LG 65EF9500 Скачать руководство пользователя страница 85

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Contents of LCD TV Standard Repair Process Detail Technical Manual

No.

Error symptom

Content

Page

Remarks

A. Video error_ No video/Normal
audio

Check LCD back light with naked eye

Check White Balance value

A. Video error_ video error /Video
lag/stop

TUNER input signal strength checking
method

LCD-TV Version checking method

Tuner Checking Part

A. Video error _Vertical/Horizontal bar,
residual image, light spot

LCD TV connection diagram

A. Video error_ Color error

Check Link Cable (EPI) reconnection
condition

<Appendix>
Defected Type caused by T-Con/
Inverter/ Module

Exchange Module (1)

A-1/2

Exchange Module (2)

A-2/2

Continue to the next page

LGE Internal Use Only

Содержание 65EF9500

Страница 1: ...ODEL 65EF9500 65EF9500 UA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL OLED 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 ...

Страница 2: ...l rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 BLOCK DIAGRAM 24 EXPLODED VIEW 34 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLESHOOTING APPENDIN ...

Страница 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed m...

Страница 4: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent...

Страница 5: ...he solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replace...

Страница 6: ...dard Voltage of each product 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 LGE TV test method followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC spec...

Страница 7: ... H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 720 480i 15 73 59 94 13 50 SDTV DVD 480I 525I 2 720 480i 15 73 60 00 13 51 SDTV DVD 480I 525I 3 720 480p 31 47 59 94 27 00 SDTV 480P 4 720 480p 31 50 60 00 27 03 SDTV 480P 5 1280 720 44 96 59 94 74 18 HDTV 720P 6 1280 720 45 00 60 00 74 25 HDTV 720P 7 1280 720 45 00 50 00 74 25 HDTV 720P 50Hz 8 1920 1080 28 13 50 00 74 25 HDTV 1080I 50Hz 9 1...

Страница 8: ... 1080 33 71 29 97 79 12 HDTV 1080P 15 1920 1080 33 75 30 00 79 20 HDTV 1080P 16 1920 1080 67 43 59 94 148 35 HDTV 1080P 17 1920 1080 67 50 60 00 148 50 HDTV 1080P 18 3840 2160 53 95 23 98 297 00 UDTV 2160P UHD only 19 3840 2160 54 00 24 00 297 00 UDTV 2160P UHD only 20 3840 2160 56 25 25 00 297 00 UDTV 2160P UHD only 21 3840 2160 61 43 29 97 297 00 UDTV 2160P UHD only 22 3840 2160 67 50 30 00 297 ...

Страница 9: ...osed Remarks 1 1280 720 37 50 50 74 25 HDTV 720P 2D to 3D Side by Side Top Bottom 2 1920 1080 28 13 50 74 25 HDTV 1080I 2D to 3D Side by Side Top Bottom 6 2 HDMI Input 6 3 HDMI1 4 2 0 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 720 480 31 469 31 5 62 938 63 59 94 59 94 60 27 00 27 03 SDTV 480P 2D to 3D Side by Side Half Top Bottom Checker Board ...

Страница 10: ...Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 28 12 50 00 148 50 20 Side by side Full HDTV 1080I 33 72 33 75 59 94 60 00 74 17 74 25 5 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 33 72 33 75 59 94 60 00 148 35 148 50 5 Side by side Full HDTV 1080I 56 25 50 00 148 50 20 Frame packing Primary HDTV 1080I HDTV 1080I 67 43 67 50 59 94 60 00 148 35...

Страница 11: ...P 11 1920 1080 56 25 50 00 74 25 HDTV 1080P 12 1920 1080 26 97 23 97 74 18 HDTV 1080P 13 1920 1080 33 75 30 00 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 18 HDTV 1080P 6 5 HDMI PC Input 3D 3D supported mode manually 6 6 Component Input 3D 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 1024 768 48 36 60 00 65 00 HDTV 768P 2D to 3D Side by Side hal...

Страница 12: ...manually 6 9 USB DLNA 3D 3D supported mode automatically 6 10 Miracast Widi 3D supported mode manually Remark 3D Input mode No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 Under 320x240 2D to 3D 2 Over 320x240 2D to 3D Side by Side Half Top Bottom No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 1080p 33 75 30 00 74 25 Side by Side Half Top Bo...

Страница 13: ...ion When still image is displayed for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Adjustment items 3 1 Main PCBA Adjustments MAC Address Download ADC adjustment 480i Comp1 1920 1080 Comp1 EDID DDC download Above adjustment items can be also performed in Final Assembly ...

Страница 14: ... 4 remove LAN CABLE 4 5 Model name Serial number Download 4 5 1 Model name Serial number D L Press P ONLY key of service remocon Baud rate 115200 bps Connect RS 232C Signal to USB Cable to USB Write Serial number by use USB port Must check the serial number at Instart menu 4 5 2 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Techn...

Страница 15: ... ID ⓑ Serial No Controlled on production line ⓒ Month Year Controlled on production line ex Monthly 01 01 Year 2015 19 ⓓ Model Name Hex LGTV ⓔ Checksum LG TV Changeable by total EDID data ⓕ Vendor Specific HDMI 5 2 4 1 EDID DTS HDMI1 C S 0xA0 0xE5 HDMI UHD Deep On Case EDID Block 0 Bytes 0 127 EDID Block 1 Bytes 128 255 EDID Block 0 Bytes 0 127 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF ...

Страница 16: ... 62 63 64 23 09 57 07 7C 03 0C 00 10 00 B8 3C 20 20 C0 8E 01 02 03 04 01 4F 00 FE 08 10 06 10 18 10 30 28 10 38 10 E3 0E 61 66 01 1D 80 18 71 1C 16 20 40 58 2C 25 00 40 84 63 00 00 9E 01 1D 00 72 51 D0 50 1E 20 6E 28 55 00 40 84 63 00 00 1E 00 00 00 00 60 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 62 EDID Block 0 Bytes 0 127 0 1 2 3 4 5 6 7 8 9 A...

Страница 17: ...9 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 40 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30 50 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 E6 EDID Block 1 Bytes 128 255 0 1 2 3 4 5 6 7 8 9 A B...

Страница 18: ...hts reserved Only for training and service purposes AC3 HDMI1 C S E6 7B _3G_UHD Deep Color OFF AC3 HDMI2 C S E6 6B _3G_UHD Deep Color OFF AC3 HDMI3 C S E6 5B _3G_UHD Deep Color OFF PCM HDMI1 C S A0 60 _6G_UHD Deep Color ON PCM HDMI2 C S A0 50 _6G_UHD Deep Color ON ...

Страница 19: ... _6G_UHD Deep Color ON TBD PCM HDMI1 C S E6 ED _3G_UHD Deep Color OFF PCM HDMI2 C S E6 DD _3G_UHD Deep Color OFF PCM HDMI3 C S E6 CD _3G_UHD Deep Color OFF Checksum HDMI 1 2 3 DTS AC3 PCM 3D 3G 6G 3G 6G 3G 6G HDMI1 E6 72 A0 E5 E6 7B A0 EE E6 ED A0 60 HDMI2 E6 62 A0 D5 E6 6B A0 DE E6 DD A0 50 HDMI3 E6 52 A0 C5 E6 5B A0 CE E6 CD A0 40 ...

Страница 20: ...tion and cautionary items 1 Lighting condition 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 80 100 3 Aging time 1 After Aging Start Keep the Power ON status during 5 Minutes 2 In case of LCD Back light on should be checked using...

Страница 21: ...t data and decrease the others Adjustment mode mode Warm 5 3 7 Reference White Balance Adj coordinate and color temperature 1 Luminance 204 Gray 80IRE 2 Standard color coordinate and temperature using CS 1000 over 26 inch 5 3 8 Reference White Balance Adj coordinate and color temperature Luminance 204 Gray Standard color coordinate and temperature using CS 1000 over 26 inch Mode Coordinate Temp uv...

Страница 22: ...y option select US CA MX Selection is done using or KEY 5 7 HDMI ARC Function Inspection 5 7 1 Test equipment Optic Receiver Speaker MSHG 600 SW 1220 HDMI Cable for 1 4 version 5 7 2 Test method 1 Insert the HDMI Cable to the HDMI ARC port from the master equipment HDMI2 2 Check the sound from the TV Set 3 Check the Sound from the Speaker or using AV Optic TEST program It s connected to MSHG 600 5...

Страница 23: ...O output check No Item Min Typ Max Unit Remark 1 Audio practical max Output L R Distortion 10 max Output 9 10 12 W EQ Off AVL Off Clear Voice Off 6 07 8 10 10 8 Vrms 2 Speaker 8Ω Impedance 9 10 12 W EQ On AVL On Clear Voice On Measurement condition 1 RF input Mono 1KHz sine wave signal 100 Modulation 2 CVBS Component 1KHz sine wave signal 0 4Vrms 8 USB S W Download optional Service only 1 Put the ...

Страница 34: ...stics 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 811 A10 A22 AG1 200 821 820 531 530 540 121 120 810 400 401 900 710...

Страница 35: ...1 AH29 GPIO23 TX3 GPIO78 AA4 GPIO24 RX3 GPIO79 W6 DIM2 TX4 GPIO112 F14 DIM3 RX4 GPIO113 F12 GPIO2 GPIO57 AJ27 GPIO28 SCK0 GPIO83 AJ7 GPIO29 SDA0 GPIO84 AH8 DDCR_CK SCK3 GPIO54 E11 DDCR_DA SDA3 GPIO53 E10 GPIO30 SCK4 GPIO85 AJ6 GPIO31 SDA4 GPIO86 AG8 GPIO32 SCK5 GPIO87 AH7 GPIO33 SDA5 GPIO88 AJ8 VID0 GPIO50 L6 VID1 GPIO51 M6 LED0 GPIO29 AD5 LED1 GPIO30 AD4 WOL_INT_OUT GPIO GPIO52 AB5 LVSYNC VX1_0 A...

Страница 36: ...9 K12 VDDC_10 K13 VDDC_11 L9 VDDC_12 L10 VDDC_13 L11 VDDC_14 L12 VDDC_15 R11 VDDC_16 R12 VDDC_17 R13 VDDC_18 T11 VDDC_19 T12 VDDC_20 T13 VDDC_21 U11 VDDC_22 U12 VDDC_23 U13 AVDDL_PREDRV_1 W21 AVDDL_PREDRV_2 Y21 AVDDL_PREDRV_3 AD29 AVDDL_MOD_1 AD30 AVDDL_MOD_2 W20 AVDDL_MOD_3 Y20 AVDD15_MOD_1 U19 AVDD15_MOD_2 V19 AVDDL_USB3_1 AA13 AVDDL_USB3_2 AF11 VDDC_CPU_1 U21 VDDC_CPU_2 U22 VDDC_CPU_3 U23 VDDC_...

Страница 37: ...Q17 M1_DDR_RESET_N IC402 AP2303MPTR G1 3 VREFEN 2 GND 4 VOUT 1 VIN 5 NC_1 6 VCNTL 7 NC_2 8 NC_3 9 EP C427 0 1uF M1_DDR_DQ12 M0_DDR_DQ29 M0_DDR_DQ0 M1_DDR_A7 M0_DDR_DQ30 AVDD_DDR M0_DDR_A0 M0_DDR_A11 M1_DDR_RASN M0_DDR_DQS_N3 M1_DDR_DQS0 M0_DDR_A4 M0_DDR_A2 M1_DDR_RASN K4B4G1646D BCMA IC404 1 SS_DDR3_4Gb_25n EAN63391401 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A1...

Страница 38: ... V6 HOTPLUGA_HDMI20_5V GPIO34 U4 B_RX0N L1 B_RX0P M2 B_RX1N M3 B_RX1P N2 B_RX2N P2 B_RX2P P1 B_RXCN K2 B_RXCP K3 DDCDB_CK GPIO40 L4 DDCDB_DA GPIO41 L5 HOTPLUGB GPIO31 M4 HOTPLUGB_HDMI20_5V GPIO35 M5 C_RX0N D2 C_RX0P D3 C_RX1N E2 C_RX1P E3 C_RX2N F2 C_RX2P F1 C_RXCN C3 C_RXCP D1 DDCDC_CK GPIO42 H6 DDCDC_DA GPIO43 H5 HOTPLUGC GPIO32 K6 HOTPLUGC_HDMI20_5V GPIO36 J6 D_RX0N G2 D_RX0P G3 D_RX1N H2 D_RX1...

Страница 39: ...ND_165 T17 GND_166 T18 GND_167 T19 GND_168 T20 GND_169 T21 GND_170 T22 GND_171 T23 GND_172 T24 GND_173 T25 GND_174 T26 GND_175 U2 GND_176 U3 GND_177 U8 GND_178 U9 GND_179 U10 GND_180 U14 GND_181 U15 GND_182 U16 GND_183 U17 GND_184 U18 GND_185 U20 GND_186 U26 GND_187 V1 GND_188 V8 GND_189 V9 GND_190 V10 GND_191 V11 GND_192 V12 GND_193 V13 GND_194 V14 GND_195 V15 GND_196 V16 GND_197 V20 GND_198 V21 ...

Страница 40: ...SLOT R914 47 CI_SLOT FE_DEMOD1_TS_VAL TPI_DATA 1 CI_ADDR 12 CI_ADDR 7 CI_IORD TPI_DATA 6 PCM_RESET TPI_CLK CI_ADDR 13 EB_ADDR 11 EB_ADDR 3 CI_ADDR 3 EB_WE_N CAM_CD1_N C905 0 1uF 50V EB_ADDR 14 AR905 33 CI_SLOT R908 10K CI_SLOT 5V_NORMAL R903 33 CI_SLOT R905 33 CI_SLOT TPI_DATA 0 CI_MCLKI IC900 2 TOSHIBA ELECTRONICS KOREA CORPORATION OR_GATE_CI_TOSHIBA 3 GND 2 IN_A 4 OUT_Y 1 IN_B 5 VCC EB_ADDR 13 E...

Страница 41: ..._DIODE ZD2301 1 TU_JP_DCDC_DIODE KEC 0DTKE00018A ZD2300 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2304 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2300 1 0DR050008AA DCDC_DIODE_0DR050008AA SEMTECH POWER_ON OFF2_3 PWM_DIM2 POWER_ON OFF2_1 POWER_ON OFF1 L D_CLK L D_DI POWER_ON OFF2_3 OLED_AC_DET PWM_DIM RL_ON USB_CTL3 L D_VSYNC USB_CTL2 PANEL_CTL INV_CTL DPC_CTRL OLED_AC_DET IC2303 1 TPS54327DDAR TI_TPS...

Страница 42: ... EP GND R2522 11K 1 1 1V_VDDC_CPU C2517 0 1uF 16V Q2503 1 2N7002K DIODEDS_CPU_CORE_VID_FET SUB S D G 12V R2517 10K Q2503 2N7002KA KEC_CPU_CORE_VID_FET MAIN G D S C2513 0 1uF 16V OPT C2518 22uF 10V C2516 2200pF 50V R2523 10K 1 CPU_VID1 C2510 10uF 16V UF77 C2519 22uF 10V R2520 1 6K 1 ZD2500 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A ZD2501 DCDC_DIODE_0DTKE00018A KEC 0DTKE00018A R2519 75K 1 16W 1 CPU_VID...

Страница 43: ...3 5V_ST C3001 0 47uF CEC_REMOTE R3021 1 1K OLED POWER_ON OFF2_4 3 5V_ST R3034 120K IR X3000 32 768KHz DAISHINKU_MICOM_CRYSTAL SUB EAW58239602 RL_ON C3004 0 1uF 16V WOL_WAKE_UP LOGO_LIGHT SW3000 JTP 1127WEM MICOM_RESET_SW 1 2 4 3 R3029 33 MICOM_RESET_22OHM MHL_DET_LM15 R3000 100 SIDE_HP_MUTE MICOM_RESET WOL WIFI_POWER_ON 3D L_DIM_EN KEY1 MODEL1_OPT_0 RUE003N02 Q3001 ROHM_CEC_FET MAIN EBK61731401 S ...

Страница 44: ...A DDC_SDA_HDMI1_MN864788 CEC_REMOTE DDC_SDA_HDMI3 DDC_SDA_HDMI3 DDC_SDA_HDMI3 HDMI_SW_SDA DDC_SCL_HDMI3 DDC_SCL_HDMI3 CEC_REMOTE TX1SDA TX1SDA TX0SDA CEC_REMOTE JK3300 DAADR019A FOOSUNG_HDMI_JACK 14 RESERVED 13 CEC 5 TMDS_DATA1_SHIELD 20 BODY_SHIELD 12 TMDS_CLK 11 TMDS_CLK_SHIELD 2 TMDS_DATA2_SHIELD 19 HOT_PLUG_DETECT 18 VDD 5V 10 TMDS_CLK 4 TMDS_DATA1 1 TMDS_DATA2 17 DDC CEC_GND 9 TMDS_DATA0 8 TM...

Страница 45: ...3804 27pF 50V OPT R3808 75 1 4W 1 C3821 47pF 50V R3824 10K C3820 100pF 50V OPT C3817 560pF 50V OPT DOUT1 JK3801 PEJ038 4G6 EAG61030012 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 JK3803 PEJ038 4Y6 EAG61030011 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 R3816 10K JP3813 JP3814 JP3815 C3822 0 01uF 25V C3823 0 01uF 25V JK3802 2F11TC1 EM52 4F foxconn C GND B VCC A VIN 4 SHIELD JK3802 1 JSTIB15 Solteam C GND B VCC A V...

Страница 46: ...P4101 12507WR 08L 1 2 3 4 5 6 7 8 9 R4111 10K 1 R4104 10 C4107 22uF 10V 3 5V_ST R4112 100 R4110 10K 1 Q4100 MMBT3904 NXP LOGO_LIGHT E B C R4105 10K 5 IC4100 AP2191WG 7 3 FLG 2 GND 4 EN 1 OUT 5 IN C4110 0 1uF OPT EYE_SDA R4114 10K OPT KEY2 3 5V_ST L4100 BLM18PG121SN1D C4112 0 1uF C4101 0 1uF R4107 10K LOGO_LIGHT C4104 5pF 50V WIFI_EN C4106 1000pF 50V OPT M_RFModule_RESET EYE_SCL C4100 0 1uF C4108 1...

Страница 47: ...4303 5V USB_ESD SD05 0DR050008AA USB_DM2 C4300 0 1uF 16V JK4302 3AU04S 305 ZC LG 1 2 3 4 5 C4323 22uF 10V D4300 RCLAMP0502BA SEMTECH_USB_DMDP_ESD MAIN EAH61515101 R4304 10K SSUSB_TXN IC4300 BD2242G 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM USB_DM3 JK4300 3AU04S 305 ZC LG 1 2 3 4 5 USB_DP3 5V_USB_1 USB_OCD1 R4306 14K 1 R4300 2 2 R4305 4 7K C4310 10uF 10V C4312 22uF 10V USB_DP1 3 3V_NORMAL USB_DP2 USB_DM1...

Страница 48: ...SC_DET R4622 10K EU DTV MNT_V_OUT R4606 75 EU C4604 0 1uF EU C4600 1000pF 50V EU JP4613 R4614 0 EU SC_ID R4607 75 EU DTV MNT_L_OUT VA4606 5 6V EU VA4602 5 6V EU VA4609 5 6V EU R4623 470K EU L4602 EU 1uH C4603 4700pF EU R4618 12K EU C4612 68pF EU DTV MNT_R_OUT R4604 75 EU C4605 150pF 50V EU VA4610 5 6V EU C4601 1000pF 50V EU R4621 12K EU C4613 68pF OPT 3 3V_NORMAL R4601 10K EU R4608 22 EU SC_R_IN J...

Страница 49: ...R5000 0 EPHY_RDP C5000 0 1uF 16V JK5000 BS RSD0303 R1 P1 CT R2 P2 TD R3 P3 TD R4 P4 RD R5 P5 RD R6 P6 CT R7 P7 R8 P8 16 SHIELD R9 9 R11 P11 R10 P10 GND P1 YL_C P2 YL_A P3 GN_C P4 GN_A VA5003 5 5V LAN_ESD MAIN VA5002 5 5V LAN_ESD MAIN VA5001 5 5V LAN_ESD MAIN VA5000 5 5V LAN_ESD MAIN VA5003 1 ICVS0518150FR_ LAN_ESD SUB VA5000 1 ICVS0518150FR_ LAN_ESD SUB VA5001 1 ICVS0518150FR_ LAN_ESD SUB VA5002 1...

Страница 50: ...0MMGK TAIYO_AMP_COIL C5801 1uF 10V SPK_L L5805 10 0uH NRS6045T100MMGK TAIYO_AMP_COIL IC5800 NTP7515 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 NC_4 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 MONITOR_2 16 BST2B 17 PGND2B 18 OUT2B 19 PVDD2B 20 PVDD2A 21 OUT2A 22 PGND2A 23 BST2A 24 VDR2 25 AGND 26 NC_5 27 VDR1 28 BST1B 29 PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1...

Страница 51: ...0 1 16W 5 EU R6014 1K EU Q6002 1 PDTA114ET EU_SCART_MUTE_NXP E B C DTV MNT_L_OUT Q6001 MMBT3904 NXP EU E B C C6003 33pF EU SCART_Rout R6010 470K OPT C6002 6800pF OPT R6020 0 1 16W 5 EU R6008 33K EU R6005 220K EU R6003 10K EU DTV MNT_R_OUT R6000 2 2K EU R6016 5 6K EU SCART_AMP_L_FB SCART_Lout R6015 100K 1 16W 5 OPT R6019 0 1 16W 5 EU C6009 330pF EU 12V SCART_AMP_R_FB C6004 0 1uF 50V EU C6012 330pF ...

Страница 52: ... MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 12 OUTL 13 INL 14 INL HP_ROUT_AMP HP_ROUT_MAIN C6104 18pF HP_OUT R6103 43K 1 HP_OUT R6108 0 HP_BYPASS C6103 1uF 10V HP_OUT C6109 18pF HP_OUT 3 3V_NORMAL C6106 10pF 50V HP_OUT C6105 1uF 10V HP_OUT 3 3V_NORMAL HP_LOUT_AMP R6106 43K 1 HP_OUT R6105 4 7K HP_OUT R6100 10K HP_OUT R6101 10K HP_OUT R6102 43K 1 HP_OUT SIDE_HP_MUTE HP_LOUT_MAIN C6101 1uF 10V HP_OUT_1uF R...

Страница 53: ...8 PORADJ 19 CMDVCC 20 RSTIN 21 VDD 22 GND 23 OFF 24 XTAL1 25 XTAL2 26 I OUC 27 AUX1UC 28 AUX2UC C6306 0 1uF 16V JAPAN R6309 33 JAPAN R6312 10K JAPAN R6310 33 JAPAN R6303 OPT EB_BE_N0 R6317 1 2K JAPAN P6300 10057542 1311FLF B CAS Slot JAPAN C1 VCC C2 RST C3 CLK C4 RESERVED_1 C5 GND C6 VPP C7 I O C8 RESERVED S1 SW1 S2 SW2 R6304 2 7K JAPAN 5V_NORMAL 3 3V_NORMAL R6315 1 2K JAPAN R6311 33 JAPAN R6319 1...

Страница 54: ...00 AP2132MP 2 5TRG1 TU_M W_BCD_LDO MAIN EAN61387601 BCD 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP FE_DEMOD1_TS_SYNC FE_DEMOD1_TS_CLK_1 I2C_SDA5 I2C_SDA5_TU FE_DEMOD3_TS_VAL LNB_TX FE_DEMOD1_TS_ERROR R6500 10K TU_M W I2C_SDA2_TU 2 5V_DEMOD C6520 33pF TU_H M_EU BR TW CO KR R6512 0 TU_K M W_NON_JP FE_DEMOD2_TS_DATA FE_DEMOD2_TS_SYNC I2C_SCL5 L6500 PZ1608U121 2R0TF R6521 1 18K TU_M W_1 1V F...

Страница 55: ...6 VALID 17 DATA0 18 DATA1 19 DATA2 20 DATA3 21 DATA4 22 DATA5 23 DATA6 24 DATA7 25 RESET_DEMOD 26 B3 3 3V 27 SCL_DEMOD 28 B4 1 2V 29 F22_OUTPUT 30 SDA_DEMOD 31 LNB 47 SHIELD 32 GND B1 B1 A1 A1 FE_DEMOD1_TS_DATA 7 I2C_SCL2_TU I2C_SDA2_TU R6707 0 TU_M_EU R6700 0 TU_GND_A2_0ohm TU_GND_B FE_DEMOD2_TS_VAL R6708 0 TU_GND_B5_0ohm 2 5V_DEMOD FE_DEMOD3_TS_DATA FE_DEMOD3_TS_VAL IF_P_TU R6706 0 TU_M_EU TU_GN...

Страница 56: ... 30V MBR230LSFT1G LNB_ONSEMI D6902 30V LNB_ONSEMI C6910 0 1uF 50V LNB R6904 0 A_GND C6906 10uF 25V LNB LNB_TX C6904 0 1uF 50V LNB C6900 0 1uF LNB C6902 0 22uF 25V LNB C6909 10uF 25V LNB IC6900 1 DT1803 LNB_DMBT 1 NC_1 3 NC_2 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 PGND 18 NC_3 19 NC_4 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP D6904 40V LNB_SMAB34 D6903 40V LNB_SMA...

Страница 57: ... R7105 0 TXDAP7_L 1 8V R7110 100 LOCKAn_HTPDAn_3 3VPullup Data_Format_1 R7120 10K LOCKAn_HTPDAn_3 3VPullup TCON_I2C_EN TXDAP1_L 3D L_DIM_EN R7109 10K LOCKAn_HTPDAn_3 3VPullup 3 3V_NORMAL EL_VDD_DETECT_22V R7117 10K LOCKAn_HTPDAn_3 3VPullup TXDAP2_L R7124 0 OPT R7113 0 INV_CTL TXDAN3_L LOCKAn_IN R7116 33 OPT TCON_I2C_EN T_CON_SYS_POWER_OFF HTPDAn R7107 4 7K OPT COMPENSATION_DONE Q7102 2N7002KA KEC_...

Страница 58: ... 19 22 UF71 7500 TXDBP3_L TXDBN5_L TXDBP1_L TXDBN1_L TXDBP4_L TXDBN2_L TXDBP7_L TXDBP0_L TXDBN0_L TXDBP6_L TXDBN6_L TXDBP2_L TXDBN4_L TXDBP5_L P7200 FI RE41S HF J R1500 41pin_Wafer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 TXDBN3_L TXDBN7_L OLED_FW_EMERGENCY ON_RF_DONE R7200 0 OPT R7201 0 OPT 41P Vx1 output wafer Copyright ...

Страница 59: ..._99 N14 NC_100 P1 NC_101 P2 NC_102 P8 NC_103 P9 NC_104 P11 NC_105 P12 NC_106 P13 NC_107 P14 C8106 2 2uF 10V C8105 0 1uF 16V DVDD18_EMMC C8103 2 2uF 10V R8106 0 EMMC_CLK_BALL AR8103 10K 1 16W C8102 0 1uF 16V C8109 2 2uF 10V OPT EMMC_CMD_BALL DAT6 IC8100 1 THGBMBG6D1KBAIL EMMC5 0_8G_TOSHIBA DAT0 A3 DAT1 A4 DAT2 A5 DAT3 B2 DAT4 B3 DAT5 B4 DAT6 B5 DAT7 B6 CLK M6 CMD M5 VSS_1 A6 RFU_2 A7 NC_21 C5 RFU_4...

Страница 60: ... 7500 DOUT1 C6813 0 1uF RS232C C6811 0 1uF RS232C C6808 0 1uF RS232C C6810 0 1uF RS232C 3 5V_ST SOC_TX ZD6802 ADUC 20S 02 010L 20V OPT C6809 0 1uF RS232C R6821 100 RS232C R6820 100 RS232C RIN1 ZD6803 20V ADUC 20S 02 010L OPT SOC_RX IC6801 MAX3232CDR EAN41348201 RS232C 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 RS 232C Control INTERFAC...

Страница 61: ...10216 M13519 EMI_SMD_7 MDS62110216 M13520 EMI_SMD_8 MDS62110216 M13521 ESD_USB3 0_SMD MDS62110228 M13532 EMI_SMD_11 MDS62110217 M13523 EMI_SMD_12 MDS62110217 M13533 EMI_SMD_20 MDS62110228 M13524 EMI_SMD_13 MDS62110228 M13529 EMI_SMD_18 MDS62110216 M13510 EMI_SMD_1 MDS62110216 M13511 EMI_SMD_2 MDS62110216 M13512 EMI_SMD_3 MDS62110228 M13525 EMI_SMD_14 MDS62110228 M13526 EMI_SMD_15 MDS62110228 M1353...

Страница 62: ...PAD_E3M VBY12 C7 PAD_E4P VBY13 C8 PAD_E4M VBY13 B9 PAD_F0P VBY14 C9 PAD_F0M VBY14 A10 PAD_F1P VBY15 C10 PAD_F1M VBY15 B11 PAD_MOD_GPIO8 VBY16 B12 PAD_MOD_GPIO9 VBY16 A12 PAD_F2P VBY17 A13 PAD_F2M VBY17 B13 PAD_FCKP VBY18 B14 PAD_FCKM VBY18 C14 PAD_F3P VBY19 A15 PAD_F3M VBY19 C15 PAD_F4P E9 PAD_F4M D9 PAD_G0P F8 PAD_G0M F9 PAD_E0P TEST F10 PAD_E0M TEST E11 PAD_E1P E10 PAD_E1M D10 PAD_E2P TEST E12 P...

Страница 63: ... A14 F27 PAD_IO 88 B A15 CD A15 J24 PAD_IO 85 B BA0 CD BA0 H24 PAD_IO 93 B BA1 CD BA1 H27 PAD_IO 81 B BA2 CD BA2 G24 PAD_IO 97 B RASZ CD RASZ K24 PAD_IO 94 B CASZ CD CASZ K23 PAD_IO 79 B WEZ CD WEZ H23 PAD_IO 95 B ODT CD ODT J23 PAD_IO 91 B CKE CD CKE J27 PAD_IO 76 B RST CD RST D28 PAD_IO 101 B MCLK CD MCLK K28 PAD_IO 100 B MCLKZ CD MCLKZ J26 PAD_IO 99 B CSB1 C CSB1 D25 PAD_IO 98 B CSB2 D CSB2 C28...

Страница 64: ...3015 56 NT5CB64M16FP EK IC13002 1 URSA11_DDR_NANYA A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 NC_6 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B...

Страница 65: ...O R13235 10K URSA_BIT0_0 C13213 0 01uF 25V R13205 33 OPT R13240 10K URSA_BIT2_0 URSA_OPT_5 URSA_BIT2 L D_CLK R13220 10K URSA_OPT_4_1 SCL2_ 3 3V_DB URSA9_CONNECT R13203 33 OPT R13263 10K URSA_PQ_DEBUG C13210 1uF 10V OPT SW13201 JS2235S URSA_DEBUG 3 2 1 4 5 6 IC12800 LGE5352 URSA11 PAD_RESET AD26 PAD_XOUT AH4 PAD_XIN AH3 PAD_I2C_S_SDA AE9 PAD_I2C_S_SCL AD9 PAD_I2C_M_SDA AD10 PAD_I2C_M_SCL VSYNC_LIKE...

Страница 66: ...62072501 G D S R13416 0 URSA11_VID C13406 2200pF 50V 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 R13420 10K OPT C13447 0 1uF 16V C13617 0 1uF 16V UF77 R13417 0 URSA11_VID R13414 100K 1 16W 1 URSA11_...

Страница 67: ... 10uF 10V OPT L14804 BLM18PG121SN1D L14808 BLM18PG121SN1D URSA11 C14831 1uF 10V L14800 BLM18PG121SN1D C14822 10uF 10V C14808 0 1uF 16V C14803 10uF 10V AVDD_MOD L14805 BLM18PG121SN1D C14881 0 1uF 16V 1 5V_U_DDR AVDD_DVI_ALLRX C14837 0 1uF 16V C14842 0 1uF 16V C14844 0 1uF 16V C14839 0 1uF 16V C14890 0 1uF 16V C14820 10uF 10V C14851 0 1uF 16V C14843 0 1uF 16V C14809 0 1uF 16V 1 5V_U_DDR IC12800 LGE5...

Страница 68: ......

Страница 69: ...r auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 MR13 operating checking 11 11 12 Wifi operating checking 12 13 Camera operating checking 13 14 External device recognition error 14 15 E Noise Circuit noise mechanical noise 15 16 F Exterior error Exterior defect 16 First of all Check whether t...

Страница 70: ...d Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 16 LCD TV Error symptom A Video error No video Normal audio A9 A1 A9 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker...

Страница 71: ...eplace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A9 Established date Revised date 2 16 LCD TV Error symptom 2 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ... Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Setting Quick Setting Programmes Programme Tuning Manual Tuning Check the Signal Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N A4 Standard Repair Process Established date Revis...

Страница 73: ...ternal device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main T con B D Replace Main T con B D N N A Video error Color error A6 N Y End Replace module Request repair for external device cable Color error A7 Standard Repair Process Established date Revised date 4 16 LCD TV Error symptom 4 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserv...

Страница 74: ... connecting Jig pattern Generator Set top Box etc N Y Replace Main T con B D Screen normal Check screen condition by input External Input Component HDMI DVI Request repair for external device Component error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main T con B D ...

Страница 75: ...output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage Replace Power B D Y A8 A9 A9 A9 Standard Repair Process Established date Revised date 6 16 LCD TV Error symptom 6 Stand By Red or Turn On Operating Turn Off Close 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service...

Страница 76: ...y 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 Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROFF...

Страница 77: ...pair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A11 A12 A9 Disconnection Established date Revised date 8 16 LCD TV Error symptom Standard Repair Process 8 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 78: ... and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Established...

Страница 79: ...ss the wheel Is show ok message Close N N N Y Replace MR15 Turn off on the set and press the wheel Press the back key about 5sec Close If you conduct the loop at 3times change the M4 Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 14 RF Remocon Test 3 Firmware download Y RF Receiver ver is 00 00 N Close A14 A4 A4 Copyright 2...

Страница 80: ... of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A13 Normal Voltage Close N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A9 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A13 Replace Main B D Y A13 Standard Repair Process Established date Revised date 10 16 LCD TV Error symptom 10 Y 20...

Страница 81: ... N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 LCD TV Error symptom 12 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A15 A4 A4 A15 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 82: ... device cable HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 14 16 LCD TV Error symptom Standard Repair Process 14 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...tion manual For models without any fix information provide the description 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 in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 15 16 LCD TV Error symptom Stand...

Страница 84: ...e controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 LCD TV Error symptom Standard Repair Process 16 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 85: ...ing method A3 4 LCD TV Version checking method A4 5 Tuner Checking Part A5 6 A Video error _Vertical Horizontal bar residual image light spot LCD TV connection diagram A6 7 A Video error_ Color error Check Link Cable EPI reconnection condition A7 8 Appendix Defected Type caused by T Con Inverter Module Exchange Module 1 A 1 2 Exchange Module 2 A 2 2 Continue to the next page Copyright 2015 LG Elec...

Страница 86: ... Audio error_ No audio Normal video Checking method in menu when there is no audio A11 13 Voltage and speaker checking method when there is no audio A12 14 D Function error Remote controller operation checking method A13 15 Motion Remote operation checking method A14 16 Wifi operation checking method A15 17 E Etc Tool option changing method A16 Continued from previous page Copyright 2015 LG Electr...

Страница 87: ...ck LCD back light with naked eye A Video error_No video Normal audio LCD TV A1 2014 12 31 After Remove the Rear Cover turning on the power and check with the naked eye Whether you can see video Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 88: ... TV A2 2014 12 31 Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 10 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 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 89: ...o lag stop A3 Established date Revised date Error symptom Content LCD TV A3 2014 12 31 Quick Settings Programmes Programme Tunning Manual Tuning When the signal is strong use the attenuator 10dB 15dB 20dB etc Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 90: ...top 1 Checking method for remote controller for adjustment Version A4 Established date Revised date Error symptom Content LCD TV A4 2014 12 31 Press the IN START with the remote controller for adjustment Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 91: ...ymptom Content LCD TV A5 2014 12 31 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 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 92: ...tal bar residual image light spot A6 Established date Revised date Error symptom Content LCD TV A6 2014 12 31 As the part connecting to the external input check the screen condition by signal Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 93: ... Video error_Color error A7 Established date Revised date Error symptom Content LCD TV A7 2014 12 31 Check the contact condition of the Link Cable especially dust or mis insertion Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 94: ...l display Line Dim Crosstalk Crosstalk Press damage Brightness difference Burnt Un repairable Cases In this case please exchange the module Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 95: ...please exchange the module Angle view Color difference Brightness dot noise Half dead Green Noise on power on off time Line Defect Mura Brightness difference Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 96: ...go B Power error _No power A17 Established date Revised date Error symptom Content LCD TV A8 2014 12 31 ST BY condition On or Off Power ON condition Turn Off Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 97: ...er LCD TV A9 2014 12 31 24Pin Power Board Main Board 1 PWR ON 2 INV CTL 3 DPC 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 12V_ON 19 24V 20 24V 21 24V 22 24V 23 GND 24 GND Check the DC 24V 12V 3 5V Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 98: ...iewing A19 Established date Revised date Error symptom Content LCD TV A10 2014 12 31 Entry method 1 Press the IN START button of the remote controller for adjustment 2 Check the entry into adjustment item 3 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 99: ...stablished date Revised date Error symptom Content LCD TV A11 2015 12 31 Checking method 1 Press the Setting button on the remote controller 2 Select the Sound function of the Menu 3 Select the Sound Out 4 Select TV Speaker Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 100: ...7 GND 18 12V_ON 19 24V 20 24V 21 24V 22 24V 23 GND 24 GND Checking order when there is no audio Check the contact condition of or 24V connector of Main Board Measure the 24V input voltage supplied from Power Board If there is no input voltage remove and check the connector Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal ...

Страница 101: ...D 6 LOGO_LIGHT 7 IR 8 GND 9 EYE_SCL 10 EYE_SDA Checking order 1 2 Check IR cable condition between IR Main board 3 Check the st by 3 5V on the terminal 4 4 When checking the Pre Amp when the power is in ON condition it is normal when the Analog Tester needle moves slowly and defective when it does not move at all Copyright 2015 LG Electronics Inc All rights reserved Only for training and service p...

Страница 102: ..._SCL 10 EYE_SDA P4101 1 GND 2 M_RFModule_RESET 3 NOT USE 4 WOL WIFI_POWER_ON 5 GND 6 WIFI_DP 7 WIFI_DM 8 3 5V_WIFI Checking order 1 Check IR cable condition between IR Main board 2 Check WIFI Combo cable condition between WIFI Combo Assy Main board 3 Check the st by 3 5V P4100 on the terminal 4 4 Check the 3 5V_WIFI P4101 on the terminal 8 Copyright 2015 LG Electronics Inc All rights reserved Only...

Страница 103: ...Function error 2014 12 31 P4101 1 GND 2 M_RFModule_RESET 3 NOT USE 4 WOL WIFI_POWER_ON 5 GND 6 WIFI_DP 7 WIFI_DM 8 3 5V_WIFI Checking order 1 2 Check Wifi cable condition between Wifi assy Main board 3 Check the 3 3V on the terminal 8 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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