Philips DVP3000K - Page 18

4-8
Abnorm al color of video picture
Yes
Abnormal color of
video
p
icture
C heck w hether the 3.3V
and 2.5V pow er suppl
y
voltages on the decode
r
board are normal.
C heck Y1, R 56, R 56, C 39 and C 40
C heck other of pow er supply electric
circuit
Correct the connection
C heck w hether the
video filter network
circuit is normal.
Yes
Yes
No
No
No
C heck w hether the
27M H z out
p
ut si
g
nal is
Trouble shooting chart
change U3 or U14
、
U15
Yes
No
Check if the Y1 to Y6 signals on Pin164
to Pin 173 of U3 are normal
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