Ir & Key, Zener Diode is | LG Electronics 32LM640S/640T-ZA specification

IR & KEY

IR & KEY

+3.5V_ST

RGB Sensor

EEPROM_SCL

R4123

100

R4117

R4118

10K

10K

D4105

5%

5%

ADUC 20S

02 010L

20V

COMMERCIAL+3.5V_ST

R4113

OPT

100

KEY1

R4124

EEPROM_SDA

R4114

100

D4101

COMMERCIAL_IR

+3.5V_ST

100

R4101

5.6V

D4106

KEY2

AMOTECH

CO., LTD.

1K

C4100

ADUC

20S

02 010L

C4102

OPT

COMMERCIAL_IR

20V

0.1uF

0.1uF

R4103

+3.5V_ST

OPT

IR

D4100

3.3K

5.6V

Q4100 C

R4102

AMOTECH CO., LTD.

10K

R4107

IR_BYPASS

+3.5V_ST

OPT

MMBT3904(NXP)

B

E

10K

COMMERCIAL_IR

COMMERCIAL_IR

R4104

C

47K

L4100

B

BLM18PG121SN1D

Q4101 E

COMMERCIAL_IR

MMBT3904(NXP)

COMMERCIAL_IR

C4104

LED_B/GP4_LED_R

R4125

1.5K

1000pF

50V

R4100

0

IR_BYPASS

D4104

OPT

C4107

100pF

5.6V

COMMERCIAL

+3.5V_ST

50V

AMOTECH

CO.,

LTD.

COMMERCIAL_IR_EU

R4109

+3.5V_ST

1K

COMMERCIAL_IR

R4105

22

R4115

IR_OUT

3.3K

COMMERCIAL_IR

COMMERCIAL_IR_EU

Q4102 C

R4111

B

10K

MMBT3904(NXP)

COMMERCIAL_IR_EU

E

R4119

C

47K

MMBT3904(NXP)

B

Soft Touch Micom D/L

Q4104 E

COMMERCIAL_IR

COMMERCIAL_IR

R4108

Zener Diode is

0

close to wafer

COMMERCIAL_IR_US

GP4_IR_10P

P4102

12507WR-10L

1

2

3

4

5

6

7

8

9

10

11

ESD for MTK

D4105-*1

ADUC 20S 02 010L 20V 10pF

ESD_MTK
						D4106-*1
						ADUC	20S 02		010L
						20V	10pF
ESD_MTK
						D4100-*1
						5.6V		200pF
						ADMC		5M 02	200L
						ADMC		5M 02	200L
ESD_MTK
						D4101-*1
						5.6V		200pF
						ADMC		5M 02 200L
ESD_MTK
						D4104-*1
						D4104-*1
						5.6V		200pF
						5.6V		200pF
ESD_MTK							ADMC 5M		02 200L
ESD_MTK

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.

ESD for LG1152

D4100-*2
5.6V	200pF
ADMC	5M 02	200L
ESD_LG1152
D4101-*2
5.6V	200pF
ADMC	5M 02	200L
ESD_LG1152
D4104-*2
5.6V	200pF

ADMC 5M 02 200L

ESD_LG1152

IR / KEY

2011.11.21

41

Copyright © 2012 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 32

LG Electronics 32LM640S/640T-ZA Ir & Key, Zener Diode is, close to wafer, RGB Sensor, Soft Touch Micom D/L, ESD for MTK

Contents

MODEL 32LM640S/640T 32LM640S/640T-ZASERVICE MANUAL LED LCD TV CONTENTS Only for training and service purposesCopyright LG Electronics. Inc. All rights reserved SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICEBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold Check SERVICING PRECAUTIONS Electrostatically Sensitive ES Devices IC Remove/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal SPECIFICATION 4. Model General Specification1. Application range 2. Requirement for Test Symbolrate 4.0Msymbols/s to 7.2Msymbols/ssymbolrate DVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s 5. Component Video Input Y, Cb/Pb, Cr/Pr 6. RGB input PC 7. HDMI Input 7.1. DTV mode 7.2. PC mode ADJUSTMENT INSTRUCTION 3. Automatic Adjustment1. Application Range 2. Designation 3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L 3.4. LAN PORT INSPECTIONPING TESTSET PC 3.3. LAN 3.7. WIFI MAC ADDRESS CHECK 3.5. Model name & Serial number Download3.6. CI+ Key checking method 3.5.1. Model name & Serial number D/L 4. Manual Adjustment 4.1.1. Overview4.1.2. Equipment 4.1.3. Download method 4.2. White Balance Adjustment 4.2.4. Adj. Command Protocol4.2.1. Overview 4.2.2. Equipment 4.5. Magic Motion Remote control test 4.3. EYE-Q function check4.4. Local Dimming Function Check 4.2.7. LED White balance table 4.7. Wi-Fi Test 4.6. 3D function test4.8. LNB voltage and 22KHz tone check 4.9. Option selection per country 4.12. GND and Internal Pressure check 6. USB S/W DownloadService only5. Audio BLOCK DIAGRAM SideRear HDMI EXPLODED VIEW IMPORTANT SAFETY NOTICE EAX6430790* LD22* / LC22 EAX6443420* LT22* / LJ22* / LA22* / LB22 NVRAMX-TAL JTAG 10K PLACE 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 IC701 H5TQ2G63BFR-PBC IC703H5TQ2G63BFR-PBC IC105 LGE2112 LGE Internal Use Only FROM LIPS & POWER B/D PowerDETPANELPOWER On-semi Renesas MICOM For DebugMICOM MODEL OPTION Eye Sensor Option HDMI1 UI HDMI3HDMI4 UI HDMI2 RGB/ PC AUDIO/ SPDIF SPDIF OUTPC AUDIO JK3603 SLIM-15F-D-2 ESD for MTK JACKCOMMON COMPONENT 1 PHONE JACK RS232CCVBS 1 PHONE JACK IR & KEY Zener Diode isclose to wafer RGB Sensor USBWIFI +5VUSB FOR USB1USB1 USB2 MAX 1.5A 2011.10.26 Full Scart18 Pin GenderSCART GENDER ZigBeeRadio Pulse MREMOTE OPTION ALL MREMOTE OPTIONAR4800 1/16W Ethernet Block IC5800 STA380BWGP4MT5369 2011.11.21 SCART AUDIO MUTE AUDOUT EU/CHINAHOTELOPTIC6000 A Z4580MTR-E1 EARPHONE AMP HEADPHONE AMP Option FOR MTK Option FOR LG1152 T/C/S & H/NIM & T2/C TUNEREU & CHINA Vout=0.6*1+R1/R2TU6500 TU6501 OptionLNB DVB-S2 LNB Part AllegroDCDCGND and AGND are connected DCDCGND and AGND are connected in pin#27 AUDIO OUT JACK OPTCOMMEREXTAMP COMMEREXTAMPJACK FOR COMMERCIAL 12V OUT RS-232C 9 PIN OPTCOMMEREXT12VFOR COMMERCIAL AUDIO OUT OPTCOMMEREXTAMP COMMERCIALOPTION LVDS 51Pin LVDS OUTPUT Connector 41Pin LVDS OUTPUT ConnectorLVDSHIGHMID 2011.08.11 L/DIMOUT LOCAL DIMMINGAR7600 POWER BLOCK THIS IS REVERSE PATTERNLEVEL SHIFTER BLOCK T-Con Don’t Connect Power At VDDI eMMC I/FHYNIXEMMC2GB Just Interal LDO Capacitor Place Near Micom LOGOLIGHT R8901 10KPage Applicable Model XXLM760S-ZB 2012 LED/LCD TV Engineering guide CONTENT New features Main PCBs Block Diagrams, IIC MapInstruction of new sub ass’ys How to use tool Download Adjust way of new features widevine… Repair guide Merits EPIEmbedded Point-Point Interface FeaturesEPI Interface EPI Interface mini-LVDS vs. EPI HF mini-LVDS TCONComparison What to change HF mini-LVDS Main PCB for Broadband WIFIxxLM760S-ZB Chassis LD22E PCB P/No EAX64307905 MTK5369 Block Diagram LM76 Power loadSide Rear Jack Interface Main SoC MTKFull Scart18 Pin Gender IC6100 R0 옴 GP4 Backend block diagram EPI & T-conR 47옴 GP4 Backend block diagram EPI & T-Con EPI CH1/2/3EPI CH4/5/6 50Pin GP4 Backend block diagram LVDS Tx & Local Dimming LVDS Tx BlockDual-link LVDS Output LVDSSEL “H”=JEIDA, “L” or NC=VESA LGD Interconnection PCBsCables xxLM760S-ZA Circuit Block Diagram Ass’y Picture Pin Configuration2012Y IR + Soft touch PCB Pinmap KEY1, KEY2 Voltage Spec 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 Touch EEPROM Register change with USB port Addr Value Introductions of 12Y RF ass’y + Magic Remote control 1. System ™ Pairing Information Transmission Send to TV after PairedPairing Information Transmission Sequence ™ Motion Data Transmission power mutehome ← ok → 3. M4 Block Diagram AA x 2 BatteryPower Management Connector 4. Function list 주요 ItemManufacturer Function Description 5. RF Pairing / Un-pairing MethodMethod Introductions of 12Y WIFI built in ass’y WIFI Built in ass’y featureLGIT Block diagramPin map WIFI built in feature WIFI 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 BOM 1. Widevine? 2. HDCP 2.0 & NETFLIX? ‰ Netflix‰ Why HDCP2.0? ‰ HDCP 3. DTCP? 4. Changed BOM As-WasCurrent Æ 추가 Only for training and service purposes Contents of LCD TV Standard Repair Process Contents of LCD TV Standard Repair Process Detail Technical Manual Error symptomContent Page Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable A2 Check Power Board 24v outputCheck Power Board 12v,3.5v etc Replace T-con Board or module And Adjust VCOM Check various voltages of Power Board Revised date3.5V,12V,20V or 24V… Normal Y voltage? S/W Version Check RF Signal levelCheck Check S/W Version Color error? A10/ A11Check color by input -External Input COMPONENT -RGB ※ Check and External device screen error-Color error Vertical/Horizontal bar, residual image, light spotReplace Main B/D adjust VCOM External Input error Component error RGB error HDMI DVI Check Power LED Power LED Y On?Check Power On ‘”High” Measure voltage of each output of Power B/D Error? Check Power Off ModeIf Power Off mode is not displayed Check Power B/D voltage Power off List of Power Board Check user menu Speaker offCheck audio B+ Normal In case of External Input signal error Check and fix external device Check audio B+ Voltage Check & Repair Cable connection Connector solder Check IR Output signalCheck 3.5v on Power B/D Replace Power B/D or Replace Main B/D Power B/D don’t have problem accordance Recognition errorExternal Input and Identify nose type Adjust VCOM F. Exterior defect Contents of LCD TV Standard Repair Process Detail Technical Manual Standard Repair Process Detail Technical Manual ALL MODELS SMAW200-H24S YEONHO 24 Pin Power Board ↔ Main BoardEdge LED Only for training and service purposes 1. Checking method for remote controller for adjustment Only for training and service purposes Checking method Only for training and service purposes Appendix Exchange T-Con Board Fuse Open, Abnormal power section Abnormal DisplayGRADATION Noise Appendix Exchange PSULED driver No LightDim Light No picture/Sound Ok Appendix Exchange the Module Un-repairable Cases In this case please exchange the module Appendix Exchange the Module Un-repairable Cases In this case please exchange the module Only for training and service purposes 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 Only for training and service purposes Standard Repair Process Detail Technical ManualALL MODELS date Standard Repair Process Detail Technical Manual ALL MODELS Standard Repair Process Detail Technical Manual LCD module change T-Con board change