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

Page 37
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-

 

STA380BW SPK_L+

SPEAKER_L

0X38 SPK_L-

GP4_MT5369 SPK_R+

SPEAKER_R

2011.11.21 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

Page 36 Page 38
Image 37
Page 36 Page 38
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 Test4.0Msymbols/s to 7.2Msymbols/s Symbolratesymbolrate DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s6. 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 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 LGE2112Copyright 2012 LG Electronics. Inc. All rights reserved PowerDET FROM LIPS & POWER B/DPANELPOWER On-semiFor Debug Renesas MICOMMICOM MODEL OPTION Eye Sensor OptionUI HDMI3 HDMI1HDMI4 UI HDMI2SPDIF OUT RGB/ PC AUDIO/ SPDIFPC AUDIO JK3603 SLIM-15F-D-2JACKCOMMON ESD for MTKCVBS 1 PHONE JACK RS232CCOMPONENT 1 PHONE JACK Zener Diode is IR & KEYclose to wafer RGB Sensor+5VUSB FOR USB1 USBWIFIUSB1 USB2 MAX 1.5ASCART GENDER Full Scart18 Pin Gender2011.10.26 ALL MREMOTE OPTION ZigBeeRadio Pulse MREMOTE OPTIONAR4800 1/16WEthernet Block STA380BW IC5800GP4MT5369 2011.11.21AUDOUT EU/CHINAHOTELOPT SCART AUDIO MUTEIC6000 A Z4580MTR-E1HEADPHONE AMP EARPHONE AMPOption FOR LG1152 Option FOR MTKVout=0.6*1+R1/R2 T/C/S & H/NIM & T2/C TUNEREU & CHINATU6500 TU6501DVB-S2 LNB Part Allegro OptionLNBDCDCGND and AGND are connected DCDCGND and AGND are connected in pin#27FOR COMMERCIAL 12V OUT RS-232C 9 PIN OPTCOMMEREXT12V AUDIO OUT JACK OPTCOMMEREXTAMP COMMEREXTAMPJACKFOR COMMERCIAL AUDIO OUT OPTCOMMEREXTAMP COMMERCIALOPTION51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT Connector LVDSLVDSHIGHMID 2011.08.11AR7600 LOCAL DIMMINGL/DIMOUT THIS IS REVERSE PATTERN POWER BLOCKLEVEL SHIFTER BLOCK T-ConeMMC I/F Don’t Connect Power At VDDIHYNIXEMMC2GB Just Interal LDO CapacitorLOGOLIGHT R8901 10K Place Near MicomPage 2012 LED/LCD TV Engineering guide Applicable Model XXLM760S-ZBNew 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 WIFI Main PCB for BroadbandxxLM760S-ZB Chassis LD22E PCB P/No EAX64307905Power load MTK5369 Block Diagram LM76Side RearMain SoC MTK Jack InterfaceFull Scart18 Pin Gender IC6100R 47옴 GP4 Backend block diagram EPI & T-conR0 옴 EPI CH1/2/3 GP4 Backend block diagram EPI & T-ConEPI CH4/5/6 50PinLVDS Tx Block GP4 Backend block diagram LVDS Tx & Local DimmingDual-link LVDS Output LVDSSEL “H”=JEIDA, “L” or NC=VESA LGDPCBs 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 12Y RF ass’y + Magic Remote control ™ Pairing Information Transmission Send to TV after Paired 1. SystemPairing Information Transmission Sequence ™ Motion Data Transmissionmute powerhome ← ok →AA x 2 Battery 3. M4 Block DiagramPower Management Connector주요 Item 4. Function listManufacturer FunctionMethod 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 featureWIFI 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 & NETFLX1. Widevine? ‰ Netflix 2. HDCP 2.0 & NETFLIX?‰ Why HDCP2.0? ‰ HDCP3. DTCP? As-Was 4. Changed BOMCurrent Æ 추가4. Changed BOM Contents 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 VCOMRevised 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 andVertical/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 ListCheck user menu Speaker off of Power BoardCheck audio B+ NormalCheck 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 problemExternal Input and Recognition erroraccordance Identify nose type F. Exterior defect Adjust VCOMError symptom ALL MODELS Standard Repair Process Detail Technical ManualEdge 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 NoiseNo Light Appendix Exchange PSULED driverDim Light No picture/Sound OkUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleStandard 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 dateALL MODELS Standard Repair Process Detail Technical ManualALL MODELS LCD module change T-Con board change
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