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CONTROL HAP
PAGE
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• Go to MIM section 5.3.4 to adjust the
image focus .
• Switch power OFF
~.
-If you cannot correct the problem, sea
Figure 4-7 and Figure 6-7 to check the
continuity of the FOCUS connection
through P26.
If the problem remains,
exchange the anal09 card then the video
card then the CRT.
GO TO MAP 0000. ENTRY POINT BB.
033
.Remove the jumper C2W09 to C2W28.
.Jumper C2W07 to C2W28.
(force white).
'Hold down the ALT key. press the TEST
key, release both.
The screen will be full of white
characters.
-Check convergence carefully allover the
screen.
Is the convergence good?
I
v
i~4TO
MAP 0600. ENTRY POINT A.
35
-Fit the alignment mask to the screen.
Is the image SIZE and SHAPE correct?
Y N
036
eRemove
jumpers.
.Go to MIM section 5.3.5 to adjust the
raster controls correctly (See also
Figure 1-4).
-If this corrects the problem,
GO TO MAP 0000. ENTRY POINT SB.
elf you cannot correct the problem,
GO TO MAP 0400. ENTRY POINT DO.
037
-Engage Intensity Override.
(Turn the
brightness knob fully counterclockwise.)
-look for a skip gap above and below the
separator line.
It should be 1-3 mm
(0.05-0.1 inches) wide.
See Figure 2-1.
Is the skip good?
I
v
i~8TO
MAP 0400. ENTRY POINT DO.
39
-Remove jumpers.
·Set the TEST/NORMAL switch to TEST.
-Engage Intensity Override.
(Turn the
brightness knob fully counterclockwise.>
Does the image appear as shown in Figure
2-1?
Y N
040
GO TO MAP 0300. ENTRY POINT A.
F
F
HAP 0100-4
141
-Release Intensity Override .
-Test the operation of the 0000/00 switch
as follows:
'Set the TEST/NORMAL switch to NORMAL.
.Hold down the ALT key. press the TEST
key, release both.
'Press keys / ENTER
ONLINE TEST 0 pattern (Figure 2-4) will
display.
.Set the 0000/00 switch to 00.
The color of the pattern should change so
that all characters become green except
the characters on line 2 which will be
white.
The separator line and characters
in the OIA remain blue.
Does this occur?
I
v
i~2TO
MAP 0500. ENTRY POINT A.
43
.Set the 0000/00 switch back to 0000.
Check that the A.a/A switch is set to A.a
eMove the cursor down a few lines and
press the
'Q'
key.
A
character
'q'
should appear.
'Set the A.a/A switch to A
The
'q'
will become
'Q' .
Does this occur?
Y N
044
'Switch power OFF
~.
-See Figure 6-8 to check for an open
'or
short circuit in the wiring to the
A,a/A
switch.
'Check the switch.
Exchange
any
failing
FRU.
-If no
failure is
found,
exchange logic
card D2.
GO TO MAP 0000. ENTRY POINT BB.
~
GO TO MAP 0800. ENTRY POINT FF.
04FEB81
HAP 0100-4
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