Atari CX 5200 Field Service Manual page 97

WARPED, RAGGED PICTURE TROUBLESHOOTING
Open between P in
A l and R22.
Defective A l or no
power or ground to A I .
Open between A5
Repair
Pin 25 and A l Pin 5.
CX5200 F ield Service Manual
Manually set 5200 on
power - up screen.
Is there a p-p signal
on the leg of R22 connect
+5
ed to Pin of A I ?
4
N o
Is there a +5V p-p
of
signal on Pin
4
4
N o
Is there a +5V p-p
Yes
signal o n P i n 5 o f A I ?
Is there a +5V p-p
signal on P in 25 of A5?
No
Swapout:
2) A2
I) A5
3) A3
4- A- 1 3
Yes
Is R22
Yes
at A I ?
ween R22
P in
&
4.
No
good?
Replace
or
R.F. module
be-
Repair
Changed by
ECN #00 3 6
6 / 2 1 /83