LG 32LN549C / 32LN549E (CHASSIS:LJ3AC) Service Manual ▷ View online
- 11 -
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
- 12 -
▪ Aging chamber line
model: (aging chamber)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
0-5
280
285
295
304
320
329
2
6-10
276
280
291
299
316
324
3
11-20
272
275
287
294
312
319
4
21-30
269
272
284
291
309
316
5
31-40
267
268
282
287
307
312
6
41-50
266
265
281
284
306
309
7
51-80
265
263
280
282
305
307
8
81-119
264
261
279
280
304
305
9
Over 120
264
260
279
279
304
304
※
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 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°).
(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 ‘full white pattern’ 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
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
** 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 adjusts Remote control.(TBD)
■After enter Service Mode by pushing “ADJ” key,
■Enter White Balance by pushing “►” key at “8. White Balance”
※
After You finish all adjustments, Press “In-start” button 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
- 13 -
5.2. DPM operation confirmation
(Only Apply for MNT Model)
Check if Power LED Color and Power Consumption operate
as standard.
■ Set Input to RGB and connect D-sub cable to set
■ Measurement Condition: (100~240V@ 50/60Hz)
■ Confirm DPM operation at the state of screen without Signal
5.3. DDC EDID Write (HDMI 128Byte)
■ Connect HDMI Signal Cable to HDMI Jack.
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC Ass’y, EDID have to be downloaded.
5.4. DDC EDID Write (HDMI 256Byte)
■ Connect HDMI Signal Cable to HDMI Jack.
■ Write EDID DATA to EEPROM(24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC Ass’y, EDID have to be downloaded.
5.5. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- Auto Download(TBD)
■ After enter Service Mode by pushing “ADJ” key,
■ Enter “11” EDID D/L mode
■ Enter “START” by pushing “OK” key.
※
Edid data and Model option download (RS232C)
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)
※
Caution
* Use the proper signal cable for EDID Download
- Analog EDID : D-sub Cable
- Digital EDID : HDMI Cable
=> Caution
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing.
- Download HDMI1, HDMI2 separately because HDMI1 is
different from HDMI2.
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
No.
Item
Condition
Hex Data
1
Manufacturer ID
GSM
1E6D
2
Version
Digital : 1
01
3
Revision
Digital : 3
03
●
EDID DATA
(1)HD EDID Data
CheckSum
Physical Address (0x9E)
HDMI 1
A4/5B
10
HDMI 2
A4/4B
20
- 14 -
(2) FHD EDID Data(Deep Color support)
CheckSum
Physical Address (0x9E)
HDMI 1
43/DE
10
HDMI 2
43/CE
20
HDMI 3
43/BE
30
- HDMI
-RGB
(3) FHD EDID Data(Deep Color not support)
CheckSum
Physical Address (0x9E)
HDMI 1
43/25
10
HDMI 2
43/15
20
HDMI 3
43/05
30
- HDMI
-RGB
Model List
HD(LED)
FHD(LED)
32LN549C-SA
42LN549C-SA
32LN549E-SA
39LN549C-SA
42/55LN549E-SA
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