Casio QV-3000EX Service Manual & Parts List page 37

19-3. Black wire
20. D PCB is removed from Lower case.
21. Peel off the cloth on J frame.
22-1. Remove two screws (BT3 panhead 1.7x5.0 Ni)
from J frame.
First screw
22-2. Second screw
23. Remove J frame.
24. Disconnect cable (SJ PCB/ CN100).
25. Remove one screw (BT3 panhead 1.7 x 5.0 Ni)
from Battery frame.
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