Kenwood TH-77A Service Manual page 3

TH-77A/E
DISASSEMBLY FOR REPAIR
3. Disassembling the control unit
1) The panel is fastened by the claws of the sub-panel. Raise 3) Remove the volume encoder from the panel by holding its
the sub-panel by bending the two claws (@). rear edge.
2) Turn down the board by bending another two claws (@).
General exploded view of control unit
4) Overall disassembly should be made by following the order
@-~6@ as illustrated on the right.
4. Assembling the control unit
1) Hold the sub-panel as shown on the right and fit it inside the
panel! by aligning the heads of MIC/SP jacks to the holes in
the panel.
2) Push the PTT knob and control board into position.
3) Screw down the control unit, but after tightening the round
nuts of the volume encoder (for positioning purpose).