Acer B243HL, Руководство по обслуживанию

Страница: 8 / 60

Acer
Acer –LCD-B243HL
7
Protection Condition Spec
OPP(Over current protection) nominal AC input 60W ( min )
SCP(short circuit protection) with auto-recovery function
OVP(Over voltage protection) Auto recovery <output capacitor voltage
OTP(Over temperature protection) NA
Fuse protection NA
Table-1
Status H-sync V-sync Video Power LED
Power on on on active ≤ 50W Blue
off on blanked < 2W Amber
on off blanked < 2W Amber Power Saving
off off blanked < 2W Amber
Power Off -- -- -- < 1W Off
3.2 Backlight Power Supply
Panel: M240HW01-V6
Items Specification
Lamp 2 Bar LED
Input Voltage 23.5---29V
Input current
0.6A (Typ.),0.8A (Max.)
On/Off switch level
3.6V V
≧
on 2.0 V (on)
≧
-0.3v ≤ V off ≤ 0.8 V (off)
Brightness PWM Duty (ACM Off)
30%~100%
Brightness PWM Duty (ACM On)
1%~100%
LED Voltage 42.9Vrms (Typ.), 44.2Vrms(Max)
20mA (Type.)
LED Current
25mA (Max.)
Efficiency
>75%
Note: Other panels please refer to the reference panel specs .