Advertisement
VIDEO OUTPUT RPQ MAP 1000
PAGE
1 OF
5
ENTRY POINTS
FROM
ENTER THIS MAP
MAP
ENTRY
PAGE
STEP
HUMBER
POINT
NUMBER
NUMBER
0000
A
0200
BB
001
(ENTRY POINT Al
'Switch power OFF
~.
-Wait at least 10 seconds.
'Switch power ON
m .
001
026
• If the fault appears on the 3279 display
as well as the attached video devices,
returp to tha General Failure Index to
detern.;ne the correct MAP entry point.
'Ask the customer to detach any attached
video devices.
'Note the settings of the VIDEO CONTROL
and SYNC POLARITY switches (on tha rear
panel) .
'Set the VIDEO CONTROL switch to NORMAL or
ENHANCE.
'Check that the 3279 is connected to a
control unit.
'Set the TEST/NORMAL switch to NORMAL.
'Set the 00/0000 switch to 0000 .
• Turn the BRIGHTNESS knob fully clockwise.
-Wait at least 1 minute or until an image
appears on the 3279 screen .
• Turn the BRIGHTNESS knob until the screen
brightness is acceptable .
• Hold down the ALT key, press the TEST
key, release both ..
Does 'TEST' appear in the Operator
Information Area (DIAl?
Y N
002
Is the seperator line visible?
Y N
003
IS
the video control sHitch set to
TEST?
Y N
004
'Check that the wiring of the VIDEO
CONTROL switch is not reversed.
'Sea Figure 6-13.
Is
wiring OK?
j
y
;~~re
the switch correctly.
~~T~~ ~~~~T5FF~TEP
057,
06
-Exchange logic card C2.
Has the problem gone?
I i
2 2 2 2 2
ABC D E
Copyright IBM Corp 1981
MAP 1000-1
EXIT POINTS
EXIT THIS MAP
TO
PAGE
STEP
MAP
ENTRY
NUMBER
NUMBER
NUMBER
POINT
5
057
0000
BB
2
014
0500
A
2
012
0700
EE
04FEB81
MAP 1000-1
Advertisement
