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LG 72LM950V/W, Service Manual

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LG 72LM950V/W Service Manual Download Page 96

Established 

date 

Standard Repair Process Detail Technical Manual

Revised 

date 

A1

Error 

symptom

Content

Check LCD 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 2 locations.

<XXLM9600>

LCD  TV

A1

2011. 12 .14

Copyright © 2012 LG Electronics. Inc. All rights reserved. 

Only for training and service purposes

LGE Internal Use Only

Summary of Contents for 72LM950V/W

Page 1: ... 72LM950V W 72LM950V W ZA 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 6 ADJUSTMENT INSTRUCTION 14 EXPLODED VIEW 23 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: ... Wireless HD Specification Option 4 Model General Specification No Item Specification Remarks 1 Market EU PAL Market 36Countries DTV Analog Total 37 countries DTV MPEG2 4 DVB T T2 S Albania Austria Belarus Belgium Bosnia Bulgaria Croatia Czech Estonia France Germany Greece Hungary Ireland Italy Kazakhstan Latvia Lithuania Luxembourg Morocco Netherlands Poland Portugal Romania Russia Serbia Slov en...

Page 7: ...6 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 16 QAM 1 2 2 5 2 3 3 4 5 6 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 4 Input Voltage AC...

Page 8: ...DTV 720p 8 1280 720 44 96 59 94 HDTV 720p 9 1280 720 45 00 60 00 HDTV 720p 10 1920 1080 31 25 50 00 HDTV 1080i 11 1920 1080 33 75 60 00 HDTV 1080i 12 1920 1080 33 72 59 94 HDTV 1080i 13 1920 1080 56 250 50 HDTV 1080p 14 1920 1080 67 5 60 HDTV 1080p No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed PC DDC 1 640 350 31 468 70 09 25 17 EGA Х 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 4...

Page 9: ...ESA WXGA O 9 1920 1080 67 5 60 00 148 5 WUXGA CEA861D O HDMI DTV 1 640 480 31 469 31 5 59 94 60 25 125 1 SDTV 480P 2 720 480 31 469 31 5 59 94 60 27 00 27 03 2 3 SDTV 480P 3 720 576 31 25 50 27 17 18 SDTV 576P 4 720 576 15 625 50 27 21 SDTV 576I 5 1280 720 37 500 50 74 25 19 HDTV 720P 6 1280 720 44 96 45 59 94 60 74 17 74 25 4 HDTV 720P 7 1920 1080 33 72 33 75 59 94 60 74 17 74 25 5 HDTV 1080I 8 1...

Page 10: ...080 33 75 60 00 74 25 HDTV 1080I 2D to 3D Side by Side half Top Bottom 4 1920 1080 28 125 50 00 74 25 HDTV 1080I 2D to 3D Side by Side half Top Bottom 5 1920 1080 27 00 24 00 74 25 HDTV 1080P 2D to 3D Side by Side half Top Bottom 6 1920 1080 28 12 25 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 Ch...

Page 11: ...e half Primary HDTV 720P Primary HDTV 720P 17 89 91 90 59 94 60 148 35 148 5 4 Frame packing Line alternative Primary HDTV 720P HDTV 720P 18 44 96 45 59 94 60 148 35 148 5 4 Side by side Full HDTV 720P 19 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 20 67 432 67 50 59 94 60 148 35 148 5 5 Frame packing Field alternative Prima...

Page 12: ...t 3D 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock 3D input proposed mode Proposed 1 1280 720 37 5 50 74 25 2D to 3D Side by Side Top Bottom HDTV 720P 2 1280 720 45 00 60 00 74 25 2D to 3D Side by Side Top Bottom HDTV 720P 3 1280 720 44 96 59 94 74 176 2D to 3D Side by Side Top Bottom HDTV 720P 4 1920 1080 33 75 60 00 74 25 2D to 3D Side by Side Top Bottom HDTV 1080I 5 ...

Page 13: ...5 30 74 25 Side by Side Half Top Bottom Checkerboard MPO photo HDTV 1080P 8 8 USB Input 3D 3D supported mode automatically No Resolution 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 8 10 DLNA Input 3D 3D supported m...

Page 14: ...tment 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 1 Adjustm...

Page 15: ...e LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program IP Number 12 12 2 2 3 4 2 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 Connect each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable 3 5 Model name Serial number Download 3 5 1 Model name Serial number D L Press Power on key of service remote control Baud rate 115200 b...

Page 16: ...ng method Check the Section 4 2 Check whether the key was downloaded or not at In Start menu Refer to below Check the Download to CI Key value in LGset 3 6 1 Check the method of CI Key value 1 Check the method on Instart menu 2 Check the method of RS232C Command 1 Into the main ass y mode RS232 aa 00 00 2 Check the key download for transmitted command RS232 ci 00 10 3 Result value Normally status ...

Page 17: ...1 1D 00 72 51 0x06 D0 1E 20 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 0x07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ⓔ2 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F 0x00 00 FF FF FF FF FF FF 00 1E 6D ⓐ ⓑ 0x01 ⓒ 01 03 68 10 09 78 0A EE 91 A3 54 4C 99 26 0x02 0F 50 54 A1 08 00 71 40 81 C0 81 00 81 80 95 00 0x03 90 40 A9 C0 B3 00 02 3A 80 18 71 38 2D 40 58 2C 0x04 4...

Page 18: ...03 02 12 20 21 10 22 15 01 26 15 07 50 09 57 07 78 03 0C 00 30 00 20 B8 2D 20 C0 0E 01 4F 3F FC 08 10 18 10 06 10 16 30 10 28 10 E3 05 03 01 02 3A 80 18 71 38 2D 40 58 40 2C 45 00 A0 5A 00 00 00 1E 01 1D 80 18 71 1C 16 50 20 58 2C 25 00 A0 5A 00 00 00 9E 01 1D 00 72 51 60 D0 1E 20 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F1 0 1 2 3 4 5 6 7 8 9 A B C D ...

Page 19: ...ighting 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 10 cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status during 5 Minutes In case of LCD Back light on should be checked using no signal or Full white pattern...

Page 20: ...ck light of IOP module moving Step 3 Confirm the Local Dimming mode Step 4 Press exit key 4 5 Magic Motion Remote control test 1 Equipment RF Remote control for test IR KEY Code Remote control for test 2 You must confirm the battery power of RF Remote control before test recommend that change the battery per every lot 3 Sequence test 1 if you select the Start Mute key on the Adjustment remote cont...

Page 21: ...nu Test result 1 After press LNB On key 18 V LED and 22 KHz tone LED should be ON 2 After press LNB OFF key 18 V LED and 22 KHz tone LED should be OFF 4 9 Inspection of light scattering Test Method 1 Push Power only key 2 Push HDMI hot key 3 Inspect whether light scattering is occurred in internal black pattern or not 4 Push Power only key 4 10 Option selection per country 4 10 1 Overview Option s...

Page 22: ...ND LIVE NEUTRAL LEAKAGE CURRENT At 0 5 mArms 8 Audio Measurement condition 1 RF input Mono 1 KHz sine wave signal 100 Modulation 2 CVBS Component 1 KHz sine wave signal 0 5 Vrms 3 RGB PC 1 KHz sine wave signal 0 7 Vrms 9 USB S W Download Service only 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it di...

Page 23: ...3 Dual Play Clip Type 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 ori...

Page 24: ...1 A0 5 SDA 6 SCL 7 WP 8 VCC USB_OCD2 R101 22 HP_AMP_MUTE R117 22 OPT DiiVA_POD_CTL DiiVA_POD_CTL IC100 LG1152D B1 XIN_MAIN A22 XO_MAIN B22 OPM1 AB16 OPM0 AB17 PORES_N AE3 TRST_N0 V23 TMS0 U25 TCK0 V25 TDI0 V24 TDO0 U24 TRST_N1 Y22 TMS1 AA22 TCK1 AB20 TDI1 AB21 TDO1 W22 PLLSET1 AB9 PLLSET0 AB8 BOOT_MODE1 AB15 BOOT_MODE0 AB14 EXT_INTR3 GPIO48 Y23 EXT_INTR2 GPIO63 W25 EXT_INTR1 GPIO62 W24 EXT_INTR0 G...

Page 25: ..._18 P9 VDDC09_19 P10 VDDC09_20 P11 VDDC09_21 R8 VDDC09_22 R9 VDDC09_23 R10 VDDC09_24 R11 VDD09_LTX_1 Y7 VDD09_LTX_2 Y8 VDD09_LTX_3 AF1 AVDD09_DR3PLL F28 VDDC_MAIN_XTAL H22 SP_VQPS AA19 GND_MAIN_XTAL G23 GND_1 G7 GND_2 H7 GND_3 H12 GND_4 H15 GND_5 J7 GND_6 J8 GND_7 J9 GND_8 J10 GND_9 J11 GND_10 J12 GND_11 J13 GND_12 J14 GND_13 J15 GND_14 J16 GND_15 J17 GND_16 J18 GND_17 J19 GND_18 J20 GND_19 K7 GND...

Page 26: ...H1_IN T7 AUAD_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 L...

Page 27: ...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 28: ...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 29: ...330 1K 3 5V_ST C2372 0 1uF 16V R2302 100 LPB 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 ...

Page 30: ...0 SCLA0 2 P61 SDAA0 3 P62 4 P63 5 P31 TI03 TO03 INTP4 6 P75 KR5 INTP9 SCK01 SCL01 7 P74 KR4 INTP8 SI01 SDA01 8 P73 KR3 SO01 9 P72 KR2 SO21 10 P71 KR1 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 SI0...

Page 31: ...3200 10uF 10V 3 3V_NORMAL L3200 BLM18PG121SN1D C3206 0 1uF 16V C3207 0 1uF 16V R3245 10K 1 16W 5 R3206 220K 1 16W 5 R3211 33 R3215 33 OPT R3214 33 C3223 0 047uF 25V R3228 47K R3225 47K R3217 47K R3219 47K R3218 47K R3220 47K R3229 47K R3226 47K R3241 5 1K 5 1 16W R3239 5 1K 5 1 16W R3233 5 1K 5 1 16W R3234 5 1K 5 1 16W L3201 BLM18PG121SN1D C3217 0 1uF 16V C3216 10uF 10V L3202 L3203 C3224 0 1uF 16V...

Page 32: ... 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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 38: ...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 39: ...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 40: ... P7 8 P8 12 SHIELD 9 P9 11 P11 10 P10 GND D1 YL_C D2 YL_A D3 GN_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 D...

Page 41: ...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 42: ... 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 43: ...uF 10V 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 24V_AMP_WOOFER 0 1uF C5529 50V 24V R5519 5 ...

Page 44: ...OPT R6008 33K EU 3 5V_ST C6004 0 1uF 50V EU R6000 2 2K EU 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 R6013 51...

Page 45: ...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 46: ...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 47: ...1 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_D0...

Page 48: ...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 49: ...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 50: ...D PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC I2C_SCL1 L DIM0_SCLK R7601 10K 3 3V_NORMAL L DIM0_MOSI R7607 4 7K R7606 33 P7600 12507WR 08L 1 2 3 4 5 6 7 8 9 I2C_SDA1 L DIM0_VS R7600 10K OPT AR7600 33 1 16W LOCAL DIMMING To LED DRIVER 76 LOCAL DIMMING 2011 11 21 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Interna...

Page 51: ...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 52: ...R THE CRITICAL 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 R8900 100 LOGO_LIGHT R8903 1K LOGO_LIGHT 3 5V_ST R8901 10K LOGO_LIGHT R8902 10K OPT C8900 0 1uF 16V LOGO_LIGHT Place Near Micom Copyright 2012 LG Electronics Inc All rights reserved Only for training and service pu...

Page 53: ...TXD D2 SPI_SCLK C2 SPI_CS C1 SPI_DI B1 SPI_DO B2 SDA_M E2 SCL_M E1 SDA_S D1 SCL_S E3 SMODE F2 TMODE0 F1 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 TXB3...

Page 54: ... 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 55: ...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 56: ...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 57: ...AL 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 DEV_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...

Page 58: ..._44 F18 VSS_45 F19 VSS_46 F21 VSS_47 F23 VSS_48 G5 VSS_49 G21 VSS_50 G23 VSS_51 H5 VSS_52 H8 VSS_53 H9 VSS_54 H10 VSS_55 H11 VSS_56 H12 VSS_57 H13 VSS_58 H14 VSS_59 H15 VSS_60 H16 VSS_61 H17 VSS_62 H18 VSS_63 H19 VSS_64 H21 VSS_65 H22 VSS_66 H23 VSS_67 J5 VSS_68 J8 VSS_69 J19 VSS_70 J21 VSS_71 J22 VSS_72 K4 VSS_73 K5 VSS_74 K8 VSS_75 K10 VSS_76 K11 VSS_77 K12 VSS_78 K13 VSS_79 K14 VSS_80 K15 VSS_8...

Page 59: ... DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_...

Page 60: ... C301 1uF 25V VLCD_POWER 12V L302 MLB 201209 0120P N2 L306 MLB 201209 0120P N2 L307 MLB 201209 0120P N2 L303 MLB 201209 0120P N2 C303 3300pF 50V C335 100pF 50V IC302 AOZ1038PI 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 NC_1 8 NC_2 9 EP LX 10K R310 3 3V C332 22uF 10V C329 22uF 10V 0 9V R312 3 3K C320 4700pF 50V C336 3300pF 50V OPT C334 100pF 50V OPT 0 9V 0 1uF 16V C322 C304 0 01uF 50V R316 0 R308 68K 1...

Page 61: ...N V10 RLV1P T10 RLV1N T11 RLV2P V11 RLV2N U11 RLVCLKP U12 RLVCLKN V12 RLV3P T12 RLV3N T13 RLV4P V13 RLV4N U13 RLV5P U14 RLV5N V14 RRV0P T14 RRV0N T15 RRV1P V15 RRV1N U15 RRV2P U16 RRV2N V16 RRVCLKP T16 RRVCLKN T17 RRV3P V17 RRV3N U17 RRV4P U18 RRV4N T18 RRV5P R17 RRV5N R18 IC401 LGE5812B VDD33_1 D3 VDD33_2 D16 VDD33_3 E3 VDD33_4 E16 VDD33_5 F3 VDD33_6 F16 VDD33_7 G3 VDD33_8 G16 VDD33_9 H3 VDD33_10...

Page 62: ...KSEL 10 GM1 11 GM2 12 GM3 13 GM4 14 GM5 15 GM6 16 NC_1 17 HVDD 18 GM7 19 GM8 20 SCL 5 VCOM_OUT 8 AVDD_1 6 VCOM_FB 4 VCOM_GND 2 A0 21 EP GND C550 1uF 25V R517 680 R505 33 GPM_ON C513 1000pF C555 4 7uF 50V GMA4 C556 4 7uF 50V C542 1uF 10V R550 33 C554 1uF 10V VGH_S 27V C508 0 47uF 50V Q501 2SC3052 E B C C535 10uF 25V R510 10 1 10W GMA18 HVDD 8 4V GMA15 I2C_SDA_S C510 10uF 25V PANEL_VCC 12V VCC_LCM 3...

Page 63: ...A16 LLV4P GSP RRV6P GMA17 C617 10uF 25V H_CONV VDD_LCM 16V RRV1P GMA3 C603 10uF 25V GOE RRVCLKP RLV2N RLVCLKN RLV0N Z_OUT RLV5P GMA14 LLV2P LRV5P VDD_LCM 16V POL SOE RLV6N C616 0 1uF 50V Z_OUT RLV5N RRVCLKN GMA1 RRV0P C610 0 01uF 50V GMA12 GMA17 C604 10uF 25V GMA2 VCOMOUT RRV5P HVDD 8V GMA7 RXB0P RXB3N I2C_SCL_S RXACLKN RXA1P RXBCLKP LG1122_RST RXBCLKN RXB4P RXA2P RXA4N RXB0N RXA0N I2C_SDA_S RXACL...

Page 64: ...EM 1 2 4 3 TP105 SW100 JTP 1127WEM 1 2 4 3 P100 12507WR 04L 1 KEY1 2 GND 3 KEY2 4 GND 5 TP102 ZD101 5 6B OPT SW105 JTP 1127WEM 1 2 4 3 TP103 SW106 JTP 1127WEM 1 2 4 3 SW101 JTP 1127WEM 1 2 4 3 TP109 TP101 ZD100 5 6B OPT SW102 JTP 1127WEM 1 2 4 3 TP106 TP108 R100 10K R102 4 7K R103 4 7K R101 10K R106 270 R107 270 R104 1 8K R105 1 8K CH MENU 1 03V 1 13V VOL ENTER 0 51V 1 73V KEY1 VOL Revision Histor...

Page 65: ......

Page 66: ... Guide 12 years New Models Applicable Model XXLM960V ZB XXLM860V ZB V T2 C S2 T T2 C S T C S2 0 T C Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 67: ...g Upper Metal Cover LED Array LED Array is on the side of Module Local dimming depicts more deep black Feature 2 types of LED Edge Model XXLW750T W S G 42inch H 2 V 8 16Block 42inch H 2 V 8 16Block 42inch H 2 V 8 16Block Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...Array is on the back of Module Local dimming depicts more deep black Feature 2 types of LED ALEF Model XXLM960V 47inch H 6 V 4 24Block 55inch H 6 V 4 24Block Reflecting coating w patterns Guiding Layer Light Blocking Pattern Prism sheets DBEF PCB Diffuser plate Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 69: ...4 Micom for Key IR sensing HDMI switch 4 1 Audio AMP 10W 10W XXLM960V ZB XXLM860V ZB wifi Local Key IR Motion assy Front Spk Woofer Spk Local Dim 2 4 Main processor_analog LG1152A 5 3D Depth Control IC DDR Memory 6 5 6 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...ON all in one 1 FRC Processor LG1122 2 XXLM960V ZB T Con IC LG5812 1 2 From Main Board To Pannel Left To Pannel Right Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ...SCART Component 2 Ch PC RGB WUXGA I2S CVBS CHB TS In CHB MICOM IR Keypad HDMI SW RMII PHY SPIDF_OUT Built in WiFi CI Slot EB_DATA Ethernet TXA B 51Pin LVDS Motion R M Remote_R TX AUD BB_TP_DATA CHB_DATA DAC_DATA AAD_DATA HSR_P M DTV TS Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 72: ...DSUB_R G B 3bit DSUB_DET RGB_DDC_SCL SDA 2bit Tuner EEPROM IC802 R1EX24002ASAS0A MICOM EDID_WP HP_L ROUT PC_L R_IN SPDIF_OUT COMP_Y Pb Pr COMP_DET AV_CVBS_IN AV_L R_IN AV_CVBS_DET SPDIF PC_Audio Earphone Block RGB SCART Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ... MC IPC Scaler PE OSD VCR LVDS H 264 Encoder SD upto 480p 12 PHY 3 port USB2 0 Host x3 DDR3 PHY DDR3 x16 3 Ethernet MAC eMMC Controller CPU Dual C A9 1GHz Graphic Engine 2D VG 3D Open ES2 0 Audio 10 data 1 en 5 gc 4 val err clk sop 8 data I2C I2C 6 gbb l9da I2C Headphone Digital Audio Output LVDS LVDS Video LVDS Video OSD LVDS Audio PLL w DCO I2S mono 3 lrck lrch sck I2C SW SW 3D or UD Data bridge...

Page 74: ... 27Mhz 2 port USB PHY 1 port USB PHY 30 48Mhz 30 48 Mhz i_core800_clk i_core320_clk i_m01_ddrclk i_m2_ddrclk u_crg Clock Divide Reset generation w test logic Clock Divide Reset generation w test logic Clock Divide Reset generation w test logic Clock Divide Reset generation w test logic Clock Divide Reset generation w test logic USB controller About 220 internally generated clocks SSC setting 0xFD3...

Page 75: ...Dual Link LVDS For Video FHD 60Hz Dual Link LVDS For OSD V by One IC401 LG5812B IC100 LG1122A DDR0_DATA 0 15 IC200 DDR0 TXP 0 7 DDR0_A 0 12 DDR1_DATA 0 15 DDR1_A 0 12 IC201 DDR1 RXAP 0 4 RXAN 0 4 RXBP 0 4 RXBN 0 4 51Pin LVDS TXN 0 7 80Pin mini LVDS LLV0 6P N LRV0 6P N RRV0 6P N RRV0 6P N Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use O...

Page 76: ...in PCB 2 LED driver 3 WIFI ASSY 4 RF MOTION ASSY 5 IR Key PCB 6 FRC ASSY PCBs XXLM960V ZB PSU 7 1 2 5 6 7 3 4 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ... RF MOTION ASSY To Main SPK unit 3 WIFI ASSY 4 RF MOTION ASSY 5 Local Key PCB 1 IR Key PCB Speaker cover Assy IR PCB WIFI ASSY Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 78: ...hile viewing power 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 M4 operating checking 11 11 12 Wifi operating checking 12 13 External device recognition error 13 14 E Noise Circuit noise mechanical noise 14 15 F Exterior error Exterior defect 15 First of all Check whether there is SVC Bulle...

Page 79: ...lways 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 15 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 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 Ca...

Page 80: ...eplace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A4 Established date Revised date 2 15 LCD TV Error symptom 2 2012 01 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 81: ...ck Tuner soldering Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Setting Set up 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 A7 Standard Repair Process Established date Revised date 3 15 LCD ...

Page 82: ...vice 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 A9 N Y End Replace module Request repair for external device cable Color error Check Test pattern A12 A10 Standard Repair Process Established date Revised date 4 15 LCD TV Error symptom 4 2012 01 16 Copyright 2012 LG Electronics Inc All ri...

Page 83: ...ing Jig pattern Generator Set top Box etc N Y Replace Main B D Screen normal Check screen condition by input External Input Component RGB HDMI DVI Request repair for external device Component error RGB 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 B D Screen...

Page 84: ...put 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 Standard Repair Process Established date Revised date 6 15 LCD TV Error symptom 6 Stand By Red or Turn Off Operating Turn Off Close 2012 01 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and serv...

Page 85: ...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 POWEROF...

Page 86: ...epair 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 15 LCD TV Error symptom Standard Repair Process 8 2012 01 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 87: ...t 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 Establishe...

Page 88: ... 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 Standard Repair Process Established date Revised date 10 15 LCD TV Error symptom 10 2012...

Page 89: ... 11 15 LCD TV Error symptom 11 2012 01 16 Replace M4 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 MENUÆ15 RF Remocon TestÆ3 Firmware download Y RF Receiver ver is 00 00 N Close A28 A7 A7 Copyright 2012 LG...

Page 90: ...heck the Wifi wafer P4301 _1pin Standard Repair Process Established date Revised date 12 15 LCD TV Error symptom 12 2012 01 16 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A29 A7 A7 A29 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 91: ...evice 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 13 15 LCD TV Error symptom Standard Repair Process 13 2012 01 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 92: ...s shown in 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 14 15 LCD TV ...

Page 93: ...e controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 15 15 LCD TV Error symptom Standard Repair Process 15 2012 01 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 94: ...D TV Version checking method A7 7 Tuner Checking Part A8 8 A Video error _Vertical Horizontal bar residual image light spot LCD TV connection diagram A9 9 A Video error_ Color error Check Link Cable LVDS reconnection condition A10 10 Adjustment Test pattern ADJ Key A12 11 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Board 1 A 1 5 12 Exchange T Con Board 2 A 2 5 13 Exchange...

Page 95: ...g POWER OFF MODE checking method A22 20 C Audio error_ No audio Normal video Checking method in menu when there is no audio A24 22 Voltage and speaker checking method when there is no audio A25 22 D Function error Remote controller operation checking method A27 23 Motion Remote operation checking method A28 24 Wifi operation checking method A29 Continued from previous page Copyright 2012 LG Electr...

Page 96: ...ght 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 2 locations XXLM9600 LCD TV A1 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 97: ...lished date Revised date Error symptom Content LCD TV A2 Check the DC 24V and Inverter on ALEF LED 2011 12 14 14 Pin Power Board Driver PSU 1 5 24V 6 10 GND 11 Detect 12 Inverter On Off 13 Int PWM 14 Ext PWM PDIM Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 98: ...hite Balance value A Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content LCD TV A3 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 2011 12 14 Copyright 2012 LG El...

Page 99: ...n Power Board Main Board 공통 SMAW200 H24S YEONHO 1 Power on 2 20V 24V 3 20V 24V 4 20V 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 N C Only LPB V sync 17 12V 18 Inverter On off 19 12V 20 N C LPB Lamp A dim 21 12V 22 PWM Dim 1 23 N C only Lamp SCANNING Model PWM Dim 2 24 Error out Copyright 2012 LG Electronics Inc All rights reserved Only for training and servic...

Page 100: ...Repair Process Detail Technical Manual TUNER 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 A6 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ...Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version ALL MODELS A7 Established date Revised date Error symptom Content LCD TV A7 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ...m power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A8 Established date Revised date Error symptom Content LCD TV A8 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ...bar residual image light spot As the part connecting to the external input check the screen condition by signal A9 Established date Revised date Error symptom Content LCD TV A9 ALL MODELS 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 104: ... error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A10 Established date Revised date Error symptom Content LCD TV A10 ALL MODELS 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 105: ...sing 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 A12 Established date Revised date Error symptom Content LCD TV A12 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 106: ...older 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 A 1 5 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 107: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 A 2 5 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 108: ... Exchange LED driver Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 109: ...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 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 110: ...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 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 111: ...ished date Revised date Error symptom Content LCD TV A17 ST BY condition Red or Turn Off Power ON condition Turn Off Front LED control Menu Æ Option Æ Standby Light Æ ON Off 2011 12 14 XXLM9600 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 112: ...wer Board Main Board 공통 SMAW200 H24S YEONHO 1 Power on 2 20V 24V 3 20V 24V 4 20V 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 N C Only LPB V sync 17 12V 18 Inverter On off 19 12V 20 N C LPB Lamp A dim 21 12V 22 PWM Dim 1 23 N C only Lamp SCANNING Model PWM Dim 2 24 Error out XXLM9600 Copyright 2012 LG Electronics Inc All rights reserved Only for training and s...

Page 113: ...Board Main Board 공통 SMAW200 H24S YEONHO 1 Power on 2 20V 24V 3 20V 24V 4 20V 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 N C Only LPB V sync 17 12V 18 Inverter On off 19 12V 20 N C LPB Lamp A dim 21 12V 22 PWM Dim 1 23 N C only Lamp SCANNING Model PWM Dim 2 24 Error out XXLM9600 Copyright 2012 LG Electronics Inc All rights reserved Only for training and servi...

Page 114: ...ndard Repair Process Detail Technical Manual POWER 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 A22 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...ker from Off to On Standard Repair Process Detail Technical Manual 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 A24 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 116: ...Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video A25 Established date Revised date Error symptom Content LCD TV A25 2011 12 14 ALEF LED 24 Pin Power Board Main Board 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 V sync 17 12V 18 Inverter On off 19 12V 2...

Page 117: ...d defective when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error XXLM9600 A27 Established date Revised date Error symptom Content LCD TV A27 P4102 1 SCL 2 SDA 3 GND 4 KEY1 5 KEY2 6 St 3 5V 7 GND 8 GP4_LED_R 9 IR 10 GND 2011 12 14 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service p...

Page 118: ...s Detail Technical Manual Motion Remote operation checking method Established date Revised date Error symptom Content LCD TV A28 P4800 1 3 3V 2 GND 3 RX 4 TX 5 RESET 6 DC 7 DD 8 GND 2011 12 14 XXLM9600 A28 D Function error Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 119: ... Repair Process Detail Technical Manual Wifi operation checking method A29 Established date Revised date Error symptom Content LCD TV A29 P4301 1 VDD 2 DM 3 DP 4 GND 2011 12 14 XXLM9600 D Function error Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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