manualshive.com logo in svg

LG 50PK760, Service Manual

The LG 50PK760 is a high-quality television that offers stunning picture quality and immersive audio. To optimize your experience, make sure to download the free Service Manual from 88.208.23.73:8080 to access detailed instructions and troubleshooting tips. This manual will assist you in maximizing the full potential of your LG 50PK760.

Share
Download
background image

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.

BCM VIDEO IN/BCM POWER

3  13

BCM3556-C0

10/01/

GND

R332

0

READY

SPDIF_OUT009:D6

R318

10K

D3.3V

10K

R354

R331

34

READY

C334

0.1uF

C3001
4.7uF

A2.5V

D1.8V

IC100

LGE3556C (C0 VERSION) 

DS_AGCI_CTL

AG28

DS_AGCT_CTL

AH28

EDSAFE_AVSS_1

AA21

EDSAFE_AVSS_2

AB22

EDSAFE_AVSS_3

AF26

EDSAFE_AVSS_4

AF27

EDSAFE_AVSS_5

AF28

EDSAFE_AVDD2P5

AG27

EDSAFE_DVDD1P2

AE26

EDSAFE_IF_N

AE28

EDSAFE_IF_P

AE27

PLL_DS_AGND

AD24

PLL_DS_AVDD1P2

AB19

PLL_DS_TESTOUT

AB25

SD_V5_AVDD1P2

AB18

SD_V5_AVDD2P5

AC17

SD_V5_AVSS

AB17

SD_V1_AVDD1P2

AD14

SD_V1_AVDD2P5

AD16

SD_V1_AVSS_1

AB15

SD_V1_AVSS_2

AC15

SD_V2_AVDD1P2

AD13

SD_V2_AVDD2P5

AE13

SD_V2_AVSS_1

AC13

SD_V2_AVSS_2

AB14

SD_V2_AVSS_3

AC14

SD_V3_AVDD1P2

AC12

SD_V3_AVDD2P5

AD12

SD_V3_AVSS_1

AB13

SD_V3_AVSS_2

AA14

SD_V4_AVDD1P2

AC11

SD_V4_AVDD2P5

AD11

SD_V4_AVSS

AB12

SD_R

AD10

SD_INCM_R

AC10

SD_G

AE9

SD_INCM_G

AF9

SD_B

AH9

SD_INCM_B

AG9

SD_Y1

AG15

SD_PR1

AE15

SD_PB1

AF15

SD_INCM_COMP1

AH15

SD_Y2

AG16

SD_PR2

AF16

SD_PB2

AH17

SD_INCM_COMP2

AH16

SD_Y3

AG14

SD_PR3

AE14

SD_PB3

AF14

SD_INCM_COMP3

AH14

SD_L1

AH10

SD_C1

AG10

SD_INCM_LC1

AE10

SD_L2

AE11

SD_C2

AF11

SD_INCM_LC2

AH11

SD_L3

AH13

SD_C3

AE12

SD_INCM_LC3

AF12

SD_CVBS1

AD9

SD_CVBS2

AG11

SD_CVBS3

AG12

SD_CVBS4

AF13

SD_INCM_CVBS1

AC9

SD_INCM_CVBS2

AF10

SD_INCM_CVBS3

AH12

SD_INCM_CVBS4

AG13

SD_SIF1

AF17

SD_INCM_SIF1

AG17

SD_FB

AD15

SD_FS

AE16

SD_FS2

AE17

PLL_VAFE_AVDD1P2

AB16

PLL_VAFE_AVSS

AA15

PLL_VAFE_TESTOUT

AC16

RGB_HSYNC

AG3

RGB_VSYNC

AF4

I2S_CLK_IN

AE18

I2S_CLK_OUT

AF18

I2S_DATA_IN

AD17

I2S_DATA_OUT

AH19

I2S_LR_IN

AD18

I2S_LR_OUT

AG18

AUD_LEFT0_N

AG26

AUD_LEFT0_P

AH26

AUD_AVDD2P5_0

AF23

AUD_AVSS_0_1

AA20

AUD_AVSS_0_2

AB21

AUD_AVSS_0_3

AC22

AUD_AVSS_0_4

AC23

AUD_AVSS_0_5

AD23

AUD_RIGHT0_N

AH25

AUD_RIGHT0_P

AG25

AUD_LEFT1_N

AH23

AUD_LEFT1_P

AG23

AUD_RIGHT1_N

AG24

AUD_RIGHT1_P

AH24

AUD_AVDD2P5_1

AE22

AUD_AVSS_1_1

AB20

AUD_AVSS_1_2

AC21

AUD_AVSS_1_3

AE23

AUD_LEFT2_N

AF21

AUD_LEFT2_P

AE21

AUD_RIGHT2_N

AF22

AUD_RIGHT2_P

AG22

AUD_AVDD2P5_2

AD21

AUD_AVSS_2_1

AC20

AUD_AVSS_2_2

AD22

AUD_SPDIF

AH2

SPDIF_AVDD2P5

AC6

SPDIF_AVSS

AE4

SPDIF_IN_N

AF3

SPDIF_IN_P

AH1

HDMI_RX_0_CEC_DAT

AG1

HDMI_RX_0_HTPLG_IN

AA6

HDMI_RX_0_HTPLG_OUT

AA5

HDMI_RX_0_DDC_SCL

AB3

HDMI_RX_0_DDC_SDA

Y6

HDMI_RX_0_RESREF

AC4

HDMI_RX_0_CLK_N

AC1

HDMI_RX_0_CLK_P

AC2

HDMI_RX_0_DATA0_N

AD1

HDMI_RX_0_DATA0_P

AD2

HDMI_RX_0_DATA1_N

AE1

HDMI_RX_0_DATA1_P

AE2

HDMI_RX_0_DATA2_N

AF1

HDMI_RX_0_DATA2_P

AF2

HDMI_RX_0_VDD3P3

AD3

HDMI_RX_0_VDD1P2

AE3

HDMI_RX_0_VDD2P5

AC3

HDMI_RX_0_AVSS_1

AD4

HDMI_RX_0_AVSS_2

AB5

HDMI_RX_0_AVSS_3

AB6

HDMI_RX_0_AVSS_4

AG2

HDMI_RX_0_AVSS_5

AB4

HDMI_RX_0_AVSS_6

AA7

HDMI_RX_0_PLL_AVSS

Y8

HDMI_RX_0_PLL_DVDD1P2

AC5

HDMI_RX_0_PLL_DVSS

W8

HDMI_RX_1_CEC_DAT

AA3

HDMI_RX_1_HTPLG_IN

V4

HDMI_RX_1_HTPLG_OUT

U6

HDMI_RX_1_DDC_SCL

V5

HDMI_RX_1_DDC_SDA

V3

HDMI_RX_1_RESREF

W4

HDMI_RX_1_CLK_N

W2

HDMI_RX_1_CLK_P

W3

HDMI_RX_1_DATA0_N

Y1

HDMI_RX_1_DATA0_P

Y2

HDMI_RX_1_DATA1_N

AA2

HDMI_RX_1_DATA1_P

AA1

HDMI_RX_1_DATA2_N

AB2

HDMI_RX_1_DATA2_P

AB1

HDMI_RX_1_VDD3P3

Y3

HDMI_RX_1_VDD1P2

Y4

HDMI_RX_1_VDD2P5

W5

HDMI_RX_1_AVSS_1

W1

HDMI_RX_1_AVSS_2

U5

HDMI_RX_1_AVSS_3

W6

HDMI_RX_1_AVSS_4

U7

HDMI_RX_1_AVSS_5

V7

HDMI_RX_1_AVSS_6

W7

HDMI_RX_1_AVSS_7

U8

HDMI_RX_1_AVSS_8

V8

HDMI_RX_1_AVSS_9

Y5

HDMI_RX_1_PLL_AVSS

V6

HDMI_RX_1_PLL_DVDD1P2

AA4

HDMI_RX_1_PLL_DVSS

Y7

R350

10K

R351

10K

IC100

LGE3556C (C0 VERSION) 

DVSS_1

AD5

DVSS_2

AD6

DVSS_3

J7

DVSS_4

K7

DVSS_5

L7

DVSS_6

M7

DVSS_7

AB7

DVSS_8

AC7

DVSS_9

G8

DVSS_10

D9

DVSS_11

AA9

DVSS_12

G10

DVSS_13

A11

DVSS_14

L11

DVSS_15

M11

DVSS_16

N11

DVSS_17

P11

DVSS_18

R11

DVSS_19

T11

DVSS_20

U11

DVSS_21

V11

DVSS_22

D12

DVSS_23

G12

DVSS_24

L12

DVSS_25

M12

DVSS_26

N12

DVSS_27

P12

DVSS_28

R12

DVSS_29

T12

DVSS_30

U12

DVSS_31

V12

DVSS_32

L13

DVSS_33

M13

DVSS_34

N13

DVSS_35

P13

DVSS_36

R13

DVSS_37

T13

DVSS_38

U13

DVSS_39

V13

DVSS_40

G14

DVSS_41

L14

DVSS_42

M14

DVSS_43

N14

DVSS_44

P14

DVSS_45

R14

DVSS_46

T14

DVSS_47

U14

DVSS_48

V14

DVSS_49

L15

DVSS_50

M15

DVSS_51

N15

DVSS_52

P15

DVSS_53

R15

DVSS_54

T15

DVSS_55

U15

DVSS_56

V15

DVSS_57

A16

DVSS_58

G16

DVSS_59

L16

DVSS_60

M16

DVSS_61

N16

DVSS_62

P16

DVSS_63

R16

DVSS_64

T16

DVSS_65

U16

DVSS_66

V16

DVSS_67

AA16

DVSS_68

D17

DVSS_69

L17

DVSS_70

M17

DVSS_71

N17

DVSS_72

P17

DVSS_73

R17

DVSS_74

T17

DVSS_75

U17

DVSS_76

V17

DVSS_77

AA17

DVSS_78

AC19

DVSS_79

G18

DVSS_80

L18

DVSS_81

M18

DVSS_82

N18

DVSS_83

P18

DVSS_84

R18

DVSS_85

T18

DVSS_86

U18

DVSS_87

V18

DVSS_88

D20

DVSS_89

G20

DVSS_90

H20

DVSS_91

A21

DVSS_92

E21

DVSS_93

F21

DVSS_94

G21

DVSS_95

E22

DVSS_96

F22

DVSS_97

G22

DVSS_98

H22

DVSS_99

J22

DVSS_100

K22

DVSS_101

L22

DVSS_102

M22

DVSS_103

N22

DVSS_104

P22

DVSS_105

R22

DVSS_106

T22

DVSS_107

U22

DVSS_108

V22

DVSS_109

W22

DVSS_110

Y22

DVSS_111

AA22

DVSS_112

W23

DVSS_113

AB23

DVSS_114

F28

DVSS_115

M28

DVSS_116

T28

DVSS_117

AC28

C319
4.7uF

C3030
0.01uF

C308

10pF

READY

C312
1000pF

COMP_Y

C342

0.1uF

R329

75 READY

C307
0.1uF

C339

0.1uF

C3027
1000pF

HDMI0_RXC-_BCM

008:AA19

R328

75

READY

A2.5V

C3052
0.1uF

16V

C3046
0.1uF

16V

C3009
1000pF

C3016
4.7uF

C3047
0.1uF

SC1_G

A3.3V

C3022
0.01uF

R346

499

A1.2V

SC1_FB

R338

0

READY

R353

10K

SC1_R

C344

0.1uF

C304

10pF

READY

HD_BCM

008:AC19

C315

0.01uF

READY

C370
0.1uF

C3000
0.1uF

C314
4.7uF

COMP_Pb

A1.2V

R363

20

C3044
0.1uF

A1.2V

A2.5V

DSUB_R

009:G4

C3014
1000pF

HD_BCM

008:AD19

C316

0.01uF

READY

R301

75

C357
1000pF

R327

75 READY

R334

0

READY

C3026
0.01uF

C3041
0.1uF

16V

C3028
4.7uF

C355
4.7uF

C3029
0.01uF

A2.5V

R317

75

R342

0

READY

R324

75

C313
0.01uF

C303

10pF

READY

R337

0

READY

R347

0

READY

C3056
4.7uF

L305

BLM18PG121SN1D

C3005

10uF

C3023
0.01uF

R349

0

READY

R340

0

READY

C309

0.1uF

C3037
0.1uF

16V

C346

0.1uF

READY

D1.8V

R345

10K

AUD_LRCK

R321

10K

AUD_LRCH

C367
0.1uF

C3060
33uF

C375

10uF

C372

10uF

R319

12K

C3054
0.01uF

C301

0.1uF

HDMI_SCL

008:AA19

R320

75

L307

BLM18PG121SN1D

C3061
0.1uF

16V

RGB_VSYNC

C3039
1000pF

R

3

2

5

7

5

L303

BLM18PG121SN1D

R343

499

READY

L302
BLM18PG121SN1D

A2.5V

A1.2V

C3031
1000pF

HDMI_SDA

008:AA19

C3012
0.1uF

C3015
1000pF

D3.3V

C310
4.7uF

C323

0.1uF

READY

C3033
0.01uF

C3034
0.01uF

COMP_Pr

C3032
0.1uF

R333

0

READY

C3051
1000pF

R344
1K

C373

10uF

HDMI0_RX0-_BCM

008:AB19

DSUB_G

009:G4

C350
0.1uF

HD_BCM

008:AB19

R339

0

READY

R303

75

C3018
0.01uF

RGB_HSYNC

TU_SIF

C354
0.1uF

C363
0.1uF

C365
0.01uF

C332

0.1uF

A2.5V

C3024
4.7uF

L300

BLM18PG121SN1D

C3007
33uF

C3011
1000pF

C340

0.1uF

C3059

10uF

C3019
1000pF

SCART1_Rout_P

R326

75

READY

HDMI0_RX2-_BCM

008:AC19

C343

0.1uF

A2.5V

C3017
1000pF

C317

0.1uF

A3.3V

C327

0.1uF

C362
0.1uF

SC1_B

D3.3V

C369
0.1uF

C3043

10uF

10V

R322

12K

D1.2V

A1.2V

C352
1000pF

AUD_SCK

C360
0.01uF

R336

0

READY

L304

BLM18PG121SN1D

C311

0.1uF

C3050
4.7uF

L308

BLM18PG121SN1D

C3058
0.1uF

16V

C336

0.1uF

C359
0.01uF

C3055
0.1uF

16V

C305

10pF

READY

IC100

LGE3556C (C0 VERSION) 

VDDC_1

H8

VDDC_2

J8

VDDC_3

K8

VDDC_4

L8

VDDC_5

M8

VDDC_6

N8

VDDC_7

P8

VDDC_8

R8

VDDC_9

AA8

VDDC_10

H9

VDDC_11

H10

VDDC_12

H11

VDDC_13

H12

VDDC_14

H13

VDDC_15

H14

VDDC_16

H15

VDDC_17

H16

VDDC_18

H17

VDDC_19

H18

VDDC_20

H19

VDDC_21

H21

VDDC_22

J21

VDDC_23

K21

VDDC_24

L21

VDDC_25

M21

VDDC_26

N21

VDDC_27

P21

VDDC_28

R21

VDDC_29

T21

VDDC_30

U21

VDDC_31

V21

VDDC_32

W21

VDDC_33

Y21

AGC_VDDO

AH27

VDDO_1

AA12

VDDO_2

AA13

VDDO_3

AA18

VDDO_4

AA19

VDDO_5

E28

VDDO_6

L28

VDDO_7

U28

VDDO_8

AB28

DDRV_1

A9

DDRV_2

G9

DDRV_3

G11

DDRV_4

G13

DDRV_5

A14

DDRV_6

G15

DDRV_7

G17

DDRV_8

A19

DDRV_9

G19

C3049
0.1uF

16V

C320
0.01uF

C325

0.1uF

C389

0.1uF

A1.2V

A2.5V

C368
0.1uF

C374

10uF

C347

0.1uF

C3045
0.1uF

L301

BLM18PG121SN1D

C3048
4.7uF

C3010
0.01uF

D1.8V

C378
0.1uF
16V

L306

BLM18PG121SN1D

C3020
1000pF

HD_BCM

008:AB19

R341

0

READY

C338

0.1uF

C322

0.1uF

R335

0

READY

C3021
0.1uF

C3035
0.1uF

16V

C306

0.1uF

C356
0.01uF

R348

0

READY

C361
0.01uF

R305

75

D1.2V

C326

0.1uF

SC1_ID

C3002
1000pF

C300

10pF

READY

SCART1_Lout_P

C302

0.1uF

C3053
4.7uF

C3040
0.1uF

C3004
0.1uF

TU_CVBS

C3013
0.1uF

C321

0.1uF

C318
1000pF

C3038
0.1uF

D1.2V

SC1_CVBS_IN

R

3

2

3

7

5

C351
4.7uF

R

3

3

0

7

5

C3036
4.7uF

D1.8V

C3006

10uF

DSUB_B

009:G5

C3003
0.01uF

C3025
0.1uF

C3057
0.1uF

A3.3V

C3042
0.01uF

C324

0.1uF

C364

10uF

HDMI0_RX1-_BCM

008:AC19

C333

0.1uF

C335

0.1uF

C337

0.1uF

C341

0.1uF

C345

0.1uF

R314

34

R316

34

R315

34

R300

34

R307

34

C328

0.1uF

C329

0.1uF

C330

0.1uF

C331

0.1uF

R312

34

R313

34

R310

34

R311

34

AV_CVBS_IN

R357

0

READY

R358

0

READY

SCART1_Lout_N

SCART1_Rout_N

+5V_MULTI

R306

240

R304

120

R309

12

R359

12

R362
62

R364
62

R366

0

READY

R365

0

READY

R355

22

R356

22

R352

0

D3.3V

R308

18

R360
75

SC1_RGB

CVBS

DSUB

COMPONENT

CONNECT NEAR BCM CHIP

CVBS INCM-TP 
PLACE NEAR JACKS

SC RGB INCM-TP 
PLACE NEAR JACKS

COMP INCM-TP 
PLACE NEAR JACKS

DSUB RGB INCM-TP 
PLACE NEAR JACKS

Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes

LGE Internal Use Only

Summary of Contents for 50PK760

Page 1: ...ETY PRECAUTIONS IN THIS MANUAL CHASSIS PD02A MODEL 50PK760 50PK760 ZC MODEL 50PK760N 50PK760N ZC North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL62861606 1003 REV00 ...

Page 2: ...nly Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 10 EXPLODED VIEW 11 SVC SHEET ...

Page 3: ...t s Neck 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 metallic parts such as antenna terminals phone jacks etc If the exposed met...

Page 4: ... 1 50 FHD No Item Specification Remark 1 Display Screen Device 127 cm 50 inch wide Color Display Module PDP 2 Aspect Ratio 16 9 3 PDP Module PDP50R1 RGB Closed Well Type Glass Filter 38 Pixel Format 1920 horiz By 1080 ver 4 Operating Environment 1 Temp 0 deg 40 deg 2 Humidity 20 80 5 Storage Environment 3 Temp 20 deg 60 deg LGE SPEC 4 Humidity 10 90 6 Input Voltage AC 100 V 240 V 50 60 Hz Maker LG...

Page 5: ...casting system 1 PAL SECAM BG EU PAL Market 2 PAL SECAM DK 3 PAL Ⅰ Ⅱ 4 SECAM L L 5 DVB T 6 DVB C DVB C only Sweden Finland 3 Receiving system Analog Upper Heterodyne Digital COFDM 4 Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT Analog MNT OUT 5 Video Input 1EA PAL SECAM NTSC Side AV 6 Component Input 1EA Y Cb Cr Y Pb Pr 7 RGB Input RGB PC Analog D Sub 15Pin 8 HDMI Input 4E...

Page 6: ... Full White in HEAT RUN Mode the receiver must be operated prior to the adjustment O Enter into HEAT RUN MODE 1 Press the POWER ON KEY on R C for adjustment 2 OSD display and screen display PATTERN MODE Set is activated HEAT run without signal generator in this mode Single color pattern WHITE of HEAT RUN MODE uses to check panel Caution If you turn on a still screen more than 20 minutes Especially...

Page 7: ...Resolution 1080i MODEL 225 in Pattern Generator 1080P Mode PATTERN 65 in Pattern Generator MSPG 925 SERISE 3 4 Insert Tool OPTION 1 Press ADJ key on R C to insert Tool OPTION 2 On the Tool Option Insert Tool Option by a number key 3 Press the ENTER V 4 Press ENTER V again 5 Select OK to Download by using F G VOL and press G VOL FOR EU FOR France 3 5 EDID The Extended Display Identification Data do...

Page 8: ... C Baud rate 115200 bps V Connect RS232 Signal Cable to RS 232 Jack V Write Serial number by use RS 232 V Must check the serial number at the Diagnostics of SET UP menu Refer to below 6 SET INFORMATION 4 3 Adjustment of White Balance Required Equipment O Remote controller for adjustment O Color Analyzer CS 1000 CA 100 100 CA 210 or same produc CH 10 PDP Please adjust CA 210 CA 100 by CS 1000 befor...

Page 9: ...OK Sensor DATA 0 4095 Power Saving Mode 0 12 IF you press IN STAP Button change Green Eye check OSD 4 6 Ping TEST This test is to check Network operation 1 Connect LAN cable from Computer to TV Set 2 When network operates normally you can see OK on Computer 5 Set Information Serial No Model name 5 1 Check the serial number Model Name 1 Push the menu button and press red button on R C to enter Cust...

Page 10: ... 10 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 11: ...10 Many 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 o...

Page 12: ...PIO_07 K2 EBI_ADDR3 J23 EBI_ADDR4 J24 EBI_ADDR2 H25 EBI_ADDR1 H24 EBI_ADDR0 H23 EBI_ADDR5 J25 EBI_ADDR6 F26 EBI_ADDR8 H28 EBI_ADDR9 J26 EBI_ADDR13 H27 EBI_ADDR12 G26 EBI_ADDR11 J27 EBI_ADDR10 J28 EBI_ADDR7 F27 EBI_TAB G24 EBI_WE1B H26 EBI_CLK_IN G27 EBI_CLK_OUT G28 EBI_RWB K23 EBI_CS0B G25 NAND_DATA0 U24 NAND_DATA1 T26 NAND_DATA2 T27 NAND_DATA3 U26 NAND_DATA4 U27 NAND_DATA5 V26 NAND_DATA6 V27 NAND...

Page 13: ... AE24 BYP_SYS175_CLK AD25 R220 51 EPHY_TDN R209 51 C246 10uF READY C231 4 7uF C257 4 7uF 3 3V_MULTI C223 4 7uF C259 0 1uF L201 BLM18PG121SN1D R249 22 A3 3V R248 22 C224 0 1uF C233 0 01uF EPHY_RDP C241 0 1uF A2 5V R237 1K P200 TJC2508 4A FOR DEBUG 1 2 3 4 COMP_L_IN C236 0 1uF C263 12pF R214 51 C260 4 7uF C234 0 1uF C258 0 1uF R228 120 PC_L_IN A2 5V COMP_R_IN R239 390 READY A1 2V C239 4 7uF R229 0 R...

Page 14: ...DVSS_68 D17 DVSS_69 L17 DVSS_70 M17 DVSS_71 N17 DVSS_72 P17 DVSS_73 R17 DVSS_74 T17 DVSS_75 U17 DVSS_76 V17 DVSS_77 AA17 DVSS_78 AC19 DVSS_79 G18 DVSS_80 L18 DVSS_81 M18 DVSS_82 N18 DVSS_83 P18 DVSS_84 R18 DVSS_85 T18 DVSS_86 U18 DVSS_87 V18 DVSS_88 D20 DVSS_89 G20 DVSS_90 H20 DVSS_91 A21 DVSS_92 E21 DVSS_93 F21 DVSS_94 G21 DVSS_95 E22 DVSS_96 F22 DVSS_97 G22 DVSS_98 H22 DVSS_99 J22 DVSS_100 K22 D...

Page 15: ... 047uF C418 1uF DDR01_BA0 DDR01_A 0 3 7 13 DDR1_DQS0 004 A4 DDR01_CASb C457 10uF C458 0 1uF D1 8V DDR01_BA2 DDR01_ODT C428 22uF DDR01_CASb D1 8V DDR01_BA1 DDR01_WEb DDR01_BA1 DDR1_A 4 6 004 B6 004 F3 004 I7 DDR0_CLKb 004 A7 004 C4 DDR0_DQS0b 004 A4 DDR01_BA0 DDR01_WEb D1 8V DDR1_DQS1 004 H3 C430 0 1uF C465 0 1uF DDR0_CLK 004 A7 004 C4 R413 75 C473 0 1uF C452 0 047uF C442 470pF C407 0 1uF 16V DDR0_...

Page 16: ...16V A3 3V L509 MLB 201209 0120P N2 0LCML00003B A2 5V IC505 AZ1085S 3 3TR E1 0IPMG78341A 1 ADJ GND 2 OUTPUT 3 INPUT R531 910 1 R532 66 5 1 R533 1K 1 IC503 AZ1085S ADJTR E1 0IPMG78346A 1 ADJ GND 2 OUTPUT 3 INPUT L516 MLB 201209 0120P N2 0LCML00003B L504 MLB 201209 0120P N2 0LCML00003B P500 SMAW200 H18S1 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 15 10 5 19 D1 2V C524 0 1uF C530 22uF C557 22uF 16V L507 2uH...

Page 17: ... GND R600 0 READY R649 470 1 10W A1 2V A2 5V R605 0 READY 3 3V_MULTI 3 3V_TU L602 BLM18PG121SN1D C618 0 1uF 16V C620 22uF 10V L603 BLM18PG121SN1D READY L601 BLM18PG121SN1D C613 100uF 16V L609 BLM18PG121SN1D READY Q605 ISA1530AC1 E B C ATV_OUT 5V_TU C699 100uF 16V R643 200 1 8W R645 200 1 8W C609 100uF 16V TU601 TDFR G135D NIM TUNER 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC RF_AGC 5 AS 6 SCL A_DEMOD 7 ...

Page 18: ...3 14 14 TV_ROUT 2SC3052 Q705 C745 33pF R729 2K 1 16W 5 R720 2K R706 2K READY R727 2K 1 16W 5 R719 2K R700 0 READY R705 0 R710 0 READY 1 16W 5 R702 1K R714 22K R703 22K R708 33 R704 33 R707 33 R724 33K R723 33K R722 5 6K R721 5 6K R726 10K R725 10K C704 0 01uF R742 22pF READY C703 0 1uF C700 1000pF 50V READY C748 22pF READY C747 22pF READY C750 22pF READY C702 1000pF READY C707 33pF READY C706 33pF...

Page 19: ... D1 _HDMI1 D1 _HDMI1 CK _HDMI1 D0 _HDMI1 CK _HDMI1 D2 _HDMI1 DDC_SCL_3 DDC_SDA_3 DDC_SCL_4 DDC_SDA_4 DDC_SDA_3 DDC_SCL_3 D2 _HDMI2 D2 _HDMI2 D0 _HDMI2 D0 _HDMI2 D1 _HDMI2 D1 _HDMI2 CK _HDMI2 CK _HDMI2 CK _HDMI3 D1 _HDMI3 D0 _HDMI3 D2 _HDMI3 CK _HDMI3 D0 _HDMI3 D1 _HDMI3 D2 _HDMI3 L800 BLM18PG121SN1D 1 8V_HDMI C810 0 1uF 16V D3 3V L801 BLM18PG121SN1D 3 3V_HDMI D1 8V C822 0 1uF 16V HPD1 008 I19 CK _...

Page 20: ...ERMINAL2 5 T_SPRING 4 R_SPRING 7A B_TERMINAL1 6A T_TERMINAL1 3 E_SPRING R959 22 R953 22 5V_MULTI C928 0 1uF R961 22 READY RGB_HSYNC 003 B2 IC903 74F08D 3 Q0 2 D0B 4 D1A 1 D0A 6 Q1 5 D1B 7 GND 8 Q2 9 D2A 10 D2B 11 Q3 12 D3A 13 D3B 14 VCC RGB_VSYNC 003 B2 R960 22 READY DSUB_VSYNC DSUB_HSYNC EDID_WP R913 10K 5V_MULTI R928 47K R921 10K 3 3V_ST 3 3V_ST Q902 2SC3052 E B C R910 22 R914 47K R925 47K R912 ...

Page 21: ...R1019 1K R1037 470K SIDE_RIN SIDE_LIN R1042 12K READY R1043 12K READY R1038 470K C1013 0 1uF 16V AV_CVBS_IN SIDEAV_DET R1036 10K R1041 0 READY P_17V L1000 BLM18PG121SN1D COMP_Y DTV MNT_V_OUT ATV_OUT IC1001 NLASB3157DFT2G 3 B0 2 GND 4 A 1 B1 6 SELECT 5 VCC R1045 10K 5V_MULTI DTV_ATV_SELECT 27pF C1031 27pF C1026 27pF C1027 27pF C1004 27pF C1017 27pF C1020 L1003 CM2012FR27KT L1001 CM2012FR27KT L1002 ...

Page 22: ...Y USB1_OCD_HUB R1122 0 READY R1144 0 READY USB2_CTL_HUB USB2_OCD_HUB R1123 0 READY USB1_OCD_HUB USB1_CTL_HUB USB2_OCD_HUB USB2_CTL_HUB RST_HUB 004 E17 001 Y15 L1101 MLB 201209 0120P N2 0LCML00003B READY P1101 KJA UB 4 0004 EAG41945401 1 2 3 4 5 P1102 KJA UB 4 0004 EAG41945401 1 2 3 4 5 BT_RESET VREG_CTR IC1102 AP2191SG 13 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC IC1101 AP2191SG 13 3 IN_...

Page 23: ... WIRELESS MODEL R1210 1K WIRELESS MODEL 3 3V_ST IR_PASS R1213 4 7K WIRELESS MODEL R1226 47K C1213 0 01uF 50V WIRELESS MODEL Q1203 2SC3052 E B C WIRELESS_SCL 3 3V_MULTI L1201 BLM18PG121SN1D WIRELESS MODEL 3 3V_VA R1227 22 READY JK1201 KJA PH 3 0168 WIRELESS MODEL 14 GND_3 13 I2C_SDA 5 VCC 24V 20V 17V _5 12 I2C_SCL 11 GND_2 2 VCC 24V 20V 17V _2 19 GND_5 18 IR 10 RESET 4 VCC 24V 20V 17V _4 1 VCC 24V ...

Page 24: ...1 6 D4 5 D3 7 D5 8 D6 9 D7 10 GND 11 O7 12 O6 13 O5 14 O4 15 O3 16 O2 17 O1 18 O0 19 OE2 20 VCC 5V_CI_Vs NAND_RE 007 C3 007 E6 NAND_ALE 007 C2 007 E6 CI_CE2 016 T13 016 AJ2 CI_VS1 GP26 016 AJ3 NAND_WE 007 C2 007 E5 NAND_DATA 0 7 CI_A 0 14 007 E7 016 C13 AR1307 33 R1325 10K READY IC1301 74LVC245A 3 A1 2 A0 4 A2 1 DIR 6 A4 5 A3 7 A5 8 A6 9 A7 10 GND 11 B7 12 B6 13 B5 14 B4 15 B3 16 B2 17 B1 18 B0 19...

Page 25: ......

Page 26: ... No sound 2 3 Mal discharge Noise dark picture 3 4 Picture broken Freezing 4 5 Vertical bar Horizontal Bar 5 6 B Power Problem No Power Not turn on 6 7 Turn off Instant under watching 7 8 C Sound Problem No sound Sound distortion 8 9 E General function Problem Remote control Local switch checking 9 First of all Check whether there is SVC Bulletin in GCSC System for these model ...

Page 27: ...oltage on Power Board Control Board Check B 5V Y 1 Check Control Board LED on Crystal X101 1 8V 3V 5V FET Rom update 2 Replace Control B D SVC R C Pattern Check Sound Sound OK Y Close Y Move No Picture No sound Section Check LVDS Cable Replace Main B D Normal N Y N Move Power problem Section Normal Normal Move Power problem Section N First of all Check whether all of cable between board was insert...

Page 28: ...lose Y Check LVDS Cable Replace Main B D Normal Y N Replace Main B D Normal Check Input signal RF Cable connection SCART Cable connection HDMI Cable connection Component Cable Normal Y N Repair Replace IR B D Check Vs Va Normal Check voltage VY VSC VZB Y N Move Power problem Section Normal Y Check B Voltage on Power Board Control Board Check B 5V Normal 1 Check Control Board LED on Crystal X101 1 ...

Page 29: ...re problem Type Check voltage VY VSC Y Sus B D Normal Picture Replace Y Sus B D Normal Picture Y N 1 Check Control B D 2 Replace Board Normal Picture Check Y Drive B D Replace B D Y Close N Dark Picture Normal Picture Y Replace Module N Close 1 Check Z Sus Board 2 Replace Board Check Picture mode setting Picture Noise Normal Picture Y N Close Y N Check RF Cable Connection Check Tuner Replace Norma...

Page 30: ...ments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc SVC Bulletin Replace Main B D Check Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close Menu Setup Booster By using Digital signal level meter By using Diagnostics menu on OSD Menu Press Red Key on R C Enter Signal Test Signal strength Normal over 50 Signal Quality Normal...

Page 31: ...lace Module If Main B D doesn t cause N Y Close 1 Connector re connection 2 Eliminate foreign material on Connector N CTRL B D Control board Check connection of Connector COF TCP on CTRL B D X B D Check connection of Connector FPC on Y Drive B D 1 Connector re connection 2 Eliminate foreign material on FPC 1 Check Y Drive B D 2 Replace Board Normal Picture N Y Close Replace Module 1 Check CTRL B D...

Page 32: ...ol Normal Close Y N Y Repair Replace IR B D N Check Power cord was inserted properly Check Repair Mechanical Power switch on Local control of TV N Normal Close Y Check ST BY 5V on Power Board Normal Voltage N Normal Signal Y Check Power B D Replace Power B D Check AC DET Signal on Power B D Check RL_ON Signal on Power B D N Normal Signal Y Check Main B D Replace Main B D Check the other pin s Outp...

Page 33: ... Y Sus N Power LED Green Y Check Power B D Replace Power B D 1 Check Y Sus Z Sus Board especially Short or Open 2 Replace defective B D To check Power B D Protection Check Power Off History RCU Off Turn off Under watching Off Timer Set Off timer Function off KEY Off 2HOUR Off NO Signal Off Y N Don t appear Power Off History Move No Power problem Section This is not problem Normal operation 2010 2 ...

Page 34: ...c N Normal Sound N Y Close Y 2 Sound distortion sound drop Check Input signal Cable connection Cable open RF external HDMI SCART Normal Sound Y Close Check AVL off on Clear voiceⅡ off on Y Normal Sound N Close N Problem in all input Problem in only DTV Case 1 Problem in external input Case 2 SCART HDMI Check whether Problem happen in same output of other equipments or not By connecting same output...

Page 35: ...rating When turn off light in room Check Replace Battery of R C Check Repair Cable connection Connector solder Normal operating Check B 5V On Main B D Normal Voltage Close N N Check 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem Check IR Output signal Normal Signal N Y Repair Replace IR B D N Replace Main B D Y Y N Check R C Operation Normal operating Y Check Re...

Page 36: ... Symptom L Input Block Page Remark 1 Power Problem Power up Boot fail 1 2 Video Probelm Digital TV 2 3 Analog TV 3 4 Component 4 5 RGB D SUB 5 6 AV Scart CVBS 6 7 HDMI 7 8 Audio Problem All Input 8 9 Digital TV HDMI 9 10 Analog TV 10 11 Component AV RGB 11 12 Optical Audio 12 13 No USB All Input 13 15 Bluetooth Problem Bluetooth Problem 15 ...

Page 37: ...er connector OK Replace Power board Y N Y Check L507 Voltage Level 1 2V Replace L507 Y N Check IC505 pin2 Voltage Level 3 3V Replace IC505 N Check IC503 pin2 Output Voltage Level 2 5V Replace IC503 N Y Making 전자 6 2 Revision 1 15 PDP TV Symptom Power Up Boot Fail 2010 2 22 ...

Page 38: ...L601 1 2V L600 Check Voltage 5V IC503 Output 3V IC505 Output 2 5V IC503 Output 1 2V IC601 Output Y N Check Video color Check Monitor Out Video Scart out Check other input OSD Check IIC Line Check SCL SDA1 Line N Maybe Tuner has problems Replace Tuner N Y Check TP Clock Data Sync Replace Tuner N Y N Y Check Module N Y Change BCM IC100 ⓐ Y Go to ⓐ 2010 2 22 ...

Page 39: ...n the input signal Making 전자 6 2 Revision PDP TV Input Block Analog TV Video Problem Check RF Cable Check CVBS signal TU601 11 Pin Replace Tuner TU601 Y N Check IC503 Output Voltage L502 Y N Y Replace BCM IC100 Check 5V voltage on TU601 Pin3 3 15 2010 2 22 ...

Page 40: ...ut Block Component Video Problem Check input signal format Is it supported Check signal on C338 C339 C340 Y Check the damage of JK1000 And Replace Connector N Y Replace BCM IC100 Y Check Component Cable Measured signals depend on the input signal 4 15 2010 2 22 ...

Page 41: ...ignal format Is it supported Check signal Hsync Vsync R953 R959 Check IC903 Input Output Check signal C332 C333 C334 Y N Check P900 Replace connector P900 Y N Y Replace C332 C333 C334 N Replace Mstar IC100 Y Check RGB Cable conductors for damage Y Measured signals depend on the input signal 5 15 2010 2 22 ...

Page 42: ... Is it supported Check signal line JK1002 Video R359 JK1001 Video C432 C433 C434 RGB C326 CVBS Replace Resistor or Cap Check AV port of JK1002 Side JK1001 Rear Replace connector N Replace BCM IC100 Check AV Cable for damage or open conductors Measured signals depend on the input signal Y Y Y Y N 6 15 2010 2 22 ...

Page 43: ...heck input signal format Is it supported Check EDID D L Re Download EDID Check HDMI Cable for damage or open conductors Check R867 R874 HDMI Switch Output Replace Connector Replace IC802 Replace BCM IC100 Y Y Y Y Y N N Check JK800 J801 J802 for proper connection or damage N 7 15 2010 2 22 ...

Page 44: ...aker Y N Check Connector P1000 Replace P1000 Y N Check SCL SDA R707 R708 Replace R707 708 N Y Check IC700 Status PDN 19 Reset 25 is High Check Reset R704 PDN R702 They must be High 3 3V Y N Check IC700 Power 17V L704 3 3V L702 L703 Check 17V P500 1 2 3 3V IC505 2 Y N Y Check BCM I2S Output R114 21 22 23 on IC700 Replace BCM IC100 N 8 15 Replace AMP IC700 Y 2010 2 22 ...

Page 45: ...cedure All source audio trouble shooting Check EDID Download Re download EDID data Digital TV Check video output Follow procedure All source audio trouble shooting Follow procedure digital TV video trouble shooting Y N HDMI Y N 9 15 Check video output Follow procedure HDMI video trouble shooting Y N 2010 2 22 ...

Page 46: ...log TV Audio Problem Check video output Follow procedure All source audio trouble shooting Y Follow procedure analog TV video trouble shooting N Replace BCM IC IC100 Check 2 on TU601 for 5V Check IC504 output Voltage N Y Check SIF signal C602 Replace TU601 N Y Check SIF signal C301 Check SIF line N Y Y 10 15 2010 2 22 ...

Page 47: ...05 R1006 JK1001 SCART R1024 R1025 JK702 RGB R931 R933 JK900 Side AV R1039 R1040 Replace the Resistor Check IC100 signal JK1000 Component R209 R210 JK1001 SCART R212 R213 JK702 RGB R216 R217 JK900 Side AV R214 R215 Replace the Resistor Follow procedure All source audio trouble shooting Making 전자 6 2 Revision PDP TV Input Block Component AV RGB Audio Problem Y Y Y N N N 11 15 2010 2 22 ...

Page 48: ...eform sample Defend on the input signal Making 전자 6 2 Revision PDP TV Input Block Optical Audio Problem N Check Signal JK1000 3 Check SPDIF signal R1051 Replace BCM IC100 Check 5V 2 on JK1003 Y 12 15 N Check Q501 Output L516 Y 2010 2 22 ...

Page 49: ...ISP_EN R253 Check R27 and MICOM Check LVDS Cable damage or open connectors Check LVDS DATA Replace Cable Check Vs Va 5V 17V on Power Board Replace Power Board Check LED blanking When press a key on R C Follow Power Up Boot Fail Y Y Y Y N N N N 13 15 Change BCM IC100 N Check Module condition Y 2010 2 22 ...

Page 50: ...mage or open conductors Check C1116 C1117 voltage 5V Y N Check IC1102 1103 8 status is high Check P1101 P1102 Replace Connector Y N Check R1133 R1134 R1137 R1138 Y Replace Capacitor N N Replace the Resistor 14 15 Check USB Module condition Y Y Y Check R200 R201 N Replace IC1100 Y Change BCM IC100 2010 2 22 ...

Page 51: ...king 전자 6 2 Revision PDP TV Input Block Bluetooth Problem Check B T Version on INSTART MENU Check R204 R205 N N Check P1100 Check 10 P1100 is 3 3V Replace Connector Y N Change BCM IC100 13 15 Replace Bluetooth Module Y N 2010 2 22 ...

Reviews:

No comments

Related manuals for 50PK760

LG 50PJ350 Specifications preview
50PJ350
Brand: LG Pages: 2
LG 50PK540 Specifications preview
50PK540
Brand: LG Pages: 2
LG 50PJ350 Service Manual preview
50PJ350
Brand: LG Pages: 70
LG 50PG60D Service Manual preview
50PG60D
Brand: LG Pages: 28
LG 50PJ340 Training Manual preview
50PJ340
Brand: LG Pages: 133
LG 50PH470H Owner'S Manual preview
50PH470H
Brand: LG Pages: 58
LG 50PG60D Owner'S Manual preview
50PG60D
Brand: LG Pages: 128
LG 50PM6700 User Manual preview
50PM6700
Brand: LG Pages: 178
LG 50PM470S Owner'S Manual preview
50PM470S
Brand: LG Pages: 243
LG 50PK5 Series Owner'S Manual preview
50PK5 Series
Brand: LG Pages: 289
LG 50PH670S Owner'S Manual preview
50PH670S
Brand: LG Pages: 475
LG 50PH670V User Manual preview
50PH670V
Brand: LG Pages: 387
LG 50PH660V User Manual preview
50PH660V
Brand: LG Pages: 387
LG 50PM6700 Specifications preview
50PM6700
Brand: LG Pages: 2
Panasonic TH-65PZ700E Operating Instructions Manual preview
TH-65PZ700E
Brand: Panasonic Pages: 48
Panasonic TH-65PZ700B Operating Instructions Manual preview
TH-65PZ700B
Brand: Panasonic Pages: 56
Panasonic TH-85PB1U Operating Instructions Manual preview
TH-85PB1U
Brand: Panasonic Pages: 66
Panasonic TH-65PZ750U Quick Start Manual preview
TH-65PZ750U
Brand: Panasonic Pages: 62

Brands by name

Popular brands

Load more brands