Acer Aspire 1350, Service Manual

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Chapter 1 23
NOTE: DC-AC inverter is used to generate very high AC voltage, the support to LCD CCFT backlight user,
and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area while
the system is turned on.
DC-AC LCD inverter
Item Specification
Vendor & model
name Quanta 3HYA1 IV0008
Input voltage (V) 8(min.) - 20(max.)
Input current (mA) - - 520(max.)
Output voltage
(Vrms, no load) - 660(typ.) -
Output voltage
frequency (kHz) 55(min.) 56(typ.) 58(max.)
Output Current/Lamp lout(Min.) 3.0mA ± 0.5mA Vadj=0V
lout(Max.) 6.0mA ± 0.5mA Vadj=3.3V
LCD
Item Specification
Vendor & model
name QDI QD141X1LH03
Samsung LTN141X8L04
AU B141XN04 LG LP150X2-A296
Sharp LP150X1 LH82
AU B150XN01
Mechanical Specifications
LCD display area
(diagonal, inch) 14.1 15.0
Display technology TFT TFT
Resolution XGA (1024X768) XGA (1024x768)
Supports colors 262K 262K
Optical Specification
Brightness control keyboard hotkey keyboard hotkey
Contrast control No No
Suspend/Standby
control Yes Yes
Electrical Specification
Supply voltage for
LCD display (V) 3.3 3.3
Supply voltage for
LCD backlight
(Vrms) 690 690
AC Adapter
Item Specification
Vendor & model name Li-Shin 90W 0202C1990 (WPFC) 3P
Lite-on 90W PA 1900-05QA (WPFC) 3P
Input Requirements
Maximum input current (A,
@90Vac, full load) 1.4A @ 100Vac
1.15A @ 180Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range (Hz) 47 - 63
Nominal voltages (Vrms) 100 - 240