LG RE-28FZ30RQ, Service Manual, Page: 9 / 38

2. Preliminary steps
(1) Tune the TV set to receive an 100% white pattern.
(2) This adjustment should be perfomed after screen voltage
adjustment.
3. Adjustment
(1) Press the CH
D
,
E
key to select adjustment item.
(2) Press the VOL
F
,
G
key to change data.
(3) Adjustment preliminary steps.
a.In items of picture adjustment,adjust until “CONTRAST”
and “BRIGHT” become 45 Ft_L(153Cd/m
2
).
b. Press the SVC key to enter adjustment mode.
c. Adjust the Y value of High Light with R-DRIVE and
adjust the X value with B-DRIVE until they have the
color coordinate of High Light as below.
d. In items of picture adjustment,adjust until “CONTRAST”
and “BRIGHT” become 4.5 Ft_L(15.4FT-L).
e. Enter the adjustment mode by pressing the SVC key.
f. Adjust the Y value of Low Light with R-CUTOFF and
adjust the X value with B-CUTOFF until they have the
color coordinate of Low Light as below.
g.Repeat adjusting until the color coordinate of High and
Low Light is satisfied.
h.Check the color coordinate of adjusted condition with
white balance meter.
- 9 -
SERVICE1
Item
CR(0~511)
CG(0~511)
CB(0~511)
WR(0~511)
WG(0~511)
WB(0~511)
SBRI(-255 ~ 254)
YCDEL
PH 32” FLAT
256
256
256
256
256
256
20
-2
SS 29” FLAT
256
256
256
256
256
256
20
-2
SS 28” FLAT
256
256
256
256
256
256
20
-2
Remark
LOW LIGHT adjument
LOW LIGHT adjument
LOW LIGHT adjument
HIGH LIGHT adjustment
HIGH LIGHT adjustment
HIGH LIGHT adjustment
SUB BRIGHT adjustment
OFFSE DATA
IIC WRITE
EEPROM
R AMP
0
30,31
R CUT
3
2A,2B
B AMP
1
34,35
B CUT
2
2E,2F
SUB BRIGHT DATA SAVE
SUB ADD
START BIT
STOP BIT
1C8
8
0
1C3
8
0
1CA
8
0
1C5
8
0
SUB ADD
Color temperarure.
13000K
9000K
X coordinate
266 ± 8
288 ±8
Y coordinate
273 ± 8
295 ± 8
Remark
Non EU(except model)
EU (RE,RL model)
IIC DATA SETTING
SLAVE ADDRESS(WRITE) SUB BRIGHT CONTROL DATA SPEED
IC 8A EEPROM A0
2