Acer TravelMate 240 Service Manual page 36

DC-DC/Charger Converter
Item
Input Voltage
DC-DC Converter Output
Output Rating
Current (w/load, A)
Charger Output
Normal charge (charge while system
is not operative)
Background charge (charge even
system is still operative)
Battery-low 2 level (V)
Battery-low 3 level (V)
Protection
Charger protection
DC/DC converter protection
DC-AC LCD Inverter
Item
Vendor & model name
Input voltage (V)
Input current (mA)
Output voltage
(Vrms, no load)
Output voltage
frequency (kHz)
Output Current/Lamp
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.
NOTE: There is an EEPROM in the inverter, which stores its supported LCD type and ID code. If you replace
a new inverter or replace the LCD with a different brand, use Inverter ID utility to update the ID
information.
.
LCD
Item
Vendor & model name
Mechanical Specifications
LCD display area (diagonal, inch)
Display technology
Resolution
Support colors
Optical Specification
Brightness control
Contrast control
Chapter 1
Specification
AC Adapter or Battery: 8V - 19VDC
+5V
0~5A
Li-ION
2.8A
Constant power mode (2.8A~0A)
12.5V
11.5V
Over Current Protection
OCP (Over Current Protection, A)
OVP (Over Voltage Protection, V)
UVP (Under Voltage Protection, V)
Ambit
8 ~ 21V
1A (max.)
1400Vrms
40 ~ 70KHz
5.5 mA ~ 6.5mA
14.1" AU
B141XN04 V2
14.1
TFT
XGA (1024x768)
262K
Keyboard hotkey
None
3.3V
0~4A
Specification
Specification
15" Hitachi
TX38D85VC1CAB
15
TFT
XGA (1024x768)
262K
Keyboard hotkey
None
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