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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.

D1-_HDMI2

0 . 1 u F

C252

+1.10V_VDDC

0 . 0 4 7 u F

C209

33

R257

0 . 0 4 7 u F

C214

AMP_SDA

MODEL_OPT_0

IF_AGC_MAIN

510

R4024

0.1uF

C277

AVSS_PGA

2 . 2 u F

C237

SC1_SOG_IN

1K

DVB_T2

R208

0 . 1 u F

C4027

0.1uF

C4036

0.1uF

C4043

SCART1_Lout

COMP2_DET

COMP2_R_IN

SC1_CVBS_IN

AVDD_NODIE

100

R202BOOSTER_OPT

100

R296

0.1uF

C265

0 . 0 4 7 u F

C208

0.1uF

C4042

BLM18PG121SN1D

L219

2 . 2 u F

C243

D0-_HDMI1

33

R255

33

R228

0 . 0 4 7 u F

C226

0.1uF

C4038

0 . 1 u F

C257

33

R245

2 . 2 u F

C245

DDC_SCL_1

D0+_HDMI4

33

R239

SC1_G+/

0 . 0 4 7 u F

C206

68

R233

HPD4

0 . 0 4 7 u F

C230

1000pF

C210

0.1uF

C283

AVDD25_PGA

2 . 2 u F

C236

0 . 0 4 7 u F

C223

10K

R4026

0.1uF

C4020

CK-_HDMI2

68

R240

0 . 0 4 7 u F

C221

BLM18PG121SN1D

L206

IF_N_MSTAR

BLM18PG121SN1D

L209

AMP_SCL

D1+_HDMI1

510

R4025

0 . 0 4 7 u F

C212

2 . 2 u F

C4059

HPD2

C

D1-_HDMI4

0.1uF

C4006

OPT

2.4K

R4023

+3.3V_Normal

33

R4016

0.1uF

C290

OPT

BLM18PG121SN1D

L211

CK-_HDMI1

D2+_HDMI2

1000pF

C224

VDD33

VDD33

24MHz

X201

TU_CVBS

33

R253

RF_SWITCH_CTL

CK+_HDMI1

0.1uF

C232

+3.5V_ST

SIDEAV_L_IN

MIUVDDC

10uF

C284

10uF

C4001

AUD_MASTER_CLK_0

+1.5V_DDR

0 . 0 4 7 u F

C219

BLM18PG121SN1D

L227

D2+_HDMI4

SPDIF_OUT

2 . 2 u F

C244

1uF

C253

0

R4004

TMUE312GAB

SW200

SWITCH

12

4

3

5

1K

3D

R206

1K

HD

R226

COMP2_L_IN

10uF

C269

AV_CVBS_IN2

D2-_HDMI1

D1+_HDMI2

0.1uF

C4046

68

R254

0.1uF

C4019

SC1_B+/C

PC_L_IN

100

R289

2 . 2 u F

C238

SIDEAV_R_IN

0.1uF

C4031

+2.5V_Normal

68

R231

SC1/COMP1_L_IN

IR

0 . 1 u F

C251

+1.10V_VDDC

DSUB_HSYNC

D0+_HDMI1

0 . 1 u F

C286

AV_L_IN

AVDD_NODIE

0

NON_EU

R236

D1-_HDMI1

10

R217

68

R252

0 . 0 4 7 u F

C218

33

R241

SC1_R+/C

CK+_HDMI2

2 . 2 u F

C239

4 . 7 u F

10V

C200

AV_R_IN

+1.10V_VDDC

AVDD2P5

100pF

C4068

0 . 0 4 7 u F

C215

D2+_HDMI1

1uF

C4045

MODEL_OPT_3

BLM18SG121TN1D 

L202

0.1uF

C4011

22

R213 FULL_NIM

AVDD_MIU

10uF

C275

10uF

C278

68

R242

AVDD25_PGA

AUD_SCK

HPD1

0 . 1 u F

C250

100

R201

OPT

LNA2_CTL

TU_SCL

AVDD2P5

0 . 1 u F

C258

+3.5V_ST

HDMI_ARC

22

R214 FULL_NIM

AVSS_PGA

BLM18SG121TN1D 

L223

SIDEAV_CVBS_IN

0.1uF

C280

HP_ROUT

0 . 0 4 7 u F

C211

0.1uF

C4012

0.1uF

C4025

DDC_SCL_2

1K

PHM_OFF

R212

0.1uF

C4007

SIDE_USB_DP

100

R203RF_SW_OPT

D1+_HDMI4

AV_CVBS_IN2

MODEL_OPT_2

33

R210

MODEL_OPT_1

68

R238

1K

R209

NON_DVB_T2

D0-_HDMI2

0.1uF

C4024

0 . 0 4 7 u F

C220

1000pF

OPT

C203

VDD33

0 . 0 4 7 u F

C204

+3.3V_Normal

33

R232

0.1uF

C4009

100

R288

+3.3V_Normal

0 . 1 u F

C271

0.1uF

C299

OPT

1K

PHM_ON

R211

DTV/MNT_VOUT

BLM18PG121SN1D

L208

AV_CVBS_IN

0 . 0 4 7 u F

C4057

0

R4001

OPT

47

R4003

0 . 0 4 7 u F

C225

47

R4002

0 . 1 u F

C4064

1K

NON_3D

R207

SC1_ID

KDS181

D200

1000pF

OPT

C264

2 . 2 u F

C242

0.1uF

C4014

TU_SIF

62K

R200

33

R230

VDD33

100

R204

OPT

0 . 1 u F

C201

10uF

C228

33

R237

1K

FHD

R227

DDC_SDA_1

DDC_SDA_4

0 . 1 u F

C270

10uF

C263

DDC_SCL_4

CEC_REMOTE_S7

1M

R287

SCART1_Rout

0.1uF

C4013

OPT

D2-_HDMI2

SOC_RESET

68

R256

DEMOD_SCL

0.1uF

C4044

CK-_HDMI4

SC1/COMP1_R_IN

DDC_SDA_2

SIDE_USB_DM

0 . 0 4 7 u F

C222

0 . 0 4 7 u F

C227

TU_SDA

DEMOD_SDA

AVDD_AU33

PC_R_IN

D2-_HDMI4

0 . 0 4 7 u F

C233

AUD_LRCK

AVDD_AU33

0 . 0 4 7 u F

C205

2 . 2 u F

C4060

SOC_RESET

0 . 1 u F

C4062

IF_AGC_SEL

33

R244

HP_LOUT

1000pF

C217

DSUB_VSYNC

10uF

C293

OPT

TP208

10uF

C276

4 . 7 u F

C249

0.1uF

C292

OPT

SC1_FB

33

R246

68

R229

TP211

0 . 1 u F

C273

AUD_LRCH

0 . 0 4 7 u F

C213

0 . 1 u F

C241

10uF

C281

OPT

0 . 1 u F

C256

IF_P_MSTAR

0 . 0 4 7 u F

C216

C4067
OPT

CK+_HDMI4

MIUVDDC

AVDD_MIU

33

R249

FB_CORE

D0+_HDMI2

68

R258

+1.10V_VDDC

C

D0-_HDMI4

BLM18PG121SN1D

L204

100pF

C4069

TP210

100

R205

SWITCH

0 . 0 4 7 u F

C231

0 . 1 u F

C274

0 . 0 4 7 u F

C207

0.1uF

C267

BLM18PG121SN1D

L228

BLM18PG121SN1D

L229

0 . 1 u F
16V

C4070

AVDD2P5_MOD

AVDD2P5_MOD

22pF

C261

22pF

C262

CI_DET

0

R297OPT

10K

R4019

0

R4020

0 . 0 4 7 u F
25V

C4065

1K

R4027

OLED

1K

R4028

DVB_S

1K

R4029

NON_OLED

1K

R4030

NON_DVB_S

MODEL_OPT_4

MODEL_OPT_5

100

R4031 OPT

100

R4032 OPT

PM_MODEL_OPT_1

22

R4033

22

R4035

22

R4034

22

R4036

22

R4037

22

R4038

10uF

C4071

0 . 1 u F

C240

LGE2112-T8 

IC101

S7LR_DIVX_MS10

RXACKP

J 2

RXACKN

J 3

RXA0P

K3

RXA0N

J 1

RXA1P

K2

RXA1N

K1

RXA2P

L2

RXA2N

L3

DDCDA_DA/GPIO24

T5

DDCDA_CK/GPIO23

T4

HOTPLUGA/GPIO19

V5

HOTPLUGB/GPIO20

R5

RXCCKP

AE9

RXCCKN

AC9

RXC0P

AC10

RXC0N

AD9

RXC1P

AC11

RXC1N

AD10

RXC2P

AE11

RXC2N

AD11

DDCDC_DA/GPIO28

AE8

DDCDC_CK/GPIO27

AD8

HOTPLUGC/GPIO21

AC8

RXDCKP

F2

RXDCKN

F3

RXD0P

G3

RXD0N

F1

RXD1P

G2

RXD1N

G1

RXD2P

H2

RXD2N

H3

DDCDD_DA/GPIO30

R6

DDCDD_CK/GPIO29

U6

HOTPLUGD/GPIO22

P5

CEC/GPIO5

R4

HSYNC0

P2

VSYNC0

R3

RIN0P

N2

RIN0M

P3

GIN0P

N3

GIN0M

N1

BIN0P

M3

BIN0M

M2

SOGIN0

M1

HSYNC1

V2

VSYNC1

V3

RIN1P

U3

RIN1M

U2

GIN1P

T1

GIN1M

T2

BIN1P

R2

BIN1M

R1

SOGIN1

T3

HSYNC2

AA2

RIN2P

Y2

RIN2M

AA3

GIN2P

W2

GIN2M

Y3

BIN2P

V1

BIN2M

W3

SOGIN2

W1

CVBS0

AA8

CVBS1

Y4

CVBS2

W4

CVBS3

AA5

CVBS4

Y5

CVBS5

AA4

CVBSOUT0

Y6

CVBSOUT1

AA1

VCOM

AB4

VIFP

AC4

VIFM

AD3

I P

AC3

IM

AE3

SIFP

AD4

SIFM

AC5

IF_AGC

AD2

RF_AGC

AE2

I2C_SCKM1/GPIO75

AE6

I2C_SDAM1/GPIO76

AD6

XIN

AD1

XOUT

AC1

SPDIF_IN/GPIO152

D7

SPDIF_OUT/GPIO153

D6

USB0_DM

E3

USB0_DP

E2

USB1_DM

AC12

USB1_DP

AE12

I2S_IN_BCK/GPIO150

C8

I2S_IN_SD/GPIO151

D8

I2S_IN_WS/GPIO149

D9

I2S_OUT_BCK/GPIO156

B10

I2S_OUT_MCK/GPIO154

C9

I2S_OUT_SD/GPIO157

B9

I2S_OUT_WS/GPIO155

C10

AUL0

AB9

AUR0

AA11

AUL1

Y9

AUR1

AA9

AUL2

AA7

AUR2

AB8

AUL3

Y8

AUR3

Y10

AUL4

AC7

AUR4

AD7

AUOUTL0

W6

AUOUTL2

V6

AUOUTL3

V4

AUOUTR0

Y7

AUOUTR2

W5

AUOUTR3

U5

AUVRM

AD5

AUVAG

AE5

AUVRP

AC6

EARPHONE_OUTL

AA6

EARPHONE_OUTR

AB6

ET_RXD[0]/RP/GPIO60

C6

ET_TXD[0]/TP/GPIO57

C5

ET_RXD[1]/RN/GPIO63

A6

ET_TXD[1]/LED1/GPIO56

C4

ET_TX_CLK/TN/GPIO59

B5

ET_TX_EN/GPIO58

C3

ET_MDC/GPIO61

A3

ET_MDIO/GPIO62

B3

ET_COL/LED0/GPIO55

B4

IRIN/GPIO4

N4

ARC0

T6

HWRESET

N5

LGE2112-T8 

IC101

S7LR_DIVX_MS10

AVDDLV_USB

K12

VDDC_1

G9

VDDC_2

H9

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

AVDD1P0

P10

FB_CORE

P19

AVDDL_MOD

R16

AVDD10_LAN

L11

DVDD_DDR

M14

AVDD2P5_ADC_1

W9

AVDD2P5_ADC_2

W10

AVDD2P5_ADC_3

W11

AVDD25_REF

W12

AVDD25_LAN

Y17

AVDD_MOD_1

V18

AVDD_MOD_2

U19

AVDD25_PGA

W14

AVSS_PGA

W15

AVDD_NODIE

U7

AVDD_DVI_USB_1

L7

AVDD_DVI_USB_2

M7

AVDD3P3_MPLL

P7

AVDD_DMPLL

R7

DVDD_NODIE

M19

AVDD_AU33

V7

AVDD_EAR33

W7

VDDP_1

R19

VDDP_2

T19

AVDD_LPLL_1

W18

AVDD_LPLL_2

W19

VDDP_NAND

V19

AVDD_DDR0_D_1

J 1 7

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

E9

GND_1

A23

GND_2

B17

GND_3

C23

GND_4

A5

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

F8

GND_16

F17

GND_17

F18

GND_18

F19

GND_19

G8

GND_20

H8

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

V8

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

J 9

GND_51

J 1 0

GND_52

J 1 1

GND_53

J 1 2

GND_54

J 1 3

GND_55

J 1 4

GND_56

J 1 5

GND_57

J 1 6

GND_58

J 1 8

GND_59

J 1 9

GND_60

J 2 5

GND_61

K9

GND_62

K13

GND_63

K14

GND_64

H10

GND_65

K18

GND_66

K19

GND_67

K22

GND_68

L8

GND_69

L9

GND_70

J 8

GND_71

L12

GND_72

L13

GND_73

L18

GND_74

L19

GND_75

M8

GND_76

K8

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

K7

GND_93

P8

GND_94

P9

GND_95

M9

GND_96

P11

GND_97

P13

GND_98

P16

GND_99

P17

GND_100

P18

GND_101

P12

GND_102

R8

GND_103

R9

GND_104

R11

GND_105

R12

GND_106

R13

GND_107

R17

GND_108

T8

GND_109

T9

GND_110

N7

GND_111

T11

GND_112

T12

GND_113

T13

GND_114

T14

GND_115

T15

GND_116

T16

GND_117

T17

GND_118

U8

GND_119

U9

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

V9

GND_130

V10

GND_131

V11

GND_132

V12

GND_133

V14

GND_134

V17

GND_135

T7

GND_136

E8

0

R298

MODEL_OPT_6

MODEL_OPT_7

1K

OPT

R291

1K

OPT

R290

1K

R294

1K

R293

100

OPT

R4040

100

OPT

R4039

10uH

L203

H/P_FILTER

10uH

L205

H/P_FILTER

10uF
6.3V

C268

H/P_FILTER

10uF
6.3V

C272

H/P_FILTER

200

R260

H/P_FILTER

200

R261

H/P_FILTER

4 . 7 u F
10V

C268-*1

H/P_NON_FILTER

4 . 7 u F
10V

C272-*1

H/P_NON_FILTER

CM2012F5R6KT

L203-*1

H/P_NON_FILTER

CM2012F5R6KT

L205-*1

H/P_NON_FILTER

0

R260-*1

H/P_NON_FILTER

0

R261-*1

H/P_NON_FILTER

0

KOR_EMS_Improvement

R260-*2

0

KOR_EMS_Improvement

R261-*2

10uF
6.3V

KOR_EMS_Improvement

C272-*2

10uF
6.3V

KOR_EMS_Improvement

C268-*2

EXT_L_AMP

EXT_R_AMP

GP3_S7LR

MAIN2, HW OPT

2

20110511

HDMI

AVDD_DDR1:55mA

DVB_S

MODEL_OPT_1

3D

AB2

N o r m a l   2 . 5 V

VDDC 1.05V

AVDD_NODIE:7.362mA

N o r m a l   P o w e r   3 . 3 V

AUDIO IN

Close to MSTAR

PIN NO.

NON_3D

AVDD_DDR0:55mA

MODEL OPTION

MODEL OPTION

MODEL_OPT_5

PHM_OFF

MODEL_OPT_0

COMP2

MODEL_OPT_2

VDDC : 2026mA

NON_DVB_T2

T24

RSDS Power OPT

OLED

TUNER_I2C

MODEL_OPT_3

LOW

ANALOG SIF

NON_DVB_S

C l o s e   t o   I C   w i t h   w i d t h   t r a c e

STby 3.5V

Close to MSTAR

F4

U23

PHM_ON

Close to MSTAR

H/P OUT

SIDE USB

T25

SCART1_RGB/COMP1

AUDIO OUT

Close to MSTAR

AB3

MODEL_OPT_4

PIN NAME

DDR3 1.5V

NON_OLED

FHD

CVBS In/OUT

HD

SOC_RESET

HIGH

I2S_I/F

DSUB

DTV_IF

DVB_T2

AVDD2P5:172mA

AVDD25_PGA:13mA

MODEL_OPT_6

MODEL_OPT_7

B8

A8

READY

READY

READEY

READY

E x t e r n a l   S p e a k e r

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

Only for training and service purposes

LGE Internal Use Only

Содержание 37LK457C

Страница 1: ...MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only CHASSIS LB0EC MODEL 37LK457C 37LK457C TA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...nc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLESHOOTING GUIDE 14 BLOCK DIAGRAM 22 EXPLODED VIEW 23 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: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial 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...

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: ...d 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remarks 1 Market Austrailia New Zealand Singapore Malaysia Vietnam Indonesia South Africa Israel A ASIA only Analog for A ASIA 2 Broadcasting system 1 PAL SECAM B G D K 2 PAL I II 3 NTSC M 4 DVB T PAL for NZ SG 3 Receiving system Anal...

Страница 7: ... 720p 9 1280 720 45 00 60 00 HDTV 720p 10 1920 1080 31 25 50 00 HDTV 1080i 11 1920 1080 33 75 60 00 HDTV 1080i 12 1920 1080 33 72 59 94 HDTV 1080i 13 1920 1080 56 250 50 HDTV 1080p 14 1920 1080 67 5 60 HDTV 1080p No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60Hz 852 480 60Hz 640 4...

Страница 8: ...TV 1080I 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 26 97 27 23 97 24 74 17 74 25 HDTV 1080P 8 1920 1080 33 716 33 75 29 976 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10 1920 1080 67 43 67 5 59 94 60 148 35 148 50 HDTV 1080P 7 2 PC Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 720 400 31 468 70 08 28 321 HDCP 2 640 480 31 469 59 94 25 17 ...

Страница 9: ...Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection 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 Auto...

Страница 10: ...ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing key at 6 ADC Calibration Caution Using power on key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mod...

Страница 11: ...y at 7 White Balance After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection 4 2 DDC EDID Write RGB 128B...

Страница 12: ...MI1 HDMI2 HDMI3 RGB NG NG NG NG Reset Start EDID D L Reset Start HDMI1 HDMI2 HDMI3 RGB OK OK OK OK NO Item CMD 1 CMD 2 Data 0 Enter download MODE Download Mode In A A 0 0 When transfer the Mode In Carry the command EDID data and Model option download Download A E 00 10 Automatically download The use of a internal data 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 0 ff ff ff ff ff ff 0 1e 6d a b 10 c 1 3 68 10...

Страница 13: ... in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial number is initialized Not always There is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of Adjustment remote control 2 Go to the menu 6 Model Number D L lik...

Страница 14: ... or Main board Check Multi Voltage P403 2pin 24V 17pin 12V Replace Power Board Check Inverter Control Error Out P403 18 pin High P403 24 pin low Check Power Board or Module Check IC402 3 7 Output Voltage IC402 2 5V IC403 1 1V IC407 1 5V Q403 3 3V Replace IC402 3 7 Q403 Re download software Check Micom Voltage L404 3 5V Replace L404 Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Ou...

Страница 15: ...gnal TU3700 10 11 Pin Replace IC3703 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok No No No No Bad Tuner Replace Tuner 2 Digital TV Video 3 Analog TV Video Check RF Cable Signal Check Tuner 3 3V Power L3703 Replace L3703 Check Tuner 1 8V Power IC3703 2 pin 1 8V Check CVBS Signal TU3700 8 Pin Replace IC3703 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok o...

Страница 16: ...04 JK9901 CVBS Signal Line R246 R4016 ok ok ok No Replace Jack ok Check CVBS_DET Signal Replace R9915 or R1666 No Check Mstar LVDS Output Replace Mstar IC101 or Main Board No Check input signal format Is it supported Check Component Cable for damage or open conductor Check JK1601 or 1603 Y PB PR signal Line ok ok ok No Replace Jack Check COMP_DET Signal Replace R1614 R4223 or R1615 No Check Mstar ...

Страница 17: ...rmat Is it supported Check RGB Cable conductors for damage or open conductor Check EDID I2C Signal R138 R139 SDA SCL Check JK1104 H V_Sync R G B Signal Line ok ok ok No No re download EDID data Replace Mstar IC101 or Main Board ok Replace Jack Check DSUB_DET Replace R1146 or R1147 No Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No ...

Страница 18: ... EDID R4033 R4034 R4035 R4036 R4037 R4038 I2C Signal Check JK801 JK802 JK803 ok ok ok No No Replace the defective IC or re download EDID data Check HDCP EEPROM IC103 Power I2C Signal Replace the defective IC ok No Replace Jack Check HDMI Signal Check other set If no problem check signal line ok No Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No Replace Main Board No Check HDMI_DET ...

Страница 19: ... Check Connector P501 Replace connector if found to be damaged ok No Check speaker resistance and connector damage Replace speaker ok No Off Toggle the Menu Check AMP IC IC501 Power 24V or 20V or 15V 3 3V No Replace Amp IC IC501 Check Mstar I2S Output IC501 9 10 11 Pin No Check signal line Or replace Mstar IC101 Check Mstar AUDIO_MASTER_CLK R148 No Replace Mstar IC101 or Main Board ok Check AMP I2...

Страница 20: ...Power L3703 Replace L3703 Check Tuner 1 8V Power IC3703 2 pin 1 8V Check IF_P N Signal TU3700 10 11 Pin Replace IC3703 ok ok ok No No No Bad Tuner Replace Tuner Check RF Cable Signal Follow procedure 8 All source audio trouble shooting guide ok Check Tuner 3 3V Power L3703 Replace L3703 Check Tuner 1 8V Power IC3703 2 pin 1 8V Check CVBS Signal TU3700 8 Pin Replace IC3703 ok ok ok No No No Bad Tun...

Страница 21: ...ace Jack Follow procedure 8 All source audio trouble shooting guide 12 Component Audio Check Component Cable for damage or open conductor Check JK1601 JK1603 Signal Line ok ok No Replace Jack Follow procedure 8 All source audio trouble shooting guide 13 RGB Audio Check Cable conductors for damage or open conductor Check JK1102 Signal Line ok No ok Replace Jack Follow procedure 8 All source audio t...

Страница 22: ...P b Pr COMP_DET COMP_L R_IN TUNER TU_CVBS SIF TU_SCL SDA IF_N P_MSTAR RS232C PM_RXD TXD MAX3232CDR IC1101 IR IR KEY1 2 SoftTouch_SCL SDA SENSOR_SCL S DA LED_B R Tact HDCP EEPROM I2C_SCL SDA IC104 EEPROM I2C_SCL SDA Serial Flash SPI_CS SCK SDO SPI_SDI NAND FLASH PCM_A 0 7 DDR3 SDRAM A_DDR3_A 0 14 B_DDR3_A 0 14 A_DDR3_DQL 0 7 A_DDR3_DQU 0 7 B_DDR3_DQL 0 7 B_DDR3_DQU 0 7 USB USB_DM DP LVDS RXA 0 3 CK...

Страница 23: ...electrical 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 manufa...

Страница 24: ...122 W22 PCMADR 3 GPIO121 AB18 PCMADR 4 GPIO99 AA20 PCMADR 5 GPIO101 AA21 PCMADR 6 GPIO102 Y19 PCMADR 7 GPIO103 AB17 PCMADR 8 GPIO108 Y16 PCMADR 9 GPIO110 AB19 PCMADR 10 GPIO114 AB20 PCMADR 11 GPIO112 AA16 PCMADR 12 GPIO104 AA19 PCMADR 13 GPIO107 AC21 PCMADR 14 GPIO106 AA17 PCMREG_N GPIO123 Y20 PCMOE_N GPIO113 AB15 PCMWE_N GPIO197 AA22 PCMIORD_N GPIO111 AD22 PCMIOWR_N GPIO109 AD20 PCMCE_N GPIO115 A...

Страница 25: ...N0M M2 SOGIN0 M1 HSYNC1 V2 VSYNC1 V3 RIN1P U3 RIN1M U2 GIN1P T1 GIN1M T2 BIN1P R2 BIN1M R1 SOGIN1 T3 HSYNC2 AA2 RIN2P Y2 RIN2M AA3 GIN2P W2 GIN2M Y3 BIN2P V1 BIN2M W3 SOGIN2 W1 CVBS0 AA8 CVBS1 Y4 CVBS2 W4 CVBS3 AA5 CVBS4 Y5 CVBS5 AA4 CVBSOUT0 Y6 CVBSOUT1 AA1 VCOM AB4 VIFP AC4 VIFM AD3 IP AC3 IM AE3 SIFP AD4 SIFM AC5 IF_AGC AD2 RF_AGC AE2 I2C_SCKM1 GPIO75 AE6 I2C_SDAM1 GPIO76 AD6 XIN AD1 XOUT AC1 S...

Страница 26: ...L407 10uF 10V C430 3 3V_Normal 0 1uF 16V C490 5V_TUNER 33K R439 AP1117EG 13 IC410 5V_TUNER ADJ GND OUT IN 1 10W 1 21K 1 R447 PD_ 12V RL_ON 0 1uF 16V C417 5V_TUNER 1 R473 FM20020 24 P404 NORMAL_32 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 25 110 R417 5V_TUNER 3K R405 1 PANEL_DISCHARGE_RES 0 1uF 16V C408 OPT 0 1uF 16V C412 PD_ 12V 10K OPT R446 22K R435 OPT PANEL_VCC 0 1uF 50V C4...

Страница 27: ... SENSOR_SDA 3 3V_Normal 18pF 50V OPT C2409 0 R2427 12507WR 12L P2401 OLD_SUB 1 2 3 4 5 6 7 8 9 10 11 12 13 3 5V_ST 0 1uF 16V C2405 JP2410 22 R2428 10K 1 R2404 KEY1 47K R2426 IR 0 1uF 16V C2410 OPT KEY2 JP2409 100 R2401 12507WR 15L P2402 NEW_SUB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15 100 R2411 EYEQ TOUCH_KEY 10K R2416 OPT BLM18PG121SN1D L2404 1000pF 50V C2406 2SC3052 Q2405 OPT E B C 10K R2430 OPT 1...

Страница 28: ... EAN61849601 IC1450 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC CIS21J121 L1451 1 USB DOWN STREAM 3AU04S 305 ZC LG JK1450 USB_JACK 1 2 3 4 5 5V_USB 10uF 10V C1452 USB1_OCD SIDE_USB_DM 0 1uF C1453 1 8W 2K 1 R1458 1 8W 2K 1 R1459 USB DOWN STREAM 3AU04S 345 ZC H LG JK1450 1 USB_JACK_LV3400 1 2 3 4 5 4 7K OPT R1455 RCLAMP0502BA D1451 OPT SIDE_USB_DP 3 3V_Normal 22uF 16V C1451 47 R1451 20101023...

Страница 29: ... R808 DDC_SDA_1 JP810 AT24C02BN SH T IC802 HDMI_2_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC 1 8K R804 5V_Normal R1EX24002ASAS0A IC801 1 HDMI_1_RENESAS 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 WP 8 VCC 22 R877 10K R874 HDMI_1_EEPROM D2 _HDMI4 CK _HDMI2 0 1uF C806 EDID_WP EDID_WP 10K R806 D1 _HDMI2 DDC_SCL_1 ENKMC2838 T112 D822 A1 C A2 DDC_SDA_2 CK _HDMI4 JP806 AT24C02BN SH T IC801 HDMI_1_ATMEL 3 ...

Страница 30: ... B C 3 5V_ST 1000pF 50V C1116 OPT 10uF 16V C1118 HEAD_PHONE 1K R1128 H P_EXT_SPK 3 3K R1129 HEAD_PHONE MMBT3904 F Q1102 HEAD_PHONE E B C 1K R1155 H P_EXT_SPK MMBT3904 F Q1101 HEAD_PHONE E B C 1K R1125 H P_EXT_SPK MMBT3904 F Q1103 HEAD_PHONE E B C ISA1530AC1 Q1105 HEAD_PHONE E B C HP_DET HP_LOUT 2 V7 HP_ROUT 2 V7 EXT_OUT_L AN23 SIDE_HP_MUTE MMBT3904 F Q1104 HEAD_PHONE E B C EXT_OUT_R AN22 3 3V_Norm...

Страница 31: ...C1103 0 33uF C1101 0 1uF C1104 3 5V_ST CDS3C30GTH 30V OPT D1107 100 R1123 0 1uF C1105 0 1uF C1102 100 R1124 SPG09 DB 009 JK1101 1 2 3 4 5 6 7 8 9 10 JP1111 EAN41348201 MAX3232CDR IC1101 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC PM_TXD CDS3C30GTH 30V OPT D1108 BAP70 02 50V D1100 1K R1100 3 5V_ST IR_OUT 20110324 GP3_S7LR RS232C_9PIN 10...

Страница 32: ...ER_FHD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 RXA2 RXA0 0 1uF 16V HD C703 RXB1 0 1uF 16V C710 WAFER_FHD FF10001 30 P705 HD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 RXB2 RXB4 RXA0 RXA1 RXA0 PANEL_VCC 1000pF 50V OPT C702 RXA3 10K OPT R711 120 ohm HD L...

Страница 33: ...E2 VSSQ_6 E8 VSSQ_7 F9 VSSQ_8 G1 VSSQ_9 G9 0 1 u F C1203 B MVREFDQ 1K 1 R1227 0 1 u F C1228 A MWEB 0 1 u F C1248 B MCASB 0 1 u F C1222 0 1 u F C1215 A MA8 B MA6 B MVREFCA B MDQL5 B MCKE B MCKE A MRASB A MVREFCA A MDQL5 10uF C1205 B MA7 A MA0 A MDQU4 0 1 u F C1232 A MDQU5 B MA13 NT5CB64M16DP CF EAN61857201 DDR_1333_NANYA_NEW IC1202 2 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 A...

Страница 34: ...SCK 3 5V_ST KRC103S Q1401 OPT E B C 3 5V_ST 0 1uF C1401 4 7K R1404 OPT SPI_CS SPI_SDO MX25L8006EM2I 12G IC1401 S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC 33 R1405 10K R1403 OPT SPI_SDI FLASH_WP 0 OPT R1401 W25Q80BVSSIG IC1401 1 S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 3 5V_ST SFLASH 20110324 13 GP3_S7LR Copyright 2012 LG E...

Страница 35: ... MLB 201209 0120P N2 L3702 5V_TUNER 22pF 50V FULL_NIM C3714 150 R3703 OPT 0 1uF 16V C3738 0 FULL_NIM R3730 1 10W 1 HALF_NIM R3766 22uF 10V C3723 10K OPT R3754 2SC3052 OPT Q3704 E B C TU_SCL 220 R3752 BUFFER 3 3V_TU 22pF 50V FULL_NIM C3712 1 2V 1 8V_TU TUNER_RESET 1 2V 1 8V_TU AP1117EG 13 HALF_NIM_1 2V_DIODES IC3703 1 ADJ GND OUT IN 3 3V_TU 3 3V_TU IF_AGC_SEL MLG1005SR27JT R3735 1 TU_I2C_FILTER 10K...

Страница 36: ...T2A_1 26 OUT2A_2 27 PGND2A 28 BST2A 29 VDR2 30 GND_2 31 VCC_5 32 VDR1 33 BST1B 34 PGND1B 35 OUT1B_1 36 OUT1B_2 37 PVDD1_1 38 PVDD1_2 39 PVDD1_3 40 OUT1A_1 41 OUT1A_2 42 PGND1A 43 BST1A 44 RESET 45 AD 46 GND_IO 47 CLK_I 48 VDD_IO 49 E P 4 7K R519 0 1uF 50V C520 2SC3052 Q501 NON_LIPS E B C 0 47uF 50V C535 3 3K R505 10 0uH L505 1N4148W 100V OPT D502 12 R508 1N4148W 100V OPT D503 4 7K R517 10 0uH L504...

Страница 37: ... C1617 OPT SC1_B COMP1_Pb AV_R_IN 10K EU_OPT R1668 SC1 COMP1_DET 12K R1634 SC1_R COMP1_Pr 30V D1605 0 1uF EU_OPT C1636 75 R1605 COMP2_Y 5 6V OPT D1608 10K R1612 5 6V D1616 390 EU_OPT R1635 DTV MNT_R_OUT 10K R1613 DTV MNT_R_OUT 390 R4211 EU_OPT 330pF 50V C1662 REAR_AV 12K R1689 REAR_AV 1000pF 50V EU_OPT C1610 30V OPT D1618 SC1_SOG_IN EU_OPT L1606 10uF 16V EU_OPT C1644 DTV MNT_L_OUT 0 EU_OPT R4221 2...

Страница 38: ...COMP JK9902 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 ADMC5M03200L_AMODIODE 5 6V OPT D9902 SIDEAV_R_IN ADMC5M03200L_AMODIODE 5 6V SIDE_CVBS D9903 470K SIDE_CVBS R9906 ADMC5M03200L_AMODIODE 5 6V SIDE_CVBS D9904 BLM18PG121SN1D SIDE_CVBS L9903 100pF 50V SIDE_CVBS C9905 12K SIDE_CVBS R9916 COMP2_Pr 10K SIDE_CVBS R9911 5 6V OPT D9908 3 3V_Normal COMP2_Pb 3 3V_Normal 100pF SIDE_CVBS C9901 ADUC30S03010L_AMODIO...

Страница 39: ...901 CI_SLOT_OR_GATE_NXP 3 GND 2 A 4 Y 1 B 5 VCC CI_ADDR 3 CI_TS_VAL PCM_A 14 CI_ADDR 11 PCM_WAIT CI_TS_SYNC 0 1uF C1902 33 AR1909 CI_IOWR 0 1 u F 16V C1908 OPT 47 R1902 REG CI_MDI 7 CI_ADDR 13 GND PCM_OE CI_MDI 3 CI_MDI 4 PCM_A 4 2 2K R1922 TOSHIBA TC74LCX244FT 0ITO742440D IC1902 3 2Y4 2 1A1 4 1A2 1 1OE 6 1A3 5 2Y3 7 2Y2 8 1A4 9 2Y1 10 GND 11 2A1 12 1Y4 13 2A2 14 1Y3 15 2A3 16 1Y2 17 2A4 18 1Y1 19...

Страница 40: ...0205 7 5T_GAS GAS2 2 MDS62110209 GAS3 5 8 5T_GAS MDS62110209 GAS5 5 8 5T_GAS MDS62110209 8 5T_GAS GAS6 5 MDS62110205 7 5T_GAS GAS1 2 MDS61887708 12 5T_GAS GAS6 4 MDS62110204 5 5T_GAS GAS6 1 MDS61887708 12 5T_GAS GAS2 4 MDS61887708 12 5T_GAS GAS1 4 MDS62110204 5 5T_GAS GAS2 1 MDS62110205 7 5T_GAS GAS6 2 MDS62110205 7 5T_GAS GAS7 2 MDS62110204 5 5T_GAS GAS5 1 MDS62110204 5 5T_GAS GAS7 1 MDS62110209 ...

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