5-8
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 Y2, R28, C31 and C33
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 U2
Yes
No
Check if the video signals on Pin
58,60,61,63 of U1 are normal.
Summary of Contents for DVP3320
Page 32: ...Front Board Switch Board Print layout Bottom side 7 9 7 9 ...
Page 33: ...OK Board Print layout Top side OK Board Print layout Bottom side 7 10 7 10 ...
Page 34: ...Power Board Print layout Bottom side 7 11 7 11 ...
Page 35: ...Main Board Print layout Top side 7 12 7 12 ...
Page 36: ...Main Board Print layout Bottom side 7 13 7 13 ...
Page 39: ...REVISION LIST Version 1 0 Initial release for DVP3320 55 9 1 ...