140 Disassembly and Reassembly TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
Disassembling the
Main-Board
Assembly
The circled numbers in this section refer to the items in Figure 5.4 on
page 141. This figure shows the >25W configuration.
1. Remove the power connector seal
I.
2. Use a torque-driver with a 3/16 inch (5mm) socket to remove the
D-range screwlock fasteners
H.
3. Use a torque-driver with a 9/16 inch (14mm) long-reach socket to
remove the RF connector nut
1!. Also remove the lock washer 1@.
4. Use a Torx T10 screwdriver to remove the three screws
b securing
the main board
1$ to the heat-transfer block F.
Note Make sure not to touch the thermal paste on the heat-transfer
block and the underside side of the main board. If the thermal
paste is contaminated, you must re-apply thermal paste as
described in “Reassembling the Main-Board Assembly” on
page 143.
5. Separate the main board
1$ from the heat-transfer block F.
6. Inspect the inner foam D-range seal
E and the outer foam seal G,
and replace if necessary.
7. The gap pad
1) (>25W radio only) must be replaced each time the
heat-transfer block is separated from the main board.
8. To replace the power connector
J:
■ With the >25W radio, use a Torx T6 screwdriver to undo the two
screws
C.
■ With the 25W radio, use a Torx T10 screwdriver to undo the two
screws
C.
>25W
25W>25W
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