NO COLOR
(Autoprograming, Picture OK)
NO TELETEXT
Yes
Yes
Yes
Abnormal
Abnormal
48.~5.2V
Yes
Yes
NO
NO
OK
NO
NO
NO
Are the R-Y, B-Y signal of pin29, 30
of IC501 normal?
Are the R-Y, B-Y signal of pin31, 32
of IC501 normal?
Check/Replace IC501,
X501, X502
Check video signal pin9
of IC701
Check the 5V line to be
correct.
Check video signal at the
pin38 of IC501
Check the voltage 5V of
pin1 of IC805
Check/Replace IC501
Check/Replace IC701,
X701, L701, R702, C713
Check/Replace Q506,
Q1101, C709
Check I
2
C BUS lines
(SDA, SCL)
Check pin16, 17, 18, 20
of IC701
Check/Replace
D505~508, C516~518
Check/Replace IC502.
Check 12V line, R-Y, B-Y
line
Are R, G, B signal of pin19, 20, 21
of IC501 normal?
Check/Replace P901A, P901B,
IC901
Check/Replace IC501