Kenwood TK-3107 Service Manual Download

Page: 1 / 28

TK-3107

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

REALIGNMENT ......................................................... 2

DISASSEMBLY FOR REPAIR ................................... 4

CIRCUIT DESCRIPTION ........................................... 5

SEMICONDUCTOR DATA ......................................... 8

DESCRIPTION OF COMPONENTS .......................... 9

PARTS LIST ............................................................. 10

EXPLODED VIEW ................................................... 17

PACKING ................................................................. 18

ADJUSTMENT ......................................................... 19

PC BOARD VIEWS

TX-RX UNIT (X57-6030-11) ................................ 23

SCHEMATIC DIAGRAM .......................................... 29

BLOCK DIAGRAM .................................................. 33

LEVEL DIAGRAM ................................................... 35

KNB-15A (Ni-Cd BATTERY) ................................... 36

SPECIFICATIONS ................................ BACK COVER

Antenna
(T90-0694-15)

Cabinet assy
(A02-2448-13)

Knob(VOLUME)
(K29-5255-03)

TK-3107 (16 channels)

CONTENTS

Knob
(CHANNEL SELECTOR)
(K29-5278-03)

UHF FM TRANSCEIVER

SERVICE MANUAL

M2 version

Summary of Contents for TK-3107

Page 1: ...TS LIST 10 EXPLODED VIEW 17 PACKING 18 ADJUSTMENT 19 PC BOARD VIEWS TX RX UNIT X57 6030 11 23 SCHEMATIC DIAGRAM 29 BLOCK DIAGRAM 33 LEVEL DIAGRAM 35 KNB 15A Ni Cd BATTERY 36 SPECIFICATIONS BACK COVER Antenna T90 0694 15 Cabinet assy A02 2448 13 Knob VOLUME K29 5255 03 TK 3107 16 channels CONTENTS Knob CHANNEL SELECTOR K29 5278 03 UHF FM TRANSCEIVER SERVICE MANUAL M2 version ...

Page 2: ... should be serviced by a qualified technician only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within GENERAL REALIGNMENT 3 Getting acquainted PC Mode User Mode Manufacture Mode Destnation Number of CH RF power output M2 16 4W Speaker Antenna Speaker microphone jacks Microphone PTT Push To Talk swi...

Page 3: ...ription The KPG 55D Programming Disk is supplied in 3 1 2 the disk format The Software on this disk allows a user to program the TK 3107 radios via a Programming interface cable KPG 22 Programming with IBM PC If data is transferred to the transceiver from an IBM PC with the KPG 55D the destination data basic radio information for each set can be modified Normally it is not necessary to modify the ...

Page 4: ...ly from the chassis 1 Remove the two knobs and three round nuts 2 Remove the two screws 3 Expand the right and left sides of the bottom of the case assembly Iift the chassis and remove it from the case assembly 4 Taking care not to cut the speaker lead open the chassis and case assembly Lever knob Cace assembly Antenna terminal Removing the lever 1 Raise the lever on the lower case insert a small ...

Page 5: ... center frequency 450kHz 6dB band width 6 0kHz or more 50dB band width 12 5kHz or less Ripple 2 0dB or less at fo 4kHz Insertion loss 6 0dB or less Guaranteed attenuation 35 0dB or more at fo 100kHz Terminal impedance 2 0 k XF201 L71 0522 05 CF200 L72 0958 05 2 First Mixer The signal from the RF amplifier is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circ...

Page 6: ...tion and the RF signal for transmission 1 PLL The frequency step of the PLL circuit is 5 or 6 25kHz A 12 8MHz reference oscillator signal is divided at IC1 by a fixed counter to produce the 5 or 6 25kHz reference frequency The voltage controlled oscillator VCO output signal is buffer amplified by Q6 then divided in IC1 by a dual module programmable counter The divided signal is compared in phase w...

Page 7: ... SW Q106 SW APC 5T Q108 SW RX D102 103 ANT SW FINAL AMP Q107 ANT SW D101 LPF ANT 5T SW Q110 TH102 5 APC The automatic power control APC circuit stabilizes the transmitter output power at a predetermined level by sensing the drain current of the final amplifier Field Effect Transistor FET The voltage comparator IC100 2 2 compares the voltage obtained from the above drain current with a reference vo...

Page 8: ...50 C 45 150 C Tc 25 C Pin No I O Port Name Function 1 O VC1 NC 2 O VC2 NC 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 TUNE 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 BEEP Beep outp...

Page 9: ...FAINAL Q108 109 TRANSISTOR DC SWITCH Q110 TRANSISTOR TEMPERATURE PROTECTION SWITCH Q200 TRANSISTOR DC SWITCH Q201 TRANSISTOR IF AMP Q202 FET MIXER Q203 FET MIXER RF AMP Q300 TRANSISTOR ACTIVE FILTER Q302 FET AUDIO MUTE SWITCH Q303 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...

Page 10: ...10 TK 3107 TK 260 K K2 PARTS LIST ...

Page 11: ... B C55 CK73GB1H471K CHIP C 470PF K C56 C92 0507 05 CHIP TAN 4 7UF 6 3WV C100 CC73GCH1H220J CHIP C 22PF J C101 103 CK73GB1H471K CHIP C 470PF K C104 CK73GB1C104K CHIP C 0 10UF K C105 CC73GCH1H060D CHIP C 6 0PF D C106 107 CK73GB1H471K CHIP C 470PF K C108 CC73GCH1H070D CHIP C 7 0PF D C109 110 CK73GB1H471K CHIP C 470PF K C111 CC73GCH1H060D CHIP C 6 0PF D C112 CK73GB1H471K CHIP C 470PF K C113 CK73GB1C10...

Page 12: ...F K C219 CC73GCH1H180J CHIP C 18PF J C220 221 CK73GB1H103K CHIP C 0 010UF K C222 CC73GCH1H050B CHIP C 5 0PF B C223 CC73GCH1H020C CHIP C 2 0PF C C224 CK73GB1H471K CHIP C 470PF K C226 CC73GCH1H0R5B CHIP C 0 5PF B C227 CC73GCH1H070B CHIP C 7 0PF B C228 CC73GCH1H080B CHIP C 8 0PF B C229 CK73GB1H471K CHIP C 470PF K C231 232 CK73GB1H471K CHIP C 470PF K C233 CC73GCH1H0R3B CHIP C 0 3PF B C234 CC73GCH1H0R5...

Page 13: ...ACKING J19 1571 04 HOLDER J30 1249 04 SPACER CF200 L72 0958 05 CERAMIC FILTER L1 L92 0140 05 FERRITE CHIP L2 L40 1005 85 SMALL FIXED INDUCTOR 10UH L4 L40 4781 86 SMALL FIXED INDUCTOR 0 47UH L5 L40 5681 86 SMALL FIXED INDUCTOR 0 56UH L6 L40 1875 77 SMALL FIXED INDUCTOR 18NH L7 L92 0140 05 FERRITE CHIP L8 L40 1085 77 SMALL FIXED INDUCTOR 100NH L9 L40 3391 86 SMALL FIXED INDUCTOR 3 3UH L10 L92 0140 0...

Page 14: ...B1J473J CHIP R 47K J 1 16W R127 R92 0670 05 CHIP R 0 OHM R128 RK73GB1J470J CHIP R 47 J 1 16W R130 132 RK73EB2ER39K CHIP R 0 39 K 1 4W R133 138 RK73GH1J154D CHIP R 150K D 1 16W R139 RK73GB1J271J CHIP R 270 J 1 16W R140 RK73GB1J103J CHIP R 10K J 1 16W R141 RK73GB1J473J CHIP R 47K J 1 16W R142 RK73GB1J105J CHIP R 1 0M J 1 16W R143 R92 1252 05 CHIP R 0 OHM R144 RK73GB1J222J CHIP R 2 2K J 1 16W R145 RK...

Page 15: ...K J 1 16W R428 RK73GB1J272J CHIP R 2 7K J 1 16W R429 RK73GB1J821J CHIP R 820 J 1 16W R430 RK73GB1J101J CHIP R 100 J 1 16W R431 R92 1252 05 CHIP R 0 OHM R432 RK73GB1J103J CHIP R 10K J 1 16W R433 434 RK73GB1J153J CHIP R 15K J 1 16W R435 RK73GB1J103J CHIP R 10K J 1 16W R500 501 RK73GB1J472J CHIP R 4 7K J 1 16W R502 RK73GB1J823J CHIP R 82K J 1 16W R503 RK73GB1J183J CHIP R 18K J 1 16W R504 RK73GB1J333J...

Page 16: ...RANSISTOR Q100 101 2SC5108 Y TRANSISTOR Q102 2SC4988 TRANSISTOR Q103 2SK1824 FET Q104 FMMT717 TRANSISTOR Q105 2SK2596 FET Q106 2SK1824 FET Q107 2SK2595 FET Q108 DTC114EE DIGITAL TRANSISTOR Q109 DTA144EE DIGITAL TRANSISTOR Q110 DTC114TE DIGITAL TRANSISTOR Q200 DTA114EE DIGITAL TRANSISTOR Q201 2SC4649 N P TRANSISTOR Q202 203 3SK228 FET Q300 2SC4617 S TRANSISTOR Q302 2SK1824 FET Q303 DTA144EE DIGITAL...

Page 17: ...erslargerthan700arenotsupplied A B 1 2 3 1 8 8 25 24 MIC 13 SP 19 12 20 34 F F 2 10 A 7 E 22 700 9 F 14 D 6 27 C 23 B 26 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 EXPLODED VIEW 11 ...

Page 18: ...ARD B62 1164 10 16 PROTECTION BAG H25 0085 04 15 PACKING FIXTURE H12 3037 02 22 BELT HOOK J29 0624 03 ANT WHIP ANTENNA T90 0694 15 17 PROTECTION BAG H25 2012 04 3 CAP B09 0351 03 21 SP MIC HOLDER J21 4493 04 18 ITEM CARTON CASE H52 1560 02 G SCREW SET N99 0396 05 PACKING ...

Page 19: ... Input resistance 1M or more 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 Output impedan...

Page 20: ...annel data you backed up after making the adjustments Coaxial antenna connector JIG Relay terminal UNIT ADJUSTMENT FREQUENCY LIST Destination M2 CH TX RX Center 480 05 Low 470 05 Hi 489 95 ADJUSTMENT Adjustment point TC201 TC202 Band pass filter waveform adjustment TC203 L212 AF level adjustment TC1 Transmit lock voltage adjustment TC2 Receive lock voltage adjustment TP2 Band pass filter test poin...

Page 21: ...V PC MODE 8 Battery Level PC MODE Measurement Adjustment Use the KPG 55D programming software for adjustment of the next item in PC MODE see page 2 Squelch Level Transmit frequency DQT Balance RF Power QT Deviation DQT Deviation Battery Level Parts TC1 TC2 Method 3 7V 3 7V Check Specifications Remarks 0 1V 0 1V more than 1 0V Terminal CV Test equipment Digital voltmeter Condition 1 Power supply vo...

Page 22: ...R122 C112 R119 R124 C127 R416 VR1 R431 R430 R1 R310 L502 Q108 Q304 Q306 Q403 Q501 Q502 Q503 L500 D500 D501 C504 VR501 D400 D401 C531 R540 R417 R327 S D G C409 C408 R521 R541 Q109 Q402 R339 CN400 Q504 R531 R542 R131 R130 R132 R548 C165 R152 R153 R341 R543 C506 Q110 Q500 A B C D E F G H I J K L M N O P Q R S 1 3 4 5 6 7 8 9 10 11 12 13 14 2 2SC4988 M38267M8L241GP DTA114EE DTA114YE DTA123JE DTA143ZE ...

Page 23: ... R22 R28 R25 R31 R30 R27 R33 R32 C38 C43 L13 L8 D3 D1 C34 C37 C56 C30 R100 R103 C102 C104 R105 L100 C53 L18 L21 L11 TC1 TC2 L20 L15 L12 C237 C103 C156 C157 R126 Q8 Q6 Q4 Q100 Q5 Q101 Q202 Q203 S D G1 G2 R104 C126 L103 L19 R213 C239 R123 Q3 L106 L114 L112 L113 L110 L211 L210 L209 L208 L203 L204 L214 R222 R225 R227 C238 R403 R402 C402 C406 J500 Q404 1 2 5 4 3 1 2 5 4 3 Q407 L501 Q406 4 5 1 2 3 R419 ...

Page 24: ...29 R137 R140 R143 R135 R142 R141 R144 R134 R146 R145 R505 R504 R503 R333 R334 R133 R409 R405 R412 R418 R401 R536 R537 R538 R535 R534 R500 R501 R522 R517 R520 R516 R512 R515 R519 R514 R511 R510 R532 R508 R411 R408 R407 R413 R404 R400 R138 R136 R506 R524 R529 R525 R528 R526 R527 R331 R330 R335 R336 R332 R533 R530 R523 R539 C336 C335 C330 C334 C139 C415 C412 C414 C410 C403 C500 C501 C513 C512 C511 C5...

Page 25: ...W 4 98V N 0V T 1 44V R 0V 4 24V 4 23V T 0 11V R 4 32V T 0V R 0 96V R 4 89V R 3 82V T 3 82V R 1 31V T 1 08V T 4 84V R 4 93V R 3 94V R 3 74V R 1 05V R 0 97V R 0 68V R 4 15V R 4 90V T 3 08V T 2 85V T 3 07V T 0 50V T 2 84V N 4 99V W 0V R 5 04V R 1 56V R 0 62V R 0 86V T 5 05V R 5 09V 7 5V R 7 14V R 7 48V R 3 41V R 3 41V T 5 09V T 5 05V T 7 37V T 7 37V T 7 27V T 7 27V T 7 14V T 0 51V T 0 50V T 0 95V T 0...

Page 26: ...nd 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 0 63Vrms with the AF vol Measure the audio frequency on an AF VTVM and radio frequency on a RF VTVM at high impedance Set the MIC input to obtain a modulation factor of 60 with the transmit frequency at cent...

Page 27: ...37 TK 3107 TK 260 K K2 MEMO ...

Page 28: ... 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 Sirtori 7 9 2...

Search results

Summary of Contents for TK-3107

Reviews:

Related manuals for TK-3107

Brands by name

Popular brands

Kenwood TK-3107, Service Manual

Search results

Summary of Contents for TK-3107

Reviews:

Related manuals for TK-3107

Brands by name

Popular brands