Read LG 42LN549C / 42LN549E (CHASSIS:LJ3AC) Service Manual online
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4. ADC Process(TBD)
4.1. 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 (RS232)
NO
Item
CMD 1 CMD 2
Data 0
Enter
download
MODE
Download
‘Mode In’
A
A
0
0
When transfer
the ‘Mode In’,
Carry the com-
mand
Edid data
and Model
option
download
Download
A
E
00
10
Automatically
download
(The use of a
internal Data)
●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
4.2. Function Check
4.2.1. Check display and sound
▪ TV
▪ AV (CVBS)
▪ COMPONENT (480i)
▪ RGB (PC : 1024 x 768 @ 60hz)
▪ HDMI
▪ 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.
5. Total Assembly line process
5.1. 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)
► LCD LAMP MODEL : The spec of color temperature and coordinate
Model
Mode
Color Temp
Color coordinate
Remark
Over
26"
Cool (C50)
13,000k
x = 0.269 (±0.002)
y = 0.273 (±0.002)
※
Test signal
- Inner pattern for W/B adjust
- External white pattern
(80IRE, 204gray)
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)
Cool
Medium
Warm
Remark
X
Y
X
Y
X
Y
ALL LED Model
32/39/42LN549C/E-SA
SPEC
269
273
285
293
313
329
TARGET 271
276
287
296
315
332
※
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: (normal line)LN5xxx, LA6xxx, LA7xxx, LA8xxx
▪ Standard color coordinate and temperature using
CA-210(CH-14) – by aging time
H/R Time(Min)
Cool
Medium
Warm
x
y
x
x
y
x
271
270
286
289
314
318
1
0-2
281
287
296
306
321
331
2
3-5
280
285
295
304
320
329
3
6-9
278
284
293
303
318
328
4
10-19
276
281
291
300
316
325
5
20-35
275
277
290
296
315
321
6
36-49
274
274
289
293
314
318
7
50-79
273
272
288
291
313
316
8
80-119
272
271
287
290
312
315
9
Over 120
271
270
286
289
311
314
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