LG RT-39NZ40RB Service Manual page 14

Convergence Adjustment
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1. Preliminary steps
This adjustment should be performed after warming up 60
minutes.
1) Adjust after Horizontal/Vertical Raster position,Beam
alignment magnet, and focus adjustments have been
completed.
2) Do it always with crosshatch pattern.
3) Adjust for both PAL and NTSC system.
4) Use the JIG screen with the cross hatch pattern for
Adjustment.
2. Convergence Key
1) Convergence Mode : SVC,/M
F G
2) Cursor shift : ,
3) Cursor Movement/Adjustment Selection : OK
4) Cursor Color Selection : TV/AV
5) Adjustment mode out : /M
*Note: When cursor flashes,set is in adjustment mode When
R,G or B selected color flashes,the set is in cursor movement
mode.
PAL Mode Adjustment
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1. Preliminary steps
1) Receive the EU 05CH signal.
2) Press the buttons SVC & /M of Remote Controller for
adjustment to get into the convergence adjustment mode.
2. Horizontal/Vertical phase adjustment
1) Press the buttons 9 & 5 to get into the phase adjustment
mode.
2) Horizontal Phase Adjustment.
Move the convex part to the middle of TV screen.
3) Press the OK button to escape from the adjustment.
3. Pattern position adjustment
1) Change into pattern shift mode.
(Press numeric buttons Ò9Ó & Ò4Ó)
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 ÒOKÓ button)
5) Save adjusted phase/pattern position adjustment
mode.(Press Ò9Ó, Ò2Ó & ÒOKÓ buttons)
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, ,
4. Auto convergence
*
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
(Use , ,
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 Ò9Ó, Ò1Ó & ÒOKÓ
button.
2) Quit convergence adjustment mode. (Ò /M Ó 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
1) Operate the auto-convergence measuring separately in
PAL,NTSC mode.
2) Operate in the condition of ÔZero magnetometer Ô in room
after correcting convergence manually.
3) How to measuring
Press the ÔSVC ->/M ->MENU->3 key to operate Auto
convergence measuring.
11.PIP-Position adjustment
1)Press the WD2 9/4PIP button so that the screen to be Multi-
picture 12SCAN after receiving the PAL signal.
2)Check the R/L space is to 20!5mm.
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, buttons)
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