Acer V173 Service Manual page 6

DC Output Voltage and Current
Power consumption
Protection
Power management
Notes: 1. Before each test, the buck capacitor need to be discharged.
2. Before each test, it must be 10 minutes at least after the latest test.
Table-1
Protection
SCP(short circuit protection)
OPP(Over power protection)
Table-
2
Status
Power On
Power Saving
Power Off
3.2 Backlight Power Supply
Items
Panel
Lamp
Input Voltage
Input current
On/Off switch level
Brightness PWM duty
CCFL operating Voltage
CCFL Current
CCFL startup voltage
Operating frequency
Protect delay time
Efficiency
Table-1
No Load Voltage:
Item
No Load Voltage
Table-2
On Load Function:
Item
+5V output
13.5V-15.6V
4.9V-5.3V
without Audio
Condition
nominal AC input
H-sync V-sync
on on
off on
on off
off off
-- --
INL MT170EN01_VC,
4 CCFL
13.5V-15.6V
1.4A(typ.),1.8A(max)
5.5V Von 2.0 V
-0.3v ≤ Voff ≤ 0.8 V
35%~100%
*PWM:High=3.3V(3.00~3.60V),Low=0.0V,Frequency=4.0*V-Freq(Hz)
See Attached Table-2
See Attached Table
See Attached Table
40~60KHz
>1 second
75% (with dummy load)
Symbol Min.
Vs 1700
Symbol Min.
<150mv
1.4A(typ.),1.8A(max)
1.1A(typ.),1.4A(max)
≤35W
with auto-recovery function
Video Power
active < 35W
blanked < 2W
blanked < 2W
blanked < 2W
-- < 1W
Specification
-2
-1
Typ. Max. Unit
--- --- Vrms
Typ. Max. Unit
5
See Table-1
See Table-2
Spec
42W
LED
Blue
Amber
Amber
Amber
Off
Remark
INL MT170EN01_VC
Remark