Atari 2600 Field Service Manual page 100

2600A Diagnostic Flowchart
(Continue?)
Pg. 6-7
- Are color bars
Are color bars
present?
.Yes
properly adjusted? Pg. 6-6
(See Figure 4-21.
(See
Figure 11-21
4
h
No
I s any other test
Check your No
pattern on the
,
Yes
switch seeings.
screen? Are they correct?
( S e e
Figure
4-4,
44,409).
1
Yes
Check VCS
'
connections
to N and
cfiannel setting.
I
Test VCS
with
known
-
good
battery eliminator.
I
present on screen?
Pg. 6-10
2600/2600A D o m e s t i c
V C S
I
IS -"snow" on
screen gone?
Yes
r