LG 49UB8200 Page 35 Service Manual Download

Page: 35 / 102

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.

C910

0.1uF

OPT

WIFI_DM

C911

0.1uF
OPT

WOL/WIFI_POWER_ON

+3.5V_ST

WIFI_DP

+3.5V_ST

IC900

AO-R123C7G-LG

IR_PROTO

GND

OUT

R909

100

R911

10K

R913

100

C907

0.1uF

C905

1000pF

50V

OPT

C901

0.1uF

16V

OPT

KEY1

EYE_SCL

+3.3V_NORMAL

C902

0.1uF

R908

100

R905
100

EYE_SDA

C906
5pF
50V

LED_R

R900

330

1/16W

IR_PROTO

+3.5V_ST

R906
1.8K

+3.5V_ST

D900

RCLAMP0502BA

OPT

C909

22uF

10V

KEY2

R907

10K

C903

0.1uF

C904

100pF

50V

R904
100

R901

1/10W

IR_PROTO

R912

100

C908
5pF
50V

R910

10K

M_RFModule_RESET

L900

BLM18PG121SN1D

P900

SMAW200-H18S5

KEY2

SDA

USB_DM

GND

BT_RESET

LED_R

KEY1

WOL

+3.5V_WOL

+3.5V_ST

SCL

USB_DP

GND

MDS62110225

M905

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M914

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M909

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M908

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M902

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M903

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M910

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M900

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M904

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M913

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_EMS_UB83

MDS62110225

M912

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M907

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M911

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M901

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M906

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110225

M915

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M916

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110225

M917

GASKET_8.0X6.0X10.5H

OPT

MDS62110225

M923

GASKET_8.0X6.0X10.5H

OPT

MDS62110225

M924

GASKET_8.0X6.0X10.5H

OPT

MDS62110225

M925

GASKET_8.0X6.0X10.5H

SMD_GASKET_for_ESD_UB83

MDS62110221

M922

GASKET_8.0X6.0X13.5H

OPT

MDS62110221

M928

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83

MDS62110221

M921

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110221

M920

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110221

M919

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110221

M926

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110221

M918

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83_US

MDS62110221

M927

GASKET_8.0X6.0X13.5H

OPT

MDS62110221

M929

GASKET_8.0X6.0X13.5H

SMD_GASKET_for_ESD_UB83

MDS62110221

M930

GASKET_8.0X6.0X13.5H

OPT

only for proto board

Place Near Wafer

2013-10-28

IR/KEY/WIFI/BT

UB83

SMD bottom for ESD_UB8

10.5T

SMD T0P for EMI_UB8

13.5T

LGE Internal Use Only

Summary of Contents for 49UB8200

Page 1: ...ODEL 49UB8200 49UB8200 UH 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: ...Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 14 EXPLODED VIEW 26 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: ...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: ... ºC 5 ºC 77 9ºF CST 40 ºC 5 ºC 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V 50 60Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 3 Test method 1 Performance ...

Page 7: ...6 Screen Size 40 inch Wide 3840 2160 47 inch Wide 3840 2160 55 inch Wide 3840 2160 60 inch Wide 3840 2160 65 inch Wide 3840 2160 40UB8000 UB 49UB8300 UG 49UB8200 UH 55UB8300 UG 55UB8200 UH 60UB8300 UG 60UB8200 UH 65UB9200 UA 5 Aspect Ratio 16 9 6 Tuning System FS 7 LCD Module V400DK1 KS1 LC490EQE XGF2 LC490EQE XGM1 LC550EQE PGF2 LC550EQE PGM1 LC650EQF FGM1 INX LGD LGD LGD LGD LGD LGD LGD 40UB8000 ...

Page 8: ...176 HDTV 1080I 9 1920 1080 67 500 60 148 50 HDTV 1080P 5 1 2 HDMI Input PC DTV No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed HDMI PC EGA 1 640 350 31 468 70 09 25 17 DOS Х 2 720 400 31 469 70 08 28 32 VESA VGA O 3 640 480 31 469 59 94 25 17 VESA SVGA O 4 800 600 37 879 60 317 40 00 VESA XGA O 5 1024 768 48 363 60 00 65 00 VESA O 6 1152 864 54 348 60 053 80 00 VESA SXGA O 7 1280 1024...

Page 9: ...3 976 74 176 HDTV 1080P 13 1920 1080 33 75 30 000 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P 15 3840 2160 67 5 30 00 297 00 UDTV 2160P 16 3840 2160 61 43 29 97 296 703 UDTV 2160P 17 3840 2160 56 25 25 00 297 00 UDTV 2160P 18 3840 2160 54 0 24 00 297 00 UDTV 2160P 19 3840 2160 53 95 23 976 296 703 UDTV 2160P 20 3840 2160 135 59 94 593 41 UDTV 2160P 8 bit YCbCr 4 2 0 Only 21 3840 21...

Page 10: ...20P HDTV 720P 4 1920 1080 33 72 33 75 59 94 60 74 18 74 25 5 Top and Bottom Side by side half Side by side full Secondary HDTV 1080I Primary HDTV 1080I 67 432 67 5 59 94 60 148 35 148 5 5 Frame packing Field alternative Primary HDTV 1080I HDTV 1080I 26 97 27 23 97 24 74 18 74 25 32 Top and Bottom Side by side half Side by side full Primary HDTV 1080P Primary HDTV 1080P 43 94 54 23 97 24 148 35 148...

Page 11: ...0 HDTV 2160P 11 3840 2160 61 43 29 970 296 703 HDTV 2160P 12 3840 2160 67 5 30 00 297 00 HDTV 2160P 13 4096 2160 53 95 23 976 296 703 HDTV 2160P 14 4096 2160 54 24 00 297 00 HDTV 2160P 15 4096 2160 56 25 25 00 297 00 HDTV 2160P 16 4096 2160 61 43 29 970 296 703 HDTV 2160P 17 4096 2160 67 5 30 00 297 00 HDTV 2160P 18 3840 2160 135 60 594 HDTV 2160P 2D to 3D Top Bottom half Side by Side half Port3 O...

Page 12: ...480 interlaced 2D to 3D Side by Side Half Top Bottom 3 Over 704x480 progressive 60 2D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleaving Frame Sequential 4 Over 704x480 progressive others 2D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleaving 5 Over 2160P 24 25 30 2D to 3D Side by Side Half Top Bottom USB Only 5 2 7 USB DLNA Phot...

Page 13: ...00 74 25 HDTV 1080P 6 1920 1080 26 97 23 976 74 176 HDTV 1080P 7 1920 1080 28 12 25 74 25 HDTV 1080P 8 1920 1080 33 75 30 00 74 25 HDTV 1080P 9 1920 1080 33 71 29 97 74 176 HDTV 1080P 10 1920 1080 67 50 60 00 148 5 HDTV 1080P 11 1920 1080 67 432 59 94 148 352 HDTV 1080P 5 2 10 Miracast Widi 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1024X...

Page 14: ...est Ping Test 3 Main S W program download Using USB Memory stick 4 Input Tool Option 5 Download EDID 6 ADC Calibration RGB Component 7 Check SW Version 3 2 SET assembly adjustment items 1 Input Area option 2 Adjustment of White Balance Auto 3 Adjustment of White Balance Manual 4 Intelligent Sensor Inspection Guide 5 LAN Inspection Guide 6 Widevine Key Inspection Guide 7 Model name Serial number D ...

Page 15: ...n power ON IP can be Automatically be achieved from the router 2 Push ADJ key on Adjust remote controller 3 Enter 13 ACAP PING TEST check Network 4 3 2 Check Set Manufacturer 1 Connect TV Set PC with Cross LAN cable PC IP 12 12 2 3 2 Execute PINT Test program Check setting data of program TV Set IP 12 12 2 2 3 Push Power Only key on Adjust remote controlle 4 Click RUN Check OK or NG 4 4 Main S W p...

Page 16: ... tool option is right or not If tool option is wrong HDMI edid data could not be downloaded well 1 Press the ADJ key 2 Move to the 13 EDID D L and Press the right direction key 3 Press the right direction key at Start 4 After about a few seconds appear Waiting OK then complete 4 5 3 RS 232C command Method 1 Command AE 00 10 Caution Don t connect HDMI and RGB D SUB cable when downloading the EDID I...

Page 17: ...vice purposes DTS HDMI3 C S A1 81 EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 DTS HDMI4 C S E7 52 EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 AC3 HDMI1 C S E7 8B EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 AC3 HDMI2 C S E7 7B EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 ...

Page 18: ... Only for training and service purposes AC3 HDMI3 C S A1 8A EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 AC3 HDMI4 C S E7 5B EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 PCM HDMI1 C S F7 FD EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 PCM HDMI1 C S E7 ED ...

Page 19: ...T assembly adjustment method 5 1 Input Area Option 1 Profile Must be changed the Area option value because being different of each Country s Language and signal Condition 2 Equipment adjustment remote control 3 Adjustment method The input methods are same as other chassis Use IN START Key on the Adjust Remocon Refer to Job Expression of each main chassis ass y EBTxxxxxxxx for Option value 5 2 Adju...

Page 20: ...on in surrounding area surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10cm and perpendicular of the module surface 90 2 5 3 Aging time A After Aging Start Keep the Power ON status during 5 Minutes B In case of LCD Back light on should be checked using no signal or Full white pattern 5 2 2 2 Equ...

Page 21: ...UB98xxx UB95 93xxx UB85xxx UB83xxx UC97 Series models Aging time Min Cool Medium Warm X Y X Y X Y 271 270 286 289 313 329 1 0 2 286 295 301 314 328 354 2 3 5 284 290 299 309 326 349 3 6 9 282 287 297 306 324 346 4 10 19 279 283 294 302 321 342 5 20 35 276 278 291 297 318 337 6 36 49 274 275 289 294 316 334 7 50 79 273 272 288 291 315 331 8 80 119 272 271 287 290 314 330 9 Over 120 271 270 286 289 ...

Page 22: ... 3 Write Serial number by use RS 232 4 Must check the serial number at Instart menu 5 3 3 Method Manual If the TV set is downloaded By OTA or Service man Sometimes model name or serial number is initialized Not always It is impossible to download by bar code scan so It need Manual download 1 Press the instart key of ADJ remote controller 2 Go to the menu 6 Model Number D L like below photo 3 Input...

Page 23: ...en when select the Wheel Key on the controller You must remove the pairing with the TV Set by select Back Home Key on the controller 5 9 3D function test 1 Equipment Pattern Generator MSHG 600 MSPG 6100 SUPPORT HDMI1 4 HDMI mode 872 pattern No 83 2 Process A Please input 3D test pattern like below HDMI mode NO 872 pattern No 83 B When 3D OSD appear automatically then select green button C Don t we...

Page 24: ...Audio practical max Output L R Distortion 10 max Output 9 0 10 0 12 0 W Measurement condition 8 5 8 9 9 8 Vrms 2 Speaker 8Ω Impedance 10 0 15 0 W Measurement condition Measurement condition 1 RF input Mono 1KHz sine wave signal 100 Modulation 2 CVBS Component 1KHz sine wave signal 0 4Vrms 3 RGB PC 1KHz sine wave signal 0 7Vrms 5 13 Camera Function Inspection 1 Objective To check how it connects be...

Page 25: ...POWER CABLE and SIGNAL CABE insertion condition 5 16 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 CORD from A V JACK BOX 5 HI POT test Auto If Test is failed Buzzer operates If Test is p...

Page 26: ...teristics 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 manufacturer IMPORTANT SAFETY NOTICE 900 200 400 410 540 521 522 530 820 503 120 121 LV1...

Page 27: ...CKN AM28 A3P HTTPDN AL28 A4M AK27 A4P AL27 EJ_RSTZ GPIO53 F5 EJ_TRSTZ GPIO54 F4 EJ_TCK GPIO55 D5 EJ_TMS GPIO56 F6 EJ_TDI GPIO57 D4 EJ_TDO GPIO58 E5 EJ_DINT GPIO59 E4 PCM2_CEN GPIO112 AG22 PCM2_IRQA GPIO113 AH22 PCM2_WAIT GPIO114 AG23 PCM2_RESET GPIO115 AH23 GPIO_PM0 GPIO10 J5 GPIO_PM2 GPIO12 R6 GPIO_PM3 GPIO13 P4 GPIO_PM4 GPIO14 N6 GPIO_PM7 GPIO17 N5 GPIO_PM8 GPIO18 J6 GPIO_PM9 GPIO19 K4 GPIO_PM13...

Page 28: ...ND_68 H20 GND_69 H21 GND_70 H22 GND_71 H23 GND_72 H24 GND_73 H25 GND_74 H26 GND_75 H27 GND_76 J7 GND_77 J8 GND_78 J9 GND_79 J10 GND_80 J11 GND_81 J12 GND_82 J13 GND_83 J14 GND_84 J15 GND_85 J16 GND_86 J17 GND_87 J18 GND_88 J19 GND_89 J20 GND_90 J21 GND_91 J22 GND_92 J23 GND_93 J24 GND_94 J25 GND_95 J26 GND_96 K7 GND_97 K8 GND_98 K9 GND_99 K12 GND_100 K13 GND_101 K14 GND_102 K15 GND_103 K16 GND_104...

Page 29: ... RXD1P P3 RXD2N P2 RXD2P P1 RXDCKN M3 RXDCKP M1 DDCDD_CK GPIO41 AA6 DDCDD_DA GPIO42 AB6 HOTPLUGD GPIO34 AB5 CEC GPIO5 W4 SPDIF_IN GPIO94 D10 SPDIF_OUT GPIO95 E10 LINE_IN_0L AJ2 LINE_IN_0R AJ1 LINE_IN_2L AK3 LINE_IN_2R AK1 LINE_OUT_0L AH2 LINE_OUT_0R AJ3 EAR_OUT_L AJ4 EAR_OUT_R AJ5 ARC0 Y6 AUVAG AK2 AUVRM AK4 I2S_IN_BCK GPIO92 B10 I2S_IN_SD GPIO93 C9 I2S_IN_WS GPIO91 B9 I2S_OUT_BCK GPIO98 A7 I2S_OU...

Page 30: ...C434 0 1uF C435 0 1uF C436 0 1uF C437 0 1uF C462 0 1uF C456 0 1uF C453 0 1uF C461 0 1uF C466 0 1uF C455 0 1uF C460 0 1uF C465 0 1uF DDR_VTT C459 0 1uF C464 0 1uF C458 0 1uF C463 0 1uF C454 0 1uF C457 0 1uF M0_DDR_RESET_N M1_DDR_RESET_N IC100 LGE4331 A_DDR3_A0 F16 A_DDR3_A1 C16 A_DDR3_A2 E16 A_DDR3_A3 F17 A_DDR3_A4 B17 A_DDR3_A5 E17 A_DDR3_A6 A16 A_DDR3_A7 D16 A_DDR3_A8 C15 A_DDR3_A9 E15 A_DDR3_A10...

Page 31: ...WER_DET_1 IC503 SN1302001 TPS65286RHDR EAN62911501 1 VIN_1 3 VIN_3 7 V7V 9 EN 10 SW_OUT2 11 SW_OUT1 12 SW_EN2 13 SW_EN1 14 NFAULT2 15 NFAULT1 16 SW_IN1 17 SW_IN2 18 BST 19 LX_1 20 LX_2 21 LX_3 22 SS 23 FB 24 COMP 25 RLIM 26 RSET1 27 RSET2 28 AGND 5 PGND_2 8 MODE SYNC 6 PGND_3 4 PGND_1 2 VIN_2 29 EP P500 SMAW200 H24S5 EAG63590902 19 24V 14 12V 9 GND 4 PDIM 2 18 24V 13 12V 8 3 5V 3 PDIM 1 17 GND 12 ...

Page 32: ...ODEL1_OPT_4 TP601 CAM_PWR_ON_CMD TP600 CAM_SLEEP CAM_SLEEP EDID_WP EDID_WP POWER_DET_1 MODEL1_OPT_3 R627 22 OPT R629 22 OPT R630 MICOM_LM14 10K MODEL1_OPT_5 R631 10K MICOM_NON_GED R626 10K MICOM_GED MODEL1_OPT_5 IC600 R5F100GEAFB 30 EAN62632101 1 P60 SCLA0 2 P61 SDAA0 3 P62 4 P63 5 P31 TI03 TO03 INTP4 6 P75 KR5 INTP9 SCK01 SCL01 7 P74 KR4 INTP8 SI01 SDA01 8 P73 KR3 SO01 9 P72 KR2 SO21 10 P71 KR1 S...

Page 33: ...ULT 1 IN 6 OUT 5 ILIM MHL_OCP C3218 0 1uF 16V L3208 BLM18PG121SN1D R3213 47K R3249 10 D3211 30V OPT R3210 4 7K R3289 100K DDC_SDA_2 5V_NORMAL MHL_DET ZD3200 5V OPT 5 1K R3212 R3229 47K C3220 1uF 10V R3255 5 1 5V_NORMAL 5 1K R3215 R3227 10K R3200 47K L3202 BLM18PG121SN1D Q3203 SI1012CR T1 GE3 S D G C3219 22uF 10V 5V_HDMI_2 SIL9617_INT I2C_SCL8 1 0V_R9531 HDMI_HPD_2 R3211 47K 3 3V_Sil9617 5V_HDMI_3 ...

Page 34: ... SHIELD C805 0 1uF 16V VA802 5 6V COMP_LR_ZENER R811 470K R818 10K R810 470K R817 10K R819 12K VA803 5 6V COMP_LR_ZENER C807 1000pF 50V OPT R820 12K C806 1000pF 50V OPT C808 47pF 50V ZD806 AV2_CVBS_ZENER_ROHM ZD807 AV2_CVBS_ZENER_ROHM ZD800 COMP_ESD R802 75 ZD801 COMP_ESD R803 75 ZD803 COMP_ESD ZD802 COMP_ESD R804 75 ZD805 COMP_ESD ZD804 COMP_ESD R805 1K Q800 MMBT3906 NXP E B C R821 10K R816 10K R...

Page 35: ...10225 M900 GASKET_8 0X6 0X10 5H SMD_GASKET_for_ESD_UB83_US MDS62110225 M904 GASKET_8 0X6 0X10 5H SMD_GASKET_for_ESD_UB83 MDS62110225 M913 GASKET_8 0X6 0X10 5H SMD_GASKET_for_EMS_UB83 MDS62110225 M912 GASKET_8 0X6 0X10 5H SMD_GASKET_for_ESD_UB83_US MDS62110225 M907 GASKET_8 0X6 0X10 5H SMD_GASKET_for_ESD_UB83_US MDS62110225 M911 GASKET_8 0X6 0X10 5H SMD_GASKET_for_ESD_UB83 MDS62110225 M901 GASKET_8...

Page 36: ...NORMAL 5V_USB_3 C1003 10uF 10V USB_DP2 D1003 RCLAMP0502BA 5V ZD1002 OPT USB_DP3 C1002 10uF 10V ZD1001 5V OPT USB_DM2 5V_USB_2 D1004 RCLAMP0502BA USB_DM3 IC1000 BD2242G 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM R1001 4 7K USB_DM1 D1000 RCLAMP0502BA 5V_USB_1 ZD1000 5V OPT C1001 10uF 10V USB_DP1 R1002 14K 1 JK1000 3AU04S 385 ZC LG 1 2 3 4 5 JK1001 3AU04S 385 ZC LG 1 2 3 4 5 JK1002 3AU04S 385 ZC LG 1 2 3 4 ...

Page 37: ...TDN JK1100 1 TLA 6T764 LAN_TDK 1 R1 2 R2 3 R3 4 R4 5 R5 6 R6 7 R7 8 R8 12 SHIELD 9 R9 11 R11 10 R10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A C1103 0 01uF 50V EPHY_TDP VA1103 5 5V C1101 0 01uF 50V C1102 0 1uF 16V VA1101 5 5V EPHY_RDN R1100 0 JK1100 BS R570098 LAN_UDE 1 P1 CT 2 P2 TD 3 P3 TD 4 P4 RD 5 P5 RD 6 P6 CT 7 P7 8 P8 12 SHIELD 9 9 11 P11 10 P10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A Ethernet Block E...

Page 38: ...F 50V I2S_AMP SPK_L C1212 22000pF 50V 24V_AMP 24V_AMP AUD_LRCH C1201 33pF 50V 3 3V_NORMAL C1214 1uF 10V C1213 22000pF 50V AUD_MASTER_CLK C1210 0 1uF 50V C1211 0 1uF 50V L1202 SP 7850_10 10uH L1205 SP 7850_10 10uH L1204 SP 7850_10 10uH L1203 SP 7850_10 10uH IC1200 NTP7514 EAN62886101 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 BCK 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 ...

Page 39: ...UT_MAIN SIDE_HP_MUTE 3 3V_NORMAL R1404 43K 1 HP_OUT R1401 33K C1402 1uF 10V HP_OUT R1403 4 7K HP_OUT C1404 1uF 10V HP_OUT HP_ROUT_MAIN L1400 120 ohm HP_OUT BLM18PG121SN1D C1401 180pF R1402 43K 1 HP_OUT C1408 0 1uF 16V HP_OUT C1407 180pF R1405 33K HP_ROUT_AMP C1403 10pF 50V HP_OUT C1405 10pF 50V HP_OUT IC1400 TPA6138A2 HP_OUT 3 OUTR 2 INR 4 GND_1 1 INR 6 VSS 5 MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 1...

Page 40: ... 2 5TRG1 EAN61387601 TU_Q N M W 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP C1514 1uF TU_Q N M W R1520 10K TU_Q N M W 0 1uF C1515 TU_Q N M W C1516 10uF 10V TU_Q N M W C1513 0 1uF 16V TU_Q N M W R1521 10K 1 16W 1 TU_1 2V R1521 1 18K 1 16W 1 TU_1 1V R1522 10K 1 16W 1 TU_1 2V R1522 1 15K 1 16W 1 TU_1 1V R1502 0 FE_DEMOD1_1 R1501 0 FE_DEMOD1_1 C1504 15pF 50V OPT C1502 15pF 50V OPT R1511 33 R1...

Page 41: ...SHIELD B1 B1 A1 A1 TU1603 2 TDJM C351D DEV_TDJM_C351D 1 B1 3 3V 2 RF_SW_CTL 3 NC_1 4 SCL_RF 5 SDA_RF 6 NC_2 7 NC_3 8 SIF 9 CVBS 10 NC_4 11 NC_5 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VAILD 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 23 D6 24 D7 25 RESET_DEMOD 26 B2 3 3V 27 SCL_DEMOD 28 B3 1 1V 29 NC_6 30 SDA_DEMOD 47 SHIELD B1 B1 A1 A1 TU1602 1 TDJM G255D DEV_TDJM_G255D 1 B1 3 3V 2 NC_1 3 NC_2 4 SCL_RF 5 SD...

Page 42: ...ONE SOC_RX ZD1701 20V ADUC 20S 02 010L OPT C1702 0 1uF RS232C_PHONE C1700 0 33uF RS232C_PHONE SOC_TX ZD1700 ADUC 20S 02 010L 20V OPT C1704 0 1uF RS232C_PHONE C1701 0 1uF RS232C_PHONE R1700 100 RS232C_PHONE L1700 BLM18PG121SN1D HP_OUT R1705 100 1 16W 5 HP_OUT R1706 10K HP_OUT C1707 0 22uF 10V HP_OUT 3 3V_NORMAL L1701 BLM18PG121SN1D HP_OUT R1704 150 1 10W 5 HP_OUT C1706 0 22uF 10V HP_OUT R1703 150 1...

Page 43: ... 1 LNB A_GND D1803 40V LNB_SMAB34 D1804 40V LNB_SMAB34 LNB_TX C1804 0 1uF 50V LNB C1808 0 1uF LNB C1809 10uF 25V LNB C1812 0 1uF LNB C1802 0 22uF 25V LNB I2C_SCL2 C1800 18pF LNB C1801 33pF LNB IC1800 A8303SESTR T LNB EAN62653701 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND D1801 1 30V SS23...

Page 44: ..._4 P3 VCCQ_5 P5 VCC_1 E6 VCC_2 F5 VCC_3 J10 VCC_4 K9 VDDI C2 VSS_1 E7 VSS_2 G5 VSS_3 H10 VSS_4 K8 VSSQ_1 C4 VSSQ_2 N2 VSSQ_3 N5 VSSQ_4 P4 VSSQ_5 P6 NC_1 A1 NC_2 A2 NC_3 A8 NC_4 A9 NC_5 A10 NC_6 A11 NC_7 A12 NC_8 A13 NC_9 A14 NC_10 B1 NC_11 B7 NC_12 B8 NC_13 B9 NC_14 B10 NC_15 B11 NC_16 B12 NC_17 B13 NC_18 B14 NC_19 C1 NC_20 C3 NC_22 C7 NC_23 C8 NC_24 C9 NC_25 C10 NC_26 C11 NC_27 C12 NC_28 C13 NC_2...

Page 45: ... 470K EU R2103 10K EU R2110 12K EU R2104 10K EU R2101 470K EU R2111 12K EU R2106 75 EU R2109 75 EU R2107 75 EU R2116 1K 1 16W 5 EU R2105 75 3216 EU CVBS_OUT_SEL R2118 10K EU_CVBSOUT Q2100 2SC3052 EU_CVBSOUT E B C 3 3V_NORMAL L2100 BLM18PG121SN1D EU_CVBSOUT 3 3V_CVBS_out R2119 1 8K EU_CVBSOUT Q2101 RTR030P02 EU_CVBSOUT S D G C2108 1uF OPT R2120 1K OPT 3 3V_CVBS_out Q2103 RTR030P02 EU_CVBSOUT S D G ...

Page 46: ...470K OPT C2209 6800pF OPT IC2200 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC DTV MNT_R_OUT R2204 33K EU C2208 33pF EU Q2201 MMBT3904 NXP EU E B C Q2202 1 PDTA114ET EU_SCART_MUTE_NXP E B C 12V R2211 2 2K EU R2200 10K EU SCART_AMP_R_FB R2201 10K EU SCART_AMP_L_FB R2214 5 6K EU R2215 220K EU C2211 330pF EU R2216 5 6K EU R2217 220K EU C2212 330pF EU SCART_Rout C2202 10uF EU C2210...

Page 47: ..._MDI 7 AR2309 33 CI_IORD C2300 2pF 50V R2309 10K EB_ADDR 11 EB_ADDR 14 CAM_IREQ_N CI_MDI 2 CI_OE CI_MIVAL_ERR CI_MDI 0 REG CI_ADDR 0 14 CI_CD1 CI_MDI 2 EB_ADDR 1 REG TPI_SOP 5V_NORMAL EB_ADDR 4 R2306 33 C2303 10uF 10V EB_ADDR 12 CI_ADDR 12 CI_MISTRT AR2303 33 CI_MCLKI EB_ADDR 9 IC2300 74LVC1G32GW OR_GATE_CI_PHILIPS 3 GND 2 A 4 Y 1 B 5 VCC TPI_CLK C2301 0 1uF GND CI_ADDR 10 AR2307 33 AR2304 33 CI_I...

Page 48: ...C13303 0 1uF 16V C13022 0 1uF TXDAP4_L R12901 0 Non_UB95 GND_Vx1 IC2500 LGE7411 URSA9 RB0N AG2 RB0P AG1 RB1N AH3 RB1P AH1 RB2N AH2 RB2P AJ3 RBCKN AJ2 RBCKP AK2 RB3N AK1 RB3P AL1 RB4N AM2 RB4P AL2 RC0N AK3 RC0P AL3 RC1N AK4 RC1P AL4 RC2N AM4 RC2P AK5 RCCKN AM5 RCCKP AL5 RC3N AK6 RC3P AL6 RC4N AK7 RC4P AL7 RD0N AM7 RD0P AK8 RD1N AM8 RD1P AL8 RD2N AK9 RD2P AL9 RDCKN AK10 RDCKP AL10 RD3N AM10 RD3P AK1...

Page 49: ...10K OPT TXDAN2_L R220 0 OPT TXDAP5_L GND_Vx1_2 TXDBN11_L R13041 10K LGD_Module R13055 33 OPT 3 3V_NORMAL R13059 33 OPT TXDBN2_L TXDBP6_L R221 0 URSA_TX_HTPD_Pullup TXDBN8_L R13063 1 5K R222 10K URSA_TX_HTPD_Pullup TXDBN7_L R211 1 5K URSA_TX_HTPD_Pullup TXDBP0_L 1 8V HTPDn_IN TXDBP1_L TXDAN4_L LOCKn_IN L13000 MLB 201209 0120P N2 51pin_12V TXDAN7_L L13001 BLM18PG121SN1D OLED R13037 0 Non_AUO_Module ...

Page 50: ... 0 1uF 16V C13151 0 1uF 16V A_DDR3_A 8 A_DDR3_CKE A_DDR3_A 0 B_DDR3_DQS3B A_DDR3_A 15 1 5V_U_DDR A_DDR3_DQS2B C13150 4700pF DDR_VTT_URSA_0 A_DDR3_A 10 B_DDR3_A 4 1 5V_U_DDR A_DDR3_A 13 DDR_VTT_URSA A_DDR3_A 7 A_DDR3_A 6 B_DDR3_BA 2 R13103 1K B_DDR3_CASZ 1 5V_U_DDR B_DDR3_A 0 A_DDR3_DQS2 A_DDR3_A 15 B_DDR3_A 8 C13232 0 1uF 16V C13204 0 1uF 16V A_DDR3_DM3 A_DDR3_DM3 B_DDR3_DM0 B_DDR3_A 11 A_DDR3_A 4...

Page 51: ...16 F5 NC_17 M5 NC_18 M6 NC_19 M7 NC_20 N5 NC_21 R7 NC_22 P7 NC_23 N7 NC_24 N6 I2C_HSC_SDA VSYNC_LIKE2 AG25 I2C_HSC_SCL VSYNC_LIKE3 AH25 SPI1_CK PWM2 GPIO58 AH28 SPI1_DI PWM3 GPIO59 AJ27 SPI2_CK PWM0 GPIO56 AJ29 SPI2_DI PWM1 GPIO57 AF27 SPI3_CK DIM10 GPIO54 AG28 SPI3_DI DIM11 GPIO55 AH27 SPI4_CK DIM8 GPIO52 AG27 SPI4_DI DIM9 GPIO53 AG26 VSYNC_LIKE PWM5 GPIO40 AF28 DIM0 GPIO 32 AG23 DIM1 GPIO 33 AG2...

Page 52: ...VSS_202 AJ13 VSS_203 G14 VSS_204 H14 VSS_205 J14 VSS_206 K14 VSS_207 L14 VSS_208 P14 VSS_209 R14 VSS_210 T14 VSS_211 U14 VSS_212 V14 VSS_213 W14 VSS_214 Y14 VSS_215 AA14 VSS_216 AB14 VSS_217 AE14 VSS_218 AF14 VSS_219 AG14 VSS_220 AH14 VSS_221 AJ14 VSS_222 A15 VSS_223 B15 VSS_224 D15 VSS_225 G15 VSS_226 H15 VSS_227 J15 VSS_228 K15 VSS_229 L15 VSS_230 M15 VSS_231 N15 VSS_232 P15 VSS_233 R15 VSS_234 ...

Page 53: ...uF 16V R13406 91K 1 16W 1 C13446 2200pF 50V 1 0V_DCDC_ROHM R13403 4 7 C13411 22uF C13400 22uF C13440 10uF 25V OPT 12V ZD13400 2 5V OPT R13421 18K 1 C13445 1uF 10V C13406 2200pF 50V C13409 10uF 16V R13402 3 3 1 10W 5 C13434 10uF 25V TCON_PWR_5pin_Wafer R13405 27K 1 16W 1 C13446 1 3300pF 50V 1 0V_DCDC_TI C13407 1uF 10V R13407 39K 1 16W 5 R13404 10K VDDC R13424 10K L13402 C13404 470pF 50V C13402 0 1u...

Page 54: ......

Page 55: ... off while viewing power auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 Remote control Local switch checking 10 MR13 i h ki 11 D Function error MR13 operating checking 11 11 12 Wifi operating checking 12 13 External device recognition error 13 13 External device recognition error 13 145 E Noise Circuit noise mechanical noise 14 15 F Exterior error ...

Page 56: ...k Power Board 24V 12V 3 5V etc Normal voltage Y Replace T con Main Board or module And Adjust VCOM A18 A1 N Move to No video No audio N N Repair Power Board or parts Check Power Board 24V output A18 Normal voltage Y Replace Inverter or module N End Repair Power Board or parts Always check record S W Version and White Precaution A4 A2 Always check record S W Version and White Balance value before r...

Page 57: ... audio Revised date 2 16 Check various Check and Y A18 Normal voltage Check various voltages of Power Board 3 5V 12V 20V or 24V No Video No audio Check and replace MAIN B D Y N End Replace Power Board and repair parts 2 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ...al Signal Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc N N Check RF Cable Connection Check DVD Player Set Top Box Different maker TV etc SVC Check T ld i Y Close Normal Y A4 1 Reconnection 2 Install Booster S W Version S W Upgrade Bulletin Tuner soldering Y Close Picture Contact with signal distributor N ...

Page 59: ... D error Check error COMPONENT AV HDMI N End Replace module error color input mode Y External device C bl External Input C t Check external R l M i T B D Ch k T t tt A8 Cable normal Component error external device and cable Replace Main T con B D N Request repair Check Test pattern Y External device Check external N for external device cable External device Cable normal HDMI error device and cable...

Page 60: ...evice screen error Color error Check Test pattern For other panel External Input error Connect other external device and cable N Replace Screen Check screen condition by input External Input Component HDMI DVI Check S W Version N Check version Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Y Replace Main T con B D normal Requ...

Page 61: ...High Check Power cord Check Logo LED Replace Power B D Y OK Replace Main B D Stand By Red or Turn On Operating Turn Off Check Power cord was inserted properly Measure voltage of each output of Power B D Replace Main B D N Normal A18 Y Normal voltage Replace Main B D Y Y N g Check ST BY 3 5V Replace Power B D N Y Normal voltage A18 Close Replace Power B D 6 Copyright ⓒ 2014 LG Electronics Inc All r...

Page 62: ...EY P ff b REMOTE CONTROL Please refer to the all cases which N l POWEROFF_REMOTEKEY Power off by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF ONTIMER P ff b ON TIMER can be displayed on power off mode Normal POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_...

Page 63: ...reen normal Check user menu Speaker off Off N Check audio B 24V of Power Board Normal voltage Y A20 A21 A18 Speaker off Y Cancel OFF Board N Replace Power Board and repair parts Check Speaker N Replace MAIN Board End Disconnection disconnection Y Replace Speaker 8 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 64: ...iscontinuation Noise only for D TV N Normal voltage RF External Input signal normal Replace Main B D N Wrecked audio Discontinuation Noise only for Analog Replace Power B D When RF signal is not received Wrecked audio Discontinuation Noise only for External Input Connect and check N Normal received Request repair to external cable ANT provider Replace Main B D In case of End Connect and check othe...

Page 65: ...or solder Normal operating Check B 3 5V On Main B D Normal Voltage N A18 Check IR Output signal Normal Signal N Y N A22 Y Check R C Operating When turn off light in room Check Replace Baterry of R C Close Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A18 Repair Replace IR B D Normal operating Close If R C operate Explain the customer cause is interferen...

Page 66: ...ss the wheel Check the INSTART menu RF Receiver ver is 00 00 Y N Check Replace Battery of MR13 Close Y Check Repair RF assy connection A23 Normal operating Close Is show ok message N N Press the back key about 5sec Y RF Receiver ver N Cl A4 N Y Replace MR13 y Close Y is 00 00 Close If you conduct the loop at 3times change the M4 Down load the Firmware INSTART MENUÆ14 RF Remocon TestÆ3 Firmware dow...

Page 67: ...ting error Revised date 12 16 Check the INSTART menu Wi Fi Mac value is NG N Check the Wifi wafer 1pin Normal Voltage N Replace Main B D A24 A4 Y Check Repair Wifi cable Close Y A24 connection A4 Wi Fi Mac value is NG N Close A4 Change the Wifi assy Y 12 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...ion Fix information S W Version N Technical information Check input signal Signal input Y External Input and Component Recognition error Replace Main B D S W Version Y N Check and fix external device cable HDMI DVI Optical Recognition error Replace Main B D Fix in accordance with technical information 14 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 69: ... provide the description M h i l i i t l p p OR If there is a Tak Tak noise from the cabinet refer to the KMS fix information and then proceed as shown in the solution manual For models without any fix information OR Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description i P t l ...

Page 70: ... 16 Z i h Replace module Zoom part with exterior damage Module damage Cabinet Cabinet damage Replace cabinet Replace remote controller Remote controller Replace remote controller controller damage Stand dent Replace stand dent ep ace sta d 16 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ...Vertical Horizontal bar LCD TV ti di A6 7 A Video error _Vertical Horizontal bar residual image light spot LCD TV connection diagram A6 8 A Video error_ Color error Check Link Cable EPI reconnection condition A7 9 Adj A J K A8 9 Adjustment Test pattern ADJ Key A8 10 Appendix Exchange Main Board 1 A 1 5 11 Exchange Main Board 2 A 2 5 Appendix Defected Type caused by T Con Inverter Module 12 Exchang...

Page 72: ...dio Normal video Checking method in menu when there is no audio A20 20 Voltage and speaker checking method A21 20 Voltage and speaker checking method when there is no audio A21 21 Remote controller operation checking method A22 D Function error 22 Motion Remote operation checking method A23 23 Wifi operation checking method A24 24 Camera operation checking method A25 Not Used 24 Camera operation c...

Page 73: ...al audio LCD TV 2013 01 31 date A1 Content Check LCD back light with naked eye XXUB83 820X XX After turning on the power and disassembling the case check with the naked eye whether you can see light from locations A1 Tuner is different from region Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 74: ...to White Balance of item 6 3 Aft di th R G B GAIN C t l f C l T 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 10 A2 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing...

Page 75: ...mptom Content LCD TV 2014 02 14 TUNER input signal strength checking method ALL MODELS A3 date Content MENU Æ support Æ signal test Æ l t h l Æ select channel When the signal is strong use the attenuator 10dB 15dB 20dB etc attenuator 10dB 15dB 20dB etc A3 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 76: ...ror symptom Content LCD TV 2014 02 14 LCD TV Version checking method 1 Checking method for remote controller for adjustment ALL MODELS A4 date Content Version Press the IN START with the remote t ll f dj t t controller for adjustment A4 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ...UNER checking part ALL MODELS A5 date Content Checking method 1 Check the signal strength or check whether the screen is normal when the external device is connected 2 After measuring each voltage from power supply finally replace the MAIN BOARD g g p pp y y p A5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 78: ...ot A6 Established date Revised Error symptom Content LCD TV 2014 02 14 LCD TV connection diagram 1 A6 date Content ALL MODELS As the part connecting to the external input check the screen condition by signal A6 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 79: ...r symptom Content LCD TV 2014 02 14 Check Link Cable LVDS reconnection condition A7 date Content ALL MODELS Check the contact condition of the Link Cable especially dust or mis insertion A7 Tuner is different from region Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 80: ...V 2014 02 14 Adjustment Test pattern ADJ Key A8 date Content You can view 6 types of patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A8 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 81: ...Broken T Con Defect CNT Broken T Con Defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack A 1 5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 82: ...tion Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Fuse Open Abnormal power section Abnormal Display Noise GRADATION GRADATION A 2 5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 84: ...damage Panel Mura Light leakage Crosstalk Crosstalk Press damage Un repairable Cases In this case please exchange the module p g Press damage A 4 5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 85: ...Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Un repairable Cases In this case please exchange the module Gate TAB IC Defect Horizontal Block p g Gate TAB IC Defect Gate TAB IC Defect A 5 5 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 86: ...te Revised Error symptom Content LCD TV 2014 02 07 Check front Power Indicator A17 date Content XXUB83 820X XX ST BY condition On or Off A17 ST BY condition On or Off Power ON condition Turn Off Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 87: ... 5V Check the DC 24V 12V 3 5V P main P_main Maker Yeonho 28Pin SMAW200 H28S5K 14년 적용 28Pin map LPB 1 PWR ON 2 DVR_ON 3 P_DIM 1 4 PDIM 2 5 3 5V 6 GND 7 3 5V 8 3 5V 9 GND 10 GND 11 12V 12 12V 13 12V 14 12V 15 12V 16 GND 17 GND 18 24V 19 24V 20 24V 21 24V 22 24V 21 24V 22 24V 23 GND 24 GND 25 SCLK 26 GND 27 SIN 28 VSYNC A18 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and ...

Page 88: ...ised Error symptom Content LCD TV 2014 02 05 POWER OFF MODE checking method ALL MODELS A19 date Content Entry method 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 A19 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 89: ... 2014 02 05 Checking method in menu when there is no audio A20 date Content XXUB83 820X XX Checking method 1 Press the Setting button on the remote controller g 2 Select the Sound function of the Menu 3 Select the Sound Out 4 Select TV Speaker p A20 Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...ND 17 GND 18 24V 19 24V 20 24V 21 24V 22 24V 1 SPK_R 23 GND 24 GND 25 SCLK 26 GND 27 SIN 28 VSYNC 2 SPK_R 3 SPK_L 4 SPK_L Checking order when there is no audio 1 Check the contact condition of or 24V connector of Main Board 2 Measure the 24V input voltage supplied from Power Board If there is no input voltage remove and check the connector 3 Connect the tester RX1 to the speaker terminal and if yo...

Page 91: ...15 IR 16 3 5V_ST 17 LED_R Checking order 18 GND Checking order to check remote controller Wifi BT Combo g 1 Check IR cable condition between IR Main board Check picture number and 2 Check the standby 3 5V on the terminal 16 pin 3 AS checking the Pre Amp IR LED light the power is in ON condition an Analog Tester needle should move slowly otherwise it s defective needle should move slowly otherwise ...

Page 92: ...BT_RESET 4 USB_DM 5 NC Front 6 USB_DP 7 WOL 8 GND 9 SDA Back 10 GND 11 SCL 12 KEY1 13 GND 14 KEY2 15 IR 16 3 5V_ST 17 LED_R 18 GND Checking order to check motion remote wifi Wifi BT Combo Checking order 1 Check BT Wifi cable condition between BT Wifi assy Main board 2 Check the 3 5V on the terminal 16 Checking order to check motion remote wifi A23 Copyright ⓒ 2014 LG Electronics Inc All right rese...

Page 93: ...3 MHL LNB USB2 USB3 2 0 Video 4K 30p 2K 60p Vx1 4 lane OSD FHD 60p Vx1 2 lane 4GB I2S Out Vx1 USB 2A OCP 1 5A HDD Sil9617 LGE7411 MAIN Audio AMP NTP7514 HDMI1 HDCP2 2 HDMI2 ARC HDMI MUX I2S Out I2C 4 IR KEY IR KEY HDCP2 2 R9531AN Sil9617 LGE7411 Mux H P AV COMP SCART IN OUT CVBS YPbPr CVBS RGB WIFI BT Combo LOGO LIGHT Ready SUB ASSY USB_WIFI X_TAL 27MHz Serial Flash 4MB OPTIC LAN Sub Micom RENESAS...

Page 95: ... 33Ω 1 8KΩ IC1600 I2C_SDA_micom 1 8KΩ I2C_SDA1 I2C_SCL1 33Ω IC102 NVRAM _ 3 3 OR A 33Ω IC1600 Renesas MICOM I2C_SCL_micom 1 8KΩ 3 3V_NORMAL 3 3V_NORMAL 1 8KΩ I2C_SDA6 I2C_SCL6 I2C_SDA5 I2C_SCL5 TU1602 TUNER 33Ω IC3202 R9531AN 1 8KΩ 3 3V_NORMAL 33Ω 3 3V_NORMAL SWAP 예정 IC2500 URSA9 I2C_SDA7 I2C_SCL7 3 3KΩ 33Ω I2C_SDA8 I2C_SCL8 IC3206 Sil9617 MHL 3 3KΩ 33Ω I2C CH 6 7 8 S W I2C 임 Copyright ⓒ 2014 LG E...

Page 96: ...VTT R9531 MHL 3A IC504 4381mA 457mA 500mA D Demod_ Core 2A IC1500 Tuner mA LM14 mA R9531 1V R9531 2A 500mA 1 1V 1 13V Core 6A IC502 LM14 12V R9531 IC3204 1 5V IC13100 DDR_VTT_ URSA DDR_VTT_URSA 1 5V IC13403 URSA9 DDR DDR_URSA 1 5V IC13402 URSA9 Core 8A URSA9 PANEL VCC 500mA LNB 700mA LNB option CI SLOT URSA9 DDR HDMI MHL 24V 830mA 912mA 5V NORMAL 6A IC503 2000mA 1500mA USB1 USB2 3 R9531 NTP7514 Co...

Page 97: ...A 0 7 EB_ADDR 0 14 CI_ADDR 0 14 EB_BE_N1 AJ14 PCMIORD CI_IORD AM23 AM16 AL21 AJ12 CI_ADDR 0 14 EB_DATA 0 7 AL18 PCM_RST PCM_RESET FE_DEMOD1_TS_DATA 0 17 FE_DEMOD1_TS_DATA 1 18 FE_DEMOD1_TS_DATA 2 19 FE_DEMOD1_TS_DATA 3 20 FE_DEMOD1_TS_DATA 4 21 FE_DEMOD1_TS_DATA 5 22 FE_DEMOD1_TS_DATA 6 23 FE_DEMOD1_TS_DATA 7 24 FE_DEMOD1_TS_DATA 0 7 E11 GPIO152 EB_WE_N EB_OE_N CAM_IREQ_N CAM_REG_N CAM_WAIT_N CI T...

Page 98: ...BS_IN CVBS2 SCART SC_CVBS_IN SC_FB ID SC R G B CVBS1 SC_CVBS_IN SC_FB ID VSYNC0 HSYNC0 SC R G B JK2100 SC_R G B SC_L R_IN RIN0P GIN0P BIN0P LINE_IN_2L LINE_IN_2R SC_R G B SC_L R_IN DTV MNT_V_OUT CVBSOUT1 DTV MNT_V_OUT Tuner JK2100 TU_CVBS TUNER_SIF IF_P N CVBS0 SIFP VIFP VIFM TU_CVBS TUNER_SIF IF_P N Parallel TS ERROR VAL SYNC CLK Parallel TS ERROR VAL SYNC CLK Parallel TS ERROR VAL SYNC CLK Copyr...

Page 99: ... AUD_LRCH 4P WAFER AUD_LRCK AUD_SCK SDA4 I2C_SDA4 I2C SCL4 LINE_IN_2L LINE_IN_2R DVB only AUD_MASTER_CLK I2S_OUT_MCK LPF SPEAKER_L SPEAKER R JK2100 I2S_OUT_WS I2S_OUT_SD I2S_OUT_BCK NTP7514 r LM14 SCL4 I2C_SCL4 AMP_MUTE GPIO153 AMP_RESET_N LPF SPEAKER_R Tuner TR BUF SIFP TUNER_SIF IC3000 MICOM SPDIF_OUT SPDIF_OUT HP_LOUT HP_ROUT HEAD PHONE LPF EAR_OUT_L EAR_OUT_R JK801 JK803 SIDE_HP_MUTE Copyright...

Page 100: ...2 USB_OCD2 USB2_DM USB2_DP GPIO169 GPIO170 HDD OCP USB_DP3 5V_USB_3 USB_CTL3 USB_OCD3 USB0_DM USB0_DP USB3 USB_DM3 GPIO171 GPIO172 USB2 0 USB_WIFI BT WIFI_DM WIFI_DP USB1_DM USB1_DP TX1 SOC_TX LM14 TX1 RX1 SOC_RX 4Pin debugging wafer RENESAS MICOM Copyright ⓒ 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ...P VBY1 RXM P 0 2 VBY 2 3 N P Vx1 8Lane 51P FHD 60Hz Vx1 2 Lane OSD GPIO 14 URSA9_CONNECT GPIO VX1R_LOCK_O Vx1_LOCKn HTPDn_O V LOCKN_D Q TXDAN0 P0 N7 P7_L ICS SDA SCL VBY1_RXM P 0 2 VBY 2 3 _N P L_DIM_EN I2C_SCL4 SDA4 LM14 LOCKn_IN HTPDn_IN VX1T_LOCKN VX1T_HTPDN SPI4_CK DIM8 GPIO52 URSA_RESET RESET I2CS_SDA SCL TCON_I2C_EN INT_R21 GPIO 41 GPIO 4 5 Data_Format_0 1 GPIO 52 3D_EN I2C_SCL7 SDA7 ICS_SDA...

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