LG 29FX5RJ Service Manual page 13

6. Deflection & POP position setting
data adjustment.
6-1. Adjustment preparation
(1) Deflection setting data adjustment is operate by SVC
communicator.
(2) Enter the adjustment mode by pressing SVC key.
(3) Enter the deflection mode by pressing ADJUST key.
(4) Use the CH D ,E key to select adjustment item.
(5) Use the VOL F ,G key to increase/decrease data.
(6) Tune the TV set to receive PAL-B/G Digital pattern.
6-2. Adjustment
(1) VL(Vertical Linearity) adjustment:
Adjust the top & bottom size of inner circle to be equal.
(2) VA (Vertical Amplitude) adjustment:
Adjust so that the circle of a digital circle pattern should be
located interval of 6~7mm from the effective screen of the
CPT.
(3) SC (Vertical S correction) adjustment:
Adjust so that all distance between each lattice width of
top/center/bottom are to be the same.
(4) VS (Vertical Shift) adjustment:
Adjust so that the geometric vertical center line is in accord
with vertical center line of CPT.
(5) HS(Horizontal Shift) adjustment:
Adjust so that the geometric horizontal center line is in
accord with horizontal center line of CPT.
(6) EW(East-West Width) adjustment:
Adjust until the outmost left and right lattice of received
pattern is accord with 75% of other lattice width.
(7) ET(East-West Trapezium) adjustment:
Adjust to make the length of top horizontal line same with it
of the bottom of horizontal line.
(8) EP (East-West Parabola) adjustment:
Adjust so that middle portion of the outermost left and right
vertical line look like parallel with vertical lines of the CPT.
(9) CRNU(Upper Corner Correction) adjustment:
After finished EP adjustment,adjust vertical line of left-
top,right-top of screen to the best straight line.
(10) CRNL(Lower Corner Correction) adjustment:
After finished EP adjustment,adjust vertical line of left-
bottom ,right-bottom of screen to the best straight line.
(11) BOW adjustment
A standard is not changing the default value.
(12) Angle adjustment.
When you adjust the angle,adjust correctly raster of
left/right screen.
(13) CRNU6(6' th Order Upper Corner Correction) adjustment
After finished EP adjustment,adjust vertical line of left-
top,right-top of screen to the best straight line.
(14) CRNL6( Lower Corner Correction) adjustment:
After finished EP adjustment,adjust vertical line of left-
bottom ,right-bottom of screen to the best straight line.
(15) OSD P (OSD POSITION) adjustment.
Adjust so that the character "2" of "EHTP2" is in accord with
right of Screen Center Vertical line after finished (1)~ (14)
adjustment. ( Refer to <figure.1> and <figure.2>.)
SERVICE 2 standard DATA
Item Variable range
VL
VA
SC
VS
HS
EW
ET
EP
CRNU
CRNL
BOW
ANGLE
CRNU6
CRNL6
EHTTH
EHT
EHTV1
EHTV2
EHTH1
EHTH2
EHT F
EHTP1
EHTP2
OSD P
- 13 -
<figure.1>
<figure.2>
S/S
-128~127 29" FLAT
-128~127 0
-128~127 19
-256~255 30
-512~511 5
-256~255 -198
-128~127 -13
-256~255 0
-128~127 228
-128~127 6
-512~511 6
-512~511 0
-128~127 0
-128~127 -1
0~2047 -1
0~511 250
-512~511 60
-512~511 -61
-512~511 -20
-512~511 -97
0~511 -22
-511~512 0
-511~512 -20
-15~15 -40
0
S/S
28" FLAT
0
49
20
0
-180
0
0
239
2
3
0
0
-1
-1
250
60
-61
-20
-97
-22
0
-20
-40
0