-1-Samsung Electronics Co., Ltd Service ManualManagement Guideline for Service Manual SP-C501RThis service manual contains important technical data on Samsung's products, so it may not bereproduced or distributed without our prior written consent. Please be careful to keep it safe fromgetting lost and stolen.[Explanations on the Abbreviated Words Used in this Manual]AbbreviationsAFBPFCOMPUID-CODEIFLDLNLNAMCFPABXPCBPLLRFSAWTCXOAudio FrequencyBand Pass FilterCentral OfficeMicro Processor UnitIdentification-CodeIntermediate FrequencyLock DetectorLine Engage/DisengageLow Noise AmplifierMonolithic Crystal FilterPrivate Automatic Branch ExchangePrinted Circuit BoardPhase-Locked LoopRadio FrequencySurface Acoustic WaveTemperature Compensated X-tal OscillaterDefinition