Panasonic SA-AK270EB Service Manual page 45

Make sure it is well tighten to prevent overheat.
Note: Use a blower to remove the minute particles that might
caused left on the TR Spring.
9.21. Disassembly of Main P.C.B.
Follow the (Step 1) - (Step 5) of Item 9.4
Follow the (Step 1) - (Step 7) of Item 9.5
Follow the (Step 1) - (Step 5) of Item 9.19
Step 1 Detach 27P FFC cable at connector (CN2806) at Main
P.C.B..
Step 2 Detach 21P FFC cable at connector (CN3200) at Main
P.C.B..
Step 3 Detach 22P FFC cable at connector (CN2011) at Main
P.C.B..
Step 4 Detach 10P FFC cable at connector (CN2807) at Main
P.C.B..
Step 5 Detach 2P wired cable at connector (CN2001) at Main
P.C.B..
Step 6 Detach 11P wires cable at connector (CN5802) at
SMPS P.C.B..
Step 7 Remove 2 screws.
45
SA-AK270EB / SA-AK270EG