LG 55LK535C Schematic

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LED LCD TV
SERVICE MANUAL
CHASSIS : LC0AD
MODEL: 55LK535C
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67180810 (1206-REV00)
1.5 Kohm/10W
To Instrument's exposed METALLIC PARTS
Good Earth Ground such as WATER PIPE, CONDUIT etc.
AC Volt-meter
When 25A is impressed between Earth and 2nd Ground for 1 second, Resistance must be less than 0.1
*Base on Adjustment standard
SPECIFICATION
.
1. Application range
This is applied to the LCD/ LED LCD TV used
3. Test method
1) Performance: LGE TV test method followed
LC0AD chassis.
2. Requirement for Test
- EMC:CE, IEC
Each part is tested as below without special appointment.
1) Temperature : 25 ºC ± 5 ºC (77 ºF ± 9 ºF), CST : 40 ºC ± 5 ºC
2) Relative Humidity : 65 % ± 10 %
3) Power Voltage : Standard input voltage (AC 100-240 V~ 50 / 60 Hz) * Standard Voltage of each products is marked by models.
4)
each d rawing an d
and performance of each parts are followed
by part n umber in
accordance with BOM.
5) The receiver must be operated for about 5 minutes prior to
the adjustment.
4. Model General Specification
No Item Specification
1 Display Screen Device 55”Wide color display module CCFL/EEFL LCD 2 Aspect Ratio 16:9
3 LCD Module
4 Storage Environment Temp. : -20 ~ 60 deg, Humidity : 10 ~ 90 %
5 Input Voltage 100-240V~ 50/60Hz
6 Power Consumption
Module Size
Pixel Pitch
Back Light
55” TFT LCD FHD
Power on (Blue)
55”LGD(FHD,100Hz)
55”LGD(FHD) Edge
55”LGD(FHD,100Hz)
55”LGD(FHD) Edge 3D
55”LGD(FHD,100Hz)
55”LGD(FHD) Edge 3D
55”LGD(FHD,100Hz)
55”LGD(FHD) Edge 3D
Typ:248.2W
Typ:108.5W
1286.0(H) × 745.0(V) X 60 mm(D)
1225.6(H) × 726.0(V) X 10.8(B)
0.630 mm x 0.630 mm
0.630 mm x 0.630 mm
EEFL
EEFL
Meas urem
Result
ent
LGD : 42LK530-CC
Remark
Display Colors
Coating
1.06 Billion, 16.7 Milion
3H, AG
Only for training and service purposes
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LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All rights reserved.
- 7 -
LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5. Component Video Input (Y, CB/PB, CR/PR)
No.
Specification
Remark
Resolution H-freq(kHz) V-freq(Hz)
1. 720x480 15.73 60.00 SDTV,DVD 480i
2. 720x480 15.63 59.94 SDTV,DVD 480i
3. 720x480 31.47 59.94 480p
4. 720x480 31.50 60.00 480p
5. 720x576 15.625 50.00 SDTV,DVD 625 Line
6. 720x576 31.25 50.00 HDTV 576p
7. 1280x720 45.00 50.00 HDTV 720p
8. 1280x720 44.96 59.94 HDTV 720p
9. 1280x720 45.00 60.00 HDTV 720p
10. 1920x1080 31.25 50.00 HDTV 1080i
11. 1920x1080 33.75 60.00 HDTV 1080i
12. 1920x1080 33.72 59.94 HDTV 1080i
13. 1920x1080 56.250 50 HDTV 1080p
14. 1920x1080 67.5 60 HDTV 1080p
No.
Specification
Proposed Remark
Resolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)
1. 720*400 31.468 70.08 28.321 For only DOS mode
2. 640*480 31.469 59.94 25.17 VESA Input 848*480 60 Hz, 852*480 60 Hz
-> 640*480 60 Hz Display
3. 800*600 37.879 60.31 40.00 VESA
4. 1024*768 48.363 60.00 65.00 VESA(XGA)
5. 1280*768 47.78 59.87 79.5 WXGA
6. 1360*768 47.72 59.8 84.75 WXGA FHD Model
7. 1366*768 47.56 59.6 84.75 WXGA WXGA Model
8. 1200*1024 63.595 60.02 108.875 SXGA FHD model
9. 1280*720 45 60 74.25 720p DTV Standard
10. 1920*1080 66.587 59.93 138.5 WUXGA FHD model
6. RGB (PC)
LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD/ LED LCD TV with LC01U chassis.
2. Designation
1) The adjust ment is according t o the order which i s
designated and which must be followed, according to the plan which can be changed only on agreeing.
2) Power Adjustment: Free Voltage
3) Magnetic Field Condition: Nil.
4) Input signal Unit: Product Specification Standard
5) Reserve after operation: Above 5 Minutes (Heat Run) Temperature : at 25 ºC ± 5 ºC Relative humidity : 65 % ± 10 % Input voltage : 220 V, 60 Hz
6) Adjustment equipments: Color Analyzer(CA-210 or CA-110),
DDC Adjustment Jig equipment, Factory SVC remocon.
7) Push the “IN STOP” key - For memory initialization.
3. Main PCB check process
* APC - After Manual-Insult, executing APC
* Boot file Download
1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
2) Set as below, and then click “Auto Detect” and check “OK”
message.
If “Error” is displayed, check connection between computer, jig, and set.
3) Click “Read” tab, and then load download file(XXXX.bin) by
clicking “Read”
4) Click “Connect” tab. If “Can’t” is displayed, check connection
between computer, jig, and set.
5) Click “Auto” tab and set as below.
6) Click “Run”.
7) After downloading, check “OK” message.
* USB 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”.
Pattern Generator (MSPG-925L or Equivalent),
filexxx.bin
(4)
(7) ……….OK
(5)
(6)
(1)
fil exxx.bin
(2)
(3)
Please Check the Speed : To use speed between from 200KHz to 400KHz
4) Updating is starting.
5) Uploading completed, the TV will restart automatically.
6) If your TV is turned on, check your updated version and Tool option.(explain the Tool option, next stage)
* If downloading version is more high than your TV have,
TV can lost al l chann el da ta . 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 control.
2) Select “Tool Option 1” and push “OK” key.
3) Punch in the number. (Each model has their number)
4) Completed selecting Tool option.
3.1. ADC Process
(1) ADC
- Enter Service Mode by pushing “ADJ” key,
- Enter Internal ADC mode by pushing “ ” key at “6. ADC Calibration”
<Caution> Using ‘power on’ key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
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
* Check display and sound.
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART1/SCART2/CVBS)
3) COMPONENT (480i)
4) RGB (PC : 1024 x 768 @ 60 Hz)
5) HDMI
6) PC Audio In
* Display and Sound check is executed by factory SVC remocon.
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LGE Internal Use OnlyCopyright ©2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Module Tool option1 Tool option2 Tool option3 Tool option4 Tool option5
ADC Calibration
ADC Comp 480i
ADC Comp 1080p
ADC RGB
NG
NG
NG
Reset
Start
EZ ADJUT
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. ADC Calibration
7. WHITE Balance
8. 10Point WB
9. Test Pattern
10. V-Com
11. Sub B/C
12. V-Com
13. P-Gamma
55LK535C
46784
19478
49161
14616
24864
Aging Time Cool Medium Warm
GP2R (Min.) X Y X Y X Y
269 273 285 293 313 329
1 0-2 279 288 295 308 319 338
2 3-5 278 286 294 306 318 336
3 6-9 277 285 293 305 317 335
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 80-149 270 274 286 294 310 324
9 Over 150 269 273 285 293 309 323
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.
* Caution : Never connect HDMI & D-sub Cable when EDID
download
* Edid data and Model option download (RS232)
EZ ADJUT
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. ADC Calibration
7. White Balance
8. 10 Point WB
9. Test Pattern
10. EDID D/L
11. P-Gamma
12. V-Com
13. P-Gamma
Item CMD1 CMD2 Data0
Download A A 0 0 When transfer the ‘Mode In’,
‘Mode In’ Carry the command.
Download A E 00 10 Automatically Download
(The use of a internal pattern)
EDID D/L
HDMI1 HDMI2 HDMI3 RGB
NG NG NG NG
Reset
Start
EDID D/L
Reset
Start
HDMI1 HDMI2 HDMI3 RGB
OK OK OK OK
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