Lowe_TX-40_Service-Manual维修手册含电器原理图

13/200ettm1982ELECTR CALANDELECTRONICTRADER13/200 ctober1882Trader4029SERVICESHEETLoweREVolume Squelch TuneChannelgainTX-40Mic马四9四、47hca8Mobile CBsocketTX-40 is designed to comply with Homand tooperate from nominal 13.2V dic.negative or positive earthtransceiverVR5 VR6!VR7I VR8SW1Sheet 1Covering all 40 CB channeis,usinga phose-lock loop frequencyHI/LOsynthesis.a single switch selects eachchannel and a red numerical LED[Att]controlsois include a combined volume/an-of swvitchSWsquelch.a varable Delta-tune control having a switched "cerscutcheonand rt gain.Also on the front panel is the r.t.gewer output attentuasorswitch and tha combined signal atrength/r.f.power output meterLEDsMeteroh解w时hhfing-nng type microphone input socketGrean and red LEDs indicate "rocelve"and "transmit modas respec-tively.these modes being selected by aperation of the PTTswitch an theearth bondingBdynamie mierechone supolied.At the resr of the ucks for extension and PA loudspeakers.aDlsmantlingDisplaySelectorboardswitchASupplied complete with a car dashboard mounting fittings.the LoweTX-40 is housed in a black crackle finish metal two-part cabinet,havinga conventional in-ear type twoboardblack trim.part metal eabinet with the coped slong the frontCBrief Specificationd on a separate mouldodPower supplyescutcheon.Consumpbon13.2V de nominalAccess can be gained to comRecetve:300mA (with no signallboardsenents for mostFuseTransmit 1A apprextions (havi2A cartridge.inIndicators1 red,1 green LED (modelpower leads from the supply.andunplugned the aerial and microRed digital LED display (channellnh”sFrequeney modesmply by releasingF1:2760125o27.99125MHsides andRecelverthe top and bottomHeatsinkhaleso the cover.To renew or gain access to comandto10.695MHz and 455kH:ponents on the frontshieldSensithvityTypicaly 0.2uV fer 12dB SingdSelectivity-4.5kHz athcg5eoved,relaase 4 serews B from●C165Audio output0.5Wto50W5W maxthe sides front end and ease off theleads to the main board.It mayC106C107C108 C109R83TransmitterR.F.outputthe earth bonding.400mWa5时u时d0R116d1hwC九海sss客deCBetter than士i.5kHControls are secured to the土25H上escutcheon frons by their lockingPAExtGeneralLde件5合To remove the main pc.boardAerial sodkcetSpeaker4n(102mm)round.impedance 8 chmstom的8Chas线7e5eht500 ahm dynamio with PTT snevitchpower trandistor Tr4 (screw El,andsock etsnput leadsDimension转房ndweightHeight Width24n160m3b12o时Then unmlt80mml20041.79romh语Ch5sind标.8dte地a特4Interior viewowe Eloctronics Ltd,Bantiey Bnidge.screws C fram the board undersideC-时erfield Road,M时ioct.Derbyshie.062928170r062924308Ce内金to the bottom c0gr