Kenwood TK-2102G User Manual

SERVICE MANUALVHF FM TRANSCEIVER© 2008-8 PRINTED IN JA PANB51-8841-00 (N) 554TK-2102GGENERAL ...2SYS

TK-2102G10SEMICONDUCTOR DATAMicroprocessor: 38268MCA060GU (TX-RX unit IC403)Pin No.Port Name I/O Function1,2 VC1,VC2 O Variable capacity tune control3

TK-2102G11COMPONENTS DESCRIPTIONRef. No. Part Name DescriptionIC1 IC Phase locked loop systemIC100 IC Automatic power controlIC200 IC IF systemIC300 I

TK-2102G12Chip capacitor Code L W T Empty 5.6±0.5 5.0±0.5 Less than 2.0 A 4.5±0.5 3.2±0.4 Less than 2.0 B 4.5±0.5 2.0±0.3 Less than 2.0 C 4.

TK-2102G✽ New Parts. indicates safety critical components.Parts without Parts No. are not supplied.Les articles non mentionnes dans le Parts No. ne s

TK-2102G14Ref. No.Ad dressParts No. DescriptionDesti-nationNewpartsPARTS LISTRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsTX-RX UNIT (X57-

TK-2102G15PARTS LISTRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsTX-RX UNIT (X57-

TK-2102G16Ref. No.Ad dressParts No. DescriptionDesti-nationNewpartsPARTS LISTRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsTX-RX UNIT (X57-

TK-2102G17PARTS LISTRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsTX-RX UNIT (X57-

TK-2102G18Ref. No.Ad dressParts No. DescriptionDesti-nationNewpartsPARTS LISTRef. No.Ad dressParts No. DescriptionDesti-nationNewpartsTX-RX UNIT (X57-

TK-2102G19EXPLODED VIEWParts with the exploded numbers larger than 700 are not supplied.321BA142433744411393345CBB704703Fx2TX-RXunitFx3Fx3AFADx2E70270

TK-2102G2INTRODUCTIONSCOPE OF THIS MANUALThis manual is intended for use by experienced techni-cians familiar with similar types of commercial grade c

TK-2102G20PACKING321DC56 AC adapter (AC 120V) (W08-0479-25):K58 AC adapter (AC 230V) (W08-0558-35):M59 Charger (W08-0598-15)5 Instruction manual (B6

TK-2102G21ADJUSTMENTTest Equipment Required for AlignmentTest Equipment Major Specifi cations 1. Standard Signal Generator (SSG)Frequency Range 150 t

TK-2102G22ADJUSTMENTControlsSpeaker/ microphone jacksAntennaMonitor keyPTT switchLED indicatorSpeakerMicrophonePower switch/ Volume controlChannel sel

TK-2102G23ADJUSTMENTTransmitter Section Item ConditionMeasurement AdjustmentSpecifi cations / RemarksTest-equipmentUnitTerminalUnit Parts Method1. Freq

TK-2102G24ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifi cations / RemarksTest-equipmentUnitTerminalUnit Parts Method5. MIC Sensitivity [Wide]1)

TK-2102G25ADJUSTMENTReceiver SectionItem ConditionMeasurement AdjustmentSpecifi cations / RemarksTest-equipmentUnitTerminalUnit Parts Method1. BPF wave

26JIHGFEDCBA1234567891011121314R401R404R405R408R409R416R418C400C408+C409C411C412C413C415Q305Q306+Q504CVJ79-0166-09IC400IC401IC402133415+45IC4031252650

27JKLMNOPQRS1234567891011121314R414R415R417R430R43156110C418SBC420F500Q10706Q307++++GDSD400D401R135R136ANTR520R522R523MIC500R528R146R530R531R535PTT5MS

28JIHGFEDCBA1234567891011121314R402 R403R406R410C31R419R420R23R426R427R429R239C50+R432R240R435R242C402 C406C421C423S403MONIS402PTTC427C429C25C252C253C

29JKLMNOPQRS1234567891011121314C20R210C25R212R213C28R215C29R216C32C34R223C38C39R228C41R230R231R233C200++C203C204C205R241C206R242R244R245C210C213C214C2

TK-2102G3REALIGNMENT1. ModesUser modePC modePC test mode PC tuning modeData programming modeMode FunctionUser mode For normal use.PC modeUsed for com

30TK-2102G SCHEMATIC DIAGRAMX57-602 1/47654321A B C D E-tL4470nR42147kR4243.3kL7R12270kC4180.01uR42347kC4220.01uC4291uR4071kR21100kR41710TH5003kC17330

31SCHEMATIC DIAGRAM TK-2102GX57-602 2/4JIHGFC3060.047uC3141000pR313100kC3120.01u(J)C5110.047uR303R30518kR5236.8kC3020.1uC31110u6.3R317270k(D)R3110R1

32TK-2102G SCHEMATIC DIAGRAMX57-602 3/4K L M N O-tC30710u6.3C203470pR208680kC2090.1uC2044700pC5194.7u6.3C526470pCF200L72-0958-05INOUTC5200.022uR1194.7

33SCHEMATIC DIAGRAM TK-2102GNote : The components marked with a dot (•) are parts of layer 1.X57-602 4/47654321TSRQPQ108DTC114EEIC100NJM2904V-ZB1234

TK-2102G34D51SV214-FD1,D21SV283Fx2X1L77-1877-15IC1MB15A02PFV2E1Q42SK1875-F(V)Q62SC5108(Y)FQ32SK1875-F(V)Q102SC5(Y)Q22SC5108(Y)FQ403DTC144EE2MQ5,Q72SJ2

TK-2102G35BLOCK DIAGRAMQ1002SC5108(Y)FQ1012SC4988-EQ1022SK2596-EQ1052SK2595-EQ1062SK1824-AQ108DTC114EEQ107DTC114EED101D104HSC277x2IC100NJM2904V-ZBQ104

TK-2102G36LEVEL DIAGRAMReceiver SectionTransmitter SectionSG output level for obtaining 12dB / SINAD when injected to each point through a 470pF coupl

TK-2102G37OPTIONAL ACCESSORIESKNB-14 (Ni-Cd BATTERY) Schematic Diagram External View External View External ViewDischarge pin sideBreaker(80±5°C)C

TK-2102G2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 JapanP.O. BOX 22745, 2201 East Dominguez Street, Long Beach,6070 Kestrel Road, Mississau

JKLMNOPQRSIHGFEDCBA12345678910111213141234567891011121314R401R404R405R408R409R414R415R416R417R418R430R43156110C400C408+C409C411C412C413C415C418SBC420F

TK-2102G44-5. Programming Software DescriptionThe KPG-55D (ver.4.00 or later) is the programming software for the transceiver supplied on a CD-ROM. Th

JKLMNOPQRSIHGFEDCBA12345678910111213141234567891011121314C20R402 R403R210C25R406R212R213C28R215C29R216R410C31C32C34R223C38R419C39R228R420C41R230R231R4

-t-tL4470nC3060.047uQ108DTC114EER42147kC3141000pR4243.3kR313100kC30710u6.3L7R12270kC4180.01uR42347kC4220.01uC4291uC3120.01u(J)R4071kIC100NJM2904V-ZB12

D51SV214-FD1,D21SV283Fx2X1L77-1877-15IC1MB15A02PFV2E1Q42SK1875-F(V)Q62SC5108(Y)FQ32SK1875-F(V)Q1002SC5108(Y)FQ1012SC4988-EQ1022SK2596-EQ1052SK2595-EQ1

TK-2102G5DISASSEMBLY FOR REPAIR Removing the case assembly from the chassis1. Remove the two knobs q, cushion w and three round nuts e.2. Remove th

TK-2102G6CIRCUIT DESCRIPTION1. Frequency Confi gurationThe receiver utilizes double conversion. The first IF is 38.85MHz and the second IF is 450kHz. T

TK-2102G7CIRCUIT DESCRIPTIONXF200:L71-0522-05Item RatingNominal center frequency 38.850MHzPass band width ±5.0kHz or more at 3dB40dB stop band width ±

TK-2102G8CIRCUIT DESCRIPTIONFig. 4 PLL circuitFig. 6 Transmit audio and QT/DQT encoder3) Unlock DetectorIf a pulse signal appears at the LD pin of I

TK-2102G9CIRCUIT DESCRIPTION3) VCO and RF Amplifi erThe transmit signal obtained from the VCO buffer am-plifi er Q100, is amplifi ed by Q101. This amplifi