Atari CX - Page 142

?
I
Is unit being supplied
No Replace game cable
I
with +5VDC?
assembly.
#
Return to beginning
1 Yes
of Test Sequence
Does TP6 toggle low
(OV) when the ball is
moved
up and high
I I
I NO
I Yes
- -
a Page 7-21
Is TP8 low when the
No
Replace A3.
bail is not in motion?
b
NO
'
I (5V) when the ball is
I I
is spun?
moved down?
Yes
-
L
Are there 5V square
waves
at TP3 and
TP4 when the ball
Is there a 5V square
wave
at TP8 when
ball is spun? (Duty
cycle will
vary with
ball speed.)
r
Replace ~2.
-* dS
Page 7-20
CX5200 Field Service Manual
I
Is there 5VDC at
pin 13 of A3?
No
Page 7-17
I
L
Is there a 5V
square wave at pin
12 of A3 when ball
is spun?
Page 7-22
Swapout A3.
n
d
( Yes
Check
C6 and R6.
wave at TP8? component.
Return to beginning of Test Sequence