Panasonic EB-GD55 Service Manual page 22

<Step 6>
8 Remove the receiver gasket.
<Step 7>
8 Pull out the MIC holder and MIC unit from the PCB Ass'y.
<Step 8>
8 Remove the vibrator unit.
Vibrator unit
Receiver gasket
MIC holder
MIC Unit
– 4–2 –
<Step 9>
8 Remove the speaker unit.
Speaker unit
<Step 10>
8 Narrow gap between hook by using the tweezers.
Then remove the Antenna top.
<Step 11>
8 Narrow the gap between hook by using the tweezers.
Then remove the battery knob. Do not lose the spring.
Spring
Battery knob