HP L1906 Service Manual

19" LCD Color Monitor HP L1906
36
9.2.2 Power Board
1. No Power
Repeating the start voltage
Check D920 D921 ZD920…
Check IC902,IC903
Check Q910…OLP circuit
NG
OK
Check AC line volt 110V or 220V
OK
Check AC line
Check the voltage of C905(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R909, R910,IC931
Check the auxiliary voltage is between 10V-16V
Check IC901,T901
Check D906, IC904
OK
Check D902, D904, IC902
OK
NG
No power
NG
NG
OK
NG

HP L1906 Specifications

General

3D	No
Pixel pitch	0.294 x 0.294 mm
Display diagonal	19 \
Display resolution	1280 x 1024 pixels
Vertical scan range	50 - 76 Hz
Horizontal scan range	30 - 83 kHz
Viewing angle, vertical	130 °
Contrast ratio (dynamic)	-
Contrast ratio (typical)	500:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	140 °
Display brightness (typical)	270 cd/m²
Supported graphics resolutions	1280 x 1024 (SXGA)
On/off switch	Yes
DVI-D ports quantity	0
Tilt angle range	0 - 15 °
Panel mounting interface	100 x 100 mm
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	37 W
Power consumption (standby)	2 W
Power consumption (typical)	33 W
Certification	CISPR, VCCI, CSA, TUV, GS, CCC, MIC, FCC, UL, GOST, SASO
Product color	Black, Silver
Country of origin	China
Market positioning	Business
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Package weight	7000 g
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (with stand)	203 mm
Height (with stand)	427 mm
Weight (with stand)	5300 g
Depth (without stand)	59 mm
Width (without stand)	422 mm
Height (without stand)	362 mm
Weight (without stand)	- g