TM9100 Service Manual Description 27
© Tait Electronics Limited August 2005
Main-Board
Assembly
The main-board assembly consists of the following components
(see Figure 2.3):
â– main board 1^ with SMT components, digital board D, shielding cans,
and connectors
â– heat-transfer block H
â– mounting and sealing elements for the connectors at the rear of the radio
body
Figure 2.3 Components of the main-board assembly
B
M3x10 screw (x3)
J
D-range screwlock fastener (x2)
C
50W/40W radios:
M2.2x10 PT screw (x2)
25W radios:
K30x8 PT screw (x2)
1)
power connector seal
1!
power connector
1@
gap pad (50W/40W radio only)
D
digital board
1#
hexagonal nut
E
internal options connector
1$
lock washer
F
auxiliary connector
1%
RF connector
G
inner foam D-range seal
1^
main board
H
heat-transfer block
1&
control-head connector
I
outer foam seal
J
B
1^
G
I
H
1)
1&
1#
1%
1$
F
E
1!
thermal
paste
x3
3631z_01
1@
C
x2
D