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Samsung 42LW5700, Руководство по обслуживанию

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Jack Interface

[VI_SC_R1],[VI_SC_G1],[VI_SC_B1]

BCM35230

[COMP1_DET]

[COMP1_Y]

[COMP1_Pb]

[COMP1_Pr]

DSUB_R / G / B

PC L,R

EDID EEPROM

AT24C02BN-10SU-1.8

RGB DET

[/G+/B+]

DSUB_ V / HSYNC

[DSUB_V/H SYNC]

[DSUB_DET] // GPIO

[EDID_WP]

MICOM

[RGB_DDC_SCL]

[RGB_DDC_SDA]

RGB_DDC_SCL

RGB_DDC_SDA

[PC_L_IN]

[PC_R_IN]

[SPDIF_OUT]

SPDIF

R

L

CVBS

AV DET

[AV1_R_IN]

[AV1_L_IN]

[AV1_CVBS_IN]

[AV1_CVBS_DET]

COMP_Y

COMP_PB

COMP_PR

COMP DET

COMP1

R

L

CVBS

AV DET

[AV1_R_IN]

[AV1_L_IN]

[AV1_CVBS_IN]

[AV1_CVBS_DET]

AV1

AV2

COMP2 OPT

COMP2_R/G/B

0 OH

M

[BSC_S_SCL]

[BSC_S_SDA]

Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only 

Содержание 42LW5700

Страница 1: ...READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LJ12C MODEL 42LW5700 42LW5700 SA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com...

Страница 2: ...al Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 12 EXPLODED VIEW 20...

Страница 3: ...perate 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 Pl...

Страница 4: ...your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to ap...

Страница 5: ...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...

Страница 6: ...mprovement 4 General Specification TV No Item Specification Remark 1 Receivable System 1 Digital SBTVD 2 Analog NTSC PAL M PAL N 2 Available Channel 1 VHF 02 13 2 UHF 14 69 3 DTV 02 69 4 CATV 01 135 3...

Страница 7: ...0 152 Y 0 058 WHITE X 0 279 Y 0 292 RED X Typ 0 650 Typ 42LW5700 SA Y 0 03 0 333 0 03 GREEN X 0 307 Y 0 604 BLUE X 0 150 Y 0 059 WHITE X 0 279 Y 0 292 RED X Typ 0 648 Typ 47LW5700 SA Y 0 03 0 332 0 03...

Страница 8: ...DTV 1080I 13 1920 1080 56 25 50 148 5 HDTV 1080P 14 1920 1080 67 500 60 148 50 HDTV 1080P 15 1920 1080 67 432 59 94 148 352 HDTV 1080P 16 1920 1080 27 000 24 000 74 25 HDTV 1080P 17 1920 1080 26 97 23...

Страница 9: ...O DTV 1 720 480 31 50 60 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 720 576 31 25 50 13 5 SDTV 576P 4 1280 720 37 5 50 74 25 HDTV 720P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 4...

Страница 10: ...de by Side half Top and Bottom 9 1920 1080 28 125 50 74 25 HDTV 1080i Side by Side half Top and Bottom 10 1920 1080 27 24 74 25 HDTV 1080P Side by Side half Top and Bottom 11 1920 1080 33 75 30 89 1 H...

Страница 11: ...I Side by Side Top Bottom 4 1920 1080 28 125 50 00 74 25 HDTV 1080I Side by Side Top Bottom 5 1920 1080 27 00 24 00 74 25 HDTV 1080P Side by Side Top Bottom Checkerboard 6 1920 1080 33 75 30 00 74 25...

Страница 12: ...you can see 100 Full White pattern In this status you can maintain Heat Run useless any pattern generator Notice if you maintain one picture over 20 minutes Especially sharp distinction black with whi...

Страница 13: ...ton and confirm OK Message 4 remove LAN CABLE 4 2 Using RS 232C Adjust 3 items at 3 1 PCB assembly adjustments adjustment sequence one after the order A Adjustment protocol See ADC Adjustment RS232C P...

Страница 14: ...on both of Component1 and RGB MSPG 925FA Model 225 Pattern 65 Set Component 1080p mode and 100 Horizontal Color Bar Pattern HozTV31Bar then set TV set to Component1 mode and its screen to NORMAL After...

Страница 15: ...ig and another instruments See Working Guide if you want more information about EDID communication EDID data for Non 3DTV Model name LG TV HDMI EDID table 0x1E Physical Address 1 HDMI 1 Check sum 0x7F...

Страница 16: ...pattern You can select option at Ez Adjust Menu 7 White Balance there items NONE INNER HDMI It is normally setting at inner basically If you can t adjust using inner pattern you can select HDMI item a...

Страница 17: ...000K uv 0 000 x 0 276 y 0 283 MEDIUM T 9300K uv 0 000 x 0 285 y 0 293 WARM T 6500K uv 0 000 x 0 313 y 0 329 Using CA 210 Equipment 9 CH Contrast value 216 Gray Using CA 210 Equipment 14 CH White Balan...

Страница 18: ...tton of Service Remocon then enter the Option Menu with PIP CH Button Select one of these three USA CANADA MEXICO defends on its market using Vol button Caution Don t push The INSTOP KEY after complet...

Страница 19: ...lue default 128 A R Offset adjustment Value default 128 A G Offset adjustment Value default 128 A B Offset adjustment Value default 128 8 2 White balance Value 9 USB DOWNLOAD epk file download 9 1 Put...

Страница 20: ...cal 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...

Страница 21: ...RV3P B21 TXE4N LRV3N A21 TXF0P LRV2P A22 TXF0N LRV2N B22 TXF1P LRV1P C23 TXF1N LRV1N C22 TXF2P LRV0P B23 TXF2N LRV0N A23 TXFCLKP A24 TXFCLKN B24 TXF3P C25 TXF3N C24 TXF4P B25 TXF4N A25 TXG0P LLV7P A26...

Страница 22: ...C294 10uF C1222 10uF C1221 1000pF C1218 10uF C1220 10uF C1223 0 1uF R225 10K L204 CIS21J121 L205 CIS21J121 L206 CIS21J121 L207 CIS21J121 C1227 0 1uF C1207 0 1uF C1225 0 1uF C1226 0 1uF C1233 0 22uF 6...

Страница 23: ...d EAN60922901 3 AGND 2 VIN 4 FB 1 PGND 5 COMP 6 EN 7 LX_1 8 LX_2 C325 10uF 25V R326 10K 1 L305 CIS21J121 C327 0 1uF 16V 1 5V0 1 5V1 2 5V 2 5V R319 47K R320 47K R306 47K R309 47K R308 18K R303 47K C308...

Страница 24: ...0 1 10W VCC_LCM 3 3V I2C_SDA V9 VCC_LCM 3 3V VLCD_POWER 12V VLCD_POWER 12V R445 10K R435 0 C455 0 1uF 50V R405 2 7K R423 33 R406 0 1 10W VCOMFB C416 0 01uF 50V C410 10uF 25V R440 0 1 10W CTRLP VLCD_P...

Страница 25: ...C515 10uF 25V V10 V16 RRV6P RLVCLKN RRVCLKN RRV5P RRV0N RLV6P RRV2N RLV4P RRVCLKP RLV2P RLV0P RLV6N RLV4N RRV4N RLVCLKP RLV2N RRV0P RRV1P RLV5N RLV5P RRV6N RLV1P RRV2P RLV1N RRV4P RRV1N RLV0N RRV5N LL...

Страница 26: ...C8 RXE1N C9 RXE2P B8 RXE2N A8 RXECLKP A7 RXECLKN B7 RXE3P C6 RXE3N C7 RXE4P B6 RXE4N A6 RXF0P A5 RXF0N B5 RXF1P C4 RXF1N C5 RXF2P B4 RXF2N A4 RXFCLKP A3 RXFCLKN B3 RXF3P C2 RXF3N C3 RXF4P B2 RXF4N A2...

Страница 27: ...LG1131 RESET R715 10K RESET_LG1131 3 3VD R714 1K R717 0 R718 0 R716 0 IC700 LG1131A 1 VDD10_1 2 RXB4P 3 RXB4N 4 RXB3P 5 RXB3N 6 RXBCLKP 7 RXBCLKN 8 RXB2P 9 RXB2N 10 RXB1P 11 RXB1N 12 RXB0P 13 RXB0N 14...

Страница 28: ...I0_RESREF E6 TXOUT0_L0N AE27 TXOUT0_L0P AE28 TXOUT0_L1N AF27 TXOUT0_L1P AF28 TXOUT0_L2N AG27 TXOUT0_L2P AG28 TXCLK_LN AE26 TXCLK_LP AF26 TXOUT0_L3N AH27 TXOUT0_L3P AG26 TXOUT0_L4N AF25 TXOUT0_L4P AE25...

Страница 29: ...IO J3 TDATD_4 GPIO K2 TDATD_5 GPIO K1 TDATD_6 GPIO K3 TDATD_7 GPIO L1 TSTRTD GPIO L3 TVLDD GPIO L2 MPEG_CLK GPIO P4 MPEG_D_0 GPIO T2 MPEG_D_1 GPIO R3 MPEG_D_2 GPIO R2 MPEG_D_3 GPIO P3 MPEG_D_4 GPIO P2...

Страница 30: ...8 VI_INCM_CVBS2 C19 VI_CVBS3 A19 VI_INCM_CVBS3 B19 VI_CVBS4 C20 VI_INCM_CVBS4 B20 VI_SIF1_1 E19 VI_INCM_SIF1_1 D19 VI_SIF1_2 E10 VI_INCM_SIF1_2 F11 LGE35230 BCM35230KFSBG IC101 NON_BCM_CAP SPDIF_INC_P...

Страница 31: ...DDR_ADA_10 AA27 DDR_ADA_11 AC27 DDR_ADA_12 AA26 DDR_ADA_13 AA24 DDR_ADA_14 AD27 DDR_BAA_0 Y27 DDR_BAA_1 AB28 DDR_BAA_2 W24 DDR_RASA_N V24 DDR_CASA_N W25 DDR_WEA_N V26 DDR_CKEA U24 DDR_CKA01_P W27 DDR...

Страница 32: ...T_PULL_UP L513 BLM18PG121SN1D R519 100 NON_PD_ 3 5V PWM_DIM IC504 AP2132MP 2 5TRG1 EAN61387601 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP 12V 24V 5V_Normal C545 10uF 16V R549 4 7K 1 Q507 AO3...

Страница 33: ...16V R640 10K R623 10K PWM_LED FLMD0 EEPROM_SDA HDMI_CEC SDA2_3 3V R630 22 WIRELESS_DET NEC_ISP_Rx IC602 uPD78F0514 NEC_MICOM 1 P60 SCL0 2 P61 SDA0 3 P62 EXSCL0 4 P63 5 P33 TI51 TO51 INTP4 6 P75 7 P74...

Страница 34: ...L_4 DDC_SDA_3 VR708 OPT 10V D0 _HDMI3 HDMI_HPD_4 DDC_SCL_1 R708 10 5V_HDMI_3 D0 _HDMI4 C707 10uF 10V CK _HDMI1 5V_Normal 5V_HDMI_2 CK _HDMI4 D1 _HDMI2 R723 4 7K D0 _HDMI4 C703 0 1uF 16V R741 120K DDC_...

Страница 35: ...C803 0 1uF 16V HP_LOUT R823 4 7K R819 10K SPK_R _HOTEL 3 3V_Normal JP809 D803 30V OPT R815 2 7K R833 100 C824 0 1uF 16V HP_DET C801 560pF 50V HP_LOUT_N DSUB_HSYNC R808 10K OPT SPK_R _HOTEL NEC_RXD L80...

Страница 36: ...R917 47K COMMERCIAL D904 5 6V CDS3C05HDMI1 R929 1 5K R928 1 5K IR_PASS Q905 2SC3052 COMMERCIAL E B C D906 5 6V CDS3C05HDMI1 R933 100 R908 47K Q904 2SC3052 WIRELESS E B C R919 10K 1 D901 5 6V AMOTECH R...

Страница 37: ...JK1001 KJA PH 3 0168 WIRELESS 14 GND_3 13 I2C_SDA 5 VCC 24V 20V 17V _1 12 I2C_SCL 11 GND_2 2 VCC 24V 20V 17V _2 19 GND_5 18 IR 10 RESET 4 VCC 24V 20V 17V _4 1 VCC 24V 20V 17V _1 17 GND_4 9 GND_1 8 INT...

Страница 38: ...C RD1 E LUG R1120 0 COMP2 ZD1107 5 1V COMP2 R1118 75 AV2 D1108 5 6V ZD1110 5 1V 3 3V_Normal R1136 10 ZD1114 5 1V D1101 5 6V C1108 560pF 50V C1114 560pF 50V COMP2 C1109 560pF 50V AV1_CVBS_IN SC_G COMP2...

Страница 39: ..._DM USB_DM1 C1212 1uF 10V WIFI R1223 2 7K USB_OCD1 C1208 0 1uF WIFI USB_CTL2 D1205 5 6V CDS3C05HDMI1 USB_OCD2 C1214 0 1uF WIFI R1214 100K OPT USB_CTL2 R1227 0 NON_WIFI C1224 0 1uF SIDE_USB_OCD1 USB_CT...

Страница 40: ...D_SYNC_RF R1320 22 M_REMOTE R1326 22 M_REMOTE DD_MREMOTE R1322 2 7K M_REMOTE 3D_GPIO_1 3D_GPIO_0 M_REMOTE_RX R1325 22 M_REMOTE M_RFModule_RESET 3D_GPIO_2 R1321 2 7K M_REMOTE 3 3V_Normal P1302 12507WR...

Страница 41: ...1 MLB 201209 0120P N2 EPHY_RDP 3 3V_Normal EPHY_RDN C1401 0 1uF 16V 2 5V_BCM35230 EPHY_TDN EPHY_ACTIVITY EPHY_LINK JK1401 XRJH 01A 4 DA7 180 LG B 1 R1 2 R2 3 R3 4 R4 5 R5 6 R6 7 R7 8 R8 12 SHIELD 9 R9...

Страница 42: ..._Normal TXB3N R1504 33 FRC2 P1502 FI RE41S HFK A LVDS_41P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 TXA0N TXD2N R1512 10K BIT...

Страница 43: ...SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SCL2_3 3V R1602 33 LPB_42 47 55 SDA2_3 3V R16...

Страница 44: ...OPT C1806 1000pF 50V SPK_L 0 1uF C1841 50V WOOFER R1827 12 WOOFER AUD_MASTER_CLK D1804 100V 1N4148W OPT R1801 10K C1834 1000pF 50V SPK_WOOFER_R AMP_RESET_N 0 1uF C1877 50V R1851 3 3 OPT 0 1uF C1840 50...

Страница 45: ...T PCM_IORD Q1902 AO3407A CI G D S CI_CD2 CI_ADDR 1 CI_TS_CLK C1911 0 1uF 16V OPT R1969 10K CI CI_ADDR 9 C1915 0 1uF 16V OPT R1980 100 CI R1945 10K OPT R1966 10K CI R1985 10K CI R1936 0 OPT R1949 22 CI...

Страница 46: ...D 13 B2 1 2V 14 B3 3 3V 15 RESET 16 NC_4 17 SCL 18 SDA 19 ERR 20 SYNC 21 VALID 22 MCL 23 D0 24 D1 25 D2 26 D3 27 D4 28 D5 29 D6 30 D7 31 SHIELD TU2202 4 TDFR C056D CN_VERTIAL_LG3911 1 RF_S W_CNTL 2 BS...

Страница 47: ...SMAB34 LNB R2314 0 LNB C2309 27pF OPT DCDC_GND R2313 0 LNB 12V_LNB A_GND A_GND A_GND C2311 10uF 25V LNB R2301 33 LNB C2307 0 01uF 50V LNB SDA1_3 3V C2302 1uF 50V LNB LNB_INT R2304 4 7K LNB DCDC_GND A_...

Страница 48: ..._GND 15 SYNC_OUT 16 SYNC_IN 17 COM_GND 18 AV_DET 19 SHIELD C2515 100uF 16V EU C2516 100pF 50V EU R2545 10K EU R2516 0 EU SC_FB R2511 470K EU Q2502 2SC3052 EU E B C DTV_ATV_SELECT D2501 5 5V EU 12V R25...

Страница 49: ...ROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CHBO_TS_S...

Страница 50: ...THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC AMP_MUTE_HOTEL AMP_MUTE_HOTEL SPK_R _HOTEL C2901 0 1uF CN_HOTEL P2901 12505WS 09A00 CN_HOTEL 1 2 3 4 5 6 7 8 9 10 R2904 0 CN_HOTEL 3 3V_Norm...

Страница 51: ...FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYM...

Страница 52: ...210 M2 1 GASKET_5 0T MDS62110210 M4 1 GASKET_5 0T MDS62110210 M3 1 GASKET_5 0T MDS62110210 M7 1 GASKET_5 0T MDS62110210 M6 1 GASKET_5 0T MDS62110210 M5 1 GASKET_5 0T MDS62110210 M8 1 GASKET_5 0T MDS62...

Страница 53: ...8 M14 GASKET_4 5T MDS62110206 M13 3 GASKET_6 5T MDS62110210 M15 1 GASKET_5 0T MDS62110204 M15 2 GASKET_5 5T MDS62110206 M15 3 GASKET_6 5T MDS62110205 M13 4 GASKET_7 5T MDS62110205 M15 4 GASKET_7 5T MD...

Страница 54: ......

Страница 55: ...onics Inc 2009 LCD TV Repair Guide 11 years New Models Applicable Model XXLW9500 SA XXLV5500 SD Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal...

Страница 56: ...LG Electronics Inc 2009 Overview for 11 Broadband Model SCA Brazil Hardware Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only...

Страница 57: ...42 37 32 3 4W LK330 32 26 4 3W 10 12 1 LZ9700 72 5 1W LD330 26 6 3W 22 5 2W LD840 42 37 32 8 4W LE6500 26 22 9 2W LE7500 LEX8 LE5600 47 42 9 1W LH45 47 42 SL80 LH70 LK310 26 22 3 4W LV3400 42 32 6 2W...

Страница 58: ...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 42i...

Страница 59: ...ts more deep black Feature 2 types of LED ALEF Model XXLW950T W S G 47inch H 24 V 10 240Block 55inch H 24 V 12 288Block XXLW770T W S G 42inch H 12 V 4 48Block 47inch H 12 V 5 60Block 55inch H 16 V 6 9...

Страница 60: ...ory 2 3 4 Micom for Key IR sensing HDMI switch 4 1 Audio AMP 10W 10W XXLW9500 SA XXLV5500 SD wifi W O LV5500 Soft touch IR RF assy W O LV5500 Front Spk Woofer Spk W O LV5500 To T CON BOARD W LV5500 Co...

Страница 61: ...HDMI2 HDMI3 HDMI4 Side Rear COMP RGB H V Ethernet CVBS CAM DVR Ready H P L R Out UART SYSTEM EEPROM X 1 1Mb HDMI S W HDCP EEPROM M Remote Module I2C Sub Micom sanyo Wireless Ready I2C USB HUB IC Air...

Страница 62: ...OM RGB_DDC_SCL RGB_DDC_SDA RGB_DDC_SCL RGB_DDC_SDA PC_L_IN PC_R_IN SPDIF_OUT SPDIF R L CVBS AV DET AV1_R_IN AV1_L_IN AV1_CVBS_IN AV1_CVBS_DET COMP_Y COMP_PB COMP_PR COMP DET COMP1 R L CVBS AV DET AV1_...

Страница 63: ...LED BLU control SPI Vsync FRC II LG1121 Main SoC BCM FHD 60Hz Dual Link LVDS 2 3D_Sync 2D 3D LGSIC XTR T Con LGSIC FHD 240Hz Quad Link HF mini LVDS 8 FHD 60Hz Dual Link LVDS 2 4 FHD 240Hz Octa Link LV...

Страница 64: ...Main Module LVDS cable 51PIN LED driver PSU T CON to Module 80pin FFC Multi cable IR MOTION WIFI SPK WOOFER SPK CABLE PCBs Cables XXLW9500 SA ALEF Module Assy PSU Local dimming cable 8pin 7 6 7 1 2 2...

Страница 65: ...3 4 5 Main PSU cable Main Module LVDS cable Multi cable IR Soft Touch SPK CABLE PCBs Cables PSU Drive B D Cable LED driver Edge Module Assy 1 3 2 1 2 3 4 5 Copyright 2011 LG Electronics Inc All right...

Страница 66: ...cable 51PIN LED driver PSU T CON to Module 80pin FFC Multi cable IR MOTION WIFI SPK WOOFER SPK CABLE PCBs Cables Main PSU SPK CABLE 7 6 7 1 2 2 3 4 Soft Touch Assy 5 6 7 Sub PSU 8 8 1 2 3 3 4 4 5 6 7...

Страница 67: ...00 Series Soft Touch IR PCB RF MOTION ASSY WIFI ASSY To Main 1 SPK unit WIFI ASSY RF MOTION ASSY Soft Touch IR PCB Copyright 2011 LG Electronics Inc All right reserved Only for training and service pu...

Страница 68: ...erconnection sub PCB LV5500 Series Soft Touch IR PCB To Main 1 SPK unit Soft Touch IR PCB Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use O...

Страница 69: ...72LZ9700 SA IR PCB To Main 1 IR PCB Soft Touch PCB RF Motion Assy SPK unit Soft Touch RF Motion Assy 2 To Main Copyright 2011 LG Electronics Inc All right reserved Only for training and service purpos...

Страница 70: ...wer 6 7 Off when on off while 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 No response in remote controller key error...

Страница 71: ...ts End Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revis...

Страница 72: ...Check and replace 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 13 LCD TV Error symptom 2 2010 12 14...

Страница 73: ...in Replace 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...

Страница 74: ...xternal device 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 Req...

Страница 75: ...connecting 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...

Страница 76: ...voltage of 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 Sta...

Страница 77: ...Y Power off 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 POWER...

Страница 78: ...Board and 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...

Страница 79: ...Input Connect and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF sign...

Страница 80: ...ck Replace 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 Mai...

Страница 81: ...x external 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 Establi...

Страница 82: ...en proceed as 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 custo...

Страница 83: ...emote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Adjust VCOM Established date Revised date 13 13 LCD TV Error symptom Standard Repair Process A28 13...

Страница 84: ...eck 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 connec...

Страница 85: ...e viewing POWER 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...

Страница 86: ...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 4 locations ALL MODELS L...

Страница 87: ...te Revised date Error symptom Content LCD TV A2 Check the DC 24V 12V 3 5V and Inverter on ALEF LED Edge LED P dim A dim Inverter ON Error GND 24V P203 14 13 12 11 6 10 1 5 P dim A dim Inverter ON Erro...

Страница 88: ...nual Check White Balance value A Video error_No video Normal audio ALL MODELS A4 Established date Revised date Error symptom Content LCD TV A3 Entry method 1 Press the ADJ button on the remote control...

Страница 89: ...0 H24S YEONHO Error out 24 N C Lamp SCANNING Model PWM Dim 2 23 PWM Dim 1 22 12V 21 Lamp A Dim LED N C 20 12V 19 Inverter On off 18 12V 17 GND 16 GND 15 GND 14 GND 13 3 5V 12 3 5V 11 3 5V 10 3 5V 9 GN...

Страница 90: ...Standard 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...

Страница 91: ...lag stop 1 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...

Страница 92: ...Horizontal bar residual image light spot As the part connecting to the external input check the screen condition by signal A8 Established date Revised date Error symptom Content LCD TV A8 ALL MODELS...

Страница 93: ...voltage from 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 A9 Established date Re...

Страница 94: ...tion A Video 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 2010 12 14 C...

Страница 95: ...f patterns using the ADJ Key Checking item 1 Defective pixel 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A12 Established date Revised date Error...

Страница 96: ...CNT Broken 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 Exchang...

Страница 97: ...bnormal Power 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 2011 LG Electronics Inc All...

Страница 98: ...c 2009 Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE...

Страница 99: ...leakage Press 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 2011 LG Electronics Inc All rig...

Страница 100: ...ertical Block 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...

Страница 101: ..._No power A17 Established date Revised date Error symptom Content LCD TV A17 ST BY condition Red Power ON condition white Front LED control Menu Option Power Indicator Standby light ON 2010 12 14 Cop...

Страница 102: ...normally on Check the DC 20V 24V 12V 3 5V SMAW200 H24S YEONHO Error out 24 N C Lamp SCANNING Model PWM Dim 2 23 PWM Dim 1 22 12V 21 Lamp A Dim LED N C 20 12V 19 Inverter On off 18 12V 17 GND 16 GND 15...

Страница 103: ...24S YEONHO Error out 24 N C Lamp SCANNING Model PWM Dim 2 23 PWM Dim 1 22 12V 21 Lamp A Dim LED N C 20 12V 19 Inverter On off 18 12V 17 GND 16 GND 15 GND 14 GND 13 3 5V 12 3 5V 11 3 5V 10 3 5V 9 GND 8...

Страница 104: ...t item 3 Standard 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 Conten...

Страница 105: ...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 sy...

Страница 106: ...il Technical Manual 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 symptom Content LCD TV A25 SMAW200...

Страница 107: ...tandard Repair Process Detail Technical Manual Remote controller operation checking method D Function error_ No response in remote controller key error ALL MODELS A27 Established date Revised date Err...

Страница 108: ...tton on the remote controller And find the V COM value Which 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...

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