White Balance Adjustment; Rs-232C Command (Commonly Apply); Adjustment Mapping Information - LG 50PB560B Service Manual

■ White Balance Adjustment

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.
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 "Test-Pattern. On" will be selected in The
"Test-Pattern. On/Off".
● Connect all cables and equipments like Pic.5)
● Set Baud Rate of RS-232C to 115200. It may set 115200
orignally.
● Connect RS-232C cable to set
● Connect HDMI cable to set

■ RS-232C Command (Commonly apply)

RS-232C COMMAND
[CMD ID DATA]
wb 00 00
wb 00 10
wb 00 1f
wb 00 20
wb 00 2f
wb 00 ff
● "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)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Meaning
White Balance adjustment start.
Start of adjust gain
(Inner white pattern)
End of gain adjust
Start of offset adjust
(Inner white pattern)
End of offset adjust
End of White Balance adjust
(Inner pattern disappeared)

■ Adjustment Mapping information

RS-232C
COMMAND
[CMD ID DATA]
Cool Mid
R Gain jg Ja
G Gain jh Jb
B Gain ji Jc
R Cut
G Cut
B Cut
● When Color temperature (White balance) Adjustment
(Automatically)
- Press "Power only key" of service remocon and operate
automatically adjustment.
- Set BaudRate to 115200.
● You must start "wb 00 00" and finish it "wb 00 ff".
● If it needs, then adjustment "Offset".
■ White Balance Adjustment (Manual adjustment)
● Test Equipment: CA-210
- Using PDP color temperature, Color Analyzer (CA-210)
must use CH 10, which Matrix compensated (White, Red,
Green, Blue compensation) with CS-2100. See the
Coordination bellowed one.
● Manual adjustment sequence is like bellowed one.
- Turn to "Ez-Adjust" mode with press ADJ button of service
remocon.
- Select "10.Test Pattern" with CH+/- button and press
enter. Then set will go on Heat-run mode. Over 30
minutes set let on Heat-run mode.
- Let CA-210 to zero calibration and must has gap more
10cm from center of PDP module when adjustment.
- Press "ADJ" button of service remocon and select
"7.White-Balance" in "Ez-Adjust" then press "►" button of
navigation key. (When press "►" button then set will go to
full white mode)
- Adjust at three mode (Cool, Medium, Warm)
- If "cool" mode
Let B-Gain to 192 and R, G, B-Cut to 64 and then control
R, G gain adjustment High Light adjustment.
- If "Medium" and "Warm" mode Let R-Gain to 192 and R,
G, B-Cut to 64 and then control G, B gain adjustment
High Light adjustment.
- All of the three mode
Let R-Gain to 192 and R, G, B-Cut to 64 and then control
G, B gain adjustment High Light adjustment.
- With volume button (+/-) you can adjust.
- After all adjustment finished, with Enter (■ key) turn to
Ez-Adjust mode. Then with ADJ button, exit from
adjustment mode
* Attachment: White Balance adjustment coordination and
color temperature.
● Using CS-1000 Equipment.
- COOL : T=11000K, ∆uv=0.000, x=0.276 y=0.283
- MEDIUM : T=9300K, ∆uv=0.000, x=0.285 y=0.293
- WARM : T=6500K, ∆uv=0.000, x=0.313 y=0.329
- 9 -
M CENTER
I (DEFAULT)
N
Warm Cool Mid Warm
jd 00 184 192
je 00 187 183
jf 00 192 161
64 64
64 64
64 64
LGE Internal Use Only
M
A
X
192 192
159 192
95 192
64 127
64 127
64 127