Acer B223W Service Manual page 6

Acer
(DC output full loading and nominal AC input voltage range)
3.1.6 Ripple and Noise
Total composite ripple and noise less than 320mV for +16V output, and less than 150mV for +5V output, and 50mV for
+3.3V output tested by DC loading side parallel with a 47uF/EC and 0.1uF/Ceramic. Capacitors and measured band-width
with DC-20MHz
3.1.7 DC Output Voltage and Current
DC Output
VCC16V
VCC5V
Note: For the normal loading test ,the output loading use typical current.
3.1.8 Protection
a. SCP: For short circuited protection and with auto-recovery function.(for 5V output it must be shorted before
b. OPP: Over-power protection, Range: 60W ( min ) on nominal AC input.
c. BOP: Brown Out protection
Condition: Pattern: Dot pattern,
Spec: system shutdown voltage must be > 50V
3.1.9 Power consumption
Max. 55W.
Follow Energy Star V4 condition 49W
3.1.10 Power management
BV223W supports Energy Star V4 and VESA DPMS
Status
On Mode/Active Power
Sleep Mode/Low Power
Off Mode/Standby Power
3.2 Backlight
Item Symbol
Input Voltage Vin
Von
Enable (On/Off)
Voff
Kick off Voltage:
Item Symbol
Kick off Voltage Vs
Voltage
15.2V-18.5V
4.75~5.25V
Timing: 1680x1050 60Hz,
Brightness: Max.
Contrast: Max
system restart voltage must be <85V
H-sync
on
off
on
off
--
Min. Typ.
15.2 16.0
2.0 3.3
-0.3 ---
Min. Typ. Max.
1700 --- ---
Current
Typ. Max.
1.8A 2.2 A
1.5A 1.8A
V-sync Video Power
on active ≤ 55W
on blanked < 2W
off blanked < 2W
off blanked < 2W
-- -- < 1W
Max. Unit Remark
18.5 V
5.5 V
0.8 V
Unit Remark
Vrms
5
Acer –LCD-B223W
F802)
LED
Blue
Orange
Orange
Orange
Off