Acer Aspire 1606, Service Manual

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Chapter 1 27
NOTE: DC-AC inverter is used to generate very high AC voltage, then 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 unit is turned on.
.
Normal charge (charge while system
is not operative) 3.75A+/-0.375A
Background charge (charge even
system is still operative) 0.8A
Protection
Charger protection Over Current Protection
DC/DC converter protection OCP (Over Current Protection,
6A)
OVP (Over Voltage Protection,
5.2~5.5V)
UVP (Under Voltage Protection,
3~4V) OCP (Over Current Protection, 6A)
OVP (Over Voltage Protection, 3.43~3.63V)
UVP (Under Voltage Protection, 1.98~2.64V)
DC-AC LCD Inverter
Item Specification
Vendor & model name Ambit
Input voltage (V) 8 ~ 21V
Input current (mA) 1A (max.)
Output voltage
(Vrms, no load) 1600Vrms
Output voltage
frequency (kHz) 40 ~ 70KHz
Output Current/Lamp 5.5 mA ~ 6.0mA
LCD
Item Specification
Vendor & model name 15” AU
B150XG01
Mechanical Specifications
LCD display area (diagonal, inch) 15
Display technology TFT
Resolution XGA (1024x768)
Support colors 262K
Optical Specification
Brightness control Keyboard hotkey
Contrast control None
Electrical Specification
Supply voltage for LCD display (V) 3.3 (typ.)
Supply voltage for LCD backlight (Vrms) 700 (typ.)
DC-DC/Charger Converter
Item Specification