Panasonic HDC-SD5PP Service Manual page 16

CAUTION-1. (When servicing JACK PCB)
1. Be sure to discharge the capacitor on JACK PCB.
Refer to "HOW TO DISCHARGE THE CAPACITOR ON JACK PCB".
The capacitor voltage is not lowered soon even if the AC Cord is unplugged or the battery is removed.
2. Be careful of the high voltage circuit on JACK PCB.
3. DO NOT allow other parts to touch the high voltage circuit on JACK PCB.
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