HP W1907 Service Manual

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Check the 3.3V power are supplied on I302 pin 2, 4.
OK
NG
Check if the voltage on I302 pin 3 that is
power DC at 5V.
OK
Failure Point
I302 is failure.
NG
Failure Point
1) Printed wire broke between P301 pin 5, 6
and I302.
2) FB301, FB302 are open.
3) Check power board.
Check the 1.8V power are supplied on I303 pin 2, 4.
Check if the voltage on I303 pin 3 that is
power DC at 3.3V from the I302.
OK
Failure Point
I303 is failure.
NG
Failure Point
1) Printed wire broke between I302 pin 2, 4
andI303pin3.
2) I302 is failure.
OK
NG
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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