LG Electronics 640T-ZA Rgb/ Pc Audio/ Spdif, Spdif Out, LGE Internal Use Only, Jack High / Mid

Page 29
RGB/ PC AUDIO/ SPDIF

RGB/ PC AUDIO/ SPDIF

RGB

PC

 

RGB_5V

RGB_5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MMBD6100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D3620

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC3600

 

 

 

R3641

R3642

 

EDID

R3645

 

 

 

 

 

 

 

2.7K

2.7K

 

10K

 

 

 

M24C02-RMN6T

 

 

 

 

 

 

 

 

 

 

 

 

 

_

 

 

 

 

1

 

8

VCC

 

 

 

 

RGB

 

 

 

 

 

 

E0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB_EDID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E1

7

WC

 

 

 

 

 

 

 

 

 

 

 

 

2

 

SCL

 

 

 

 

 

 

 

 

 

 

 

E2

6

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS

 

SDA

 

 

 

 

 

 

 

 

 

 

 

 

4

 

5

C3633

C3634

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18pF

18pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50V

50V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSUB_VSYNC

 

 

 

 

 

 

 

 

 

D3621

 

 

 

 

 

D3615

 

 

 

 

 

 

 

 

 

 

30V

 

 

 

 

 

 

 

 

ADUC 5S 02 0R5L

 

 

 

 

 

 

 

 

 

 

 

 

 

5.5V

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSUB_HSYNC

JK3603 D3616

SPDIF OUT 30V

OPT

DSUB_B+

DSUB_G+

DSUB_R+

Closed to JACK

6

11

1

7

12

2

8

13

3

9

14

4

10

15

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

12

 

 

13

 

14

 

 

 

15

 

6

 

 

 

7

 

8

 

 

9

 

 

10

 

 

 

 

 

1

 

 

2

 

 

3

 

4

 

 

 

5

JK3603

SLIM-15F-D-2

+5V_NORMAL

PC AUDIOEDID_WP

R3643 22

JACK HIGH / MID2011.11.21RGB_DDC_SCL

R3644 22

RGB_DDC_SDA

D3622

ADUC 5S 02 0R5L

5.5V

OPT

R3600

D3600

 

0

20V

R3601

NON_RGB_DEBUG

OPT

0

 

 

NON_RGB_DEBUG

+3.3V_NORMAL

 

 

R3646

 

 

10K

 

 

 

DSUB_DET

 

D3623

 

 

5.6V

 

 

OPT

 

16 16

RGB_DEBUG

R3602

100

SOC_RX

RGB_DEBUG

R3647

100

SOC_TX

D3601

20V

OPT

+3.3V_NORMAL

SPDIF OUT

 

 

 

 

 

 

R3620

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.7K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R3615

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPDIF_OUT

 

 

 

 

 

 

 

D3613

 

 

 

 

 

 

C3615

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.5V

 

 

 

 

 

 

0.1uF

 

 

 

 

 

 

 

 

 

 

D3613-*1

ADUC 5S

02 0R5L

 

 

 

 

 

 

 

16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.5V

 

 

 

 

 

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADUC 5S 02 0R5L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ESD_MTK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC AUDIO

JK3601

KJA-PH-0-0177

 

 

5

GND

 

 

 

 

 

 

 

 

4

L

 

 

 

 

 

PC_L_IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

DETECT

 

D3611

 

 

 

 

 

 

 

 

 

 

 

5.6V

 

D3611-*1

 

 

 

 

1

R

 

OPT

 

ESD_MTK

 

 

 

 

 

 

 

5.6V

 

 

 

 

 

 

 

 

 

 

 

 

PC_R_IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D3612

 

D3612-*1

 

 

 

 

 

 

 

 

 

5.6V

 

ESD_MTK

 

 

 

 

 

 

 

 

 

OPT

 

 

 

 

 

 

 

 

 

 

 

 

5.6V

 

 

JK3602

2F11TC1-EM52-4F

VIN

A

Optic

VCC

B

GND

C

Fiber

 

 

4

SHIELD

THE Manual background 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 Manual background SYMBOL MARK OF THE SCHEMETIC.

JACK HIGH / MID
2011.11.21

36

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

LGE Internal Use Only

Only for training and service purposes

 

Page 28 Page 30
Image 29
Page 28 Page 30
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 country4.12. GND and Internal Pressure check 6. USB S/W DownloadService only5. Audio 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 12.5TGASKITSMDUSB3 SMD Gaskit12.5TGASKITSMDUSB1 PLACE AT IC6000 PLACE AT JACK SIDEPLACE AT MAIN SOC SIDE IC703 IC701 H5TQ2G63BFR-PBCH5TQ2G63BFR-PBC IC105 LGE2112LGE Internal Use Only 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 MTKCOMPONENT 1 PHONE JACK RS232CCVBS 1 PHONE JACK Zener Diode is IR & KEYclose to wafer RGB Sensor+5VUSB FOR USB1 USBWIFIUSB1 USB2 MAX 1.5A2011.10.26 Full Scart18 Pin GenderSCART GENDER 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 2011.08.11L/DIMOUT LOCAL DIMMINGAR7600 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 guideMerits EPIEmbedded Point-Point Interface FeaturesEPI Interface 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 IC6100R0 옴 GP4 Backend block diagram EPI & T-conR 47옴 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 VoltageSpec 내용 Power LED Scenario2012Y IR + Soft Touch LED Lighting Scenario Touch Key Threshold Level Ta = 25ºC Introductions of GP4 Sensor Touch ICManual of Touch Sensitivity 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 FunctionDescription 5. RF Pairing / Un-pairing MethodMethod 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?S/W Version Check RF Signal levelCheck 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 problemaccordance Recognition errorExternal Input and Identify nose type F. Exterior defect Adjust VCOMError symptom ALL MODELS Standard Repair Process Detail Technical ManualSMAW200-H24S YEONHO 24 Pin Power Board ↔ Main BoardEdge LED 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 Edge LED Edge LED When st-by, only 3.5V is normally onFor ’10 models, there is no voltage out for st-by purpose 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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