LG RT-44NZ21RB Service Manual page 15

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3)If not,press SVC key on R/C to enter adjustment mode and
then press the YELLOW key to move into ÔSERVICE
ADJUSTMENT 5Õ
4)Adjust M-HOR and M-VER so that left/right space to be
symmetry.
5)Press the OK key to store the data.
White Balance Adjustment
O
1. Test Equipment
Brightness meter(CA110)
2. Adjustment
1) This adjustment must be operated in a dark room or
equivalent.
2) Adjust after Cut-Off and Focus adjustment.
3) The brightness meter must be located in 20¡ 5 c m distance
from the center of the screen.
4) Receive WINDOW signal.
* High Light : 200!3
cd/m^2
* Low Light : 10!3
cd/m^2
5) Set BRIGHT to H/Light adjustment mode in 4) and enter
SVC mode by pressing the ÒSVCÓ button. Adjust RG (R
Gain) and BG (B Gain) until color coordinate becomes
X=0.280 and Y=0.300 (Deviation : ! 0.01).
6) Set BRIGHT to L/Light adjustment mode and adjust CR (R
Cut Off) and CB (B Cut Off) until color coordinate becomes
X=0.282 and Y=0.286 (Deviation : ! 0.01).
7) Repeat adjusting until the color coordinate of H/Light and
L/Light is satisfied.
8) Save the data after adjustment.
(Press ÒOKÓ button)
9) Quit adjustment mode. (Ò TV/AV Ó button)
Sub-Bright Adjustment
O
Fifth Vertical Line
100% and 80% GRAY PATTERN
1) Tune the TV set to receive a EU 05 CH.
2) Enter SVC mode by pressing the ÒSVCÓ button. Adjust S-BRI
data until 100% and 80% GRAY PATTERN is classified.
F
G
D
E
(Use
,
,
,
, OK buttons)
DVCO Adjustment
O
1) Tune the TV set to receive a EU 05 CH.
2) Enter the adjustment mode by pressing SVC button of
Remote Controller for adjustment,then select DVCO menu.
Operate auto adjustment with VOL
If DVCO data is changed,auto adjustment has finished.
3) After finishing DVCO adjustment,save the data by pressing
OK button.
All manuals and user guides at all-guides.com
O
O
G
button.
- 15 -
Auto-Convergence Check
1)Check the Auto-Convergence in PAL/NTSC mode separating.
2)Press the SVC key on R/C for adjustment and press the
to check whether Auto-Convergence works normally in each
mode.
3)If not,check the Convergence condition or Measuring
condition and SENSOR condition.
4)The shipment must be done after restoring the final auto
convergence data value.
* Restore a Convergence data
SVC -> /M -> TEXT
Check the Option Adjustment
1) Check the OPTION1~4 data of attach 6 is well recorded.
2) The option value of each suffix is started on JOB EXP of
3141VMN chassis Assy.

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