Panasonic TH-37PA20AA Service Manual page 297

3. Remove the PA module.
A. Remove the couplers (PA2, PA3, PA4, PA6, PA8, PA9, PA10,
PA12) connected to the PA module.
B. Remove the PA module fastening screws (×6) and remove the
PA module.
4. Remove the D module.
A. Remove the coupler (D3) connected to the D module.
B. Remove the flexible cables (D31, D32) connected to the D
module.
C. Remove the D module fastening screws (×4) and remove the D
module.