Read LG 42LS341C / 42LS3450 (CHASSIS:LJ21C) Service Manual online
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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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