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, R17, C21 and C22
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
5-6
Содержание DVP3320/94
Страница 28: ...7 9 MAIN BOARD TOP ...
Страница 29: ...7 10 MAIN BOARD BOTTOM ...
Страница 30: ...LED PCB BOARD TOP 7 11 ...
Страница 31: ...LED PCB BOARD BOTTOM 7 12 ...
Страница 32: ...USB PCB BOARD TOP 7 13 ...
Страница 33: ...USB PCB BOARD BOTTOM 7 14 ...
Страница 34: ...POWER SW PCB BOARD TOP 7 15 ...
Страница 35: ...POWER SW PCB BOARD BOTTOM 7 16 ...
Страница 36: ...8 0 Mechanical Exploded View Diagram 8 1 ...
Страница 39: ...9 0 REVISION LIST Version 1 0 Initial release ...