Acer Extensa 500 服务手册

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 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

Display technology

TFT

DSTN

Resolution

SVGA (800x600)

Supports colors

262,144 colors

Optical Specification

Brightness control

keyboard hotkey

Contrast control

keyboard hotkey