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TROUBLE SHOOTING GUIDE

LGE Internal Use Only

Содержание 60UH7700

Страница 1: ...003 1603 REV01 CHASSIS UJ64J MODEL 60 65UH7700 60 65UH7700 SA MODEL 60 65UH7700 60 65UH7700 PA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL Internal Use Only ...

Страница 2: ...ed Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 14 BLOCK DIAGRAM 25 EXPLODED VIEW 33 ASSEMBLY DISASSEMBLY 34 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

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: ...t method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC specification Wireless Wireless HD Specification Option 4 General Specification 4 1 Model Specification No Item Specification Remark 1 Market Colombia Panama Taiwan 2 Broadcasting system Digital DVB T Analog NTSC PAL M PAL N Analog NTSC M Colombia DVB T T2 Colomb...

Страница 7: ...DTV 1080I 8 1920 1080 33 72 59 94 74 176 HDTV 1080I 9 1920 1080 67 500 60 148 50 HDTV 1080P 10 1920 1080 67 432 59 94 148 352 HDTV 1080P 11 1920 1080 27 000 24 000 74 25 HDTV 1080P 12 1920 1080 26 97 23 976 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 No Resolution H freq kHz V freq kHz Pixel clock Proposed Remarks 1 720 480i 15 73 59 94 1...

Страница 8: ... 12 HDTV 1080P 18 1920 1080 33 75 30 00 79 20 HDTV 1080P 19 1920 1080 56 25 50 00 148 50 HDTV 1080P 20 1920 1080 67 43 59 94 148 35 HDTV 1080P 21 1920 1080 67 50 60 00 148 50 HDTV 1080P 22 3840 2160 53 95 23 98 297 00 UDTV 2160P UHD only 23 3840 2160 54 00 24 00 297 00 UDTV 2160P UHD only 24 3840 2160 56 25 25 00 297 00 UDTV 2160P UHD only 25 3840 2160 61 43 29 97 297 00 UDTV 2160P UHD only 26 384...

Страница 9: ... VESA SVGA 5 1024 768 48 36 60 00 65 00 VESA XGA 6 1152 864 54 34 60 05 80 00 VESA 7 1280 1024 63 98 60 02 109 00 VESA SXGA FHD only 8 1360 768 47 71 60 01 85 00 VESA WXGA 9 1920 1080 67 50 60 00 158 40 WUXGA CEA 861D FHD only 10 3840 2160 67 50 30 00 297 00 UDTV 2160P UHD only 11 3840 2160 56 25 25 00 297 00 UDTV 2160P UHD only 12 3840 2160 54 00 24 00 297 00 UDTV 2160P UHD only 13 4096 2160 53 9...

Страница 10: ...SDTV 576I Secondary SDTV 576I 4 720 576 31 25 50 00 27 00 17 18 Top and Bottom Side by side half Side by side Full Secondary SDTV 576P Secondary SDTV 576P SDTV 576P 62 50 50 00 54 00 17 18 Frame packing Line alternative Secondary SDTV 576P SDTV 576P 5 1280 720 37 50 50 00 74 25 19 Top and Bottom Side by side half Primary HDTV 720P Primary HDTV 720P 37 50 50 00 148 50 19 Side by side Full HDTV 720P...

Страница 11: ...tom HDTV 1080P 13 1920 1080 33 75 30 00 74 25 2D to 3D Side by Side half Top Bottom HDTV 1080P 14 1920 1080 33 71 29 97 74 18 2D to 3D Side by Side half Top Bottom HDTV 1080P 5 2 3 Component Input 3D 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz VIC 3D input proposed mode Proposed 7 1920 1080 26 97 27 00 23 97 24 00 74 17 74 25 32 Top and Bottom Side by side half Pr...

Страница 12: ...7 03 SDTV 480P 2D to 3D Side by Side Half Top Bot tom Checker Board Frame Sequential Row Interleaving Column Interleaving 2 720 576 31 25 50 00 27 00 SDTV 576P 3 1280 720 45 00 60 00 74 25 HDTV 720P 37 50 50 00 74 25 HDTV 720P 4 1920 1080 33 75 60 00 74 25 HDTV 1080I 2D to 3D Side by Side Half Top Bottom 28 12 50 00 74 25 HDTV 1080I 5 1920 1080 27 00 24 00 74 25 HDTV 1080P 2D to 3D Side by Side Ha...

Страница 13: ...om Checker Board Row Interleaving Column Interleav ing 5 Over 2160P 24 25 30 2D to 3D Side by Side Half Top Bottom 5 2 8 USB DLNA 3D 3D supported mode automatically 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 Bottom Checker Board MPO Photo JPS Photo 2 2160p 67 50 30 00 297 00 5 2 7 Miracast Widi 3D supported mode manuall...

Страница 14: ... be also performed in Final Assembly if needed Both Board level and Final assembly adjustment items can be check using In Start Menu 1 ADJUST CHECK 3 2 Final assembly adjustment White Balance adjustment RS 232C functionality check PING Test Factory Option setting per destination Ship out mode setting In Stop 3 3 Etc Ship out mode Service Option Default USB Download S W Update Option Service only I...

Страница 15: ...Play START 5 Check of result Ready Test OK or NG 4 2 4 Communication Port connection 1 Connect PCBA Jig RS 232C Port PC RS 232C Port 4 2 5 Download 1 Models MAC Widevine ESN 4 3 LAN Inspection 4 3 1 Equipment Condition Each other connection to LAN Port of IP Hub and Jig 4 3 2 LAN inspection solution LAN Port connection with PCB Network setting at MENU Mode of TV Setting automatic IP Setting state ...

Страница 16: ...erated by Manufacturing Technology Group C Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number 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 downlo...

Страница 17: ... 00 40 84 63 00 00 1E 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 19 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 08 E8 00 30 F2 70 5A 80 B0 58 40 8A 00 40 84 63 00 00 1E 02 3A 80 18 71 38 2D 40 50 58 2C 45 00 40 84 63 00 00 1E 00 00 00 ...

Страница 18: ...0 1E 00 00 00 00 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 52 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 19 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 08 E8 00 30 F2 70 5A 80 B0 58 40 8A 00 40 84 63 00 00 1E 02 3A 80 18 71 38 2D 40 50 58 2C 45 00 4...

Страница 19: ...10 01 19 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 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 02 03 30 ...

Страница 20: ...data one of R G B is fixed at 192 and the other two is lowered to find the desired value 3 Adj condition normal temperature Surrounding Temperature 25 5 C Warm up time About 5 Min Surrounding Humidity 20 80 5 5 2 Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Video Signal Generator MSPG 925F 720p 204 Gray Model 217 Pa...

Страница 21: ...ss the cursor to the right KEY When KEY is pressed 216 Gray internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the rest will be lowered to meet the desired value 5 Adj is performed in COOL MEDIUM WARM 3 modes of color temperature G fix adjustment Adjust modes Cool Fix the G gain to 172 default data and change the others G B Gain Adjust two modes Medium Warm...

Страница 22: ...e Edge ALEF LED module change color coordinate because of aging time apply under the color coordinate table for compensated aging time 5 6 Local Dimming Function Check Step 1 Turn on TV Step 2 At the Local Dimming mode module Edge Backlight moving right to left Back light of IOP module moving Step 3 confirm the Local Dimming mode Step 4 Press exit Key ...

Страница 23: ...es Check the picture like below 5 9 HDMI ARC Function Inspection 5 9 1 Test equipment Optic Receiver Speaker MSHG 600 SW 1220 HDMI Cable for 1 4 version 5 9 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 10 EYE Q Green Function...

Страница 24: ... Item Min Typ Max Unit Remark 1 Audio practical max Output L R Distortion 10 max Output 10 0 8 10 12 0 10 8 W Vrms EQ Off AVL Off Clear Voice Off 2 Speaker 8Ω Impedance 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 3 RGB PC 1KHz sine wave signal 0 7Vrms 8 USB S W Download optional Servic...

Страница 25: ...C 4GB Sub Micom RENESAS R5F100GEAFB DDR3 2133 X 16 512MB X 2EA P_TS X_TAL 27MHz T2 C S2 W O AD A B X_TAL 32 768KHz I2S Out I2C 4 USB3_TX RX0 I2C 4 HW Port COMP OCP R E A R YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 1 HW Port SUB ASSY IR KEY LOGO LIGHT Ready WIFI BT Combo USB_WIFI CVBS SMARTCARD_DATA CLK GPIO86_SPI_DI0 GPIO88_SPI_DO0 B CAS JAPAN DDR3 2133 X 16 512MB X 2EA HDMI3 External EDID USB3 2 0 RS...

Страница 26: ... for training and service purposes 2 K2L I2C Block Diagram SCL1 SDA1 33Ω 1 8KΩ K2L TUNER 3 3V_NORMAL 1 8KΩ 33Ω NVRAM 3 3V_NORMAL IC3000 RENESAS MICOM 3 3_TU 33Ω 1 8KΩ IC5800 NTP7515 SCL2 SDA2 T CON LNB SCL4 SDA4 IC5900 NTP7515 33Ω 33pF SCL6 SDA6 47pF 33Ω 33Ω 33pF 1 8KΩ 3 3V_NORMAL ...

Страница 27: ...28DDAR NTP7514 EXT EDID IC3301 DDR3 3 3V_NORMAL 3 5V_ST 1 8V IC2300 4A RT7231GQW 1 05V_CPU CORE IC2305 10A TPS51362RVER 1 0V_CORE A13V A24V NTP7514 USB3 0 OCP USB2 0 OCP USB2 0 OCP K2L H P AMP 2 5_NORMAL PANEL 1 2V Demod_Core TUNER IC2303 3A BD9A300MUV 1 5V_DDR MICOM NVRAM IR_KEY ETHERNET WIFI WOL_EN WIFI_EN DVDD18_EMMC EMMC EMMC CPU_1V0 DIV0 Main Woofer IC6500 2A TJ2132GDP TUNER JP Eth Stdby 1 0V...

Страница 28: ...PI_VAL_CI TPI_SOP_CI PCM_RESET_CI CAM_WAIT_N_CI REG CI_OE CI_WE VCC GPIO59_PC_INPACK_N 5V_NORMAL TDJN H203F 3 3V_TUNER 11 IF_P 8 IF_N 7 FE_DEMOD1_TS_ERROR 14 FE_DEMOD1_1_TS_CLK 15 FE_DEMOD1_TS_SYNC 16 FE_DEMOD1_TS_VAL 17 FE_DEMOD1_TS_DATA 0 18 FE_DEMOD1_TS_DATA 1 19 FE_DEMOD1_TS_DATA 2 20 FE_DEMOD1_TS_DATA 3 21 FE_DEMOD1_TS_DATA 4 22 FE_DEMOD1_TS_DATA 5 23 FE_DEMOD1_TS_DATA 6 24 FE_DEMOD1_TS_DATA ...

Страница 29: ...ide JK3902 COMP1_Y CVBS COMP2_Pb COMP2_Pr COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN COMP1_Y CVBSP COMP1_PbP VIN13P COMP1_PrP COMP1 AV1 DVI_R_IN AI1R COMP1 AV1 DVI_L_IN TU_CVBS_TU TU_SIF_TU IF_P N_TU VIN10P AAD_ADC_SIF DMD_ADC_INP DMD_ADC_INN TU_CVBS TU_SIF IF_P N FE_DEMOD1 2_TS_CLK SYNC VAL FE_DEMOD1 2_TS_CLK SYNC VAL SC_CVBS_IN SC_CVBS_IN TP0CLK VLD SYNC JK3900 AI1L VIN3P VIN5P ...

Страница 30: ...AAD_ADC_SIF HP_LOUT HP_ROUT HEAD PHONE LPF 4P WAFER HPOL HPOR TUNER_SIF AUD_SCK GPIO89_WCLKRCK I2C_SDA0 I2C_SCL0 IC3000 MICOM AMP_MUTE GPIO83_SPI_WP AMP_RESET_N JK3901 JK3903 LPF Front_L Front_R SIDE_HP_MUTE GPIO90_SCLK K2L IC5900 Woofer AMP NTP7515 LPF 8P WAFER LPF Woofer_L Woofer_R I2S JK3900 COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN AI1L AI1R I2C_SDA4 I2C_SCL4 GPIO92_D0 AUD_LRCK AUD_LRCH IC6100 H P...

Страница 31: ... MICOM IC3000 K2L HDMI_ARC X Tal X3000 32 768kHz HDMI1 HDMI2 0 DDC_SCL_1 DDC_SDA_1 TMDS Link 8bits DDC_SCL_2 DDC_SDA_2 TMDS Link 8bits DDC_SCL_3 DDC_SDA_3 TMDS Link 8bits TMDS DATA 6bits DATA0 1 2 TMDS CLK 2bits TMDS Link 8bits HDMI_CEC_MICOM Q3001 IC3301 External EDID ST_IO19_H0_SCL ST_IO20_H0_SDA ST_IO22_H1_SCL ST_IO23_H1_SDA ST_IO25_H2_SCL ST_IO26_H2_SDA GPIO17 JK3301 JK3300 JK3302 ...

Страница 32: ..._USB_2 USB_OCD1 USB_CTL1 USB_CTL2 USB_OCD2 WIFI_DM WIFI_DP HSDM3 HSDP3 RENESAS MICOM IC3000 ST_IO13 ST_IO12 SOC_TX SOC_RX USB3_DP0 5V_USB_1 USB_CTL3_0 USB_OCD3_0 HSDM1 HSDP1 ST_IO16 ST_IO17 USB3_0_DM0 USB3_0_DP0 USB1 USB3_DM0 AI3L AI3L RS232C_Debug USB2 0 WIFI Combo M_RFModule_RESET GPIO93_MCLK USB3_TXM0 USB3_TXP0 USB3_RXP0 USB3_RXM0 HSIN HSIP HSON HSOP OCP IC4301 OCP IC4301 5V_NORMAL 5V_NORMAL JK...

Страница 33: ...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 200 400 800 540 521 530 120 121 820 830 LV1 LV2 910 900 A22 ...

Страница 34: ...service purposes Cover Disassemble Guide 1 Remove Screw 2 Disassemble the Bottom Bracket Pull the upward 3 Rotate 180 and disassemble HARNESS 4 Latch Open Method Top Side Latch Right Side Latch ASSEMBLY DISASSEMBLY 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 2 1 4 4 3 Prohibition Pull the upward on bottom side ...

Страница 35: ...d as shown on the below picture first lower side and then the upper side 4 2 Latch Open at top Latch 10 places Upper Display Pull the Cover on right side to Left direction Push Pull Push Lower Right Side Latch unlock Latch unlock Upper Right Side Pull Pull Latch Pull Latch Push At the corner of side AV Screw Screw Push Horizontal In the center of screw Vertical At the corner of side AV ...

Страница 36: ...ly for training and service purposes Cover assemble Guide 1 Push Latches Top Side Latch Right Side Latch 2 Assemble HARNESS 3 Insert Bottom bracket 4 Joint Screw 1 2 3 SCREW 5 7Kgf cm 4 SCREW 8 12Kgf cm A J1 1 FFC 8P IR A 2 FFC 10P IR J1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 2 1 4 4 3 ...

Страница 37: ...RCH C111 100pF TU_EXT_ATV XIN_MAIN L100 PZ1608U121 2R0TF C104 8pF XOUT_MAIN C103 8pF X101 27 0MHz 4 FLOAT_2 1 IN OUT_1 2 FLOAT_1 3 IN OUT_2 R133 1 3 3K TU_JP_3 3K R132 1 3 3K TU_JP_3 3K R136 10K OPT IC100 LGE6551_AA1 MDIN0 T2 MDIP0 T3 MDIN1 U2 MDIP1 U3 MDIN2 V3 MDIP2 U1 MDIN3 V2 MDIP3 V1 ST_IO21_H0_HPD J4 ST_IO19_H0_SCL H4 ST_IO20_H0_SDA H3 ST_IO24_H1_HPD K3 ST_IO22_H1_SCL K4 ST_IO23_H1_SDA J3 ST_...

Страница 38: ...4 NXP BJT_NXP_2 EBK61012601 E B C Q202 1 AO3435 EBK61913501 FET_AO3435_2 G D S Q204 1 AO3435 EBK61913501 FET_AO3435_2 G D S Q206 1 AO3435 EBK61913501 FET_AO3435_2 G D S L209 BLM18PG121SN1D ST_A1V0 C2371 0 1uF 16V C2372 10uF 10V C2374 0 1uF 16V C2375 10uF 10V C2373 0 47uF 6 3V IC100 LGE6551_AA1 CO1V0_1 R11 CO1V0_2 R12 CO1V0_3 T11 CO1V0_4 T12 CO1V0_5 U11 CO1V0_6 U12 CO1V0_7 V12 CO1V0_8 AB12 CO1V0_9 ...

Страница 39: ... M1_DDR_BA2 1 5V_DDR R432 1K 1 M1_DDR_DQ30 M0_DDR_DQS0 M1_DDR_DQ25 M0_DDR_DQ15 M0_DDR_A4 M1_DDR_DQ17 R453 120 1 M0_DDR_DQ12 M0_DDR_A12 M1_DDR_BA0 M1_DDR_DQ20 R422 0 OPT R431 1K 1 1 5V_DDR M0_DDR_DQ9 M1_DDR_A12 M0_DDR_DQ5 M1_DDR_CKE M0_DDR_BA2 M1_CS0_N M0_DDR_DQ23 M0_DDR_CKE M1_DDR_BA1 M1_DDR_A13 R423 0 OPT 1 5V_DDR M1_DDR_DQS0 M1_DDR_DQ2 M0_DDR_DQ24 M1_DDR_A8 M0_DDR_DM2 R452 120 1 M0_DDR_DQ0 M0_DD...

Страница 40: ...C TXDAN2_L C634 0 047uF C632 0 047uF HP_ROUT C654 2 2uF C655 2 2uF IC100 LGE6551_AA1 LVDS_AAN J1 LVDS_AAP J2 LVDS_ABN K1 LVDS_ABP K2 LVDS_ACN L1 LVDS_ACP L2 LVDS_ADN M1 LVDS_ADP M2 LVDS_AEN N1 LVDS_AEP N2 LVDS_AFN P1 LVDS_AFP P2 LVDS_BAN AK38 LVDS_BAP AK37 LVDS_BBN AK36 LVDS_BBP AL37 LVDS_BCN AL36 LVDS_BCP AM37 LVDS_BDN AM38 LVDS_BDP AM36 LVDS_BEN G1 LVDS_BEP G2 LVDS_BFN H1 LVDS_BFP H2 LVDS_CAN E1...

Страница 41: ...D_153 Y21 DGND_154 Y22 DGND_155 Y23 DGND_156 Y24 DGND_157 Y25 DGND_158 Y33 DGND_159 AA13 DGND_160 AA14 DGND_161 AA15 DGND_162 AA16 DGND_163 AA17 DGND_164 AA18 DGND_165 AA19 DGND_166 AA20 DGND_167 AA21 DGND_168 AA22 DGND_169 AA23 DGND_170 AA24 DGND_171 AA25 DGND_172 AA36 DGND_173 AB13 DGND_174 AB14 DGND_175 AB15 DGND_176 AB16 DGND_177 AB17 DGND_178 AB18 DGND_179 AB19 DGND_180 AB20 DGND_181 AB21 DGN...

Страница 42: ...16W CI_SLOT TPI_DATA 0 TPI_DATA_CI 3 TPI_DATA_CI 0 EB_DATA 2 CI_DATA 4 TPI_VAL_CI CAM_REG_N R912 100 CI_SLOT CI_OE CI_ADDR 3 C903 0 1uF CI_SLOT TPI_DATA 6 EB_OE_N TPI_DATA 1 AR901 33 1 16W CI_SLOT R909 10K CI_SLOT TPI_DATA_CI 2 TPI_DATA_CI 2 EB_DATA 3 AR903 33 1 16W CI_SLOT TPI_SOP_CI CI_ADDR 14 C904 0 1uF CI_SLOT TPI_DATA 4 CAM_IREQ_N CI_MDI 4 R922 100 CI_SLOT 5V_NORMAL TPI_DATA 2 R910 100 CI_SLO...

Страница 43: ... 1 16W 1 R2327 1K R2331 14K 1 PD_ 12V 13V Q2302 1 2N7002KA FET_KEC G D S 3 3V_NORMAL C2316 4700pF 50V C2351 10uF 25V C2301 10uF 10V R2332 5 1K 1 PD_ 12V R2345 4 87K 1 16W 1 3 3V_NORMAL C2343 470pF 50V OPT C2354 10uF 10V R2338 0 1 16W 5 R2321 4 7 5 C2304 10uF 10V R2333 0 5 PD_ 3 5V R2307 10K R2340 240K 1 16W 1 R2313 0 5 C2308 0 1uF 16V C2335 0 1uF 16V OPT C2347 0 01uF 25V C2303 10uF 10V C2356 0 1uF...

Страница 44: ...100 R2503 100 PSU_MODE_SELECT_NON R2502 10K R2504 20K R2509 100 R2505 10K R2500 10K R2506 0 OPT R2510 4 99K 1 R2513 10 1 10W 1 R2512 1K R2514 10K L2506 UBW2012 121F L2503 MLB 201209 0120P N2 L2504 MLB 201209 0120P N2 PSU_28P L2505 MLB 201209 0120P N2 PSU_28P L2500 UBW2012 121F L2507 UBW2012 121F L2502 MLB 201209 0120P N2 PWM_DIM2 PWM_TCON_OUT RL_ON POWER_ON OFF1 L D_CLK L D_VSYNC INV_CTL PANEL_CTL...

Страница 45: ... SI21 SDA21 11 P70 KR0 SCK21 SCL21 12 P30 INTP3 RTC1HZ SCK11 SCL11 13 P50 INTP1 SI11 SDA11 14 P51 INTP2 SO11 15 P17 TI02 TO02 16 P16 TI01 TO01 INTP5 17 P15 PCLBUZ1 SCK20 SCL20 18 P14 RXD2 SI20 SDA20 19 P13 TXD2 SO20 20 P12 SO00 TXD0 TOOLTXD 21 P11 SI00 RXD0 TOOLRXD SDA00 22 P10 SCK00 SCL00 23 P146 24 P147 ANI18 25 P27 ANI7 26 P26 ANI6 27 P25 ANI5 28 P24 ANI4 29 P23 ANI3 30 P22 ANI2 31 P21 ANI1 AVR...

Страница 46: ...M_LOGO OLED R3009 3 20K MICOM_UHD R3009 4 75K MICOM_8K R3009 1 2 7K MICOM_FHD R3011 2 8 2K MICOM_RTK R3011 4 75K MICOM_M2 R3011 1 2 7K MICOM_M16 R3011 3 20K MICOM_H15 A5LR NON LOGO LCD MODEL_OPT_0 AM0 MICOM MODEL OPTION LOGO LCD 0 72V MODEL_OPT_2 AM2 1 53V BOX_NON_EPI TV_NON_EPI FHD MODEL_OPT_3 AM3 UHD M16 MODEL_OPT_1 AM1 H15 2 27V 3 0V NON LOGO OLED LOGO OLED MODEL_OPT_3 AM3 TV_EPI BOX_NON_EPI 8K...

Страница 47: ...FER_SCL DDC_BUFFER_SDA DDC_SCL_3 R3337 0 HDMI_EXT_EDID R3338 0 HDMI_EXT_EDID VA3314 EAF61630102 R3339 0 HDMI_EXT_EDID R3340 0 HDMI_EXT_EDID DDC_SCL_3_1 DDC_SDA_3_1 DDC_SCL_3_1 DDC_SDA_3_1 JK3302 2 51U019S 7N300AREH1 1 2T PCB HDMI_FREEPORT_SUB2 EAG63530105 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_CL...

Страница 48: ... C3911 27pF 50V OPT R3921 10K 1 R3900 75 1 4W 1 R3912 0 C3903 330pF 50V OPT SPDIF_OUT HP_LOUT_AMP C3909 0 22uF 25V HP_OUT C3902 150pF 50V SC_CVBS_IN C3918 10pF 50V C3906 150pF 50V HP_DET R3904 0 OPT HP_ROUT_AMP C3908 330pF 50V OPT DTV MNT_V_OUT L3900 CM2012F1R0KT 1uH COMP1_Y CVBS C3905 0 1uF 16V C3912 27pF 50V OPT R3903 10K R3915 75 1 R3924 0 R3923 0 R3920 6 8K 1 R3919 6 8K 1 R3905 1K R3914 1K R39...

Страница 49: ...105 100pF 50V C4102 0 1uF 16V OPT M_RFModule_RESET WIFI_EN 3 5V_WIFI C4107 5pF 50V OPT LED_R C4112 0 1uF OPT R4101 33 R4117 2K OPT D4100 WIFI_DIODE_TOSHIBA EAH62735601 D4100 1 WIFI_DIODE_SEMTECH EAH61515101 R4118 0 1 16W 5 OPT R4119 0 1 16W WIFI_11N_ONLY P4100 12507WR H21L2B BK 1 VCC 2 USB D 3 USB D 4 GND 5 WL_HOST_WAKE 6 GND 7 BT_REG_ON 8 GND 12 SDA 13 SCL 14 GND 15 IR 16 LED 17 GND 18 3 5v_ST 19...

Страница 50: ..._CTL1 C4310 10uF 10V 5V_USB_1 3 3V_NORMAL D4301 5V D4303 5V D4300 USB_DIODE_TOSHIBA D4302 DF3D6 8MS USB_DIODE_TOSHIBA D4300 1 USB_DIODE_SEMTECH D4302 1 USB_DIODE_SEMTECH JK4302 3AU04S 305 ZC LG USB2 0_FREEPORT_MAIN 1 2 3 4 5 JK4300 3AU04S 305 ZC LG USB2 0_FREEPORT_MAIN 1 2 3 4 5 JK4302 1 SPG15 UCS 0203 USB2 0_SPG_SUB1 1 2 3 4 5 JK4300 1 SPG15 UCS 0203 USB2 0_SPG_SUB1 1 2 3 4 5 JK4302 2 HONGLIN USB...

Страница 51: ... D 4 GND 5 STDA_SSRX 6 STDA_SSRX 7 GND_DRAIN 8 STDA_SSTX 9 STDA_SSTX 10 SHIELD JK4400 3AG009S 106N3R6003 1 2T PCB EAG63374205 USB3 0_FREEPORT_1 2T 1 VBUS 2 D 3 D 4 GND 5 STDA_SSRX 6 STDA_SSRX 7 GND_DRAIN 8 STDA_SSTX 9 STDA_SSTX 10 SHIELD R4400 2 2 R4401 2 2 D4400 IP4294CZ10 TBR USB3 0_DIODE_NXP_MAIN 1 8 2 7 3 6 4 5 9 10 D4401 IP4294CZ10 TBR USB3 0_DIODE_NXP_MAIN 1 8 2 7 3 6 4 5 9 10 JK4400 1 SJ113...

Страница 52: ...V EPHY_RDP R5000 0 OPT C5000 0 1uF 16V EPHY_TDN EPHY_RDN R5001 0 OPT VA5001 5 5V VA5002 5 5V EPHY_TDP C5001 0 01uF 50V L5000 PZ1608U121 2R0TF JK5000 RJ45VT 01SN002 LANJACK_UDE_MAIN EAG35781010 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 JK5000 1 26TM9G 30100 02HF LANJACK_FREEPORT_SUB1 EAG35781016 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 JK5000 2 B50 512 10 F4 03A A013 B52 EAG35781018 LANJACK_HONGLIN_SUB2 1 1 2...

Страница 53: ...TOR_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 PGND1A 35 BST1A 36 RESET 37 AD 38 CLK_I 39 GND_IO 40 VDD_IO 41 EP GND C5813 390pF 50V 0 1uF C5805 16V R5800 10K I2C_SCL4 C5812 22000pF 50V TP5801 0 1uF C5822 50V 10uF C5809 35V AR5800 100 13V_AMP C581...

Страница 54: ...P7515 SPK_WOOFER 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 PGND1A 35 BST1A 36 RESET 37 AD 38 CLK_I 39 GND_IO 40 VDD_IO 41 EP GND SPK_R _WF R5907 4 ...

Страница 55: ... 0 1uF 16V HP_AMP R6103 43K 1 HP_AMP R6102 43K 1 HP_AMP C6103 1uF 10V HP_AMP R6107 0 HP_AMP_NON SIDE_HP_MUTE HP_ROUT_AMP C6111 0 01uF OPT C6104 18pF HP_AMP 3 3V_NORMAL C6105 1uF 10V HP_AMP IC6100 TPA6138A2 HP_AMP 3 OUTR 2 INR 4 GND_1 1 INR 6 VSS 5 MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 12 OUTL 13 INL 14 INL HP_LOUT_AMP C6108 10pF 50V HP_AMP C6106 10pF 50V HP_AMP C6100 2 2uF 10V HP_AMP C6109 18pF HP_...

Страница 56: ...7K JAPAN R6319 1 2K OPT C6304 0 1uF 16V JAPAN R6313 75 JAPAN R6302 OPT SMARTCARD_RST P6300 10057542 1311FLF B CAS Slot JAPAN_BCAS_OLD C1 VCC C2 RST C3 CLK C4 RESERVED_1 C5 GND C6 VPP C7 I O C8 RESERVED S1 SW1 S2 SW2 R6317 1 2K JAPAN L6301 BLM18PG121SN1D JAPAN C6305 0 1uF 16V JAPAN L6300 BLM18PG121SN1D JAPAN C6302 0 1uF 16V JAPAN SMARTCARD_PWR_SEL R6318 1 2K OPT SMARTCARD_DET C6303 0 1uF 16V JAPAN ...

Страница 57: ...B_OUT 3 3V_NORMAL R6504 0 TU_ALL_IntDemod IF_N_TU R6500 10K TU_N D C6511 0 1uF TU_N D L6502 OPT TU_SIF_TU L6503 PZ1608U121 2R0TF TU_N D 3 3V_NORMAL FE_DEMOD1_TS_SYNC FE_DEMOD1_TS_VAL FE_DEMOD1_TS_DATA 2 FE_DEMOD1_TS_DATA 4 FE_DEMOD1_TS_DATA 0 7 FE_DEMOD1_TS_DATA 1 FE_DEMOD1_TS_DATA 3 FE_DEMOD1_TS_DATA 6 FE_DEMOD1_TS_DATA 7 FE_DEMOD1_TS_DATA 5 FE_DEMOD1_TS_DATA 0 C6512 0 1uF OPT IF_P_MAIN C6500 10u...

Страница 58: ..._N_KR 1 SCL_RF 2 SDA_RF 3 B1 3 3V 4 CVBS 5 AIF_AGC 6 SIF 7 AIF N 8 AIF P 9 GND_1 10 RESET_DEMOD 11 B2 3 3V 12 F22_OUTPUT 13 B3 1 2V 14 ERROR 15 MCLK 16 SYNC 17 VALID 18 DATA0 19 DATA1 20 DATA2 21 DATA3 22 DATA4 23 DATA5 24 DATA6 25 DATA7 26 LNB 27 GND_2 28 SHIELD TU6701 2 TDJN K301F TU_N_CO 1 SCL_RF 2 SDA_RF 3 B1 3 3V 4 CVBS 5 AIF_AGC 6 SIF 7 AIF N 8 AIF P 9 GND_1 10 RESET_DEMOD 11 B2 3 3V 12 F22_...

Страница 59: ...10K 1 16W 5 LNB C6910 0 1uF 50V LNB R6910 36K LNB C6906 10uF 25V LNB A_GND 3 3V_NORMAL A_GND R6904 0 R6905 0 LNB_Tx C6904 0 1uF 50V LNB R6911 150K LNB A_GND LNB_TX C6902 0 22uF 25V LNB C6913 0 1uF 50V LNB C6908 0 1uF LNB C6900 0 1uF LNB A_GND AR6900 33 LNB D6904 40V LNB SX34 D6903 40V LNB SX34 13V_M R6902 10K LNB_JAPAN R6902 1 0 NON_JAPAN_LNB R6901 27K LNB_JAPAN Q6900 MMBT3904 NXP LNB EBK61012601 ...

Страница 60: ..._VX1 R7121 10K OPT DATA_FORMAT_1 C7113 0 1uF PANEL_VX1 3 3V_NORMAL C7101 10uF 25V PANEL_VX1_51P_VCC TXDBN5_L I2C_SCL6 TXDBN3_L LOCKAn C7106 0 1uF PANEL_VX1 1 8V R7102 10K OPT C7110 0 1uF PANEL_VX1 R7103 0 LGD INX_Module R7125 0 TCON_LDIM_EN HTPDAn_IN TXDBP3_L 3 3V_NORMAL TXDBP5_L R7113 0 PANEL_VX1 C7102 0 1uF PANEL_VX1 LOCKAn_IN C7115 0 1uF PANEL_VX1 R7109 10K OPT Q7101 T2N7002AK TCON_I2C_FET_TOSH...

Страница 61: ...L7200 PANEL_TCON_5P_POWER MLB 201209 0120P N2 TXDAP3_L C7211 0 1uF PANEL_VX1_41P_WAFER C7200 10uF 25V PANEL_TCON_5P_POWER R7201 0 LGD_Module_V16_120Hz C7201 0 1uF PANEL_VX1_41P_WAFER TXDAP0_L PANEL_VCC C7202 0 1uF PANEL_VX1_41P_WAFER TXDAN2_L TXDAN4_L C7214 0 1uF PANEL_VX1_41P_WAFER C7218 0 1uF 25V PANEL_TCON_5P_POWER C7209 0 1uF PANEL_VX1_41P_WAFER TXDAN3_L L7202 MLB 201209 0120P N2 PANEL_VX1_41P...

Страница 62: ..._11 K8 VSS_2 N2 VSS_3 N5 VSS_4 P4 VSS_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_29 C14 NC_30 D1 NC_31 D2 NC_32 D3 NC_33 D4 NC_34 D12 NC_35 D13 NC_36 D14 NC_37 E1 NC_38 E2 NC_39 E3 NC_40 ...

Страница 63: ... 7500 C11200 0 1uF RS232C C11202 0 1uF RS232C 3 5V_ST C11201 0 1uF RS232C SOC_RX RIN1 SOC_TX IC11200 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 AR11200 100 1 16W RS232C C11203 0 1uF RS232C DOUT1 C11204 0 1uF RS232C VA11200 OPT EAF61630102 VA11201 OPT EAF61630102 RS 232C Control INTERFACE Closed to Jack si...

Страница 64: ......

Страница 66: ...uto 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 MR15 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 ther...

Страница 67: ... End 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 Error symptom A Video error No video Normal audio A18 A18 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 Cabl...

Страница 68: ...replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A18 Established date Revised date 2 16 Error symptom 2 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...ck Tuner soldering Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Advanced Channels Channel 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 Revi...

Страница 70: ...rnal 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 Check Test pattern A8 A7 Standard Repair Process Established date Revised date 4 16 Error symptom 4 Copyright 2016 LG Electronics Inc All rights rese...

Страница 71: ...y 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 72: ...ch output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check 13V For STBY 3 3V Replace Power B D N Y Normal voltage Replace Power B D Y A17 A18 A18 A18 Standard Repair Process Established date Revised date 6 16 Error symptom 6 Stand By Red or Turn On Operating Turn Off Close Copyright 2016 LG Electronics Inc All rights reserved Only for training and service pur...

Страница 73: ...f 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 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 POWER...

Страница 74: ...d and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A20 A21 A18 Disconnection Established date Revised date 8 16 Error symptom Standard Repair Process 8 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 75: ... Connect 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 13V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Est...

Страница 76: ...Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D 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 A18 Check IR Output signal Normal Signal N Y Repair Replace IR B D N Replace Main B D Y Standard Repair Process Established date Revised date 10 16 Error symptom 10 Y Copyr...

Страница 77: ...te Revised date 11 16 Error symptom 11 Replace MR13 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 A4 A4 Copyright 2016 LG Elec...

Страница 78: ...le connection N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 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 A4 A4 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 79: ...is NULL Y N Reconnect the Camera module Standard Repair Process Established date Revised date 13 16 Error symptom 13 Change the Camera module Normal operation Close Y N Replace Main B D A4 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 80: ... external 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 Error symptom Standard Repair Process 14 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 81: ...the solution 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 Error symptom Stan...

Страница 82: ...eplace remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 Error symptom Standard Repair Process 16 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...r Checking Part A5 6 A Video error _Vertical Horizontal bar residual image light spot connection diagram A6 7 A Video error_ Color error Check Link Cable reconnection condition A7 Adjustment Test pattern ADJ Key A8 8 9 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 10 Exchange Main Board 2 A 2 5 11 Exchange Power Board PSU A 3 5 12 Exchange Module 1 A 4 5 13 Exc...

Страница 84: ... A19 17 C Audio error_ No audio Normal video Checking method in menu when there is no audio A20 18 Voltage and speaker checking method when there is no audio A21 19 D Function error Remote control operation checking method A22 20 Motion Remote operation checking method A23 21 Wifi operation checking method A24 22 Camera operation checking method A25 Not Used Copyright 2016 LG Electronics Inc All r...

Страница 85: ...D back light with naked eye A Video error_No video Normal audio After turning on the power and disassembling the case check with the naked eye whether you can see light from locations A1 xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 86: ...After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD Entry method 1 Press the ADJ button on the remote control 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 ALL MODELS Copyright 2016 LG Electronics In...

Страница 87: ...andard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop ALL MODELS A3 Established date Revised date Error symptom Content A3 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 88: ...stop 1 Checking method for remote control for adjustment Press the IN START with the remote control for adjustment Version ALL MODELS A4 Established date Revised date Error symptom Content A4 v v Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 89: ... BOARD 3 If you can t see the UHD live TV please connect signal at left side of jack Korea model only Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A5 Established date Revised date Error symptom Content A5 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 90: ...ntal bar residual image light spot As the part connecting to the external input check the screen condition by signal A6 Established date Revised date Error symptom Content A6 ALL MODELS Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 91: ...on A Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content A7 ALL MODELS Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 92: ...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 Established date Revised date Error symptom Content A8 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 93: ...Solder 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 Appendix Exchange Main Board 1 A 1 5 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 94: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange Main Board 2 A 2 5 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 95: ...ix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 96: ...ss damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage A 4 5 Un repairable Cases In this case please exchange the module Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 97: ...k Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 A 5 5 Un repairable Cases In this case please exchange the module Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 98: ...dicator B Power error _No power A17 Established date Revised date Error symptom Content A17 xxUH77 Ux ST BY condition On or Off Power ON condition Turn Off Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 99: ...nical Manual Revised date A18 Error symptom Content Check power input voltage and ST BY 3 5V B Power error _No power A18 Check the DC 13 2V Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 100: ...em 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A19 Established date Revised date Error symptom Content A19 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 101: ...elect TV Speaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A20 Established date Revised date Error symptom Content A20 Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 102: ...minal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video A21 Established date Revised date Error symptom Content A21 1 SPK_R 2 SPK_R 3 SPK_L 4 SPK_L xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights r...

Страница 103: ...l Technical Manual Remote control operation checking method D Function error A22 Established date Revised date Error symptom Content A22 xxUH7700 Ux Checking order to check remote control IR EYE Sensor IR LOGO light Rear IR Eye Pin Pin name 1 VCC 2 USB_DM 3 USB_DP 4 WOL_HOST_WAKE 5 GND 6 BT_RESET 7 GND 8 9 10 11 12 SDA 13 SCL 14 GND 15 IR 16 LED 17 GND 18 3 5V 19 KEY1 20 KEY2 21 GND LED Copyright ...

Страница 104: ...tween BT Wifi assy Main board 2 Check the 3 5V on the terminal 16 Checking order to check motion remote wifi Wifi BT Front Wifi BT Rear Pin Pin name 1 VCC 2 USB_DM 3 USB_DP 4 WOL_HOST_WAKE 5 GND 6 BT_RESET 7 GND 8 9 10 11 12 SDA 13 SCL 14 GND 15 IR 16 LED 17 GND 18 3 5V 19 KEY1 20 KEY2 21 GND xxUH7700 Ux Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes L...

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