Philips DVP2851/55, Service Manual, Page: 22 / 37

4-8
Abnormal color of video picture
Yes
Abnormal color of
video picture
Check whether the 3.3V
and 1.2V power supply
voltages on the decoder
board are normal.
Check X3, R79,R6 ,C26 and C27
Check other of power supply electric
circuit
Correct the connection
Check whether the
video filter network
circuit is normal.
Yes
Yes
No
No
No
Check whether the 27MHz
output signal normal.
Trouble shooting chart
change U1
Yes
No
Check if the video signals on Pin
76/78/79/80 of U1 are normal