LG 84LM9600 Service Manual Download Page 18

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LGE Internal Use Only

Only for training and service purposes

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 original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

A21

A24

AG1

300

200

510

120

121

122

560

570

501

840

850

810

710

400

521

820

860

830

540

530

200D

700

910

920

541

Except for Location No. 120, 121, 510, 521, 530, 540

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Summary of Contents for 84LM9600

Page 1: ...EL 55LM9600 55LM9600 UC 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: ...Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 10 EXPLODED VIEW 18 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: ...must be operated for about 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC specification Wireless WirelessHD Specification Option 4 General Specification No Item Specification Remark 1 Market 1 North America 2 Broadcasting System 1 ATSC NTSC 3 Receiving System 1 VSB 64 2...

Page 5: ... HDTV 720P 7 1920 1080 33 75 60 00 74 25 HDTV 1080I 8 1920 1080 33 72 59 94 74 176 HDTV 1080I 9 1920 1080 67 50 60 00 148 50 HDTV 1080P 10 1920 1080 67 432 59 94 148 352 HDTV 1080P 11 1920 1080 27 00 24 00 74 25 HDTV 1080P 12 1920 1080 26 97 23 94 74 176 HDTV 1080P 13 1920 1080 33 75 30 00 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 P...

Page 6: ...81 60 020 108 00 108 00 VESA SXGA O 8 47 712 60 015 85 50 148 5 VESA WXGA O 9 1920 1080 67 5 60 148 5 WUXGA Reduced Blanking O HDMI DTV 1 720 480 31 50 60 00 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 1080I 6 1920 1080 33 72 59 94 74 176 HDTV 1080I 7 1920 1080 67 50 60 00 1...

Page 7: ...rted mode automatically No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 1920 1080 33 75 30 00 74 25 HDTV 1080p Side by Side Half Top Bottom Checkerboard MPO Photo 5 2 4 HDMI PC Input 3D supported mode manually No Resolution H freq kHz V freq Hz Pixel clock MHz Remark 1 1024 768 48 363 60 004 65 000 Side by Side Half Top Bottom 2 1360 768 47 712 60 015 85 500 Side by Side Half ...

Page 8: ... 94 60 00 27 00 27 027 Secondary 16 9 Top Bottom 17 720 480p 31 469 31 50 59 94 60 00 27 00 27 027 Secondary 16 9 Side by Side Half 18 720 480p 62 938 63 00 59 94 60 00 54 00 54 054 Secondary 4 3 Frame Packing 19 720 480p 31 469 31 50 59 94 60 00 27 00 27 027 Secondary 4 3 Top Bottom 20 720 480p 31 469 31 50 59 94 60 00 27 00 27 027 Secondary 4 3 Side by Side Half 21 640 480p 62 938 63 00 59 94 60...

Page 9: ...ttom 5 1920 1080 67 432 59 94 148 352 HDTV 1080P Side by Side Top Bottom 6 1920 1080 27 000 24 000 74 25 HDTV 1080P Side by Side Top Bottom 7 1920 1080 26 97 23 976 74 176 HDTV 1080P Side by Side Top Bottom 8 1920 1080 33 75 30 000 74 25 HDTV 1080P Side by Side Top Bottom 9 1920 1080 33 71 29 97 74 176 HDTV 1080P Side by Side Top Bottom 5 2 8 DLNA Input 3D supported mode automatically No Resolutio...

Page 10: ...t items 3 1 Final assembly adjustment EDID DDC check White Balance adjustment ADC Adjustment check RS 232C functionality check Factory Option setting per destination Ship out mode setting In Stop 3 2 Etc Ship out mode Tool option menu USB Download S W Update Option Service only 3 3 Automatic Adjustment 3 3 1 Overview ADC adjustment is needed to find the optimum black level and gain in Analog to Di...

Page 11: ...Baudrate 4 1 3 Download process 1 Select the download items 2 Mode check Online Only 3 Check the test process US Canada models DETECT MAC_WRITE WIDEVINE_WRITE Korea Mexico models DETECT MAC_WRITE WIDEVINE_WRITE 4 Play START 5 Check of result Ready Test OK or NG 6 Printer out MAC Address Label 4 1 4 Communication Port connection 1 Connect PCBA Jig RS 232C Port PC RS 232C Port 4 1 5 Download 1 US Ca...

Page 12: ...gh information sharing without any necessity of user input It is a realization of Plug and Play 4 3 2 Equipment Since embedded EDID data is used EDID download JIG HDMI cable and D sub cable are not need Adjust remocon 4 3 3 Download method 1 Press Adj key on the Adj R C 2 Select EDID D L menu 3 By pressing Enter key EDID download will begin 4 If Download is successful OK is display but If Download...

Page 13: ...E F1 48 90 22 20 05 04 03 02 01 23 09 57 10 07 78 03 0C 00 10 00 B8 4D 20 C0 0E 01 4F 00 FE 20 08 10 06 10 18 10 28 10 38 10 E3 05 03 01 02 3A 30 80 18 71 38 2D 40 58 2C 45 00 A0 5A 00 00 00 1E 40 01 1D 80 18 71 1C 16 20 58 2C 25 00 A0 5A 00 00 50 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55 00 A0 5A 60 00 00 00 1E 26 36 80 A0 70 38 1F 40 30 20 25 00 70 A0 5A 00 00 00 1A 00 00 00 00 00 00 00 00 00 0C HD...

Page 14: ...the display It need to check probe condition of zero calibration before adjustment 3 Connect RS 232C Cable 4 Select mode in ADJ Program and begin a adjustment 5 When WB adjustment is completed with OK message check adjustment status of pre set mode Cool Medium Warm 6 Remove probe and RS 232C cable W B Adj must begin as start command wb 00 00 and finish as end command wb 00 ff and Adj offset if nee...

Page 15: ...or THX models White Balance 4 point automatic control can be done through the below steps Warm axis 1 100 IRE White Balance Adjustment done 2 Control Backlight so the Maximum brightness In case of 100 IRE adjustment backlight target value is 125cd m2 3 4 Point gamma and W B adjustment done With the controlled maximum brightness adjust the Gamma 2 2 60 40 and 20 IRE do not adjust at 80 IRE For 10 I...

Page 16: ...adjustment remote controller Step 3 Cover Eye Q sensor on the front of set with your hands hold it for 6 seconds Step 4 Check the Sensor Data on the screen make certain that Data is below 10 If Data isn t below 10 in 6 seconds Eye Q sensor would be bad You should change Eye Q sensor Step 5 Uncover your hands from Eye Q sensor hold it for 6 seconds Step 6 Check Back Light xxx on the screen check da...

Page 17: ...mpleted The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option 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 production line After downloading TOOL OPTION setting is needed again 1 Push IN START key in service...

Page 18: ...tic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE A2 A21 A5 A24 AG1 300 200 510 120 121 122 560 570 501 840 850 810 710 400 521 820 860 830 540 530 200D L...

Page 19: ... 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 20: ...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_20 K12 GND_21 K13 GND_22 K14 GND_23 K15 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_...

Page 21: ..._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 22: ...R_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 M2...

Page 23: ...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 24: ...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 R236...

Page 25: ...TP4 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 24...

Page 26: ...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 27: ... 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 28: ... 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 right reserved Only for training and service purpo...

Page 29: ...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 30: ... 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 31: ...A 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 R...

Page 32: ...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 33: ...D 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_LG11...

Page 34: ...BOL 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 right reser...

Page 35: ...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 36: ... 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 CO...

Page 37: ... 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 38: ...PT 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 R5...

Page 39: ...PT 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 510...

Page 40: ...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 right reser...

Page 41: ...402 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 42: ...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 43: ... 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 C6...

Page 44: ...M_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 45: ...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 right reserved Only for training and se...

Page 46: ...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 47: ...ICAL 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 right reserved Only for training and ...

Page 48: ...MODE1 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 T...

Page 49: ...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 DD...

Page 50: ...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 51: ...OR 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 52: ...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 53: ......

Page 54: ...LCD TV Repair Guide 12 years New Models Applicable Model XXLM9600 NA Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 56: ...rray is on the back of Module Local dimming depicts more deep black Feature 2 types of LED ALEF Model XXLM9600 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ... 2 3 4 Micom for Key IR sensing HDMI switch 4 1 Audio AMP 10W 10W XXLM9600 NA 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ...ON all in one 1 FRC Processor LG1122 2 XXLM9600 NA T Con IC LG5812 1 2 From Main Board To Pannel Left To Pannel Right Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...1 USB2 USB3 USB HUB PHY RMII LAN Motion R M Remote_R TX Audio AMP OPTIC SPK H P H P Audio L R 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 L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes L...

Page 60: ...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 61: ...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 0xFD30...

Page 62: ... CH6 Main IF_AGC IF N P Main SoC IFAG C ATSC ADC_I_INN P SCL DA6_3 3V L9 B1 TU_RESET TU_SIF TU_CVBS L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...mponent 1 Phone JACK _Green DSUB_R G B RGB_EDID IC3600 M24C02 RMN6T RGB_EDID IC3600 M24C02 RMN6T DSUB_DET DSUB_V H SYNC EDID_WP MICOM EDID_WP MICOM RGB R G B_IN V H SYNC GPIO22 BB_TP CHB DAC AAD _DATA HSR_P M AV1_CVBS_DET COMP1_DE T DSUB_DET SPDIF GPIO4 HP_DET EARPHONE L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use On...

Page 64: ...P_LOUT ROUT HEAD PHONE SIDE_HP_MUTE MAIN WOOFER 4P wafer 3P wafer mon L9 LG1152 SPDIF_OUT_ARC TU_SIF TPA 6132 TPA 6132 HDMI1 HDMI1 NTP7500 0x54 NTP7500 0x54 NTP7500 0x56 NTP7500 0x56 L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...MI_HPD_2 5V_HDMI_2 HDM HDM I3 I3 CEC_REMOTE HDMI_HPD_3 5V_HDMI_3 HDM HDM I4 I4 CEC_REMOTE HDMI_HPD_4 5V_HDMI_4 L9_B1 Main SoC IC100 LG1152D B1 TMDS Link 8bits TMDS Link 8bits TMDS Link 8bits TMDS Link 8bits DDC_I2C 2bits DDC_I2C 2bits DDC_I2C 2bits DDC_I2C 2bits MICOM IC3000 R5F100GEAFB CEC_REMOTE SPDIF_OUT_AR C L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for train...

Page 66: ...2 link HS LVDS 51P Cable 51P Cable 2 link HS LVDS 8 lanes VbyOne Mini LVDS DDR3 800MHz DDR3 800MHz DDR3 800MHz DDR3 800MHz 80Pin Mini LVDS Output Main Board T Con Board Mini LVDS 8P L Dimming LED Driver 240Hz Backend Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 67: ...2 DP2 USB1 DVR Ready USB WIFI WIFI_DM DP USB_DM1 DP1 BT_USB_DP DM USB HUB USB_HUB_IC_IN_DP DM USB_DM2 DP2 M_REMOTE_RESET ISP Motion Remote Receiver M_REMOTE_RESET ISP SOC_RX SOC_RX SOC_TX SOC_RX 4Pin debugging Wafer P3800 L9 Block diagram Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...n PCB 2 LED driver 3 WIFI ASSY 4 RF MOTION ASSY 5 IR Key PCB 6 FRC ASSY PCBs XXLM9600 NA PSU 7 1 2 5 6 7 3 4 Copyright ⓒ 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 69: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...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 71: ...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 72: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ...k 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 T...

Page 74: ...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 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 r...

Page 75: ...ng 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 76: ...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 right reserved Only for training and ser...

Page 77: ...y REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROFF...

Page 78: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 79: ...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 80: ... 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 81: ... 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 ...

Page 82: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 84: ...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 85: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 86: ... 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 87: ...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 Elec...

Page 88: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 89: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...ite 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 E...

Page 91: ... 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 right reserved Only for training and servic...

Page 92: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 93: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 94: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 95: ...ar 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 96: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 97: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 98: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 99: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 100: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 101: ...s 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 103: ...shed 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 104: ...er 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 right reserved Only for training and s...

Page 105: ...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 right reserved Only for training and serv...

Page 106: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 107: ...er 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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 108: ...epair 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 20...

Page 109: ... 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 right reserved Only for training and service p...

Page 110: ...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 right reserved Only for training and service purposes LGE Internal Use Only ...

Page 111: ... 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 right reserved Only for training and service purposes LGE Internal Use Only ...

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