TM-5-5420-279-10
Launch Frame Electrical Control Enclosure MIMIC Panel Grid
9.3.2.1
Looking at the MIMIC panel as the chest pack is cycled through the functions, the
lights in the LEFT hand column of the grid will each illuminate in turn reflecting the
condition of the lights on the chest pack.
9.3.2.2
Using the chest pack select the build sequence at which the fault is evident. This
selection should be echoed on the LEFT hand column of the MIMIC grid.
9.3.2.3
Following the horizontal row associated with this function look at the cells that
contain a legend (see Table 9.3). The legend within each cell indicates that the
solenoid named on the top row directly above the cell should be activated during one
of several states.
9.3.2.4
For a particular function solenoids can be activated at different times, therefore the
legend refers to the state during which the solenoid is active.
Table 9.3 Legend/Meaning
Legend
Notes
This indicates that the solenoid is energized whenever the
ON
function is selected.
This indicates that the solenoid is energized only when the
IN/OUT
joystick is operating.
This indicates that the solenoid is energized only when the
IN
joystick is operated to give the IN function.
This indicates that the solenoid is energized only when the
OUT
joystick is operated to give the OUT function.
This indicates that the solenoid is energized only when the
DOWN
joystick is operated to give the DOWN function.
This indicates that the solenoid is energized only when the
UP
joystick is operated to give the UP function.
NOTE
All the Solenoid valve (SV) LEDs are either On/Off.
9.3.2.5
The proportional solenoids (PV), PV01a and PV01b are illuminated to a level which
approximates to the strength of signal applied. The higher the signal applied to the
proportional solenoid the faster the function will operate and the brighter the light will
glow. The signal varying with the amount of joystick movement from center.
NOTE
In the non-operated condition, the two lights PV01a and PV01b may glow slightly. This is
caused by a low pilot current feeding the solenoids to give smooth operation. When either
one of the solenoids is energized the light increases in brightness for one and the other
light will go out.
