42LS341C, 42LS3450 (CHASSIS:LJ21C) - LG TV Service Manual (repair manual). Page 10

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3.1. ADC Process(TBD)
3.1.1. ADC
■ Enter Service Mode by pushing “ADJ” key,
Calibration”
=> Caution :  Using  ‘power  on’  button  of  the Adjustment  R/C, 
power on TV.
 ADC Calibration Protocol (RS232C/USB)
NO
Item
CMD 1 CMD 2 Data 0
Enter
Adjust MODE
Adjust 
‘Mode In’
A
A
0
0 When transfer the  
‘Mode In’,
Carry the command.
ADC adjust
ADC 
Adjust
A
D
1
0 Automatically adjust-
ment
(The use of a inter-
nal pattern)
 Adjust Sequence
▪ aa 00 00  [Enter Adjust Mode]
▪ xb 00 40  [Component1 Input (480i)]
▪ ad 00 10  [Adjust 480i Comp1]
▪ xb 00 60  [RGB Input (1024*768)]
▪ ad 00 10  [Adjust 1024*768 RGB]
▪ aa 00 90  End Adjust mode
* Required equipment : Adjustment R/C. 
3.2. Function Check
3.2.1. Check display and sound 
■ Check Input and Signal items. (cf. work instructions)
(1) TV
(2) AV (CVBS)
(3) COMPONENT (480i)
(4) RGB (PC : 1024 x 768 @ 60hz)
(5) HDMI
(6) PC Audio In 
* Display and Sound check is executed by Remote controller.
 Caution :  Not to push the INSTOP KEY after completion if 
the function inspection
4. Total Assembly line process
4.1. Adjustment Preparation
■ W/B Equipment condition
    CA210 :  CH  9,  Test  signal  :  Inner  pattern  (80IRE)  –  LAMP 
Module
                  CH14, Test signal : Inner pattern (80IRE) – LED Module
■  Above 5 minutes H/run in the inner pattern. (“power on” key of 
adjust remote control)
 The spec of color temperature and coordinate.
Over 26”
Cool (C50)
13,000k
x = 0.269 
(±0.002)
y = 0.273 
(±0.002)
<Test signal>
Inner pattern
(204 Gray
80IRE)
Medium (0)
9,300k
X=0.285
(±0.002)
Y=0.293
(±0.002)
Warm 
(W50)
6,500k
X=0.313
(±0.002)
Y=0.329
(±0.002)
 Lamp Model  :  W/B adjust target value 
Cool
Medium
Warm
Remark
X
y
x
y
x
y
SPEC
269
273
285
293 313 329
32/42CS460
32/42CS560
TARGET 269
273
285
293 313 329
  Edge LED W/B Table in process of time (Only LGD except AUO/
CMI)
    LS35/46, LM46/58 Tool ( LED LCD TV Model ) 
    CA210 : CH 14, Test signal : Inner pattern (80IRE)
    -  Standard color coordinate and temperature using CA-1000 (by 
H/R time)
   
Normal line
  model:
LSxxxx, LM4xxx, LM5xxx, 
H/R Time(Min)
Cool
Medium
Warm
x
y
x
x
y
x
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
    
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