HP W1907 Service Manual

4.2 Nothing display on screen screen is black, color of LED is blue(
Is backlight light up?
Refer "Checking the backlight unit" section”
OK
NG
Does computer output RGB video signals?
(VGA or DVI)
OK
Check OSD menu is display on screen when
you push the "MENU" key.
Proceed "Abnormal sreen" dection"
OK
NG
Check the video cable for failure. Check the host for output signal with all
black only.
1) Change pattern of video signal output on the host.
2) Reconnect the video cable.
3) Change the video cable. (VGA or DVI)
NG
Check if the LCD module signal cable is connected between the I nterface
Board and LCD module.
OK
Next Page
NG
Failure Point
The LVDS cable is disconnected.
Page 11
022-83718162
www.chinadse.org
022-83715667

HP W1907 Specifications

General

Pixel pitch	0.285 x 0.285 mm
Display diagonal	19 \
Display resolution	1440 x 900 pixels
Viewable size diagonal	483 mm
Contrast ratio (typical)	1000:1
Digital vertical frequency	55 - 75 Hz
Digital horizontal frequency	30 - 83 kHz
Power requirements	100-240VAC
HDCP	Yes
Certification	FCC Class B
Product color	Silver
Country of origin	China
Market positioning	-
Panel mounting interface	100 x 100 mm
Power consumption (standby)	2 W
Power consumption (typical)	49 W
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	15 - 90 %
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (without stand)	182 mm
Width (without stand)	452 mm
Height (without stand)	378 mm
Weight (without stand)	5000 g