LG 50PC1DA Service Manual page 14

7-4. Sequence of Adjustment
- DDC data of Analog-RGB
1) Init the data.
2) Load the EDID data.(Open File).
[ Analog file ] (for RGB)
[ Digital file ] (for GDMI)
3) Set the S/W as below.
4) Push the "Write Data & Verify"button. And confirm "Yes".
5) If the writing is finished, you will see the "OK" message.
8. Auto AV(CVBS) Color Balance
8-1. Requirement
This AV color balance adjustment should be performed
V
before white Balance Adjustment.
It is very import to use adjustment pattern like Fig.7.
V
1) 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)
2) If minimum Black level and/or maximum White level is
not correct, select 100% color bar pattern.
8-2. Required Equipment
1) Remote controller for adjustment.
2) AV Pattern Generator.
: 802F Pattern Generator, Master(MSPG-925FA), etc.
(Which has PAL Composite Video format output with
standard(1.0 Vpp) Vertical 100% Color Bar Pattern as Fig.7)
8-3. Method of Auto AV(CVBS) Color Balance
1) Input the PAL Composite Video into video input.
(Input 50Hz : AV3/AV4 Input)
2) Set the PSM to Standard mode in Picture menu.
3) Press IN-STAR 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. 7) Auto AV(CVBS) Color Balance Test Pattern
9. Adjustment of White Balance
9-1. Required Equipment
1) Remote controller for adjustment.
2) Color Analyzer. (CA-100 or same product)
3) Auto W/B adjustment instrument(only for Auto adjustment)
4) AV Pattern Generator.
9-2. Connecting diagram of equipment for
measuring (For Auto Adjustment)
(Fig. 8) Connection Diagram of Auto W/B Adjustment
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