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HP LP2275w Service Manual

HP LP2275w
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22" LCD Color Monitor HP LP2275w
44
No picture (LED orange)
No picture
The button if
under control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure U701&U707 PIN2=3.3V
U702=2.5V U708 PIN5,6=1.8V
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Check CN701 or
replace
U701,U707,
U702 U708
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401s normal
Check signal from
CN101 is normal
Replace X401
Check Correspondent
component
NG
NG
OK
Replace U401

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HP LP2275w Specifications

General IconGeneral
3DNo
Panel typePVA
Pixel pitch0.282 x 0.282 mm
Response time6 ms
Display diagonal22 \
Display resolution1680 x 1050 pixels
Display technologyLCD
Vertical scan range48 - 85 Hz
Horizontal scan range30 - 93 kHz
Contrast ratio (typical)1000:1
Display number of colors-
Display brightness (typical)300 cd/m²
Supported graphics resolutions1280 x 1024 (SXGA), 1440 x 900 (WXGA+), 640 x 480 (VGA), 800 x 600 (SVGA)
Storage temperature (T-T)20 - 60 °C
Operating temperature (T-T)5 - 35 °C
Storage relative humidity (H-H)5 - 95 %
Operating relative humidity (H-H)20 - 80 %
Non-operating relative humidity (non-condensing)5 - 90 %
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (max)85 W
Power consumption (standby)2 W
Power consumption (typical)56 W
Plug and PlayYes
Tilt angle range-5 - 30 °
Height adjustment100 mm
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
USB hub version2.0
HDMI ports quantity0
USB Type-A downstream ports quantity4
Product colorBlack
Country of originChina
Dimensions (W x D x H) (imperial)19.9 x 10 x 18.8 \
Package weight11300 g
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)253 mm
Width (with stand)506 mm
Height (with stand)477 mm
Depth (without stand)82.6 mm
Height (without stand)328 mm
Weight (without stand)8500 g

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