Panasonic SA-VK725DEE, Service Manual

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13.9. Things to Do After Repair
Follow the procedure described below after repair.
1. While the power is on, press the
button to close the tray.
2. Press the power button to turn off the power.
3. Unplug the power cable.
Note:
It is prohibited to unplug the power cable while the tray is opened and to close the tray manually.
14 Cautions To Be Taken During Servicing
14.1. Recovery after the dvd player is repaired
· When Flash ROM or DVD Module P.C.B. is replaced, carry out the recovery processing to optimize the drive. Playback the
recovery disc to process the recovery automatically.
·
Recovery disc (Product number=RFKZD03R005)
· Performing recovery
1. Load the recovery disc (Product number: RFKZD03R005) to the player and run it.
2. Recovery is performed automatically. When it is finished, a message appears on the screen.
3. Remove the recovery disc.
4. Turn off the power.
14.2. DVD Player Firmware Version Upgrade Process
Firmware of DVD player may upgrade to conform to improvement of its performance and quality including operational range,
playability of non-standardized discs, etc. The version upgrade disc contains the recovery function, and the recovery disc is not
necessary.
Note:
Version upgrade process cannot be complete if the AC power is cut off due to power failure and other occasions during the
process. If this occurs, replace FLASH ROM IC and restart version upgrade. Version upgrade disc number is informed when
ordered.
14.3. Firmware Version Upgrade Process by Using Disc and Recovery
Process
· Recovery process
· Firmware version upgrade process
Both of the above procedures automatically start when the recovery disc is replayed.General CD-R disc allows version upgrade
process and recovery process, making version upgrade through disc simple.
Recovery process: Optimization process of player after replacement of FLASH ROM, EEPROM, or module circuit board
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