Panasonic SA-BTT775GA Service Manual page 62

Step 2 Lift up the Operation Button P.C.B. as direction of arrow.
Caution: During assembling, ensure that Operation Button
P.C.B. is properly located & fully fixed onto Front Panel.
Step 3 Release 3P Wire from wall & ribs of Front Panel.
Caution: During assembling, ensure that 3P Wire is prop-
erly dressed in between wall & ribs of Front Panel as dia-
gram shown.
Step 4 Desolder pins of the connector (H6001) on Operation
Button P.C.B..
Step 5 Remove the Operation Button P.C.B..
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