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LG Electronics 32LA62**-Z* service manual MAX 0.4A, AR4100, 1/16W, Mremote, LGE Internal Use Only

Models: 32LA62**-Z*

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Page 35

MAX 0.4A

+3.5V_ST

					+3.5V_ST_WAKE
	L4111
MAX 0.4A	BLM18PG121SN1D
MAX 0.4A
		WIFI
					+3.3V_NORMAL
	120-ohm L4112

R4117

10K

5%

R4113

100

KEY1

R4114

100

KEY2

R4118

10K

5%

D4101

5.6V

C4100

C4102

AMOTECH

CO., LTD.

OPT

0.1uF

0.1uF

D4100

5.6V

+3.5V_ST

AMOTECH CO.,

LTD.

L4100

OPT

BLM18PG121SN1D

P41012

12507WR-08L10

GND

1

KEY1

2

KEY2

3

+3.5V_ST

4

BLM18PG121SN1D

C4113

C4112

C4111

OPT

C4110

10uF

10uF

0.1uF

0.1uF

16V

10V

10V

16V

WIFI

WIFI

WIFI

For EMI

OPT

M_REMOTE&WIFI_WAFER

P4100

SMAW200-H12S2

+3.3V_NORMAL

L4113

120-ohm

1

M_REMOTE

C4121

0.1uF

C4104	LED_R	R4125			10K
1000pF	LED_R	LED_R
50V		LED_R

Place Near Micom

+3.5V_ST

GND

5

LOGO/LED_R

6

IR

7

	2	M_REMOTE
	3	WIFI_DM
		WIFI_DM
			R4135	AR4100
	4		100
	4	M_REMOTE	RTS
		M_REMOTE	RTS

10K

R4131

GND

R4133 OPT

R4137

8

LOGO_LIGHT

22

NON_EYE_Q_8P

100

9

LOGO_LIGHT

C

EYE_SCL

9

LOGO_LIGHT

B

EYE_Q_10P

D4105

ADMC

5M

02

200L

10

LIGHTLOGO R4132 10K

LIGHTLOGO

1K

Q4100

R4138

OPT

R4134

E

100

EYE_

Q_10P

C4120

LOGO_LIGHT MMBT3904(NXP)

EYE_SDA

11

0.1uF

16V

EYE_Q_10P D4106

ADMC

5M

02

200L

+3.5V_ST

OPT

R4107

10K

IR

C4107

D4104

OPT

100pF

5.6V

AMOTECH

CO., LTD.

50V

	C4125	M_REMOTE				100
	1000pF					100
5	50V					1/16W
5	WIFI_DP
	WIFI_DP

6						M_REMOTE_RX
7						M_REMOTE_TX
8						M_RFModule_RESET
8
						CTS
9
		M_REMOTE M_REMOTE		OPT	OPT
		M_REMOTE M_REMOTE		OPT
		C4122	C4123	C4124	C4126	M_REMOTE
10		47pF	47pF	47pF	47pF	M_REMOTE
		50V	50V	50V	50V

11

12

13

OPT

WOL/ETH_POWER_ON

22

R4130

WIFI

WOL/WIFI_POWER_ON

22

R4136

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.

IR / KEY

2011.11.21

41

Copyright © 2013 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 35

LG Electronics 32LA62**-Z* MAX 0.4A, AR4100, 1/16W, Mremote, Copyright 2013 LG Electronics. Inc. All rights reserved

Contents

LED TV MODEL 32LA62** 32LA62**-ZSERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALSERVICING PRECAUTIONS CONTENTSCONTENTS SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSRemoval IC Remove/ReplacementReplacement Small-Signal Discrete Transistor Removal/Replacement3. Test method SPECIFICATION4. Model General Specification 1. Application rangeDVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s SpecificationSymbolrate 4.0Msymbols/s to 7.2Msymbols/s symbolrate5. Component Video Input Y, Pb, Pr 6.2. PC mode 6. HDMI Input 6.1. DTV modeLG Electronics. Inc. All rights reserved Only for training and service purposes7.1. HDMI 1.4b 3D supported mode automatically Copyright7.5. USB Input 3D supported mode manually 7.2. HDMI Input1.37.3. RF Input3D supported mode manually 7.4. RF Input 3D supported mode automatically7.9. 3D Input mode 7.6. HDMI-PC Input 3D supported mode manually7.7. DLNA Input 3D supported mode manually 7.8. Component Input3D 3D supported mode manually2. Designation ADJUSTMENT INSTRUCTION3. Automatic Adjustment 1. Application Range3.5. CI+ Key checking method 3.3. LAN PORT INSPECTIONPING TESTSET PC 3.4. Model name & Serial number Download4.1. EDID DATA 4. Manual Adjustment3.6. WIFI MAC ADDRESS CHECK 4.2.1. Overview 4.2. White Balance Adjustment4.2.4. Adj. Command Protocol 4.1.2. 2D EDID4.2.7. ALELF & EDGE LED White balance table 4.2.5. Adj. method4.2.6. Reference White balance Adj. coordinate and color temperature 4.5. 3D function test 4.4. Magic Motion Remote control test4.6. Wi-Fi Test 4.3. Local Dimming Function Check8. Audio 7. GND and Internal Pressure check5. Tool Option selection 6. Ship-out mode checkIn-stopAfter downloading, have to adjust Tool Option again 9. USB S/W DownloadService onlyreserved DIAGRAMBLOCK LGE2122EXPLODED VIEW Model Option EAX64797001* LD33B EAX64872101* LA33BNVRAM X-TALLGE Internal Use Only Only for training and service purposesPLACE AT JACK SIDE Copyright 2013 LG Electronics. Inc. All rights reservedZD500 Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes PLACE AT JACK SIDEPLACE AT MAIN SOC SIDE PLACE AT IC6000DDR512MBSS Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyLGE Internal Use Only Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved +5VNormal PANELPOWERPowerDET FROM LPB & PSUGP4 High/MID Power SEQUENCE Renesas MICOMFor Debug MICOM MODEL OPTIONSIDE Only for training and service purposesSIDE HDMI3Copyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesSPDIF SPDIF OUTJACKCOMMON Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesAV/COMPONENT REAR UART FOR DEBUGAR4100 MAX 0.4AOnly for training and service purposes MREMOTE&WIFIWAFEROnly for training and service purposes OCP USB2/3USB2 MAX 1.5A USB3 MAX 1.5AIC4500 USB1OCP USB1 MAX 1.5ALGE Internal Use Only Only for training and service purposesFull Scart18 Pin Gender Copyright 2013 LG Electronics. Inc. All rights reservedLGE Internal Use Only Only for training and service purposesEthernet Block Copyright 2013 LG Electronics. Inc. All rights reservedCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposes0x54 AMPMUTEPWRDETLGE Internal Use Only Only for training and service purposesSCART AUDIO MUTE Copyright 2013 LG Electronics. Inc. All rights reserved2011.09.29 EARPHONE AMP 18pFOnly for training and service purposes HEADPHONE AMPLGE Internal Use Only Only for training and service purposesCI POWER ENABLE CONTROL Copyright 2013 LG Electronics. Inc. All rights reservedLGE Internal Use Only B-CAS SMART CARD INTERFACEOnly for training and service purposes Copyright 2013 LG Electronics. Inc. All rights reservedLGE Internal Use Only Only for training and service purposesVout=0.6*1+R1/R2 Copyright 2013 LG Electronics. Inc. All rights reservedTU6602 Only for training and service purposesTU6600 TU6601JP6801 RS-232C Control INTERFACEJP6800 Input trace widths should be sized to conduct at least 3A DVB-S2 LNB Part AllegroOptionLNB Only for training and service purposes41Pin LVDS OUTPUT Connector LVDSOnly for training and service purposes 51Pin LVDS OUTPUT ConnectorLGE Internal Use Only LOCAL DIMMINGOnly for training and service purposes Copyright 2013 LG Electronics. Inc. All rights reservedOnly for training and service purposes POWER BLOCKTHIS IS REVERSE PATTERN LEVEL SHIFTER BLOCKLGE Internal Use Only Only for training and service purposesT-Con Copyright 2013 LG Electronics. Inc. All rights reservedJust Interal LDO Capacitor Don’t Connect Power At VDDIeMMC I/F Only for training and service purposes+24VAMP OPT C5450 10uF 35V Only for training and service purposesCopyright 2013 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyDEMODTSCLK ExtTSCLK DEMODTSSYNC ExtTSSync DEMODTSDATA0 ExtTsD0 JAPAN TUNER INTERFACEOnly for training and service purposes USE Two serial TS Port for Japan MTK A2 Ball Name FunctionPage 2013 LED/LCD TV Engineering guide Applicable Model Mid-end Platform XXLA74*-Z XXLA71*-Z XXLA69/66*-ZXXLA64/62/61*-Z XXLN57*-Z Only for training and service purposes4. Structure of TV set and connection of sub ass’ys 5. New sub ass’ys CONTENT1. New features 2. Main PCBs 3. Block Diagrams, IIC Map Instruction of new sub ass’ys 6. Adjust way of new featuresMerits EPIEmbedded Point-Point Interface FeaturesEPI Interface Comparison EPI Interface mini-LVDS vs. EPIHF mini-LVDS TCON EPI TCONTopology FeaturesEPI Interface mini-LVDS vs. EPI HF mini-LVDSFrom TV to Smart phone NFC Near field communicationUser Action Area NFC TagxxLA660S-Zx Main PCB for BroadbandWIFI/BT Only for training and service purposes1. LGE2122 Block Diagram 2. LGE 2122 I2C Block Diagram IC105 LGE3.5V 3. Power Block DiagramCopyright 2013 LG Electronics. Inc. All rights reserved Only for training and service purposesCI Slot TDSQ G501DSoC Side 5. Video/Audio In Block DiagramOnly for training and service purposes Jack SideLGE Internal Use Only 6. Audio Out Block DiagramOnly for training and service purposes Copyright 2013 LG Electronics. Inc. All rights reservedHDMI3 Only for training and service purposesHDMI1 HDMI2TPS65178 Only for training and service purposesPMIC Level ShiftTPS65178 9. PMIC & Level Shift Bloc DiagramPMIC Level ShiftRENESAS MICOM Only for training and service purposesMotion Remote Receiver 4Pin debugging wafer47LA660S-ZA InterconnectionPCBs CablesCables Only for training and service purposesInterconnection PCBsOnly for training and service purposes Introductions of 13Y RF ass’y + Magic Remote control1. System 2. Remote Buttons 3. MR13 Block Diagram 4. Function List 5. Pairing/Un-pairing Method Motion Data Transmission 1. System Pairing Information Transmission Send to TV after Paired Pairing Information Transmission Sequencerepeat 2. Remote Buttons M4 vs. MR13M4 Remote MR13 RemoteBluetooth Receiver 3. MR13 Block DiagramPower Management Bluetooth Remote controlRF, Gyro, Accelerometer Power Supply 4. Function listWireless communication Battery Boost up RegulatorDescription 5. RF Pairing / Un-pairing MethodMethod Copyright 2013 LG Electronics. Inc. All rights reserved Introductions of 13Y WIFI built in ass’y1. Wi-Fi built in Ass’y feature 2. Wi-Fi built in Ass’y specification Only for training and service purposesSwitch WIFI Built in ass’y featurePin map SwitchLGE Internal Use Only WIFI Built in ass’y SpecificationOnly for training and service purposes Copyright 2013 LG Electronics. Inc. All rights reservedOnly for training and service purposes Widevine & HDCP 2.0 & NETFLX1. Widevine? 2. HDCP 2.0 & NETFLIX? 3. DTCP? 4. Changed BOM Contents1. Widevine?  HDCP 2. HDCP 2.0 & NETFLIX? Netflix  Why HDCP2.0?3. DTCP? Changed Item 4. Changed BOMAs-Was CurrentContents of LCD TV Standard Repair Process Page Contents of LCD TV Standard Repair Process Detail Technical ManualError symptom ContentReplace T-con Board or module And Adjust VCOM Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D CableCheck Power Board 24v output Check Power Board 12v,3.5v etcCopyright 2013 LG Electronics. Inc. All rights reserved Check various voltages of Power BoardOnly for training and service purposes 3.5V,12V,20V or 24V…Check RF Signal level By using Digital signal level meter By using Diagnostics menu on OSDMenu→ Set up→ Support → Signal Test Signal strength Normal over 50% Signal Quality Normal over 50%→ Set-Top-Box, Different maker TV etc A. Picture Problem DVB-S/S2Check RF Signal level LCD TVreplace Link A10/ A11Check color by input -External Input COMPONENT ※ Check andA10/ A11 External device screen error-Color errorVertical/Horizontal bar, residual image, light spot Replace Main B/D adjust VCOMCheck ST-BY Check Power LEDCheck Power On ‘”High” Measure voltage of each output of Power B/DPOWEROFFCPUABNORMAL Check Power Off ModeIf Power Off mode is not displayed Check Power B/D voltage POWEROFFABNORMAL1Check user menu Speaker off Check audio B+ 24V of Power BoardCheck audio B+ Voltage In case of External Input signal error Check and fix external devicePower B/D don’t have problem Check & Repair Cable connection Connector solderCheck IR Output signal Check 3.5v on Power B/D Replace Power B/D or Replace Main B/DExternal device recognition error D. Function errorError symptomIdentify noise type LCD TV Adjust VCOMF. Exterior defect Check S/W Version G. Network ErrorLCD TV  Check SVC Bulletin Check defect CI slot pinContinued from previous page Contents of LCD TV Standard Repair Process Detail Technical ManualError symptom ContentEntry method Standard Repair Process Detail Technical ManualALL MODELS SMAW200-H24S 24 Pin Power Board ↔ Main BoardStandard Repair Process Detail Technical Manual Check the DC 24V, 12VOnly for training and service purposes A. Video errorVideo error, video lag/stopMENU  support  signal test  select channel When the signal is strong, use the attenuator -10dB, -15dB, -20dB etcOnly for training and service purposes A. Video errorVideo error, video lag/stop1. Checking method for remote controller for adjustment Press the IN-START with the remote controller for adjustmentimage, light spot A. Video error Vertical/Horizontal bar, residualOnly for training and service purposes Standard Repair Process Detail Technical ManualChecking method A. Video errorVideo error, video lag/stopStandard Repair Process Detail Technical Manual ALL MODELS4.Video error Classification of MODULE or Main-B/D A. Video errorColor errorYou can view 6 types of patterns using the ADJ Key MODULE error ADD-BAR,SCAN BAROnly for training and service purposes Appendix Exchange EPI Cable or Main B/DAbnormal Power Section Abnormal Power SectionOnly for training and service purposes Abnormal Power SectionAbnormal Power Section Fuse Open, Abnormal power sectionDim Light Appendix Exchange LPBLED driverOnly for training and service purposes No LightPanel Mura, Light leakage Appendix Exchange the ModuleUn-repairable Cases In this case please exchange the module Panel Mura, Light leakage Crosstalk Press damageUn-repairable Cases In this case please exchange the module Appendix Exchange the ModuleFront LOGO LED control in the status of ST-BY Condition Standard Repair Process Detail Technical ManualFor ’10 models, there is no voltage out for st-by purpose When st-by, only 3.5V is normally on24 Pin Power Board ↔ Main Board Standard Repair Process Detail Technical ManualStandard Repair Process Detail Technical Manual Check “power on” pin is high24 Pin Power Board ↔ Main Board Checking method when power is ONOnly for training and service purposes 1. Press the IN-START button of the remote controller for adjustment2. Check the entry into adjustment item B. Power error Off when on, off whiling viewingStandard Repair Process Detail Technical Manual C. Audio errorNo audio/Normal video1. Press the MENU button on the remote controller Only for training and service purposesStandard Repair Process Detail Technical Manual C. Audio errorNo audio/Normal video24 Pin Power Board ↔ Main Board Checking order when there is no audioALL MODELS Standard Repair Process Detail Technical Manual③ ④ ② ① LCD module change T-Con board change Standard Repair Process Detail Technical Manual