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Atari CX - Page 93

Atari CX
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WARPED,
RAGGED
PICTURE
TROUBLESHOOTMG
I
Manually
set
5200
on
power
-
up
screen.
I
Open between Pin
4
of
Is
there
a
+5V
p-p
A
1
and
R22.
signal on Pin
4
at
Al?
I
J
No
r
A
Defective
A1
or no
Is
there
a
+5V
p-p
T
power or ground to
AL.
signal on Pin
5
of
Al?
2
Is
there a
+5
p-p
signal
on
the leg
of
R22
connect
ed to Pin
4
of
Al?
odule
or
L12
or open
be-
Repair
CX5200
Field
Service
Manual
No
L
Changed
by
ECN
M036
6/21
/83
Yes
,
1
4
[S
R22
good?
i
L
Open between
A5
pin
25
and
~1
pin
5.
Yes
4
1s
there
a
+5V
p-p
signal on Pin
25
of
A5?

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