LG RT-44NZ21RB, Service Manual

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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.
O
White Balance Adjustment
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)
O
Sub-Bright Adjustment
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.
(Use
F
,
G
,
D
,
E
, OK buttons)
O
DVCO Adjustment
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
G
button.
If DVCO data is changed,auto adjustment has finished.
3) After finishing DVCO adjustment,save the data by pressing
OK button.
O
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
O
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.
- 15 -
Fifth Vertical Line
100% and 80% GRAY PATTERN