS355...
  • Page 52 TK-90 PARTS LIST / DISPLAY UNIT (X54-3560-20) TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation J19-5467-03 HOLDER S1-11 S70-0896-05 TACT SWITCH J21-8470-03 MOUNTING HARDWARE J31-0558-05 COLLAR D1,2...
  • Page 53 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation CC73GCH1H821J CHIP C 820PF C124 CC73GCH1H060B CHIP C 6.0PF CK73GB1H104K CHIP C 0.10UF C125 CC73GCH1H151J...
  • Page 54 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C230,231 CK73GB1H103K CHIP C 0.010UF C372 CC73GCH1H471J CHIP C 470PF C232 CK73GB1H102K CHIP C 1000PF...
  • Page 55 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C484 CK73GB1H103K CHIP C 0.010UF C631 CK73GB1E105K CHIP C 1.0UF C485-487 CK73GB1E105K CHIP C 1.0UF...
  • Page 56 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C757 CK73GB1H103K CHIP C 0.010UF C831 CC73GCH1H101J CHIP C 100PF C760 CC73GCH1H101J CHIP C 100PF...
  • Page 57 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C929 CK73GB1E105K CHIP C 1.0UF CN236 E41-0936-05 PIN ASSY C930-935 CC73GCH1H101J CHIP C 100PF E11-0455-05 3.5D PHONE JACK (3P)
  • Page 58 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation L117 L41-1015-33 SMALL FIXED INDUCTOR (100UH) L723 L41-2295-33 SMALL FIXED INDUCTOR (2.2UH) L118,119 L41-4705-33 SMALL FIXED INDUCTOR (47UH)
  • Page 59 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation RK73GB2A273J CHIP R 1/10W R151 RK73GB2A000J CHIP R 1/10W RK73GB2A681J CHIP R 1/10W R152,153 RK73GB2A331J...
  • Page 60 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R240 RK73GB2A470J CHIP R 1/10W R324 RK73GB2A154J CHIP R 150K 1/10W R243 RK73GB2A104J CHIP R...
  • Page 61 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R400 RK73GB2A822J CHIP R 8.2K 1/10W R468 RK73GB2A104J CHIP R 100K 1/10W R401 RK73GB2A473J CHIP R...
  • Page 62 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R553 RK73GB2A101J CHIP R 1/10W R628 RK73GB2A103J CHIP R 1/10W R554 RK73GB2A223J CHIP R 1/10W...
  • Page 63 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R739 RK73GB2A271J CHIP R 1/10W R811 RK73GB2A473J CHIP R 1/10W R740 RK73GB2A153J CHIP R 1/10W...
  • Page 64 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R994 RK73EB2E560J CHIP R 1/4W D704,705 HSC277 DIODE R995,996 RK73GB2A182J CHIP R 1.8K 1/10W D851,852...
  • Page 65 TK-90 PARTS LIST / TX-RX UNIT (X57-7210-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation Q105,106 2SK508NV(K53) Q855 DTC114TE DIGITAL TRANSISTOR Q107 2SK2596-E Q856 DTC114EE DIGITAL TRANSISTOR Q108,109 2SK508NV(K53) Q858...

  • Page 66: Exploded View

    TK-90 !" EXPLODED VIEW / : N09-2477-05 ø4 (FW) : N15-1040-48 M3 x 6 (F) : N32-3006-48 D M3 x 6 (OC) : N33-3006-43 M3 x 8 (Bi) : N35-3008-43 M4 x 10 (Bi) : N35-4010-48 G M2.6 x 10 : N66-2610-48 H M2.6 x 8...

  • Page 67: Packing

    TK-90 PACKING / 6 Instruction manual (B62-1866-20) Protection bag 7 Instruction manual (B62-2001-00) Packing fixture 25 Fuse (Blade type) (25A/32V) (F52-0044-05) 24 Fuse (Blade type) (4A) (F52-0038-05) 25 Fuse (Blade type) (25A/32V) (F52-0044-05) x 2 Protection bag Protection bag Protection bag...

  • Page 68: Adjustment

    TK-90 ADJUSTMENT / !"# Required Test Equipment !"=Ea`=sKjF 1. DC Voltmeter (DC V.M) !"Nj 1) Input resistance : More than 1MΩ !"NKRúNMMMs= 2) Voltage range : 1.5 to 1000V AC/DC !"#$%&'($)*+,-.%/0123 Note: A high-recision multimeter may be used. How- !"#$%&'() ever, accurate readings can not be obtained for high- !"...
  • Page 69 TK-90 ADJUSTMENT / Test Mode (Panel Test) !"#$%&'()*+,-./0 This mode allows you to test the reception sensitivity and transmission output, etc. !"#$ Entering Test Mode !"# $%=x 1. Press and hold the [ ] key while turning the power on.
  • Page 70 TK-90 ADJUSTMENT Adjustment Mode (Panel Tuning) Outline 1. You can adjust the transceiver in adjustment mode (ad- 2. Select adjustment mode Menu No. Press the [ ] or [ ] key to change the Menu No. justment using the panel keys) or with manual adjustment (turning a coil and a trimmer, etc.).
  • Page 71 TK-90 !"#$%&' !"#$%&=E !"#$%F= !"#$ !"#$%&'(F= !"#$%&'(&') !"#$ =x z= =x z= !"#$%&'( !"#$%&'( NúQUF= !"#$%&' bbmolj=EuRTJTONW=f`URQF= z= =x !"#$%& !"#$%&'()*+,- !"QU !" #$%& z= =x bbmolj !"#$%&'( !"#$%&'()*+ ,-./ !"#0 !"#$% !"#$%&' ()*+,-' ./0123 !"#$% &'()*"#$+ =x z= !"#$% = !"# =...
  • Page 72 TK-90 ADJUSTMENT Menu Condition Alignment Item Display Method Frequency Mode RX or TX Item Power Control (25W) POC 25W: 13.1MHz POC (25W) DAC_POC data by [ ] or [ ] key RF Meter (25W) RFM 25W: 13.1MHz One push [...
  • Page 73 TK-90 ou qu !=EORtF ml`=ORtW= NPKNjeò ml`=EORtF z= =x a^`=ml` =EORtF ocj=ORtW= NPKNjeò z= =x ^a`=ocj !=ENMtF ml`=NMtW= NPKNjeò ml`=ENMtF z= =x a^`=ml` =ENMtF ocj=NMtW= NPKNjeò z= =x ^a`=ocj !=ERtF ml`==RtW= NPKNjeò ml`=ERtF z= =x a^`=ml` =ERtF ocj==RtW= NPKNjeò z= =x ^a`=ocj !"#...
  • Page 74 TK-90 ADJUSTMENT Test cable for microphone input (E30-3360-08) Tuning cable (E30-3383-05) Adapter cable (E30-3383-05) is required for GREEN injecting an audio if PC tuning is used. See “PC Mode” section for the connec- BLACK tion. BLUE SHIELD WHITE GRAY RXD1...
  • Page 75 TK-90 !"#$%&'()=EbPMJPPSMJMUF !=EbPMJPPUPJMRF !"#$%&' ()*+,-./012 GREEN =EbPMJPPUPJMRF !"#$ %&'= !"#$ % BLACK BLUE SHIELD WHITE GRAY RXD1 YELLOW 导线 + 屏蔽线 – 麦克风 !"#$% ===a`=fk=W= NPKSs !"# =W=QS !"# =W=QT !=W=NPKOMMjeò !" quJou ilO NK ilO SOKQMMMMjeò ESOKQjeòF =W=rp_ !"#$% !ilO !"#$...
  • Page 76 TK-90 ADJUSTMENT MCF Section Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 1. TX MCF 1) Display f. : 13.200MHz Tracking TX-RX CN4 TX-RX L122 Adjust the top of Fig. 1 (73.095MHz) Mode : USB generator...
  • Page 77 TK-90 !=W=NPKOMMjeò ! "#$ NK qu=j`c quJou `kQ quJou iNOO ETPKMVRjeòF =W=rp_ EqmNF iNOP !"#$ iNOQ !=W=TPKMVRjeò !=W=NMMâeò EqmOF uÇÄLafs=W=NMÇ_ o_t=W=PMâeò s_t=W=PMâeò `kO=E`osF= ! "#$%&'`kO OK ou=j`c NF qu=j`c iNOM iNUN REF –30.0 dBm ATT 10 dB REF –30.0 dBm...
  • Page 78 TK-90 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 3. IF gain 1) Menu No. : 2 Rear ] or Check the adjust- (13.2MHz, USB) panel ment value (A) I F G : 0 4 8 0 3 3 SSG f.
  • Page 79 TK-90 !"#$ =W=O !"#=E^F ENPKOjeòI=rp_F I F G : 0 4 8 0 3 3 =W=NPKOMNjeò buqKpm =W=lcc ^c=sKj ajK=pm OF ppd =W=JNMTÇ_ã=ENKMµsF z= =x !"=E^F IFG : 053 033 R=E^HRF !" =E_F !=W=RRMâeò QK pLk RRMâeò =W=^j mobJ^jm=W=lk buqKpm =W=MKQRsLQ =EisTF ^c=sKj =W=RRMâeò...
  • Page 80 TK-90 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment 5. S-meter 1) Menu No. : 3 Rear ] or Once push [ ] or S-meter lights up to S1 level. (S1) (13.2MHz, USB) panel ] key to get SSG f.
  • Page 81 TK-90 !"#$%pN RK pJ =W=P z= =x !"#$% EpNF ENPKOjeòI=rp_F =W=NPKOMNjeò buqKpm =W=JNMTÇ_ã=ENµsF ^c=sKj !"#$%pP EpPF =W=Q ajK=pm ENPKOjeòI=rp_F =W=JUNÇ_ã=ENVKVµsF !"#$%pR EpRF =W=R ENPKOjeòI=rp_F =W=JQNÇ_ã=ENKVVãsF !" quJou con =W=S quJou soURN OONMeò Peò ENPKOjeòI=rp_F !=W=NPKOMMjeò TK=k_ a`=sKj quJou k_ quJou iPOS...
  • Page 82 TK-90 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.5dB 4. Tracking 1) Menu No. : 10 Spectrum TX-RX CN2 ] or –9dBm gain control (13.1MHz, USB) analyzer reference MIC input : 1kHz, 7mV...
  • Page 83 TK-90 =W=NM quJou `kO JVÇ_ã MKRÇ_ ENPKNjeòI=rp_F =W=NâeòI=Tãs !"# $% =W=NN=Erp_FI=NO=Eip_F !"#$% Erp_I=ip_F ENPKNjeòF =W=PRMeòI=Tãs =============== O TMMeòI=Tãs SK `t =W=NP MÇ_ã MKRÇ_ ENPKNjeòI=`tF TK ^j =W=NQ ENPKNjeòI=^jF !"# =W=NR a`=sKj cáå~ä cáå~ä MKOs EOKNjeòI=`tF =W=NS NMMt ENMMtF ENPKNjeòI=`tF !"...
  • Page 84 TK-90 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 0.5W 13. Power 1) Menu No. : 24 Power meter Rear ] or 5W control (13.1MHz, CW) panel (5W) Transmit RF meter 1) Menu No. : 25...
  • Page 85 TK-90 NPK= =W=OQ MKRt ERtF ENPKNjeòI=`tF !" =W=OR ERtF ENPKNjeòI=`tF !"# NQK= =W=U=Erp_FI=V=Eip_F quJou soORN QMÇ_Å Erp_I=ip_F ENPKNjeòF Erp_F soORO Eip_F NRK= =W=OS ENPKNjeòI=rp_F =W=NâeòI=Tãs NSK= =W=PM MKPt ENPKNjeòI=rp_F ERtF =W=NâeòI=Tãs ENMtF =W=OV MKSt EORtF =W=OU NKRt ERMtF =W=OT NTK= =W=PN EOKNjeòI=rp_F...
  • Page 86 TK-90 ADJUSTMENT Measurement Adjustment Item Condition Specifications/Remarks Test- Unit Terminal Unit Parts Method equipment ± 2% 18. AM 1) Menu No. : 37 Modulation Rear ] or Modulation 60% modulation (13.1MHz, AM) analyzer panel sensitivity MIC input : 1kHz, 7mV...
  • Page 87 TK-90 NUK= =W=PT ENPKNjeòI=^jF =W=NâeòI=Tãs NVK= ENPKNjeòI=^jF =W=NâeòI=OMãs OMK= =W=PV a`=sKj quJou qmO quJou soPSO Rs MKOs ENKTjeòI=`tF z= =x NOMt ONK= =W=QM quJou soPSN Rs MKOs ENUjeòI=`tF z= =x NOMt OOK= =W=QN ENPKNjeòI=`tF !"# OPK= =W=QO ENPKOjeòI=rp_F !"# OQK= =W=QP ENPKOjeòI=rp_F...
  • Page 88 TK-90 ADJUSTMENT / Adjustment Points / TX-RX UNIT (Component side view) !"F ===quJou EXT. SP W701 L181 L122 L123 L124 L120, L181: RX MCF L120 L122~L124: TX MCF (73.095MHz) W702 L326, L327: NB gain / L729, L731: LO2 level /...

  • Page 89: Terminal Function

    TK-90 TERMINAL FUNCTION / Final Unit (X45-3780-20) cáå~ä =EuQRJPTUMJOMF Pin No. Name Function CN3 (to TX-RX unit) `kP=E quJou !"#$Us=^so 8V AVR output for digital circuit !"#$Us=^so 8V AVR output for analogue circuit Switched 13.6V NPKSs 13.6V NPKSs !"#$%&'NPKSs 14AF Switched 13.6V for audio amplifier...

  • Page 90: Tx-Rx Unit (X57-7210-20)

    TK-90 TERMINAL FUNCTION / Pin No. Name Function !" Speaker output CN2 (to TX-RX unit) `kO=E quJou !" GND for MIC !"#$ MIC input signal !"Us 8V for circuit in Display unit aáëéä~ó !"#$% PSENSE Panel connect check signal mpbkpb...
  • Page 91 TK-90 TERMINAL FUNCTION / Pin No. Name Function TXD1 Data output quaN RXD1 Data input ouaN RTTY control oqqv DPTT Data PTT signal input amqq AUX1 ^ruN AUX2 ^ruO AUX3 ^ruP CN10 (for KCT-39) `kNM=E h`qJPVF !"#$%& eW= Ignition sense signal input H: Power on !"#=E...
  • Page 92 TK-90 TERMINAL FUNCTION / Pin No. Name Function !"#=EoufF RXAO RX audio signal output (RXI) ou^l INDI NC (INDI) fkaf =EfkafF CODE8 Code 8 (C8) `labU U=E`UF CODE4 Code 4 (C4) `labQ Q=E`QF CODE2 Code 2 (C2) `labO O=E`OF CODE1...
  • Page 93 TK-90 TERMINAL FUNCTION / Pin No. Name Function Switched 5V for KPE-2 hmbJO DGND DGND adka adka BRDAT Reserved: _oa^q BRCLK Reserved: _o`ih ALE2 Reserved: ^ibO ALE1 Reserved: ^ibN ASENS KPE-2 detection ^pbkp hmbJO !"# ASQC Squelch control signal ^pn` !"#...
  • Page 94 TK-90 板 PC BOARD / PC FINAL UNIT (X45-3780-20) Component side view (J79-0008-19) (ANT) CN75 YELLOW CN77 D101 C109 C701 L702 C702 C710 C709 L705 C707 L704 L301 C508 C505 C502 L502 L501 C506 C511 C507 L401 C403 C407 C405...
  • Page 95 TK-90 板 PC BOARD / PC FINAL UNIT (X45-3780-20) Component side view (J79-0008-19) Ref. No. Address CN76 WHITE AGND 14AT CN31 CN32 CN73 D101 D201 CN15 D301 D401 D501 D601 D701 CN21 Component side Layer 1 Layer 2 Foil side...
  • Page 96 TK-90 板 PC BOARD / PC FINAL UNIT (X45-3780-20) Foil side view (J79-0008-19) CN34 CN28 CN60 CN27 CN35 CN26 CN33 CN53 CN24 CN49 CN52 CN45 CN47 CN56 CN46 CN50 CN55 CN13 CN740 CN25 CN23 CN22...
  • Page 97 TK-90 板 PC BOARD / PC FINAL UNIT (X45-3780-20) Foil side view (J79-0008-19) CN58 CN11 CN36 Component side Layer 1 Layer 2 Foil side J79-0008-19...
  • Page 98 TK-90 板 PC BOARD / PC DISPLAY UNIT (X54-3560-20) Component side view (J79-0009-09) POWER DM 1 RXD1 PTT/ TXD1 DISPLAY UNIT (X54-3560-20) Foil side view (J79-0009-09) CN23 CN19 CN20 CN18 PTT/ CN16 TXD1 CN17 CN14 RXD1 CN15 CN12 CN11 CN10...
  • Page 99 TK-90 板 PC BOARD / PC DISPLAY UNIT (X54-3560-20) Component side view (J79-0009-09) J79-0009-09 Ref. No. Address Component side < C D > Layer 1 Layer 2 Layer 3 Layer 4 Foil side DISPLAY UNIT (X54-3560-20) Foil side view (J79-0009-09) Ref.
  • Page 100 TK-90 板 PC BOARD / PC TX-RX UNIT (X57-7210-20) Component side view (J79-0007-09) CN14 12 AUX3 AUX2 AUX1 DPTT RXD1 TXD1 IC854 L859 R980 CP855 CN157 R857 R901 3 TX RXD1 CP857 C896 VR852 C923 CP862 R858 CP851 D604 C871...
  • Page 101 TK-90 板 PC BOARD / PC TX-RX UNIT (X57-7210-20) Component side view (J79-0007-09) J79-0007-09 Ref. No. Address Ref. No. Address Ref. No. Address Q187 IC101 Q252 IC251 Q253 IC361 Q254 EXT. SP R857 3 TXD1 IC362 Q321 RXD1 R858 IC363...
  • Page 102 TK-90 板 PC BOARD / PC TX-RX UNIT (X57-7210-20) Foil side view (J79-0007-09) D856 J79-0007-09 CN124 R863 R989 C563 C858 D855 R864 R984 C859 R988 R986 C998 D860 R865 C860 R987 R866 CN104 CN326 D858 CN127 D853 CN115 D862 IC851...
  • Page 103 TK-90 板 PC BOARD / PC TX-RX UNIT (X57-7210-20) Foil side view (J79-0007-09) Ref. No. Address Ref. No. Address Ref. No. Address R915 IC454 Q522 D361 CN188 CN186 CN184 CN275 CN176 IC606 Q523 D362 WCNV CN278 WCLK CN119 L851 CN273...

  • Page 104: Interconnection Diagram

    TK-90 INTERCONNECTION DIAGRAM / EXT.SP RAT (YELLOW) W7 E37-0881-*5 E37-1275-*5 DRV (WHITE) W6 E37-0877-*5 W5 E37-1229-*5 CN14 DATA E37-1224-*5 13.6V FINAL UNIT X45-378 W4 E37-1230-*5 CN12 14AF 14AF 14AG 14AG E37-1228-*5 1.14AT 2.AGND EXT.AT W3 E37-1228-*5 1.TT 2.TS 14AT 3.GND...
  • Page 105 TK-90 INTERCONNECTION DIAGRAM / KCT-39 KCT-18 KCT-31 (OPTION) (OPTION) (OPTION) AUX1 RXD2 AUX2 DGND TXD2 AUX3 DPTT INT SP TX-RX UNIT DISPLAY UNIT X57-721 X54-356 CN1(PH) 2 SP 1 SPG YF-107C KIF-2 CN236 E37-1227-*5 (OPTION) PSENSE PSENSE RXD0 RXD0 TXD0...

  • Page 106: Schematic Diagram

    TK-90 SCHEMATIC DIAGRAM / FINAL UNIT(X45-3780-20) 3300p T:13.29V 3300p FINAL AMP T:13.51V 2SC2879A(O,Y) 0.01u 3300p T:13.46V T:4.80V L39-1483-05 L39-1257-05 L39-1252-15 3300p L39-0480-15 470n 0.01u 1200P T:5.04V RD16HHF1 DRIVE AMP 5.6 1W T:0.67V 220n 0.01u RD06HHF1 T:13.29V 5.6 1W PRE-DRIVE 0.01u 3300p T:5.07V...
  • Page 107 TK-90 SCHEMATIC DIAGRAM / FINAL UNIT (X45-3780-20) K102 L101 L102 S76-0423-05 L39-1500-05 L39-0459-05 E04-0154-05 K101 E37-0877-X5 S76-0423-05 220p C107 680p C103 D101 1SS355 D101 SURGE C108 100p ABSORPTION C114 0.01u L104 1.605~2.5 LPF1 L201 K202 L202 S76-0423-05 L39-0459-05 L39-1501-05 K201...

  • Page 108: Display Unit(X54-3560-20)

    TK-90 SCHEMATIC DIAGRAM / DISPLAY UNIT(X54-3560-20) B38-0914-05 S70-0896-05 S70-0896-05 CH-UP CH-DW CHUP CHDN S70-0896-05 S70-0896-05 S70-0896-05 VR-UP VR-DW POWER VRUP VRDN S70-0896-05 S70-0896-05 S70-0896-05 KEY3 KEY2 KEY1 S70-0896-05 S70-0896-05 S70-0896-05 E41-2077-05 D> <C KEY6 KEY5 KEY4 0.11V E37-1231-X5 DTC114EE 3.95V 7.93V...
  • Page 109 TK-90 SCHEMATIC DIAGRAM / DISPLAY UNIT (X54-3560-20) S[50] S[49] S[48] 79 CoM10/S79 S[47] 80 CoM9/S80 COM[9] S[46] COM[8] CoM8 S[45] COM[7] CoM7 S[44] 83 CoM6 COM[6] S[43] 84 CoM5 COM[5] S[42] COM[4] CoM4 S[41] COM[3] CoM3 S[40] LCD DRIVER COM[2]...
  • Page 110 TK-90 SCHEMATIC DIAGRAM / 原理图 TX-RX UNIT(X57-7210-20) BPF(B) GND(B) MCF(B) GND(B) 14S(A) 13.56V 13.49V MCF WAVE-FORM ALIGNMENT RATB RATB RATB E41-1505-05 HN7G01FU-F(A) 12.73V 7.94V NORM Q102 R118 4.22V 13.48V RN47A5-F 13.46V Q104 REVERSE HN7G01FU-F(A) CURRENT 13.49V PREVENTION 0.16V 220p 12.71V...

  • Page 111: Tx-Rx Unit (X57-7210-20)

    TK-90 BLOCK DIAGRAM / FINAL UNIT TX-RX UNIT Replace (2125 size) PRE.OFF –20dB –20dB Q103 ~30MHz ~30MHz 30k~1.605MHz 2SC3356-A(R24) PRE AMP 1.605~2.5MHz FINAL Current Detection Q105,106,108,109 Q183 2SK508NV(K53) x4 XF101 3SK317-E 2.5~4.1MHz IC– 4.1~7.5MHz DRIVE ~30MHz 73.095MHz Current Detection Q182...
  • Page 112 TK-90 BLOCK DIAGRAM / Q321 Q322 Q325,327 D321 2SC4617(R) 2SC3356-A(R24) 2SC4617(Q) AGC DET NB IN AM DET D454 Q458 Q323 Q324 HSM88AS-E 2SC4617(R) UMX2N 2SK1830F NOISE BLANKER Q457 Q453 D/A: IC363 2SC4617(R) 2SC4617(R) M62364FP-F Time Const NB GATE AGC REF...

  • Page 113: Level Diagram

    TK-90 LEVEL DIAGRAM / Receiver Section / Final unit TX-RX unit 13.2MHz 73.095MHz –113dBm –112dBm –111dBm –111dBm –105dBm –106dBm –98dBm –101dBm Pre OFF 1st mixer D103 D104 D106 D107 XF101 L112 L120 Q103 Pre amp 7dBm Q107 TX-RX unit 73.095MHz 10.695MHz...
  • Page 114 TK-90 LEVEL DIAGRAM / Transmitter Section / Display unit TX-RX unit 10.695MHz 13.5mVp-p 21mVp-p 167.5mVp-p 320mVp-p 1.2Vp-p 62mVp-p 46.5mVp-p 118.5mVp-p 18.5mVp-p XF252 Q610 IC605 IC602 IC602 Q255 IC251 Q253 (1/2) (2/2) TX-RX unit 10.695MHz 73.095MHz 13.1MHz 410mVp-p 210.5mVp-p 88.5mVp-p 12mVp-p...
  • Page 115 TK-90 !"#$ KPE-2 (ALE UNIT / !hmbJO !"#$%&'()*OKMM • To use KPE-2, the transceiver firmware must be version !"#$%&'()NKññ !"#$"%&'() 2.00 or later. !T F • If the transceiver firmware is version 1.xx, please update it !"#$hmdJNMOa !OKMM to the latest available firmware. (Refer to page 7.) •...
  • Page 116 8. To repeat the data writing process on additional transceiv- ers, repeat steps 4 to 7. Notes: !"#$NVIOMM=Äéë !"#$% • The TK-90 hardware can use only a baud rate of 19,200 qhJVM !" #$%&'() bps for communications. !"#$!=EcéêçKÉñÉF= !"...
  • Page 117 TK-90 !"#$ KPE-2 (ALE UNIT / !" 3. Semiconductor Data !W=PMSOicdmrh_k^=Ef`NF 3-1. Microprocessor: 3062LFGPUKBNA (IC1) PJNK= Pin No. Port Name Function P94~P92 NúP mVQúmVO !" BAUD Baud rate selection _^ra Squelch input BYTE 3.3V _vqb PKPs CNVSS/(WCNV) Not used `ksppLEt`ksF...
  • Page 118 TK-90 !"#$ KPE-2 (ALE UNIT / Pin No. Port Name Function !=Epo^jF 51~59 A17~A9 Address bus (SRAM) RNúRV ^NTú^V VCC2 3.3V s``O PKPs !=Epo^jF Address bus (SRAM) !=Epo^jF 63~66 A7~A4 Address bus (SRAM) SPúSS ^Tú^Q !=EapmLpo^jF 67~70 A3~A0 Address bus (DSP/SRAM) STúTM...
  • Page 119 TK-90 !"#$ KPE-2 (ALE UNIT / Pin No. Port Name Function MSTRB_ jpqo_| IOSTRB_ flpqo_| MSC_ jp`| HOLDA_ elia^| IAQ_ f^n| HOLD_ Not used elia| BIO_ Not used _fl| MP/MC_ Mode select jmLj`| DVdd +3.3V asÇÇ HPKPs sëë 35~38 PRúPU...
  • Page 120 TK-90 !"#$ KPE-2 (ALE UNIT / Pin No. Port Name Function 71~74 TNúTQ DVdd +3.3V asÇÇ HPKPs sëë 77~79 CLKMD1~CLKMD3 Clock mode select TTúTV `ihjaNú`ihjaP Host port interface (data bus) TOUT0 qlrqM EMU0 Not used bjrM EMU1/OFF_ Not used bjrNLlcc|...
  • Page 121 TK-90 !"#$ KPE-2 (ALE UNIT / 4. Parts List / KPE-2 (Y60-4110-00) ACCESSORY UNIT (X42-3290-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation C213 CK73GB1A105K CHIP C 1.0UF KPE-2 C214...

  • Page 122: Ale Unit)

    TK-90 !"#$ KPE-2 (ALE UNIT / ACCESSORY UNIT (X42-3290-20) Desti- Desti- Ref. No. Address Parts No. Description Ref. No. Address Parts No. Description parts nation parts nation R43,44 RK73GB2A000J CHIP R 1/10W IC15 CS18LV20483DIR MOS-IC RK73GB2A473J CHIP R 1/10W DTC114EKA...
  • Page 123 TK-90 自适应控制选件 KPE-2 (ALE UNIT / 板 5. PC Board / PC ACCESSORY UNIT (X42-3290-20) Component side view (J79-0010-09) CN12 CN13 CN206 BENB CN17 CN14 CN15 CN16 CN10 Ref. No. Address CN24 CN104 CN101 CN23 CN21 CN100 CN214 IC10 CN11...
  • Page 124 TK-90 自适应控制选件 KPE-2 (ALE UNIT / ACCESSORY UNIT (X42-3290-20) Foil side view (J79-0010-09) Ref. No. Address CN22 CN215 IC11 CN217 IC12 IC14 IC15 IC15 CN216 CN524 CN523 C170 C169 CN172 CN171 C168 C167 CN170 CN169 CN168 CN167 C164 CN166 C163...
  • Page 125 TK-90 !"#$ KPE-2 (ALE UNIT / ACCESSORY UNIT (X42-3290-20) L100 IC13 DSP_XIN TC7WU04FU-F R102 R105 1 1A 2 3Y 3 2A 4 GND 3C_CPU L77-3001-05 12.288MHz DGND DGND 1 P94 2 P93 3 P92 4 BAUD AUXIN BAUD RESET 5 SQC...
  • Page 126 TK-90 !"#$ KPE-2 (ALE UNIT / ACCESSORY UNIT (X42-3290-20) 3C_CPU 3C_DSP 3C_DSP XC62FP1802PN VOUT DGND DGND DGND 0.1u VSS1 DVDD1 VSS14 XC62FP3302P RB521S-30 VOUT 0.01u DRST X2/CLKIN VSS3 CLKOUT CVDD2 VSS13 0.01u HPIENA IC10 CVDD5 320VC5402PGE READY NC14 1.TMS 9.TCK RET / 11.TCK...

  • Page 127: Specifications

    TK-90 SPECIFICATIONS GENERAL TX Frequency Range ............1.8~30.0MHz Guarantee Frequency Range ........1.8~2.4MHz, 3.5~4.5MHz, 6.0~8.0MHz 11.0~14.5MHz, 16.0~21.5MHz, 24.0~30.0MHz RX Frequency Range ............0.5~30.0MHz Number of Channels ............300 Channels Emission Type ..............J3E, J2B* (SSB) A1A (CW) A3E (AM) F1B (FSK) *: ALE mode Operating Temperature ............
  • Page 128 TK-90 !"# KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK NKUúPMKMjeò ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK NKUúOKQjeòI=PKRúQKRjeòI=SKMúUKMjeò NNKMúNQKRjeòI=NSKMúONKRjeòI=OQKMúPMKMjeò !"# KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK MKRúPMKMjeò KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK PMM ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK gPbI=gO_G=Epp_F ^N^=E`tF ^Pb=E^jF cN_=EcphF G=W=^ib ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK NPKSs NRB !" KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK MKRééã=E NM RM F NKMééã=E OM SM F ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK OMKR^=E FI=NKO^=E KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK RM !"#$...
  • Page 129 Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...
  • Page 130 TK-90 TK-90 板 板 PC BOARD / PC PC BOARD / PC FINAL UNIT (X45-3780-20) Component side view (J79-0008-19) FINAL UNIT (X45-3780-20) Component side view (J79-0008-19) Ref. No. Address CN76 (ANT) WHITE CN75 AGND YELLOW 14AT CN77 D101 CN31 C109...
  • Page 131 TK-90 TK-90 板 板 PC BOARD / PC PC BOARD / PC FINAL UNIT (X45-3780-20) Foil side view (J79-0008-19) FINAL UNIT (X45-3780-20) Foil side view (J79-0008-19) CN34 CN28 CN58 CN11 CN60 CN27 CN35 CN26 CN33 CN53 CN24 CN49 CN52 CN45...
  • Page 132 TK-90 TK-90 板 板 PC BOARD / PC PC BOARD / PC DISPLAY UNIT (X54-3560-20) Component side view (J79-0009-09) DISPLAY UNIT (X54-3560-20) Component side view (J79-0009-09) J79-0009-09 Ref. No. Address POWER DM 1 Component side RXD1 <C D> Layer 1...
  • Page 133 TK-90 TK-90 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7210-20) Component side view (J79-0007-09) TX-RX UNIT (X57-7210-20) Component side view (J79-0007-09) J79-0007-09 CN14 Ref. No. Address Ref. No. Address Ref. No. Address 12 AUX3 AUX2...
  • Page 134 TK-90 TK-90 板 板 PC BOARD / PC PC BOARD / PC TX-RX UNIT (X57-7210-20) Foil side view (J79-0007-09) TX-RX UNIT (X57-7210-20) Foil side view (J79-0007-09) D856 J79-0007-09 CN124 R863 R989 Ref. No. Address Ref. No. Address Ref. No. Address...
  • Page 135 TK-90 自适应控制选件 KPE-2 (ALE UNIT / 板 5. PC Board / PC ACCESSORY UNIT (X42-3290-20) Component side view (J79-0010-09) CN12 CN13 CN206 BENB CN17 CN14 CN15 CN16 CN10 Ref. No. Address CN24 CN104 CN101 CN23 CN21 CN100 CN214 IC10 CN11...
  • Page 136 TK-90 自适应控制选件 KPE-2 (ALE UNIT / ACCESSORY UNIT (X42-3290-20) Foil side view (J79-0010-09) Ref. No. Address CN22 CN215 IC11 CN217 IC12 IC14 IC15 IC15 CN216 CN524 CN523 C170 C169 CN172 CN171 C168 C167 CN170 CN169 CN168 CN167 C164 CN166 C163...
  • Page 137 FINAL UNIT(X45-3780-20) K102 L101 L102 S76-0423-05 L39-1500-05 L39-0459-05 E04-0154-05 K101 E37-0877-X5 3300p S76-0423-05 C103 220p C107 680p D101 D101 1SS355 SURGE T:13.29V 3300p C108 100p ABSORPTION C114 0.01u FINAL AMP L104 T:13.51V 1.605~2.5 LPF1 0.01u 2SC2879A(O,Y) 3300p T:13.46V T:4.80V L201 L202 K202 S76-0423-05...
  • Page 138 DISPLAY UNIT(X54-3560-20) S[50] S[49] B38-0914-05 S[48] 79 CoM10/S79 S[47] 80 CoM9/S80 COM[9] S[46] COM[8] CoM8 S[45] COM[7] CoM7 S[44] 83 CoM6 COM[6] S[43] COM[5] CoM5 S[42] COM[4] CoM4 S[41] COM[3] CoM3 S[40] LCD DRIVER COM[2] CoM2 S[39] COM[1] CoM1 S[38] 5.02V 0.01u LC75810T-8726...
  • Page 139 TX-RX UNIT(X57-7210-20) BPF(B) GND(B) MCF(B) GND(B) 14S(A) 13.56V 13.49V MCF WAVE-FORM ALIGNMENT RATB RATB RATB E41-1505-05 HN7G01FU-F(A) NORM 12.73V 7.94V Q102 R118 4.22V 13.48V RN47A5-F 13.46V Q104 REVERSE CURRENT HN7G01FU-F(A) 13.49V PREVENTION 0.16V 220p 12.71V HVC131 GND(B) IFIN(B) DTC114EE 6.8u 6.8u HVC131 13.35V...
  • Page 140 ACCESSORY UNIT (X42-3290-20) L100 IC13 DSP_XIN TC7WU04FU-F R102 R105 1 1A 2 3Y 3 2A 4 GND 3C_CPU 3C_CPU 3C_DSP 3C_DSP L77-3001-05 XC62FP1802PN VOUT DGND DGND 12.288MHz DGND DGND DGND 0.1u VSS1 DVDD1 1 P94 VSS14 2 P93 3 P92 XC62FP3302P 4 BAUD AUXIN...
  • Page 141 KCT-39 KCT-18 KCT-31 (OPTION) (OPTION) (OPTION) AUX1 RXD2 AUX2 DGND TXD2 AUX3 DPTT INT SP EXT.SP RAT (YELLOW) W7 E37-0881-*5 E37-1275-*5 DRV (WHITE) W6 E37-0877-*5 W5 E37-1229-*5 CN14 DATA E37-1224-*5 13.6V FINAL UNIT TX-RX UNIT DISPLAY UNIT X45-378 X57-721 X54-356 CN1(PH) 2 SP 1 SPG...
  • Page 142 FINAL UNIT TX-RX UNIT Q321 Q322 Q325,327 D321 2SC4617(R) 2SC3356-A(R24) 2SC4617(Q) AGC DET Replace NB IN (2125 size) AM DET D454 Q458 PRE.OFF Q323 Q324 HSM88AS-E 2SC4617(R) –20dB –20dB UMX2N 2SK1830F Q103 ~30MHz ~30MHz 30k~1.605MHz 2SC3356-A(R24) NOISE BLANKER Q457 Q453 D/A: IC363 2SC4617(R) 2SC4617(R)

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