50PM1M-UC (CHASSIS:RF-052C) - LG TV Service Manual (repair manual). Page 12

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ADJUSTMENT INSTRUCTIONS
9. Auto RGB Color Balance
[Requirement]
It is very import to use correct adjustment pattern like fig. 11.
1) Within the pattern, color sequence should be aligned:
W-Y-C-G-M-R-BLUE-BLACK
(If color sequence is reversed(Black -> ... > White), reverse
the pattern with REV key, when using Master pattern
generator like MSPG-925)
2) If Minimum Black Level and/or Maximum White Level is not
correct, Do select 100% Color Bar Pattern.
9-1. Required Test Equipment
(1) Remote controller for adjustment
(2) 802F Pattern Generator
(Which has VGA 60Hz PC Format output with standard
(0.7Vpp) Vertical 16 Gray Scale pattern as Fig.11)
9-2. Method of Auto RGB Color Balance
(1) Input the PC 1024x768 @ 60Hz 100% Color bar into RGB.
(2) Set the PSM to Standard mode in Picture menu.
(3) Press ADJ key on R/C for adjustment.
(4) Press the 
(Vol. +) key operate To set, then it becomes
automatically.
(5) Auto-RGB OK means completed adjustment.
10. Default Value in Adjustment Mode
10-1. Auto Color Balance (Component/RGB)
10-2. White Balance
Auto Color Balance(HEX)
Auto-RGB
G
 To Set
Source
Cortez
Red 
Offset1
22
Green Offset1
24
Blue
Offset1
23
Red
Offset2
45
Green Offset2
43
Blue
Offset2
37
Red
Gain
014
Green Gain
031
Blue
Gain
011
Reset
G
 To Set
White Balance(Hex)
Red 
Gain
82
Red 
Offset
80
Green Gain
86
Green Offset
7D
Blue
Gain
7E
Blue
Offset
80
Reset
G
 
To Set
(Fig. 11)  Auto RGB Color Balance Test Pattern
(Fig. 12)  Default Value on OSD
(Fig. 13)  Default Value on OSD
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