LG 42PX5R Service Manual page 13

7) Adjust Only High Light with R Gain/ B Gain using
(VOL+/-) key on R/C.
8) Adjust it until color coordination becomes as below.
(Initially, R/G/B gain and R/G/B offset values are fixed as
below)
Red Gain : 82, Green Gain : 80,
Red Offset :7D, Green Offset: 7E,
Bright : High Light : 80 ± 20cd/m
Color-Coordinate : High Light : X : 0.287 ± 0.003
Color Temperature : 9,300°K ± 500°K
216 Level (85 IRE)
(Fig. 9) Pattern for Adjustment of White Balance
9) When adjustment is completed, Exit adjustment mode using
EXIT key on R/C
8. Auto Component Color Balance
8-1. Requirement
It is Very import to use correct adjustment pattern like Fig10.
O
- 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)
- If Minimum Black Level and/ or Maximum Whit Level is
not correct, Select 100% Color Bar pattern.
8-2. Required Test Equipment
1) Remote controller for adjustment
2) 802F Pattern Generator
(Which has 720p Ypbpr output with Standard (0.7Vpp)
Vertical 100% Color Bar Pattern as Fig.10)
(Fig. 10) Auto Component Color Balance Test Pattern
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F G
/
Blue Gain : 86
Blue Offset : 80
2
Y : 0.291 ± 0.003
- 13 -
8-3. 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.
G
4) Press the (Vol. +) key operate To set, then it becomes
automatically.
5) Auto-RGB OK means complete adjustment
9. Auto RGB Color Balance
9-1. Requirement
It is very import to use correct adjustment pattern like Fig11
O
- 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)
- If Minimum Black Level and/ or Maximum Whit Level is
not correct, Select 100% Color Bar pattern.
9-2. 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.11)
9-3. 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 G (Vol. +) key operate To set, then it becomes
automatically.
5) Auto-RGB OK means completed adjustment.
(Fig. 11) Auto RBG Color Balance Test Pattern