Figure 13.1
Identifying the boards and cards in the PMU
top view
auxiliary power supply board
DC converter board
bottom view
AC converter board
AC and DC PMU shown
218
Power Management Unit Fault Finding
AC converter board
standby power supply card
DC converter board
© Tait Electronics Limited September 2006
PFC control card
battery control card
HVDC control and
microprocessor card
DC control card
TB8100 Service Manual