LG Electronics 32LM640S/640T-ZA SMD Gaskit, LGE Internal Use Only, 12.5TGASKITSMDUSB1

Page 22
SMD Gaskit

+3.3V_NORMAL VDD3V3

60mA

L500

BLM18PG121SN1D

C500

 

C503

C510

C504

10uF

10uF

0.1uF

2.2uF

 

 

 

 

 

 

 

 

 

 

VDD3V3

AVDD_33SB

L501

BLM18PG121SN1D

C501

12.5TGASKITSMDUSB10.1uF

POWER_ON/OFF1

12.5TGASKITSMDUSB3 TP500

+3.3V_NORMAL

3.3V_EMMC

+3.3V_NORMAL EMMC_VCCQ

L504

 

L506

BLM18PG121SN1D

BLM18PG121SN1D

 

C512

C522

 

0.1uF

0.1uF

 

16V

16V

+1.2V_MTK_CORE

5600mA

 

 

 

 

 

 

 

 

 

 

 

 

 

C535

 

 

 

 

 

 

 

 

 

 

 

 

 

C524

 

C506

 

C505

 

C529

C532

 

 

 

10uF

 

10uF

 

10uF

 

0.1uF

0.1uF

 

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+1.2V_MTK_CORE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C539

C543

 

C546

C548

C550

C552

C553

 

10uF

0.1uF

 

0.1uF

0.1uF

0.1uF

0.1uF

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+1.2V_MTK_CORE+1.2V_MTK_AVDD

L502

BLM18PG121SN1D

C525 C502

Manual background10uF Manual background0.1uF

+5V_NORMAL

DAC_3V3

IC501

AP1117E33G-13

INADJ/GND

OUT

C526

10uF

10V

R500

1

C540 C544

10uF 0.1uF

10V 16V

LAN_JACK_POWER

Manual backgroundManual background TP501

SMD Gaskit

 

GASKITSMD 8.5T LAN

 

M500

 

MDS62110209

 

 

GASKITSMD 8.5T RGB

M501

 

MDS62110209

GASKITSMD 8.5T COMP

M502

MDS62110209

 

 

 

 

 

 

 

 

 

LAN

 

 

 

 

 

RGB

 

 

COMP

 

 

 

 

12.5TGASKITSMDHDMI2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.5TGASKITSMDHDMI1

 

 

 

M503

MDS62110217

 

12.5TGASKITSMDUSB1

 

M504

MDS62110217

 

 

 

12.5TGASKITSMDUSB3

M505

MDS62110217

 

M506

MDS62110217

 

 

 

 

 

 

 

HDMI1~2

HDMI2~3

USB1~2

 

 

USB3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC105

LGE2112

+1.2V_MTK_CORE

 

 

 

+1.2V_MTK_CORE

AR7

 

AC22

 

 

 

VCCK_43

VCCK_31

AC23

 

 

AT7

 

 

 

 

VCCK_45

VCCK_32

AD24

 

 

AU7

 

 

 

 

VCCK_47

VCCK_36

P23

 

 

AP8

 

 

 

 

VCCK_42

VCCK_8

R24

 

 

AR8

 

 

 

 

VCCK_44

VCCK_10

T24

 

 

AT8

 

 

 

 

VCCK_46

VCCK_12

AC24

 

 

AU8

 

 

 

 

VCCK_48

VCCK_33

AC21

 

 

AM7

 

 

 

 

VCCK_37

VCCK_30

P20

 

 

AN7

 

 

 

 

VCCK_39

VCCK_7

AC20

 

 

AP7

 

 

 

 

VCCK_41

VCCK_29

P19

 

 

AM8

 

 

 

 

VCCK_38

VCCK_6

AC18

 

 

AN8

 

 

 

 

VCCK_40

VCCK_27

P18

 

 

P14

 

 

 

 

VCCK_1

VCCK_5

AC17

 

 

R14

 

 

 

 

VCCK_9

VCCK_26

P17

 

 

T14

 

 

 

 

VCCK_11

VCCK_4

AD18

 

 

U14

 

 

 

 

VCCK_13

VCCK_34

AD23

 

 

V14

 

 

 

 

VCCK_14

VCCK_35

 

 

 

W14

 

 

 

 

 

VCCK_16

 

 

VDD3V3

Y14

 

 

 

 

 

VCCK_18

 

 

 

 

AA14

 

 

 

 

 

VCCK_20

 

AL9

 

AB14

 

 

 

VCCK_22

VCC3IO_B_4

AK10

 

AC14

 

 

 

VCCK_23

VCC3IO_B_2

AK9

 

AC19

 

 

 

VCCK_28

VCC3IO_B_1

AK11

 

P15

 

 

 

VCCK_2

VCC3IO_B_3

H29

 

AC15

 

 

 

VCCK_24

VCC3IO_A_5

J29

 

P16

 

 

 

VCCK_3

VCC3IO_A_7

H30

 

AC16

 

 

 

VCCK_25

VCC3IO_A_6

J30

 

V23

 

 

 

VCCK_15

VCC3IO_A_8

G31

 

W23

 

 

 

VCCK_17

VCC3IO_A_3

G32

 

Y23

 

 

 

VCCK_19

VCC3IO_A_4

F33

 

AA23

 

 

 

VCCK_21

VCC3IO_A_2

E34

 

 

 

VCC3IO_A_1

 

 

 

 

 

DECAP FOR SOC (HIDDEN - UCC)

+1.2V_MTK_CORE

 

 

 

 

 

C514

C520

C527

 

0.1uF

0.1uF

0.1uF

 

 

 

 

 

 

 

 

+1.5V_DDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C508

C523

 

 

 

0.1uF

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC105

LGE2112

R2

 

R6

 

DVSS_51

DVSS_55

R20

R3

 

 

DVSS_52

DVSS_62

T20

J4

 

 

DVSS_37

DVSS_73

U20

R4

 

 

DVSS_53

DVSS_83

V20

Y4

 

 

DVSS_107

DVSS_92

W20

F5

 

 

DVSS_20

DVSS_104

Y20

J5

 

 

DVSS_38

DVSS_117

AA20

R5

 

 

DVSS_54

DVSS_127

AB20

Y5

 

 

DVSS_108

DVSS_137

G16

W5

 

 

DVSS_95

DVSS_29

R21

L7

 

 

DVSS_44

DVSS_63

T21

M7

 

 

DVSS_46

DVSS_74

U21

R7

 

 

DVSS_56

DVSS_84

V21

AA5

 

 

DVSS_120

DVSS_93

W21

AB5

 

 

DVSS_130

DVSS_105

Y21

K7

 

 

DVSS_43

DVSS_118

AA21

U7

 

 

DVSS_77

DVSS_128

AB21

W7

 

 

DVSS_97

DVSS_138

R22

E9

 

 

DVSS_13

DVSS_64

T22

E8

 

 

DVSS_12

DVSS_75

U22

F9

 

 

DVSS_22

DVSS_85

V22

G14

 

 

DVSS_28

DVSS_94

W22

J6

 

 

DVSS_39

DVSS_106

Y22

R15

 

 

DVSS_57

DVSS_119

AA22

T15

 

 

DVSS_68

DVSS_129

AB22

U15

 

 

DVSS_78

DVSS_139

R23

V15

 

 

DVSS_87

DVSS_65

T23

W15

 

 

DVSS_99

DVSS_76

U23

Y15

 

 

DVSS_112

DVSS_86

AB23

AA15

 

 

DVSS_122

DVSS_140

W6

AB15

 

 

DVSS_132

DVSS_96

G17

H11

 

 

DVSS_34

DVSS_30

F25

R16

 

 

DVSS_58

DVSS_27

Y6

T16

 

 

DVSS_69

DVSS_109

E21

U16

 

 

DVSS_79

DVSS_17

F21

V16

 

 

DVSS_88

DVSS_25

L8

W16

 

 

DVSS_100

DVSS_45

T7

Y16

 

 

DVSS_113

DVSS_66

D11

AA16

 

 

DVSS_123

DVSS_7

E11

AB16

 

 

DVSS_133

DVSS_14

D12

R17

 

 

DVSS_59

DVSS_8

E22

T17

 

 

DVSS_70

DVSS_18

F22

U17

 

 

DVSS_80

DVSS_26

G25

V17

 

 

DVSS_89

DVSS_33

AB19

Y17

 

 

DVSS_114

DVSS_136

AA19

T18

 

 

DVSS_71

DVSS_126

P22

V18

 

 

DVSS_90

DVSS_49

W19

Y18

 

 

DVSS_115

DVSS_103

U19

T19

 

 

DVSS_72

DVSS_82

R19

V19

 

 

DVSS_91

DVSS_61

Y7

Y19

 

 

DVSS_116

DVSS_110

AB18

W17

 

 

DVSS_101

DVSS_135

AA18

AA17

 

 

DVSS_124

DVSS_125

W18

AB17

 

 

DVSS_134

DVSS_102

U18

R18

 

 

DVSS_60

DVSS_81

AA7

AB6

 

 

DVSS_131

DVSS_121

N22

H19

 

 

DVSS_35

DVSS_47

T8

H22

 

 

DVSS_36

DVSS_67

W8

J11

 

 

DVSS_40

DVSS_98

Y8

J12

 

 

DVSS_41

DVSS_111

E7

J22

 

 

DVSS_42

DVSS_11

F8

 

 

DVSS_21

 

 

 

 

 

 

 

DECAP FOR SOC (BOTTOM)

+1.2V_MTK_CORE

 

 

 

C531

C537

C545

0.1uF

0.1uF

0.1uF

 

 

 

 

 

 

+1.5V_DDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C533

 

C536

C547

 

 

 

0.1uF

 

0.1uF

0.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

MID_MAIN_3

2011.12.09

10

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

LGE Internal Use Only

Only for training and service purposes

 

Page 21 Page 23
Image 22
Page 21 Page 23
Contents SERVICE MANUAL MODEL 32LM640S/640T32LM640S/640T-ZA LED LCD TVCopyright CONTENTSOnly for training and service purposes LG Electronics. Inc. All rights reservedBefore returning the receiver to the customer SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE Leakage Current Cold CheckAntenna Cold CheckSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Removal1. Application range SPECIFICATION4. Model General Specification 2. Requirement for Testsymbolrate Symbolrate4.0Msymbols/s to 7.2Msymbols/s DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s5. Component Video Input Y, Cb/Pb, Cr/Pr 6. RGB input PC7. HDMI Input 7.1. DTV mode 7.2. PC mode1. Application Range ADJUSTMENT INSTRUCTION3. Automatic Adjustment 2. DesignationSET PC 3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L3.4. LAN PORT INSPECTIONPING TEST 3.3. LAN3.6. CI+ Key checking method 3.7. WIFI MAC ADDRESS CHECK3.5. Model name & Serial number Download 3.5.1. Model name & Serial number D/L4.1.2. Equipment 4. Manual Adjustment4.1.1. Overview 4.1.3. Download method4.2.1. Overview 4.2. White Balance Adjustment4.2.4. Adj. Command Protocol 4.2.2. Equipment4.4. Local Dimming Function Check 4.5. Magic Motion Remote control test4.3. EYE-Q function check 4.2.7. LED White balance table4.8. LNB voltage and 22KHz tone check 4.7. Wi-Fi Test4.6. 3D function test 4.9. Option selection per country5. Audio 6. USB S/W DownloadService only4.12. GND and Internal Pressure check Rear BLOCK DIAGRAMSide HDMIEXPLODED VIEW IMPORTANT SAFETY NOTICEX-TAL EAX6430790* LD22* / LC22 EAX6443420* LT22* / LJ22* / LA22* / LB22NVRAM 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 H5TQ2G63BFR-PBC IC701 H5TQ2G63BFR-PBCIC703 IC105 LGE2112Copyright 2012 LG Electronics. Inc. All rights reserved PANELPOWER FROM LIPS & POWER B/DPowerDET On-semiMICOM MODEL OPTION Renesas MICOMFor Debug Eye Sensor OptionHDMI4 HDMI1UI HDMI3 UI HDMI2PC AUDIO RGB/ PC AUDIO/ SPDIFSPDIF OUT JK3603 SLIM-15F-D-2ESD for MTK JACKCOMMONCVBS 1 PHONE JACK RS232CCOMPONENT 1 PHONE JACK close to wafer IR & KEYZener Diode is RGB SensorUSB1 USBWIFI+5VUSB FOR USB1 USB2 MAX 1.5ASCART GENDER Full Scart18 Pin Gender2011.10.26 AR4800 ZigBeeRadio Pulse MREMOTE OPTIONALL MREMOTE OPTION 1/16WEthernet Block GP4MT5369 IC5800STA380BW 2011.11.21IC6000 SCART AUDIO MUTEAUDOUT EU/CHINAHOTELOPT A Z4580MTR-E1EARPHONE AMP HEADPHONE AMPOption FOR MTK Option FOR LG1152TU6500 T/C/S & H/NIM & T2/C TUNEREU & CHINAVout=0.6*1+R1/R2 TU6501DCDCGND and AGND are connected OptionLNBDVB-S2 LNB Part Allegro DCDCGND and AGND are connected in pin#27FOR COMMERCIAL AUDIO OUT OPTCOMMEREXTAMP AUDIO OUT JACK OPTCOMMEREXTAMP COMMEREXTAMPJACKFOR COMMERCIAL 12V OUT RS-232C 9 PIN OPTCOMMEREXT12V COMMERCIALOPTIONLVDSHIGHMID LVDS51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT Connector 2011.08.11AR7600 LOCAL DIMMINGL/DIMOUT LEVEL SHIFTER BLOCK POWER BLOCKTHIS IS REVERSE PATTERN T-ConHYNIXEMMC2GB Don’t Connect Power At VDDIeMMC I/F Just Interal LDO CapacitorPlace Near Micom LOGOLIGHT R8901 10KPage Applicable Model XXLM760S-ZB 2012 LED/LCD TV Engineering guideInstruction of new sub ass’ys How to use tool Download CONTENTNew features Main PCBs Block Diagrams, IIC Map Adjust way of new features widevine… Repair guideEPI Interface EPIEmbedded Point-Point Interface FeaturesMerits Comparison EPI Interface mini-LVDS vs. EPIHF mini-LVDS TCON What to changeHF mini-LVDS xxLM760S-ZB Main PCB for BroadbandWIFI Chassis LD22E PCB P/No EAX64307905Side MTK5369 Block Diagram LM76Power load RearFull Scart18 Pin Gender Jack InterfaceMain SoC MTK IC6100R 47옴 GP4 Backend block diagram EPI & T-conR0 옴 EPI CH4/5/6 GP4 Backend block diagram EPI & T-ConEPI CH1/2/3 50PinDual-link LVDS Output GP4 Backend block diagram LVDS Tx & Local DimmingLVDS Tx Block LVDSSEL “H”=JEIDA, “L” or NC=VESA LGDCables InterconnectionPCBs xxLM760S-ZA2012Y IR + Soft touch PCB Pinmap Circuit Block DiagramAss’y Picture Pin Configuration 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 Touch EEPROM Register change with USB port Addr ValueIntroductions of 12Y RF ass’y + Magic Remote control Pairing Information Transmission Sequence 1. System™ Pairing Information Transmission Send to TV after Paired ™ Motion Data Transmissionhome powermute ← ok →Power Management 3. M4 Block DiagramAA x 2 Battery ConnectorManufacturer 4. Function list주요 Item FunctionMethod 5. RF Pairing / Un-pairing MethodDescription Introductions of 12Y WIFI built in ass’y Pin map WIFI Built in ass’y featureLGITBlock diagram WIFI built in featureWIFI Built in Block-diagramArcadyan WIFI Built in ass’y Specification 12Y Widevine & HDCP 2.0 & NETFLX 1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM1. Widevine? ‰ Why HDCP2.0? 2. HDCP 2.0 & NETFLIX?‰ Netflix ‰ HDCP3. DTCP? Current 4. Changed BOMAs-Was Æ 추가Copyright 2012 LG Electronics. Inc. All rights reserved Contents of LCD TV Standard Repair Process Content Contents of LCD TV Standard Repair Process Detail Technical ManualError symptom PageCheck Power Board 12v,3.5v etc Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D CableA2 Check Power Board 24v output Replace T-con Board or module And Adjust VCOM3.5V,12V,20V or 24V… Check various voltages of Power BoardRevised date Normal Y voltage?Check Check RF Signal levelS/W Version Check S/W Version Check color by input -External Input COMPONENT -RGB Color error?A10/ A11 ※ Check andReplace Main B/D adjust VCOM External device screen error-Color errorVertical/Horizontal bar, residual image, light spot External Input error Component error RGB error HDMI DVICheck Power On ‘”High” Check Power LEDPower LED Y On? Measure voltage of each output of Power B/DIf Power Off mode is not displayed Check Power B/D voltage Error?Check Power Off Mode Power off ListCheck audio B+ of Power BoardCheck user menu Speaker off NormalIn case of External Input signal error Check and fix external device Check audio B+ VoltageCheck 3.5v on Power B/D Replace Power B/D or Replace Main B/D Check & Repair Cable connection Connector solderCheck IR Output signal Power B/D don’t have problemExternal Input and Recognition erroraccordance Identify nose type Adjust VCOM F. Exterior defectContent Standard Repair Process Detail Technical Manual ALL MODELSEdge LED 24 Pin Power Board ↔ Main BoardSMAW200-H24S YEONHO ALL MODELS 1. Checking method for remote controller for adjustment ALL MODELS Checking method date Appendix Exchange T-Con Board GRADATION Fuse Open, Abnormal power sectionAbnormal Display NoiseDim Light Appendix Exchange PSULED driverNo Light No picture/Sound OkAppendix Exchange the Module Un-repairable Cases In this case please exchange the moduleAppendix Exchange the Module Un-repairable Cases In this case please exchange the moduledate 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 ALL MODELS Only for training and service purposesStandard Repair Process Detail Technical Manual dateStandard Repair Process Detail Technical Manual ALL MODELSStandard Repair Process Detail Technical Manual LCD module change T-Con board change
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