Initial Checks; Figure 13.2 Recommended Test Equipment Set-Up For Initial And Dc Checks - Tait TB8100 Service Manual

13.6

Initial Checks

Figure 13.2 Recommended test equipment set-up for initial and DC checks
222 Power Management Unit Fault Finding
You can use the TB8100 Service Kit to check the basic operation of the
PMU without removing the covers.
To check whether the PMU powers up correctly, produces the correct
output power, or generates any alarms, carry out
To carry out additional checks using the Service Kit, go to
Note
If you are testing an AC and DC PMU, carry out these checks for
both supplies.
In this section voltages are given first for a 12V PMU, followed by voltages
in brackets for a 24V PMU ( ) and a 48V PMU [ ].
DC AC
connected within subrack
PMU
DC DC
system control bus
PA Reciter
Subrack
Interconnect
Board
Control
Panel
RS-232
PC
© Tait Electronics Limited September 2006
Task 1 to Task 4.
Task 5.
TB8100 Service Manual