Manuals / LG Electronics / TV and Video / Flat Panel Television

LG Electronics 32LA62**-Z* Lvds, Copyright 2013 LG Electronics. Inc. All rights reserved

Models: 32LA62**-Z*

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LVDS

LVDS

LVDS_51PIN

P7100

[51Pin LVDS OUTPUT Connector]

FI-RE51S-HF-J-R1500

[41Pin LVDS OUTPUT Connector]

1

NC

R7100

33

2D/3D_CTL

2

NC

LGD_2D/3D_CTRL

LVDS_SEL

3

NC

4

NC

R7105

33

I2C_SDA1

+3.3V_NORMAL

NC

CP_BOX

5

R7106

33

I2C_SCL1

AUO_65_MIRROR

CP_BOX 0

R7101

6

R7109

LVDS_41PIN

3.3K

LVDS_SEL

OPT

7

LVDS_SEL_HIGH

P7101

NC

R7107

33

FI-RE41S-HF-J-R1500

8

PWM_DIM1

R7102

9

NC

LGD_T-Con_Scanning

10K

NC

L/DIM_ENABLE

R7110

33

LVDS_SEL_LOW

1

10

AUO_L/D_EN

NC

2D/3D_CTL

GND

R7108

33

OPC_EN

2

R7104

33

11

NC

AUO_2D/3D_CTRL

OPC_EN

3

12

RA0N

TXA0N

4

NC

13

RA0P

TXA0P

5

NC

14

RA1N

TXA1N

6

NC

15

RA1P

TXA1P

7

NC

16

RA2N

TXA2N

8

NC

17

RA2P

TXA2P

9

GND

18

GND

19

RACLKN

TXACLKN

10

RC0N

TXC0N

11

RC0P

TXC0P

20

RACLKP

TXACLKP

12

RC1N

TXC1N

21

GND

13

RC1P

TXC1P

22

RA3N

TXA3N

14

RC2N

TXC2N

23

RA3P

TXA3P

15

RC2P

TXC2P

24

RA4N

TXA4N

16

GND

25

RA4P

TXA4P

17

RCCLKN

TXCCLKN

26

GND

BIT_SEL

18

RCCLKP

TXCCLKP

27

BIT_SEL

19

GND

28

RB0N

TXB0N

R7103

20

RC3N

29

RB0P

TXB0P

10K

RC3P

TXC3N

BIT_SEL_LOW

30

RB1N

TXB1N

21

TXC3P

22

RC4N

31

RB1P

TXC4N

TXB1P

23

RC4P

TXC4P

32

RB2N

TXB2N

24

GND

33

RB2P

TXB2P

25

GND

34

GND

26

RD0N

TXD0N

35

RBCLKN

TXBCLKN

27

RD0P

36

RBCLKP

TXD0P

TXBCLKP

28

RD1N

TXD1N

37

GND

29

RD1P

TXD1P

38

RB3N

TXB3N

30

RD2N

TXD2N

39

RB3P

TXB3P

31

RD2P

TXD2P

40

RB4N

TXB4N

32

GND

41

RB4P

TXB4P

33

RDCLKN

TXDCLKN

42

GND

34

RDCLKP

TXDCLKP

43

GND

35

GND

44

GND

PANEL_VCC

36

RD3N

TXD3N

GND

45

37

RD3P

46

GND

L7100

38

RD4N

TXD3P

47

NC

BLM18SG121TN1D

RD4P

TXD4N

48

VLCD

LVDS_51PIN

39

GND

TXD4P

40

49

VLCD

41

GND

50

VLCD

C7100

C7101

C7102

VLCD

10uF

1000pF

0.1uF

42

51

16V

50V

50V

52

OPT

OPT

OPT

GND

GND

THE

SYMBOL MARK OF THIS

SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT

FOR

PROTECTION FROM

X-RADIATION.

FILRE

AND

ELECTRICAL

SHOCK

HAZARDS, WHEN

SERVICING

IF

IS

LVDS_HIGH_MID

2011.08.11

ESSENTIAL

THAT ONLY

MANUFATURES SPECFIED

PARTS

BE

USED

FOR

THE CRITICAL COMPONENTS IN

THE

SYMBOL

MARK

OF THE SCHEMETIC.

71

Copyright © 2013 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 49

LG Electronics 32LA62**-Z* Lvds, Copyright 2013 LG Electronics. Inc. All rights reserved, LGE Internal Use Only

Contents

SERVICE MANUAL MODEL 32LA62** 32LA62**-ZREAD THE SAFETY PRECAUTIONS IN THIS MANUAL LED TVCONTENTS CONTENTSSAFETY PRECAUTIONS SERVICING PRECAUTIONSIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 3. Test methodSymbolrate 4.0Msymbols/s to 7.2Msymbols/s Specificationsymbolrate DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s5. Component Video Input Y, Pb, Pr 6.2. PC mode 6. HDMI Input 6.1. DTV modeOnly for training and service purposes 7.1. HDMI 1.4b 3D supported mode automaticallyCopyright LG Electronics. Inc. All rights reserved7.4. RF Input 3D supported mode automatically 7.3. RF Input3D supported mode manually7.5. USB Input 3D supported mode manually 7.2. HDMI Input1.37.7. DLNA Input 3D supported mode manually 7.6. HDMI-PC Input 3D supported mode manually7.8. Component Input3D 3D supported mode manually 7.9. 3D Input mode3. Automatic Adjustment ADJUSTMENT INSTRUCTION1. Application Range 2. DesignationSET PC 3.3. LAN PORT INSPECTIONPING TEST3.4. Model name & Serial number Download 3.5. CI+ Key checking method3.6. WIFI MAC ADDRESS CHECK 4. Manual Adjustment4.1. EDID DATA 4.2.4. Adj. Command Protocol 4.2. White Balance Adjustment4.1.2. 2D EDID 4.2.1. Overview4.2.5. Adj. method 4.2.6. Reference White balance Adj. coordinate and color temperature4.2.7. ALELF & EDGE LED White balance table 4.6. Wi-Fi Test 4.4. Magic Motion Remote control test4.3. Local Dimming Function Check 4.5. 3D function test7. GND and Internal Pressure check 6. Ship-out mode checkIn-stop5. Tool Option selection 8. AudioAfter downloading, have to adjust Tool Option again 9. USB S/W DownloadService onlyBLOCK DIAGRAMLGE2122 reservedEXPLODED VIEW NVRAM EAX64797001* LD33B EAX64872101* LA33BX-TAL Model OptionPLACE AT JACK SIDE Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only ZD500PLACE AT MAIN SOC SIDE PLACE AT JACK SIDEPLACE AT IC6000 Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only DDR512MBSSCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only PowerDET PANELPOWERFROM LPB & PSU +5VNormalFor Debug Renesas MICOMMICOM MODEL OPTION GP4 High/MID Power SEQUENCESIDE Only for training and service purposesHDMI3 SIDESPDIF Only for training and service purposesSPDIF OUT Copyright 2013 LG Electronics. Inc. All rights reservedCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only JACKCOMMONAV/COMPONENT REAR Only for training and service purposesUART FOR DEBUG Copyright 2013 LG Electronics. Inc. All rights reservedOnly for training and service purposes MAX 0.4AMREMOTE&WIFIWAFER AR4100USB2 MAX 1.5A OCP USB2/3USB3 MAX 1.5A Only for training and service purposesOCP USB1 USB1MAX 1.5A IC4500Full Scart18 Pin Gender Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyEthernet Block Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use Only0x54 Only for training and service purposesAMPMUTEPWRDET Copyright 2013 LG Electronics. Inc. All rights reservedSCART AUDIO MUTE Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes EARPHONE AMP 18pFHEADPHONE AMP 2011.09.29CI POWER ENABLE CONTROL Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes B-CAS SMART CARD INTERFACECopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyVout=0.6*1+R1/R2 Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyTU6600 Only for training and service purposesTU6601 TU6602JP6800 RS-232C Control INTERFACEJP6801 OptionLNB DVB-S2 LNB Part AllegroOnly for training and service purposes Input trace widths should be sized to conduct at least 3AOnly for training and service purposes LVDS51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT ConnectorOnly for training and service purposes LOCAL DIMMINGCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyTHIS IS REVERSE PATTERN POWER BLOCKLEVEL SHIFTER BLOCK Only for training and service purposesT-Con Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyeMMC I/F Don’t Connect Power At VDDIOnly for training and service purposes Just Interal LDO CapacitorCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only +24VAMP OPT C5450 10uF 35VOnly for training and service purposes JAPAN TUNER INTERFACEUSE Two serial TS Port for Japan MTK A2 Ball Name Function DEMODTSCLK ExtTSCLK DEMODTSSYNC ExtTSSync DEMODTSDATA0 ExtTsD0Page XXLA64/62/61*-Z XXLN57*-Z Applicable Model Mid-end Platform XXLA74*-Z XXLA71*-Z XXLA69/66*-ZOnly for training and service purposes 2013 LED/LCD TV Engineering guide1. New features 2. Main PCBs 3. Block Diagrams, IIC Map CONTENTInstruction of new sub ass’ys 6. Adjust way of new features 4. Structure of TV set and connection of sub ass’ys 5. New sub ass’ysEPI Interface EPIEmbedded Point-Point Interface FeaturesMerits HF mini-LVDS TCON EPI Interface mini-LVDS vs. EPIEPI TCON ComparisonEPI Interface mini-LVDS vs. EPI FeaturesHF mini-LVDS TopologyUser Action Area NFC Near field communicationNFC Tag From TV to Smart phoneWIFI/BT Main PCB for BroadbandOnly for training and service purposes xxLA660S-Zx1. LGE2122 Block Diagram 2. LGE 2122 I2C Block Diagram IC105 LGE3.5V 3. Power Block DiagramCI Slot Only for training and service purposesTDSQ G501D Copyright 2013 LG Electronics. Inc. All rights reservedOnly for training and service purposes 5. Video/Audio In Block DiagramJack Side SoC SideOnly for training and service purposes 6. Audio Out Block DiagramCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyHDMI1 Only for training and service purposesHDMI2 HDMI3PMIC Only for training and service purposesLevel Shift TPS65178PMIC 9. PMIC & Level Shift Bloc DiagramLevel Shift TPS65178Motion Remote Receiver Only for training and service purposes4Pin debugging wafer RENESAS MICOMPCBs InterconnectionCables 47LA660S-ZAInterconnection Only for training and service purposesPCBs Cables1. System 2. Remote Buttons 3. MR13 Block Diagram 4. Function List Introductions of 13Y RF ass’y + Magic Remote control5. Pairing/Un-pairing Method Only for training and service purposes Pairing Information Transmission Send to TV after Paired 1. SystemPairing Information Transmission Sequence  Motion Data TransmissionM4 Remote 2. Remote Buttons M4 vs. MR13MR13 Remote repeatPower Management 3. MR13 Block DiagramBluetooth Remote control Bluetooth ReceiverWireless communication 4. Function listBattery Boost up Regulator RF, Gyro, Accelerometer Power SupplyMethod 5. RF Pairing / Un-pairing MethodDescription 1. Wi-Fi built in Ass’y feature 2. Wi-Fi built in Ass’y specification Introductions of 13Y WIFI built in ass’yOnly for training and service purposes Copyright 2013 LG Electronics. Inc. All rights reservedPin map WIFI Built in ass’y featureSwitch SwitchOnly for training and service purposes WIFI Built in ass’y SpecificationCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use Only1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM Widevine & HDCP 2.0 & NETFLXContents Only for training and service purposes1. Widevine?  Netflix 2. HDCP 2.0 & NETFLIX? Why HDCP2.0?  HDCP3. DTCP? As-Was 4. Changed BOMCurrent Changed ItemContents of LCD TV Standard Repair Process Error symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContent PageCheck Power Board 24v output Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D CableCheck Power Board 12v,3.5v etc Replace T-con Board or module And Adjust VCOMOnly for training and service purposes Check various voltages of Power Board3.5V,12V,20V or 24V… Copyright 2013 LG Electronics. Inc. All rights reservedMenu→ Set up→ Support → Signal Test By using Digital signal level meter By using Diagnostics menu on OSDSignal strength Normal over 50% Signal Quality Normal over 50% Check RF Signal levelCheck RF Signal level A. Picture Problem DVB-S/S2LCD TV → Set-Top-Box, Different maker TV etcCheck color by input -External Input COMPONENT A10/ A11※ Check and replace LinkVertical/Horizontal bar, residual image, light spot External device screen error-Color errorReplace Main B/D adjust VCOM A10/ A11Check Power On ‘”High” Check Power LEDMeasure voltage of each output of Power B/D Check ST-BYIf Power Off mode is not displayed Check Power B/D voltage Check Power Off ModePOWEROFFABNORMAL1 POWEROFFCPUABNORMALCheck user menu Speaker off Check audio B+ 24V of Power BoardCheck audio B+ Voltage In case of External Input signal error Check and fix external deviceCheck IR Output signal Check & Repair Cable connection Connector solderCheck 3.5v on Power B/D Replace Power B/D or Replace Main B/D Power B/D don’t have problemError D. Function errorsymptom External device recognition errorIdentify noise type F. Exterior defect Adjust VCOMLCD TV LCD TV G. Network ErrorCheck S/W Version  Check SVC Bulletin Check defect CI slot pinError symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContent Continued from previous pageALL MODELS Standard Repair Process Detail Technical ManualEntry method Standard Repair Process Detail Technical Manual 24 Pin Power Board ↔ Main BoardCheck the DC 24V, 12V SMAW200-H24SMENU  support  signal test  select channel A. Video errorVideo error, video lag/stopWhen the signal is strong, use the attenuator -10dB, -15dB, -20dB etc Only for training and service purposes1. Checking method for remote controller for adjustment A. Video errorVideo error, video lag/stopPress the IN-START with the remote controller for adjustment Only for training and service purposesOnly for training and service purposes A. Video error Vertical/Horizontal bar, residualStandard Repair Process Detail Technical Manual image, light spotStandard Repair Process Detail Technical Manual A. Video errorVideo error, video lag/stopALL MODELS Checking methodYou can view 6 types of patterns using the ADJ Key A. Video errorColor errorMODULE error ADD-BAR,SCAN BAR 4.Video error Classification of MODULE or Main-B/DAbnormal Power Section Appendix Exchange EPI Cable or Main B/DAbnormal Power Section Only for training and service purposesAbnormal Power Section Abnormal Power SectionFuse Open, Abnormal power section Only for training and service purposesOnly for training and service purposes Appendix Exchange LPBLED driverNo Light Dim LightUn-repairable Cases In this case please exchange the module Appendix Exchange the ModulePanel Mura, Light leakage Crosstalk Press damage Panel Mura, Light leakageUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleFront LOGO LED control in the status of ST-BY Condition Standard Repair Process Detail Technical Manual24 Pin Power Board ↔ Main Board When st-by, only 3.5V is normally onStandard Repair Process Detail Technical Manual For ’10 models, there is no voltage out for st-by purpose24 Pin Power Board ↔ Main Board Check “power on” pin is highChecking method when power is ON Standard Repair Process Detail Technical Manual2. Check the entry into adjustment item 1. Press the IN-START button of the remote controller for adjustmentB. Power error Off when on, off whiling viewing Only for training and service purposes1. Press the MENU button on the remote controller C. Audio errorNo audio/Normal videoOnly for training and service purposes Standard Repair Process Detail Technical Manual24 Pin Power Board ↔ Main Board C. Audio errorNo audio/Normal videoChecking order when there is no audio Standard Repair Process Detail Technical Manual③ ④ ② ① Standard Repair Process Detail Technical ManualALL MODELS LCD module change T-Con board change Standard Repair Process Detail Technical Manual