Panasonic SA-HT650P Service Manual page 33

Step 1 : Cut out the connections located on the bottom cover. (6 points)
[Caution] The bottom cover is reused after replacement. Take care, not to lose it.
Step 2 : Bent the cut portion on the bottom cover.
Step 3 : Remove solder on Power IC.
Step 4 & 5 : Remove all the screws.
Step 6 : Remove Detach Holder.