Panasonic SC-TM900DVD, Service Manual

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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
Version upgrade process: Renewal of firmware for improvement of operational range and performance
15.4. Using Recovery Disc
15.4.1. Recovery Process
1. Insert the recovery disc (RFKZD03R005) to the player to replay.
2. The recovery process automatically starts, and a message of completion prompts on the screen.
3. Remove the disc.
4. Turn off the power.
15.4.2. Version Upgrade Process
1. Insert the recovery disc to the player to replay.
2. The version of player is automatically checked and prompts if necessary.
3. Select version upgrade process using the cursor keys on the remote controller unit. (Select YES or NO)
4. a. If YES is selected, the process starts.
b. If NO is selected, only the recovery process is applied.
5. a. When the version upgrade process is complete, a message of completion appears on the screen. Remove the disc.
b. Follow the instruction appearing on the screen, and remove the disc.
6. Turn off the power.
15.5. Total Usage Time Display
1. Details of Operation/Display
Keys for Operation:
Laser usage time: While the player is stopped and no disc is inserted, press both the
button on the player and the
button on the remote controller unit.
Spindle motor usage time: While the player is stopped and no disc is inserted, press both the
button on the player and
the button on the remote controller unit.
To reset the usage time, while the usage time is displayed:
Laser usage time: press both the
button on the player and the button on the remote controller unit.
Spindle motor usage time: press both the button on the player and the button on the remote controller unit.
2. Purpose of Use
To obtain reference data of laser and spindle motor systems during failure diagnosis.
To check faulty parts during re-repair.
15.6. After replacement of DVD Module
Below steps is to be performed after changing of DVD Module
1. Press on remote control while pressing “STOP” on main unit.
2. FL will display “INITIALIZE”.
3. Press “STOP” & “ENTER” on remote control (For reset of unit)
4. FL will display “DVD RESET” before change to TOC reading again.
5. Power off the set. Unplug AC cord & wait for few seconds.
6. Plug in AC cord & power on set.
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