Control Board - Tait TB8100 Service Manual

8.8

Control Board

148 Power Amplifier Fault Finding
These checks will verify that:
the PA powers up and transmits without raising any alarms
the DC supply voltages are correct
the correct voltage levels are present at selected test points.
Figure 8.10 on page 153
board. Refer also to Table 8.1 on page 154
associated voltage levels.
The recommended test equipment set-up is shown in
page 149 (28V PA) and
Note
If the reciter is fitted with a TaitNet RS-232 system interface
board, connect the PC directly to the reciter (refer to
on page 73).
Note
If the reciter is fitted with a TaitNet Ethernet system interface
board, and the PC is connected to the control panel, run the Serv-
ice Kit and connect to the base station, then power up the base sta-
tion. Refer to TN-1142-AN for full Ethernet connection details.
shows the location of the test points on the control
for a list of test points and their
Figure 8.9 on page 150
© Tait Electronics Limited September 2006
Figure 8.8 on
(12V PA).
Figure 3.2
TB8100 Service Manual