LG 42LB7DF, Руководство по обслуживанию

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7. Adjustment Color Temperature
(White Balance)
7-1. Using Instrucments
(1) Color Analyzer: CA-210 (CH 9)
- Using LCD color temperature, Color Analyzer (CA-210)
must use CH 9, which Matrix compensated (White, Red,
Green, Blue compensation) with CS-2100. See the
Coordination bellowed one.
(2) Auto-adjustment Equipment (It needs when Auto-
adjustment - It is availed communicate with RS-232C :
Baud rate: 115200)
(3) Video Signal Generator MSPG-925F 720p, 216Gray
(Model: 217, Pattern 78)
7-2. Connection Diagram(Auto Adjusment)
(1) Using Inner Pattern
(2) Using HDMI input
7-2. White Balance Adjusment
(1) If you can’t adjust with inner pattern, then you can adjust it
using HDMI pattern. You can select option at “Ez-Adjust
Menu - 7. White Balance” there items “NONE, INNER,
HDMI”. It is normally setting at inner basically. If you can’t
adjust using inner pattern you can select HDMI item, and
you can adjust.
(2) In manual Adjust case, if you press ADJ button of service
remocon, and enter “Ez-Adjust Menu - 7. White Balance”,
then automatically inner pattern operates. (In case of
“Inner” originally “Inner” will be selected.
1) Connect all cables and equipments like Pic.5)
2) Set Baud Rate of RS-232C to 115200. It may set
115200 orignally.
3) Connect RS-232C cable to set
4) Connect HDMI cable to set
5) Select LA75A Chassis at Adjustment equipment, and
adjust.
A RS-232C Command(Commonly apply)
- Wb 00 00 Start Auto-adjustment of white balance
- Wb 00 10 Start Gain adjustment (Inner pattern)
- Jb 00 c0
- …
- Wb 00 1f End of Adjustment
* If it needs, offset adjustment(wb 00 20-Start, wb 00 2f-End)
- Wb 00 ff End of white balance adjustment
(Inner pattern disappear)
* Notice!
Adjustment Mapping information.
- When Color temperature (White balance) Adjustment.
(Automatically)
1) Press “Power only key” of service remocon and operatie
automatically adjustment.
2) Set BaudRate to 115200.
- You must start “wb 00 00” and finish it “wb 00 ff”.
- If it needs, then adjustment “Offset”.
- 17 - LGE Internal Use Only Copyright©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Color Analyer
RS-232C
Full White Pattern
(Inner pattern)
<Fig. 5> Connection diagram for Adjusment White balance
216Gray White Pattern
(HDMI Pattern)
Color Analyer
MSPG-925FS MSPG-925FS
Video Signal Generator
ideo Signal Generator
Model : 217 Model : 217
Pattern : 78
Pattern : 78
RS-232C RS-232C
Baud Rate : 1
Baud Rate : 115200 15200
Meaning
RS-232C Command
[CMD ID DATA]
wb
wb
wb
wb
wb
wb
00
00
00
00
00
00
00
10
1f
20
2f
ff
Start white balance adjustment
Start Gain adjustment(Internal white pattern)
End Gain adjustment
Start Offset adjustment (Internal white pattern)
End Offset adjustment
End white Balance adjustment (Internal pattern disappear)
R Gain
G Gain
B Gain
R Cut
G Cut
B Cut
jg
jh
ji
Cool
ja
jb
jc
Mid
RS-232C COMMAND
[CMD ID DATA]
CENTER
(DEFAULT)
jd
je
jf
00
00
00
192
192
192
127
127
127
Warm
Min Max
184
187
192
64
64
64
Cool
192
183
161
64
64
64
Mid
192
159
95
64
64
64
Warm