Panasonic KY-B84BXBXD Service Manual page 57

10.4.11. P.C.board base
1. Remove screw B (5 pcs) from the P.C.board base.
Screw B: Pan Head Deltite Screw 4+10
2. Remove the P.C.board base.
10.5. Checking after assembly
Checking ground line
1. Check to confirm that there is an electrical connection between the ground line of power cord and the side plates.
The electric connection between those parts must be ensured.
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