White Balance - LG RZ-37LZ55 Service Manual

4. ADC Calibration
4.1 Adjustment of RF/AV/SAV
* Test Equipment
- Remote controller for adjustment
- MSPG-925F Pattern Generator->Model: 202 / Pattern: 32
4.1.1 Method of Auto RF/AV/S-VIDEO Color Balance.
1) Input the Video Signal: 75% Color Bar signal into AV3
(RZ), AV1(RT), VIDEO1(RM)
2) Set the PSM to Standard mode in the Picture menu.
3) Press ADJ 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.
4.2 Adjustment of Component.
* Required Equipments
- Remote controller for adjustment
- MSPG-925F Pattern Generator->Model: 215 / Pattern: 33
4.2.1 Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar(MSPG-
925F model:215, pattern:33) signal into Component.
(RZ : component , RT/RM : component 1 or 2)
2) Set the PSM to Standard mode in the Picture menu.
3) Press the ADJ 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.
4.3 Adjustment of RGB
* Required Equipments
- Remote controller for adjustment
- MSPG-925F Pattern Generator
4.3.1 Method of Auto RGB Color Balance
1) Input the PC 1024x768@75Hz 1/2 Black & White
Pattern(MSPG-925F model:39, pattern:18) into RGB.
(using D-sub to DVI-I cable)
2) Set the PSM to Standard mode in Picture menu.
3) Press the ADJ key on R/C for adjustment.
4) Press the (Vol. +) key operate To set , then it
becomes automatically.
5) Auto-RGB OK means adjustment is completed.
=> Before White-Balance, the AV ADC should be
done.
(RZ : AV, RT : AV1, RM : VIDEO1)
Notice : Before White-Balance, change input mode
- Move to AV3(RZ) or AV(RT) or VIDEO(RM) by using
Remote controller.

5. white Balance

5.1 Manual white Balance (AV)
1) Execute CA-110 Zero Calibration.
2) Execute the SET Heat Run for 30minutes
3) Push the ADJ Button then you can see the OSD
4) Push the ADJ Button again for White Balance mode
5) Adjust High light with R/B Gain/Offset(G Gain fix, G
Offset fix)
5.2 Auto White Balance(AV)
Command1 Command2 Set ID
Min
Input Select XB B
R-Gain J A
G-Gain J B
B-Gain J C
R-Offset J D
G-Offset J E
B-Offset J F
- 12 -
Data Default Value
Max 26 32 37 42
00 00h 90h
00 00h E0h CE D6
00 00h E0h BD BD
00 00h E0h B1 C5
00 00h 90h 81 81
00 00h 90h 80 80
00 00h 90h 7F 7F
B8 D0
B1 BD
BA B4
80 80
80 80
7F 7E