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[
figure
3]
PAL B/G 05CH signal
3.6.3. Sub-Tint Adjustment (Do not adjust)
This adjustment has to be done only if the picture has bad
tint otherwise, it can be omitted if the picture has good tint.
(1). Received LG standard pattern signal (SMPTE, 2CH).
(2). Set the picture condition on "APC ON" (CLEAR) mode.
(3). Press the "ADJ" key of the factory remote control three
times to enter to "SUB-TINT" adjustment mode.
(4). Change the Sub-Tint data by pressing the VOLF,VOLG Key
until the upper and lower CYAN color becomes same color.
3.7. Deflection Setting Data Adjustment
These adjustment will be done by Auto Adjustment Equipment.
For manual adjustment, it is also possible by the following
procedure.
3.7.1. Adjustment Preparation
(1) Deflection setting data adjustment can be done only with
remote control.
(2) Press the "INSTART" Key on the factory remote control
continuously to enter to Deflection Adjustment mode.
(3) Press the CHD,E Key to select adjustment item.
(4) Press the VOLF,G Key to change the data.
3.7.2. Adjustment
(1) V SLOPE
Half of the picture (bottom part) changed to blank.
Adjust so that half blanked- Picture bottom line in accord
with geometric vertical center of the CPT.
(2) V SHIFT (Vertical Shift)
Adjust so that the horizontal center line of a digital circle pattern
is in accord with geometric horizontal center of the CPT.
(3) V LINEAR (Vertical Linearity)
Adjust so that the boundary line between upper and lower
half is in accord with eometric horizontal center of the CPT
(4) V AMPLIT (Vertical Amplitude)
Adjust so that the circle of a digital circle pattern may be
located within the effective screen of the CPT.
(5) H SHIFT (Horizontal Shift)
Adjust so that the Horizontal center line of a digital circle
pattern is in accord with geometric vertical center of the CPT.
Copyright©2010 LG Electronics.Inc. All right reserved.
Only for training and service purposes.
1th VS 2th
BLACK LEVEL have a
little bit of difference.
(In case of VIETNAM
MODEL 2th VS 3th)
(6) EW WIDTH (Horizontal Width)
Adjust to that a digital circle pattern looks like exact circle.
[Figure] PAL Digital Pattern
(7) EW PARAB (East-west PARABOLA)
Adjust so that middle portion of the outer most left and
right vertical line looks like parallel with vertical lines of
the CPT.
(8) EW TRAPE (East-west TRAPEZOID)
Adjust to make the length of top horizontal line same
with it of the bottom horizontal line.
(9) EW UPCOR
Adjust until symmetries upper corner of the screen.
(10) EW LOCOR
Adjust until symmetries upper corner of the screen.
UPCOR
LOCOR
[Figure] Cross-Hatch Pattern (NTSC:US 51CH, PAL:C-8 CH)
(11) H BOW
Adjust the left and right crooked line on upper and lower side.
(12) H PARALL(ANGLE)
Adjust the vertical slope.
(13) SCORRECT (S-CORRECTION)
Adjust so that all distance between each Vertical lines
are to be the same.
* Pre-settled according to the CPT.
(14) V SCROLL
* Recommend initial setting data
(15) V ZOOM (Vertical Zoom)
* Pre-settled according to the CPT
3.8. Deflection setting Initial data ( SERVICE 2 )
Adjust : It is possible to adjust data.
Recommend : It is recommended, if necessary it is
FIX : Don't change data.
- 7 -
[Figure] NTSC Digital Pattern
(US13CH)
US 51CH
possible to adjust.
LGE Internal Use Only
EW PARAB
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