Kaypro 2 - 07-02.0.TIFF

Figure 7.3
Toshiba video l:xxrrd
HauZ<NrAL H<ID (KAYPRO 2/83 and
4/83 with Ultrcnix cnly)
'Ihese procedures should be per furmed to ad just
horizontal hold.
-
-
Focus
HWidth
Bnght
H. Hold I
V Hold I
Vert. Size I
V. Lin I
Attach one end of a test jumper to TP2 (test
PJint 2). Attach the other end of the jumper
to the heat sink at 03.
Adjust R43 (horizontal hold pot) until the
display either stops scrolling or almost stops.
(sometimes they don't stop scrolling
carpletely)
Disconnect the test jumper.
Adjust the horizontal deflection rings as
needed.
Figure 7.4
Yoke alignrrent
Oamp Screw
Locking Clamp
Adjust the frJcus pot until the edges and center
of the display image are in :fOcus.
To prolong the life of the CRI', the maximum
brightness obtainable should not be excessive.
I f the brightness is excessive, adjust the
brightness pot. I f the raster lines are
visible, the brightness pot should be adjusted
until they disappear.
ALIGnNG CRT Ya<E
Deflection Rings
Plastic Collar
*** CAtJrICN ***
HIGH VOLTAGE IS PRESENr AT THIS POINT
Lcosen the screw on the locking clamp (figure
7-4) .
Grasp the white collar on the rear of the coil.
Turn the collar in the direction required' to
square the display.
Turn the collar slightly past the alignment
p:>int, as it will turn back slightly when
released.
Tighten the locking screN.
7-2