HP LP2275w Service Manual

22" LCD Color Monitor HP LP2275w
47
2. W/LED No Backlight
Check F801 =12V
NG
OK
Check C801 C802(+)
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 pin2=5V ?
NG
OK
Change Q801 or Q802
Check the pin12 of IC801 have saw tooth wave
NG
OK
Change IC801
Check PIN1 PIN15 of IC801 has the output of square wave at short time.
NG
OK
CheckQ802/Q804 Q808/Q809
Check Q802/Q804 Q808/Q809 PIN5, 6, 7, 8 have the output of square wave at
NG
Check the output of T801,T803
Check the output of T801,T803
OK
Check Q802/Q804 Q808/Q809
Check connecter & lamp
OK
NG

HP LP2275w Specifications

General

3D	No
Panel type	PVA
Pixel pitch	0.282 x 0.282 mm
Response time	6 ms
Display diagonal	22 \
Display resolution	1680 x 1050 pixels
Display technology	LCD
Vertical scan range	48 - 85 Hz
Horizontal scan range	30 - 93 kHz
Contrast ratio (typical)	1000:1
Display number of colors	-
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	1280 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 voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	85 W
Power consumption (standby)	2 W
Power consumption (typical)	56 W
Plug and Play	Yes
Tilt angle range	-5 - 30 °
Height adjustment	100 mm
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
USB hub version	2.0
HDMI ports quantity	0
USB Type-A downstream ports quantity	4
Product color	Black
Country of origin	China
Dimensions (W x D x H) (imperial)	19.9 x 10 x 18.8 \
Package weight	11300 g

Weight 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