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3. Scalar
Scalar failed
to output data
Are all the power and
ground pins at the correct
Are the correct RGB and
Hsync signal fed to
Is the correct Sinusoidal
wave appeared on Crystal
Measure the signal pairs
on LVDS data output and
clock from Scalar
Are the pixel output
Check the remaining
NO
voltage level?
YES
NO
Scalar ?
YES
NO
YES
NO
correct?
YES
circuits
- 34 -
Power or the ground pins
has bad contacts
Are the signals presented
on DSub connector?
YES
Capacitors of Crystal
have damaged
Scalar failed
DSUB Connector
NO
or PC failure
Bad wiring between
DSUB and Scalar
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