4-8

Abnormal color of video picture
Yes
Abnormal color of
video
p
icture
Check whether the 3.3V
and 1.8V power supply
voltages on the decoder
board are normal.
Check Y1, R15, R217, C17 and C18
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 out
p
ut si
g
nal is
Change U2
Yes

Trouble shooting chart

Remark: Trouble shooting chart for

DVP3160K/XX