32LS5700 (CHASSIS:LB22E) - LG TV Service Manual (repair manual). Page 11

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4. Total Assembly line process
4.1. Adjustment Preparation
▪ W/B Equipment condition
CA210
: CCFL/EEFL -> CH9, Test signal: Inner pattern(80IRE)
  LED -> CH14, Test signal: Inner pattern(80IRE)
▪  Above 5 minutes H/run in the inner pattern. ("power on" key 
of Adjustment remote control)(Only EEFL)
* White Balance table.
▪  Edge  LED  module  change  color  coordinate  because  of 
aging time 
▪  Apply  under  the  color  coordinate  table,  for  compensated 
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.
* Auto-control interface and directions
(1)  Adjust in the place where the influx of light like floodlight 
around is blocked. (Illumination is less than 10 lux).
(2)  Adhere closely the Color analyzer(CA210) to the module 
less than 10 cm distance, keep it with the surface of the 
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 5 minutes.
-  Using 'no signal' or 'POWER ONLY' or the others, check 
the back light on.
▪ Auto adjustment Map(RS-232C)
RS-232C COMMAND
[CMD  ID  DATA]
  Wb 
00  00 
White Balance Start
  Wb 
00  ff 
White Balance End
<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)
* Manual W/B process using adjust Remote control.
▪ After enter Service Mode by pushing "ADJ" key,
▪  Enter  White  Balance  by  pushing  "►"  key  at  "9.  White 
Balance".
 
*  After you finished 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.
*  Push  the  “IN  STOP"  key  after  completing  the  function 
inspection. And  Mechanical  Power  Switch  must  be  set 
“ON”. 
Full White Pattern
CA-210
COLOR
ANALYZER
TYPE : CA-210
RS-232C Communication
Cool
13,000 K X=0.269 (±0.002)
Y=0.273 (±0.002)
<Test Signal>
Inner pattern
(204gray, 80IRE)
Medium
9,300 K X=0.285 (±0.002)
Y=0.293 (±0.002)
Warm
6,500 K X=0.313 (±0.002)
Y=0.329 (±0.002)
GP4
Aging 
time
(Min)
Cool
Medium
Warm
X
y
x
y
x
y
269
273
285
293
313
329
1
0-2
280
287
296
307
320
337
2
3-5
279
285
295
305
319
335
3
6-9
277
284
293
304
317
334
4
10-19
276
283
292
303
316
333
5
20-35
274
280
290
300
314
330
6
36-49
272
277
288
297
312
327
7
50-79
271
275
287
295
311
325
8
80-119
270
274
286
294
310
324
9
Over 120
269
273
285
293
309
323
RS-232C COMMAND
[CMD ID DATA]
MIN
CENTER
(DEFAULT)
MAX
Cool
Mid
Warm
Cool Mid Warm
R Gain jg
Ja
jd
00
172
192 192
192
G Gain jh
Jb
je
00
172
192 192
192
B Gain ji
Jc
jf
00
192
192 172
192
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
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