104 Reciter Board Replacement TB8100 Service Manual
© Tait Electronics Limited September 2006
5.1 Replacing the System Interface Board
Important You must reprogram and recalibrate the reciter after replac-
ing the system interface board. Refer to “Reprogramming
and Recalibration” on page 105.
Refer to “Reciter Disassembly and Reassembly” on page 99 for details on
removing and refitting the covers and front and rear panels. The circled
numbers in the following instructions refer to Figure 5.1 on page 106.
Compatibility When fitting a replacement system interface board, you must make sure the
new board is compatible with the firmware version loaded into the reciter,
as described in the following table.
Removal 1. Remove the digital side cover and rear panel.
2. Disconnect the flexible connector to the digital board
b from the
socket on the system interface board.
3. Remove the M3 Torx screws securing the board to the heatsink.
4. Carefully lift the board upwards off the locating pins
c and remove
it from the heatsink.
Refitting 1. To refit the board, follow the removal instructions in reverse order.
Important Make sure the insulator sheet is correctly positioned and flat
on the heatsink. Although this sheet is an electrical insula-
tor, it is also thermally conductive and must allow the board
to sit as flat as possible to provide effective heatsinking.
Operating the reciter without the insulator sheet in
place will result in permanent damage to the digital
or system interface boards.
Important Make sure the flexible connector is correctly positioned and
latched in its socket, as shown in Figure 5.2 on page 107.
System Interface Board
Compatible Reciter
Firmware Versions
standard, isolated, isolated E&M, and TaitNet:
version 1 and later 02.02 or later
TaitNet RS-232 02.02 or later
TaitNet Ethernet 03.00 or later
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