Panasonic SA-VK680EE Service Manual

286.4.2. Service Mode Table 2FL Display Key OperationFront KeyItemDescriptionMode NamePress [FL Display] onremote control unit for nextpage. (FL Display)Cancelled automatically5 seconds later.CD laser drivecurrentmeasurementIn STOP (no disc) mode,press [STOP] button onthe main unit, and [3]button on the remotecontrol unit.CD laser drive current measurement.CD laser drive current is measuredand the result is displayed togetherwith the initial value stored in theEEPROM IC.After the measurement, CD laseremission is kept on. It is turned offwhen POWER key is switched off.FL Display sequence:Display 1 2.CD Laser CurrentMeasurement ModeCDLaser InitialValueCD LaserValueThe value denotes the current in decimalnotation.The above example shows the initial currentis XXXmA and the measured value isYYYmA.DVD laserdrive currentmeasurementPress [FL Display] onremote control unit for nextpage (FL Display) on valuesof dvd drive current.Cancelled automatically5 seconds later.(Display 1)(Display 2)(Display 1)(Display 2)In STOP (no disc) mode,press [STOP] button on themain unit, and[FUNCTIONS] button onthe remote control unit.DVD laser drive current measurement.DVD laser drive current is measuredand the result is displayed togetherwith the initial value stored in theEEPROM IC.After the measurement, DVD laseremission is kept on. It is turned offwhen POWER key is switched off.FL Display sequence:Display 1 2.DVD laser currentmeasurement modeDVDLaserInitial ValueDVDLaserValueIdentify asLDD modeThe value denotes the current in decimalnotation.The above example shows the initialcurrent is XXXmA and the measuredvalue is YYYmA.