Kenwood TK-7100H Service Manual

Also see for TK-7100H: Specifications Service manual

TK-7100H21Display Unit (X54-3430-20)Ref. No. Parts name DescriptionIC2 IC LCD controllerQ6 Transistor DC switchQ9 Transistor LCD backlit switchQ10 Transistor Key backlit switchQ11 Transistor Dimmer function switchD2~5 LED Key & LCD backlitD17 Diode DC switchD18 Diode DC controllerD19~26 LED Key & LCD backlitD27 Diode Surge absorptionD28~31 LED Key & LCD backlitTX-RX Unit (X57-6700-20)Ref. No. Parts name DescriptionIC31 IC Voltage regulator (8C)IC32 IC Voltage regulator (5C)IC33 IC Voltage regulator (5M)IC34 IC Voltage detector resetIC35 IC Voltage detector intIC66 IC EEPROMIC101 IC CPUIC161 IC Digital potentiometerIC201 IC MIC amplifier / IDCIC202 IC MIC amplifier / Splatter filterIC203 IC Buffer amplifier / SUM amplifier/ DC amplifier / 1/2 VccIC251 IC Audio filterIC252 IC Audio amplifierIC301 IC FM demodulationIC401 IC PLL synthesizerIC402 IC Divider (Hetero)IC501 IC APC controllerQ1 FET TX AFQ31,32 Transistor DC switch (SB) / Active when power is onQ33,34 Transistor DC switch (8R) / Active while RXQ35,36 Transistor DC switch (8T) / Active while TXQ61 Transistor Over voltage detection / Active whenPS voltage is more than 18VQ71 Transistor Ignition / Ignition sensQ86,87 Transistor Beat shift / Active while beat shift is onQ201 Transistor AF amplifier / MIC mute / Emergency MIC muteQ202 FET Emergency MIC mute / Active whenMICEM is HQ251 Transistor Buffer amplifier / RX audioQ252,253 FET AF mute / Active while AFM is HRef. No. Parts name DescriptionQ254 Digital transistor AF mute / Active while SPM is HQ255 Transistor AF mute / Active while AMPSW is HQ301 Transistor Noise amplifier / SQL amplifierQ302 Transistor Buffer amplifier / 16.8MHz 3rd over toneQ351 Transistor IF amplifierQ352 FET MixerQ353 FET RF amplifier / LNAQ354 Transistor RF BPFQ402,403 Transistor Charge pumpQ404 Transistor RF amplifier / PLL F inQ405 FET RX VCOQ406 FET TX VCOQ407 FET T/R switchQ408 Transistor T/R switchQ410 Transistor Buffer amplifier / Output of VCOQ411 Transistor RF amplifier / Output of VCOQ440 Transistor Lipple filterQ501,502 Transistor RF amplifier / Drive stageQ503 FET RF amplifier / Drive amplifierQ504 FET RF amplifier / Final amplifierD1 Diode Surge absorption / CMD2 Diode Surge absorption / HOOKD3 Diode Surge absorption / PTTD4~11 Diode Surge absorption / FNC1~8D31 Diode Reverse connection protectionD32 Poly switch Current protectionD61 Diode Over voltage detectionD201 Diode OR gate / MIC mute, AGCD202 Diode AGCD251 Diode LimiterD301 Diode DetectionD302,303 Diode IF switch (Wide/Narrow)D351~354 Varicap RF BPF tuningD401 Diode Lipple filterD402 Diode Voltage droppedD403,404 Varicap RX VCOD405,406 Varicap TX VCOD407 Varicap ModulationD408 Diode Lipple filterD409 Diode RF switch (TX/RX)D501,502 Diode Temperature compensationD503 Diode Voltage protectionD602,603 Diode ANT switchD605 Diode ANT switchD606,607 Diode APC voltage detectD608 Diode Temperature compensationCOMPONENTS DESCRIPTION