Kenwood TK-80 Service Manual
Also see for TK-80: Service manual
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88TK-80 SCHEMATIC DIAGRAM7654321A B C D EX57-466 (PLL) 1/2NBGNBI-W1TX-RX2W110.82uL800C8016pC8000.01uL80147uR8011k2SC2714(Y)Q801TP801R80210kQ8022SC2714(Y)0R819C8020.01u 220R800L80222kR804 33kR805R80668kC8060.01u0.022uC6680.47u25C805+L8031kR810C8070.01uR80710k R80810kR812220C8100.01u R81310k0.01uC8190.47u25C808+1.5kR8092SC2714(Y)Q8042SC2712(Y)Q803R81133kC8111000p2SC2712(Y)Q8051kR803DTC114EKQ800DTA114EKQ807DTC114EKQ80810pC81256kR8151kR814Q8062SC2714(Y)C8160.01uC8171u16+100R816HSM276SD800C8130.01u680R8170.01uC8140.01uC8156.8kR818C818100u10+1mL804VDDVSSTC4S66FIC508L508100u0.01uC524220u10C523+C7110.01u1161097 FINDO18 VSSLDDO2CNTLIC5021514161213RINCLK3 DATASLE54 FRFVFCMB86001PF21 VDD VSS1kR5450.01uC5222SC3722K(R)Q508R54968k 1kR5482SC3722K(R)Q509R5471.2k1u16+C5291u16+C5280.01uC527R54618k47u16C526+150R551 1.8kR550R5521kQ5102SC3722K(R)R5532200.01uC53047u16C531+-CN5 81GND423567DEN1DEN2ABSLCASLPEN1NCPLS1511910121314VB3PDAPCKULKCONTROLVB2VB1VDLY16GNDCN500R655 100R654 100R656 100R651 100R659 100R653 100R658 100R652 100C663 220pC656 220pC659 220pC655 220pD501 1SS355D500 1SS355C654 220pC658 220pC657 220pC653 220pNBSRBK8ARTK100R657TO TX-RX UNITC8040.01uVSS8 DA2342EXITSLAB21IENISCISD4443VDD5VSS9CLK4140PHS1PHS03938371110TDA3VDD2NCNPCHOPVSS2DA0DA1VSS38 TEST0VDD1PRESNRES54VSS176TDA1TDA0TEST19TDA2141213171516181931VDD4VSS7DA11DA103635343233DA3VSS426VSS6DA8DA92930DA6DA7 2728VSS5VDD3DA5 2425DA4 2320212232101937VDD2ISCTEST01267345EXITSLABIEN44VSS1NRESPRESVDD1TDA2TDA1TEST1TDA0118910TDA3 12CLKISD414243VDD5383940PHS0PHS1VSS9VSS2CHOPNCNP151413VSS3DA1DA0181716DA6343536DA10DA11VSS8 VDD43332VSS7DA7 2827DA9DA8313029VSS6VSS4DA3222120DA2 DA4DA5 232625VDD3VSS5 240123100uL5010.01uC501100u0.01uC500L500100u0.01uC507 C5060.01uL503L502100u1uC50822kR677F71022ZIC500DDSF71022ZIC501DDSVR90210kR919470DELAY1kVR90110kANTIR913R9045.6kR902100kR901100R90610kC9041u100u10+C90210u16C905+C900100pR90322kC901100p560R905R90010kC9031uQ9002SC2712(Y)1uC910VR90010kGAIND9021SS3552AMPLIFIER3465NJM2904M178IC900VCCGND 1SS355D901R9161MR90910kR91510kR908100k C9091000pR917470kR91010kR9111M1SS355R912 1MD900C9080.022uR92010kVSS679845231110121 14VDD 13IC901TC4001BFTREVERSE-FLOW PREVENTIOND900-902Q903DTC114EKON/OFFQ900VOXAMPLIFIERR91810k100u10C907+R907100Q9012SC2712(Y)DTA114EKQ902SWITCHING0.68uL545L54610pTC5031SV166D502C6759pC67139pC6721000pC67315pCVR6633.3kR66227018pC6805p10pC6781000pC6741000pR684100R661C6776.8kC676DTC114EKQ530Q5312SK508NVVCO1SWITCHING73.145-83.544MHzCAPVARI-1000pC679RLS135D503SWITCHING(K52)AMPLIFIERQ801-804SWITCHINGQ800SWITCHING BUFFER AMPLIFIERQ806Q805,807,808DETECTION100uL544220u10C669+C6700.01uSWITCHINGPLL Q508-510LPFVOX INPUTON/OFFVOX5A20138 981 CP501916CP5001 16C504C50527p27pCP502127pC510C51127p 16CP5031823169810 9CLKCHOPSPUNIT MIC8F5AVOXOVOXSVB2VB38AFINRIN8AD503TO TX-RXNOR CIRCUITQ903TP504C9060.01uSWITCHINGD500,501NBTX-RX UNIT (PLL SECTION) (X57-4660-21)4.6V6.8V5.3V7.5V1.1V0.1V0.16V4.7V0.3V4.0V7.7V0.7V0V7.8V5.3VOFF : 7.8VNB ON : 1.0VOFF : 7.7VNB ON : 0VOFF : 0VNB ON : 2.8V0V0V2.0V7.5V1.0V0.36V3.3V2.0V5.0V0V5.0V5.0V5.0V5.0V0V1.3V1.3V0.7V0V0V0V0VOFF : 0VVOX ON : 0.66V8.0VVOX ON : 0.64VOFF : 0VVOX ON : 0.1VOFF : 0V0VOFF : 4.4VVOX ON : 0.6V0V0V0VVOX ON : 8.0VOFF : 0.5V4.0V0V3.3V6.8V 1.8V6.8V5.0V1.5V1.0Vp-p2.0Vp-p4.6VVOX ON : 0VOFF : 8.0VOFF : 0.1VVOXON : 7.9V5.0V0V8.0V |
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