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TK-2107

TK-260

:K, K2

DESCRIPTION OF COMPONENTS

Ref No.

Semiconductor

Description

IC1

PHASE LOCKED LOOP
SYSTEM

IC100

AUTOMATIC POWER CONTROL

IC200

IF SYSTEM

IC300

AUDIO AMP ACTIVE FILTER

IC301

ACTIVE FILTER

IC302

AUDIO POWER AMP

IC400

RESET SWITCH

IC401

EEPROM

IC402

VOLTAGE DETECT

IC403

MICRO PROCESSOR

IC404

VOLTAGE REGULATER

IC500

MIC AMP/LIMITER

TRANSISTOR

TRIPLER

TRANSISTOR

RF AMP

FET

VCO RX

FET

VCO TX

FET

DC SWITCH

TRANSISTOR

RF BUFFER AMP

TRANSISTOR

DC SWITCH

TRANSISTOR

RIPPLE FILTER

Q100

TRANSISTOR

RF AMP

Q101

TRANSISTOR

TX PRE-DRIVE

Q102

FET

TX DRIVE

Q103

FET

DC SWITCH

Q104

TRANSISTOR

DC SWITCH

Q105

FET

TX FINAL

Q106

FET

DC SWITCH

Q107

TRANSISTOR

TEMPERATURE
PROTECTION SWITCH

Q108-200 TRANSISTOR

DC SWITCH

Q201

TRANSISTOR

IF AMP

Q202

FET

MIXER

Q203

FET

MIXER RF AMP

Q300

TRANSISTOR

ACTIVE FILTER

Q302

FET

AUDIO MUTE SWITCH

Q304-306 TRANSISTOR

DC SWITCH

Q307

FET

AUDIO MUTE SWITCH

Q400-402 TRANSISTOR

DC SWITCH

Q403

TRANSISTOR

BEAT SHIFT SWITCH

Q404

TRANSISTOR

DC SWITCH

Q405

FET

DC SWITCH

Q406-408 TRANSISTOR

DC SWITCH

Q500

FET

DC SWITCH

Q501,502 TRANSISTOR

ACTIVE FILTER

Q503

TRANSISTOR

MIC MUTE/ AGC

Q504

TRANSISTOR

DC SWITCH

D1-4

VARIABLE CAPACITANCE
DIODE

FREQ. CONTROL

VARIABLE CAPACITANCE
DIODE

TX MODULATION

DIODE

CURRENT STEERING

DIODE

UNLOCK DETECT

D100

DIODE

RF SWITCH

D101-103 DIODE

ANTENNA SWITCH

D200

DIODE

RF SWITCH

D300

DIODE

LIMITER

D400

LED

D401

LED

BUSY

D500

DIODE

AGC DETECT

D501

DIODE

MIC MUTE/AGC SWITCH

D502

DIODE

REVERSE PROTECTION

TK-2107

Содержание TK-2107

Страница 1: ...ATA 9 DESCRIPTION OF COMPONENTS 10 PARTS LIST 11 EXPLODED VIEW 17 PACKING 18 ADJUSTMENT 19 PC BOARD VIEWS TX RX UNIT X57 6020 21 23 SCHEMATIC DIAGRAM 27 BLOCK DIAGRAM 31 LEVEL DIAGRAM 33 KNB 15A Ni Cd BATTERY 34 SPECIFICATIONS BACK COVER Antenna T90 0733 05 M3 Cabinet assy A02 2448 13 Knob VOLUME K29 5255 03 TK 2107 16 channels CONTENTS Knob CHANNEL SELECTOR K29 5278 03 ...

Страница 2: ...roper identification GENERAL REALIGNMENT 3 Getting acquainted PC Mode User Mode Manufacture Mode Speaker Antenna Speaker microphone jacks PTT Push To Talk switch Press this switch then speak into the microphone to call a station Release the switch to receive Monitor key Press and hold to monitor how busy the current channel is and to monitor signals being received that do not contain the matched Q...

Страница 3: ...quired to interface the TK 2107 with the computer It has a circuit in its D subconnector 25 pin case that converts the RS 232C Iogic level to the TTL Ievel The KPG 22 connects the side panel jacks of the TK 2107 to the computer s RS 232C serial port Programming software description The KPG 55D Programming Disk is supplied in 3 1 2 the disk format The Software on this disk allows a user to program ...

Страница 4: ...ating the chassis from the unit 1 Remove the eleven screws 2 Remove the solder from the antenna terminal using a soldering iron then lift the unit off 3 Remove the two screws and remove the antenna connector Note When reassembling the unit in the chassis be sure to solder the antenna terminal Removing the lever 1 Raise the lever on the lower case insert a small flat screwdriver into the space betw...

Страница 5: ...er L208 L209 and L210 After the signal is amplified Q203 the signal is filtered through a band pass filter L203 and L214 to eliminate unwanted signals before it is passed to the first mixer See Fig 2 2 First Mixer The signal from the RF amplifier is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circuit at the first mixer Q202 to create a 38 85MHz first inter...

Страница 6: ...y checking whether the input voltage is higher or lower than the preset value To output sounds from the speaker IC403 sends a high signal to the MUTE and AFCO Iines and turns IC302 on through Q302 Q304 Q305 Q306 and Q307 See Fig 3 6 Receive signaling QT DQT 300 Hz and higher audio frequencies of the output signal from IF IC are cut by a low pass filter IC301 The resulting signal enters the micropr...

Страница 7: ...2 8MHz REF OSC I M I N PLL IC IC1 PHASE COMPARATOR CHARGE PUMP LPF 5kHz 6 25kHz D1 2 D3 4 Q4 TX VCO Q3 RX VCO Q6 BUFF AMP Q2 RF AMP Q5 7 T R SW 5kHz 6 25kHz MUTE VR501 MAX DEV BALANCE X1 IC1 D5 Q4 VCO REFERENCE OSC TCXO MIC IC500 1 2 MIC AMP IC500 1 2 IDC Q503 SW PREEMPHASIS Q501 502 LPF SPLATTER FILTER IC403 TO QT DQT 2 VCO The operating frequency is generated by Q4 in transmit mode and Q3 in rec...

Страница 8: ... amplifier Field Effect Transistor FET The voltage comparator IC100 2 2 compares the voltage obtained from the above drain current with a reference voltage which is set using the microprocessor An APC voltage proportional to the difference between the sensed voltage and the reference voltage appears at the output of IC100 1 2 This output voltage controls the gate of the FET power amplifier which k...

Страница 9: ...ame Function 1 O VC1 Variable capacity tune control 2 O VC2 Variable capacity tune control 3 I NC NC 4 I TIBI QT DQT external circuit center point input 5 I TI QT DQT signal input 6 I BUSY Busy input 7 l BATT Battery voltage detection 8 l NC NC 9 O VCCN Frequency regulation output 10 O APC TX Auto power control D A output RX BPF tuning D A output 11 I NC NC 12 I NC NC 13 l NC NC 14 l NC NC 15 O BE...

Страница 10: ...FET TX FINAL Q106 FET DC SWITCH Q107 TRANSISTOR TEMPERATURE PROTECTION SWITCH Q108 200 TRANSISTOR DC SWITCH Q201 TRANSISTOR IF AMP Q202 FET MIXER Q203 FET MIXER RF AMP Q300 TRANSISTOR ACTIVE FILTER Q302 FET AUDIO MUTE SWITCH Q304 306 TRANSISTOR DC SWITCH Q307 FET AUDIO MUTE SWITCH Q400 402 TRANSISTOR DC SWITCH Q403 TRANSISTOR BEAT SHIFT SWITCH Q404 TRANSISTOR DC SWITCH Q405 FET DC SWITCH Q406 408 ...

Страница 11: ...04K CHIP C 0 10UF K C2 3 CC73GCH1H101J CHIP C 100PF J C4 CK73GB1C104K CHIP C 0 10UF K C5 C92 0507 05 CHIP TAN 4 7UF 6 3WV C6 CC73GCH1H101J CHIP C 100PF J C7 CK73GB1H102K CHIP C 1000PF K C8 CK73FB1C224K CHIP C 0 22UF K C9 CC73GCH1H100D CHIP C 10PF D C10 CC73GCH1H470J CHIP C 47PF J C12 CK73FB1C224K CHIP C 0 22UF K C14 CC73GCH1H100D CHIP C 10PF D C15 C92 0565 05 CHIP TAN 6 8UF 10WV C16 CC73GCH1H680J ...

Страница 12: ...258 CC73GCH1H180J CHIP C 18PF J C261 CC73GCH1H390J CHIP C 39PF J C300 CK73GB1H822K CHIP C 8200PF K C301 CK73GB1E183K CHIP C 0 018UF K C302 303 CK73GB1C104K CHIP C 0 10UF K C304 C92 0560 05 CHIP TAN 10UF 6 3WV C305 CK73GB1H103J CHIP C 0 010UF J C306 CK73GB1C473K CHIP C 0 047UF K C307 C92 0560 05 CHIP TAN 10UF 6 3WV C308 CK73GB1H562K CHIP C 5600PF K C309 CK73GB1H103J CHIP C 0 010UF J C311 C92 0560 0...

Страница 13: ...5 FERRITE CHIP L110 111 L34 4650 05 AIR CORE COIL L112 L40 1095 85 SMALL FIXED INDUCTOR 1 0U L113 L34 4550 05 AIR CORE COIL L114 L34 4548 05 AIR CORE COIL L115 L34 4549 05 AIR CORE COIL L117 L34 4548 05 AIR CORE COIL L118 L40 1092 81 SMALL FIXED INDUCTOR L200 L40 8285 85 SMALL FIXED INDUCTOR 0 82U L201 L40 1085 85 SMALL FIXED INDUCTOR 0 10U L202 L40 2285 38 SMALL FIXED INDUCTOR 220NH L203 L41 3378...

Страница 14: ...4 R92 1252 05 CHIP R 0 OHM R235 RK73GB1J104J CHIP R 100K J 1 16W R240 R92 1252 05 CHIP R 0 OHM R300 RK73GH1J913D CHIP R 91K D 1 16W R301 302 RK73GB1J562J CHIP R 5 6K J 1 16W R303 RK73GB1J332J CHIP R 3 3K J 1 16W R304 RK73GB1J105J CHIP R 1 0M J 1 16W R305 RK73GB1J183J CHIP R 18K J 1 16W R306 RK73GB1J124J CHIP R 120K J 1 16W R307 RK73GB1J473J CHIP R 47K J 1 16W R308 RK73GB1J103J CHIP R 10K J 1 16W R...

Страница 15: ... J 1 16W R534 RK73GB1J182J CHIP R 1 8K J 1 16W R535 RK73GB1J471J CHIP R 470 J 1 16W R536 RK73GB1J102J CHIP R 1 0K J 1 16W R537 538 RK73GB1J101J CHIP R 100 J 1 16W R539 R92 1252 05 CHIP R 0 OHM R540 R92 0670 05 CHIP R 0 OHM R541 RK73GB1J472J CHIP R 4 7K J 1 16W R542 R92 1252 05 CHIP R 0 OHM R548 RK73GB1J332J CHIP R 3 3K J 1 16W VR1 R12 7491 05 TRIMMING POT 68K VR500 R12 7491 05 TRIMMING POT 68K VR5...

Страница 16: ...ts Ref No Parts No Description Address New parts Destination Destination TX RX UNIT X57 6020 21 TX RX UNIT X57 588X XX Q501 502 2SC4617 S TRANSISTOR Q503 2SC4919 TRANSISTOR Q504 DTA143ZE DIGITAL TRANSISTOR TH100 157 503 65001 THERMISTOR TH500 157 302 65801 THERMISTOR ...

Страница 17: ...xploded numbers larger than 700 are not supplied 1 8 8 24 23 MIC 12 SP 18 11 19 34 F F 2 10 A 7 E 21 700 9 F 13 D 6 26 C 22 B 25 B A M2 6x4 N09 2319 05 B NUT N14 0581 04 C NUT N14 0582 14 D M2 6x6 N30 2606 46 E M2 0x3 5 N79 2035 46 F M2 0x5 N83 2005 46 ...

Страница 18: ...ON BAG H25 0085 04 14 PACKING FIXTURE H12 3037 02 21 BELT HOOK J29 0624 03 ANT HELICAL ANTENNA T90 0733 05 M3 16 PROTECTION BAG H25 2012 04 3 CAP B09 0351 03 20 SP MIC HOLDER J21 4493 04 17 ITEM CARTON CASE H52 1522 02 G SCREW SET N99 0396 05 ...

Страница 19: ... Input resistance 1M or more ADJUSTMENT 8 Oscilloscope 1 Measuring range DC to 30MHz 2 Provides highly accurate measurements for 5 to 25MHz 9 AF Voltmeter AF V M 1 Measurable frequency 50Hz to 1MHz 2 Maximum sensitivity 1mV or more 10 Spectrum Analyzer 1 Measuring range DC to 1GHz or more 11 Standard Signal Generator SSG 1 Maximum frequency 500MHz or more 2 Output 133dBm 0 05µV to 7dBm 501mV 3 Out...

Страница 20: ...am the adjustment frequencies which are in the list into the transciever Note Remember to reload the channel data you backed up after making the adjustments ADJUSTMENT Adjustment point TC201 Band pass filter waveform adjustment L212 AF level adjustment TC1 Transmit lock voltage adjustment TC2 Receive lock voltage adjustment TP2 Band pass filter test point Foil Side View ANT Antenna connector CH Ch...

Страница 21: ...software for adjustment of the next item in PC MODE see page 3 Squelch Level Transmit frequency DQT Balance RF Power QT Deviation DQT Deviation Battery Level ADJUSTMENT Parts TC1 TC2 Method 3 8V 3 8V Check Specifications Remarks 0 1V 0 1V more than 0 7V Terminal CV Test equipment Digital voltmeter Condition 1 Power supply voltage Battery teriminal 7 5V 1 CH TX high 2 CH RX high 3 CH TX low 4 CH RX...

Страница 22: ...22 TK 2107 TK 260 K K2 M3 BPF Wave ADJUSTMENT Fig 1 ...

Страница 23: ...407 C413 C516 C520 C518 C524 C521 C327 C333 C526 C517 C411 R131 R130 R132 MIC500 MIC IC403 1 25 75 51 26 50 100 76 X400 R414 R415 R421 R423 C418 1 5 10 6 SB C420 C422 C425 R502 C502 C503 Q106 Q104 B Q103 C115 R122 R126 C112 R119 C127 R416 VR1 BAL R431 R430 R6 R310 L502 Q108 Q304 Q306 Q403 Q501 Q502 Q503 L500 D500 J72 0686 02 D501 C504 VR501 D400 D401 C531 R540 R417 R327 S D G C409 C408 R521 R541 Q...

Страница 24: ... C102 C103 C100 R104 R103 R19 C147 C144 C140 C146 C142 C138 C137 C135 C136 D101 D102 R17 R100 C123 C120 C124 C110 Q102 G D S C106 C107 R110 C108 R112 R148 R147 C111 C119 C116 C122 C114 R114 R117 L112 R127 R128 L109 C125 Q101 B E C C133 L104 R120 C118 L105 C113 R115 R116 L101 R108 R109 R107 D100 R106 C105 L103 C104 R121 D200 C126 C128 C129 C131 C121 TC1 TC2 C109 C8 R28 R16 C24 C29 L14 L102 L107 Q3 ...

Страница 25: ...SCHEMATIC DIAGRAM TK 2107 Note Component marked with a dot are parts of pattern1 A B C D E F G I H J K L M O N P Q S R 1 2 3 4 5 6 7 ...

Страница 26: ...32 31 BLOCK DIAGRAM TK 2107 TK 2107 ...

Страница 27: ...SG output level for obtaining 12dB SINAD when injected to each point through a 470pF coupling capacitor Measure the 1st Local level on a RF VTVM LEVEL DIAGRAM Modulate the AF level with a frequency of 1kHz and deviation of 1 5kHz Narrow 3kHz Wide Then take the signal from the signal generator output when set to 53dBm and obtain the level shown on an AF VTVM when the AF output has been adjusted to ...

Страница 28: ...NS Voltage 7 2V 1 2V x 6 Charging current 1100mAh Dimensions 60 8W x 110 8H x 20 3D mm projections included Charger and charging time KSC 15 normal charger approximately 8 hours Weight 210g Discharge pin side Breaker 80 5 C Charge pin side Thermistor Diode Breaker 70 5 C ...

Страница 29: ...35 TK 2107 TK 260 K K2 MEMO ...

Страница 30: ...brücker Str 15 63150 Heusenstamm Germany KENWOOD ELECTRONICS BELGIUM N V Mechelsesteenweg 418 B 1930 Zaventem Belgium KENWOOD ELECTRONICS FRANCE S A 13 Boulevard Ney 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...

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