LG 32LN52 Series Скачать руководство пользователя страница 35

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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.

2013/04/17

MAIN2_EU_LN52

NC4_S7LRM

AVDD_AU33

MODEL_OPT_5

SCART1_Lout

C251

0.1uF

F_NIM/CHINA

C250

0.1uF

F_NIM/CHINA

MIUVDDC

AVDD2P5_MOD

IF_AGC_MAIN

HDMI_ARC

C287

100pF

OPT

L211

BLM18PG121SN1D

C212

0.047uF

C286
0.1uF

ESD_0.1uF

VDD33

L229

BLM18PG121SN1D

AUD_MASTER_CLK_0

C273
0.1uF

C266

0.1uF

R200

62K

R211

MODEL_OPT_AJ

R257

C231

1uF

HDMI1_ARC

+3.5V_ST

R220

10K

NON_DVB_T2

EPHY_RP

C216

0.047uF

R210

HDMI1_ARC

SOC_RESET

AVDD_AU33

SC1/COMP1_R_IN

VDD33

SIDE_USB1_DP

TU_SCL

R212

MODEL_OPT_EU/CHINA

R222

MODEL_OPT_DVB_S(O)

C252

0.1uF

ESD_0.1uF

C226

0.047uF

L227

BLM18PG121SN1D

NON_DVB_T2

MODEL_OPT_1

C264

1000pF

OPT

50V

X201
24MHz

R216

F_NIM/CHINA

CEC_REMOTE_S7

C259

0.1uF

C285
0.047uF
25V

NON_DVB_T2

C257

0.1uF

NON_DVB_T2

MIUVDDC

C282

0.1uF

NON_DVB_T2

R208

MODEL_OPT_DVB_T2(O)

C214

0.047uF

EPHY_TP

R244

F_NIM/CHINA

C258

0.1uF

NON_DVB_T2

R221

MODEL_OPT_MIU0_2G

L206

BLM18PG121SN1D

L228

BLM18PG121SN1D

C245

0.1uF

R288

100

NON_DVB_T2

C263
10uF

DTV/MNT_VOUT

C283

0.1uF

C209

0.1uF

C248

0.1uF

R254

AUD_LRCK

C291

0.1uF

16V

+1.10V_VDDC

SCART1_Rout

AUD_LRCH

R255

R256

R294

MODEL_OPT_MIU1_NO_DDR

+1.5V_DDR

C207

0.1uF

POWER_DET_RESET

CI_DET

+3.5V_ST

C203

1000pF

OPT

50V

AVDD_NODIE

C235

0.1uF

TU_SDA

R291

MODEL_OPT_MIU1_1G

PM_MODEL_OPT_1

C213

0.047uF

R223

MODEL_OPT_MIU0_1G

SC1_ID

R266

470

RESET_IC_SOC_RESET

C256
0.1uF

AVDD_NODIE

R219

NON_DVB_T2

MODEL_OPT_7

+1.10V_VDDC

C255

0.1uF

R290

MODEL_OPT_DUAL(O)

TU_CVBS

IF_N_MSTAR

+3.3V_Normal

C217

1000pF

+1.5V_DDR

SC1_R+/C

MODEL_OPT_4

+1.10V_VDDC

R293

MODEL_OPT_DUAL(X)

SC1_B+/C

EPHY_TN

+3.3V_Normal

C225

0.047uF

F_NIM/CHINA

R227

MODEL_OPT_FHD

+3.3V_Normal

R236

OPT

L208

BLM18PG121SN1D

R209

MODEL_OPT_DVB_T2(X)

+2.5V_Normal

SC1_CVBS_IN

C240

0.1uF

C274
0.1uF

R206

MODEL_OPT_M120(O)

FB_CORE

SOC_RESET

MODEL_OPT_2

R226

MODEL_OPT_HD

MODEL_OPT_6

AVDD2P5_MOD

R218

F_NIM/CHINA

+1.10V_VDDC

C211

0.047uF

L204

BLM18PG121SN1D

SIDE_USB1_DM

AMP_SDA

AMP_SCL

SC1_FB

+1.5V_DDR

R287

TU_SIF

SC1_G+/

R252

R258

AVDD2P5

+3.3V_Normal

EPHY_RN

MODEL_OPT_0

C241

0.1uF

VDD33

C233

0.047uF

MODEL_OPT_3

R245

R289

100

NON_DVB_T2

SC1/COMP1_L_IN

R224

MODEL_OPT_DVB_S(X)

AUD_SCK

R207

MODEL_OPT_M120(X)

R253

AVDD2P5

C215

0.047uF

C201

0.1uF

16V

IF_P_MSTAR

FB_CORE

R297

OPT

C279
0.1uF

+2.5V_Normal

SC1_SOG_IN

C236

2.2uF

C237

2.2uF

HPD2

CK-_HDMI2

D1-_HDMI2

D0+_HDMI2

DDC_SCL_2

D1+_HDMI2

D0-_HDMI2

D2+_HDMI2

DDC_SDA_2

CK+_HDMI2

D2-_HDMI2

AVDD5V_MHL

/VBUS_EN

C284-*1

10uF

10V

CAP_10uF_X7R

C204-*1

10uF 10V

CAP_10uF_X7R

C269-*1

10uF

10V

CAP_10uF_X7R

C261

27pF

XTAL_LOAD_27pF

C262

27pF

XTAL_LOAD_27pF

LNA2_CTL

RF_SWITCH_CTL

IF_AGC_SEL

IC101

MSD804KKX

S7LR-M_NON_MS10

RXACKP

RXACKN

RXA0P

RXA0N

RXA1P

RXA1N

RXA2P

RXA2N

DDCDA_DA/GPIO27

DDCDA_CK/GPIO26

HOTPLUGA/GPIO22

HOTPLUGD/GPIO25

RXCCKP

AE9

RXCCKN

AC9

RXC0P

AC10

RXC0N

AD9

RXC1P

AC11

RXC1N

AD10

RXC2P

AE11

RXC2N

AD11

DDCDC_DA/GPIO31

AE8

DDCDC_CK/GPIO30

AD8

HOTPLUGC/GPIO24

AC8

RXBCKP

RXBCKN

RXB0P

RXB0N

RXB1P

RXB1N

RXB2P

RXB2N

DDCDB_DA/GPIO29

DDCDB_CK/GPIO28

HOTPLUGB/GPIO23

CEC/GPIO5

HSYNC0

VSYNC0

RIN0P

RIN0M

GIN0P

GIN0M

BIN0P

BIN0M

SOGIN0

HSYNC1

VSYNC1

RIN1P

RIN1M

GIN1P

GIN1M

BIN1P

BIN1M

SOGIN1

HSYNC2

AA2

RIN2P

RIN2M

AA3

GIN2P

GIN2M

BIN2P

BIN2M

SOGIN2

CVBS0

AA8

CVBS1

CVBS2

CVBS3

AA5

NC_5

NC_7

AA4

NC_6

CVBSOUT1

AA1

VCOM

AB4

NC_8

AC4

NC_9

AD3

AC3

AE3

SIFP

AD4

SIFM

AC5

IF_AGC

AD2

RF_AGC

AE2

I2C_SCKM1/GPIO78

AE6

I2C_SDAM1/GPIO79

AD6

XIN

AD1

XOUT

AC1

SPDIF_IN/GPIO150

SPDIF_OUT/GPIO151

USB0_DM

USB0_DP

USB1_DM

AC12

USB1_DP

AE12

I2S_IN_BCK/GPIO148

I2S_IN_SD/GPIO149

I2S_IN_WS/GPIO147

I2S_OUT_BCK/GPIO154

B10

I2S_OUT_MCK/GPIO152

I2S_OUT_SD/GPIO155

I2S_OUT_WS/GPIO153

C10

AUL0

AB9

AUR0

AA11

AUL1

AUR1

AA9

AUL2

AA7

AUR2

AB8

AUL3

AUR3

Y10

AUL4

AC7

AUR4

AD7

GPIO_PM[13]/GPIO19

AUOUTL2

AVDD5V_MHL

GPIO_PM[14]/GPIO20

AUOUTR2

GPIO_PM[15]/GPIO21

AUVRM

AD5

AUVAG

AE5

AUVRP

AC6

EARPHONE_OUTL

AA6

EARPHONE_OUTR

AB6

RP/GPIO63

TP/GPIO60

RN/GPIO66

LED1/GPIO59

TN/GPIO62

GPIO61

GPIO64

GPIO65

LED0/GPIO58

IRIN/GPIO4

ARC0

HWRESET

IC101

MSD804KKX

S7LR-M_NON_MS10

AVDDLV_USB

K12

VDDC_1

VDDC_2

VDDC_3

K10

VDDC_4

K11

VDDC_5

L10

VDDC_6

M12

VDDC_7

M13

VDDC_8

N12

VDDC_9

P14

VDDC_10

P15

VDDC_11

R10

VDDC_12

R14

VDDC_13

R15

VDDC_14

T10

NC_2

P10

FB_CORE

P19

AVDDL_MOD

R16

NC_1

L11

DVDD_DDR

M14

AVDD2P5_ADC_1

AVDD2P5_ADC_2

W10

AVDD2P5_ADC_3

W11

AVDD2P5_ADC_4

W12

AVDD25_LAN

Y17

AVDD_MOD_1

V18

AVDD_MOD_2

U19

NC_3

W14

NC_4

W15

AVDD_NODIE

AVDD_DVI_USB_1

AVDD_DVI_USB_2

AVDD3P3_MPLL

AVDD_DMPLL

DVDD_NODIE

M19

AVDD_AU33

AVDD_EAR33

VDDP_1

R19

VDDP_2

T19

AVDD_LPLL_1

W18

AVDD_LPLL_2

W19

VDDP_NAND

V19

AVDD_DDR0_D_1

J17

AVDD_DDR0_D_2

K15

AVDD_DDR0_D_3

K16

AVDD_DDR0_C

L15

AVDD_DDR1_D_1

K17

AVDD_DDR1_D_2

L17

AVDD_DDR1_D_3

M17

AVDD_DDR1_C

L16

GND_EFUSE

GND_1

A23

GND_2

B17

GND_3

C23

GND_4

GND_5

C11

GND_6

C19

GND_7

C22

GND_8

D14

GND_9

D18

GND_10

D19

GND_11

E17

GND_12

E18

GND_13

E19

GND_14

E22

GND_15

GND_16

F17

GND_17

F18

GND_18

F19

GND_19

GND_20

GND_21

N22

GND_22

N21

GND_23

N20

GND_24

M22

GND_25

M21

GND_26

M20

GND_27

F10

GND_28

V15

GND_29

W16

GND_30

GND_31

T18

GND_32

G10

GND_33

G11

GND_34

G12

GND_35

G13

GND_36

G14

GND_37

G17

GND_38

G18

GND_39

G19

GND_40

G24

GND_41

H11

GND_42

H12

GND_43

H13

GND_44

H14

GND_45

H15

GND_46

H16

GND_47

H17

GND_48

H18

GND_49

H19

GND_50

GND_51

J10

GND_52

J11

GND_53

J12

GND_54

J13

GND_55

J14

GND_56

J15

GND_57

J16

GND_58

J18

GND_59

J19

GND_60

J25

GND_61

GND_62

K13

GND_63

K14

GND_64

H10

GND_65

K18

GND_66

K19

GND_67

K22

GND_68

GND_69

GND_70

GND_71

L12

GND_72

L13

GND_73

L18

GND_74

L19

GND_75

GND_76

GND_77

M10

GND_78

M11

GND_79

L14

GND_80

M15

GND_81

M16

GND_82

M18

GND_83

M25

GND_84

N10

GND_85

N11

GND_86

N13

GND_87

N14

GND_88

N15

GND_89

N16

GND_90

N17

GND_91

N19

GND_92

GND_93

GND_94

GND_95

GND_96

P11

GND_97

P13

GND_98

P16

GND_99

P17

GND_100

P18

GND_101

P12

GND_102

GND_103

GND_104

R11

GND_105

R12

GND_106

R13

GND_107

R17

GND_108

GND_109

GND_110

GND_111

T11

GND_112

T12

GND_113

T13

GND_114

T14

GND_115

T15

GND_116

T16

GND_117

T17

GND_118

GND_119

GND_120

U10

GND_121

U11

GND_122

U12

GND_123

U13

GND_124

U14

GND_125

U15

GND_126

U16

GND_127

U17

GND_128

R18

GND_129

GND_130

V10

GND_131

V11

GND_132

V12

GND_133

V14

GND_134

V17

GND_135

GND_136

10uF

10V

C284

CAP_10uF_X5R

85C

10uF

10V

C204

CAP_10uF_X5R

85C

MHL_CD_SENSE

RF_SWITCH_CTL

R203

100

RF_SW_OPT

L207

BLM18PG121SN1D

AVDD_DMPLL

C289

33pF

NON_DVB_T2

C288

33pF

NON_DVB_T2

C205
0.1uF

ESD_0.1uF

10uF

C269

CAP_10uF_X5R

URSA_SDA

URSA_SCL

URSA_SDA

C202

4.7uF

10V

RESET_IC_SOC_RESET

C200

4.7uF

10V

+3.5V_SOC_RESET

C254

1uF

10uF
10V

C278

C260

1uF

C277

1uF

C280

1uF

10uF

10V

C275

10uF

10V

C228

10uF
10V

C296

C286-*1
1uF
10V
ESD_1uF

C252-*1
1uF
10V
ESD_1uF

C205-*1
1uF
10V
ESD_1uF

MODEL_OPT_8

R202

OPT

R201

OPT

+2.5V_Normal

L202

BLM18PG121SN1D

C261-*1

30pF

XTAL_LOAD_30pF

C262-*1

30pF

XTAL_LOAD_30pF

HPD1

DDC_SCL_1

D0-_HDMI1

DDC_SDA_1

D2+_HDMI1

D1+_HDMI1

CK-_HDMI1

D2-_HDMI1

CK+_HDMI1

D0+_HDMI1

D1-_HDMI1

R298
300K

C249
4.7uF

C253

1uF

MODEL OPTION

AUDIO OUT

DTV_ATV_IF

Close to MSTAR

SCART1_RGB/COMP1

VDDC 1.05V

SIDE USB

DDR3 1.5V

SOC_RESET

I2S_I/F

TUNER_I2C

HDMI

AVDD25_PGA:13mA

AVDD2P5:172mA

AUDIO IN

CVBS In/OUT

ANALOG SIF

Close to MSTAR

VDDC : 2026mA

Normal 2.5V

AVDD_DDR:55mA

STby 3.5V

Normal Power 3.3V

Close to MSTAR

H/W opt:EU

SYM.C

SYM.E

AVDD25_PGA

AVSS_PGA

Memory

MODEL_OPT_4

MODEL_OPT_6

PIN NO.

Memory OPTION

U23

128M

128M+128M

256M+128M

256M

PIN NO.

Note

Ginga

CHANGE TO X5R

CHANGE TO
10UF 10V X5R

MODEL_OPT_5

PIN NAME

HIGH

NON_DVB_T2

DVB_T2

NON_DVB_S

PHM_OFF

MIU1-128M

MODEL OPTION

* Dual Stream is only Korea 3D spec

MODEL_OPT_7

LOW

T25

MIU0-128M

MIU0-256M

PIN NO.

NON_DUAL_STREAM

PHM_ON

MODEL_OPT_0

MODEL_OPT_2

U23

T24

AB3

AB2

MODEL_OPT_6

MIU1-NO_DDR

DVB_S

MODEL_OPT_3

MODEL_OPT_4

NON_M120

FHD

MODEL_OPT_1

DUAL_STREAM

M120

HDMI FOR LN52

Only for training and service purposes

LGE Internal Use Only

Содержание 32LN52 Series

Страница 1: ... MODEL 32LN52 32LN52 ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ...rved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 SCREW ASSEMBLY WORKING GUIDE 16 DISASSEMBLY WORKING GUIDE 17 BLOCK DIAGRAM 18 EXPLODED VIEW 21 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed m...

Страница 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent e...

Страница 5: ...he solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replace...

Страница 6: ...C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method follow...

Страница 7: ...bia Albania Kazakhstan Belarus 2 Broadcasting system Analogue TV 1 PAL BG 2 PAL DK 3 PAL I I 4 SECAM BG 5 SECAM DK 6 SECAM L L Analogue TV RF VHF E2 to E12 UHF E21 to E69 CATV S1 to S20 HYPER S21 to S47 Digital TV 1 DVB T C Digital TV VHF UHF 3 Receiving system Analog Upper Heterodyne Digital COFDM QAM DVB T Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 ...

Страница 8: ...0 00 148 5 HDTV 1080P O FHD only DTV 1 720 480 31 47 59 94 27 00 SDTV 480P 2 720 480 31 50 60 00 27 027 SDTV 480P 3 720 576 31 250 50 00 27 00 SDTV 576P 4 1280 720 37 50 50 00 74 25 HDTV 720P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 28 125 50 00 74 25 HDTV 1080I 8 1920 1080 33 75 60 00 74 25 HDTV 1080I 9 1920 1080 33 72 59 94 74 176 HDTV 1080I 10 1...

Страница 9: ... MP3 Pro MP3 32kbps 320kbps Bit rate 32kHz 48kHz Sample rate AC3 AC3 32kbps 640kbps Bit rate 32kHz 44 1kHz 48kHz Sample rate MPEG MPA 32kbps 448kbps Bit rate 32kHz 48kHz Sample rate AAC HEAAC M4A 24kbps 3844kbps Bit rate 8kHz 96kHz Sample rate CDDA CDA 1 44kbps Bit rate 44 1kHz Sample rate LPCM AIF AIFF WAV 1 41Mbps 9 6Mbps Bit rate Multi channel 44 1kHz 88 2kHz Sample rate 48kHz 96kHz Sample rate...

Страница 10: ...nnection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files fr...

Страница 11: ...d 01 e 80 02 03 22 F1 4E 10 9F 04 13 05 14 03 02 12 20 21 90 22 15 01 26 15 07 50 09 57 07 f A0 f 01 1D 80 18 71 1C 16 20 58 2C 25 00 20 C2 B0 31 00 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55 00 C0 20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58 2C D0 45 00 A0 5A 00 00 00 1E 01 1D 00 BC 52 D0 1E 20 E0 B8 28 55 40 C4 8E 21 00 00 1E 00 00 00 00 00 00 F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e MODEL ...

Страница 12: ...to controller or push Adjustment R C P ONLY Enter the mode of White Balance the pattern will come out Mode Temp Coordinate spec Cool 13 000 K X 0 271 0 002 Y 0 270 0 002 Medium 9 300 K X 0 285 0 002 Y 0 293 0 002 Warm 6 500 K X 0 313 0 002 Y 0 329 0 002 NetCase4 Aging time Min Cool Medium Warm X y x y x y 271 270 285 293 313 329 1 0 2 281 287 295 310 320 342 2 3 5 280 285 294 308 319 340 3 6 9 278...

Страница 13: ...72 One of the R B Gain is 254 3 if G Gain is 172 More than one of R B Gain is to be between 192 254 CASE Medium Warm First adjust the coordinate far away from the target value x y 1 x y target i Decrease the R G 2 x y target i First decrease the B gain ii Decrease the one of the others 3 x target y target i First decrease B so make y a little more than the target ii Adjust x value by decreasing th...

Страница 14: ...EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n Delay 20ms 6 2 Command Set Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 6 3 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technolo...

Страница 15: ...od 1 Communication Prot connection Connection PCBA USB Port USB to Serial Adapter UC 232A RS 232C cable PC RS 232C port Caution LJ21 chassis support only UC 232A driver only use this one 2 MAC Address Not use CI Key Download Set CI Key path Directory at Start Mac CI Download Programme Com 1 2 3 4 and 115200 Baudrate Port connection button click 1 Push the 2 MAC Address write At success Download ch...

Страница 16: ...ew specification and application situation Warning Check Screw Type When Screw is assembled at A Part If B Screw is used at the A part Module will get damaged SCREW ASSEMBLY WORKING GUIDE FAB31339403 M3 L6 BK Machine 4EA FAB31639801 M4 L10 BK Taptite 9EA FAB30016124 M4 L14 BK Machine 2EA C C A A B B B A A A A A B A A ...

Страница 17: ...s that bind StandAss y and set Disassemble 7 screws around the 4 edges of set after Separation Stand Ass y 1 2 Disassemble 4 screws that fix Side AV bracket and Back cover 3 After opening cover of IR Ass y Disconnect IR cable 4 5 6 After lifting up back cover slightly Disconnect SPK cable Remove the back cover and Disconnect LVDS and Power cable from Main PCB ...

Страница 18: ...A380BWF IC3401 I2S USB_DM DP DDR3 2Gbit H5TQ2G63DFR PBC HYNIX IC1201 EEPROM 256Kbit RENESAS IC104 SC1_RGB DTV MNT_VOUT Audio L R IN Audio_L R OUT Full Scart DDR_Data 0 15 DQS DM USB SIDE SCL SDA SCL SDA Data SCL SDA Video AMP IC2802 TV Tuner DVB T C TDSS G501D HDMI1 10 SCL SDA Data 10 SCL SDA Serial Flash 8Mbit MACRONIX IC1300 SPI SCK SDI SC1_CVBS_IN 11 15 8 11 CI_DATA 0 7 8 CI_ADDR 8 14 7 CI_ADDR...

Страница 19: ...rvice purposes 24V_Adapter 24V LED Driver IC404 DCDC IC 12V Q405 Audio AMP 24V IC401 DCDC IC 5V USB CI Normal Q409 12V PANEL Scart AMP IC400 DCDC IC 3 5V Q403 3 3V TU EEPROM NAND MAIN IC IC402 LDO 2 5V IC2603 LDO 1 8V MAIN IC TU IC403 DCDC IC IC407 LDO 1 1V MIAN IC Core 1 5V DDR NVRAM MAIN IC 2 POWER ...

Страница 20: ...ice purposes I2C_SCKM2 I2C_SCAM2 NVRAM IC104 22Ω 3 3V_NORMAL I2S_IN_BCK I2S_IN_SD S7LRM MSD804KKX Audio AMP IC3400 I2C_SCKM1 I2C_SDAM1 1KΩ 33Ω 3 3V_TU 20pF TU_A DEMOD 2 2KΩ 1KΩ 3 3V_NORMAL 22Ω 20pF AMP_SDA SCL I2C_SDA SCL TU_SDA SCL SPI1_CK SPI1_DI T CON NVRAM 0Ω 3 3V_NORMAL 1KΩ 0Ω V COM_SDA SCL 3 I2C ...

Страница 21: ...rical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacture...

Страница 22: ... NC4_S7LRM C607 0 1uF 16V OPT R601 100 3 5V_ST L600 BLM18PG121SN1D KEY2 R602 10K 1 IR R600 100 C604 100pF 50V 3 5V_ST C603 1000pF 50V R603 10K 1 C602 0 1uF 16V KEY1 3 5V_ST R607 3 3K LED_R BUZZ P600 12507WR 08L 1 2 3 4 5 6 7 8 9 R610 1 8K L601 BLM18PG121SN1D CONTROL_FILTER L602 BLM18PG121SN1D CONTROL_FILTER C608 0 1uF 16V CONTROL_FILTER C609 0 1uF 16V CONTROL_FILTER R611 0 CONTROL_NO_FILTER R612 0...

Страница 23: ... WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 13 03 27 USB 7 NC4_S7LRM JK700 3AU04S 305 ZC LG 1 2 3 4 5 D700 RCLAMP0502BA OPT SIDE_USB1_DM SIDE_USB1_DP 5V_USB C700 22uF 10V ZD700 5V OPT USB SIDE Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only ...

Страница 24: ... OF THE SCHEMETIC S_FLASH_OS 2012 06 20 13 NC4_S7LRM SPI_SCK 3 5V_ST 3 5V_ST C1300 0 1uF R1301 4 7K OPT SPI_CS SPI_SDO IC1300 MX25L8006EM2I 12G SPI_FLASH_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R1302 33 R1300 10K OPT SPI_SDI FLASH_WP IC1300 1 W25Q80BVSSIG SPI_FLASH_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 3 5V_ST Serial Flash for SPI boot OS Cop...

Страница 25: ...A 11 C1913 0 1uF 16V PCM_A 14 PCM_IRQA CI_MDI 2 CI_OE CI_MIVAL_ERR CI_MDI 0 REG CI_ADDR 0 14 CI_CD1 CI_MDI 2 PCM_A 1 REG CI_TS_SYNC 5V_Normal PCM_A 4 R1926 33 C1906 10uF 10V PCM_A 12 CI_ADDR 12 CI_MISTRT AR1905 33 CI_MCLKI PCM_A 9 IC1901 74LVC1G32GW OR_GARE_CI_PHILIPS 3 GND 2 A 4 Y 1 B 5 VCC CI_TS_CLK C1905 0 1uF GND CI_ADDR 10 AR1909 33 AR1906 33 CI_IORD CI_TS_DATA 4 CI_MDI 5 CI_MDI 3 AR1901 33 R...

Страница 26: ...PK_R R3411 43 C3407 0 1uF 16V POWER_DET 24V C3421 0 22uF 50V C3401 1000pF 50V C3409 0 1uF 16V AMP_SDA C3418 0 22uF 50V R3405 0 OPT SPK_R C3404 2 2uF 10V C3403 0 1uF 16V AUD_LRCK R3406 0 R3407 0 IC3401 STA380BWF 1 VCC_REG 2 VSS_REG 3 OUT2B 4 GND2 5 VCC2 6 OUT2A 7 OUT1B 8 VCC1 9 GND1 10 OUT1A 11 VDD_REG 12 GND_REG 13 NC_1 14 NC_2 15 NC_3 16 NC_4 17 NC_5 18 NC_6 19 NC_7 20 NC_8 21 NC_9 22 NC_10 23 NC...

Страница 27: ...NG IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2012 06 20 MSTAR DEBUG_4PIN 39 NC4_S7LRM RGB_DDC_SCL RGB_DDC_SDA P3900 12505WS 04A00 MSTAR_DEBUG_4P 1 2 3 4 5 JP_GND2 JP_GND3 JP_GND4 JP_GND1 MSTART DEBUG_4PIN Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only ...

Страница 28: ...ING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC RS232C_4P_OS 2012 06 20 40 NC4_S7LRM PM_RXD 3 5V_ST R4001 100 R4000 100 P4000 12507WS 04L RS232C_DEBUG_4P 1 VCC 2 PM_RXD 3 GND 4 RM_TXD 5 GND PM_TXD RS 232C Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only ...

Страница 29: ...UFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2012 07 04 EU_TP ERRC 41 NC4_S7LRM HP_DET BR_RESET_DEMOD RF_SWITCH_CTL HP_LOUT HP_ROUT SIDE_HP_MUTE EPHY_TN EPHY_RN EPHY_TP EPHY_RP LNA_CTRL_1 LNA_CTRL_2 IF_AGC_SEL DEMOD_SDA DEMOD_SCL S2_RESET LNA2_CTL EU NOT USED TP ERRC Copyright 2013 LG Electronics Inc All rights reserved LGE Internal Use Only ...

Страница 30: ...7 NC_7 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8...

Страница 31: ...K EU D2811 20V ESD_SCART R2858 220K EU R2810 1K EU D2815 5 6V ESD_SCART DTV MNT_L_OUT R2816 75 EU R2861 2 2K EU R2818 12K EU D2810 20V ESD_SCART DTV MNT_R_OUT D2817 5 6V ESD_SCART SCART1_Lout D2819 5 6V ESD_SCART R2811 75 EU R2802 75 D2812 20V ESD_SCART 12V C2820 330pF EU D2816 20V ESD_SCART SC1_R COMP1_Pr D2818 5 6V ESD_SCART R2867 33K EU R2860 2 2K EU R2863 5 6K EU DTV MNT_L_OUT C2819 330pF EU S...

Страница 32: ...8K 5V_HDMI_2 D821 RCLAMP0524PA ESD_HDMI_SEMTECH 1 8 2 7 3 6 4 5 9 10 R813 2 7K CEC_REMOTE_S7 R801 3 3K 5V_DET_HDMI_2 D808 ESD_HDMI D813 ESD_HDMI Q801 MMBT3904 NXP E B C 5V_HDMI_2 MHL_CD_SENSE MHL_OCP_EN VBUS_EN AVDD5V_MHL 5V_DET_HDMI_4 MHL_OCP_DET VA803 ESD_HDMI DDC_SDA_1 CK _HDMI1 VA804 ESD_HDMI HPD1 R809 10K D800 1 IP4283CZ10 TBA ESD_HDMI_NXP 3 GND_1 2 TMDS_CH1 4 TMDS_CH2 1 TMDS_CH1 5 TMDS_CH2 6...

Страница 33: ... 5V_SOC_RESET IC401 TPS65281RGV 3 ROSC 2 COMP 4 RLIM 1 SS 5 EN_SW 6 FAULT 7 AGND 8 SW_OUT 9 SW_IN 10 FB 11 LX 12 BST 13 PGND 14 VIN 15 V7V 16 EN 17 EP IC402 TJ1118S 2 5 1 GND 2 OUT 3 IN C437 22uF 10V C430 10uF 10V 10uF C461 10V C423 2 2uF 10V C453 22uF 10V C456 22uF 10V C443 10uF 16V C472 22uF 10V D402 5V OPT D405 5V 24V_ADAPTER 3 5V_ST C427 0 01uF 50V R426 12K Q405 AO3407A G D S 24V POWER_ON OFF_...

Страница 34: ... 5 1K R6902 100K C6916 10uF 35V OPT C6917 10uF 35V OPT C6918 10uF 35V OPT C6919 10uF 35V D6903 SF20D600D2 A2 C A1 R6942 150 R6943 150 R6944 150 R6938 150 R6945 150 R6939 150 R6940 150 R6941 150 R6918 470K 1 R6919 470K 1 R6908 1 R6936 1 R6950 1 R6947 1 R6948 1 R6949 1 R6952 1 R6909 1 R6946 1 R6951 1 R6953 1 R6954 1 R6955 1 R6956 1 R6957 1 R6958 1 R6959 1 42inch_Adapter R6960 1 42inch_Adapter R6961 ...

Страница 35: ... AUR0 AA11 AUL1 Y9 AUR1 AA9 AUL2 AA7 AUR2 AB8 AUL3 Y8 AUR3 Y10 AUL4 AC7 AUR4 AD7 GPIO_PM 13 GPIO19 W6 AUOUTL2 V6 AVDD5V_MHL V4 GPIO_PM 14 GPIO20 Y7 AUOUTR2 W5 GPIO_PM 15 GPIO21 U5 AUVRM AD5 AUVAG AE5 AUVRP AC6 EARPHONE_OUTL AA6 EARPHONE_OUTR AB6 RP GPIO63 C6 TP GPIO60 C5 RN GPIO66 A6 LED1 GPIO59 C4 TN GPIO62 B5 GPIO61 C3 GPIO64 A3 GPIO65 B3 LED0 GPIO58 B4 IRIN GPIO4 N4 ARC0 T6 HWRESET N5 IC101 MSD...

Страница 36: ...52_LVDS EU RXBCK RXA2 RXB4 RXB0 RXA0 RXB1 RXA4 RXBCK RXACK RXB4 RXB2 RXA2 RXA0 RXACK RXB4 RXB0 RXA4 RXA3 RXA1 RXA0 RXB1 RXBCK RXB2 RXA4 MIRROR RXA0 RXACK RXA1 RXACK RXA1 RXB3 RXA3 RXB2 RXB1 RXA3 RXACK EU pin assign is different from NON EU Because of position of HD wafer RXA0 RXA2 RXB2 RXB0 RXA1 RXA4 RXB4 RXA2 RXBCK RXA2 RXB0 RXBCK RXB3 RXB1 RXB4 RXB3 RXB3 RXACK Pol change RXBCK RXB1 RXB2 RXB2 RXB...

Страница 37: ... AE21 PCMDATA 6 GPIO120 AB21 PCMDATA 7 GPIO119 Y15 PCMADR 0 GPIO128 W20 PCMADR 1 GPIO127 V20 PCMADR 2 GPIO125 W22 PCMADR 3 GPIO124 AB18 PCMADR 4 GPIO102 AA20 PCMADR 5 GPIO104 AA21 PCMADR 6 GPIO105 Y19 PCMADR 7 GPIO106 AB17 PCMADR 8 GPIO111 Y16 PCMADR 9 GPIO113 AB19 PCMADR 10 GPIO117 AB20 PCMADR 11 GPIO115 AA16 PCMADR 12 GPIO107 AA19 PCMADR 13 GPIO110 AC21 PCMADR 14 GPIO109 AA17 PCMREG_N GPIO126 Y2...

Страница 38: ...610 TU_I2C_NON_FILTER 33 C2612 20pF 50V R2632 1 C2651 20pF 50V 1 8V_TU R2870 1K R2611 100 C2652 20pF 50V 3 3V_Normal TUNER_RESET C2642 10uF 10V IF_AGC_MAIN C2623 0 1uF 16V IF_AGC_SEL C2644 0 1uF 16V R2609 1 MLG1005SR27JT TU_I2C_FILTER TU_SDA IF_P_MSTAR 3 3V_TU 3 3V_TU R2871 1K R2610 1 MLG1005SR27JT TU_I2C_FILTER TU_SIF TU_CVBS R2601 10 R2602 10 TU2601 TDSS G501D B 5 3 3V 11 DLIF_ N 2 RESET 10 DLIF...

Страница 39: ......

Страница 40: ...eck record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 14 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A6 A3 First of all Check whether all of cables between board is inserted properly or not Main B D LVDS Cable Speaker Cable IR B D Cable 2...

Страница 41: ... D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 14 LCD TV Error symptom 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 42: ...Check Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close By using Digital signal level meter By using Diagnostics menu on OSD Menu Set up Support Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N N Normal Picture Y Close N A6 Standard Repair Process Established date Revised date 3 1...

Страница 43: ...ker TV etc Y Change satellite setting match with installed ANT N Normal Picture Y N A6 Standard Repair Process Established date Revised date 4 14 LCD TV Error symptom Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Normal setting Contact with signal distributor or broadcaster Cable or Air Close N Check Tuner soldering Replace Main B D 2013 01...

Страница 44: ... cable Y External device Cable normal HDMI DVI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error A7 N Y End Replace module Request repair for external device cable Color error Check Test pattern A10 A8 A9 Standard Repair Process Established date Revised date 5 14 LCD TV Error symptom 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserve...

Страница 45: ... error Connect other external device and cable Check normal operation of External Input and HDMI by connecting Jig pattern Generator Set top Box etc N Y Replace Main B D Screen normal Check screen condition by input External Input HDMI DVI Request repair for external device Check S W Version Y N Check version S W Upgrade Y N Normal screen End Y N Replace Main B D Replace Module Screen normal End E...

Страница 46: ...er Measure DC 24V from Adapter N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Adapter N Normal voltage Replace Adapter Y A11 A12 A13 A4 Standard Repair Process Established date Revised date 7 14 LCD TV Error symptom Stand By Red Close 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal U...

Страница 47: ...lanation Normal POWEROFF_REMOTEKEY Power off by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_SWDOWN Power off by S W Download POWEROFF_UNKNOWN Power off by unknown status except lis...

Страница 48: ...er Check Speaker disconnection N Y Replace Speaker Replace Main B D End C Audio error No audio Normal video A15 A4 Disconnection Established date Revised date 9 14 LCD TV Error symptom Standard Repair Process 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ...nnect and check other external device N Y Normal audio Check and fix external device Replace Adapter N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check DC24V From Adapter Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Establish...

Страница 50: ...Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A16 Normal Voltage N N Check 3 5V on Main B D Replace Adapter or Replace Main B D Adapter don t have problem A4 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A16 Replace Main B D Y A16 Standard Repair Process Established date Revised date 11 14 LCD TV Error symptom 2013 01 09 ...

Страница 51: ...al device cable HDMI DVI Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 12 14 LCD TV Error symptom Standard Repair Process 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...he solution manual For models without any fix information provide the description OR Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 13 14 LCD TV Error sympto...

Страница 53: ...emote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 14 14 LCD TV Error symptom Standard Repair Process 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 54: ...on diagram A7 10 11 Check Link Cable LVDS reconnection condition A8 A9 12 Adjustment Test pattern ADJ Key A10 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A8 A9 15 Adjustment Test pattern ADJ Key A10 16 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Board 1 A 1 5 17 Exchange T ...

Страница 55: ...oltage measuring method A4 26 B Power error_Off when on off while viewing POWER OFF MODE checking method A14 27 C Audio error_No audio Normal video Voltage and speaker checking method when there is no audio A15 28 D Function error_ No response in remote controller key error Remote controller operation checking method A16 Continued from previous page Copyright 2013 LG Electronics Inc All rights res...

Страница 56: ... A Video error_No video Normal audio ALL MODELS A1 Established date Revised date Error symptom Content LCD TV Power On disjoint back case check lighting at 2 points 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...te Revised date Error symptom Content LCD TV Measure DC 85_175V applying to Module from Power Board Output 85 175V from Power Board supply to Module Check Pin contacting statement and connection statement ALL MODELS 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ... Cool Medium Warm re enter the value after replacing the MAIN BOARD Standard Repair Process Detail Technical Manual Check White Balance value A Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ...d voltage measuring method A Video error_No video Audio A4 Established date Revised date Error symptom Content LCD TV Check the DC 24V L421 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...c Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...op 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A6 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...tal bar residual image light spot As the part connecting to the external input check the screen condition by signal A7 Established date Revised date Error symptom Content LCD TV ALL MODELS 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...l Technical Manual Check and replace Link Cable LVDS and contact condition A Video error_Color error ALL MODELS A8 A9 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ...rns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A10 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...oken Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange T Con Board 1 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...l Power Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ... Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...ge Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...l Block Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 Un repairable Cases In this case please exchange the module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...B Power error _No power A11 Established date Revised date Error symptom Content LCD TV ST BY condition Red Front LED control Menu Option Standby light ON 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...ge and ST BY 3 5V B Power error _No power A12 Established date Revised date Error symptom Content LCD TV 2013 01 09 Check the DC 24V L421 Check the ST BY 3 3V L405 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ...r is ON B Power error _No power A13 Established date Revised date Error symptom Content LCD TV 2013 01 09 Check the DC 24V L421 Check the LED_ON HIGH IC6900 pin No 1 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ...3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A14 Established date Revised date Error symptom Content LCD TV 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 74: ...thod when there is no audio C Audio error_No audio Normal video ALL MODELS A15 Established date Revised date Error symptom Content LCD TV 2013 01 09 Check the DC 24V L3401 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 75: ...e when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error_ No response in remote controller key error ALL MODELS A16 Established date Revised date Error symptom Content LCD TV P600 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 GND 6 LED_R 7 IR 8 GND 2013 01 09 Copyright 2013 LG Electronics Inc All rights reserved Only for training...

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