LG 55LM4600 (CHASSIS:LJ21C) Service Manual ▷ View online
- 9 -
* USB DOWNLOAD(*.epk file download)
(1) Put the USB Stick to the USB socket.
(2) Automatically detecting update file in USB Stick.
- If your downloaded program version in USB Stick is Low,
it didn't work. But your downloaded version is High, USB
data is automatically detecting
(3) Show the message "Copying files from memory"
(4) Updating is staring.
(5) After updating is complete, The TV will restart automatically.
(6) If TV turns on, check your updated version and Tool option.
(refer to the next page about tool option)
* If downloading version is higher than your TV have, TV
can lost all channel data. In this case, you have to
channel recover. If all channel data is cleared, you didn't
have a DTV/ATV test on production line.
* After downloading, have to adjust Tool
Option again.
(1) Push "IN-START" key in service remote controller.
(2) Select "Tool Option 1" and Push "OK" button.
(3) Punch in the number. (Each model has their number.)
(4) Completed selecting Tool option.
Model
Module
Tool
option1
Tool
option2
Tool
option3
Tool
option4
Tool
option5
32CS460-SA
LGD
32788
358
9243
13200
2592
32CS460-SZ
LGD
32788
870
9243
13200
2560
42CS460-SA
LGD
32790
870
9243
13200
2561
42CS460-SA
AUO
32CS560-SA
LGD
32CS560-SA
AUO
36900
358
9243
13200
2592
42CS560-SA
LGD
32806
870
9243
13200
2561
42CS560-SA
AUO
32LS3400-SA
LGD
37LS3400-SA
LGD
42LS3400-SA
LGD
33190
358
9371
13200
2080
32LM3400-SB
LGD
37LM3400-SB
LGD
42LM3400-SB
LGD
22LS3500-SA
CMI
35105
358
9499
13200
2080
32LS3500-SA
LGD
32LS3500-SA
AUO
37156
358
9499
13200
2096
32LS4600-SA
LGD
33092
35191
9499
13200
7202
42LS4600-SA
LGD
33094
2423
9499
13200
7170
47LS4600-SA
LGD
33095
2423
9499
13200
7170
50LS4000-SA
AUO
47LM4600-SB
LGD
55LM4600-SB
LGD
42LM5800-SB
LGD
32870
2423
9499
13200
7170
47LM5800-SB
LGD
* RS-232C Connection Method
Connection : PCBA (USB Port) -> USB to Serial Adapter
(UC-232A) -> RS-232C cable -> PC(RS-232C port)
▪ Product name of USB to Serial Adapter is UC-232A.
※
※
Caution: LJ21* chassis support only UC-232A driver. ( only
use this one. )
- 10 -
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) – in case of
CCFL back light
CA210 : CH14, Test signal : Inner pattern (80IRE) – in case of
LED back light
■ Above 5 minutes H/run in the inner pattern. (“power on” key of
adjust remote control)
Color
Temperature
Cool
13,000k K
X=0.269
(±0.002)
Y=0.273
(±0.002) 26/32LS3500-SA
32/42CS460-SA
32/37/42CS560-SA
32/42/47/55LS4600-
SA
32/42/47LM5800-SA
47CM565-SA
<Test signal>
Inner pattern
(204 Gray
80IRE)
Medium
9,300k
K
X=0.285
(±0.002)
Y=0.293
(±0.002)
Warm
6,500k
K
X=0.313
(±0.002)
Y=0.329
(±0.002)
Color
Temperature
Cool
13,000k K
X=0.271
(±0.002)
Y=0.276
(±0.002)
32/37/42LS3400-SA
32/37/42LM3400-SA
<Test signal>
Inner pattern
(204 Gray
80IRE)
Medium
9,300k
K
X=0.287
(±0.002)
Y=0.296
(±0.002)
Warm
6,500k
K
X=0.315
(±0.002)
Y=0.332
(±0.002)
Color
Temperature
Cool
13,000k K
X=0.285
(±0.002)
Y=0.293
(±0.002)
22LS3500-SA
<Test signal>
Inner pattern
(204 Gray
80IRE)
Medium
9,300k
K
X=0.295
(±0.002)
Y=0.305
(±0.002)
Warm
6,500k
K
X=0.313
(±0.002)
Y=0.329
(±0.002)
- 11 -
■ Edge LED W/B Table in process of time (Only LGD except AUO/
CMI)
LS35/46, LM58 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)
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
※
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.
■After enter Service Mode by pushing “ADJ” key,
■Enter White Balance by pushing “►” key at “7. 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. And Mechanical Power Switch must be set “ON”.
- 12 -
4.2. DDC EDID Write (RGB 128Byte)
■ Connect D-sub Signal Cable to D-Sub Jack.
■ Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
■ Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.3. 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 main Ass’y, EDID have to be downloaded to Insert
Process in advance.
4.4. 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
■ After enter Service Mode by pushing “ADJ” key,
■ Enter 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 : Pin3 exists
- Digital EDID : Pin3 exists
=> 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
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