Samsung RF265AB Service Manual

Also see for RF265AB: User manual User manual Quick start guide User manual User manual

54TROUBLESHOOTING2) If R Sensor has troubleBad contact of connector/ insert correctlyIs MAIN PCBConnector CN30 to CN75 insertedcorrectly?Is R Sensorunit normal?Is the voltage betweenMAIN PCB Connector CN30#6(White) toCN1#3(Black) normal?Is the input voltage toIC01 MICOM #54 normal?StartNOYESYESYESYESReplace the temperature sensorNORecheck the wire connection partNO(0.6V > Measurement < 4.6V)Check the iced-solder, solder bridging,disturbed solder.NONo trouble with PCB and temperature sensor.Recheck the bad contact of the connection.** Measuring point of resistance value according toSensor **R : CN30#6 ® CN75#1 measuring resistance value** 0ʃ: Short trouble / ʃ: Open troubleSensor MICOM/Connector numberVoltage measured between 4.6V ~ 0.6V.Measuring voltage IC01 MICOM #54,CN30#6(White) and CN1#3(Black)from PCB typical Ground part are similar.ó Checking method of R Sensor resistanceCN30#6(White) ® CN75#1(Gray) Compare thetemperature table after the measure.DATA1.Temperature tableERROR CodeRefer to circuit diagram in the manualR Connector CN30#6(White) toCN1#3(Black) PCB typical Groundó Checking method of R Sensor resistance- Measure the voltage of Sensor Check Point #3(IC01 MICOM #54)on PCB or CN30#6(White) ® CN1#3(Black)- Compare the temperature table after the measure.Measuring voltage of CN30#6(White)°ÍCN1#3(Black) are below. typical PCB GroundCN#3(Black)