LG 65UX340C Series Service Manual Download Page 41

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U11 ONLY

NC FOR U11P

U11 MIU POWER ONLY

POWER ONLY

U11P MIU

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

VDDC

C136086
0.1uF
16V

AVDDL_DVI

C136088
0.1uF
16V

AVDDL_HDMITX

AVDDL_RX

AVDDL_MOD

AVDDL_DRV

DVDD_DDR

+1.5V_U_DDR

AVDD_15_MOD

AVDD_MOD

VDDP

C136083
0.1uF
16V

AVDD_HDMITX

C136087
0.1uF
16V

AVDD_DVI

AVDD_PLL

AVDD_ALLRX

C136089

0.47uF 6.3V

C136090

0.22uF 16V

OPT

C136091

0.47uF 6.3V

C136092

0.22uF 16V

OPT

C136095

0.47uF 6.3V

C136093

0.47uF 6.3V

C136096

0.22uF 16V

OPT

C136094

0.22uF 16V

OPT

C136084

0.1uF 16V

+1.5V_U_DDR

C136085

0.1uF 16V

+1.5V_U_DDR

C136097

0.1uF 16V

C136098

0.1uF 16V

OPT

L1363

BLM18PG121SN1D

C136050
0.1uF
16V

L1371

BLM18PG121SN1D

L1372

BLM18PG121SN1D

C136105
0.1uF
16V

OPT

L1370

BLM18PG121SN1D

C136067
0.1uF
16V

+1.5V_U_DDR

C136031
10uF
10V

C136071
10uF
10V

C136104
0.1uF
16V

OPT

C136045
0.1uF
16V

C136003
10uF
10V

VDDC

C136082
0.1uF
16V

C136056
0.1uF
16V

C136004
10uF
10V

AVDDL_DRV

AVDD_ALLRX

C136106
0.1uF
16V

C136053
0.1uF
16V

C136044
1uF
10V

C136026
0.1uF
16V

C136077
0.1uF
16V

C136057
0.1uF
16V

C136021
10uF
10V

C136012
0.1uF
16V

C136020
0.1uF
16V

C136101
0.1uF
16V

OPT

C136060
0.1uF
16V

DVDD_DDR

C136064
0.1uF
16V

C136052
0.1uF
16V

C136009
10uF
10V

C136008
10uF
10V

C136102
0.1uF
16V

OPT

AVDD_15_MOD

C136070
1uF
10V

C136048
0.1uF
16V

L1364

BLM18PG121SN1D

C136011
0.1uF
16V

C136074
10uF
10V

C136063
0.1uF
16V

L1362

BLM18PG121SN1D

C136036
10uF
10V

OPT

C136039
0.1uF
16V

C136103
0.1uF
16V

OPT

C136110
1uF
10V

C136014
0.1uF
16V

C136041
0.1uF
16V

C136006
10uF
10V

C136069
0.1uF
16V

C136079
0.1uF
16V

C136034
10uF
10V

AVDD_MOD

+1.5V_U_DDR

C136112
0.1uF
16V

OPT

C136111
10uF
10V

C136049
0.1uF
16V

L1361

BLM18PG121SN1D

C136018
0.1uF
16V

VDDC

C136059
1uF
10V

OPT

VDDP

C136013
0.1uF
16V

C136072
10uF
10V

C136109
0.1uF
16V

C136055
0.1uF
16V

AVDD_PLL

AVDD_DVI

C136065
0.1uF
16V

C136029
10uF
10V

C136068
0.1uF
16V

C136073
10uF
10V

C136046
0.1uF
16V

C136032
10uF
10V

C136058
0.1uF
16V

C136037
0.1uF
16V

C136022
10uF
10V

C136051
0.1uF
16V

OPT

C136001
10uF
10V

C136075
10uF
10V

L1367

BLM18PG121SN1D

C136017
10uF
10V

L1365

BLM18PG121SN1D

C136040
0.1uF
16V

OPT

C136062
0.1uF
16V

C136042
1uF
10V

C136081
0.1uF
16V

C136027
10uF
10V

AVDDL_HDMITX

C136047
0.1uF
16V

AVDDL_DVI

C136002
10uF
10V

C136005
10uF
10V

C136043
10uF
10V

C136080
0.1uF
16V

C136010
0.1uF
16V

AVDD_HDMITX

AVDDL_MOD

C136099
10uF
10V

C136028
10uF
10V

C136061
0.1uF
16V

C136076
0.1uF
16V

AVDDL_RX

C136019
0.1uF
16V

C136100
10uF
10V

C136033
10uF
10V
OPT

C136016
0.1uF
16V

C136023
0.1uF
16V

C136078
0.1uF
16V

L1366

BLM18PG121SN1D

C136007
10uF
10V

C136030
10uF
10V

C136108
0.1uF
16V

C136035
0.1uF
16V

C136024
0.1uF
16V

C136066
0.1uF
16V

+3.3V_U_NORMAL

L1369

BLM18PG121SN1D

C136038
0.1uF
16V

L1368

BLM18PG121SN1D

C136107
1uF
10V

OPT

C136015
0.1uF
16V

C136054
0.1uF
16V

C136025
0.1uF
16V

L1373

BLM18PG121SN1D

R136001

OPT

IC119

LGE5352(URSA11)

VDDC_1

VDDC_2

VDDC_3

VDDC_4

VDDC_5

VDDC_6

VDDC_7

VDDC_8

VDDC_9

VDDC_10

VDDC_11

VDDC_12

VDDC_13

VDDC_14

VDDC_15

VDDC_16

T10

VDDC_17

VDDC_18

VDDC_19

VDDC_20

VDDC_21

VDDC_22

VDDC_23

U10

AVDDL_HDMIRX_1

AVDDL_HDMIRX_2

AVDDL_HDMIRX_3

AVDDL_HDMIRX_4

AVDDL_HDMITX_4

AB3

AVDDL_HDMITX_1

AVDDL_HDMITX_2

AVDDL_HDMITX_3

AVDDL_LVDSRX/AVDDL_VBY1RX_1

AVDDL_LVDSRX/AVDDL_VBY1RX_2

W10

AVDDL_LVDSRX/AVDDL_VBY1RX_3

Y10

AVDDL_MOD_1

AVDDL_MOD_2

AVDDL_MOD_3

J10

AVDDL_MOD_4

AVDDL_MOD_5

AVDDL_PREDRV_1

K10

AVDDL_PREDRV_2

AVDDL_PREDRV_3

AVDDL_PREDRV_4

L10

AVDDL_PREDRV_5

M10

DVDD_DDR_1

T16

DVDD_DDR_3

U16

DVDD_DDR_4

U17

DVDD_DDR_2

T17

AVDD_DDR0_1

P15

AVDD_DDR0_2

P16

AVDD_DDR0_3

P17

AVDD_DDR0_4

R15

AVDD_DDR0_5

R16

AVDD_DDR0_6

R17

AVDD_DDR1_1

P19

AVDD_DDR1_2

P20

AVDD_DDR1_3

R19

AVDD_DDR1_4

R20

AVDD_DDR1_5

T19

AVDD_DDR1_6

T20

AVDD_15_MOD_1

J12

AVDD_15_MOD_2

K12

AVDD_15_MOD_3

L12

AVDD_15_MOD_4

M12

AVDD_MOD_1

Y14

AVDD_MOD_2

Y15

AVDD_MOD_3

AA14

AVDD_MOD_4

AA15

VDDP_1

W20

VDDP_2

Y20

VDDP_3

AA20

AVDD_HDMITX_1

AC3

AVDD_HDMITX_2

Y13

AVDD_HDMITX_3

AA13

AVDD_HDMIRX_1

AVDD_HDMIRX_2

W12

AVDD_HDMIRX_3

Y12

AVDD_HDMIRX_4

AA12

AVDD_XTAL

AA19

AVDD_PLL_1

W19

AVDD_PLL_2

Y19

AVDD_LVDSRX/AVDD_VBY1RX_1

Y16

AVDD_LVDSRX/AVDD_VBY1RX_2

AA16

AVDD_LVDSRX/AVDD_VBY1RX_3

AA17

AVDD_DDR_VBP_A_1

A18

AVDD_DDR_VBP_A_2

B18

AVDD_DDR_VBP_A_3

R13

AVDD_DDR_VBP_A_4

R14

AVDD_DDR_VBN_A_1

A16

AVDD_DDR_VBN_A_2

B16

AVDD_DDR_VBN_A_3

P13

AVDD_DDR_VBN_A_4

P14

AVDD_DDR_VBP_B_1

U18

AVDD_DDR_VBP_B_2

U19

AVDD_DDR_VBP_B_3

Y27

AVDD_DDR_VBP_B_4

Y28

AVDD_DDR_VBN_B_1

V18

AVDD_DDR_VBN_B_2

V19

AVDD_DDR_VBN_B_3

AB27

AVDD_DDR_VBN_B_4

AB28

GND_1

GND_2

GND_3

GND_4

GND_5

GND_6

GND_7

GND_8

GND_9

GND_10

GND_11

GND_12

AB2

GND_13

AC2

GND_14

AG2

GND_15

GND_16

GND_17

GND_18

GND_19

GND_20

GND_21

GND_22

AE3

GND_23

AF3

GND_24

AG3

GND_25

GND_26

GND_27

GND_28

GND_29

GND_30

GND_31

AG4

GND_32

GND_33

GND_34

GND_35

GND_36

GND_37

GND_38

GND_39

GND_40

GND_41

GND_42

GND_43

GND_44

GND_45

GND_46

GND_47

GND_48

GND_49

GND_50

GND_51

GND_52

GND_53

GND_54

AA8

GND_55

AB8

GND_56

GND_57

GND_58

GND_59

GND_60

GND_61

GND_62

AA9

GND_63

AB9

GND_64

B10

GND_65

G10

GND_66

H10

GND_67

N10

GND_68

P10

GND_69

R10

GND_70

V10

GND_71

AA10

GND_72

AB10

DRAM_VDD_A_1

A20

DRAM_VDD_A_2

B20

DRAM_VDD_B_1

A26

DRAM_VDD_B_2

B26

IC119

LGE5352(URSA11)

GND_73

C11

GND_74

G11

GND_75

H11

GND_76

J11

GND_77

K11

GND_78

L11

GND_79

M11

GND_80

N11

GND_81

P11

GND_82

R11

GND_83

T11

GND_84

U11

GND_85

V11

GND_86

W11

GND_87

Y11

GND_88

AA11

GND_89

AB11

GND_90

C12

GND_91

G12

GND_92

H12

GND_93

N12

GND_94

P12

GND_95

R12

GND_96

T12

GND_97

U12

GND_98

V12

GND_99

AB12

GND_100

C13

GND_101

D13

GND_102

E13

GND_103

F13

GND_104

G13

GND_105

H13

GND_106

J13

GND_107

K13

GND_108

L13

GND_109

M13

GND_110

N13

GND_111

T13

GND_112

U13

GND_113

V13

GND_114

W13

GND_115

AB13

GND_116

D14

GND_117

E14

GND_118

F14

GND_119

G14

GND_120

H14

GND_121

J14

GND_122

K14

GND_123

L14

GND_124

M14

GND_125

N14

GND_126

T14

GND_127

U14

GND_128

V14

GND_129

W14

GND_130

AB14

GND_131

B15

GND_132

D15

GND_133

E15

GND_134

F15

GND_135

G15

GND_136

H15

GND_137

J15

GND_138

K15

GND_139

L15

GND_140

M15

GND_141

N15

GND_142

T15

GND_143

U15

GND_144

V15

GND_145

W15

GND_146

AB15

GND_147

AF15

GND_148

C16

GND_149

D16

GND_150

E16

GND_151

F16

GND_152

G16

GND_153

H16

GND_154

J16

GND_155

K16

GND_156

L16

GND_157

M16

GND_158

N16

GND_159

V16

GND_160

W16

GND_161

AB16

GND_162

AC16

GND_163

AD16

GND_164

AE16

GND_165

B17

GND_166

C17

GND_167

D17

GND_168

E17

GND_169

F17

GND_170

G17

GND_171

H17

GND_172

J17

GND_173

K17

GND_174

L17

GND_175

M17

GND_176

N17

GND_177

V17

GND_178

W17

GND_179

Y17

GND_180

AB17

GND_181

AC17

GND_182

AD17

GND_183

AG17

GND_184

C18

GND_185

D18

GND_186

E18

GND_187

F18

GND_188

G18

GND_189

H18

GND_190

J18

GND_191

K18

GND_192

L18

GND_193

M18

GND_194

N18

GND_195

W18

GND_196

Y18

GND_197

AA18

GND_198

AB18

GND_199

C19

GND_200

D19

GND_201

E19

GND_202

F19

GND_203

G19

GND_204

H19

GND_205

J19

GND_206

K19

GND_207

L19

GND_208

M19

GND_209

N19

GND_210

AB19

GND_211

AH19

GND_212

C20

GND_213

D20

GND_214

E20

GND_215

F20

GND_216

G20

GND_217

H20

GND_218

J20

GND_219

K20

GND_220

L20

GND_221

M20

GND_222

N20

GND_223

U20

GND_224

V20

GND_225

AB20

GND_226

A21

GND_227

B21

GND_228

C21

GND_229

D21

GND_230

E21

GND_231

F21

GND_232

G21

GND_233

H21

GND_234

J21

GND_235

K21

GND_236

L21

GND_237

M21

GND_238

N21

GND_239

P21

GND_240

R21

GND_241

T21

GND_242

U21

GND_243

V21

GND_244

W21

GND_245

Y21

GND_246

AA21

GND_247

AB21

GND_248

AG21

GND_249

A22

GND_250

B22

GND_251

C22

GND_252

D22

GND_253

E22

GND_254

F22

GND_255

G22

GND_256

H22

GND_257

J22

GND_258

K22

GND_259

L22

GND_260

M22

GND_261

N22

GND_262

P22

GND_263

R22

GND_264

T22

GND_265

U22

GND_266

V22

GND_267

W22

GND_268

Y22

GND_269

AA22

GND_270

AB22

GND_271

A23

GND_272

B23

GND_273

C23

GND_274

D23

GND_275

E23

GND_276

F23

GND_277

Y23

GND_278

AA23

GND_279

AB23

GND_280

AH23

GND_281

A24

GND_282

B24

GND_283

C24

GND_284

D24

GND_285

Y24

GND_286

AA24

GND_287

AB24

GND_288

C25

GND_289

J25

GND_290

M25

GND_291

R25

GND_292

V25

GND_293

Y25

GND_294

AA25

GND_295

AB25

GND_296

AG25

GND_297

C26

GND_298

E26

GND_299

W26

GND_300

Y26

GND_301

AA26

GND_302

AB26

GND_303

AE26

GND_304

A27

GND_305

B27

GND_306

C27

GND_307

AA27

GND_308

AG27

GND_309

J28

GND_310

M28

GND_311

R28

GND_312

V28

C136134
0.1uF
16V

C136135
0.1uF
16V

U_Power

133

Close to Chip

4th Layer

Close to Chip side

4th Layer

Close to Chip side

4th Layer

Close to Chip side

4th Layer

Close to Chip side

4th Layer

Close to Chip side

4th Layer

Close to Chip side

4th Layer

Close to Chip side

LGE Internal Use Only

Summary of Contents for 65UX340C Series

Page 1: ...ODEL 65UX340C 65UX340C UA 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 ...

Page 2: ...ll 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 23 EXPLODED VIEW 24 SCHEMATIC CIRCUIT DIAGRAM APPENDIX ...

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: ...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...

Page 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...

Page 6: ... prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC specification 4 General Specification No Item Specification Result Remark 1 Receiving System ATSC NTSC M 64 256 QAM 2 Available Channel 1 VHF 02 13 2 UHF 14 69 3 DTV 02 69 4 CATV 01 135 5 CADTV 01 135 3 Input Voltage AC 100 240V 50 60Hz Mark 110V 60...

Page 7: ...9 1920 1080 67 50 60 00 148 5 HDTV 1080P O 5 2 Component input Y CB PB CR PR No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 15 73 60 00 13 513 SDTV DVD 480I 2 720 480 15 73 59 94 13 500 SDTV DVD 480I 3 720 480 31 50 60 00 27 027 SDTV 480P 4 720 480 31 47 59 94 27 000 SDTV 480P 5 1280 720 45 00 60 00 74 250 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 ...

Page 8: ...VESA O 7 1360 768 47 71 60 01 85 50 VESA WXGA O 8 1280 1024 63 98 60 02 108 0 VESA SXGA O 9 1920 1080 67 50 60 00 148 5 HDTV 1080P O DTV 1 720 480 31 50 60 00 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 94 74 176 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 1080I 6 1920 1080 33 72 59 94 74 176 HDTV 1080I 7 1920 1080 67 50 60 00 ...

Page 9: ...oard level and Final assembly adjustment items can be check using In Start Menu 1 Adjust Check Component 1080p and 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 5 GND and HI POT test 3 3 Appendix 1 Shipment conditions 2 Tool option ...

Page 10: ...ks 1 Objective To reduce each Panel s W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Range Case Cool Mode To adjust the white balance without the saturation G gain should be adjust at least 172 and change the others R B Gain When R or B gain is over 255 G gain can be adjust below 172 Case Medium Warm Mode To adjust the white balance with...

Page 11: ...ing POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 3 Press ADJ key EZ adjust using adj R C 6 White Balance then press the cursor to the right KEY When KEY is pressed 204 Gray 80IRE internal pattern will be displayed 4 Adjust modes Cool Fix the G gain at least 172 and change the others R B Gain If R or B gain is over 255 G ...

Page 12: ...ct US then on the lower Country option select US CA MX Selection is done using KEY 5 2 3 Tool Option inspection Press Adj key on the Adj R C then select Tool option 5 3 Ship out mode check In stop After final inspection press In Stop key of the Adj R C and check that the unit goes to Stand by mode 6 GND and HI POT Test 6 1 GND HI POT auto check preparation 1 Check the POWER CABLE and SIGNAL CABE i...

Page 13: ...n the number Each model has their number 9 Test factor for commercial model 9 1 RJP TEST Only US model 9 1 1 Overview Jig Commercial Check JIG RJ45 cable Power only mode 9 1 2 Test sequence 1 Operate JIG Commercial Check JIG as shown on picture1 2 Turn on TV and press P ONLY key on adjustment remocon 3 Connect RJ45 cable into RJP port of the TV set 4 Connect RJ45 cable into the JIG 5 If shown OK i...

Page 14: ...tor 24pin 28pin Short check stand by voltage 3 5V Replace Power board Check X TAL X101 Replace X101 Check POWER ON signal P401 P402 1 pin Download software Main Replace IC101 or Main Board Check multi voltage 12V 24V P401 P402 11 12 13 14 15p 12V P401 P402 18 19 20 21p 24V Check Power connector 24pin 28pin Short check multi voltage 12V 24V Replace Power board Check Main IC power block IC404 1 5V Q...

Page 15: ...IC13403 1 5V IC13401 3 3V IC13402 1 15V Replace IC13403 IC13401 IC13402 Replace X1351 Vx1 power voltage Q405 12V Replace Q405 Vx1 output signal Download software URSA11 Replace IC119 or Main Board Check DRV ON signal P401 P402 2 pin Replace Main Board Check Power Board Check Vx1 cable Check Power Board Replace Vx1 cable Previous page Main IC block Audio NG NG NG NG Low NG NG NG NG Audio OK OK OK O...

Page 16: ...738 R3739 Replace Tuner or IC101 or Main Board Replace L3704 Check SIF CVBS signal Q3700 Q3701 pin Check SIF CVBS signal Pin 8 9 Replace Tuner Replace IC101 or Main Board NG NG NG NG NG OK OK OK OK 4 AV Video No signal Check input signal format Is it supported Check AV cable Check AV Jack Detect Signal R2814 Replace AV Jack JK2802 Check CVBS signal ZD2802 ZD2803 R2859 R246 R241 Replace ZD2802 ZD28...

Page 17: ...omponent cable Check AV Jack CVBS signal ZD2802 ZD2804 ZD2806 Replace AV Jack JK2802 Replace ZD2804 ZD2805 R2800 R239 Check Component signal Y ZD2802 ZD2803 R2859 R241 Replace ZD2802 ZD2803 R2859 R241 Replace ZD2806 ZD2807 R2801 R243 Check Component signal Pb ZD2804 ZD2805 R2800 R239 Check Component signal Pr ZD2806 ZD2807 R2801 R243 Replace IC101 or Main Board NG NG NG NG OK OK OK OK OK OK ...

Page 18: ...K1391 HDMI2 JK1392 1 3 4 6 7 9 10 12 pin Replace HDMI Jack HDMI1 JK1391 HDMI2 JK1392 Next page URSA11 M1A Block Replace Main Board NG NG NG NG NG OK OK OK OK 7 HDMI Video No signal URSA11 M1A Block Check HPD HDMI1 JK1391 19 pin HDMI2 JK1392 19 pin Check URSA11 I2C R13574 R13583 AR1351 Check HDMI pattern Replace HPD component HDMI1 R1391 Q1391 R1393 R1395 R1399 HDMI2 R1392 Q1392 R1394 R1396 R1401 R...

Page 19: ...DCDC IC IC405 output voltage 5V Check USB 5V OCP IC IC406 output voltage 5V Replace USB 5V DCDC IC IC405 Replace R700 R701 Replace USB Jack JK700 or Main IC IC101 Check USB signal R700 R701 Replace USB 5V OCP IC IC406 Replace Main IC IC101 or Main Board Check Component signal Pr ZD2806 ZD2807 R2801 R243 Replace IC101 or Main Board NG NG NG NG OK OK OK OK OK OK ...

Page 20: ... AMP power component L5600 24V L5601 3 3V Check I2S signal IC5600 7 8 38 pin Replace Main IC IC101 or Main Board Check amp output signal P5600 1 2 3 4 pin Replace amp output component L5602 L5603 L5604 L5605 C5622 C5623 C5627 C5628 Check Power connector 24pin 28pin Replace Power board Check speaker connector Replace speaker connector Replace AMP IC IC5600 or Main IC IC101 or Main Board Replace amp...

Page 21: ...ace L3704 Check SIF CVBS signal Q3700 Q3701 pin Replace Tuner Follow procedure 9 All source audio Replace Tuner or IC101 or Main Board NG NG NG NG OK OK OK OK 11 AV No sound Check AV cable Check Jack Audio signal L R2802 R R2803 Check audio signal L R2802 C2803 R2810 R2815 C216 R R2803 C2802 R2811 R2816 C219 Replace audio signal component L R2802 C2803 R2810 R2815 C216 R R2803 C2802 R2811 R2816 C2...

Page 22: ...3 R2810 R2815 C216 R R2803 C2802 R2811 R2816 C219 Replace Jack JK2802 Follow procedure 9 All source audio NG NG OK OK OK 13 IR Out Check IR P4600 7Pin and R4611 Replace IR and Cable Check the R3505 Replace Q3501 R3503 R3502 Check the R3502 Replace Q3500 R3501 Check PM_TXD line R707 Replace IC3200 Check Pin4 of RS232C P702 If there is no problem without RS232C connection with external box check the...

Page 23: ...DIO output C3501 C3502 Replace M1A IC101 or Main Board Check AMP IC IC3800 Mute High R3803 4pin Check signal line Replace M1A IC101 or Main Board Check Output Signal JK3500 4 5 pin Replace Phone Jack JK3500 Check AMP IC IC3500 Output L3501 L3502 replace AMP IC IC3500 Check JK3800 Check External Speaker Replace Phone Jack if found to be damaged Replace External speaker NG NG NG NG NG NG NG OK OK OK...

Page 25: ...racteristics 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 900 910 911 200 400 800 540 521 530 120 121 LV1 LV2 A10 A2 S...

Page 26: ...16V C411 0 1uF 16V R403 10K R410 22K 1 L405 3 6uH LPH6050T 3R6N R C443 22uF 10V 5V_USB C403 10uF 16V R408 120K 1 R415 10K 3 3V_NORMAL USB1_CTL 12V R405 4 7K 5V_NORMAL IC405 BD9D321EFJ 3 VREG 2 FB 4 SS 1 EN 5 GND 6 SW 7 BOOT 8 VIN 9 EP C406 0 1uF 16V 5V_NORMAL C404 0 1uF C412 22uF 10V C409 1uF 10V R418 14K 1 C405 100pF 50V IC406 BD2242G 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM L404 BLM18PG121SN1D USB1_O...

Page 27: ...1 2 3 4 5 6 7 8 9 10 C704 0 33uF JP716 C713 0 1uF PM_RXD IR_OUT C708 0 1uF D702 30V CDS3C30GTH OPT D703 30V CDS3C30GTH OPT C707 0 1uF JP717 JP718 R707 100 IC700 MAX3232CDR EAN41348201 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 C721 18pF 50V SPDIF_OPTIC 3 3V_NORMAL SPDIF_OUT JK700 JST1223 001 SPDIF_OPTIC 1 GND 2 VCC 3 VINPUT 4 FIX_POLE...

Page 28: ..._ZENER_KEC MULTI ZD2807 COMP_ZENER_KEC MULTI ZD2803 COMP_ZENER_KEC MULTI ZD2804 COMP_ZENER_KEC MULTI ZD2805 COMP_ZENER_KEC MULTI VA2807 20V RGB_VARISTOR ADUC 20S 02 010L DSUB SC1_VSYNC VA2811 5 6V OPT C2810 18pF 50V 5V_NORMAL C2807 47pF 50V OPT DSUB_DET R2819 75 VA2808 20V RGB_VARISTOR ADUC 20S 02 010L R2806 33 DSUB SC1_VSYNC DSUB SC1_HSYNC C2808 68pF 50V OPT C2812 0 1uF 16V 3 3V_NORMAL R2821 2 2K...

Page 29: ...H EXT_OUT_R C3500 1uF 50V EXT_SPK_DET EXT_OUT_L Q3500 MMBT3904 NXP HEAD_PHONE E B C C3505 0 1uF 50V R3511 10K C3509 0 1uF 50V R3503 10K EXT_OUT_L 3 5V_ST R3502 15K C3513 0 47uF 50V OPT HP_EXT_SPK_ROUT C3514 0 47uF 50V OPT R3507 10K OPT HP_ROUT C3515 47uF 25V C3510 10uF 35V IC3500 TPA3124D2PWPR 3 PVCCL_2 2 SD 4 MUTE 1 PVCCL_1 6 RIN 5 LIN 7 BYPASS 8 AGND_1 9 AGND_2 10 PVCCR_1 11 VCLAMP 12 PVCCR_2 13...

Page 30: ...D_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 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_11 T1 VSS_12 T9 VSSQ_1 B1 VSSQ_2 B9 VSSQ_3 D1 VSSQ_4 D8 VSSQ_5 E2 VSSQ_6 E8 VSSQ_7 F9 VSSQ_8 G1 VSSQ_9 G9 C1214 10...

Page 31: ... DI IO0 6 CLK 7 HOLD IO3 8 VCC FLASH_WP SPI_SDI R1300 10K OPT R1302 33 IC1300 MX25L8006EM2I 12G SPI_FLASH_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC SPI_SDO SPI_CS R1301 4 7K OPT C1300 0 1uF 3 5V_ST SPI_SCK 3 5V_ST IC1300 2 W25Q80DVSSIG SPI_FLAHS_WINBOND_NEW 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC IC1300 3 MX25L8035EM2I 10G SPI_FHASH_MACRONIX_NEW 3 WP SIO...

Page 32: ... X RADIATION FIRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 33: ...A 12 HP_LOUT CI_TS_DATA 1 PCM_D 5 SIDE_HP_MUTE PCM_CD PCM_D 4 FE_TS_SYNC URSA_RESET FE_TS_DATA 3 CI_TS_CLK SC1 COMP1_L_IN EPHY_TN TU_CVBS SC1_G COMP1_Y PCM_WAIT SC1 COMP1_DET PCM_IOWR CI_TS_DATA 3 HP_ROUT PCM_RST CI_TS_DATA 4 FE_TS_DATA 2 PCM_A 13 AV2_CVBS_DET AV2_L_IN PCM_D 0 PCM_IRQA PCM_IORD CI_TS_VAL SC1_ID DEMOD_RESET PCM_D 6 CI_TS_DATA 6 SC1 AV2_CVBS_IN PCM_A 11 PCM_WE CI_CD1 PCM_OE PCM_D 3 ...

Page 34: ...00 BLM18PG121SN1D C4602 0 1uF 16V P4601 12507WR 08L OPT 1 2 3 4 5 6 7 8 9 C4604 100pF 50V R4604 10K 1 VA4600 OPT KEY2 C4601 1000pF 50V R4601 100 R4603 10K 1 R4602 100 C4606 18pF 50V EYE_SENSOR C4600 0 1uF 16V R4600 3 3K C4603 0 1uF 16V KEY1 3 5V_ST IR_SDA IR_SCL R4605 100 EYE_SENSOR R4607 100 EYE_SENSOR Q4600 2SC3052 IR_OUT_EU E B C IR_OUT R4612 10K IR_OUT_EU R4613 1K IR_OUT 3 5V_ST R4610 1K IR_OU...

Page 35: ...2 TS1DATA 5 GPIO98 AA13 TS1DATA 6 GPIO99 W14 TS1DATA 7 GPIO100 W13 TS1SYNC GPIO102 Y15 TS1VALID GPIO101 W15 PM_SPI_SCZ1 GPIO_PM 6 GPIO13 B3 PM_SPI_SCK GPIO1 A3 PM_SPI_SCZ0 GPIO0 A4 PM_SPI_SDI GPIO2 C3 PM_SPI_SDO GPIO3 A2 RP B1 TN C2 TP C1 RN B2 SPDIF_IN GPIO161 D2 SPDIF_OUT GPIO162 D1 HWRESET D8 IRIN GPIO5 E5 DDCA_CK UART0_RX G4 DDCA_DA UART0_TX G5 PWM0 GPIO71 J18 PWM1 GPIO72 K18 PWM2 GPIO73 K16 P...

Page 36: ...ND_48 J9 GND_49 J10 GND_50 J11 GND_51 J12 GND_52 J13 GND_53 J14 GND_54 K8 GND_55 K10 GND_56 K11 GND_57 L10 GND_58 M5 GND_59 M7 GND_60 M8 GND_61 M9 GND_62 M10 GND_63 N4 GND_64 N5 GND_65 N6 GND_66 N7 GND_67 N8 GND_68 N9 GND_69 N10 GND_70 P4 GND_71 P5 GND_72 P6 GND_73 P7 GND_74 P9 GND_75 P10 GND_76 P15 GND_77 P16 GND_78 P17 GND_79 P18 GND_80 R10 GND_81 R11 GND_82 R12 GND_83 R13 GND_84 R14 GND_EFUSE K...

Page 37: ...V L5603 SP 7850_10 10uH R5601 10K C5616 390pF 50V 10uF C5610 35V C5620 22000pF 50V C5606 1uF 10V 24V_AMP R5606 100 1 16W L5605 SP 7850_10 10uH R5613 4 7K R5610 4 7K C5608 33pF 50V 10uF C5613 35V R5600 10K OPT 0 1uF C5623 50V R5604 100 24V_AMP L5604 SP 7850_10 10uH 0 1uF C5627 50V SPK_L 24V R5607 5 6 1 10W AUD_SCK AMP_RESET 0 1uF C5628 50V C5617 22000pF 50V C5607 33pF 50V AMP_SDA POWER_DET R5602 0 ...

Page 38: ..._GNA_A TDJH H101F TU3700 3 TUNER_NTSC 47 SHIELD 6 IF P 7 IF N 8 NC_2 9 NC_3 1 B1 3 3V 2 NC_1 3 IF_AGC 4 SCL 5 SDA A1 A1 B1 B1 C3741 5pF 50V OPT C3742 5pF 50V OPT R3735 220 TU_BUFFER R3728 82 TU_BUFFER R3725 470 TU_BUFFER Q3700 MMBT3906 NXP TU_BUFFER E B C 3 3V_TU R3731 0 OPT Q3700 1 2N3906S RTK TU_BUFFER_KEC E B C 3 3V_TU TU_CVBS Q3701 1 2N3906S RTK TU_BUFFER_KEC E B C R3732 220 TU_BUFFER R3726 0 ...

Page 39: ...VID R13426 10K OPT C13402 0 1uF 16V VID_CTRL VID_CTRL C13408 10uF 16V IC13402 TPS53513RVER 1 RF 3 EN 7 SW_2 9 SW_4 10 PGND_1 11 PGND_2 12 PGND_3 13 PGND_4 14 PGND_5 15 VIN_1 16 VIN_2 17 VIN_3 18 NC_2 19 VDD 20 VREG 21 MODE 22 GND 23 FB 24 VO 25 TRIP 26 NC_3 27 GND1 28 GND2 5 NC_1 8 SW_3 6 SW_1 4 VBST 2 PGOOD 29 EP R13418 10K URSA11_VID ZD13400 2 5V VID0 R13402 3 3 1 10W 5 R13408 10K 1 16W 1 R13590...

Page 40: ...T R13513 33 OPT R13514 33 OPT R13515 33 OPT R13516 33 OPT HTPDAn R13557 10K URSA_TX_HTPD_pulldown R13556 220 Vx1_LED R13552 10K OPT LOCKAn Q1351 2N3906S RTK Vx1_LED_PNP_KEC MULTI E B C Q1351 1 MMBT3906 NXP Vx1_LED_PNP_NXP MULTI E B C 3 3V_U_NORMAL R13555 22 Vx1_LED LD1351 SML 512UW Vx1_LED_RHOM URSA_OPT_1 R13586 100K R13585 100K VID0 VID1 URSA_RESET_READY R13242 0 OPT SW1351 1 2 4 3 R13517 0 R1350...

Page 41: ...DDR_VBP_A_2 B18 AVDD_DDR_VBP_A_3 R13 AVDD_DDR_VBP_A_4 R14 AVDD_DDR_VBN_A_1 A16 AVDD_DDR_VBN_A_2 B16 AVDD_DDR_VBN_A_3 P13 AVDD_DDR_VBN_A_4 P14 AVDD_DDR_VBP_B_1 U18 AVDD_DDR_VBP_B_2 U19 AVDD_DDR_VBP_B_3 Y27 AVDD_DDR_VBP_B_4 Y28 AVDD_DDR_VBN_B_1 V18 AVDD_DDR_VBN_B_2 V19 AVDD_DDR_VBN_B_3 AB27 AVDD_DDR_VBN_B_4 AB28 GND_1 H1 GND_2 K1 GND_3 A2 GND_4 B2 GND_5 G2 GND_6 J2 GND_7 L2 GND_8 N2 GND_9 P2 GND_10 ...

Page 42: ... 34 10 32 11 31 12 30 13 29 14 28 15 27 16 26 17 25 18 24 19 23 20 22 21 21 22 20 23 19 24 18 25 17 26 16 27 15 28 14 29 13 30 12 31 11 32 10 33 9 34 8 35 7 36 6 37 5 38 4 39 3 40 2 41 1 42 Q13033 2N3904S NPN_KEC MULTI E B C R13043 10K Q13032 2N3904S NPN_KEC MULTI E B C 3 3V_U_NORMAL 1 8V 1 8V Q13031 2N3904S NPN_KEC MULTI E B C R13039 10K 3 3V_U_NORMAL R13046 100 R13038 10K LOCKn_IN R13047 10K R13...

Page 43: ...7 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 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_7 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_11...

Page 44: ...97 2N3904S NPN_KEC MULTI E B C R1444 10K DDC_DL_EN 5V_DDC_1 DDC1_EN DDC1_EN Q1398 2N3904S NPN_KEC MULTI E B C 5V_DDC_2 R1445 10K DDC_DL_EN DDC2_EN 5V_DDC_1 DDC1_EN R1439 47K Q1400 2N7002KA G D S 5V_DDC_2 DDC2_EN Q1402 2N7002KA G D S 5V_DDC_2 R1440 47K DDC2_EN Q1401 2N7002KA G D S R1441 47K HDMI_RX2 HDMI_RX0 HDMI_RX0 HDMI_CLK HDMI_RX1 HDMI_CLK HDMI_RX1 HDMI_RX2 Q1391 1 MMBT3904 NXP NPN_NXP MULTI E ...

Page 45: ... MDS62110225 M13005 GASKET_8 0X6 0X10 5H SMD_GASKET_MID MDS62110225 M13010 GASKET_8 0X6 0X10 5H SMD_GASKET_BOT MDS62110225 M13009 GASKET_8 0X6 0X10 5H SMD_GASKET_BOT MDS62110225 M13007 GASKET_8 0X6 0X10 5H SMD_GASKET_MID MDS62110225 M13002 GASKET_8 0X6 0X10 5H SMD_GASKET_MID MDS62110225 M13008 GASKET_8 0X6 0X10 5H SMD_GASKET_MID L13410 T con Power MLB 201209 0120P N2 PANEL_VCC C13435 0 1uF 25V T c...

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Summary of Contents for 65UX340C Series

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LG 65UX340C Series, Service Manual, Page: 41 / 46

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Summary of Contents for 65UX340C Series

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