6-8
3.3 Image noise
Failure point
Analog : Confirm the input signal level of D-SUB (Pin10, Pin6 of IC06)
Digital
: 1) Confirm the Video card Driver IC frequency if over specification.
2) Check DVI signal cable.
Is the image still unclear even though
H-SIZE and FINE TUNE are adjusted?
OK
NG
Normal
Replace the video cable that is connected
to the PC.
OK
NG
Is there any change in the noise when the
contrast is adjusted?
YES
NO
Normal
Failure point
Analog : Check power, output signal and
peripheral circuit of IC01.
Digital
: Check power, output signal and
peripheral circuit of IC11.
Summary of Contents for LCD1920NX BK - MultiSync - 19" LCD Monitor
Page 4: ...1 1 USER S MANUAL 1 A Version MultiSync LCD1920NX TM ...
Page 49: ...3 6 SYMBOL CODE DESCRIPTION 15 79PZ0004 LCD MODULE 19 0 TFT FLC4 15 ...
Page 100: ...7 9 2 4 3 Circuit diagram ...
Page 172: ...MODEL LCD1920NX LCD MAIN BD 1 7 SCHEMATIC DIAGRAM 10 1 Schematic Diagram ...
Page 173: ...MODEL LCD1920NX LCD MAIN BD 2 7 SCHEMATIC DIAGRAM 10 2 ...
Page 174: ...MODEL LCD1920NX LCD MAIN BD 3 7 SCHEMATIC DIAGRAM 10 3 ...
Page 175: ...MODEL LCD1920NX LCD MAIN BD 4 7 SCHEMATIC DIAGRAM 10 4 ...
Page 176: ...MODEL LCD1920NX LCD MAIN BD 5 7 SCHEMATIC DIAGRAM 10 5 ...
Page 177: ...MODEL LCD1920NX LCD MAIN BD 6 7 SCHEMATIC DIAGRAM 10 6 ...
Page 178: ...MODEL LCD1920NX LCD MAIN BD 7 7 SCHEMATIC DIAGRAM 10 7 ...