Acer TravelMate 620 Service Manual page 34

Keyboard
Windows 95 keys
Internal & external keyboard work simultaneously
Battery
Vendor & model name
Battery Type
Pack capacity
Cell voltage
Number of battery cell
Package configuration
Package voltage
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
Supports colors
Optical Specification
Brightness control
Contrast control
26
Item
Item
Ambit T621124.00 730
7.3 (min.)
-
-
40 (min.)
Iout(Min) 0.7mA
Iout(Max) 6.3mA
Hitachi
TX38D95VC1CAM
15
TFT
SXGA+ (1400x1050)
262K
keyboard hotkey
No
Yes
Yes
Sony BTP-30A1
Li-ion
5880 mAH
V/cell
9
3 cells in series, 3 series in parallel
11.1 V
Specification
-
-
565 (typ.)
-
1.0mA 1.3mA
7.0mA 7.7mA
Specification
Specification
Specification
21 (max.)
900 (max.)
-
65 (max.)
Vadj=0V
Vadj=3.2V
Chapter 1