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White Balance Adjustment - LG PF-43A20 Service Manual

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6. Red Convergence Adjustment
1) Press TV/AV button and select the red cursor.
2) If necessary, cover B lens.
3) Adjust as same as the green convergence adjustment and
coincide the red pattern with the green pattern.
7. Blue Convergence Adjustment
1) Press TV/AV button and select the blue cursor.
2) Adjust as same as the red convergence adjustment and
coincide the blue pattern with the green pattern.
8. Adjustment DATA Save
Press buttons 9 & 1 and save adjustment DATA.
9.
Press
button to escape from the adjustment.
M
¡ White Balance Adjustment
1.
Used Tools : Brightness meter (TOPCON BM-7)
2. Condition
1) It must be operated at a place of the darkroom.
2) This adjustment must be performed after focus
adjustment finished.
3) Brightness meter must be at a place of 3[m] from the
middle of optical screen.
4) Adjust focus of brightness meter to optical screen.
And adjust the field angle. (1¡£ )
3. Adjustment
1) Receive the white balance signal of 100%.
2) Select SVC Mode by SVC Remote Controller.
3) Adjust G-GN & B-GN and X=0.280 & Y=0.300. (Deviation :
¡ 0.005)
¡ Sub White Balance Adjustment
1) Press OK buttons on both of TV and Remote Controller at
the same time to get into SVC mode.
2) Press the Yellow button to find a TABLE of below 3
tables.
<Table 1>
SVC 3 MODE
H-CEN
09
50
SBRIGHT
STINT
50
3) Select a menu with channel up/down button and adjust
the data with volume ¡ª/¡ button.
4) Press OK button to save the data.
5) Press TV/AV button to escape the SVC mode.
<Table 2>
<Table 3>
SVC 3 MODE
SVC 3 MODE
Rcut
128
FM PRE
Gcut
141
NC PRE
Bcut
112
SC PRE
G-GN
138
SC VOL
B-GN
111
PH VOL
19
74
36
50
50
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