Atari CX 5200 Field Service Manual page 98

Manually set unit onto
colo r bars pattern.
Is frequency of Y 1
3.5795.
Does Pin 1 7 of A5
adjust between 0 and
6 volts when R8 is
adjusted?
With Pin 1 7 of A5 ad­
justed to 6V is there a
4 volt p-p signal on pin
2 1 of U5?
Is there a 2 volt p-p
signal between C 1 l
&: R28?
C X 5 200 Field Service Manual
COLOR TROUBLESHOOTING
No
Yes
No
Yes
No
Yes
No
Defective C 1 1 or
open C l l to A5 Pin 2 1 .
4 A- 1 4
Replace Y l
Defective
1 ) R8
2) C R2
3) CR3
Defective
1 ) A5
2) C l 1
F
Repair
or
Replace