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1A1
•
Pr i mary power cord
plugged in.
•
Power switch turned
on (Pull).
•
Turn Bri ghtness contra I
to maximum (full
clockwise).
•
Turn power off •
•
Open side covers
(5.3.1).
e
Check for loose or
poor connector ot
A-AIZ3.
e
Check for loose
connector on anaiog
card.
•
T urn power off •
•
Change analog card
(Mod
1, 5.3.3.3;
Mod 2,
5.3.3.4).
•
Power on and adjust
(5.2.1).
Yes
• T urn power off .
• Remove feature card(s).
A2, 82, M2. N?
• T
urn power on.
•
Turn Brightness control
to minimum (fully
counterel ockwise).
•
Press and hold INTEN
CRT switch.
•
Turn Brightness control
toward maximum.
Sheet
4
Diagram 4-1. Display Station Troubleshooting Diagrams (Sheet 2 of 29)
No
•
Compare display with
Diags
3-19
to
3-23.
•
Release INTEN CRT
switch.
•
Turn pawer off.
•
Replace feature card(s)
A2, 82, M2, N2.
•
Chonge analog card
(Mod 1, 5.3.3.3
Mod 2, 5.3.3.4).
•
Power on and adjust
(5.2.
n.
Yes
Sheet 4
Yes
Yes
•
Turn power off.
•
Replace feature card(s)
A2, 82, M2, N2.
•
Change analog cord
(Mod I, 5.3.3.3;
Mod
2, 5.3.3.4).
•
Power on ond adjust
(5.2: I).
•
Tu"'" pawer off.
•
Change yoke
(5.3.3.2).
• Adjust
(5.2.1).
•
Replace feature card(s)
A2, 82, M2, N2.
•
U~
check procedure
(5.1.2)
to verify
all
functions are normal.
Sheet
3
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