LG FLATRONez T730SH Service Manual page 14

4. Distortion
Scanning frequency : All Mode (Mode 1~4)
Display image : Crosshatch pattern
Horizontal : 10 Row
Vertical : 8 Row
A
E
F
C
A-B 2.0mm,
E-F 2.0mm,
5. Displa Size drift
4mm : 25 Standard, 10
0.5mm : 180V ~ 264V
6. Linearity
X1 X2 X3 X4
Formula : (Max - Min) / Max x 100(%)
Criteria : H - 10% Max. (Upper 40kHz)
14% Max. (Less 40kHz)
V - 8% Max.
7. Regulation
Luminance 2mm
Dynamic(lode) 2mm
Scanning frequency : All Mode (Mode 1~4)
8. Trapezoid
U-D
U
D
9. Pin Balance
L1
L1
B
G
H
D
C-D 2.0mm
G-H 2.0mm
35
Y1
Y2
Y3
Y4
<
4mm
U
D
R1 2.0mm
R1 L1
10. Parallelogram
11. Adjustment of white balance (Adjustment of
chromaticity diagram)
*(Adjustment of white balance must be made after
entering Hot Key Mode and DEGAUSS.)
CONDITIONS
Signal:
Display image:
Contrast:
Brightness:
Color temperature: 9300K
11-1. Adjustment of cut off (Adjustment of back raster)
11-1(a). Before adjustment, press Menu and Degauss
to remove.
=> Enter hot key mode.
Adjust Brightness and Contrast to Max in OSD
window.
(1) Adjust cut off (back raster) first. Enter DEGAUSS in
the Menu and modify the following data.
Modify RCUT to Min ,
Modify GCUT To Min ,
Adjust to BCUT Data = 127 (7F (h)) ,
Adjust to SBRT Data = 205 ( CD (h)).
(2) Turn FBT screen volume on "CRT COLOR
ANALYZER CA-100" equipment to adjust
Brightness to 0.4
(3) Adjust RCUT, GCUT, and SBRT to set chromaticity
diagram at :
x: 0.283 0.005
y: 0.298 0.005
Y: 0.40 0.05FL
* If color values would not be matched desirable values,
repeat sequence 1 and 2 after readjusting "GREEN
CUTOFF" control a little different.
R1
- 14 -
4mm
69 kHz / 85 Hz
Back raster (Color 0,0)
Maximum
Maximum
0.05FL.