Read LG 47LB7RF (CHASSIS:LP7AA) Service Manual online
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5. ADC Calibration
5.1 Adjustment of AV
* Required Equipments
•
Remote controller for adjustment
•
802F Pattern Generator, Master (MSPG-925FA), etc
•
MSPG-925FA Pattern Generator
(Which has Video Signal: 100% Color Bar Pattern
shown in Fig. 1)
=> Model: 202 / Pattern: 65 (PAL : CH).
Model: 207 / Pattern : 65 (NTSC-J).
(Fig. 1)
5.1.1 Method of Auto AV Color Balance
1) Press the FRONT-AV KEY on R/C for converting input
1) Press the FRONT-AV KEY on R/C for converting input
mode.
2) Input the Video Signal: 100% Color Bar signal into
AV(MA/TA)
3) Set the PSM to Dynamic mode in the Picture menu
4) Press INSTART key on R/C for adjustment
5) Press the
4) Press INSTART key on R/C for adjustment
5) Press the
(Vol. +) key to operate the set, then it
becomes automatically
6) Auto-RGB OK means the adjustment is completed
5.1.2 Requirement
•
This AV color balance adjustment should be performed
before White Balance Adjustment.
5.2 Adjustment of Component.
* Required Equipments
•
Remote controller for adjustment.
•
802F Pattern Generator, Master (MSPG-925FA), etc.
•
MSPG-925FA Pattern Generator
(Which has 720p@50Hz YPbPr signal : 100% Color
Bar Pattern shown in Fig. 2).
Bar Pattern shown in Fig. 2).
=> Model: 215 / Pattern: 65
•
It is very import to use correct adjustment pattern like
Fig. 2.
# If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern.
(Fig. 2)
5.2.1 Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar(MSPG-925FA
1) Input the Component 720p 100% Color Bar(MSPG-925FA
model:215, pattern:65) signal into Component ( ZA :
component , TA/MA : component 1 or 2)
component , TA/MA : component 1 or 2)
2) Set the PSM to Dynamic mode in the Picture menu.
3) Press the INSTART key on R/C for adjustment.
4) Press the
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
5.3 Adjustment of RGB)
* Required Equipments
•
Remote controller for adjustm
•
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. 3 )
•
It is very import to use correct adjustment pattern like
Fig. 10.
# If Minimum Black Level and/or Maximum White Level
is not correct, Do select 100% Color Bar Pattern.
(Fig. 3)
5.3.1 Method of Auto RGB Color Balance
1) Input the PC 1024x768 @ 60Hz with 100% color bar
1) Input the PC 1024x768 @ 60Hz with 100% color bar
pattern like Fig.3. into RGB.
2)
Set the PSM to Dynamic mode in Picture menu
3) Press the INSTART key on R/C for adjustment.
4) Press the
4) Press the
(Vol. +) key operate To set , then it becomes
automatically
5) Auto-RGB OK means adjustment is completed
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