Panasonic DVD-RV22PP Service Manual

9.2.2. Updating firmware1. Load the recovery disc RFKZD5TR006 on to the player and run it.2. Firmware version of the player is automatically checked.Appropriate message appears whenever necessary.3. Using remote controller's cursor key, select whether versionupdating is to be done or not. (Selection of Yes/No)4. a. If Yes is selected, version updating is performed.b. If No is selected, only recovery is performed.5. a. When updating is finished, remove the disc according to themessage appearing on the screen.b. Remove the disc according to the message appearing on thescreen.6. Turn off the power.9.3. Fault diagnosis using new self-diagnosis functionThe 5th generation DVD players have the additional new service modes as described above tofurther reinforce the diagnosis function.These new functions are unable to bring sufficient results when they are used alone.Effective fault diagnosis can be expected when multiple diagnostic methods are properlycombined in accordance with the servicing procedures depending on specific fault status.* New servicing procedures are now under study to match with the newly developed self-diagnosis functions introduced here.Details of the new servicing procedures will be informed from time to time.1. Cumulative operation time display functionFor spindle motor and DVD/CD laser, the cumulative operation20