Philips DVP3880K/55 Service Manual page 24

Abnormal color of video picture
Abnormal color of
video picture
Yes
Check
27MHz output signal
Yes
Check whether the 3.3V
and 1.8V power supply
voltages on the decoder
board are normal.
Check whether the
video filter network
circuit is normal.
Check if the video signals on Pin
98,100,101,102, of U1 are normal
whether the
Yes
Yes
4-8
No
Check Y2, R20,R27,C22 and C23
No
Check other of power supply electric
circuit
No
Correct the connection
No
change U20
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