LG 42LB9RTA Service Manual page 12

7.2 Adjustment of Component.
* Required Equipments
- Remote controller for adjustment
- 802F Pattern Generator, Master (MSPG-925FA), etc
- MSPG-925FA Pattern Generator
(Which has 720p@60Hz YPbPr signal : 100% Color
Bar Pattern shown in Fig. 3 )
=> Model: 217 / Pattern: 65
- It is very import to use correct adjustment pattern like
Fig.3.
a. Within the pattern, color sequence should be aligned
: White-Yellow-Cyan-Green-Magenta-Red-BLUE-
BLACK
(If color sequence is reversed (Black -> ...-> White),
reverse the pattern with REV key, when using Master
pattern generator like MSPG-925)
b. If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern.
7.2.1 Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar(MSPG-
925FA model:217, pattern:65) signal into Component.
(MH : component 1 )
2) Set the PSM to Dynamic mode in the Picture menu
3) Press the INSTART key on R/C for adjustment
4) Press the (Vol. +) key to operate the set, then it
becomes automatically
5) Auto-RGB OK means the adjustment is completed
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Only for training and service purposes
(Fig. 3)
7.3 Adjustment of RGB
* Required Equipments
- Remote controller for adjustment
- 802F Pattern Generator, Master (MSPG-925FA), etc
- MSPG-925FA Pattern Generator
(Which has XGA [1024*768] 60Hz PC Format output
signal : 100% Color Bar Pattern shown in Fig. 4 )
- It is very import to use correct adjustment pattern like
Fig. 4.
a. Within the pattern, color sequence should be aligned
: White-Yellow-Cyan-Green-Magenta-Red-BLUE-
BLACK
(If color sequence is reversed (Black -> ...-> White),
reverse the pattern with REV key, when using Master
pattern generator like MSPG-925)
b. If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern
7.3.1 Method of Auto RGB Color Balance
1) Input the PC 1024x768 @ 60Hz with 100% color bar
pattern like Fig.4. into RGB.
(Ex. MSPG-925FA, model:60, pattern:65)
2) Set the PSM to Dynamic mode in Picture menu
3) Press the INSTART key on R/C for adjustment
4) Press the
becomes automatically
5) Auto-RGB OK means adjustment is completed
- 12 -
(Fig. 4)
(Vol. +) key operate To set , then it
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