LG 55LM4600 (CHASSIS:LT21B) Service Manual ▷ View online
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* 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
47LM5800-DB
LGD
103
2525
9499
13224
5122
42LM5800-DB
LGD
102
2525
9499
13224
7170
32LM5800-DB
LGD
100
35293
9499
13224
5154
55LM4600-DB
LGD
89
2525
9499
13224
5122
47LM4600-DB
LGD
87
2525
9499
13224
5122
42LM3400-DB
LGD
2525
9499
13224
5154
32LM3400-DB
LGD
2525
9499
13224
5154
32LS5600-DA
LGD
340
35293
9499
13224
5154
47LS4600-DA
LGD
327
2525
9499
13224
5122
42LS4600-DA
LGD
326
2525
9499
13224
5122
32LS4600-DA
LGD
324
2525
9499
13224
5154
32LS3500-DA
LGD
292
494
9499
13224
736
32LS3500-DA
AUO
4388
494
9499
13224
736
42LS3400-DA
LGD
494
9499
13224
736
32LS3400-DA
LGD
494
9499
13224
736
42CS560-DA
AUO
4134
494
9243
13224
736
42CS560-DA
LGD
38
494
9243
13224
704
32CS560-DA
LGD
36
494
9243
13224
737
42CS460-DA
LGD
22
494
9243
13224
704
42CS460-DA
AUO
4118
494
9243
13224
736
32CS460-DA
LGD
20
494
9243
13224
736
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3.1. ADC Process
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.
3.2.2. MAC Address
3.2.2.1. Equipment & Condition
▪ Play file: Serial.exe
▪ MAC Address edit
▪ Input Start / End MAC address
3.2.2.2 Download method
3.2.2.2.1. Communication Prot connection
Connect:
Connection : PCBA (USB Port) -> USB to Serial Adapter
(UC-232A) -> RS-232C cable -> PC(RS-232C port)
3.2.2.2.2. MAC Address Download
▪ Com 1,2,3,4 and 115200(Baudrate)
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3.2.3. LAN Inspection
3.2.3.1. Equipment & Condition
▪ Each other connection to LAN Port of IP Hub and Jig
3.2.3.2. LAN inspection solution
▪ LAN Port connection with PCB
▪ Network setting at MENU Mode of TV
▪ setting automatic IP
▪ Setting state confirmation
▪ If automatic setting is finished, you confirm IP and MAC
Address.
3.2.4. LAN PORT INSPECTION(PING TEST)
3.2.4.1. Equipment setting
1) Play the LAN Port Test PROGRAM.
2) Input IP set up for an inspection to Test
Program.
*IP Number : 12.12.2.2
3.2.4.2. LAN PORT inspection (PING TEST)
1) Play the LAN Port Test Program.
2) connect each other LAN Port Jack.
3) Play Test (F9) button and confirm OK Message.
4) Remove LAN CABLE
3.2.5. Model name & Serial number Download
3.2.5.1. Model name & Serial number D/L
■ Press “Power on” key of service remocon.(Baud rate :
115200 bps)
■ Connect RS232C/USB cable to Side USB Jack.
■ Write Serial number by use RS-232C to Side USB.
■ Must check the serial number at Instart menu.
3.2.5.2. Method & notice
(1) Serial number D/L is using of scan equipment.
(2) Setting of scan equipment operated by Manufacturing
Technology Group.
(3) Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0
※
Manual Download (Model Name and Serial Number)
If the TV set is downloaded By OTA or Service man,
Sometimes model name or serial number is initialized.
(Not always) It is impossible to download by bar code scan, so
It need Manual download.
▪ Press the ‘instart’ key of ADJ remote controller.
▪ Go to the menu ‘6.Model Number D/L’ like below photo.
▪ Input the Factory model name(ex 42LD450-TA) or Serial
number like photo
▪ Check the model name Instart menu -> Factory name
displayed (ex 42LE7500-TA)
▪ Check the Diagnostics (DTV country only) -> Buyer model
displayed (ex 42LE7500-TA)
=> Caution : Not to push the INSTOP KEY after completion if
the function inspection.
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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) 42/32CS560-DA
42/32CS460-DA
42/32LS4600-DA
(except LGD
moduel)
<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)
■ In case of Edge LED module, the color coordinates is changing
by aging, so you have to use the below table.
H/R Time(Min)
Cool
Medium
Warm
LED Module(LGD).
x
y
x
x
y
x
269 273 285 293 313 329
1
0-2 min
280 291 296 311 319 340
2
3-5 min
278 288 294 308 317 338
3
6-9 min
276 285 292 305 315 335
4
10-19 min
274 282 290 302 313 332
5
20-35 min
273 279 289 299 312 329
6
36-49 min
270 276 287 296 310 326
7
50-79 min
269 273 286 293 308 323
8 Over 80 min 269 273 285 293 308 323
※
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”.
Click on the first or last page to see other 55LM4600 (CHASSIS:LT21B) service manuals if exist.