Kenwood TK-3107 Service Manual

16 channels uhf fm transceiver m2 version

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Service manual (22 pages)

Instruction manual (20 pages)

Instruction manual (19 pages)

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Page 1: Table Of Contents
PACKING ..............18 ADJUSTMENT............19 Cabinet assy PC BOARD VIEWS (A02-2448-13) 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 TK-3107 (16 channels)
Page 2: General
PC Mode Use this mode, to make various Connenction procedure settings by means of the FPU through 1. Connect the TK-3107 to the personal computer with the the RS-232C port. interface cable. Manufacture Mode Use this mode, to realign the various 2.
Page 3 RS-232C Iogic level to the TTL Ievel. The determined automatically when the frequency range KPG-22 connects the side panel jacks of the TK-3107 to the (frequency type) is set. computer's RS-232C serial port.
Page 4: Disassembly For Repair
TK-3107 DISASSEMBLY FOR REPAIR Separating the case assembly from the chassis Separating the chassis from the unit 1. Remove the two knobs and three round nuts 1. Remove the eleven screws 2. Remove the two screws 2. Remove the solder from the antenna terminal using a 3.
Page 5: Circuit Description
TK-3107 CIRCUIT DESCRIPTION 2) First Mixer 1. Frequency configuration The signal from the RF amplifier is heterodyned with the The receiver utilizes double conversion. The first IF is first local oscillator signal from the PLL frequency synthesizer 38.85MHz and the second IF is 450kHz. The first local circuit at the first mixer (Q202) to create a 38.85MHz first...
Page 6 TK-3107 CIRCUIT DESCRIPTION 5) Squelch 6) Receive signaling Part of the AF signal from the IC enters the FM IC again, QT/DQT and the noise component is amplified and rectified by a filter 300 Hz and higher audio frequencies of the output signal and an amplifier to produce a DC voltage corresponding to the from IF IC are cut by a low-pass filter (IC301).
Page 7: Power Supply
TK-3107 CIRCUIT DESCRIPTION 3) UNLOCK DETECTOR If a pulse signal appears at the LD pin of IC1, an unlock condition occurs, and the DC voltage obtained from D7, R6, DRIVE AMP FINAL AMP ANT SW Q101,Q102 Q105 Q107 D101 and C1 causes the voltage applied to the UL pin of the microprocessor to go low.
Page 8: Semiconductor Data
TK-3107 SEMICONDUCTOR DATA Microprocessor: M38267M8L241GP (IC403) Pin No. I/O Port Name Function Pin No. I/O Port Name Function Control of power supply (5M) for QT/DQT external circuit center everything except the TIBI point input microcomputer and EEPROM L QT/DQT signal input...
Page 9: Description Of Components
TK-3107 DESCRIPTION OF COMPONENTS Ref No. Semiconductor Description 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...
Page 10: Parts List
TK-3107 PARTS LIST TK-260 :K, K2...
Page 11: Parts List
TK-3107 PARTS LIST ∗ New Parts. indicates safety critical components. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. TX-RX UNIT (X57-6030-11) TK-3107 Ref.
Page 12 TK-3107 PARTS LIST TX-RX UNIT (X57-6030-11) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C226 CC73GCH1H0R5B CHIP C 0.5PF C114,115 CK73GB1H471K CHIP C 470PF C227 CC73GCH1H070B CHIP C 7.0PF C116 CK73GB1H102K CHIP C...
Page 13 TK-3107 PARTS LIST TX-RX UNIT (X57-6030-11) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts C414 CK73GB1H471K CHIP C 470PF L40-1005-85 SMALL FIXED INDUCTOR(10UH) C415 CC73GCH1H100D CHIP C 10PF L40-4781-86 SMALL FIXED INDUCTOR(0.47UH)
Page 14 TK-3107 PARTS LIST TX-RX UNIT (X57-6030-11) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R139 RK73GB1J271J CHIP R J 1/16W RK73GB1J154J CHIP R 150K J 1/16W R140 RK73GB1J103J CHIP R J 1/16W...
Page 15 TK-3107 PARTS LIST TX-RX UNIT (X57-6030-11) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts R320 RK73GB1J473J CHIP R J 1/16W R502 RK73GB1J823J CHIP R J 1/16W R321 RK73GB1J223J CHIP R J 1/16W...
Page 16 TK-3107 PARTS LIST TX-RX UNIT (X57-6030-11) Ref. No. Address Parts No. Description Destination Ref. No. Address Parts No. Description Destination parts parts D502 1SR154-400 DIODE MB15A02 IC100 NJM2904V IC(APC) IC200 TA31136FN IC(FM IF DETECTOR) IC300 NJM2902V IC301 NJM2904V IC(APC) IC302...
Page 17: Exploded View
TK-3107 EXPLODED VIEW 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 TK-260 :K, K2 TK-260/(N) :NK, NK2 Parts with exploded numbers larger than 700 are not supplied.
Page 18: Packing
TK-3107 PACKING 4.INSTRUCTION MANUAL WARRANTY CARD (B62-1164-10) 16.PROTECTION BAG (H25-0085-04) 15.PACKING FIXTURE 22.BELT HOOK (H12-3037-02) (J29-0624-03) 17.PROTECTION BAG ANT. WHIP ANTENNA (H25-2012-04) (T90-0694-15) 18.ITEM CARTON CASE (H52-1560-02) 3. CAP G. SCREW SET (B09-0351-03) (N99-0396-05) 21.SP/MIC HOLDER (J21-4493-04) TK-260 :K, K2...
Page 19: Adjustment
• Use a non-conductive rod such as a Ceramic rod for 5. RF Voltmeter(RF V.M) adjustment (especially of trimmers and coils). 1. Measurable frequency : Up to 500MHz or so. Kenwood order No. A-0910 (0.4X0.9mm) 6. Linear Detector Kenwood order No.
Page 20 TK-3107 ADJUSTMENT Adjustment point Componennt Side View Foil Side View L212 VR501 IC403 R222 VR500 ANT: Antenna connector Channel selector TC201: Speaker jack TC202: Band-pass filter waveform adjustment MIC: Microphone jack TC203: Lock voltage adjustment terminal L212: AF level adjustment...
Page 21 TK-3107 TK-3107 ADJUSTMENT 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 BPF-Wave Section common to the transmitter and receiver (VCO)
Page 22: Pc Board Views
TK-3107 PC BOARD VIEW TX-RX UNIT (X57-6030-11) Component side view TX-RX UNIT (X57-6030-11) Component side view R541 J72-0687-12 C529 R535 C523 R538 C502 F500 L401 D500 R416 C522 R530 R342 R401 R405 R417 C521 C408 C520 R528 C418 C524 R414...
Page 23 TK-3107 PC BOARD VIEW TX-RX UNIT (X57-6030-11) Foil side view TX-RX UNIT (X57-6030-11) Foil side view J72-0687-12 R300 C322 R340 C321 R326 Q302 C316 C312 R328 R321 C309 R315 R314 R312 J500 C307 R406 C100 Q100 R426 C427 R419 R403...
Page 24 TK-3107 PC BOARD VIEW FP210 2SK2595 TX-RX UNIT (X57-6030-11) Component side view + Foil side view TX-RX UNIT (X57-6030-11) Component side view + Foil side view R541 J72-0687-12 R300 C322 R340 C321 R326 C529 R535 Q302 C523 R538 3 4 5...
Page 25: Schematic Diagram
TK-3107 SCHEMATIC DIAGRAM T : 5. 10V T : 7. 27V R : 5. 10V T : 7. 14V T : 1. 08V T : 4. 84V R : 1. 31V T : 3. 82V R : 3. 82V T : 4. 91V T : 1.
Page 26: Block Diagram
TK-3107 TK-3107 TK-3107 TK-3107 BLOCK DIAGRAM LEVEL DIAGRAM KNB-15A (Ni-Cd Battery) KNB-15A CIRCUITDIAGRAM SPECIFICATIONS Voltage : 7.2V (1.2V x 6) Discharge pin side Charging current : 1100mAh Dimensions : 60.8W x 110.8H x 20.3D (mm) (projections included) Breaker Breaker Charger and charging time: °...
Page 27 TK-3107 MEMO TK-260 :K, K2...
Page 28: Specifications
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.

Kenwood TK-3107 Service Manual

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