Philips DVP3140 Service Manual page 18

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 video signals on Pin
147,149,151,152,154 of U1 are normal
Abnormal color of
video picture
Yes
Yes
Yes
Check whether the
video filter network
circuit is normal.
Yes
4-8
Remark: Trouble shooting chart for
No
Check Y1, R13, C38 and C39
No
Check other of power supply electric
circuit
No
Correct the connection
No
change U1
Trouble shooting chart
DVP3140/XX