
4-18
Abnormal color of video picture
Yes
Abnormal color of
video picture
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
output signal is normal.
change U2
Yes
Trouble shooting chart
Remark: Trouble shooting chart for
DVP3156/XX, DVP3166(K)/XX
Summary of Contents for DVP3155
Page 39: ...6 7 6 7 Power Board Print Layout Bottom Side for DVP3156 XX DVP3160K XX DVP3166 K XX ...
Page 45: ...6 13 6 13 Main Board Print Layout Top Side for DVP3160K XX ...
Page 46: ...6 14 6 14 Main Board Print Layout Bottom Side for DVP3160K XX ...
Page 52: ...6 20 6 20 Main Board Print Layout Top Side for DVP3156 XX DVP3166 K XX ...
Page 53: ...Main Board Print Layout Bottom Side for DVP3156 XX DVP3166 K XX 6 21 6 21 ...