Philips DVP1120 Service Manual page 18

Abnormal color of video picture
Abnormal color of
video picture
Yes
Check
27MHz output signal is
normal.
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
147,149,151,152,154 of U1 are normal
whether the
Yes
Yes
4-7
No
Check Y1, R13, C38 and C39
No
Check other of power supply electric
circuit
No
Correct the connection
No
Trouble shooting chart
change U1