6-12
7. Abnormal plug and play operation
7.1 Abnormal DDC1
7.2 Abnormal DDC2
OK
NG
Failure point
1) This mode may be in DDC2B
If you change the mode of DDC1, turn off the power
switch of the host and the monitor and power again.
2) I403 failure.
Confirm the output of serial data on I403 pin 7 synchronize VCLK at TTL level.
Failure point
1) The host machine isn't communicating in DDC1 mode.
2) The video cable may have failed or may not to have connections for DDC.
3) Between I403 pin 5 and P303 pin 12 may have failed.
4) R432 open.
5) Cable failure.
OK
NG
Confirm the output of serial data on I403 pin 6 synchronize SCLK at TTL level.
Failure point
1) The host machine isn't communicating in DDC2 mode.
2) The video cable may have failed or may not to have connections for DDC.
3) Between I403 pin 6 and P303 pin 15 may have failed.
4) R431 open.
5) Cable failure.
Failure point
I403 failure
Summary of Contents for NEC MultiSync LCD1525V LCD1525V LCD1525V
Page 8: ...1 5 MultiS 4 Figure E 1 Figure C 1 Figure D 1 Clip A Clip B Power Switch Quick Start cont...
Page 9: ...1 6 5 Quick Start cont...
Page 22: ...1 19 2 B Version User s Manual...
Page 31: ...1 28 Installation E 9 MultiSyn Figure D 1 Figure E 1 Figure C 1 Clip B Clip A Power Button...
Page 32: ...1 29 E 10 Installation...
Page 46: ...3 2 Photo 2 Photo 3 Screw B Screw C HOOK...
Page 47: ...3 3 Photo 4 Photo 5 Screw D Screw E FUNCTION BD ASSY P601 Screw E Screw E...
Page 109: ...for Human Potential...