Page 1
Internal Use Only http://biz.lgservice.com LED TV SERVICE MANUAL CHASSIS : LD31B/LD36B MODEL : 32LN540B-CN CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67696705 Printed in Korea...
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 1. Application range. This spec sheet is applied to the LC36B chassis. Chassis Model Name Market Place Brand Remarks LC36B 47LN5400-CA China LC36B 47LN5400-CA Hong Kong 2.
Page 9
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 4. Electrical specification 4.1 Module general specification Item Specification Measurement Result Remark Display Screen Device 32,39,42,47,55 wide Color Display Module Aspect Ratio 16:9 32" FHD Direct LED (LC320DUE-SFR1) Maker :LGD 32"...
Page 10
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Result Remark 42" Direct LGD 958.2(H) X 555.8(V) X 35.0(B) 42" POLA AUO 42LN5400-CA 42" POLA LGD 47" Direct LGD 1067.6(H) X 617.4(V) X 36.5(B) 47LN5400-CA 55"...
Page 12
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measure Result Remarks Audio Input Component, AV L/R Input For My Media(Movie/Photo/Music List) or SVC 1EA(JPEG, MP3, DivX HD) 5. Feature and Function Item...
Page 13
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Remark Contrast Brightness H Sharpness V Sharpness Color Tint Expert Control Dynamic Contrast Off/Low/ Medium/High (Cinema, isf Expert1, Color Gamut Wide/Standard isf Expert2)
Page 14
Virtual Surround Off/On Clear Voice II Level -6 ~ +6 Auto Volume Off/On Sound Out TV Speaker/ External Speaker/(PCM) / LG Sound Bar AV Sync. Adjust TV Speaker -5 ~ 15 Bypass Balance L50 ~ R50 Sound Optimizer Normal / Wall Mount Type / Stand Type...
Page 15
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Remark Manual Month / Date / Year/Hour / Minute Off time Repeat If On/Off Time is same, it will turn on in power...
Page 16
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Remark My Media DivX VOD Registration / DivX Deregistration Setting Factory Reset Yes / No Set ID 1~99 Mode Setting Home Mode Store Demo...
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Remark SLEEP Hot Key Sleep Timer Color buttons These access special functions in some menus. Control buttons Controls the Premium contents, Smart Share menus, or the SIMPLINK compatible devices (USB,SIMPLINK).
Page 18
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Unit MEPS Remarks mA (rms) UL/CSA Leakage Current Etc. 0.35 V Peak Power cord Length 1.55 Sharp Edge None Not Applied Safety K60065 Korea Compliance...
Page 24
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 * 55" LGD Module (LGD, POLA LED, FHD, 60Hz) LC550DUK-SEE1 Item Specification Unit Maker Remark Module Max cd/m² (Center 1-point / Full White Pattern) Luminance TV set Max cd/m²...
Page 25
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 9.2 Set optical feature 9.2.1 Chroma (PSM: Vivid, Color Temperature: C50 ) except RGB PC Mode PSM: Standard, Color Temperature: Medium ** The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015 W/B Variation Design(R&D) Spec : ±0.002, DQA Spec ±0.015)
Page 26
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 9.2.4 Test Condition Color Temperature measure standard specification Color Temperature measure specification In non-impressed condition, measure White Balance displayable as much as possible LCD module. Measuring instrument: CA-210 or a sort of Color Analyzer.
Page 27
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Test pattern : full white pattern(255 Gray) SET condition : Contrast & Brightness Level Default Environment condition : Dark room in the non outside light Video menu option condition...
Page 28
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Luminance uniformity measure Condition Impress 100 % (255Gray Level) full white pattern at the same peak brightness measurement. Measure brightness L0~L8 in each 9 points P0~P8...
Page 29
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Signal Picture Mode Dynamic Contrast Dynamic Color Clear White Black Level NTSC-M Vivid High High High Vivid High High High Auto NTSC-J Vivid High High High...
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Specification Measurement Result Remark 1920 X 1080 30FPS 1280 X 720 60FPS Video Size 720 X 576 50FPS 720 X 480 60FPS H.264 : Video Format H.264, MPEG-1, MPEG-2, MPEG-4 SP, MPEG-4 ASP, AVC...
Page 40
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 If a standby light is on at an installation menu ST-BY None If a standby light is off at an installation menu Power On None Red light is blinking once when received IR signal...
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Condition Measurement Result Remark Balance Sound Optimizer Normal Time Clock Auto Off Timer / On Timer Sleep Timer Option Language (Menu/Audio) Caption Standby Light Interactivity (DTVi)
Page 43
Display Division LG(51) Establish : 12/08/31 NetCast 4.0 Low LC36B Product Specification Reform: 12/08/31 Item Type Measurement Result Remark (EA) Screw Screw for stand fixing Screw Screw for stand assy Screw Screw for stand assy Screw Woofer fixing screw pemnut...
Page 44
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 1/25 LG(55)C2-0661-00 Reform : 12/09/15 LC36B Adjust specification TV Research lab. TV Product Development. LG Electronics Inc. L G e l e c t r o n i c s...
Page 45
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 2/25 LG(55)C2-0661-00 Reform : 12/09/15 Revision History Date Revised by Cause & List Comment 2012.09.15 Hoon.Heo Draft 2012.10.11 Hoon.Heo Revise 47LN5400-CA ToolOption 2012.10.13 Hoon.Heo Revise Application Chassis name 2012.10.25 Hoon.Heo...
Page 46
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 3/25 LG(55)C2-0661-00 Reform : 12/09/15 CONTENTS 1. Application 2. Designation 3. Main PCB check process 4. ADC Process 5. Total Assembly line process 6. Model Name & Serial Number Download 7.
Page 47
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 4/25 LG(55)C2-0661-00 Reform : 12/09/15 1. Application * 1.1 This spec sheet is applied all of the LCD TV with LC36B chassis. 1.2 Main manufacturing type ( O )
Page 48
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 5/25 LG(55)C2-0661-00 Reform : 12/09/15 3. Main PCB check process * APC - After Manual-Insert, executing APC * Boot file Download 1. Execute ISP program Mstar ISP Utility and then click Config tab.
Page 49
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 6/25 LG(55)C2-0661-00 Reform : 12/09/15 * USB download (*.epk file download) 1. Put the USB Stick to the USB socket 2. Automatically detecting update file in USB Stick. - If version of update file in USB Stick is lower, it will not work.
Page 51
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 8/25 LG(55)C2-0661-00 Reform : 12/09/15 4 ADC Process 4.1.1. ADC Enter Service Mode by pushing ADJ key, Enter Internal ADC mode by pushing key at 8. ADC Calibration EZ ADJUST ADC Calibration 0.
Page 52
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 9/25 LG(55)C2-0661-00 Reform : 12/09/15 4.2 Function Check 4.2.1 Check display and sound Check Input and Signal items. (cf. work instructions) 1. TV 2. AV 3. COMPONENT (480i) 4. HDMI * Display and Sound check is executed by Remote controller.
Page 53
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 10/25 LG(55)C2-0661-00 Reform : 12/09/15 W/B Table( Netcast4.0 Model) CA210 : CH 14, Test signal : Inner pattern (80IRE) Standard color coordinate and temprature using CA-1000(by H/R time) Normal line...
Page 54
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 11/25 LG(55)C2-0661-00 Reform : 12/09/15 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 P-ONLY à...
Page 55
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 12/25 LG(55)C2-0661-00 Reform : 12/09/15 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.
Page 56
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 13/25 LG(55)C2-0661-00 Reform : 12/09/15 After enter Service Mode by pushing ADJ key, Enter White Balance by pushing key at 9. White Balance . EZ ADJUST White Balance 0. Tool Option1 Color Temp.
Page 57
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 14/25 LG(55)C2-0661-00 Reform : 12/09/15 If internal pattern is not available, use RF input. In EZ Adj. menu 9. White Balance, you can select one of 2 Test-pattern: ON, OFF. Default is inner (ON).
Page 58
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 15/25 LG(55)C2-0661-00 Reform : 12/09/15 5.2 DDC EDID Write (RGB 128Byte ) Connect D-sub Signal Cable to D-Sub Jack. Write EDID DATA to EEPROM (24C02) by using DDC2B protocol.
Page 59
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 16/25 LG(55)C2-0661-00 Reform : 12/09/15 EDID data and Model option download (RS232) Item CMD 1 CMD 2 Data 0 Enter Download When transfer the Mode In , download MODE Mode In Carry the command.
Page 60
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 17/25 LG(55)C2-0661-00 Reform : 12/09/15 47LN5400-CA Direct LED 60Hz FHD (8bit) 55LN5400-CA POLA LED 60Hz FHD (8bit) 32LN540B_CA Direct LED 60Hz * EDID Data - FHD 8BIT HDMI EDID DATA...
Page 61
Cf) model name in EDID data is below. MODEL NAME MODEL NAME(HEX) LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV) Checksum: Changeable by total EDID data. FHD 8BIT EDID C/S data...
Page 62
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 19/25 LG(55)C2-0661-00 Reform : 12/09/15 5.6.3. Checkpoint (1) Test voltage 3 Poles - GND: 1.5KV/min at 100mA - SIGNAL: 3KV/min at 100mA 2 Poles - SIGNAL: 3KV/min at 100mA...
Page 63
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 20/25 LG(55)C2-0661-00 Reform : 12/09/15 LENGTH : 85~94h (1~16 bytes) : EEPROM Sub Address high (00~1F) : EEPROM Sub Address low (00~FF) Data : Write data : CMD + LENGTH + ADH + ADL + Data_1 +...
Page 64
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 21/25 LG(55)C2-0661-00 Reform : 12/09/15 d. Check the model name Instart menu à Factory name displayed. e. Check the Product/Service Info. (Menu Keyà Red Key à Select Product/Service Info.) à...
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 22/25 LG(55)C2-0661-00 Reform : 12/09/15 CATV System Band Name Freq. Factory V/UHF C 02 57.75 LGEND NTSC V/UHF C 04 67.25 GUMI 8. Shipping condition Item Condition Remark Power...
Page 66
LG Electronics Inc. Display Division Establish : 12/09/15 LC36B Adjust specification 23/25 LG(55)C2-0661-00 Reform : 12/09/15 Gamma Medium Noise Reduction MPGE Noise Reduction Picture Option Black level Real Cinema Not activated Motion Eye Care High Picture Reset Aspect Ratio 16:9...
Page 73
USB (SIDE) +5V_USB C700 22uF JK700 SIDE_USB1_DM SIDE_USB1_DP D700 RCLAMP0502BA SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. NC4_S7LRM 12/06/20 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Page 75
SPDIF SPDIF OPTIC JACK +3.3V_Normal 5.15 Mstar Circuit Application SPDIF-JACK-FOXCONN SPDIF-JACK-SOLTEAM JK1001 JK1001-*1 2F01TC1-CLM97-4F JST1223-001 VINPUT SPDIF_OUT C1001 C1002 0.1uF 100pF ESD_SPDIF_0.1uF C1001-*1 ESD_SPDIF_1uF SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. NC4_S7LRM 2012/06/12 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SPDIF...
Page 76
AVDD_DDR0 AVDD_DDR0 AVDD_DDR0 AVDD_DDR0 +1.5V_DDR AVDD_DDR0 L1202 CIC21J501NE A-MVREFDQ B-MVREFDQ A-MVREFCA B-MVREFCA CLose to Saturn7M IC CLose to Saturn7M IC CLose to DDR3 CLose to DDR3 DDR_1600_1G_SS DDR_1600_1G_SS IC1202 S7LR-M_NON_MS10 IC1201 K4B1G1646G-BCK0 IC101 K4B1G1646G-BCK0 MSD804KKX EAN61836301 EAN61836301 B-MA0 VREFCA B-MVREFCA A-MVREFCA A-MA0 SYMBOL.B...
Page 77
Serial Flash for SPI boot(OS) +3.5V_ST +3.5V_ST SPI_FLASH_MACRONIX IC1300 R1301 MX25L8006EM2I-12G +3.5V_ST 4.7K C1300 0.1uF /SPI_CS R1300 SO/SIO1 HOLD# SPI_SDO SCLK /FLASH_WP SPI_SCK R1302 SI/SIO0 SPI_SDI SPI_FLASH_WINBOND IC1300-*1 W25Q80BVSSIG DO[IO1] HOLD[IO3] %WP[IO2] DI[IO0] SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
Page 79
CI Region * Option name of this page : CI_SLOT (because of Hong Kong) CI SLOT +5V_CI_ON CI TS INPUT CI_DATA[0-7] +5V_Normal AR1905 C1906 FE_TS_DATA[7] CI_MDI[7] 10uF FE_TS_DATA[6] CI_MDI[6] FE_TS_DATA[5] R1903 CI_MDI[5] FE_TS_DATA[4] CI_MDI[4] CI_SLOT_JACK P1901 /CI_CD1 10067972-000LF AR1906 FE_TS_DATA[3] R1908 CI_MDI[3] FE_TS_DATA[2]...
Page 80
ETHERNET * H/W option : ETHERNET +2.5V_Normal ETHERNET L2101 JK2100-*1 JK2100 BLM18PG121SN1D RJ45VT-01SN002 XRJV-01V-0-D12-080 EPHY_TP R2101 ETHERNET 49.9 C2101 R2102 0.1uF ETHERNET 49.9 ETHERNET EPHY_TN EPHY_RP R2103 ETHERNET 49.9 C2102 R2104 0.1uF ETHERNET 49.9 ETHERNET EPHY_RN ETHERNET C2104 0.01uF SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
Page 82
DVB-S2 LNB Part Allegro (Option:LNB) Input trace widths should be sized to conduct at least 3A Ouput trace widths should be sized to conduct at least 2A +12V_LNB D2705-*1 Max 1.3A LNB_SX34 D2703 3.5A D2705 LNB_SMAB34 C2708 10uF C2703 C2704 C2705 C2706 0.01uF...
Page 84
MSTART DEBUG_4PIN MSTAR_DEBUG_4P P3900 12505WS-04A00 RGB_DDC_SCL RGB_DDC_SDA SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. NC4_S7LRM 2012/06/20 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR MSTAR DEBUG_4PIN THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Page 85
RS-232C RS232C_DEBUG_4P +3.5V_ST P4000 12507WS-04L R4001 PM_TXD R4000 PM_RXD PM_RXD RM_TXD SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. NC4_S7LRM 2012/06/20 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR RS232C_4P_OS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.