4-9
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, R13, C38 and C39
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
Trouble shooting chart
change U1
Yes
No
Check if the video signals on Pin
147,149,151,152,154 of U1 are normal
Summary of Contents for DVP3136/94
Page 34: ...Input Output Board Print_Layout Bottom Side for DVP3136 94 6 10 6 10 ...
Page 35: ...Switch Board Print_Layout Bottom Side for DVP3136 94 6 11 6 11 ...
Page 36: ...Amplifier Board Print_Layout Top Side for DVP3136 94 6 12 6 12 ...
Page 37: ...Amplifier Board Print_Layout Bottom Side for DVP3136 94 6 13 6 13 ...
Page 38: ...Front Board Print_Layout Bottom Side for DVP3136 94 6 14 6 14 ...
Page 39: ...Power Board Print _Layout Bottom Side for DVP3136 94 6 15 6 15 ...
Page 40: ...Main Board Print_Layout Top Side for DVP3136 94 6 16 6 16 ...
Page 41: ...Main Board Print_Layout Bottom Side for DVP3136 94 6 17 6 17 ...