LG 30FZ1DC, Service Manual, Page: 13 / 41

8-3. Vertical Deflection Size Adjustment
(Overscan : 10%)
(1) Select 59. V-SIZE in the adjustment mode.
(2) Adjust until the smaller inscribed circle coincides with the
outer frame of screen.
(3) Select 95. LO-VLIN or 94. UP-VLIN and adjust until the
larger inscribed circle coincides with the outer frame of
screen.
8-4. Raster H-center(H.CENTER) Adjustment
Select 77. H Postion in the adjustment mode and adjust until
left and right screen are symmetrically equal.
8-5. Horizontal Deflection Size Adjustment
(1) Reduce 66 H-Size to verify screen protection (overscan)
on the right and left sides.
(2) Adjust the horizontal size, using a test pattern.
8-6. Horizontal Pincushion Adjustment
(1) Select EZ Adjust 2. Pin-Cushion by pressing the ADJ key
on the SVC Remote control.
(2) Select PIN-PHASE, PIN-AMP, AFC-BOW, AFC-ANGLE,
UP-CPIN, LO-CPIN in the adjustment mode and adjust
until there is no Pincushion distortion or trapezoid
distortion on the screen.
9. Component MST3586 Offset/Gain
Adjustment
9-1. Test Equipment
(1) SVC Remote Control,
(2) MASTER Pattern Generator
9-2. Preliminary Steps
(1) Turn the power supply on.
(2) Enter the Component mode.
(3) Receive the “1080I” Format, “Hoz30Bar” Pattern of the
Video Pattern Generator.
(4) Certainly, adjust the output signal in state of 700mVp-
p±10mV.
9-3. ADC Offset Adjustment
(1) After receiving a signal press the ADJ Key on the SVC
Remote Control repeatedly to acess the Adjustment mode.
(2) Adjustment will set the automatically by pressing the
“9.MST3586-Set” of adjustment item.
(3) After finishing the adjustment, output the “MST3586-OK”
OSD on the screen.
10. White Balance Adjustment
Perform the Screen Voltage Adjustment first.
Color Temp must be adjusted from Medium Mode.
(The image condition must be adjusted from Normal condition)
Manual adjustment is also possible by the following sequence.
(1) Receive White Pattern.
(2) Set screen size to wide mode
(3) Select EZ Adjust 2.White Balance by pressing ADJ Key on
the SVC Remote control.
(4) Adjustment
1) Using the SVC Remote control, set the DCOL value of
CXA2150 to the “0”.
2) Set an image with Normal image.
3) Adjust R-DRIVE and B-DRIVE data so the color
coordinates in High light are the values in Table below.
(Bright Level : 35Ft_L)
4) Adjust “CONTRAST” and “BRIGHT” so the bright level
is 4.5±0.5F.L.
5) Adjust R-CUT and B-CUT data so the color coordinates
in Low light are the values in Table below.
6) Repeat 2)~ 5) until the color coordinates in High and
Low color satisfies the Table.
7) After finishing the adjustment, resect the DCOL value of
CXA2150 to the “3”.
8) Check the adjusted color coordinates with the white
balance meter.
High Light : x=287
!
3, y=293
!
3
Low Light : x=287
!
3, y=293
!
3
Color temperature : 9,000K
!
1000(-5MPCD)
[
The White Balance it executes from automatic adjustment
hour Normal image condition.
Start adjustments from initial setting of R.DRIVE=31,
G.DRIVE=31, B.DRIVE=31, R.CUT=31, G.CUT=31,
B.CUT=31.
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ADJUSTMENT INSTRUCTIONS
<1080I Hoz30Bar Pattern>
LO-VLIN UP-VLIN