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DISPLAY
MAP
PAGE
2
OF
10
004
-Probe
J2-M03
(-reverse dispIIlY).
Is
the
DOWN
light
on?
Y N
005
Defective
J2
(display) card.
Defective
REVERSE
DISPLAY swit<;h.
Check / replace display and contrql panel
cable (refer
to
210, 241).
006
-Remove the
J2
(display)
~card.
-Probe
J2-M03
(-reverse display).
Is
the
DOWN
light
on?
Y N
007
Defective
J2
(display) card.
008
-Reinstall the
J2
(display) card.
Defective
REVERSE
DISPLAY switch.
Check/replace display and contrQI panel
<;:able
(refer
to
210, 241).
009
-Press the
top
of
the
REVERSE
DISPLAY :;iwitch.
-Probe
J2-M03
(-reverse display).
Is
the
DOWN
light
on?
Y N
2
C
010
Defective
REVERSE
DISPLAY switch.
Check/replace display ano control panel cable
(refer
to
210, 241).
C
2
MAP
0500-2
011
-Press the bottom
of
the
REVERSE
DISPLAY
switch.
-Adjust the BRIGHTNESS control
to
the center
of
its range.
Is
the
5
inch
display
completely
dark?
Y N
012
-Attach a jumper from J2-P02 (-
I/O
display
off)
to
D08 (gnd).
Is
there
video
(any
black
image)
within
tJ'lfil
raster
area
of
the
5
inch
display?
Y N
013
(refer
to
240,
display
raster).
Is
the
raster
a
stable
white
background
of
the
correct
size and st"lape?
Y N
014
-Remove the jumper from J2-P02.
-Calibrate the
CE
meter (refer
to
270).
-Measure +12 vdc from J6-ED4
(+1
Z
vdc)
to
J6-C02 (gnd),
(refer to
241
display Z3
socke~
locations).
Is
the
voltage
in
tolerance
(+11.0
vdc
to
+13.2 vdc)?
Y N
015
Go
to
MAP
0700,
Entry
Point
A.
016
-Probe
J2-J02
(-external vertical sync).
Are
both
lights
on?
V N
28SEP76
PN
16083S9
88333
o E F G H
EC
829670
PEC
828851
MAP 0500-2
o
o
c
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