Panasonic SC-HTR310P Service Manual page 63

Step 4 : Detach FFC cable at the connector (CN106) on Main
P.C.B..
Step 5 : Detach FFC cable at the connector (CN2001) on
HDMI P.C.B..
Step 6 : Remove one side of the Rear Cabinet as arrow shown.
Be careful both side guides when removing the rear cabinet.
Step 7 : Lift up and remove the HDMI P.C.B. with the chassis
from the Rear Cabinet as arrow shown.
Caution : Take extra care for the catches on the Rear
Cabinet during removal and assembly of the HDMI P.C.B.
(with chassis).
Step 8 : Remove the Rear Cabinet as arrow shown.
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SC-HTR310P