HP L1906 Service Manual

19" LCD Color Monitor HP L1906
14
REMARK:
1) MCU initialize.
2) Is the EEprom blank?
3) Program the EEprom by default values.
4) Get the PWM value of brightness from EEprom.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EEprom.
Turn on the LED and set it to green color.
Scalar initialize.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are they’re any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappear.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?

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