22 Chapter 1

NOTE: DC-AC inverter is used to generate very high AC voltage, the 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 is turned on.

Battery
Item Specification
Vendor & model name Sanyo / Simplo
Battery Type Li-ion
Pack capacity 26.64W/48.84W
Cell voltage 3.7 V/cell
Number of battery cell 4/6
Package configuration 4/3 cells in series, 0/2 series in parallel
Package voltage 14.8V/4cell, 11.1V/6cell
DC-AC LCD inverter
Item Specification
Vendor & model
name
Sumida TWS-458-018
Input voltage (V) - 12(typ.) -
Input current (mA)
(Vadj=1.6V)
(Vadj=3.3V)
- 70(typ.) 120(max.)
310(min.) 360(typ.) 410(max.)
Output voltage
(Vrms, no load)
1600(min.) - -
Output voltage
frequency (kHz)
47(min.) 52(typ.) 57(max.)
Output Current/Lamp
(Vadj=1.6V)
(Vadj=3.3V)
1.6mA(Min.) 2.2mA(typ.) 2.8mA(max.)
5.0mA(Min.) 5.5mA(typ.) 6.0mA(max.)
LCD
Item Specification
Vendor & model name IDT/IAXG01W
IDT/IAXG02C
TOSHIBA/LTM12C505D
LCD display area (diagonal, inch) 12.1
Display technology TFT
Resolution XGA (1024X768)
Screen Diagonal [mm] 307
Active Area [mm] 245.76(H) x 184.32(V)
Pixel Pitch [mm] 0.080(per one triad) x 0.240
Pixel Arrangement R,G,B Vertical Stripe
Weight [grams] 290 Typ.
Physical Size [mm] 261.0(W) x 198.0(H) x 5.0(D) Typ.
Support Color Native 262K colors(RGB 6-bit data driver)
White Luminance [cd/m2]
Design Point 1:(ICFL=3.5mA)
Design Point 2:(ICFL=6.5mA)
95 Typ. (center), 90 Typ. (5 points average)
160 Typ. (center),150 Typ. (5 points average)