Panasonic DMR-BWT955GL - Caution for Replacing Parts; Items that should be done after replacing parts; Notice after replacing Digital P.C.B. or BD Drive

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10.2. Caution for Replacing Parts
10.2.1. Items that should be done after replacing parts
10.2.2. Notice after replacing Digital P.C.B. or BD Drive
Formatting the HDD is unnecessary after replacing Digital P.C.B. or BD Drive.
[TM AV1] is displayed, once power OFF, and power ON again.