Read LG 37LV370S-ZB / 37LV375G-ZC / 37LV375S-ZC / 37LV375W-ZC (CHASSIS:LD12B) Service Manual online
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A
Adj. Map
A
3 Command White Balance Adj. Map
A
Infrared Sensor Adj. Map
4.2.5. 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 Sing), check adj. status pre
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sing), 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.
(2) Manual adj. method
1) Set TV in Adj. mode using POWER ON
2) Zero Calibrate the probe of Color Analyzer, then place it
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10cm of the surface.
3) Press ADJ key -> EZ adjust using adj. R/C -> 9.White-
Balance then press the cursor to the right (KEY
G
).
(When KEY(
G
) is pressed 216 Gray internal pattern will
be displayed)
4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
5) Adj. is performed in COOL, MEDIUM, WARM 3 modes
of color temperature.
A
If internal pattern is not available, use RF input. In EZ
Adj. menu 9.White Balance, you can select one of 2 Test
-pattern: ON, OFF. Default is inner(ON). By selecting
OFF, you can adjust using RF signal in 216 gray pattern.
Adj. menu 9.White Balance, you can select one of 2 Test
-pattern: ON, OFF. Default is inner(ON). By selecting
OFF, you can adjust using RF signal in 216 gray pattern.
A
Adj. condition and cautionary items
1) Lighting condition in surrounding area
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
isolate adj. area into dark surrounding.
2) Probe location
: Color Analyzer (CA-210) probe should be within
10cm and perpendicular of the module surface (80°~
100°)
10cm and perpendicular of the module surface (80°~
100°)
3) Aging time
- After Aging Start, Keep the Power ON status during
5 Minutes.
- In case of LCD, Back-light on should be checked
using no signal or Full-white pattern.
4.2.6. Reference (White Balance Adj. coordinate
and temperature)
A
Luminance : 204 Gray
A
Standard color coordinate and temperature using CS-1000
(over 26 inch)
(over 26 inch)
A
Standard color coordinate and temperature using CA-
210(CH 14)
210(CH 14)
ITEM
Command
Data Range(Hex.) Default(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
Command
SetID R Gain(HEX) G Gain(HEX) B Gain(HEX)
(lower case ASCII)
CMD1
CMD2
MIN
MAX
MIN
MAX
MIN
MAX
Cool
j
j
00
00
C0
00
C0
00
C0
Medium
j
k
00
00
C0
00
C0
00
C0
Warm
j
l
00
00
C0
00
C0
00
C0
Command
R Gain(HEX) G Gain(HEX) B Gain(HEX)
(lower case ASCII)
CMD1
CMD2
MIN
MAX
MIN
MAX
MIN
MAX
Cool
1
C
00
C0
00
C0
00
C0
Medium
1
D
00
C0
00
C0
00
C0
Warm
1
E
00
C0
00
C0
00
C0
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269
0.273
13000 K
0.0000
MEDIUM
0.285
0.293
9300 K
0.0000
WARM
0.313
0.329
6500 K
0.0000
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269 ± 0.002
0.273 ± 0.002 13000 K
0.0000
MEDIUM
0.285 ± 0.002
0.293 ± 0.002
9300 K
0.0000
WARM
0.313 ± 0.002
0.329 ± 0.002
6500 K
0.0000
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