IBM System/32 Introduction And Maintenance Manual page 259

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5.4.4 MAP/Diagnostic Test Display
Patterns (2 of 8)
The vertical patterns on this page show the dis-
play when the vertical 1, vertical 2, or vertical
4 lines are open or grounded. The only differ-
ence in the display between ground or an open
would be the position of the display on the
screen.
Normal raster with intensity up and no
characters displayed.
-' " "' "
Figure 6
."'\
Vertical 1 (display signal cable pin B02) is
open or grounded.
Figure 7
~
~
\
.J:JI.
,ll
u.A
.iA
AA
~
Vertical 2 (display signal cable pin B03) is open
or grounded .
Figure 8
Vertical 4 (display signal cable pin B04) is
open or grounded.
•.. , '.M
:::::::n((n::r;rrr:n::::rrllr;r:::IIll!U::::::::::::I::a
IIInl,JUOI;;IIIII;:~1I
1lD)))II!!!I]]I]III]II]))IIIIIIlI]JJIIIIIII]]))))lD))11I
1111111111111111111111111111111111111111111111111111111IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII~
Figure 9
Display Unit
5-9

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