Read LG 47SL90QD-CA (CHASSIS:LC91L) Service Manual online
4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210 : CH 14(white LED Module),
Test signal : Inner pattern (85IRE)
Test signal : Inner pattern (85IRE)
· Video Signal Generator MSPG-925F 720p/216Gray
(Mode: 217, Pattern:778)
-> Only when internal pattern is not available
· Above 5 minutes H/run in the inner pattern. (‘POWER ON’
key of adjust remote control)
· Standard color coordinate and temperature using CS-1000
· W/B target value is different according to aging time
· W/B target value is different according to aging time
* Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out.
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out.
* Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(80~100°).
Module and Color Analyzer’s Prove vertically.(80~100°).
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 15minutes.
- Using ‘no signal’ or ‘full white pattern’ or the others, check
the back light on.
• Auto adjustment Map(RS-232C)
** Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range
of Module)
* Manual W/B process using adjusts Remote control.
• After enter Service Mode by pushing “ADJ” key,
• Enter White Balance by pushing “
• Enter White Balance by pushing “
G
” key at “3. White
Balance”.
* After all adjustments, press “IN-START” key and compare
Tool option and Area option value with its BOM, if it is
correctly same then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug AC
cable.
For correct it to the model’s module from factory JIG model.
correctly same then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug AC
cable.
For correct it to the model’s module from factory JIG model.
* Push the “IN STOP” key after completing the function inspection.
- 11 -
Cool 13,000k
ºK
X=0.269(±0.002)
Y=0.273(±0.002)
<Test Signal>
Medium 9,300k
ºK
X=0.285(±0.002)
Inner pattern
Y=0.293(±0.002)
(216gray,85IRE)
Warm
6,500k
ºK
X=0.313(±0.002)
Y=0.329(±0.002)
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
ANALYZER
TYPE: CA-210
RS-232C Communication
CA-210
RS-232C COMMAND MIN
CENTER
MAX
[CMD ID DATA]
(DEFAULT)
Cool
Mid
Warm
Cool
Mid
Warm
R Gain
jg
Ja
jd
00
172
192
192
255
G Gain
jh
Jb
je
00
172
192
192
255
B Gain
ji
Jc
jf
00
192
192
172
255
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
Index
Equipment -> Wireless unit
Wireless unit -> Set
CMD1 CMD2 Set ID Data CMD1 CMD2 CMD3 CMD4
Start
w
b
0
00
1F
04
00
00
Gain start
w
b
0
10
1F
04
00
10
Gain End
w
b
0
1F
1F
04
00
1F
Offset Start
w
b
0
20
1F
04
00
20
Offset End
w
b
0
2F
1F
04
00
2F
End
w
b
0
FF
1F
04
00
FF
White Balance
Color Temp.
Cool
R-Gain
172
G-Gain
172
B-Gain
192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern
ON
Reset
To Set
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
Minute
Cool
Medium
Warm
1
0~4
274/283
292/304
318/334
2
5~9
273/281
291/302
317/332
3
10~14
273/279
291/302
317/330
4
15~24
272/277
290/298
316/328
5
25~39
271/275
289/296
315/326
6
40~49
270/273
288/294
314/324
7
50~79
269/273
286/293
313/324
8
80~
269/273
285/293
313/324
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