TM 5-3610-253-14
k. Measurement display (SDA). Located on the top front of the machine behind the
top front cover plate. Receives +9 V from the power module rectifier circuits
(PMR), and logic signals from the IAR board. The inputs from the IAR circuits are
used to light six numeric LED displays. Table 5-15 shows indications and meanings of
each display. The board has one green LED indicator which, when lit, indicates that
the +9 V is being received from the PMR circuits. The LED-display also shows
error messages when a malfunction is present.
5-330
