Pokey Adjust - Atari CX 5200 Field Service Manual

NOTE:
Figure 3-3
is
a black and white representation
of a colored screen.
Figure 3-3.
Any
Video Test Screen
If
the
Any
Video
test
fails,
swapout
U3, U5.
POKEY
ADJUST
•
Purpose:
To check
the
value
of the pot line for the controller ports.
•
Format:
Adjust
R132
to
make
the
value
in
Port
1,
HOR
position
read 112
+
1.
All
other values should read between 100 and
124.
CX5200
Field
Service
Manual
3-7