Philips DVP5980 Service Manual page 19

Abnormal color of video picture
Check whether the 27MHz
output signal is normal.
Check whether the 3.3V
and 1.8V power supply
voltages on the decoder
board are normal.
Check if the Y3 to Y6 signals on Pin
182 to Pin 187 of U5 are normal
Abnormal color of
video picture
Yes
Yes
Yes
Check whether the
video filter network
circuit is normal.
Yes
4-8
No
Check Y1, R53, R55, C48 and C49
Check other of power supply electric
No
circuit
No
Correct the connection
No
change U5
T rouble shooting chart