LG 42PX4R Service Manual page 13

8. Auto Component Color Balance
8-1. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator
(Which has 720p Ypbpr output & PC 1024x768 60Hz with
Standard(0.7Vpp) Vertical 100% Color Bar Pattern as Fig.8)
8-2. Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar signal into
Component1 or Component2.
2) Set the PSM to Standard mode in Picture menu.
3) Press INSTART key on R/C for adjustment.
4) Press the (Vol. +) key operate To set, then it becomes
G
automatically.
5) Auto-RGB OK means complete adjustment
(Fig. 8) Auto Component Color Balance Test Pattern
9. Auto RGB Color Balance
9-1. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator, Master (MSPG-925FA), etc.
(Which has XGA 60Hz PC Format output with standard
(0.7Vpp) horizontal black and white pattern as Fig.10)
9-2. Method of Auto RGB Color Balance
1) Input the PC 1024x768 60Hz horizontal black and white
pattern 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
G
automatically.
5) Auto-RGB OK means completed adjustment.
(Fig. 9) Auto RGB Color Balance Test Pattern
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9. Default Value in Adjustment mode
9-1. Auto Color Balance (Component/RGB)
9-2. White Balance
Level : 0
Level : 255
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Auto Color Balance(HEX)
Auto-RGB To Set
G
Red Offset1 80
Green Offset1 80
Blue Offset1 80
Red Offset2 80
Green Offset2 80
Blue Offset2 80
Red Gain 80
Green Gain 80
Blue Gain 80
Reset To Set
G
(Fig. 10) Default Value on OSD
White Balance(Hex)
Red Gain 80
Red Offset 80
Green Gain 80
Green Offset 80
Blue Gain 80
Blue Offset 80
Reset To Set
G
(Fig. 10-1) Default Value on OSD