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800MHz/900MHz FM TRANSCEIVER

TK-980/981

SERVICE MANUAL

GENERAL ................................................................. 2

OPERATING FEATURES ......................................... 3

REALIGNMENT ...................................................... 13

INSTALLATION ...................................................... 16

CIRCUIT DESCRIPTION ......................................... 25

SEMICONDUCTOR DATA ..................................... 29

DESCRIPTION OF COMPONENTS ....................... 30

PARTS LIST ............................................................ 32

EXPLODED VIEW .................................................. 41

PACKING ................................................................ 42

ADJUSTMENT ....................................................... 43

PC BOARD VIEWS

PLL/VCO (X58-4530-XX) .................................. 50

TX-RX UNIT (X57-6520-XX) (A/2) ................... 51

TX-RX UNIT (X57-6520-XX) (B/2) .................... 57

SCHEMATIC DIAGRAM ........................................ 61

BLOCK DIAGRAM .................................................. 69

LEVEL DIAGRAM................................................... 72

TERMINAL FUNCTION ......................................... 74

SPECIFICATIONS................................................... 75

CONTENTS

Microphone
(T91-0621-05)

Cabinet (Upper)
(A01-2165-23)

Panel assy
(A62-0991-03)

Key top
(K29-5284-02)

SUPPLEMENT

This service manual applied to products with 30600001 or subsequent serial numbers.
In terms of the products with the serial numbers earlier than 30600001, refer to the TK-980/981 service manual as per
part No. B51-8478-10.

Содержание TK-980

Страница 1: ...PLL VCO X58 4530 XX 50 TX RX UNIT X57 6520 XX A 2 51 TX RX UNIT X57 6520 XX B 2 57 SCHEMATIC DIAGRAM 61 BLOCK DIAGRAM 69 LEVEL DIAGRAM 72 TERMINAL FUNCTION 74 SPECIFICATIONS 75 CONTENTS Microphone T91 0621 05 Cabinet Upper A01 2165 23 Panel assy A62 0991 03 Key top K29 5284 02 SUPPLEMENT This service manual applied to products with 30600001 or subsequent serial numbers In terms of the products wit...

Страница 2: ...n Each radio is adjusted and tested before shipment How ever it is recommended that receiver and transmitter op eration be checked for proper operation before installation 3 2 Testing The radio should be tested complete with all cabling and accessories as they will be connected in the final installa tion Transmitter frequency deviation and power output should be checked as should receiver sensitiv...

Страница 3: ...d mode and conventional mode Systems groups and their functions are programmed 2 Transceiver Controls and Indicators Fig 1 2 1 Front Panel Controls All the keys on the front panel are momentary type push buttons The functions of these keys are explained below POWER key Transceiver POWER key When the power is switched off all the parameters such as the system and group are stored in memory When the...

Страница 4: ...ey selects a preset system group OPERATING FEATURES Horn Alert If you are called from the base station using DTMF while you are away from your transceiver you will be alerted by the vehicle horn or some other type of external alert To turn the horn alert function on press this key A confirmation tone sounds and the display shows HA on the sub LCD If this key is pressed again the horn alert functio...

Страница 5: ...e system and group numbers Also displays various functions such as TA P Priority indicator The P indicator appears when a selected group is pro grammed as priority in conventional operation MON Monitor indicator The MON indicator appears when the button pro grammed as MONITOR is pressed SVC Service indictor This icon is not used this transceiver SCN Scan indicator The SCN indicator appears when us...

Страница 6: ...op out Delay Time Scan Resume Time If a call is received during scan the scan stops The scan resume time can be programmed as 0 to 300 seconds in one second increments The default value is 3 seconds OPERATING FEATURES Dwell Time The dwell time is the time after transmission ends until the scan resumes in scan mode It can be set 0 to 300 sec onds by programming The default value is 3 seconds System...

Страница 7: ...nsceiver The timing that the transceiver sends ID is program mable BOT DTMF ID BOT MSK ID is sent on beginning of transmission EOT DTMF ID EOT MSK ID is sent on end of transmis sion Both DTMF ID BOT MSK ID is sent on beginning of transmission and DTMF ID EOT MSK ID is sent on end of transmission Radio Password When the password is set in the transceiver user can not use the transceiver unless ente...

Страница 8: ... searched system becomes the new se lected system If during scanning the scan stops Transpond This feature can be programmed to turn on and off for each group If the ID of the group for which transpond is enabled is received two data messages transmit ID and turn off code are automatically transmitted if the PTT but ton is not pressed as a response within the time set 0 to 300 seconds in 1 second ...

Страница 9: ...nsmitting you can mute or unmute ID QT DQT Carrier AND OR You can select AND or OR for option signalling match conditions Alert Transpond AND QT DQT ID DTMF Option matches Action OR QT DQT ID DTMF Option matches Action AF mute open AND QT DQT ID DTMF Option matches Action OR QT DQT ID Signalling only matches Action OPERATING FEATURES With OR set up alert transpond will not function with only DTMF ...

Страница 10: ...down emergency status For portable 99 Emergency Status Note Remote stun works with DTMF D B D function also Automatic Status Response If you pre select a status number and leave the radio in the Status Mode it can automatically respond with the se lected status number upon request from the base station The request function is initiated by serial control on the base station Optional Short Messase O...

Страница 11: ... ac cording to your PC application 2 MAP HEADER KW1 PKLDS This is a Kenwood original sentence which consists of GPGLL Fleet ID Status This item should be set according to your PC application 3 MAP HEADER KW2 PKLID This is a Kenwood original sentence which consists of Fleet ID This should be set according to your PC application Parameters GTC Count Number of Go To data Channel messages to be sent b...

Страница 12: ...for the optional feature s warning tone Group Call Tone Sounds when a group call with the correct DTMF option signalling is received repeats 7 times You can select yes or no for the optional feature s warning tone Individual Call Tone Sounds when an individual call with the correct DTMF option signalling is received You can select yes or no for the optional feature s warning tone Key Press Tone A ...

Страница 13: ...ptional feature s warning tone System Search End Tone Sounds when a possible connection to a repeater in sys tem search is not mode You can select yes or no for the optional feature s warning tone OPERATING FEATURES REALIGNMENT REALIGNMENT 1 Modes User mode Panel test mode PC mode Firmware program ming mode Panel tuning mode Data program ming mode PC test mode PC tuning mode Clone mode Mode Functi...

Страница 14: ...lash memory in RS 232C format via the modular microphone jack KPG 49D instruction manual parts No B62 1096 XX 6 Firmware Programming Mode 6 1 Preface Flash memory is mounted on the transceiver This al lows the transceiver to be upgraded when new features are released in the future For details on how to obtain the firmware contact Customer Service 6 2 Connection Procedure Connect the transceiver to...

Страница 15: ... the microphone keypad If you press a key while CLONE LOCK is displayed the number that was pressed is displayed on the radio Each press of the key shifts the display in order to the left When you enter the password and press the SCN key CLONE MODE is displayed if the entered password is correct If the password is incorrect CLONE LOCK is redisplayed How to enter the password with the System up dow...

Страница 16: ...crophone ground 1 AM Speaker audio mute input 3 D 3 IGN Ignition sense input 4 D 1 DEO Receiver detector output 5 D 6 MI External microphone input 1 TXS Transmitter sense output 6 B 2 E Ground 7 B 3 SB Switched B DC 13 6V output Maximum 1A 8 D 7 PTT External PTT input active low During DTC is low it works as DATA PTT 9 D 4 DI Data modulation input 10 B 1 HOR Horn alert call output 11 D 8 SQ Squelc...

Страница 17: ...R13 R51 R64 R18 R12 R167 R24 R94 R168 TX RX unit A 2 Foil side view 2 Accessory Terminal TX RX Unit 2 1 External Connector Accessory Terminal Method Connector Pin Pin I O Function No No name CN1 1 DEO O Detect signal output Output level DO 250mVrms standard modulation 2 AHK I external hook signal input AH COM2 port must be select AUX HOOK PTT DATA PTT function in the KPG 49D On hook L Off hook H B...

Страница 18: ...n board are provided at the TX RX unit A 2 and TX RX unit B 2 The table below shows the correspondence between the board and termi nals Disconnect R529 and R571 in control unit when the scrambler board is attached The table below shown the differences between the schematic terminals and the PC board terminals Schematic diagram PC board view Name I O Function Name Unit SB Switched B DC 13 6V SB TX ...

Страница 19: ...D2 DEO OP SQ RD1 TD2 C1 C2 FW TD1 SB RSSI TX RX unit A 2 Foil side view ST TX RX unit A 2 Component side view PTT MPTT RXAO RXAI TXAO TXAI R571 R529 TX RX unit B 2 Foil side view 4 2 Modifying the Transceiver Modify the transceiver as follows to turn the power or the Horn Alert or Manual Relay function on and off with the ignition key 1 Remove the lower half of the transceiver case 2 Set jumper re...

Страница 20: ...N1 B Fig 5 Fig 6 6 Interface Cable KCT 31 Option The KCT 31 is a RS 232C interface cable for LMR mobile radios TK 980 981 The 9 pin D sub connector is connected to an external RS 232C terminal The other end of the cable is connected to the internal connector of LMR mobile radio Note You cannot write a firmware with the KCT 31 6 1 Features This KCT 31 has a RS 232C TTL level interface circuit This ...

Страница 21: ...e COM2 is used When the COM1 is used 6 3 Installing the KCT 31 in the transceiver Note When the COM1 is used A connector is unused When the COM2 is used C connector is unused 1 Bind the unused connecor to the cable with a retaining band as shown When the COM1 is used When the COM2 is used Red Black Yellow Green A B C Fig 7 Fig 8 Fig 9 Note The modification must be applied to the TK 980 981 transce...

Страница 22: ... on the top of the KAP 1 switch unit 2 1 1 3 4 W1 W2 CN1 CN2 CN3 KCT 19 Cushion G13 1710 04 CN3 CN5 Fig 10 R1 Output form HR1 Default Yes HR2 No HR1 HR1 HR2 Public address The signal from pin 13 of IC7 on the TX RX unit A 2 drives PA relay in the KAP 1 and switches the audio power amplifier output between the external PA system through KCT 19 and internal and external speakers To use the PA functi...

Страница 23: ...r amp IC10 CN6 1 2 SP E Internal External speaker TX RX UNIT A 2 B BRN ORG YEL C C GRN GRN KCT 19 13 10 1 3 6 12 15 KCT 19 Terminal 6 Earth 10 HR1 12 PA HR2 Fig 13 INSTALLATION 6 2 Fold the flat cable 1 in the opposite direction 2 3 Rotate the control section 3 180 degrees 4 4 Insert the flat cable into the control section connector CN502 5 5 Mount the control section on the transceiver 6 CN502 1 ...

Страница 24: ...le Connection procedure 1 Install the KCT 19 in the transceiver See the KCT 19 section 2 Insert the crimp terminal into the square plug supplied with the KCT 19 3 Connect CN5 of the transceiver to connector C of the KCT 19 instead of to the internal speaker connector KES 3 KES 4 1 3 6 13 15 12 Crimp terminal E23 0613 05 Black lead Black White lead Fig 17 Fig 18 6 Rotate the control panel 180 degre...

Страница 25: ...the TX RX unit A 2 The signal AFO sent to the TX RX unit A 2 is input to the D A converter IC5 The AFO out put level is adjusted by the D A converter The signal output from the D A converter is added with the BEEP signal BPO and the resulting signal is input to the audio power amplifier IC10 The AF signal from IC10 switches between the inter nal speaker and speaker jack J1 output Fig 2 Receiver sy...

Страница 26: ... an external active LPF Q301 Q302 in the PLL IC to generate a DC VCO control voltage CV Serial data DT CK EP are output from the CPU IC511 and shift register IC8 in the TX RX unit B 2 to control the PLL IC The PLL lock status is always moni tored by the CPU Unlock Circuit During reception the TR line goes high the KEY line goes low and Q10 turns on Q11 turns on and a voltage is applied to the coll...

Страница 27: ...ns on then Q515 and Q513 turns on and the key illumination LED lights A voltage is applied to the LEDA line to turn on the LCD backlight Control Circuit The CPU carries out the following tasks 1 Controls the shift register IC7 IC8 IC508 AF MUTE T R KEY outputs 2 Adjusts the AF signal level of the audio processor IC504 and turns the filter select compounder on or off 3 Controls the DTMF decoder IC5...

Страница 28: ...Fig 13 Decode Fig 16 Power supply circuit Decode The signal DEO detected by the TX RX unit A 2 passes through two low pass filters of IC501 goes to LSDI of the CPU IC511 to decode QT DQT and LTR The DTMF signal is decoded by a dedicated IC IC507 and the resulting signal is sent to the CPU IC511 as serial data STD Fig 14 Horn control Fig 15 PA switch Power Supply Circuit When the POWER switch on th...

Страница 29: ...nterface input 31 LD I PLL unlock detect input 32 AFMSKE O MSK modulation enable Enable active H 33 TXD O Serial interface output 34 HOOK I Hook input Serial interface input 35 AFDAT O MSK data output SEMICONDUCTOR DATA Pin No Name I O Function 36 RFCLK O Common clock output TX RX unit A 2 37 RDY Not used 38 ALE Not used 39 HOLD Not used 40 HLDA Not used 41 BLCK Not used 42 RD Flash memory RD bus ...

Страница 30: ...14 Q5 T R TX RX switching H RX L TX 15 OE Output enable 16 VDC 5V Terminal function TX RX unit A 2 IC8 Pin No Port Name Function 1 STB ES Strobe 2 SI DT Data 3 CLK CK Clock 4 Q1 AM1 Audio mute 1 H Mute L Unmute 5 Q2 LOK Link complete Programmable active H L 6 Q3 POR Buffer amplifier and mixer switch H Normal L Power sw on an instant 7 Q4 DM Dead mute H RX L TX 8 VSS GND 9 QS IC7 data output 10 NC ...

Страница 31: ...se current prevention D28 Voltage reference D31 Reverse current prevention D32 Surge absorption D34 Voltage reference D35 Limiter D37 Reverse protection Ref No Use Function Operation Condition D200 Limiter Excessive input protection D208 210 RF switch TX RX TX RX Unit X57 6520 XX B 2 10 TK 980 11 TK 981 Ref No Use Function Operation Condition IC501 503 Amplifier IC504 Audio processor IC506 Analog ...

Страница 32: ...on 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 the...

Страница 33: ...2 517 B30 2171 05 LED D C1 15 CC73GCH1H101J CHIP C 100PF J C16 C92 0628 05 CHIP TAN 10UF 10WV C18 C92 0507 05 CHIP TAN 4 7UF 6 3WV C19 CC73GCH1H100D CHIP C 10PF D C20 22 CC73GCH1H101J CHIP C 100PF J TX RX UNIT X57 6520 XX 10 TK 980 11 TK 981 C23 C92 0507 05 CHIP TAN 4 7UF 6 3WV C24 CC73GCH1H101J CHIP C 100PF J C25 C92 0507 05 CHIP TAN 4 7UF 6 3WV C27 CK73GB1H102K CHIP C 1000PF K C28 CC73GCH1H220J ...

Страница 34: ...P C 1000PF K C170 CC73GCH1H050C CHIP C 5 0PF C C171 CC73GCH1H101J CHIP C 100PF J C172 CK73GB1C104K CHIP C 0 10UF K C173 CK73GB1E103K CHIP C 0 010UF K C174 C92 0585 05 CHIP TAN 4 7UF 16WV C175 CC73GCH1H101J CHIP C 100PF J C176 CC73GCH1H470J CHIP C 47PF J TK 980 C176 CC73GCH1H101J CHIP C 100PF J TK 981 C177 C92 0519 05 CHIP TAN 1 0UF 25WV C178 CC73GCH1H470J CHIP C 47PF J TK 980 C179 CC73GCH1H101J CH...

Страница 35: ...0 010UF K C524 CK73GB1C104K CHIP C 0 10UF K C525 CK73GB1H103K CHIP C 0 010UF K C526 CK73GB1C104K CHIP C 0 10UF K C527 CK73GB1C333K CHIP C 0 033UF K C528 CK73GB1H102K CHIP C 1000PF K C529 CK73GB1H562K CHIP C 5600PF K C531 CK73GB1H562K CHIP C 5600PF K C533 CK73GB1H562K CHIP C 5600PF K C535 CK73GB1H102K CHIP C 1000PF K C536 CC73GCH1H030C CHIP C 3 0PF C C537 CK73GB1H272K CHIP C 2700PF K C539 CK73GB1H2...

Страница 36: ...5 AIR CORE COIL L221 L34 1317 05 AIR CORE COIL L222 223 L34 1307 05 AIR CORE COIL TK 980 L222 223 L34 1313 05 AIR CORE COIL TK 981 L224 L34 1306 15 AIR CORE COIL L225 L92 0179 05 FERRITE CHIP L226 L40 1078 94 SMALL FIXED INDUCTOR 10NH L229 L34 1308 15 AIR CORE COIL L300 L40 1563 92 SMALL FIXED INDUCTOR 1 5NH L301 L40 3963 92 SMALL FIXED INDUCTOR 3 9NH TK 981 L301 L40 4763 92 SMALL FIXED INDUCTOR 4...

Страница 37: ... R 22K J 1 16W R127 R92 2680 05 RESISTOR R128 RK73GB1J223J CHIP R 22K J 1 16W R129 RK73GB1J100J CHIP R 10 J 1 16W R132 RK73GB1J104J CHIP R 100K J 1 16W R134 RK73GB1J473J CHIP R 47K J 1 16W R135 R92 1261 05 CHIP R 150 J 1 2W R137 RK73GB1J473J CHIP R 47K J 1 16W R139 RK73GB1J102J CHIP R 1 0K J 1 16W R140 R92 1252 05 CHIP R 0 OHM J 1 16W R141 RK73GB1J104J CHIP R 100K J 1 16W R143 RK73GB1J102J CHIP R ...

Страница 38: ...GB1J182J CHIP R 1 8K J 1 16W R546 RK73GB1J224J CHIP R 220K J 1 16W R547 RK73GB1J103J CHIP R 10K J 1 16W R548 RK73GB1J183J CHIP R 18K J 1 16W R550 RN73GH1J682D CHIP R 6 8K D 1 16W R551 RK73GB1J223J CHIP R 22K J 1 16W R552 RK73GB1J334J CHIP R 330K J 1 16W R553 RK73GB1J102J CHIP R 1 0K J 1 16W R554 RK73GB1J332J CHIP R 3 3K J 1 16W R555 RK73GB1J394J CHIP R 390K J 1 16W R556 RK73GB1J223J CHIP R 22K J 1...

Страница 39: ... TRANSISTOR Q5 6 DTC114EE DIGITAL TRANSISTOR Q7 2SC4226 R24 TRANSISTOR Q8 DTC363EU DIGITAL TRANSISTOR Q9 DTA114YUA DIGITAL TRANSISTOR Q10 DTC114EE DIGITAL TRANSISTOR Q11 2SA1362 Y TRANSISTOR Q12 2SB1132 Q R TRANSISTOR Q13 DTC114EE DIGITAL TRANSISTOR Q15 2SC2059K P TRANSISTOR Q17 2SC4116 GR TRANSISTOR Q18 2SK1824 FET Q19 2SB1370 E F TRANSISTOR Q20 DTA144EUA DIGITAL TRANSISTOR Q21 DTC144EUA DIGITAL ...

Страница 40: ...ORE COIL L104 L40 1098 76 SMALL FIXED INDUCTOR 1UH L105 L40 1571 35 SMALL FIXED INDUCTOR 15NH TK 981 L105 L40 3971 35 SMALL FIXED INDUCTOR 39NH TK 980 L106 L40 1571 35 SMALL FIXED INDUCTOR 15NH TK 981 L106 L40 2771 35 SMALL FIXED INDUCTOR 27NH TK 980 L107 L40 1595 34 SMALL FIXED INDUCTOR 1 5UH R100 101 R92 1252 05 CHIP R 0 OHM J 1 16W R102 RK73GB1J102J CHIP R 1 0K J 1 16W R103 R92 1252 05 CHIP R 0...

Страница 41: ...plied 1 2 A B C 41 25 21 23 1 11 20x2 15 24 13 8 701 21 702 703 703 22x2 J501 17 6 37 3 23 2 23 704 14 26 J1 10 IC400 Cx2 B B Cx2 Dx11 C C A A Ax2 TX RX unit A 2 TX RX unit B 2 A M2 6 x 6 OC BLK N33 2606 45 B M3 x 8 N67 3008 46 C M2 6 x 6 Br Tap N87 2606 46 D M2 6 x 12 Br Tap N87 2612 46 ...

Страница 42: ...9 05 5 Cap B09 0235 05 18 Fuse F51 0016 05 x 2 35 Bracket J29 0627 23 30 Inner packing case H12 1391 03 34 Holder J19 1584 05 39 Screw set N99 0395 05 705 Warranty card 7 Instruction manual B62 1549 00 31 Protection bag H25 0720 04 29 Polystyrene foamed fixture H10 6619 12 32 Item carton case H52 1431 02 TK 980 H52 1432 02 TK 981 28 Polystyrene foamed fixture H10 6618 12 ...

Страница 43: ...uencies you want in actual operation Frequency MHz Channel TK 980 TK 981 No RX TX TA TX RX TX TA TX 1 851 05000 806 05000 935 0250 896 0250 2 851 55000 806 55000 935 0500 896 0500 3 860 00000 815 00000 938 0000 899 0000 4 860 50000 815 50000 938 0250 899 0250 5 865 98750 820 98750 939 9875 900 9875 6 869 40000 824 40000 940 4000 901 4000 7 869 90000 824 90000 940 9000 901 9000 8 855 40000 810 4000...

Страница 44: ... C C C BAL 256 DQT balance C C H BAL 256 DQT balance H FQT 256 Fine QT L FQT 256 Fine QT L A A A A C C C C FQT 256 Fine QT C C H FQT 256 Fine QT H FDQT 256 Fine DQT L FDQT 256 Fine DQT L A A A A C C C C FDQT 256 Fine DQT C C H FDQT 256 Fine DQT H FLTR 256 Fine LTR L FLTR 256 Fine LTR L A A A A C C C C FLTR 256 Fine LTR C C H FLTR 256 Fine LTR H C DTMF 256 DTMF deviation C FMSK 256 MSK deviation C ...

Страница 45: ...y Range 10Hz to 1000MHz Frequency Counter Frequency Stability 0 2ppm or less 7 Ammeter 10A 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 1 5 to 30V DC or less Input Impedance 50kΩ V or great...

Страница 46: ...e data again EEPROM The tuning data Deviation Squelch etc for the EEPROM is stored in memory When parts are changed readjust the transceiver Measurement Test equipment Unit Terminal Adjustment Unit Parts Method Specifications Remarks Condition Item 1 PLL lock 1 Set test mode DVM TX RX TP1 PLL TC100 1 5V 0 1V voltage CH TA CH7 Sig1 Power meter A 2 PTT ON Transmit F conter 2 CH CH1 Sig1 Check 6 6V o...

Страница 47: ...SSG output Value when 2dB is subtracted from the sensitivity value of 12dB SINAD SSG MOD 3kHz TK 980 1 5kHz TK 981 4 Squelch 1 Set test mode Check Squelch must be opened check CH CH4 Sig1 SSG output 12dB SINAD level 2 SSG output OFF Squelch must be closed 5 QT check 1 Set test mode CH CH4 Sig5 SSG MOD INT 1kHz EXT 151 4Hz SSG system MOD DEV 3 75kHz TK 980 1 85kHz TK 981 SSG output 10dB SINAD level...

Страница 48: ...r ANT Make the de balanced MIC input OFF Deviation panel modulation Select BAL in tuning mode meter waveform neat L BAL Oscilloscope Deviation meter filter LPF 3kHz HPF OFF AF VTVM Front MIC De emphasis OFF AG panel 2 C BAL PTT ON 3 H BAL PTT ON 7 Maximum 1 Set test mode 3 8kHz TK 980 50Hz deviation Connect AG to the MIC terminal 1 75kHz TK 981 Select MAX in tuning mode According to the L MAX larg...

Страница 49: ...Hz deviation Select F DQT in tuning mode 0 35kHz TK 981 L FDQT Deviation meter filter LPF 3kHz HPF OFF PTT ON 2 C FDQT PTT ON 3 H FDQT PTT ON 12 Fine LTR 1 Set test mode 1 0kHz TK 980 50Hz Select FLTR in tuning mode 0 75kHz TK 981 L FLTR deviation meter filter LPF 3kHz HPF OFF PTT ON 2 C FLTR PTT ON 3 H FLTR PTT ON 13 DTMF 1 Set test mode 3 0kHz TK 980 0 2kHz deviation Select DTMF in tuning mode 1...

Страница 50: ...0 C101 R102 R107 R106 C113 C107 L107 C118 R105 R110 L100 R104 C106 C103 D100 D101 L104 Q100 Q101 G S D L102 R103 R109 R108 R111 R112 C108 C109 C111 C114 C115 C117 L105 L106 Q102 R113 R101 R114 L103 CN100 E OUT E NC 8CL MD CV J72 0608 02 C110 C116 L101 C100 D102 C112 C105 C102 R100 C104 TC100 C101 R102 R107 R106 C113 C107 L107 C118 R105 R110 L100 R104 C106 C103 D100 D101 L104 Q100 Q101 G S D L102 R...

Страница 51: ...00 R97 R316 R318 R319 C322 CN5 R7 R8 R110 R48 R47 C98 C45 D11 R6 R74 R80 R60 R53 C320 R307 R99 R91 XF1 C317 Q13 J1 EXT SP C43 C54 L224 C273 5 4 3 2 1 L220 L223 L222 R135 C125 C129 C128 C124 L203 L207 TP1 L229 L221 E C B Q19 C131 Q20 Q21 R88 R89 C41 1 4 5 8 L303 L301 C169 L11 R321 R255 IC400 R256 Q205 C171 TP3 ST Q8 1 1 3 3 E E E C3 C4 5C RD2 DEO OP SQ RD1 TD2 C1 SQ2 C2 CN1 CN4 FW TD1 E OUT E NC 8C...

Страница 52: ...62 C16 R16 L1 R46 C236 C234 R226 R235 C247 R237 R323 R257 C263 C264 C286 L225 C260 C258 C261 C256 C284 C285 L305 L218 C251 C253 R250 L226 R258 C174 Q18 G S D C103 C114 C113 R124 C104 C108 C155 C156 R251 C157 R158 C166 R71 R72 R73 R65 R63 R25 C20 C23 C21 R15 R32 RSSI R157 C167 C61 C46 R37 R30 R44 C18 C88 C112 C83 R95 R104 R112 Q11 C137 C144 Q17 R93 R247 C151 C438 C109 C85 C97 C121 C150 C126 R146 R1...

Страница 53: ...7 1 33 E FSW OE RXD TXD DTC CP APTT EN EP ES LD RSSI DT CK KEY 8C SB SB IGN AHK MI ME AFO MM DEO PSW NC BEEP TO MO T R W N L8 C161 R310 C321 C308 C310 L304 L300 C327 C326 R312 C325 Q302 Q301 R311 R111 C102 L5 C96 Q32 S G D R129 C319 R314 R313 C318 C314 R305 R322 R306 C306 R302 R303 R301 R320 R41 R45 R42 C51 C259 C262 C257 C90 R98 Q10 C115 R113 R120 R122 R127 R55 R52 R171 C48 C71 C65 R70 C1 R1 R3 R...

Страница 54: ...DK NC E PSW OE RXD TXD DTC CP APTT EN EP ES LD RSSI DT CK KEY 8C SB SB IGN AHK MI ME AFO MM DEO PSW 8R BEEP TO MO T R W N J72 0816 09 B 2 C600 C520 R532 C505 C509 R504 R503 R527 R528 C523 C553 R569 R541 C519 R568 R553 C555 C542 R554 D509 C559 R573 C564 Q5 03 L503 R530 C522 C561 R587 C584 1 16 IC510 17 32 G O I IC508 J501 R682 C592 C583 IC501 1 1 1 8 9 16 4 5 8 1 4 4 5 5 8 8 C513 C535 IC503 R507 C5...

Страница 55: ...53 C555 C542 R554 D509 C559 R573 C564 Q50 3 L503 R530 C522 C561 R587 C584 1 16 IC510 17 32 G O I IC508 J501 R682 C592 C583 IC501 1 1 1 8 9 16 4 5 8 1 4 4 5 5 8 8 C513 C535 IC503 R507 C518 IC502 D514 D517 C593 C511 R508 C527 C575 R545 R551 D512 D515 D513 D516 R612 D520 R572 C524 R525 R526 C506 R502 C574 D510 R548 C540 C547 R552 R523 R531 Q511 C510 C714 R726 L507 D511 PSW VOL UP VOL DN MON A B C D S...

Страница 56: ...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 SCHEMATIC DIAGRAM TK 980 981 Note Components marked with a dot are parts of pattern 1 64 ...

Страница 57: ...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 65 Note Components marked with a dot are parts of pattern 1 TK 980 981 SCHEMATIC DIAGRAM ...

Страница 58: ...TK 980 981 TK 980 981 TK 980 981 70 69 BLOCK DIAGRAM 71 ...

Страница 59: ...TK 980 981 TK 980 981 73 72 LEVEL DIAGRAM Receiver Section Transmitter Section ...

Страница 60: ...ister enable input 24 EP PLL enable signal input 25 EN DA converter enable signal input 26 APTT PTT signal output 27 CP PLL clock 28 DTC Data control signal output 29 TXD Serial data 30 RXD Serial data 31 OE Serial data 32 FSW Foot switch output 33 E Ground CN101 VCO TX RX Unit A 2 Pin No Name Function 1 E Ground 2 HT Signal output 3 E Ground 4 NC Unused terminal 5 8CL 8V input 6 MD Modulation out...

Страница 61: ...ts made per EIA standard EIA TIA 603 RF Input Impedance 50Ω Sensitivity EIA 12dB SINAD 0 25µV Selectivity TK 980 75dB TK 981 68dB Intermodulation TK 980 70dB TK 981 65dB Spurious and Image Rejection 80dB Audio Power Output 4W at 4Ω less than 5 distortion Frequency Stability 1 5ppm from 30 C to 60 C Channel Frequency Spread TK 980 19MHz TK 981 6MHz TRANSMITTER Measurements made per EIA standard EIA...

Страница 62: ...s 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 Centrecourt Est...

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Kenwood TK-980, Руководство по обслуживанию

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