Kenwood TK-7102H manuals
Marine Equipment > Marine Radio
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Kenwood TK-7102H Service Manual
43 pages 1.49 Mb
TK-7102HSERVICE MANUAL REVISED 2 TK-7102HGENERALINTRODUCTION ORDERING REPLACEMENT PARTS PERSONNEL SAFETY PRE-INSTALLATION CONSIDERATIONS1. UNPACKING 2. LICENSING REQUIREMENTS 3. PRE-INSTALLATION CHECKOUT 3-1. Introduction 3-2. Testing 4. PLANNING THE INSTALLATION 4-1. General 4-2. Antenna 4-3. Radio 4-4. DC Power and wiring 5. INSTALLATION PLANNING CONTROL STATIONS 5-1. Antenna system 5-2. Radio location SERVICE NOTE 3 GENERAL / SYSTEM SET-UPSYSTEM SET-UP1-5. Rear panel 4 1. Controls and Functions1-4. Display o 1-2. Microphone 1-1. Front Panel u y qwe tr i1-3. Auxiliary Programmable Functions 5 2. Operation Features3. Transceiver Controls and Indicators 6 4. Scan OperatingSCAN start condition Scan stop condition Revert channel Scan end Temporary delete 5. Details of FeaturesTime-out timer PTT ID Off hook decode TOT pre-alert TOT re-key time TOT reset time Clear to transpond 6. Option Signalling (DTMF) 7 TK-7102HSP Unmute Auto Reset Stun 7. Audible User Feedback TonesStun on tone Stun off tone Group call tone Individual call tone Key input error tone Transpond tone Pre alert tone Transmit protection 8 REALIGNMENT1. Modes 2. How to Enter Each Mode 3. PC Mode3-1. Preface 3-2. Connection Procedure Notes : 3-3. KPG-46 Description (PC programming interface cable : Option) 3-4. Programming Software Description 3-5. Programming With IBM PC 4. Clone Mode4-1. Adding the data password. Fig. 4 Fig. 2 9 REALIGNMENT5. Accessory Connection Cable (KCT-39)5-1. Installing the KCT-39 in the Transceiver Fig. 3 10 TK-7102H) into the chassis ( Fig. 7 Accessory Port Function Fig. 6) into the square plug ( 3. Insert the KCT-39 cable ( ). The wire harness band ( ). 5. Connect the KCT-39 to the external accessory by inserting the crimp terminal ( ), both of which are supplied with the KCT-39. Fig. 5 REALIGNMENT6. Ignition Sense Cable (KCT-18)6-2. Connecting the KCT-18 to the Transceiver) into pin 2 of the KCT- 39 ( ). 11 REALIGNMENT / INSTALLATION6-3. Modifying the Transceiver Fig. 2 Fig. 8 Setting With the KPG-70DSelect External Devices from the Edit menu and en- able the Ignition Sense.R71 CN2 TX-RX UNIT Component side INSTALLATION1. Optional Board1-1. Voice Scrambler Board Connection ModificationCN3 R202 TX-RX UNIT Component side Connection Pins Connection 12 INSTALLATIONFig. 4 Fig. 3 Setting With the KPG-70DSelect External Devices from the Edit menu and set the Scrambler. The voice scrambler board is connected subsequent to the de-emphasis circuit. 1-2. Example for Connection Picture (Trunking Board) Setting With the KPG-70DSelect External Devices from the Edit menu and set the SmarTrunk. 13 DISASSEMBLY FOR REPAIR14 Frequency ConfigurationFig. 1 Frequency configuration Fig. 2 Receiver system Receiver SystemFront-end RF Amplifier First Mixer IF Amplifier Table 1 Crystal filter (L71-0591-05) : XF351 Table 2 Ceramic filter (L72-0993-05) : CF301 Table 3 Ceramic filter (L72-0999-05) : CF302 15 CIRCUIT DESCRIPTION Wide/Narrow Changeover CircuitFig. 6 PLL circuit Fig. 4 AF signal system AF Signal System Squelch CircuitAF Filter D/A CONV. IC161 IC251 IC161W/NO (EVOL2) AF PA IC252 SP IF IC IC301 Fig. 3 Wide/Narrow changeover circuit Fig. 5 Squelch circuit PLL Frequency Synthesizer PLL VCO Unlock Circuit Fig. 8 Transmitter system Fig. 9 APC circuit Fig. 7 Unlock circuit 16 Transmitter System Outline Power Amplifier Circuit APC Circuit 17 Control Circuit Memory Circuit Fig. 14 Encodet Fig. 13 Key matrix circuit Fig. 12 Display circuit Display Circuit Key Matrix Circuit Fig. 10 Control circuit Fig. 11 Memory circuit Encode Decode QT/DQT/DTMF D/A Converter Power Supply CircuitFig. 15 Decode Fig. 16 Power supply circuit 18 CIRCUIT DESCRIPTION / SEMICONDUCTOR DATASEMICONDUCTOR DATADrive Amplifier : PD55003TR (TX-RX Unit Q503) Absolute Maximum Ratings (TCASE = 25C) 19 SEMICONDUCTOR DATAMicroprocessor : 30622MAA-B83GP (TX-RX Unit IC101) 20 COMPONENTS DESCRIPTIONDisplay Unit (X54-3460-20) TX-RX Unit (X57-6700-XX)21 TK-7102HTX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 DISPLAY UNIT (X54-3460-20) 27 EXPLODED VIEW28 PACKINGParts with the exploded numbers larger than 700 are not supplied. 29 Test Equipment Required for AlignmentTuning cable (E30-3383-05) MIC connector (Front view) Test cable for microphone input (E30-3360-08) 30 Adjustment LocationSwitchPart name label face down Fuse Adjustment Points Notes EEPROM AF PA IC (IC252)How to mounting the IC252. Speaker CableThe speaker cable should be formed before mounting the shield cover as below. FuseTo mount the fuse, the cable terminal direction must be as follow.Speaker cable This side up This side up Cable terminal Cable terminalPin 1 marker TX-RX UNIT Component side 31 PCB Section* Adjustment of TX VCO lock voltage K,M K2,M2 Test Frequency (MHz) 32 Receiver SectionTransmitter Section 34 TERMINAL FUNCTION35 PC BOARD TK-7102HDISPLAY UNIT (X54-3460-20) Component side view (J72-0916-09) DISPLAY UNIT (X54-3460-20) Foil side view (J72-0916-09) 36 TK-7102H 37 38 S RQP O NMLK J IHGF E D CB A TX-RX UNIT (X57-6700-XX) -22 : M -23 : M2 -24 : K -25 : K2 Foil side view (J72-0886-19) 37 PC BOARD TK-7102H39 40ABCDEFGHIJ KLM NOPQRS Ref. No. Connect 1 and 4 38 TK-7102H 41 42 461 *:B30-2239-05 D403-406 :XB15A709 D401,408 :KRX102U IC161 D503 :3SK255 D409 :UPB1509GV :1SS355 IC203,251 Q251,302,440 Q301 Q405,406 :2SJ243 D251.301,606,607 G R 2 M 2 1 3 4 P 2 3 4 5 6 7 TSRQPONMLKJIHGFEDCBA 39 SCHEMATIC DIAGRAM TK-7102HNote : The components marked with a dot () are parts of layer 1.X57-6700-XX TX-RX UNIT X54-3460-20 DISPLAY UNITM P 4 1 3:KRC414RTK X57-6700-XX :KRC102S :HVC350B IC201 Q254 Q61 D602 Q503 :MA742 D61 Q33 :2SC2412K :NJM2904V :2SC5108(Y) IC66 :KRC404RTK IC401 :2SC3357 :2SK1824 IC202 :2SA1641(S,T) Q35 :KTA1664(Y) :30622MAA-B83GP Q408 :AT24C64N10SI18:2SA1745(6,7) Q351,410 :RD70HVF1-01 :PD55003TR Q31 :NJM2100V Q1,86,87,252,253,354 Q403 Q501,502 :NJM78L05UA Q352,353 D603,604 :DTC363EU D202 :2SK508NV(K52) D351-354 :DAN222 Q71 Q202,407 D31 :2SC4649(N,P) :MA360 : IC501 :PST9140NR IC31 :ZSH5MA27 D407 :TA75W01FU :DAN235E :1812L110PR D32 :KIA7808AF :MA4PH633 :2SC4738(GR) :LA4600 :MB15A02 :NJM2902V IC32,33 IC101 D402 Q404,411 D201,302,303 IC301 IC34,35 IC252 Q201 :DA221 :M62363FP IC402 :2SA1832(GR) :MA2S111 D1-11,502 :MA2S304 Q504 :1SS372 Q402 :2SC4617(S) D501.608 :02DZ18(X,Y) :HZU5ALL Q32.34,36,255 :02DZ5.1(Y) D605 :2SC4919 :TK14489V Q4,10 :BU2090FS D11 D1-4 IC1 :DA221 Q9D5-10 :B30-2240-05 X54-3460-20 :KRC102S D13 :B30-2238-05 :B30-2237-05 D12 :KRA225S 40 TK-7102H TK-7102 H47 48 BLOCK DIAGRAMTX-RX UNIT (X57-670x-xx) DISPLAY UNIT (X54-3460-20) 41 TK-7102H TK-7102H
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