Kenwood TK-80 Service Manual
Also see for TK-80: Service manual
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89SCHEMATIC DIAGRAM TK-807654321JIHGFX57-466 (PLL) 2/21000p 3.3kC684100R685SWITCHING1000pDTC114EKSWITCHINGC688Q532D505RLS13583.545-94.544MHzR665C6857pC681VARI-CAP D5041SV166TC50410p33pC68310pL548L5470.68uC6821000p(K52)C690R666270C68716p6.8k5pR6679pC686VCO2C6891000p2SK508NVQ5331000p 3.3kC694100R6861000pDTC114EKSWITCHINGC698Q534D507RLS13594.545-103.045MHzR669C6955pC691VARI-CAPD5061SV166TC50510p20pC69310p L550L5490.68uC6921000p(K52)C700R670270C69712p6.8k5pR6718pC696VCO3C6991000p2SK508NVQ535C7132pR822 R821000.1u35C712+R8200C7041000pC7031000pR6744.7kR676470C7011000p R6734.7kR6723.3kR675471000pC7022SC2714(Y)Q536AMPLIFIERBUFFERQ5362SC2714(Y)Q507R537R53610k5.6kR53833R539100C5131000p L5040.68uR540220C5140.01C51547pL5050.1uC705390p47pC5166pC51882nL506C51733pC51947p56nL507C70627p11pC520R8230R54310470R542R544470TX-RX-CN2CN501LO1103.045MHz73.145-C533R555330330pR5582.7kR559470R5578.2kR5541.2kR556100C532100p100pC535C5340.01uR5601004.7kR5624.7kR561100R5630.01uC5372SC2714(Y)Q5112SC2712(Y)Q512TP505 AMPLIFIER BUFFER AMPLIFIERQ512Q5113.3uL509680R687C5360.01L5101.5uL5112.2u2pC538C5402p27pC54227pC5433.3uL5121.5p3pC539 C541CARINOUTPUT156OUTPUT24 GND3 BYPASSSIGIN87NJM2594VVCC12 NCIC503R5641000.01uC5461000pC5490.01uC545MIXER2SC2714(Y)Q513 560R569C5511000p470R566R5651000.01uC550R56810k 22kR56730pTC501C6410.01u R68210R635100R68310C6425p39pR6342.2k150pR633R63222kC63839p2SC2714(Y)Q52520MHzX501C640 C63910kCRYSTALOSC100uL540C6340.01u0.01uC635C63710p10u16C636+Q525SO-2OPTION2SC2714(Y)Q526R641680R6401kR63647kR63747kR638100R639100C6430.01uQ526-528Q5272SC2996(Y)470R643C6440.01uC6451000pR642100BUFFERAMPLIFIER680R644C6480.01u470R646L541R645100C6460.01u2SC2996(Y)Q528R647270C6600.01uL542L543C649R68910kR68812k 10u4.7u10u16C6500.01uR649+1kC65115pC65215pQ5292SC2712(Y)AMPLIFIERL52910uC59027pR681560C59127p560R587 0.01uC592R58822k100R5900.01uC594C5890.01uR5862.2k 2SC2712(Y)Q5160.01uC707R591470 33p 10pC57527p100pC577C576 C5785.6uL5248.2uL525C57468p47pC57247pC570C571560pL5223.3uC573L5233.9u 150pC57922p2SC2712(Y)100R582R57922kR583470Q5150.01uC5810.01uC580R57839010kR580R58122Q516BUFFERAMPLIFIER BUFFERAMPLIFIERQ515BUFFERAMPLIFIERQ513NC65 SIGIN78 CARINBYPASSVCCGND34OUTPUT1 21OUTPUT2C5640.01uNJM2594VIC504MIXER100R5410.01uC565L515 L514C5540.75pC5530.75pC5557pC70918pC5527pL5130.01uC586R5840R57115kC5581000p2SC2712(GR)Q514R573220 2.2u50C557+R572100R57010kL516100u1kR574AMPLIFIERBUFFERQ514R57610p 22p220pC561C563180p150p22uL517C560L51822uC562680C559C5660.1uR5750C61922uL53622p10p2SC2712(GR)220R619AMPLIFIERQ522BUFFER10k1kR620Q522C616180pC618220p100R618R616C61415kR617L535+2.2u501000pC615C61722u100uL534150pC620R6210680R622C6230.01uR623C6240.01uQ5232SC2712(Y)470R626C6210.01u22kAMPLIFIERBUFFERQ523R625100MIXERC6260.01u0.1u0.01uCARIN87NCC625 BYPASSSIGIN5612OUTPUT1VCCOUTPUT243GNDIC506NJM2594VR577100C627C6290.01uR6273.3kTC50210pC5957pL5301.2uR59310k22pC5961000pC59722pC5982SC2714(Y)Q51762.35MHzX502L531R594820R59222kR595100L532100u0.01uC714C5990.01u100R598C6003pR59747kR599100Q5182SC2714(Y)0.01uC6011kR60047kR596TP5061000pC6096pC61133pC610C61268p0.22uL5331000pC710680R615 L5510.82uC6080.01uC7151000p2SC2714(Y)Q521R61212kC6071000pR610470R61147100R609C6060.01uR60722k1000pC6050R650R60810k2SC2714Q520Q520BUFFERAMPLIFIER AMPLIFIERD505D506SWITCHINGD507VB2VB38AFIN54MHzTP502CHOP5ACLKRINCRYSTAL OSCQ518BUFFERAMPLIFIERR6063.3kR58910k10kR680C6471000p100uTP5018A1000p33C512R53562.35MHzCN502TX-RX-CN3LO2(Y)AMPLIFIERR605R60310k1000pC6023.3kR6011000p4702SC2714(Y)C604Q519R60422kR602C6030.01uQ519BUFFER100100kR631C63027022pR630820CF500R629IN OUTAMPLIFIER0R6792SC2714(Y)Q5241000.022uC632R628L53910.695MHzCN503TX-RX12 CARGND1000pC584MIXERIC505UPC1686GBPS2CCP34 VCC OUTGND56IN11 BPS128IN27C5850.01u47100uL527R58510uL528 0.01uC587R690560C5881000p-CN910kR624R648180kTP503100pC633R6134.7kC5440.01uAMPLIFIERQ50754MHzBPF62.35MHz4.0V 0V 0V 4.0V3.7V3.0V2.1V7.6V1.4V 3.4dBm1.8V1.1V3.6V2.0Vp-p 3.5V7.3V2.9V170mVp-p170mVp-p2.3V7.7V1.6V70mVp-p5.0V5.0V2.4V 7.8V2.0V3.4V7.5V2.0V7.5V2.7V 2.7V7.5V2.0V2.7V2.3V1.7V7.7V 600mVp-p 7.7V1.7V2.3V6.7V2.9V470mVp-p3.8V3.1V6.3V3.1V3.8V6.3V1.7V2.4V7.6V6.5V0.51Vp-p2.9V1.6V7.7V2.3V7.7V3.5V7.9V2.2V1.5V7.6V70mVp-p1.0Vp-p1.4Vp-p+2.5dBm2.7V1.6V7.7V2.3V0.7V7.1V4.6V4.8V2.6V40mVp-p240mVp-p720mVp-p0.6V1.7Vp-p2.5V1.0Vp-p0.58Vp-p8.0V7.7V2.3V1.6V-1.2dBmNote : The components marked with a dot (•) are parts of layer 1.TX-RX UNIT (PLL SECTION) (X57-4660-21) |
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