Table of Contents
Advertisement
6. Abnormal Plug and Play Operation
6. Abnormal Plug and
6.1 Abnormal DDC2 (D-SUB)
6.1 Abnormal DDC2 (D-SUB)
Co
Co nfirm the output of
nfirm the output of serial data on I
synchronize SCLK at TTL level.
synchronize SCLK at TTL level.
1) The host machine i
1) The host machine isn' t
2) The video cable may have fail
2) The video cable may have failed or m
connections for DDC.
connections for DDC.
3) Be
3) Be tween
tween I303
I303pin 5
4) R3 11, R314
4) R3
11, R314open.
open.
5) I303pin 5
5) I303
pin 5has b
has b een
6) Cable failure.
6) Cable failure.
7) Sam
7) Sam e as I303
e as I303pin 6.
6.2 Abnormal DDC2 (DVI)
6.2 Abnormal DDC2 (DVI)
Confirm the output of serial data on I334 pin 5
Confirm the output of serial data on I334 pin 5
synchronize SCLK at TTL level.
synchronize SCLK at TTL level.
1) The host machine i
1) The host machine isn' t
2) The video cable may have failed or may not to have
2) The video cable may have failed or may not to have
connections for
connecti
ons for DD
3) Be
3) Be tween
tween I334
I334 pin 5
4) R3
4) R3 18, R506
18, R506open.
open.
5) I334
5) I334pin 5
pin 5has
has been
6) Cable failure.
6) Cable failure.
7) Sam
7) Sam e as I334
e as I334pin 6.
Play Operation
serial data on I303 pin 5
303 pin 5
O O K K
Failure point
Failure point
sn' t comm
comm unicati
unicating in
ng in DD
DD C2 m
C2 m ode.
ed or m ay not to
ay not to have
have
pin 5 and P
and P 301
301pin 12
pin 12m m ay ha
ay ha ve failed.
ve failed.
een shorted.
shorted.
pin 6.
O O K K
Failure point
Failure point
sn' t comm
comm unicat
unicating i
ing in DD
n DD C2 m
C2 m ode.
DD C. C.
pin 5and P
and P 304
304pin 7
pin 7m m ay h
ay h ave failed.
ave failed.
been shorted.
shorted.
pin 6.
N N G G
ode.
N N G G
ode.
6 - 8
6 - 8
Failure point
Failure point
I303failure.
I303
failure.
Failure point
Failure point
I334 4 failur
I33
failure. e.
Advertisement
Table of Contents
