Service manual

9
5. CIRCUIT-DESCRIPTION
5-1 PANEL SPECIFICATION (CPT XG08)
5-1-1Panel Feature
－ 15” XGA TFT LCD Panel
－ 2 CCFLS Backlight System
－ Supported (H1024Pixel × V768Lines) resolution
－ By applying 6 bit digital data
5-1-2 Display Characteristics
Items Specification Unit
Display Area 304.128(H) x 228.096 (V) mm
Driver element a-Si TFT active matrix
Display color Over 16 million Colors
Number of pixels 1024 x 768 pixel
Pixel Arrangement RGB vertical stripe
Pixel pitch 0.297(H) x 0.297(V) mm
Display Mode Normally White
5-1-3 Optical Characteristics
The optical characteristics are measured under stable conditions at 25℃(Room Temperature)：
Item Symbol Conditions Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
C/R 300 400 -
Rising Tr
Response
Time
Falling Tf
Tf+Tr =35 Msec
Luminance of White
(Center of screen)
YL 200 250 - Cd/m2
Rx 0.623
Ry 0.335
Gx 0.293
Gy 0.599
Bx 0.144
By 0.113
Wx 0.310
Color
Chromaticity
(CIE 1931)
Coordinates (CIE)
Wy
Normal
ψ=0
θ=0
Viewing
Angle
Typ.
-0.03
0.330
TYP.
+0.03
Brightness Uniformity [%] 70 75 -
5-1-4 Parameter guide line for CCFL Inverter
INVERTER MAX BRINGTHNESS (Vadj:5.0v), LOAD=120KΩX4
(ROOM TEMPERATURE 25℃ ±4℃)