Atari 2600 - Page 53

Black or Solid Colored Screen Troubleshooting (Continued)
a
I
Is 4-5v p-p
d
. No
Open trace
d2 signal I between pin 26
present on.
A201 and pin 39
pin 26 A201? A202.
L b
Yes
Is there +5v and
No
ground on all of
Open on line
I I
AZOO, A201, A202, to +5 or ground. t
A203?
I
I
Reset and ready
lines good?
Open or shorted line.
t
Swapout
1) A200
2) A202
Does unit operate
Pg* 4-45
properly?
Repair
n
Pg. 4-2
2600/2600A Domestic VCS