LG RT-44NA61RB Service Manual page 17

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3. Pattern position adjustment
1) Change into pattern shift mode.
(Press numeric buttons "9" & "4")
2) Make sure to overlap pattern and image.
(Use MUTE button)
3) Accord the center of image and pattern.
F
G
D
E
(Use
,
,
,
buttons)
4) Quit pattern shift mode. (Press "OK" button)
5) Save adjusted phase/pattern position adjustment
mode.(Press "9", "2" & "OK" buttons)
4. Auto convergence (option)
*
Convergence is based on the auto adjustment using PC and
Camera while applying the THOMSON convergence Assy and if
need,adjust manually like below method.
5. Green convergence adjustment
1) Show the OSD on screen by pressing 2 button,then change the
OSD to green(G) adjustment mode with pressing TV/AV button.
2) Close the cover of red PRT and blue PRT so that green
display on screen only.
3) Adjust to coincide green pattern with screen JIG pattern.
F
G
D
E
(Use
,
,
,
buttons)
At this time move cursor from center to around and adjust
convergence.
6. Red convergence adjustment
1) Show the OSD on screen by pressing 2 button,then change the
OSD to red(R) adjustment mode with pressing TV/AV button.
2) If the need arises,close the cover of the blue lens.
3) Coincide the red screen with the green screen in same way
with that of green convergence adjustment.
7. Blue convergence adjustment
1) Show the OSD on screen by pressing 2 button,then change the
OSD to blue(B) adjustment mode with pressing TV/AV button.
2) Coincide the blue screen with the green screen in same way
with that of red convergence adjustment.
8. Saving adjusted data
1) To save the data after adjustment,Press "9", "1" & "OK"
button.
2) Quit convergence adjustment mode. ("IN_START" button)
9. NTSC mode adjustment
1) Receive the 13CH or Multi 48 CH signal.
2) Adjust as same method of PAL mode.
10. Auto-Convergence measuring or Measuring
back up data (option)
1) Operate the auto-convergence measuring or the measuring
back up data separately in PAL,NTSC mode.
2) Operate in the condition of 'Zero magnetometer ' in room
after correcting convergence manually.
3) How to measuring
Press the 'IN_START -> 3 ->MENU->3' key to operate Auto
convergence measuring or the measuring back up 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 : RE/RL : 250!10
* Low Light : 10!3
5) Set BRIGHT to H/Light adjustment mode in 4) and enter SVC
mode by pressing the "IN_START & 4" button. Adjust RG (R
Gain) and BG (B Gain) until color coordinate becomes
RE/RL - X=0.283 and Y=0.292, RT - X=0.269 and Y=0.274
(Deviation : !0.03).
6) Set BRIGHT to L/Light adjustment mode and adjust CR (R
Cut Off) and CB (B Cut Off) until color coordinate becomes
RE/RL - X=0.280 and Y=0.260, RT - X=0.269 and Y=0.274
(Deviation : !0.03).
7) Repeat adjusting until the color coordinate of H/Light and
L/Light is satisfied.
8) Save the data after adjustment. (Press "ENTER" button)
9) Exit adjustment mode. (" INSTART " button)
Sub-Bright Adjustment
O
1) Tune the TV set to receive a EU 05 CH.
2) Enter WB mode by pressing the IN_START & '4' button.
Adjust S-BRI data until 100% and 80% GRAY PATTERN is
classified.
F
G
D
(Use
,
,
Auto-Convergence Check (option)
O
1) Check the Auto-Convergence in PAL/NTSC/1080i(option)
mode separating.
2) Press the IN_START key on R/C for adjustment and press
the CAPTION key 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
IN_START -> '3' -> TEXT
- 17 -
(16:9)
cd/m^2
RT
: 160!10
(16:9)
cd/m^2
RE/RL : 190! 10
(4:3)
cd/m^2
RT
: 160!10
(4:3)
cd/m^2
cd/m^2
E
,
, ENTER buttons)

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