LG Electronics 32FZ4D-UA, 30FZ4D service manual Sub Bright, TINT, Color Adjustment

ADJUSTMENT INSTRUCTIONS

5-4. Raster H-center(H.CENTER) Adjustment

Select 77. H Postion in the adjustment mode and adjust until left and right screen are symmetrically equal.

5-5. 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.

5-6. 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.

6.Component AD9883A Offset/Gain Adjustment

6-1. Test equipment

(1)SVC Remote Control,

(2)801GF(802B, 802F, 802R) pattern generator

<1080I Hoz30Bar Pattern>

7. White Balance Adjustment

Perform the screen 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 4. White Balance on the SVC Remote control.

(4)Adjustment

1.Set an image with Normal image.

2.Adjust R-DRIVE and B-DRIVE data so the color coordinates in High light are the values in Table below. (bright level : 25Ft_L)

3.Adjust “CONTRAST” and “BRIGHT” so the bright level is 4.5±0.5Ft_L.

4.Adjust R-CUT and B-CUT data so the color coordinates in Low light are the values in Table below.

5.Repeat 1 ~ 4 until the color coordinates in High and Low color satisfies the Table.

6.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.

6-2. Preliminary Steps

(1)Turn the power supply on.

(2)Enter the Component mode.

(3)Receive the 1080I, Hoz30Bar Pattern of the 801GF.

6-3. ADC Offset Adjustment

(1)After receiving a signal press the ADJ Key on the SVC Remote Control repeatedly to acess the Adjustment mode.

(2)#9. Set Adjustment will set the AD9883A automatically.

8. Sub Bright, TINT, COLOR Adjustment

8-1. Sub Bright Adjustment

0 1 2 3 4 5 6 7 8 9

US14CH

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