60PB4DT-UB (CHASSIS:PA72A) - LG TV Service Manual (repair manual). Page 12

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[
Detail EDID Options are below [a], [b], [c], [d]
(4) [a] Serial No:  Controlled on production line
(5) [b] Month, Year: Controlled on production line:  
Ex) Montly: ‘03‘  ==>  ‘03‘
Year:  ‘2006‘ ==>  ‘10‘
(6) [c] Model Name(Hex):
(7) [d] Checksum: Changeable by total EDID data
10. Adjustment of White Balance
Adjust to equalize the white color caused by the module
deviation
10-1. Required Test Equipment
(1) Color Analyzer 
1) Plasma Model: CA-100+(CH 10), CA-100(CH10), CA-
210U(CH 10)
2) Use the instrument with the matrix compensated by the
CS-1000 as the color analyzer.
(2) Signal Source (the internal pattern of the TV set)
(3) Computer for adjusting (necessary for the automatic
adjustment, possible to communicate with the RS-232C)
(4) Remote controller for adjusting
10-2.  Connection Diagram of Equipment 
for Measuring 
10-3. Set Adjustment Condition
(1) Communication Method : RS-232C
(2) Communication Speed(Baud Rate): 115200
(3) PSM: Day light
(4) CSM: Cool Mode
(5) Heat-Run Condition: Above 15 minutes 100% Full White
Pattern
(6) Adjustment Mode: Inside Pattern
(7) Adjust at the place with 10 lux or less of the surrounding
luminous intensity.
[
Items (2), (3), (4) and (5) are automatically set by the
Power On key of the remote controller for adjusting.
10-4. Adjustment Command(Protocol)
(1) Protocol
<Order Format>
1) LEN: Number of data bytes to send
2) CMD: Command to execute
3) VAL: FOS Data Value
4) CS: Checksum of the sent data
5) A: Acknowledge
Ex) 
[Send: JA_00_DD]
[Ack: A_00_okDDX]
(2) RS-232C command used for the automatic adjustment
Ex) Wb 00 00-----white balance Automatic Adjustment Start 
Wb 00 10-----Gain Adjustment start (Inside pattern)
Ja 00 ff------Adjustment Data
Jb 00 c0
...
...
Wb 00 1f-----Gain Adjustment End
*(wb 00 20(Start), wb 00 2f(End))----- When adjust Off-set
Wb 00 ff------White Balance Automatic Adjustment End   
(Disappear Inside pattern)
(3) Adjustment Map
ADJUSTMENT INSTRUCTIONS
Model Name
Model Name(HEX)
LG TV
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
Probe
Color Analyzer
Computer
Pattern Generator
RS-232C
RS-232C
RS-232C
Signal Source
[
It is not used when using the internal
pattern of the TV set
START 6E A
A
A
A
LEN
CMD
STOP
VAL
50
03
A
A
A
A
00
CS
wb
wb
wb
wb
wb
wb
00
00
00
00
00
00
00
10
1f
20
2f
Ff
White Balance Adjustment Start
Gain Adjustment Start(Inside white pattern)
Gain Adjustment End
Offset Adjustment Start(Inside white pattern)
Offset Adjustment End
White Balance Adjustment End
(Disappear Inside pattern)
RS-232C COMMAND
[CMD     ID     DATA]
Meaning
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
255
255
255
127
127
127
Warm
Min
Max
184
187
192
64
64
64
Cool
161
183
192
64
64
64
Mid
192
159
95
64
64
64
Warm
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