Atari 2600

Bad Video Troubleshooting
procedure KO Bad switchboard
identify bad.
I
DotJ A203 have No Repair open trace. Yes
pod Va (+Sv at
-
Das unit now have
'
pin 8) and ground
a picture?
(at pin 1 I? '
b
I
k a b5v pg
signal pmcnt
Rcpke A203.
at pin S of A203?
pattern an the N?
Cheek R221, Is it Replace RZ21 I
OK? (33K)
b
I Yes
Chcck that
the trace line
from A201 pin 2
is not droned
1 toanother Line.
1s a picwe
now pmmt on
0 Pg. f6-4
Pg. 4-2
I r
Yes
Yes
2600/2600A Domestic VCS
Is a picture No
now present on -
the TV?
No
-
Swapout
1) A200
2) A202
b a picture now
present on the N?
h
-