Acer AL1916, Service Manual

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3.4.1.2 AC-DC Output Specification
Tolerance Output Current
Output oltage --- MIN MAX
Voltage Tolerance
+5Vdc +5 /-3 % 0.05A 1.5A 4.85~5.25V dc
+35/-5 % 0A 2A 20~14.3Vdc
+5Vaudio
±
5%
0A 0.6A 4.75~5.25Vdc
Ripple --- 1%
+5Vdc:50mVp-p
+15Vinv:150mVp-p
Noise
Measured at DC output
terminals which are
paralleled with a 10uf
Ecap &0.1uf Ceramic
cap.
2.Band width is limited
within 20MHz
--- 3%
+5Vdc:150mVp-p
+15Vinv:450mVp-p
Dynamic Load
Regulation
50~100% or 100~50%
load change of any DC
output @50% duty of
---
±
5%
---
Over / Under
Sh
@ Power line on/off ---
±
5%
---
*+5Vdc load regulation test: the +15Vinv loading at 2.0A
*+15Vinv load regulation test: the +5Vdc loading at 1.5A
3.4.1.3 Protection function
1) SCP: Short circuit protection must be acted on both outputs
2) OPP: Should be protected when output power consumption is within 60W ~ 75W
Inverter Electrical Specification:
For Samsung LTM190EX
Condition Min. Typ. Max. Unit
Input Voltage --- --- 15 --- V
Input Current
--- --- 1.5 --- A
ON 3.3 V Backlight ON/OFF
Control
OFF
0 V
Brightness Adjust
Min. Luminance / Max.
Luminance
--- 30% --- ---
Output Voltage Vin=15V, Iout=7.5mA 650 Vrms
Brightness lamp current in 7.5mA 250 300 --- Cd/m²
Output Current(Each
connector)
Vbri=0.4V~3.3V 4 7.5 8 mA
Frequency
--- 40 --- 60 KHz
Lamp start voltage
@0
℃ 1650 --- --- Vrms