DSB-120L Service Manual Brandname: Daewoo Category: Air Conditioner Total Pages: 62 Table of contents Contents21Specifications32OutlineandDimensions7OutdoorUnit8PartsofNameandFunction9IndoorUnitDisplay10OutdoorUnit11NameofEachButton12Temp13Off-Timer14SleepMode15EmergencyOperation16DehumidificationMode17Self-DiagnosticFunction184WiringDiagram19MainElectricParts205RefrigerantCycle226ControlBlockDiagram237ElectricCircuitDiagram24Description258TroubleShooting26Self-DiagnosticFunction28OnlyCompressorDoNotRun32PcbDrivingDescription33PcbCircuitDiagram34PowerSupply136Sensor337TriacDriving438RemoteController539MicomPowerSupply740Reset841BuzzerDriving1042ZeroCrossingDetect1143SteppingMotorDriving1244ALcdPanelTestFlowChart46Temp471U1Micom505U9Kia7042PResetIc52IndoorUnit53OutdoorUnit54ControlBoxAssembly60PowerCordAssY61