LG 32LT670H Service Manual Download

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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

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

DVB_T2

R208

0 . 1 u F

C4027

0.1uF

C4036

0.1uF

C4043

SCART1_Lout

SC1_CVBS_IN

AVDD_NODIE

100

R202

OPT

0.1uF

C265

0 . 0 4 7 u F

C208

0.1uF

C4042

BLM18PG121SN1D

L219

2 . 2 u F

C243

OPT

D0-_HDMI1

R255

R228

0 . 0 4 7 u F

C226

0.1uF

C4038

0 . 1 u F

C257

R245

2 . 2 u F

C245

DDC_SCL_1

D0+_HDMI4

R239

OPT

SC1_G+/

0 . 0 4 7 u F

C206

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

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

OPT

HPD2

D1-_HDMI4

0.1uF

C4006

OPT

2.4K

R4023

+3.3V_Normal

R4016

OPT

0.1uF

C290

OPT

BLM18PG121SN1D

L211

CK-_HDMI1

D2+_HDMI2

1000pF

C224

OPT

VDD33

24MHz

X201

TU_CVBS

R253

CK+_HDMI1

0.1uF

C232

+3.5V_ST

MIUVDDC

10uF

C284

10uF

C4001

AUD_MASTER_CLK_0

+1.5V_DDR

0 . 0 4 7 u F

C219

BLM18PG121SN1D

L227

D2+_HDMI4

2 . 2 u F

C244

1uF

C253

R4004

TMUE312GAB

SW200

R206

R226

10uF

C269

AV_CVBS_IN2

D2-_HDMI1

D1+_HDMI2

0.1uF

C4046

R254

0.1uF

C4019

SC1_B+/C

100

R289

2 . 2 u F

C238

0.1uF

C4031

+2.5V_Normal

R231

SC1/COMP1_L_IN

0 . 1 u F

C251

+1.10V_VDDC

DSUB_HSYNC

D0+_HDMI1

0 . 1 u F

C286

AV_L_IN

AVDD_NODIE

D1-_HDMI1

R217

R252

0 . 0 4 7 u F

C218

OPT

R241

OPT

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

AVDD_MIU

10uF

C275

10uF

C278

R242

AVDD25_PGA

AUD_SCK

HPD1

0 . 1 u F

C250

100

R201

OPT

TU_SCL

AVDD2P5

0 . 1 u F

C258

+3.5V_ST

HDMI_ARC

AVSS_PGA

BLM18SG121TN1D

L223

0.1uF

C280

0 . 0 4 7 u F

C211

0.1uF

C4012

0.1uF

C4025

DDC_SCL_2

PHM_OFF

R212

0.1uF

C4007

SIDE_USB_DP

100

R203

OPT

D1+_HDMI4

AV_CVBS_IN2

MODEL_OPT_2

R210

MODEL_OPT_1

R238

R209

NON_DVB_T2

D0-_HDMI2

0.1uF

C4024

0 . 0 4 7 u F

C220

OPT

1000pF

OPT

C203

VDD33

0 . 0 4 7 u F

C204

+3.3V_Normal

R232

0.1uF

C4009

100

R288

+3.3V_Normal

0 . 1 u F

C271

0.1uF

C299

OPT

PHM_ON

R211

DTV/MNT_VOUT

BLM18PG121SN1D

L208

AV_CVBS_IN

0 . 0 4 7 u F

C4057

OPT

R4001

OPT

R4003

0 . 0 4 7 u F

C225

R4002

0 . 1 u F

C4064

NON_3D

R207

SC1_ID

KDS181

D200

1000pF

OPT

C264

2 . 2 u F

C242

OPT

0.1uF

C4014

TU_SIF

62K

R200

R230

VDD33

100

R204

OPT

0 . 1 u F

C201

10uF

C228

R237

OPT

FHD

R227

DDC_SDA_1

DDC_SDA_4

0 . 1 u F

C270

10uF

C263

DDC_SCL_4

CEC_REMOTE_S7

R287

SCART1_Rout

0.1uF

C4013

OPT

D2-_HDMI2

SOC_RESET

R256

0.1uF

C4044

CK-_HDMI4

SC1/COMP1_R_IN

DDC_SDA_2

SIDE_USB_DM

0 . 0 4 7 u F

C222

OPT

0 . 0 4 7 u F

C227

TU_SDA

AVDD_AU33

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

OPT

SOC_RESET

0 . 1 u F

C4062

R244

1000pF

C217

DSUB_VSYNC

10uF

C293

OPT

TP208

10uF

C276

4 . 7 u F

C249

0.1uF

C292

OPT

SC1_FB

R246

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

R249

FB_CORE

D0+_HDMI2

R258

+1.10V_VDDC

D0-_HDMI4

BLM18PG121SN1D

L204

100pF

C4069

TP210

100

R205

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

22pF

C261

22pF

C262

CI_DET

R297OPT

10K

R4019

R4020

0 . 0 4 7 u F
25V

C4065

R4027

OLED

R4028

DVB_S

R4029

NON_OLED

R4030

NON_DVB_S

MODEL_OPT_4

MODEL_OPT_5

100

R4031

OPT

100

R4032

OPT

PM_MODEL_OPT_1

R4033

R4035

R4034

R4036

R4037

R4038

10uF

C4071

0 . 1 u F

C240

LGE2112-T8

IC101

S7LR_DIVX_MS10

RXACKP

J 2

RXACKN

J 3

RXA0P

RXA0N

J 1

RXA1P

RXA1N

RXA2P

RXA2N

DDCDA_DA/GPIO24

DDCDA_CK/GPIO23

HOTPLUGA/GPIO19

HOTPLUGB/GPIO20

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

RXDCKN

RXD0P

RXD0N

RXD1P

RXD1N

RXD2P

RXD2N

DDCDD_DA/GPIO30

DDCDD_CK/GPIO29

HOTPLUGD/GPIO22

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

CVBS4

CVBS5

AA4

CVBSOUT0

CVBSOUT1

AA1

VCOM

AB4

VIFP

AC4

VIFM

AD3

I P

AC3

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

SPDIF_OUT/GPIO153

USB0_DM

USB0_DP

USB1_DM

AC12

USB1_DP

AE12

I2S_IN_BCK/GPIO150

I2S_IN_SD/GPIO151

I2S_IN_WS/GPIO149

I2S_OUT_BCK/GPIO156

B10

I2S_OUT_MCK/GPIO154

I2S_OUT_SD/GPIO157

I2S_OUT_WS/GPIO155

C10

AUL0

AB9

AUR0

AA11

AUL1

AUR1

AA9

AUL2

AA7

AUR2

AB8

AUL3

AUR3

Y10

AUL4

AC7

AUR4

AD7

AUOUTL0

AUOUTL2

AUOUTL3

AUOUTR0

AUOUTR2

AUOUTR3

AUVRM

AD5

AUVAG

AE5

AUVRP

AC6

EARPHONE_OUTL

AA6

EARPHONE_OUTR

AB6

ET_RXD[0]/RP/GPIO60

ET_TXD[0]/TP/GPIO57

ET_RXD[1]/RN/GPIO63

ET_TXD[1]/LED1/GPIO56

ET_TX_CLK/TN/GPIO59

ET_TX_EN/GPIO58

ET_MDC/GPIO61

ET_MDIO/GPIO62

ET_COL/LED0/GPIO55

IRIN/GPIO4

ARC0

HWRESET

LGE2112-T8

IC101

S7LR_DIVX_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

AVDD1P0

P10

FB_CORE

P19

AVDDL_MOD

R16

AVDD10_LAN

L11

DVDD_DDR

M14

AVDD2P5_ADC_1

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

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

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

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

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

GND_62

K13

GND_63

K14

GND_64

H10

GND_65

K18

GND_66

K19

GND_67

K22

GND_68

GND_69

GND_70

J 8

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

R298

MODEL_OPT_6

MODEL_OPT_7

OPT

R291

OPT

R290

R294

R293

100

OPT

R4040

100

OPT

R4039

10uH

L203

OPT

10uH

L205

OPT

EXT_L_AMP

EXT_R_AMP

GP3_S7LR

MAIN2, HW OPT

20110511

HDMI

AVDD_DDR1:55mA

DVB_S

MODEL_OPT_1

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_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

U23

PHM_ON

Close to MSTAR

SIDE USB

T25

SCART1_RGB/COMP1

Close to MSTAR

AB3

MODEL_OPT_4

PIN NAME

DDR3 1.5V

NON_OLED

FHD

CVBS In/OUT

SOC_RESET

HIGH

I2S_I/F

DSUB

DTV_IF

DVB_T2

AVDD2P5:172mA

AVDD25_PGA:13mA

MODEL_OPT_6

MODEL_OPT_7

READY

READEY

READY

EXTERNAL SPEAKER

SCART OUT

LGE Internal Use Only

Summary of Contents for 32LT670H

Page 1: ...ODEL 32LT670H 32LT670H UA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LCD 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 ...

Page 2: ... LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 TROUBLESHOOTING 16 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SCHEMATIC CIRCUIT DIAGRAM ...

Page 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...

Page 4: ...llowed 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 followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification 4 General Specification No Item Specification Remark 1 Receiving System 1 ATSC NTSC M 64 256 QAM 2...

Page 5: ...68 70 09 25 17 EGA Х 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1280 768 47 776 59 870 79 5 CVT WXGA Х 7 1360 768 47 712 60 015 85 50 VESA WXGA O DTV 1 720 480 31 47 60 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 59 9...

Page 6: ...y if needed Both Board level and Final assembly adjustment items can be check using In Start Menu 1 ADJUST CHECK RGB PC Adjust will be calculated by 480i adjust value 3 2 Final assembly adjustment 1 White Balance adjustment 2 RS 232C functionality check 3 Factory Option setting per destination 4 Shipment mode setting In Stop 3 3 Etc 1 Shipment conditions 2 Service Option Default 3 USB Download S W...

Page 7: ...Model 8Bit HDMI 1 FHD 10BIT C S 989B EDID Block 0 Bytes 0 127 00H 7FH 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 16 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 81 80 61 40 45 40 31 40 01 01 30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 40 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30 50 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD...

Page 8: ...02 03 1C F1 47 90 22 20 05 04 03 02 23 09 57 07 10 67 03 0C 00 10 00 80 1E E3 05 03 01 02 3A 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 40 84 60 63 00 00 18 26 36 80 A0 70 38 1F 40 30 20 25 00 70 40 84 63 00 00 1A 00 00 00 00 00 00 00 00 0...

Page 9: ... 00 72 51 D0 1E 20 50 6E 28 55 00 40 84 63 00 00 1E 00 00 00 FD 00 39 60 3F 1F 3C 09 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 1A EDID Block 1 Bytes 128 255 80H FFH 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03 1C F1 47 10 22 20 05 84 03 02 23 09 57 07 10 67 03 0C 00 20 00 80 1E E3 05 03 01 02 3A 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 ...

Page 10: ...sing no signal or Full white pattern 6 1 2 Equipment 1 Color Analyzer CA 210 NCG CH 9 WCG CH12 LED CH14 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Video Signal Generator MSPG 925F 720p 204 Gray Model 217 Pattern 49 Only when internal pattern is not available Color Analyzer Matrix should be calibrated using CS 1000 6 1 3 Equipment connection MAP 6 1 4 Adjustment Co...

Page 11: ...ould be within 10cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status during 5 Minutes In case of LCD Back light on should be checked using no signal or Full white pattern 6 1 6 Reference White Balance Adj coordinate and color temperature Luminance 204 Gray 80IRE LGD Module over 26inch Standard color coordinate and temperature using CA 210 CH 14...

Page 12: ...to Stand by mode 7 GND and HI POT Test 7 1 GND HI POT auto check preparation 1 Check the POWER CABLE and SIGNAL CABE insertion condition 7 2 GND HI POT auto check 1 Pallet moves in the station POWER CORD AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 GND Test Auto If Test is failed Buzzer operates If Test is passed execute next process Hi pot test Remove A V CO...

Page 13: ...idn t have a DTV ATV test on production line After downloading TOOL OPTION setting is needed again 1 Push IN START key in service remote controller 2 Select Tool Option 1 and Push OK button 3 Punch in the number Each model has their number 10 Conditions ST_BY Consumption Power Have to turn off ST_BY Light USA 110V 60Hz KOREA 220V 60Hz Menu Option Power Indicator ST_BY Light OFF 11 Test factor for ...

Page 14: ...not Sine wave with 1KHz will be displayed 3 Check Both of the signal in speaker only Power Fived 1W Default Check the input signal 1KHZ Sine wave and the wave of output by utilizing oscilloscope 13 LAN Main board Check 13 1 Overview It is LNET RF modem FTG card 13 2 Equipment 1 b_LAN Checker UTC 1000 with Cable accessory 2 Computer for test result monitoring 3 Connection JIG 13 3 Equipment connect...

Page 15: ... RJ21 TV LINK CFG Phone Jack UTC 1000 RF1 b_LAN RF IN 2 Power on JIG Switch on front of the JIG 3 Test Start UTC 1000 TOP2 JIG 11pin Connection 4 Checking b LAN MAC Address Check whether it is same their address numbers or not between B LAN Label and on the pc address numbers Checking JIG contents 1 Check whether displaying all Pass or not at the number 3 4 6 7 9 contents of UTC 1000 on the PC 2 C...

Page 16: ...ignal OK N Replace Power Board Check Q409 application circuit Or replace Q409 N Replace Cable N No OSD Trouble Shooting guide Check P401 All Voltage Level 3 5V 12V 24V Y N Check IC5002 RESET and UPDATE pin Y Check X5000 Clock 32 768MHz Y Check IC5002 IIC Communication status Y Check IR input state of IC5002 57pin Y Re download PTC Micom Check power connector and RL_ON signal OK N Replace Power Boa...

Page 17: ...alog RF Video Trouble Shooting guide Check RF cable signal Y Check TU3001 Pin7 Video output Y Check tuner 5V power L3000 Y Check tuner 3 3V power L3001 Y Check tuner 1 8V power IC3000 2pin 1 8V Y Check Mstar LVDS output Replace Tuner N Check IC5000 Replace L3001 Replace IC3000 N N N Replace IC101 N Replace IC5000 N Y ...

Page 18: ...rvice purposes Digital RF Trouble Shooting guide Check RF cable signal Check tuner 5V power L3000 Y Check IIC Signal TU3001 Pin 3 4 Y Check DIF Signal TU3001 Pin 10 11 Y Check X201 and application circuit Check IC5000 Replace TU3001 Replace TU3001 N N N Replace IC101 N Replace IC5000 N Y Replace X201 ...

Page 19: ... troubles After checking thoroughly all path once again You should decide to replace Mstar or not Replace JK1700 N HDMI Video Trouble Shooting guide Check input signal format Is it supported Y Check AC cable for damage For damage or open conductor Y Check JK800 JK801 JK802 Can you see the normal waveform Y Check HDCP key NVRAM IC103 Power I2C signal Y Check the input of Mstar IC101 Measure wavefor...

Page 20: ...easure waveform at R4025 R4042 because it s more easy to check Can you see the normal waveform Y This board has big problem because Main chip Mstar have some troubles After checking thoroughly all path once again You should decide to replace Mstar or not Replace P900 N Analog RF Audio Trouble Shooting guide Check RF cable signal Check TU3001 Pin1 SIF output Y Check Audio AMP output L503 L504 L505 ...

Page 21: ...veform Y This board has big problem because Main chip Mstar have some troubles After checking thoroughly all path once again You should decide to replace Mstar or not Replace JK1700 P800 N Check Audio AMP output L503 L504 L505 L506 Replace L503 L504 L505 L506 N Y Check input signal format Is it supported Y Check AC cable for damage For damage or open conductor Y Check JK800 JK801 JK802 Can you see...

Page 22: ...S RE WE RX TX Micom MSP430F5419IPZR IC5002 24MHz JACK PACK JACK PACK at REAR at REAR SCL SDA_3 3V RF S7LR LGE2111A TE IC101 RS 232C SVC S W Reset EXT_OUT I2C SCL SDA S_FLASH 8M bit MX25L8006EM2I 12G IC200 Power AMP TPA6011A4PWPRG4 IC1800 JK1801 JK1800 RJP_CTRL JK5000 Pro Idom LGDT1001 IC1209 TS_CLK VALID SYNC 0 7 PM_TS_CLK VALID SYNC 0 7 TMMB H002F B LAN TV link CFG Game control TV link CFG Game c...

Page 23: ...e 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 manufacturer IMPORTANT SAFETY NOTICE 300 200 510 500 120 530 550 810 521 800 LV1 400 910 900 540 Set S...

Page 24: ...PIO104 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 AD21 PCMIRQA_N GPIO105 AC20 PCMCD_N GPIO130 Y18 PCMWAIT_N GPIO100 Y21 PCM_RESET GPIO129 Y22 PCM2_CE_N GPIO131 U21 PCM2_IRQA_N GPIO132 V21 PCM2_CD_N GPIO135 R20 PCM2_WAIT_N GPIO133 T20 PCM2_RESET GPIO134 U22 UART1_TX G...

Page 25: ...6 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 IP AC3 IM AE3...

Page 26: ...1 10W 1 21K 1 R447 PD_ 12V RL_ON 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 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 8 2K 1 R482 POWER_ 24V 0 1uF 50V C418 0 POWER_18_A_DIM R451 3K PANEL_DISCHARGE_RES R407 1 100pF 50V C439 3 5V_ST 0 1 u F 16V C475 3 5V_ST 10K R426 100 R402 10K ...

Page 27: ...ENSOR_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 18p...

Page 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 ...

Page 29: ...806 D1 _HDMI2 DDC_SCL_1 CK _HDMI4 JP806 EAG59023302 JK802 HDMI_1 14 13 5 D1_GND 20 SHIELD 12 11 2 D2_GND 19 18 10 CK 4 D1 1 D2 17 9 D0 8 D0_GND 3 D2 16 7 D0 6 D1 15 CK _HDMI2 SI1012CR T1 GE3 Q806 OPT S D G 0 1uF 16V C805 OPT 5V_DET_HDMI_1 GND 10K R830 D0 _HDMI2 CK _HDMI1 0 1uF 16V C802 D1 _HDMI1 DDC_SDA_4 AVRL161A1R1NT OPT D803 0 R841 1K R897 68K OPT R857 10K R807 1K R895 2SC3052 Q802 E B C D1 _HD...

Page 30: ...SUB_B 10K R1146 75 R1133 30V D1112 1K R1147 22 R1143 5V_Normal 75 R1137 RGB_DDC_SCL 68pF 50V OPT C1126 18pF 50V C1127 75 R1135 22 R1141 5 6V OPT D1116 30V D1109 SPG09 DB 010 JK1104 1 RED 2 GREEN 3 BLUE 4 GND_1 5 DDC_GND 6 RED_GND 7 GREEN_GND 8 BLUE_GND 9 NC 10 SYNC_GND 11 GND_2 12 DDC_DATA 13 H_SYNC 14 V_SYNC 15 DDC_CLOCK 16 SHILED DSUB_G 5 6V D1117 OPT ENKMC2838 T112 D1115 A1 C A2 DSUB_R DSUB_VSY...

Page 31: ...OUT R55 EXT_PWR_DET EXT_12V 1K POWER_OUT R66 0 1uF 50V PSU_POWER_OUT C53 43 POWER_OUT R65 1 16W 270K 1 PSU_POWER_OUT R56 1K POWER_OUT R63 10K POWER_OUT R68 0 1uF C1102 18K PSU_POWER_OUT R50 0 1uF 50V PSU_POWER_OUT C51 24V 3 5V_ST 3 5V_ST 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 22 PSU_POWER_OUT R54 0 1u...

Page 32: ...R_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 L7...

Page 33: ...2 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 AP...

Page 34: ...CK 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 ...

Page 35: ...V_TU AP1117EG 13 HALF_NIM_1 2V_DIODES IC3703 1 ADJ GND OUT IN 3 3V_TU 3 3V_TU MLG1005SR27JT R3735 1 TU_I2C_FILTER 18pF 50V C3713 TU_I2C_NON_FILTER 20pF 50V C3711 1 TU_I2C_FILTER 1K OPT R3750 1 2K R3740 TU_IIC_ATSC_SANYO 470 R3755 BUFFER 0 1uF 16V C3702 33 R3736 TU_I2C_NON_FILTER 1K R3741 1 TU_IIC_NON_ATSC_SANYO 1 2K R3741 TU_IIC_ATSC_SANYO 3 3V_TU TU_SIF 3 3V_Normal 20pF 50V C3743 TU_I2C_FILTER 10...

Page 36: ...PVDD2_2 24 PVDD2_3 25 OUT2A_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 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 R...

Page 37: ...618 220pF 50V OPT C1648 AV_CVBS_DET 22 EU_OPT R1627 75 EU_OPT R1616 BLM18PG121SN1D EU_OPT L1602 SCART1_Rout 15K EU_OPT R1623 10uF 16V EU_OPT C1645 SC1_B COMP1_Pb AV_R_IN 10K EU_OPT R1668 SC1 COMP1_DET SC1_R COMP1_Pr 30V D1605 0 1uF EU_OPT C1636 75 R1605 3 3V_Normal 5 6V OPT D1608 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 1000p...

Page 38: ...ormal 51K R1827 EXT_SPK 100 R1828 EXT_SPK 4 7K R1836 EXT_SPK 0 1uF 16V C1837 EXT_SPK EXT_OUT_L 17 Y27 THERMAL TS4962 IC1800 EXT_SPK 3 IN 2 NC 4 IN 1 STBY 5 OUT 6 VCC 7 GND 8 OUT 9 EP GND 0 R1843 EXT_SPK 15 R1838 EXT_SPK PNP Q1801 EXT_SPK E B C 1 5K R1839 EXT_SPK 15 R1837 EXT_SPK EXT_R_AMP_IN 11 U22 15pF 50V C1833 EXT_SPK 0 R1842 EXT_SPK EXT_L_AMP_IN 11 U22 15pF 50V C1834 EXT_SPK 1 5K R1840 EXT_SPK...

Page 39: ...01 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 ...

Page 40: ... BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC MDL61930001 6 5T_GAS5 GAS5 MDL61930001 GAS3 6 5T_GAS3 MDL61930001 6 5T_GAS6 GAS6 MDL61930001 6 5T_GAS2 GAS2 MDL61930001 6 5T_GAS1 GAS1 MDL61930001 6 5T_GAS7 GAS7 MDL61930001 6 5T_GAS4 GAS4 SMD_GAS 20110324 20 GP3_S7LR SMD GASKET Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE ...

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