Kenwood TK-230 Service Manual
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VHFSYNTHESIZEDFMTWO-WAY PORTABLERADIOKENWOODTK-230/230(SC)SERVICE MANUAL ©1989-10 PRINTED IN JAPANB51-8029-00(T) 1135CONTENTSGENERAL ...........:cccecseeececeeeescnnereeteteeatentasseeeeresseneeneeates 2SYSTEM SET-UP ...........cccccessssecssnsneenecenereeaeenensestanenens 3INSTALLATION ..........:.cccsccccccseeeeeecreesesnertseeaessoeeeeneaees 3WRITING METHOD ..,...........c:c:scecescecseneneeenetecesesseeeeeeeees 7BEEP SOUND ............cccceeecececseeesenereseeenneneeseneenenenenenaegs 16DISASSEMBLY FOR REPAIR..............c.s:cccseseeeesesseeeeeeeres 17BLOCK DIAGRAM ..............::c:cccneneesesenenreeeeetenetaeseeeeens 21LEVEL DIAGRAM.............cccc:eceeeseveneesnenenaseeneraeeseteetesenes 23CIRCUIT DESCRIPTION ............ccccceeeeceseeeeeeee eteneereeenen ees24SEMICONDUCTOR DATA ............:c:cseneneseseseneeeesseenseneens 36DESCRIPTION OF COMPONENTS .............:::eeseteeeeeeeeeees 42PARTS LIST ..........ccccceeseeeeeseeeseseeveesnenenananaeeesesenseeenaeas 43DISASSEMBLY ..............:c:csceseeeecesenteeeeeeeeneteeeeneeeseeaneees 56PACKING 1.0... cccceceececeees ener eseeennnesneeeeenennenseseaseasenna eananes57ADJUSTMENT. ..........:.ccccseceseseeseseccesnssnsnseenneenereeseeeenens 58TERMINAL FUNCTIONG................:cccsceeseseneeneenenseneeneneens 63CIRCUIT DIAGRAMS/PC BOARD VIEWSIF (X58-3530-11) .........cececececnneveseeeeevereesreatnensneseceeers 64VCO (X58-3570-XX).......ceeeeeeeececevenenenecsnescueeserstnenees 65PLL (X58-3550-11)..........:cececesenevevevenecerersaeseessererecens 66ANT SW (X58-3560-XX) ..... cc eeeeceeeeeeeeerserereeenernenens 67MIC AMP (X59-3520-10) ...........:ccesensseeveecerereereenrataes 68DRIVE (X59-3540-11)..........::cecccseesereerseeseesrssersnentans 69AF PA (X59-3560-10)........:c:ecceceveveeteerterereceeseeaeneeeees 70AVR (X59-3570-10) «0... ceceeeeteteeeeeeeeeeteeeereeneereenecens 71SW (X59-3580-10)........0:ccceseeseeeeeeesnseeeeereceeeenesenseeens 71APC (X59-3590-10).......cceecereeteveeeererereereneserseneasenness 72MIC UNIT (X42-3020-10)..........ccc:esscenenseeecersenenaeneees 73CONTROL UNIT (X53-3210-XX)S/No. OOB80050~ 0080425... ecccceeeceeeeerteresenens 73 -S/NO. OOQ00G 1 ~ ....... eeeecee een ee eee eteneneneneesenerseneraenss 75TX-RX UNIT (X57-3300-XX) ....... ce eeeeeeceeeeeneeereeeeeeees 77SCHEMATIC DIAGRAM. .............::ccccesseseseeenaennenerseneeseese 79KCH-2 (MULTI-CHANNEL TOP PANEL)..............::seceseeeees 83KCT-1 (CLONING CABLE) ...........ccccseeseecetersteceaseesensreeees 85KCT-2 (PROGRAMMING PLUG) ................ccceceeeeeeeeeeenens 85KCT-3 (METERING CABLE) .............cccccecussseeceereeseeneneeens 85KRA-6A, 6B, 6C (VHF STUBBY ANTENNA) ...............--05 85KDM-4 (FOR 20-CH ALPHA-NUMERIC DISPLAY)............. 86KDM-4(A) (FOR 100-CH ALPHA-NUMERIC DISPLAY)....... 86KMC-10 (SPEAKER MICROPHONE) ............:0csseeeeseeeeeneess 93KMC-11 (SPEAKER MICROPHONEWITH STUBBY ANTENNA)...........cceseseeseseeteserenereeeseees 93KSC-4 (RAPID CHARGER)........0.cscssssceseeresesteseseraeenseeeas 94KSC-5 (REGULAR RATE CHARGER).............ccsceseseeeeeees 105KSC-6 (COMPACT CHARGER)..............c::eeseeececseceaeeeees 109Photo is TK-230. SPECIFICATIONS ...........ccecsceusscsveeceuseeetseseees BACK COVER |
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