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

LG Electronics 32LM640S/640T-ZA IC5800, STA380BW, GP4MT5369, 2011.11.21, Audiost, 0X38

Models: 32LM640S/640T-ZA 640T-ZA

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IC5800

R5800

AMP_MUTE

10K

+24V

+24V_AMP

+3.3V_NORMAL

L5800

CIS21J121

L5801

C5800

C5802

BLM18PG121SN1D

0.1uF

0.1uF

50V

50V

NC_13

NC_14

C5826

C5803

NC_15

VDDDIG1

10uF

0.1uF

10V

16V

GNDDIG1

FFX3A

FFX3B

EAPD/FFX4A

C5804

TWARNEXT/FFX4B

2.2uF

VREGFILT

10V

AGNDPLL

MCLK

C5829

1000pF

50V

AUD_MASTER_CLK

OPT

AUD_SCK

AUD_LRCK

+3.5V_ST

AUD_LRCH

R5801

10K

AMP_RESET_N

22

R5807

R5802

C

100

22

R5808

B

Q5800

C5801

I2C_SDA1

22

R5809

I2C_SCL1

MMBT3904(NXP)

0.1uF

E

16V

C5828

0.1uF

16V

25

26

27

28

29

30

31

32

33

34

35

36

L5803

12

11

10

9

8

7

6

5

4

3

2

1

10.0uH

C5818

C5822

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

0.22uF

1000pF

24

23

22

21

20

19

18

17

16

15

14

13

C5806

C5808

R5810

R5812

C5816

50V

50V

43

43

0.22uF

12

GND_REG

0.1uF

0.1uF

16V

16V

50V

VDD_REG

OPT

C5811

C5819

C5823

11

L5804

DEV_STM_AMP

10

OUT1A

330pF

10.0uH

0.22uF

1000pF

50V

50V

50V

GND1

9

IC5800

8

VCC1

STA380BW

7

OUT1B

6

OUT2A

L5805

5

VCC2

0X38

10.0uH

4

GND2

3

OUT2B

C5812

C5820

C5824

0x38

when

SA=0

49

2

VSS_REG

330pF

0.22uF

1000pF

THERMAL

C5805

50V

C5817

50V

50V

VCC_REG

0x3A

when

SA=1

1

0.1uF

0.22uF

16V

R5811

R5813

50V

C5821

C5825

37

38

39

40

41

42

43

44

45

46

47

48

43

43

L5806

0.22uF

1000pF

BICKI

LRCKI

SDI

RESET

PWDN

INTLINE

SDA

SCL

SA

TESTMODE

GNDDIG2

VDDDIG2

10.0uH

[EP]

50V

50V

+24V_AMP

+3.3V_NORMAL

L5802

BLM18PG121SN1D

C5809

C5810

C5813

C5814

C5815

C5827

0.1uF

1uF

1uF

0.1uF

10uF

10uF

50V

50V

50V

50V

35V

35V

C5807

0.1uF

16V

SPK_L+

SPK_L-

SPK_R+

SPK_R-

SPK_L+

SPEAKER_L

SPK_L-

SPK_R+

SPEAKER_R

SPK_R-

WAFER-ANGLE

4

3

2

1

P5800


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
ESSENTIAL			THAT ONLY	MANUFATURES SPECFIED				PARTS	BE	USED	FOR
THE	CRITICAL COMPONENTS IN				THE		SYMBOL	MARK	OF	THE SCHEMETIC.

Copyright © 2012 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

GP4_MT5369	2011.11.21
AUDIO[ST]	58

LGE Internal Use Only

Image 37

LG Electronics 640T-ZA IC5800, STA380BW, GP4MT5369, 2011.11.21, Audiost, 0X38, Only for training and service purposes

Contents

32LM640S/640T-ZA MODEL 32LM640S/640TSERVICE MANUAL LED LCD TVOnly for training and service purposes CONTENTSCopyright LG Electronics. Inc. All rights reservedIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold CheckElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 2. Requirement for TestSymbolrate Specification4.0Msymbols/s to 7.2Msymbols/s symbolrate6. RGB input PC 5. Component Video Input Y, Cb/Pb, Cr/Pr7.2. PC mode 7. HDMI Input 7.1. DTV mode3. Automatic Adjustment ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.4. LAN PORT INSPECTIONPING TEST 3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/LSET PC 3.3. LAN3.5. Model name & Serial number Download 3.7. WIFI MAC ADDRESS CHECK3.6. CI+ Key checking method 3.5.1. Model name & Serial number D/L4.1.1. Overview 4. Manual Adjustment4.1.2. Equipment 4.1.3. Download method4.2.4. Adj. Command Protocol 4.2. White Balance Adjustment4.2.1. Overview 4.2.2. Equipment4.3. EYE-Q function check 4.5. Magic Motion Remote control test4.4. Local Dimming Function Check 4.2.7. LED White balance table4.6. 3D function test 4.7. Wi-Fi Test4.8. LNB voltage and 22KHz tone check 4.9. Option selection per country5. Audio 6. USB S/W DownloadService only4.12. GND and Internal Pressure check Side BLOCK DIAGRAMRear HDMIIMPORTANT SAFETY NOTICE EXPLODED VIEWNVRAM EAX6430790* LD22* / LC22 EAX6443420* LT22* / LJ22* / LA22* / LB22X-TAL JTAG 10KPLACE AT JACK SIDE Only for training and service purposesPlace at JACK SIDE PLACE AT JACK SIDEOnly for training and service purposes SMD GaskitCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyPLACE AT MAIN SOC SIDE PLACE AT JACK SIDEPLACE AT IC6000 Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only IC701 H5TQ2G63BFR-PBCCopyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesLGE Internal Use Only PowerDET FROM LIPS & POWER B/DPANELPOWER On-semiFor Debug Renesas MICOMMICOM MODEL OPTION Eye Sensor OptionHDMI1 Only for training and service purposesUI HDMI3 HDMI4RGB/ PC AUDIO/ SPDIF Only for training and service purposesSPDIF OUT PC AUDIOESD for MTK Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyRS232C Only for training and service purposesCVBS 1 PHONE JACK COMPONENT 1 PHONE JACKZener Diode is IR & KEYclose to wafer Only for training and service purposes+5VUSB FOR USB1 USBWIFIUSB1 USB2 MAX 1.5AFull Scart18 Pin Gender Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyALL MREMOTE OPTION ZigBeeRadio Pulse MREMOTE OPTIONOnly for training and service purposes AR4800Only for training and service purposes Ethernet BlockESD for MTK ESD for LG1152IC5800 Only for training and service purposesSTA380BW GP4MT5369SCART AUDIO MUTE Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes EARPHONE AMPHEADPHONE AMP Copyright 2012 LG Electronics. Inc. All rights reservedOption FOR LG1152 Option FOR MTKOnly for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes T/C/S & H/NIM & T2/C TUNEREU & CHINAVout=0.6*1+R1/R2 TU6500Only for training and service purposes OptionLNBDVB-S2 LNB Part Allegro DCDCGND and AGND are connectedFOR COMMERCIAL 12V OUT RS-232C 9 PIN OPTCOMMEREXT12V AUDIO OUT JACK OPTCOMMEREXTAMP COMMEREXTAMPJACKFOR COMMERCIAL AUDIO OUT OPTCOMMEREXTAMP Only for training and service purposesOnly for training and service purposes LVDS51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT Connector Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes LOCAL DIMMINGAR7600 1/16WTHIS IS REVERSE PATTERN POWER BLOCKLEVEL SHIFTER BLOCK Only for training and service purposeseMMC I/F Don’t Connect Power At VDDIOnly for training and service purposes HYNIXEMMC2GBPlace Near Micom Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyPage Only for training and service purposes Applicable Model XXLM760S-ZB2012 LED/LCD TV Engineering guide Copyright 2012 LG Electronics. Inc. All rights reservedNew features Main PCBs Block Diagrams, IIC Map CONTENTInstruction of new sub ass’ys How to use tool Download Adjust way of new features widevine… Repair guideEPI Interface EPIEmbedded Point-Point Interface FeaturesMerits HF mini-LVDS TCON EPI Interface mini-LVDS vs. EPIComparison What to changeHF mini-LVDS EPI Interface mini-LVDS vs. EPIWIFI Main PCB for BroadbandOnly for training and service purposes xxLM760S-ZBPower load MTK5369 Block Diagram LM76Side RearOnly for training and service purposes Jack InterfaceMain SoC MTK Full Scart18 Pin GenderOnly for training and service purposes GP4 Backend block diagram EPI & T-conR 47옴 Copyright 2012 LG Electronics. Inc. All rights reservedEPI CH1/2/3 GP4 Backend block diagram EPI & T-ConEPI CH4/5/6 Only for training and service purposesLVDS Tx Block GP4 Backend block diagram LVDS Tx & Local DimmingOnly for training and service purposes Dual-link LVDS OutputPCBs InterconnectionCables xxLM760S-ZAAss’y Picture Pin Configuration Circuit Block Diagram2012Y IR + Soft touch PCB Pinmap KEY1, KEY2 Voltage2012Y IR + Soft Touch LED Lighting Scenario Power LED ScenarioSpec 내용 Manual of Touch Sensitivity Introductions of GP4 Sensor Touch ICTouch Key Threshold Level Ta = 25ºC Addr Value Touch EEPROM Register change with USB portIntroductions of GP4 Sensor Touch IC Only for training and service purposes Introductions of 12Y RF ass’y + Magic Remote controlCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use Only™ Pairing Information Transmission Send to TV after Paired 1. SystemPairing Information Transmission Sequence ™ Motion Data Transmissionpower powermute homeAA x 2 Battery 3. M4 Block DiagramPower Management Connector주요 Item 4. Function listManufacturer FunctionMethod 5. RF Pairing / Un-pairing MethodDescription Only for training and service purposes Introductions of 12Y WIFI built in ass’yCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyBlock diagram WIFI Built in ass’y featureLGITPin map WIFI built in featureOnly for training and service purposes WIFI Built in Block-diagramArcadyanCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes WIFI Built in ass’y SpecificationCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use Only1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM 12Y Widevine & HDCP 2.0 & NETFLXOnly for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reserved1. Widevine? ‰ Netflix 2. HDCP 2.0 & NETFLIX?‰ Why HDCP2.0? ‰ HDCP3. DTCP? As-Was 4. Changed BOMCurrent Only for training and service purposes4. Changed BOM Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyContents of LCD TV Standard Repair Process Error symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContent PageA2 Check 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 BoardStandard Repair Process dateCheck Check RF Signal levelS/W Version Check S/W Version Check RF Signal levelColor error? Color error?Color error? A10/ A11Vertical/Horizontal bar, residual image, light spot External device screen error-Color errorReplace Main B/D adjust VCOM External Input error Component error RGB error HDMI DVIPower LED Y On? Check Power LEDCheck Power On ‘”High” Measure voltage of each output of Power B/DCheck Power Off Mode Error?If Power Off mode is not displayed Check Power B/D voltage Power off ListOnly for training and service purposes of Power BoardStandard Repair Process dateStandard Repair Process In case of External Input signal error Check and fix external devicedate Check audio B+ VoltageCheck 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 problemRecognition error Recognition errorOnly for training and service purposes Standard Repair ProcessIdentify nose type F. Exterior defect Adjust VCOMLCD TV Error symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContent PageALL MODELS Standard Repair Process Detail Technical ManualStandard Repair Process Detail Technical Manual 24 Pin Power Board ↔ Main BoardEdge LED SMAW200-H24S YEONHOStandard Repair Process Detail Technical Manual Only for training and service purposesALL MODELS dateOnly for training and service purposes 1. Checking method for remote controller for adjustmentStandard Repair Process Detail Technical Manual ALL MODELSStandard Repair Process Detail Technical Manual Only for training and service purposesALL MODELS dateALL MODELS Standard Repair Process Detail Technical ManualChecking method Standard Repair Process Detail Technical Manual Only for training and service purposesdate dateAppendix Exchange T-Con Board Abnormal Power Section Abnormal Power SectionFuse Open, Abnormal power section Only for training and service purposesOnly for training and service purposes Appendix Exchange PSULED driverNo Light Dim LightUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleOnly for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleStandard Repair Process Detail Technical Manual Only for training and service purposesdate dateStandard Repair Process Detail Technical Manual When st-by, only 3.5V is normally onFor ’10 models, there is no voltage out for st-by purpose Edge LED Edge LEDStandard Repair Process Detail Technical Manual Check “power on” pin is highEdge LED Edge LED SMAW200-H24S YEONHOOnly for training and service purposes B. Power error Off when on, off whiling viewingStandard Repair Process Detail Technical Manual ALL MODELSStandard Repair Process Detail Technical Manual Only for training and service purposesALL MODELS dateALL MODELS Standard Repair Process Detail Technical ManualALL MODELS Standard Repair Process Detail Technical ManualLCD module change T-Con board change Standard Repair Process Detail Technical Manual