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f) D-Sub no picture
If RA20, RA21 input
sync signal
Yes
NA03 and its periphery
has problem
g) HDMI no picture
If one channel HDMI no
picture
No
Check if HDCP KEY
flash written.
Yes
If NB13 pin 28, 30, 33, 35, 38, 40, 43,
45output signal
Yes
NS02 or the circuit around
HDMI input has problem
If it is normal when
input YPbPr signal
Yes
No
If NB14 1#, 4# input
sync signal
Yes
NB14
and
its
periphery has problem
Yes
The path from NB14 or HDMI
socket to NB14 has problem
No
NB14 or its periphery
has problem
45
No
Check
follow
program (e)
No
The path between VGA
and NB14 has problem
No
Write HDCP KEY
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