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

LG Electronics 47LM761S/761T-ZA IC5800, STA380BW, GP4MT5369, 2011.11.21, Audiost, 0X38

Models: 47LM760S/760T-ZB 47LM761S/761T-ZA MFL67360901 47LM761S/761T 47LM765S/765T 47LM765S/765T-ZD

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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 47LM761S/761T-ZA, MFL67360901 IC5800, STA380BW, GP4MT5369, 2011.11.21, Audiost, 0X38, LGE Internal Use Only

Contents

SERVICE MANUAL MODEL 47LM760S/760T 47LM760S/760T-ZBLED LCD TV 47LM761S/761T 47LM761S/761T-ZA 47LM765S/765T 47LM765S/765T-ZD Only for training and service purposes CONTENTSCopyright LG Electronics. Inc. All rights reserved IMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold Check Electrostatically Sensitive ES Devices SERVICING PRECAUTIONS Replacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal 4. Model General Specification SPECIFICATION1. Application range 2. Requirement for Test 4.0Msymbols/s to 7.2Msymbols/s Symbolratesymbolrate DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s 6. RGB input PC 5. Component Video Input Y, Cb/Pb, Cr/Pr 7.2. PC mode 7. HDMI Input 7.1. DTV mode 3. Automatic Adjustment ADJUSTMENT INSTRUCTION1. Application Range 2. Designation 3.4. LAN PORT INSPECTIONPING TEST 3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/LSET PC 3.3. LAN 3.5. Model name & Serial number Download 3.7. WIFI MAC ADDRESS CHECK3.6. CI+ Key checking method 3.5.1. Model name & Serial number D/L 4.1.1. Overview 4. Manual Adjustment4.1.2. Equipment 4.1.3. Download method 4.2.4. Adj. Command Protocol 4.2. White Balance Adjustment4.2.1. Overview 4.2.2. Equipment 4.3. EYE-Q function check 4.5. Magic Motion Remote control test4.4. Local Dimming Function Check 4.2.7. LED White balance table 4.6. 3D function test 4.7. Wi-Fi Test4.8. LNB voltage and 22KHz tone check 4.9. Option selection per country 5. Audio 6. USB S/W DownloadService only4.12. GND and Internal Pressure check Side BLOCK DIAGRAMRear HDMI EXPLODED VIEW NVRAM EAX6430790* LD22* / LC22 EAX6443420* LT22* / LJ22* / LA22* / LB22X-TAL JTAG 10K Place at JACK SIDE PLACE AT JACK SIDEPLACE AT JACK SIDE 12.5TGASKITSMDUSB1 SMD Gaskit12.5TGASKITSMDUSB3 PLACE AT MAIN SOC SIDE PLACE AT JACK SIDEPLACE AT IC6000 IC703 IC701 H5TQ2G63BFR-PBCH5TQ2G63BFR-PBC IC105 LGE2112 Copyright 2012 LG Electronics. Inc. All rights reserved PowerDET FROM LIPS & POWER B/DPANELPOWER On-semi For Debug Renesas MICOMMICOM MODEL OPTION Eye Sensor Option UI HDMI3 HDMI1HDMI4 UI HDMI2 SPDIF OUT RGB/ PC AUDIO/ SPDIFPC AUDIO JK3603 SLIM-15F-D-2 JACKCOMMON ESD for MTK CVBS 1 PHONE JACK RS232CCOMPONENT 1 PHONE JACK Zener Diode is IR & KEYclose to wafer RGB Sensor +5VUSB FOR USB1 USBWIFIUSB1 USB2 MAX 1.5A SCART GENDER Full Scart18 Pin Gender2011.10.26 ALL MREMOTE OPTION ZigBeeRadio Pulse MREMOTE OPTIONAR4800 1/16W Ethernet Block STA380BW IC5800GP4MT5369 2011.11.21 AUDOUT EU/CHINAHOTELOPT SCART AUDIO MUTEIC6000 A Z4580MTR-E1 HEADPHONE AMP EARPHONE AMP Option FOR LG1152 Option FOR MTK Vout=0.6*1+R1/R2 T/C/S & H/NIM & T2/C TUNEREU & CHINATU6500 TU6501 DVB-S2 LNB Part Allegro OptionLNBDCDCGND and AGND are connected DCDCGND and AGND are connected in pin#27 FOR COMMERCIAL 12V OUT RS-232C 9 PIN OPTCOMMEREXT12V AUDIO OUT JACK OPTCOMMEREXTAMP COMMEREXTAMPJACKFOR COMMERCIAL AUDIO OUT OPTCOMMEREXTAMP COMMERCIALOPTION 51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT Connector LVDSLVDSHIGHMID 2011.08.11 AR7600 LOCAL DIMMINGL/DIMOUT THIS IS REVERSE PATTERN POWER BLOCKLEVEL SHIFTER BLOCK T-Con eMMC I/F Don’t Connect Power At VDDIHYNIXEMMC2GB Just Interal LDO Capacitor LOGOLIGHT R8901 10K Place Near MicomPage 2012 LED/LCD TV Engineering guide Applicable Model XXLM760S-ZB New 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 guide EPI Interface EPIEmbedded Point-Point Interface FeaturesMerits HF mini-LVDS TCON EPI Interface mini-LVDS vs. EPIComparison What to change HF mini-LVDS WIFI Main PCB for BroadbandxxLM760S-ZB Chassis LD22E PCB P/No EAX64307905 Power load MTK5369 Block Diagram LM76Side Rear Main SoC MTK Jack InterfaceFull Scart18 Pin Gender IC6100 R 47옴 GP4 Backend block diagram EPI & T-conR0 옴 EPI CH1/2/3 GP4 Backend block diagram EPI & T-ConEPI CH4/5/6 50Pin LVDS Tx Block GP4 Backend block diagram LVDS Tx & Local DimmingDual-link LVDS Output LVDSSEL “H”=JEIDA, “L” or NC=VESA LGD PCBs InterconnectionCables xxLM760S-ZA Ass’y Picture Pin Configuration Circuit Block Diagram2012Y IR + Soft touch PCB Pinmap KEY1, KEY2 Voltage 2012Y 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 port Introductions of 12Y RF ass’y + Magic Remote control ™ Pairing Information Transmission Send to TV after Paired 1. SystemPairing Information Transmission Sequence ™ Motion Data Transmission mute powerhome ← ok → AA x 2 Battery 3. M4 Block DiagramPower Management Connector 주요 Item 4. Function listManufacturer Function Method 5. RF Pairing / Un-pairing MethodDescription Introductions of 12Y WIFI built in ass’y Block diagram WIFI Built in ass’y featureLGITPin map WIFI built in feature WIFI Built in Block-diagramArcadyan WIFI Built in ass’y Specification 1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM 12Y Widevine & HDCP 2.0 & NETFLX 1. Widevine? ‰ Netflix 2. HDCP 2.0 & NETFLIX?‰ Why HDCP2.0? ‰ HDCP 3. DTCP? As-Was 4. Changed BOMCurrent Æ 추가 4. Changed BOM Contents of LCD TV Standard Repair Process Error symptom Contents of LCD TV Standard Repair Process Detail Technical ManualContent Page A2 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 VCOM Revised date Check various voltages of Power Board3.5V,12V,20V or 24V… Normal Y voltage? Check Check RF Signal levelS/W Version Check S/W Version A10/ A11 Color error?Check color by input -External Input COMPONENT -RGB ※ Check and Vertical/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 DVI Power LED Y On? Check Power LEDCheck Power On ‘”High” Measure voltage of each output of Power B/D Check Power Off Mode Error?If Power Off mode is not displayed Check Power B/D voltage Power off List Check user menu Speaker off of Power BoardCheck audio B+ Normal Check audio B+ Voltage In case of External Input signal error Check and fix external device Check 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 problem External Input and Recognition erroraccordance Identify nose type F. Exterior defect Adjust VCOM Error symptom ALL MODELS Standard Repair Process Detail Technical Manual Edge LED 24 Pin Power Board ↔ Main BoardSMAW200-H24S YEONHO Standard Repair Process Detail Technical Manual 1. Checking method for remote controller for adjustment Standard Repair Process Detail Technical Manual Checking method Standard Repair Process Detail Technical Manual Appendix Exchange T-Con Board Abnormal Display Fuse Open, Abnormal power sectionGRADATION Noise No Light Appendix Exchange PSULED driverDim Light No picture/Sound Ok Un-repairable Cases In this case please exchange the module Appendix Exchange the Module Un-repairable Cases In this case please exchange the module Appendix Exchange the Module Standard Repair Process Detail Technical Manual For ’10 models, there is no voltage out for st-by purpose When st-by, only 3.5V is normally onEdge LED Edge LED Check “power on” pin is high B. Power error Off when on, off whiling viewing Standard Repair Process Detail Technical Manual Only for training and service purposesALL MODELS date ALL MODELS Standard Repair Process Detail Technical Manual ALL MODELS LCD module change T-Con board change