Q7C3 LCD Monitor Service Guide
Engineering Specification
13
70% minimum (measuring at 115Vac and full load)
Power saving mode
＜
1 Watts at 115vac
3.5.2 Output Power Requirement
The power circuit shall supply DC power outputs as followings:
Output
Nominal Regulation Load Current Range
1 5V-panel ±10% 0 ~ 1.0A
2 3.3V-Fix ±5% 0 ~ 1.0A
3.5.3 Power Management
Mode H/Vsync
Power
consumption
LED Color
(Status)
Recovery
Time
Normal
Both exist
< 50W (with audio)
Blue
(Normal)
--
Normal
Both exist
< 40W (without audio)
Blue
(Normal)
--
off
None or
Only one exist
< 1W
, under 115Vac
<
2W, under 264Vac
Amber
< 3 sec
3.6 Specification of Inverter
The backlight system is an edge-lighting type with 4 CCFLs (Cold Cathode Fluorescent Tube).
The characters of dual lamps are shown in the following tables.
ITEM SYMBOL
MIN TYP MAX Unit Condition
Lamp Voltage
VL
--
700
860
V
IL=7.0 mA
Lamp Current
IL
13 14 15 mA
Each
connector
Inverter Frequency
FL 40 50 80 kHz
1700 --
-- V Tb=0
o
C
Starting lamp voltage
VS
1200 --
-- V Ta=25
o
C
Lamp life time
LT
30,000
40,000
--
Hr
I
L
= 7.0
±
0.5mA
Continuous
Operation
Ta=25
±
5
o
C
NOTE: 1.All condition are at 25C ambient unless otherwise specified.
2. Load Panel=SXGA 17”
