Cobra_45XLR_(Service_Manual维修手册含电器原理图)

SERVICE MANUAL45XLRIN-DASH 40 CHANNEL CB 2 WAYMOBILE TRANSCEIVERWITH AM/FM/FM STEREO RADIOSPECIFICATIONS■GENERALPower Supply Voltage:DC 13.8V NOM.(11V~16V)Negative ground Maximum Sensitivity:Less than 8uV 18dBMaximum CurrentUsable SensitivityLess than 6.3uV for 30dB S+N/NDrain:Radio:1.5AStereo Separation:More than 26 dBCB Transceiver:2.0APower Output:2 x 4 Watts (across 4 ohm load.@13.8V)■CB RECEIVERSpeaker Impedance:4~8 ohmsChannels:40SemiconductorsTransistors;23Frequency Range:26.965-27.405MHzFET's;3Intermediate1C's:8Frequency1st:10.695MH2Diodes including LED lamp LED2nd:455 kHzNumeric Display;25Sensitivity:Less than 0.5uVDimensions:Width:7-3/32(180mmSelectivity:5 kHz @-6dBHeight:2-1/1652 mm)Adjacent ChannelDepth:7-3/32(180mm】Rejection:More than 45 dBWeight:Approx3.3bs(1.5kgImage Rejection:More than 60 dBSquelch Sensitivity:Less than 1.4 uV0.5uV■AM RADIO SECTIONFrequency Range:535~1605kHZ■CB TRANSMITTERIntermediateChannels:40Frequency455 kHzFrequency Range:26.965~27.405MHzSensitivity:Less than 20 uVFrequency Tolerance:±0.005%RF Output Power:3.8 Watts■FM RADIO SECTIONModulationFrequency Range:88~108MHZCapability:80~100%IntermediateSpurious Suppression:More than 60 dBFrequency:10.7 MHzAntenna Impedance:50 ohms,unbalancedSpecifications subject to change without notice.Cobra Communications Product GroupDYNASCAN CORPORATION6460 W.Cortland StreetChicago,Illinois 60635