Lock Function; Cautions To Be Taken During Servicing - Panasonic SA-HT830VP Service Manual

10.4. Lock Function

This function prohibits removal of disc and some disc operations to prevent loss of disc at a shop during sales promotion or
equivalent occasions. While this function is activated, the player displays "LOCKED" if any button is touched.
10.4.1. Setting
While pressing and holding down the "STOP" key on the unit, press the POWER button on the remote controller unit to activate.
(The message, "LOCKED" appears when the function is activated.)
10.4.2. Exiting Lock Function
While the lock function is activated, press the buttons which are used to enter the mode in the same manner. (When the lock
function is deactivated, the message, "UNLOCKED" appears.) (This function cannot be cancelled even when the power is turned
off.)

10.5. Cautions To Be Taken During Servicing

10.5.1. To Exit Ageing Mode
To exit ageing mode, press [POWER] button. The unit will power down. Do not unplug the power cord until FL display
shows "BYE". This is to avoid tray jam problem.
10.5.2. Recovery Process after Repair of DVD Player
When DVD Module 2 P.C.B and/or FLASH ROM, EEPROM, etc. inside DVD Module 2 P.C.B, apply the recovery operation in order
to optimize the new drive. Use the following disc so that the operation starts automatically.
Recovery disc (product number=RFKZD03R005)
Note:
Previously required initialization after repair of DVD player is no longer necessary. After completing the recovery process, the
user´s setting is replaced with factory setting like user initialization. Therefore, record the user´s setting before repair in order
to restore it after applying the recovery process.
10.5.3. 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 and restart version upgrade. Version upgrade disc number is informed when
ordered.
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SA-HT830VP / SA-HT830VPC