Acer TravelMate 340, Руководство по обслуживанию

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20 Chapter 1
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.
Keyboard
Item Specification
Keyboard controller Mitsubishi M38867
Keyboard vendor & model name JME K9811
Total number of keypads 85/89-key
Windows 95 keys Yes
Internal & external keyboard work simultaneously Yes
Battery
Item Specification
Vendor & model name Panasonic CGP-E/618AE
Battery Type Li-ion
Pack capacity 2800 mAH
Cell voltage 3.6V/cell
Number of battery cell 6
Package configuration 3 cells in series, 2 series in parallel
Package voltage 10.8 V
DC-AC LCD Inverter
Item Specification
Vendor & model
name Ambit T62.123.C.01
Sumida IV12149
Input voltage (V) 7.3 (min.) - 21 (max.)
Input current (mA) - - 900 (max.)
Output voltage
(Vrms, no load) - 565 (typ.) -
Output voltage
frequency (kHz) 40 (min.) - 65 (max.)
Output Current/
Lamp Iout(Min) 0.7mA 1.0mA 1.3mA Vadj=0V
Iout(Max) 5.4mA 6.0mA 6.6mA Vadj=3.2V
LCD
Item Specification
Vendor & model name Torisan
TM121SV-02L04
Mechanical Specifications
LCD display area (diagonal, inch) 12.1
Display technology TFT
Resolution SVGA (800x600)
340SG.book Page 20 Thursday, October 28, 1999 10:51 AM