Atari CX - Page 62

Snowy Screen Troubleshooting
I
Is there +5 on Pin 3 of
the
RF Module?
.
Is C48 good?
(Do not short across)
I
yes Defective
I I 1) L13
2) RF Module or open I
1
between Pin 2 RF
module & VCC2.
No
'
I I
Is there +12 volts on
input of VR2?
Page 4-12 No
Does Pin 13 of
~29(~26)*
No
change between 13V
bc OV when S2
is pressed?
Page 4-1 1
Yes
Press S2 so that Pin
1 3 is high.
CX5200 Field Service Manual
I
r
Repair
I or
~e~lace
b
*U29 is chip designation
on PCB fCA018087
A26 is chip designation
on PCB #CA020108
If you are servicing a unit containing
PCB CA020 108, chip designators have
been changed from
U to A.