III.2B Testing the Board & Screen – screens with chips on BACK
The following steps are for the current Sure screens which have the chips
and selector switch on the opposite side of the board as the LEDs.
A)
With the screen facing down, so the LEDs are not showing, ensure CS1, (pin
1 of SW1) on the screen is flipped to the up/on position and pins 2, 3, and 4
are all flush down.
21
Bundle one loop of
excess ribbon
cable with the zip
tie provided
Ensure CS1, pin 1
of SW1, on the
screen is flipped to
the up/on position
and
p
ins 2,3,4 are
all flush
down.
