Acer Extensa 500, Руководство по обслуживанию

Страница: 27 / 108

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.
Note: There is an EEPROM in the inverter, which stores it's supported
LCD type and ID code. If you replace a new inverter or replace
the LCD with one of a different brand, use Inverter ID utility to
update the ID information.
LCD Inverter
Item Specification
Vendor & model
name Ambit T622.087.C.00
Input voltage (V) 7.3 (min.) - 22 (max.)
Input current
(mA) - - 700 (max.)
Output voltage
(Vrms, no load) 1300 (min.) 155 1600 (max.)
Output voltage
frequency (kHz) 40 (min.) - 65 (max.)
Output current
(mArms)
(T62.087.C.00) 0.7~5.9 (min.) 1.0~6.5 (typ.) 1.3~7.1 (max.)
Output current
(mArms)
(T62.086.C.00) 0.6~5.4 (min.) 1.0~6.0 (typ.) 1.4~6.6 (max.)
LCD
Item Specifications
Vendor & model name 12.1" Hitachi
TX31D27VC1CBB 12.1" Sharp
LM121SS1T53
Mechanical Specifications
LCD display area
(diagonal, inch) 12.1 12.1
Display technology TFT DSTN
Resolution SVGA (800x600) SVGA (800x600)
Supports colors 262,144 colors 262,144 colors
Optical Specification
Brightness control keyboard hotkey keyboard hotkey
Contrast control keyboard hotkey keyboard hotkey