Atari CX - Page 57

alack Screen Troubleshooting (Cont.)
I
b
Defective VRl or
Is there approximately yes
output short to
11-1
3V on the input of
ground (possible
-
VRl? chip)
No
A
Is there approximately N~ Defective J1 or open
0 V on pintaof the
between pointaof
schematic?
VR2 & point@of ViZl
(with cartridge in).
I
b
Defective
2) R57
Rep air
P
CX 5200 Field Service Manual
If you are servicing a unit containing
PCB CA020 108, chip designators have
been changed
from U to A.