42LB1R (CHASSIS:ML051B) - LG TV Service Manual (repair manual). Page 12

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4. ADC Calibration
4.1 Adjustment of RF/AV/S-VIDEO
* Test Equipment
- Remote controller for adjustment
- MSPG-925F Pattern Generator (Which has Video Signal:
75% Color Bar Pattern shown in Fig. 1) 
=> Model: 202 / Pattern: 32 (PAL : ZE, TE)
Model: 207 / Pattern : 32 (NTSC-J : ME)
Case1) ZE  and TE model use PAL-BGDHI (composite
signal) 
Case2) ME model use NTSC-J pattern (composite signal)
4.1.1 Method of Auto RF/AV/S-VIDEO Color Balance.
1) Input the Video Signal: 75% Color Bar signal into AV3
(ZE), AV1(TE), VIDEO1(ME)
2) Set the PSM to Standard mode in the Picture menu.
[Fig.1]
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.
(ZE : component , TE/ME : component 1 or 2)
2) Set the PSM to Standard mode in the Picture menu.
[Fig.2]
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. 
[Fig.3]
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.
(ZE : AV3, TE : AV, ME : VIDEO)
Notice : Before White-Balance, change input mode
- Move to AV3(ZE) or AV(TE) or VIDEO(ME) by using
Remote controller.
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