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LG 37LE5500 Service Manual page 11

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ⓐ Product ID
Model Name
HEX
All Model
0001
0001
ⓑ Serial No. : Controlled on product line
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' -> '01'
Year : '2010' -> '14'
ⓓ Model Name(Hex):
MODEL
all
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
ⓔ Checksum: Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
INPUT
HDMI1
HDMI2
HDMI3
HDMI4
HDMI5
4.3. White Balance Adjustment
4.3.1 Overview
(1) W/B adj. Objective & How-it-works
(2) Objective: To reduce each Panel's W/B deviation
(3) How-it-works : When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range. In order to
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
(4) Adj. condition : normal temperature
1) Surrounding Temperature : 25 ºC ± 5 ºC
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
4.3.2 Equipment
1) Color Analyzer: CA-210 (LED Module : CH 14)
2) Adj. Computer(During auto adj., RS-232C protocol is
needed)
3) Adjust Remocon
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
Color Analyzer Matrix should be calibrated using CS-1000
A
4.3.3. Equipment connection MAP
Probe
* If TV internal pattern is used, not needed
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
EDID Table
DDC Function
01 00
Analog
01 00
MODEL NAME(HEX)
MODEL NAME(HEX)
67 03 0C 00 10 00 B8 2D
67 03 0C 00 20 00 B8 2D
67 03 0C 00 30 00 B8 2D
67 03 0C 00 40 00 B8 2D
67 03 0C 00 50 00 B8 2D
Co lo r Analyzer
RS -232C
Co m p ut er
RS -232C
RS -232C
Pat t ern Generat o r
Signal Source
4.3.4. Adj. Command (Protocol)
<Command Format>
- LEN: Number of Data Byte to be sent
Digital
- CMD: Command
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
A
RS-232C Command used during auto-adj.
RS-232C COMMAND
[CMD
ID
wb
00
wb
00
wb
00
wb
00
wb
00
wb
00
Ex) wb 00 00 -> Begin white balance auto-adj.
Adj. Map
A
Cool
Medium
Warm
- 11 -
LEN
CMD
DATA]
00
Begin White Balance adj.
10
Gain adj.(internal white pattern)
1f
Gain adj. completed
20
Offset adj.(internal white pattern)
2f
Offset adj. completed
ff
End White Balance adj.(Internal pattern disappears)
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
*(wb 00 20(Start), wb 00 2f(completed)) -> Off-set adj.
wb 00 ff -> End white balance auto-adj.
ITEM
Command
Cmd 1
Cmd 2
R-Gain
j
g
G-Gain
j
h
B-Gain
j
i
R-Cut
G-Cut
B-Cut
R-Gain
j
a
G-Gain
j
b
B-Gain
j
c
R-Cut
G-Cut
B-Cut
R-Gain
j
d
G-Gain
j
e
B-Gain
j
f
R-Cut
G-Cut
CS
VAL
Explanation
Data Range
Default
(Hex.)
(Decimal)
Min
Max
00
C0
00
C0
00
C0
00
C0
00
C0
00
C0
00
C0
00
C0
00
C0
LGE Internal Use Only

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