Read LG 42LV375H-ZA (CHASSIS:LD03X) Service Manual online
- 11 -
* Address 10/11 and 7F means Manufacture Week and
Checksum. So this data will be change.
A
Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
,
ⓕ
)
ⓐ
Product ID
ⓑ
Serial No. : Controlled on product line
ⓒ
Month, Year: Controlled on production line:
ex) Monthly : ‘01’ -> ‘01’
Year : ‘2010’ -> ‘14’
ⓓ
Model Name(Hex):
ⓔ
Checksum: Changeable by total EDID data.
ⓕ
Vendor Specific(HDMI)_FHD Model
5.3. White Balance Adjustment
5.3.1. 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
(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.
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 %
2) Warm-up time: About 5 Min
3) Surrounding Humidity : 20 % ~ 80 %
5.3.2. Equipment
1) Color Analyzer: CA-210 (CCFL/EEFL -> CH 9)
2) Adj. computer(During auto adj., RS-232C protocol is needed)
3) Adjustment remote control
4) Video Signal Generator MSPG-925F 720p/216-Gray
2) Adj. computer(During auto adj., RS-232C protocol is needed)
3) Adjustment remote control
4) Video Signal Generator MSPG-925F 720p/216-Gray
(Model:217, Pattern:78)
-> Only when internal pattern is not available
-> Only when internal pattern is not available
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Color Analyzer Matrix should be calibrated using CS-1000.
5.3.3. Equipment connection MAP
5.3.4. Adj. Command (Protocol)
A
RS-232C Command used during auto-adj.
Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. completed
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.
A
Adj. Map
5.3.5. Adj. method
(1) Auto adj. method
1) Set TV in adj. mode using POWER ON key.
2) Zero calibrate probe then place it on the center of the
2) Zero calibrate probe then place it on the center of the
Display.
3) Connect Cable (RS-232C).
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sign), check adj. status pre
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sign), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj..
A
W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
finish as end command “wb 00 ff”, and Adj. offset if need.
Model Name
HEX
EDID Table
DDC Function
FHD Model
0001
01 00
Analog
0001
01 00
Digital
MODEL
MODEL NAME(HEX)
LG TV
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT
MODEL NAME(HEX)
HDMI1
67 03 0C 00 10 00 B8 2D
HDMI2
67 03 0C 00 20 00 B8 2D
FHD
ⓔ
1
ⓔ
2
ⓔ
3
HDMI1
D7
11
X
HDMI2
D7
01
X
RGB
X
X
1D
Co lo r An alyzer
Co m p ut er
Pat t ern Gen erat o r
RS -232C
RS -232C
RS -232C
Probe
Signal Source
* If TV internal pattern is used, not needed
RS-232C COMMAND
Explanation
[CMD
ID
DATA]
wb
00
00
Begin White Balance adj.
wb
00
10
Gain adj.(internal white pattern)
wb
00
1f
Gain adj. completed
wb
00
20
Offset adj.(internal white pattern)
wb
00
2f
Offset adj. completed
wb
00
ff
ITEM
Command
Data Range
Default
(Hex.)
(Decimal)
Cmd 1
Cmd 2
Min
Max
Cool
R-Gain
j
g
00
C0
G-Gain
j
h
00
C0
B-Gain
j
i
00
C0
R-Cut
G-Cut
B-Cut
Medium
R-Gain
j
a
00
C0
G-Gain
j
b
00
C0
B-Gain
j
c
00
C0
R-Cut
G-Cut
B-Cut
Warm
R-Gain
j
d
00
C0
G-Gain
j
e
00
C0
B-Gain
j
f
00
C0
R-Cut
G-Cut
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