Tait TM8100 mobiles Service Manual page 28

Speaker
Concealed
Microphone
(Optional)
Space Frame
Seals
28 Description
1!
The speaker sits inside a round recess of the front panel assembly, where
a cloth membrane is fixed to the speaker grille. The speaker clamp
the speaker in position. The speaker cable plugs into the speaker connector
on the rear side of the control-head board
Note
In some configurations the speaker may be disconnected.
A concealed microphone
rubber seal can be fitted in a round recess inside the front panel assembly
The microphone leads are soldered to two pads on the top side of the
control-head board. Before the microphone is fitted, a small hole is drilled
in the recess to provide an acoustic path to the microphone. The hole is
covered by the rubber seal to ensure that the control head remains sealed to
IP54 standards. For more information refer to
Microphone" on page
The aluminium space frame
1^
assembly . The front side of the space frame holds the keypads, the LCD
assembly, and the speaker in place and at the same time allows access to their
electrical contacts. The rear side of the space frame has four through-holes
E
for the screws of the control-head board
C
the adapter flange . Two light pipes
space frame and direct light from LEDs on the control-head board to the
front panel. A slot at the top edge of the space frame allows the loom of the
1@
LCD assembly to run to the control-head board.
Two identical ring seals
space frame provide for IP54 class protection.
F
.
1%
consisting of the microphone capsule and a
519.
J
snaps into the three clips of the front panel
F
H
and
G
fitted to grooves around the perimeter of the
© Tait Electronics Limited November 2007
1)
"TMAA02-07 Concealed
and two screw bosses to fit
I
are fitted in recesses in the
TM8100/TM8200 Service Manual
holds
1^
.