LG 55LM8600 Service Manual Download Page 56

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2012 LED/LCD TV

Engineering guide

Applicable Model

High-end

72LM9500-TA
xxLM9600-TA
xxLM8600-TA

Only for training and service purposes

LGE Internal Use Only

Summary of Contents for 55LM8600

Page 1: ...0 55LM8600 TA 55LM860Y 55LM860Y TA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED LCD 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: ...ight LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 5 ADJUSTMENT INSTRUCTION 13 EXPLODED VIEW 20 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: ... IEC 4 Model General Specification No Item Specification Remarks 1 Market Asia Oceania Africa Middle East PAL DVB Market DTV Analog DTV Region Australia NewZealand AU Singapore SG Indonesia ID Malaysia MY Vietnam VN South Africa ZA Iran IR Israel IL 2 Broadcasting system Digital DVB T Analog PAL BG DK I I SECAM DK BG I Australia India only PAL 3 Receiving system Digital COFDM QAM Analog Upper Hete...

Page 7: ...0P 50Hz 10 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz 11 1920 1080 33 72 59 94 74 176 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 26 97 23 976 63 296 HDTV 1080P 14 1920 1080 27 00 24 000 63 36 HDTV 1080P 15 1920 1080 33 71 29 97 79 120 HDTV 1080P 16 1920 1080 33 75 30 00 79 20 HDTV 1080P 17 1920 1080 56 25 50 148 5 HDTV 1080P 18 1920 1080 67 432 59 94 148 350 HDTV 1080P 19...

Page 8: ...sed Remarks 1 720 480 15 73 59 94 13 500 SDTV DVD 480I 525I Spec out but display 2 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50Hz 4 720 480 31 47 59 94 27 SDTV 480P 5 720 480 31 5 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 SDTV 576P 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 60 00 74 25 HDTV 720P 9 1280 720 37 5 50 00 74 25 HDTV ...

Page 9: ...p Bottom 5 1920 1080 27 00 24 00 74 25 HDTV 1080P 2D to 3D Side by Side half Top Bottom Checkerboard 6 1920 1080 28 12 25 00 74 25 HDTV 1080P 2D to 3D Side by Side half Top Bottom Checkerboard 7 1920 1080 33 75 30 00 74 25 HDTV 1080P 2D to 3D Side by Side half Top Bottom Checkerboard 8 1920 1080 67 50 60 00 148 5 HDTV 1080P 2D to 3D Side by Side half Top Bottom Checkerboard Single Frame Sequential...

Page 10: ...mary HDTV 720P 8 1280 720 90 59 94 60 148 5 4 Frame packing Line alternative Side by side Full Primary HDTV 720P HDTV 720P HDTV 720P 9 1920 1080 33 72 33 75 59 94 60 74 17 74 25 5 Top and Bottom Side by side half Secondary HDTV 1080I Primary HDTV 1080I 10 1920 1080 67 50 59 94 60 148 5 5 Frame packing Field alternative Side by side Full Primary HDTV 1080I HDTV 1080I HDTV 1080I 11 1920 1080 28 125 ...

Page 11: ...3D Supported mode manually No Resolution H freq kHz V freq kHz Pixel clock MHz 3D input proposed mode Proposed 1 1280 720 37 5 50 74 25 2D to 3D Side by Side half Top Bottom HDTV 720P 2 1280 720 45 00 60 00 74 25 2D to 3D Side by Side half Top Bottom HDTV 720P 3 1280 720 44 96 59 94 74 176 2D to 3D Side by Side half Top Bottom HDTV 720P 4 1920 1080 33 75 60 00 74 25 2D to 3D Side by Side half Top ...

Page 12: ...olution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode Proposed 1 1920 1080 33 75 30 74 25 2D to 3D Side by Side Half Top Bottom Checkerboard Row Interleaving Column Interleaving Photo side by Side half Top Bottom HDTV 1080P 9 6 USB Input 3D 3D Supported mode manually 3D supported mode manually automatically 9 7 DLNA Input 3D 3D Supported mode manually 3D supported mode manually autom...

Page 13: ...ADC Adjustment 3 1 1 Overview ADC adjustment is needed to find the optimum black level and gain in Analog to Digital device and to compensate RGB deviation 3 1 2 Equipment Condition 1 USB to RS 232C Jig 2 MSPG 925 Series Pattern Generator MSPG 925FA pattern 65 Resolution 480i Comp1 1080P Comp1 1920 1080 RGB Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image 3 1 3 Adjustment ...

Page 14: ...mber Download 3 5 1 Model name Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect RS232 Signal to USB Cable to USB Write Serial number by use USB port Must check the serial number at Instart menu 3 5 2 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must ...

Page 15: ...Adjustment condition normal temperature 1 Surrounding Temperature 25 C 5 C 2 Warm up time About 5 Min 3 Surrounding Humidity 20 80 H freq kHz V freq Hz Transmission A I Set ID 20 Cr O K X or NG For Analog For HDMI EDID D sub to D sub DVI D to HDMI or HDMI to HDMI 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 16 01 03 80 00 5A 78 0A EE 91 A3 54 4C 99 26 20 ...

Page 16: ...Manual adjustment method 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10 cm of the surface 3 Press ADJ key EZ adjust using adj R C 7 White Balance then press the cursor to the right key When right 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 th...

Page 17: ...om the Eye Q II sensor and wait for 6 seconds 6 Confirm that ok pop up If change is not seen replace Eye Q II sensor 4 5 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 4 6 Magic Motion Remote control test Equipment RF Remote control...

Page 18: ...al Pressure auto check preparation Check that Power Cord is fully inserted to the SET If loose re insert 2 Perform GND Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the auto check process Connect D terminal to AV JACK TESTER Auto CONTROLLER GWS103 4 ON Perform GND TEST If NG Buzzer will sound to inform the operator If OK changeover to I P check automat...

Page 19: ...Copying files from memory 4 Updating is starting 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on pro...

Page 20: ...122 Dual Play 320 EXPLODED VIEW Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the origina...

Page 21: ...3 C23 SD_CD_N GPIO75 A23 SD_WP_N GPIO74 B23 SD_DATA3 GPIO72 A24 SD_DATA2 GPIO87 B24 SD_DATA1 GPIO86 C24 SD_DATA0 GPIO85 A25 USB_DP1 B27 USB_DM1 A27 USB_DP2 A26 USB_DM2 B26 USB_TXR_RKL C25 USB_ANALOGTEST B25 BT_USB_DP AA1 BT_USB_DM AA2 BT_TXR_RKL AA4 BT_ANALOGTEST Y4 EMMC_RST E28 EMMC_CLK F27 EMMC_CMD F26 EMMC_DATA7 C26 EMMC_DATA6 E27 EMMC_DATA5 E26 EMMC_DATA4 D27 EMMC_DATA3 D28 EMMC_DATA2 C27 EMMC...

Page 22: ...15 GND_24 K16 GND_25 K17 GND_26 K18 GND_27 K19 GND_28 K20 GND_29 L7 GND_30 L12 GND_31 L13 GND_32 L14 GND_33 L15 GND_34 L16 GND_35 L17 GND_36 L18 GND_37 L19 GND_38 L21 GND_39 M7 GND_40 M12 GND_41 M13 GND_42 M14 GND_43 M15 GND_44 M16 GND_45 M17 GND_46 M18 GND_47 M19 GND_48 N7 GND_49 N12 GND_50 N13 GND_51 N14 GND_52 N15 GND_53 N16 GND_54 N17 GND_55 N18 GND_56 N19 GND_57 P7 GND_58 P12 GND_59 P13 GND_6...

Page 23: ..._REFN T4 AUAD_REFP U4 AUAD_VR_OUT V5 AUMI_BIAS R7 AUMI_IN R5 AUMI_COM R6 DDCD0_DA E18 DDCD0_CK E17 HPD0 E16 PHY0_RXCN_0 J18 PHY0_RXCP_0 J17 PHY0_RX0N_0 H17 PHY0_RX0P_0 H18 PHY0_RX1N_0 G17 PHY0_RX1P_0 G18 PHY0_RX2N_0 G16 PHY0_RX2P_0 F16 PHY0_ARC_OUT_0 F17 ANTCON P12 RFAGC M18 IFAGC P18 ADC_I_INCOM T17 ADC_I_INP U18 ADC_I_INN T18 IC101 LG1152AN B2 INTR_GBB L1 INTR_HDMI1 L2 INTR_AFE3CH L3 AUD_HMR00AR...

Page 24: ...DR_DQ5 M2_DDR_A2 M2_DDR_DQ1 M2_DDR_CKE M2_DDR_A12 M2_DDR_DQ6 M2_DDR_A1 M2_DDR_DQ7 M2_DDR_A11 M2_DDR_DQ11 M2_DDR_DQ3 M2_DDR_DQ4 M2_DDR_DQ9 M2_DDR_A13 M2_DDR_DQ14 M2_DDR_BA0 M2_DDR_CLK M2_DDR_CLKN M2_DDR_RASN M2_DDR_DQSU_P M2_DDR_BA1 M2_DDR_DML M2_DDR_RESET_N M2_DDR_DMU M2_DDR_DQ13 M2_DDR_A5 M2_DDR_A9 M2_DDR_DQ2 M2_DDR_DQ10 M2_DDR_A10 M2_DDR_DQSL_P M2_DDR_DQSL_N M2_DDR_DQ8 M2_DDR_DQSU_N M2_DDR_ODT M...

Page 25: ...6 DAT6 37 TS_OUT3 1 GND 24 ADDR5 55 TS_IN6 19 TS_IN_VAL 50 TS_IN3 44 IORD 14 ADDR14 8 ADDR10 39 TS_OUT5 3 DAT4 26 ADDR3 60 INPACK 27 ADDR2 61 REG 28 ADDR1 62 TS_OUT_VAL 29 ADDR0 63 TS_OUT_SYN 30 DAT0 64 TS_OUT0 31 DAT1 32 DAT2 33 IO_BIT 34 GND 65 TS_OUT1 66 TS_OUT2 67 CI_DET2 68 GND 69 CI_ADDR 8 R6224 22 CI CI_ADDR 14 R6204 10K OPT PCM_REG CI_TS_DATA 1 R6213 0 OPT R6210 0 OPT PCM_IOWR CI_ADDR 4 R6...

Page 26: ... L2303 BLM18SG121TN1D L2305 CIS21J121 C2334 100pF 50V C2328 0 1uF 50V 3 5V_ST C2325 0 1uF 16V C2338 100pF 50V ERROR_OUT 12V 3 3V_TU R2366 0 5 PD_ 3 5V R2377 100K 1 16W 5 C2335 0 1uF 50V OPT 12V C2375 180pF 50V R2315 100 1 C2329 0 01uF 50V 12V 5V_NORMAL C2333 22uF 10V R2346 2K 1 10uF C2324 10V C2342 2200pF 50V L2313 6 8uH NR8040T4R7N R2362 2 7K 1 PD_ 12V R2363 1 2K 1 PD_ 12V R2364 8 2K 1 PD_24V R23...

Page 27: ...NTP4 6 P75 KR5 INTP9 SCK01 SCL01 7 P74 KR4 INTP8 SI01 SDA01 8 P73 KR3 SO01 9 P72 KR2 SO21 10 P71 KR1 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 2...

Page 28: ...4 NXP E B C 3 5V_ST R3243 1K 1 16W 5 R3246 10K D3203 A2 C A1 D3202 A2 C A1 D3204 A2 C A1 D3200 A2 C A1 D3201 A2 C A1 D3205 A2 C A1 R3247 10K D3207 5 6V IC3201 SII9587CNUC FHD 1 R1XCN 2 R1XCP 3 R1X0N 4 R1X0P 5 R1X1N 6 R1X1P 7 R1X2N 8 R1X2P 9 AVDD12_1 10 VDD12_1 11 R3XCN 12 R3XCP 13 R3X0N 14 R3X0P 15 R3X1N 16 R3X1P 17 R3X2N 18 R3X2P 19 AVDD12_2 20 VDD33_1 21 R4XCN 22 R4XCP 23 R4X0N 24 R4X0P 25 R4X1N...

Page 29: ... 13 14 14 15 15 16 16 R3646 10K C3615 0 1uF 16V RGB_DDC_SDA SPDIF_OUT R3615 33 C3634 18pF 50V EDID_WP PC_R_IN 5V_NORMAL DSUB_HSYNC DSUB_VSYNC D3616 30V OPT PC_L_IN R3642 2 7K RGB_5V RGB_5V IC3600 M24C02 RMN6T RGB_EDID 3 E2 2 E1 4 VSS 1 E0 5 SDA 6 SCL 7 WC 8 VCC SOC_TX SOC_RX D3620 MMBD6100 A2 C A1 R3647 100 RGB_DEBUG D3623 5 6V OPT D3611 5 6V OPT D3612 5 6V OPT D3600 20V OPT D3601 20V OPT D3622 5 ...

Page 30: ...D FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC R3700 10K HP_OUT HP_LOUT 3 3V_NORMAL JK3700 KJA PH 0 0177 EAG61030001 HP_OUT 3 DETECT 4 L 5 GND 1 R HP_DET HP_ROUT VA3700 5 6V OPT VA3700 1 5 6V ESD_MTK_HP_OUT VA3700 2 5 6V ESD_LG1152_HP_OUT 37 JACK_COMMON 2011 11 21 ESD for LG1152 ESD for MTK Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purpo...

Page 31: ...CT 4 M4 5 M5_GND 1 M1 6 M6 AV1_CVBS_IN COMP1_Y R3821 100 RS232 3 3V_NORMAL R3820 100 RS232 3 5V_ST 12V_COMMERCIAL_OUT 12V_COMMERCIAL_OUT 3 5V_ST R3834 10K OPT_RS232 SOC_RX 3 5V_ST SOC_TX P3800 12507WS 04L UART_4PIN_STRAIGHT 1 2 3 4 5 R3810 10K R3806 10K D3803 5 6V OPT D3800 5 6V OPT D3804 20V OPT D3805 20V OPT D3801 5 6V OPT D3802 5 6V OPT D3801 1 5 6V ESD_MTK D3802 1 5 6V ESD_MTK D3800 1 5 6V ESD...

Page 32: ...2 MMBT3904 NXP COMMERCIAL_IR_EU E B C Q4104 MMBT3904 NXP COMMERCIAL_IR E B C R4101 1K COMMERCIAL_IR R4109 1K COMMERCIAL_IR_EU R4115 3 3K COMMERCIAL_IR R4103 3 3K COMMERCIAL_IR R4107 10K IR_BYPASS P4102 12507WR 10L GP4_IR_10P 1 2 3 4 5 6 7 8 9 10 11 D4106 20V ADUC 20S 02 010L OPT D4105 20V ADUC 20S 02 010L OPT D4101 5 6V AMOTECH CO LTD OPT D4100 5 6V AMOTECH CO LTD OPT D4104 5 6V AMOTECH CO LTD OPT...

Page 33: ...DA SMBDATA NON_REM 1 23 VDD33_2 24 SCL SMBCLK CFG_SEL 0 25 HS_IND CFG_SEL 1 26 RESET_N 27 VBUS_DET 28 SUSP_IND LOCAL_PWR NON_REM 0 29 VDDA33_3 30 USBDM_UP 31 USBDP_UP 32 XTALOUT 5 VDDA33_1 8 NC_3 6 NC_1 4 USBDP_DN 2 2 USBDP_DN 1 33 XTALIN CLKIN 34 PLLFILT 35 RBIAS 36 VDD33_3 37 EP VSS 3 3V_NORMAL R4205 1M 1 C4203 0 1uF USB_OCD1 R4204 100K 3 3V_NORMAL 3 3V_NORMAL C4213 0 1uF C4202 0 1uF C4205 15pF ...

Page 34: ...uF 10V 5V_USB 3 3V_NORMAL USB_OCD3 C4301 22uF 10V R4332 10K POWER_ON OFF2_4 C4331 0 1uF 16V 12V L4307 3 6uH C4341 4 7uF 10V R4342 10K 5 L4306 BLM18PG121SN1D USB_CTL3 C4325 10uF 16V C4342 100pF 50V USB_DCDC_SN1104041 IC4306 1 BD86180MUV DEV_USB_DCDC_BD86180 3 SS 2 COMP 4 RT 1 EN 6 CTL1 5 CTL2 7 FLG2 8 FLG1 9 USB_OUT2 10 GND_1 11 GND_2 12 USB_OUT1 13 USB_IN_1 14 USB_IN_2 15 USB_IN_3 16 SW_1 17 SW_2 ...

Page 35: ...1D EU R4600 75 EU DTV MNT_R_OUT SC_FB SC_R R4606 47K EU C4606 0 1uF 50V EU R4601 10K EU R4608 0 OPT D4611 5 6V OPT D4607 5 6V OPT D4606 5 6V OPT D4605 5 6V OPT D4608 5 6V OPT D4601 5 6V OPT D4601 1 5 6V ESD_MTK_SCART 200pF D4605 2 5 6V ESD_LG1152_SCART 200pF D4606 2 5 6V ESD_LG1152_SCART 200pF D4601 2 5 6V ESD_LG1152_SCART 200pF D4611 2 5 6V ESD_LG1152_SCART 200pF D4600 20V OPT D4600 2 20V ESD_LG1...

Page 36: ...MBOL MARK OF THE SCHEMETIC M_RFModule_ISP M_REMOTE_RX M_REMOTE_TX 3 3V_NORMAL L4800 120 ohm M_REMOTE M_RFModule_RESET C4800 0 1uF P4800 12507WR 08L M_REMOTE 1 3 3V 2 GND 3 RX 4 TX 5 RESET 6 DC 7 DD 8 GND 9 AR4800 100 1 16W M_REMOTE 3D_SYNC_RF 3D_SYNC_RF ZigBee_Radio Pulse M_REMOTE OPTION ALL M_REMOTE OPTION 48 MOTION REMOTE 2011 11 21 Only For PDP Copyright 2012 LG Electronics Inc All rights reser...

Page 37: ...N_C D4 GN_A C5003 0 01uF 50V EPHY_RDP LAN_JACK_POWER D5000 5 5V OPT D5002 5 5V OPT D5003 5 5V OPT D5001 5 5V OPT D5001 2 5 5V ADUC 5S 02 0R5L ESD_LG1152 D5003 2 5 5V ADUC 5S 02 0R5L ESD_LG1152 D5002 2 5 5V ADUC 5S 02 0R5L ESD_LG1152 D5000 2 5 5V ADUC 5S 02 0R5L ESD_LG1152 D5003 1 ADUC 5S 02 0R5L ESD_MTK D5000 1 ADUC 5S 02 0R5L ESD_MTK D5002 1 ADUC 5S 02 0R5L ESD_MTK D5001 1 ADUC 5S 02 0R5L ESD_MTK...

Page 38: ...8 0 1uF 16V R5207 22 EPHY_MDIO LAN_JACK_POWER C5212 0 1uF OPT ET_COL SNI C5209 56pF C5202 56pF EPHY_INT R5201 22 L5211 100NH C5206 15pF 50V C5207 15pF 50V IC5200 RTL8201F VB CG 1 RSET 3 MDI 0 7 AVDD33_1 9 RXD 0 10 RXD 1 11 RXD 2 INTB 12 RXD 3 CLK_CTL 13 RXC 14 DVDD33 15 TXC 16 TXD 0 17 TXD 1 18 TXD 2 19 TXD 3 20 TXEN 21 PHYRSTB 22 MDC 23 MDIO 24 LED0 PHYAD 0 PMEB 25 LED1 PHYAD 1 26 CRS CRS_DV 27 C...

Page 39: ... 0 1uF C5413 16V AUD_LRCH L5401 BLM18PG121SN1D 24V_AMP SPK_R C5431 390pF 50V 24V_AMP D5403 100V 1N4148W OPT C5414 10uF 10V AMP_RESET_N R5408 12 C5433 1uF 25V L5404 NRS6045T100MMGK 10 0uH SPK_L C5435 0 47uF 50V C5428 1uF 25V I2C_SCL1 C5409 10uF 10V OPT SPK_L P5400 WAFER ANGLE 1 2 3 4 AMP_MUTE 0 1uF C5439 50V C5417 22000pF 50V R5400 10K R5410 12 SPK_R 0 1uF C5412 16V 24V C5410 10uF 10V OPT 0 1uF C54...

Page 40: ...OPT L5504 NRS6045T100MMGK WOOFER 10 0uH R5501 100 WOOFER R5504 100 WOOFER 24V_AMP_WOOFER 24V_AMP_WOOFER C5526 1uF 25V WOOFER C5523 22000pF 50V WOOFER AUD_MASTER_CLK SPK_WOOFER_L R5517 4 7K 1 16W 5 WOOFER_MONO R5518 4 7K 1 16W 5 WOOFER_MONO C5504 4 7uF 10V WOOFER P5500 FW25001 02 SPK 2P WOOFER 1 2 R5515 5 1K WOOFER R5516 5 1K WOOFER L5501 CIS21J121 WOOFER 24V_AMP_WOOFER 0 1uF C5529 50V WOOFER 24V R...

Page 41: ...U L6000 EU R6002 470K OPT Q6000 MMBT3904 NXP EU E B C R6011 2 2K EU DTV MNT_R_OUT C6003 33pF EU DTV MNT_L_OUT Q6001 MMBT3904 NXP EU E B C DTV MNT_L_OUT R6004 33K EU C6002 6800pF OPT C6007 6800pF OPT C6008 1uF 25V EU C6000 1uF 25V EU IC6000 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC SCART_AMP_R_FB SCART_AMP_L_FB Q6002 MMBT3906 NXP EU E B C R6003 10K EU R6001 10K EU R6012 4 7K...

Page 42: ...MBOL MARK OF THE SCHEMETIC Q6201 AO3407A CI G D S 5V_CI_ON C6207 4 7uF 10V OPT R6218 10K CI 5V_NORMAL C6202 0 1uF 16V OPT R6242 2 2K CI R6221 10K OPT PCM_5V_CTL R6248 10K CI R6223 4 7K CI R6241 22K CI Q6200 MMBT3904 NXP CI E B C C6210 1uF 25V OPT C6210 1 1uF 25V CI_MTK CI POWER ENABLE CONTROL 62 CI SLOT 2011 10 31 Option FOR MTK Option FOR LG1152 Copyright 2012 LG Electronics Inc All rights reserv...

Page 43: ...6402 1uF 10V HP_ROUT_MAIN R6400 4 7K R6405 1K C6406 2 2uF 10V HP_LOUT Q6400 MMBT3904 NXP E B C IC6400 TPA6132A2 EAN60724701 3 INR 2 INL 4 INR 1 INL 5 OUTR 6 G0 7 G1 8 HPVSS 9 CPN 10 PGND 11 CPP 12 HPVDD 13 EN 14 VDD 15 SGND 16 OUTL HP_LOUT_MAIN R6401 OPT R6402 4 7K 3 3V_NORMAL C6404 2 2uF 10V C6407 2 2uF 10V C6403 10uF 10V HP_AMP_MUTE R6406 10 1 16W 5 R6407 10 1 16W 5 C6408 0 47uF 16V C6409 0 47uF...

Page 44: ...1 D1 22 D2 23 D3 24 D4 25 D5 26 D6 27 D7 28 GND_2 29 GND_3 30 1 23V_S2_DEMOD 31 S2_RESET 38 SHIELD 32 3 3V_S2_DEMOD 33 S2_F22_OUTPUT 34 S2_SCL 35 S2_SDA 36 LNB 37 GND_4 TU6502 TDSQ H051F CHB_V 1 5V SPLITTER 2 RESET 3 TU_SCL 4 TU_SDA 5 M_ 3 3V 6 M_SIF 7 M_ 1 8V 8 M_CVBS 9 M_IF_AGC 10 M_DIF P 11 M_DIF N 12 S_3 3V 13 S_1 8V 14 S_CVBS 15 GND_1 16 SD_ERROR 17 SD_SYNC 18 SD_VALID 19 SD_MCLK 20 SD_SERIAL...

Page 45: ...8 22 BFO 23 NC_9 24 BFI 25 VIN 26 LX 27 GNDLX 28 LNB 5 TDO 8 GND 6 EXTM 4 NC_1 2 VCP 29 EP C6908 27pF OPT C6903 0 1uF LNB C6909 27pF OPT D6902 40V LNB_SMAB34 A_GND 3 3V_NORMAL DCDC_GND A_GND 12V_LNB A_GND C6911 0 1uF 50V LNB C6904 0 1uF 50V LNB C6912 68uF 35V LNB D6900 30V MBR230LSFT1G LNB R6906 2 2K 1W LNB D6904 LNB C6910 10uF 25V LNB R6904 0 R6905 0 C6916 18pF LNB C6915 18pF OPT C6913 33pF OPT C...

Page 46: ...IM_EN LOCAL_DIM_EN I2C_BE_SDA1 I2C_BE_SCL1 FRC3_RESET L DIM0_SCLK L DIM0_MOSI L DIM0_SCLK L DIM0_MOSI L DIM0_VS L DIM0_VS BPL_IN FRC3_FLASH_WP R7201 0 R7200 10K P7200 FI RE51S HF J R1500 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 LVDS_SEL 8 NC 9 NC 10 L DIM_ENABLE 11 GND 12 RA0N 13 RA0P 14 RA1N 15 RA1P 16 RA2N 17 RA2P 18 GND 19 RACLKN 20 RACLKP 21 GND 22 RA3N 23 RA3P 24 RA4N 25 RA4P 26 GND 27 BIT_SEL 28 RB0N...

Page 47: ...RITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC I2C_SCL1 L DIM0_SCLK R7601 10K L DIM_OUT 3 3V_NORMAL L DIM0_MOSI R7607 4 7K L DIM_OUT R7606 33 L DIM_OUT P7600 12507WR 08L L DIM_OUT 1 2 3 4 5 6 7 8 9 I2C_SDA1 L DIM0_VS R7600 10K OPT AR7600 33 1 16W L DIM_OUT LOCAL DIMMING To LED DRIVER 76 LOCAL DIMMING 2011 12 13 Copyright 2012 LG Electronics Inc All rights reserved Only for training and ser...

Page 48: ...C_109 N10 NC_110 N11 NC_111 N12 NC_112 N13 NC_113 N14 NC_114 P1 NC_115 P2 NC_117 P8 NC_118 P9 NC_120 P11 NC_121 P12 NC_122 P13 NC_123 P14 DUMMY_1 DU1 DUMMY_2 DU2 DUMMY_3 DU3 DUMMY_4 DU4 DUMMY_5 DU5 DUMMY_6 DU6 DUMMY_7 DU7 DUMMY_8 DU8 DUMMY_9 DU9 DUMMY_10 DU10 DUMMY_11 DU11 DUMMY_12 DU12 DUMMY_13 DU13 DUMMY_14 DU14 DUMMY_15 DU15 DUMMY_16 DU16 IC8100 2 KLM2G1HE3F B001 SAMSUNG_EMMC_2GB DAT0 A3 DAT1 A...

Page 49: ...TICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 3 5V_ST L8900 BLM18PG121SN1D LOGO_LIGHT P8900 12507WR 03L LOGO_LIGHT 1 2 3 4 Q8900 MMBT3904 NXP LOGO_LIGHT E B C LOGO_LIGHT R8903 1K LOGO_LIGHT 3 5V_ST R8901 10K LOGO_LIGHT R8902 10K OPT C8900 0 1uF 16V LOGO_LIGHT R8910 33 LOGO_LIGHT R8911 33 LOGO_LIGHT Place Near Micom Copyright 2012 LG Electronics Inc All rights reserved Only for training and ...

Page 50: ...TMODE1 G3 TMODE2 G2 TMODE3 G1 TRST_N H1 TDO H3 TDI H2 TCK J3 TMS J2 PORES_N F3 XTALO AB21 XTALI AA21 TXA0P A10 TXA0N B10 TXA1P C9 TXA1N C10 TXA2P B9 TXA2N A9 TXACLKP A8 TXACLKN B8 TXA3P C7 TXA3N C8 TXA4P B7 TXA4N A7 TXB0P A6 TXB0N B6 TXB1P C5 TXB1N C6 TXB2P B5 TXB2N A5 TXBCLKP A4 TXBCLKN B4 TXB3P C3 TXB3N C4 TXB4P B3 TXB4N A3 TXC0P A18 TXC0N B18 TXC1P C17 TXC1N C18 TXC2P B17 TXC2N A17 TXCCLKP A16 ...

Page 51: ... C9409 0 1uF C9404 0 1uF C9406 0 1uF 1 5VQ C9417 1000pF R9407 1K 1 DDR_RESET_N DDR_BA 0 1 5VQ R9408 1K 1 R9409 1K 1 1 5V_LG1132 1 5VQ R9401 100 1 C9402 0 1uF DDR_DQS_N 0 DDR_DM 0 DDR_ODT DDR_DQS 0 C9411 0 1uF 0 75V_VREF_M1 DDR_DQS 1 DDR_CLKN DDR_BA 0 DDR_A 0 13 DDR_DQS_N 1 C9408 0 1uF C9400 0 1uF 1 5VQ DDR_DATA 0 15 1 5VQ C9421 1000pF DDR_CLK DDR_DM 1 R9405 1K 1 C9415 0 1uF 0 75V_VREF_D0 DDR_CLK D...

Page 52: ...18PG121SN1D UD C9503 100pF 50V UD 12V C9508 22uF 10V OPT C9507 22uF 10V UD IC9501 TPS54327DDAR UD 3 VREG5 2 VFB 4 SS 1 EN 5 GND 6 SW 7 VBST 8 VIN 9 EP GND C9506 0 1uF 16V UD POWER_ON OFF2_3 R9504 10K UD C9505 3300pF 50V UD 1 0VDC L9502 CIC21J501NE NON_UD 1 0V_VDD R9503 11K 1 UD R9505 33K 1 UD ZD9500 5 48VTO5 76V LG1132 POWER LG1132 Power 2011 06 28 Max 2000 mA LG1152 for 1 0V Vout 0 8 1 R1 R2 1 5A...

Page 53: ...SOR A AC C R10001 22K 1 16W 1 MOTOR_SENSOR MOTOR C10001 0 1uF 50V OPT MOTOR_SENSOR 12V_MOTOR C10012 0 1uF 50V R10013 10K OPT R10035 10K MOTOR_SENSOR_UP JP10005 Q10000 2SC3052 MOTOR_SENSOR E B C 3 3V_NORMAL R10018 0 OPT 12V_MOTOR R10027 0 MOTOR_SENSOR R10016 0 MOTOR_SENSOR L10002 MLB 201209 0120P N2 R10028 100 R10014 22K 1 16W 1 MOTOR_SENSOR JP10004 C10014 0 1uF 50V MOTOR_SENSOR_UP 12V ZD10001 8 2V...

Page 54: ...MAL 3 3V_IR_Bla 5V_NORMAL C11009 0 1uF 16V OPT R11021 10K IR_Bla Q11003 MMBT3904 NXP IR_Bla E B C R11001 1K IR_Bla C11010 0 1uF 16V IR_Bla D11002 IR_Bla IC11002 MC96FR3128R IR_Bla 3 XOUT 2 XIN 4 P20 RESETB 1 VSS 6 P11 KS9 MISO1 5 P10 KS8 MOSI1 7 P12 KS10 INT0 8 P13 KS11 INT1 9 P14 KS12 SS1 INT2 10 P15 KS13 XCK1 INT3 11 P16 KS14 MOSI0 12 P17 KS15 MISO0 13 P30 SS0 EC2 EXTREF 14 P31 XCK0 SENSOR 15 P3...

Page 55: ......

Page 56: ... LED LCD TV Engineering guide Applicable Model High end 72LM9500 TA xxLM9600 TA xxLM8600 TA Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ... W 3D V 2D K CCFL 10 E LED D CCFL 09 H Grade 12year High end 96 95 86 Mid end 76 67 66 64 62 Low end 46 36 34 Broadcast Next Page 1 Broadcast 4 Design 2 3 4 1 Model naming and Tool option Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ...VB T DVB T DVB T ISDB T T DVB T2 C DVB T2 DVB T2 S DVB T C S2 V DVB T2 C S2 C DVB T2 C2 S2 B ISDB T ISDB T A ATSC 1 Model naming and Tool option Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...600 60LM9600 TA D1 L9 LB23E 8 3W LGD 60FPRPOLARIST 240FHD O PO LA RIS T 2 4 0 FH D B I B I 호주 M4 B I F310 2box B I F310DP 1box 55 LM9 600 LM9600 55LM9600 TA E L9 LB23E 2 1W LGD LC550DUT SEF1 O AL EF T 4 8 0 FH D B I B I 호주 M4 B I F310 2box B I F310DP 1box 47 LM9 600 LM9600 47LM9600 TA D4 E L9 LB23E 2 1W LGD LC470DUT SEF1 O AL EF T 4 8 0 FH D B I B I 호주 M4 B I F310 2box B I F310DP 1box 55 LM8 600 L...

Page 60: ...TV DVB T IL Israel Israel DTV DVB T Country Group Country A ASIA XB Analog TV AU Australia New Zealand SG Singapore ID Indonesia MY Malaysia VN Vietnam IR Iran IL Israel ZA South Africa Country Group 9 unit 3 unit AJ JA IL Country Set in Factory Set by User Myanmar Sri Lanka New DTV country India Thailand Large corporation Algeria Tunisia Manage in Asia Africa Israel Separate by distribution Asia ...

Page 61: ...3 262 16645 16647 18183 JA IL West Africa Iraq MQ_FARSI Iraq MH ME_ARABIC Sudan Syria Libya South Africa Kenya Mauritius Kuwait Algeria Tunisia Israel MT_SBITANY Nigeria U A E Saudi Arabia Egypt Jordan Lebanon Iran Pakistan Israel MF_H Y E 257 385 353 259 355 260 357 359 391 16738 355 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only...

Page 62: ...sor_Digital LG1152D DDR Memory Flash Memory 2 Main processor_analog LG1152A 2 3 Micom for Key IR sensing HDMI switch 4 1 Audio AMP 10W 10W 3D Depth Control IC DDR Memory 7 3 Main PCB Feature for High end models 7 Tuner Picture can be different Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...anel Left To Panel Right 3 FRC PCB Feature for High end models 2 1 From Main Board To Panel Left To Panel Right xxLM8600 T240 1 FRC Processor LG1122 2 T Con IC LG5822 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 64: ...in Board To Panel Slave Left To Panel Slave Right 3 FRC PCB Feature for High end models 2 To Panel Master Left To Panel Master Right To Panel LED Driver Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...MP OPTIC SPK SPDIF I2S 16 DDR 16 DDR 256MB 4 1600 128MB 1 1600 8 eMMC 4GB 1 Built in WiFi 3D Depth LG1132 FRC III LG1122 mini_LVDS mini_LVDS T con LG5812 HS_LVDS 2Link HS_LVDS 2Link V by One 8 Line CHB_DATA FE_TS_DATA 0 7 FE_TS_SYNC FE_TS_ERR FE_TS_CLK FE_TS_VAL Parallel TS USB DIF DA ONLY SA ONLY 4 Block Diagram for High end models Main BE Copyright 2012 LG Electronics Inc All rights reserved Onl...

Page 66: ...8P L Dimming LED Driver 240Hz LCM eMMC 4Gb eMMC 4Gb 50Pin EPI L9D LG1152 DDR3 800MHz DDR3 800MHz FRC III LG1122 FRC III LG1122 3D Chip LG1132 3D Chip LG1132 T Con LG5822 T Con LG5822 2 link HS LVDS 51P Cable 2 link HS LVDS 4 lanes LVDS EPI DDR3 800MHz DDR3 800MHz 50Pin EPI Main Board T Con Board EPI 8P L Dimming LPB LED Driver 120Hz LCM eMMC 4Gb eMMC 4Gb 4 Block Diagram for High end models Back en...

Page 67: ...0P mini LVDS Output LEFT OPT_NN OPT_P SOE POL H_CONV GSC GOE OPT_N SOE POL H_CONV GSC GOE HF mini LVDS 2 Link HF mini LVDS 2 Link S TCON_SDA TCON_SCL M 80P mini LVDS Output RIGHT LGE 240Hz T Con LG5812 0x70 OPT_N OPT_P GSP GSC GOE VDD VCC HVDD VGL VGH VCOMR GMA 18 1 VCOMRFB VDD VCC HVDD VGL VGH VCOM GMA 18 1 VCOMLFB TCON_SDA TCON_SCL EEPROM AT24C32D 32Kbit EEPROM AT24C32D 32Kbit I2C_SDA_S I2C_SCL_...

Page 68: ...B_R DSUB_G DSUB_B PC AUDIO PC_L_IN PC_R_IN AIN2_R_AADC CVBS 1 Phone JACK _Yellow Component 1 Phone JACK _Green LAN EPHY_TDP TDN RDP RDN Air Analog 2 69ch Digital 2 69ch Cable Analog 1 125ch Main SoC USB DM3 DP3 USB3 APPS USB2 USB HUB USB_DM2 DP2 USB1 DVR Ready USB_DM1 DP1 HDMI1 ARC HDMI2 HDMI3 HDMI4 PC HDMI1 D0 D1 D2 CLK SCL SDA HPD HDMI2 D0 D1 D2 CLK SCL SDA HPD HDMI3 D0 D1 D2 CLK SCL SDA HPD HDM...

Page 69: ...SSY 4 RF MOTION ASSY 5 IR Key PCB 6 FRC ASSY PCBs xxLM9600 TA PSU 7 1 2 5 6 7 3 4 6 Interconnection for High end models Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...SSY 4 RF MOTION ASSY 5 IR Key PCB 6 FRC ASSY PCBs xxLM8600 TA 1 2 5 6 3 4 6 Interconnection for High end models Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ... ASSY 4 RF MOTION ASSY 5 Local Key PCB 1 IR Key PCB Speaker cover Assy IR PCB WIFI ASSY 6 Interconnection for High end models Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 72: ...ss y Picture LED Sensor IR Ass y Picture LED Sensor IR Ass y Tact Key Ass y 7 New Sub Assy Tact key Above LM6400 Series Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ...receiver sends the pairing success packet to TV directly F W version and BD_ADDR packets are just saved on the receiver The receiver sends F W version or BD_ADDR packet to TV when it is required Motion Data Transmission Period 7 5msec Motion Data gyro accelerometer Voice Data Transmission not supported Period 10msec Voice sampling 16khz 16bit Æ See 6 2 Packets on page 8 LM6600 LM7600 Built in 7 Ne...

Page 74: ...k LED for some time and TV send pairing success packet back to TV When remote try to unpairing it doesn t care about state of receiver stand alone RF Unpairing Press HOME button and BACK button at the same time for 5 sec When remote try to unpairing it doesn t care about state of receiver stand alone After unpairing all pairing information should be erased After unpairing LED should be blinked for...

Page 75: ...ng device tilt Pitch Roll angle RF Micom RF Antenna SDBTPTR3015 Partron Wireless communication X tal 24MHz Partron RF Micom BCM20733 Broadcom DC DC Converter TPS61097 TI Battery Boost up Regulator LDO1 uPI7716 uPI RF Gyro Accelerometer Power Supply LDO2 uPI7716 uPI Audio Codec Mic Power Supply Function list 7 New Sub Assy Magic Motion Remote Control Copyright 2012 LG Electronics Inc All rights res...

Page 76: ...TFLX 2011년 12월 22일 Contents Widevine HDCP 2 0 NETFLIX DTCP Changed BOM TV 사업부 TV 연구소 8 Adjust way of new features Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ... Streaming and DRM In BBTV when special CP do service this module is required key Currently CP which is requested to widevine is typically Australian Bigpond Live and North American CinemaNow Furthermore because the future will be the spread of CP widevine key download for the global model should be applied to production Because operation unique key should be downloaded for Widevine Widevine key d...

Page 78: ...d by Intel Corporation to protect digital entertainment across the DVI HDMI interface Why HDCP2 0 9 HDCP revision 2 0 supports a broader range of wired and wireless interfaces 8 Adjust way of new features HDCP2 0 Netflix HDCP2 0 NetFlix 9 the services maintain a huge selection of movies and latest releases and offer DVD rentals via mail online streaming Copyright 2012 LG Electronics Inc All rights...

Page 79: ... content being exchanged DTCP The Digital Transmission Content Protection Specification defines a cryptogrphic protocol for protecting audio video entertainment content from unauthorized copying intercepting and tampering as it traverses digital transmission mechanisms such as a high performance serial bus that conforms to the IEEE 1394 1995 standard Only legitimate entertainment content delivered...

Page 80: ...when on off while viewing power auto on off 8 8 C Audio error No audio Normal video 9 9 Wrecked audio discontinuation noise 10 10 D Function error No response in remote controller key error recording error memory error 11 11 External device recognition error 12 12 E Noise Circuit noise mechanical noise 13 13 F Exterior error Exterior defect 14 First of all Check whether there is SVC Bulletin in GC...

Page 81: ...heck Link Cable LVDS reconnection condition A10 A11 A10 32 37 42 47 55 A11 32 AUO 12 Adjustment Test pattern ADJ Key A12 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A10 A11 A10 32 37 42 47 55 A11 32 AUO 15 Adjustment Test pattern ADJ Key A12 16 Appendix Defected Type caused by T Con Inverter Module ...

Page 82: ...ys 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 Revised date 1 13 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A28 A7 A3 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable 2010 1...

Page 83: ...replace MAIN B D Y Replace Power Board and repair parts N End A Video error No video No audio A4 Established date Revised date 2 13 LCD TV Error symptom 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 84: ...Main B D Check Tuner soldering Normal Picture Y N Y Close Normal Picture Y Close Menu Setup Booster By using Digital signal level meter By using Diagnostics menu on OSD Menu Set up Support Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N N Normal Picture Y Close N A7 Established date Revised date...

Page 85: ...ice and cable Y External device Cable normal RGB HDMI DVI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error A8 N Y End Replace module Request repair for external device cable Color error Check Test pattern A12 A10 A11 Established date Revised date 4 13 LCD TV Error symptom 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All r...

Page 86: ...eration of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main B D Screen normal N Y Check S W Version Y N Check version S W Upgrade Y N Normal screen End Screen normal N Y Check external device connection condition Y N Check and replace Link Cable Normal Y N Screen normal Replace Main B D adjust VCOM Replace module Check color condition by in...

Page 87: ... each output of Power B D N Y Normal voltage Replace Main B D N 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 A17 A18 A19 A4 Established date Revised date 6 13 LCD TV Error symptom Stand By Red Operating white Close 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purp...

Page 88: ...except CPU trouble POWEROFF_CPUABNORMAL Power off by CPU Abnormal B Power error Off when on off while viewing power auto on off Caution Check and fix exterior of Power B D Part Established date Revised date 7 13 LCD TV Error symptom Please refer to the all cases which can be displayed on power off mode Error N Y Check Power Off Mode Fix A C cord Outlet and check each 3 phase out Check A C cord Che...

Page 89: ...repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A24 A25 Disconnection Established date Revised date 8 13 LCD TV Error symptom 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...ct 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 Establish...

Page 91: ... Baterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A27 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 A4 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A27 Replace Main B D Y A27 Established date Revised date 10 13 LCD TV Error symptom 2010 12 14 Standard Rep...

Page 92: ... device cable RGB 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 11 13 LCD TV Error symptom 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 93: ...s shown in the solution manual For models without any fix information provide the description 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 12 13 LCD TV Err...

Page 94: ...oller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Adjust VCOM Established date Revised date 13 13 LCD TV Error symptom A28 2010 12 14 Standard Repair Process Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 95: ...WER BOARD PIN voltage checking method A19 28 C Audio error_No audio Normal video Checking method in menu when there is no audio A24 29 Voltage and speaker checking method when there is no audio A25 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 31 D Function error_ No response in remote controller key error Remote controller operation ...

Page 96: ... White Balance value A Video error_No video Normal audio ALL MODELS A4 Established date Revised date Error symptom Content LCD TV Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 7 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 2010 12 14 Copyright 2012 LG Elec...

Page 97: ...N C 21 12V 22 PWM Dim 1 23 GND P_DIM2 Lamp SCANNING Model PWM Dim 2 24 Error out Power Board voltage measuring method A Video error_No video Audio A5 Established date Revised date Error symptom Content LCD TV Check the DC 24V 12V 3 5V Edge LED 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE ...

Page 98: ... input signal strength checking method A Video error_Video error video lag stop ALL MODELS A6 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 99: ...stment Press the IN START with the remote controller for adjustment Version ALL MODELS A7 Established date Revised date Content LCD TV 2010 12 14 Error symptom Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 100: ...cting to the external input check the screen condition by signal A8 Established date Revised date Error symptom Content LCD TV ALL MODELS 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ...om power supply finally replace the MAIN BOARD TUNER checking part A Video error_Video error video lag stop ALL MODELS A9 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ...el 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A12 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ...ntent LCD TV ST BY condition Red Power ON condition white Front LED control Menu Æ Option Æ Power Indicator Æ Standby light ON 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 104: ... Edge LED 24 Pin Power Board Main Board 공통 SMAW200 H24S YEONHO 1 Power on 2 24V 3 24V 4 24V 5 GND 6 GND 7 GND 8 GND 9 3 5V 10 3 5V 11 3 5V 12 3 5V 13 GND 14 GND 15 GND 16 GND 17 12V 18 Inverter On off 19 12V 20 Lamp A Dim LED N C 21 12V 22 PWM Dim 1 23 GND P_DIM2 Lamp SCANNING Model PWM Dim 2 24 Error out Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights ...

Page 105: ... C 21 12V 22 PWM Dim 1 23 GND P_DIM2 Lamp SCANNING Model PWM Dim 2 24 Error out Checking method when power is ON B Power error _No power A19 Established date Revised date Error symptom Content LCD TV Check power on pin is high 2010 12 14 Edge LED Edge LED Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE...

Page 106: ...OWER OFF MODE checking method B Power error _Off when on off whiling viewing ALL MODELS A22 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 107: ...to On Checking method in menu when there is no audio C Audio error_No audio Normal video ALL MODELS A24 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 108: ...4V 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 the speaker is normal Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video ALL MODELS A25 Established date Revised date Error sym...

Page 109: ... is normal when the Analog Tester needle moves slowly and defective when it does not move at all Remote controller operation checking method D Function error_ No response in remote controller key error ALL MODELS A27 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All rights reserved Only for tr...

Page 110: ...ch is no or minimized the Flicker If there is no flicker at default value Press the exit key and finish the VCOM adjustment Push the OK key to store the value Then the message Saving OK is pop Press the exit key to finish V COM adjustment A28 Established date Revised date Error symptom Content LCD TV 2010 12 14 Standard Repair Process Detail Technical Manual Copyright 2012 LG Electronics Inc All r...

Page 111: ...n 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 T Con Board 1 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 112: ...Abnormal Power Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 113: ...pendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 114: ...Press damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage Un repairable Cases In this case please exchange the module Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...lock 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 Un repairable Cases In this case please exchange the module Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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