11
3. DISASSEMBLY
Note :
Be sure to switch off the transceiver's power before
disassembling it. And then remove an antenna and
a battery pack.
3.1 Removing the Diecast frame
(a) Remove the single screw
A
to remove the Mic/Spk
jack cover.
(b) Remove the single nut
B
, and remove the power/volume
and channel knobs.
(c) Remove the two screws
C
.
Figure 3-1
Power/volume knob
Channel knob
B
Antenna ring
A
Mic/Spk
jack cover
C
(d) Pull the diecast frame up from front case in the
direction indicated by arrow
q
, and remove the it in
the direction indicated by arrow
w
.
Figure 3-2
Diecast
frame
Front case
2
1
Summary of Contents for HX290U
Page 33: ...9 BLOCK DIAGRAM 32...
Page 34: ...33 10 SCHEMATIC DIAGRAM 10 1 HX290UKA131...
Page 35: ...34 10 2 HX290UKA191...
Page 36: ...35 10 3 HX290UKA181...
Page 37: ...36 10 4 HX290UKA111...
