Panasonic HDC-SD90EB, Service Manual

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6.5. Erasing the lock histories
Touch the [ 10 ] of LCD, select erasing the lock histories execution.
Operation specifications
Indication contents
• Erasing the error histories stored in EEPROM. (working time is not erased)
Press the power button and turn off.
6.6. Erasing the internal media management information
(HDC-TM90/TM99 only)
Touch the [ 11 ] of LCD, select erasing the internal media management information for fast boot stored in flash memory.
Operation specifications
Indication contents
• The fast boot management informations of the internal media are stored in the flash memory.
The following cases, be sure to implement for protection of customer's recorded data.
However, if there is no problem to delete customer's recorded data, erasing the internal media management information is not
required.
• Case1:
When replacing the flash memory chip (IC3402) or replacing the MAIN P.C.B. Unit.
Before checking the operations after replacing the parts, erasing the internal media management information.
• Case2:
When replacing the ESD P.C.B. Unit.
Before replacing the ESD P.C.B. Unit, erasing the internal media management information. then replace it new one.
CAUTION:
When turning the unit on after performing the above operation, the internal media management information is stored into the unit,
the playback of the recorded data is normally.
When not performing the above operation, the customer's recorded data will disappear.
Press the power button and turn off.