Panasonic KX-TG3711BXB Service Manual page 43

11.1.2. Handset
Remove the 2 screws.
Insert a plastic card.
(Ex. Used SIM card etc.)
between the cabinet body
and the cabinet cover, then
pull it along the gap to open
the cabinet.
Likewise, open the other
side of the cabinet.
Remove the cabinet cover
by pushing it upward.
Remove the solders and tape.
Remove the screw to remove
the main P. C. board.
KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX
2 screws
Cabinet body
Cabinet cover
Cabinet cover
Screw
Solders and
Tape
43