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background image

Normal

voltage?

Check various
voltages of Power
Board
( 3.5V,12V,20V or
24V…)

No Video/
No audio

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

Copyright © 2011 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

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Содержание 22LV2510-TB

Страница 1: ...ETY PRECAUTIONS IN THIS MANUAL CHASSIS LB01S MODEL 22LV2510 22LV2510 TB MODEL 22LV2530 22LV2530 TD North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67002710 1103 REV00 ...

Страница 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 14 EXPLODED VIEW 15 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...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 metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path t...

Страница 4: ... on 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 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 electrostatic charge...

Страница 5: ... the 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 repla...

Страница 6: ... prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Remarks 1 Market Austrailia NewZealand Singapore Malaysia only Analog for A ASIA Vietnam Indonesia South Africa Israel A ASIA 2 Broadcasting system 1 PAL SECAM B G D K PAL for NZ SG 2 PAL I II 3 NTSC M 4 DVB T 3 Receiving syste...

Страница 7: ...1280x720 45 00 60 00 HDTV 720p 10 1920x1080 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 250 50 HDTV 1080p 14 1920x1080 67 5 60 HDTV 1080p No Specification Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60 Hz 852 480 60 H...

Страница 8: ...08 875 SXGA HDCP FHD model 7 1920 1080 67 5 60 00 138 625 WUXGA HDCP FHD model 2 PC Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 ...

Страница 9: ... check OK message If Error is displayed Check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detec...

Страница 10: ...0 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 Function Check Check display and sound Check Input and Signal items cf work instructions 1 TV 2 AV SCART1 SCART2 CVBS 3 COMPONENT 480i 4 RGB PC 1024 x 768 60 hz 5 HDMI 6 PC Audio In Display and Sound check is executed ...

Страница 11: ... and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 DDC EDID Write RGB 128Byte Connect D sub Signal Cable to D sub Jack Write EDID...

Страница 12: ... to HDMI For HDMI EDID For Analog EDID INPUT MODEL NAME HEX HDMI1 65030C001000 HDMI2 65030C002000 HDMI3 65030C003000 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 ff ff ff ff ff ff 00 1e 6d a b 10 c 01 03 68 10 09 78 0a ee 91 a3 54 4c 99 26 20 0f 50 54 a1 08 00 81 80 61 40 45 40 31 40 01 01 30 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c 40 45 00 a0 5a 00 00 00 1e 01 1d 00 72 51 d0 1e 20 50 6e 28 55 00 ...

Страница 13: ...ethod notice A Serial number D L is using of scan equipment B Setting of scan equipment operated by Manufacturing Technology Group C Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man Sometimes model name or serial number is ini...

Страница 14: ...ar TMDS DDR2 Add DDR2 Data SPI MICOM UPD78F0514AGA GAM AX MICOM SDA MICOM SCL AV Side NAND Flash 2Gbit HY27UF082G2B TPCB PCM_A 0 7 DDR3 256M Hynic H5TQ1G63BFR FFC 31P HD 50 60Hz TMDS HDMI CVBS L R DDR3 256M Hynic H5TQ1G63BFR DDR3 256M Hynic H5TQ1G63BFR CONTROL IR LED SOFT TOUCH NEC_EEPROM _SCL SDA LED_R BUZZ KEY1 KEY2 IR LED_B LG LOGO SOFT TOUCH _SCL SDA M24M01 HRMN6TP 1Mbit HDCP EEPROM CAT24WC08W...

Страница 15: ...l 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 IM...

Страница 16: ...E24 C2M LLV2N BLUE 0 AF24 C3P LLV4P AF23 C3M LLV4N AD22 C4P LLV5P AE22 C4M LLV5N AF22 DCKP TCON5 AD19 DCKM TCON4 AE19 D0P LLV6P AD21 D0M LLV6N AE21 D1P LLV7P AF21 D1M LLV7N AD20 D2P LLV8P AE20 D2M LLV8N AF20 D3P TCON3 AF19 D3M TCON2 AD18 D4P TCON1 AE18 D4M TCON0 AF18 GPIO0 TCON15 HSYNC VDD_ODD AB22 GPIO1 TCON14 VSYNC VDD_EVEN AB23 GPIO2 TCON7 LDE GCLK4 AC23 GPIO3 TCON6 LCK GCLK2 AC22 FRC_GPIO0 UAR...

Страница 17: ...D1 B_RX0N D2 B_RX1P E2 B_RX1N E3 B_RX2P F3 B_RX2N E1 DDCDB_DA GPIO26 D4 DDCDB_CK GPIO25 E4 HOTPLUGB GPIO20 D5 C_RXCP AA2 C_RXCN AA1 C_RX0P AB1 C_RX0N AA3 C_RX1P AB3 C_RX1N AB2 C_RX2P AC2 C_RX2N AC1 DDCDC_DA GPIO28 AB4 DDCDC_CK GPIO27 AA4 HOTPLUGC GPIO21 AC3 D_RXCP A2 D_RXCN A3 D_RX0P B3 D_RX0N A1 D_RX1P B1 D_RX1N B2 D_RX2P C2 D_RX2N C3 DDCDD_DA GPIO30 B4 DDCDD_CK GPIO29 C4 HOTPLUGD GPIO22 E5 CEC G...

Страница 18: ...048 22 3 5V_ST R1019 22 R4035 4 7K NEW_SUB R4034 4 7K NEW_SUB C1008 15pF R1006 10K OPT R1011 10K TACT_KEY 3 5V_ST 3 5V_ST R1076 22 MICOM_DEBUG AMP_MUTE POWER_ON OFF1 LED_R BUZZ LED_B LG_LOGO C1006 0 1uF S7_NEC_TXD R1052 10K NEC_SCL R1018 22 R1074 10K GP3 MICOM_RESET FLMD0 R1047 20K 1 16W 1 R1041 22 R1056 22 R1037 22 NEC_ISP_Rx S T_SCL 3 5V_ST RL_ON NEC_EEPROM_SDA MICOM_RESET EDID_WP R1055 22 R1043...

Страница 19: ... USB1_OCD SIDE_USB_DP C1451 22uF 16V R1459 2K 1 8W 1 5V_USB USB1_CTL R1458 2K 1 8W 1 R1455 4 7K OPT SIDE_USB_DM L1451 MLB 201209 0120P N2 120 ohm R1454 10K 3 3V_Normal R1451 47 L1451 1 CIS21J121 JK1450 3AU04S 305 ZC LG USB_JACK 1 2 3 4 5 IC1450 AP2191DSG EAN61849601 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC JK1450 1 3AU04S 345 ZC H LG USB_JACK_LV3400 1 2 3 4 5 D1451 RCLAMP0502BA OPT 0 07...

Страница 20: ... DDC_SCL_2 BSS83 Q805 S B D G CEC_REMOTE_NEC DDC_SCL_4 GND HDMI_CEC CK _HDMI4 JP806 R854 68K R875 22 R835 3 3K HPD1 HPD4 D0 _HDMI1 R878 22 HDMI_CEC D0 _HDMI2 R804 1 8K R897 1K C810 0 1uF 16V C801 0 1uF 16V D0 _HDMI4 D803 AVRL161A1R1NT OPT 5V_HDMI_1 BSS83 Q806 S B D G R876 22 C805 0 1uF 16V DDC_SDA_1 R893 10K IC804 AT24C02BN SH T HDMI_SIDE_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC JK801 EAG...

Страница 21: ...N_GND 8 BLUE_GND 9 NC 10 SYNC_GND 11 GND_2 12 DDC_DATA 13 H_SYNC 14 V_SYNC 15 DDC_CLOCK 16 SHILED R1107 15K JK1103 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_Normal R1135 75 R1155 1K HP_LOUT 002 V7 C1126 68pF 50V OPT C1119 10uF 16V SPDIF_OUT 002 T18 D1109 30V C1129 0 1uF 16V PC_R_IN 002 S12 R1129 3 3K R1137 75 3 3V_Normal D1101 5 6V OPT AMOTECH EDID_WP R1147 1K SIDE_HP_MUTE IC1105 AT24C02BN ...

Страница 22: ...1101 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 JP1121 IC1101 MAX3232CDR EAN41348201 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC S7_NEC_TXD D1108 30V CDS3C30GTH OPT C1102 0 1uF JP1122 C1106 0 1uF S7_NEC_RXD C1103 0 1uF C1101 0 33uF C1104 0 1uF 3 5V_ST D1107 30V CDS3C30GTH OPT R1123 100 C1105 0 1uF RS232C 20101023 GP2R RS232C_9PIN 10 Copyright 2...

Страница 23: ..._DQU5 DDR2_DQ12 K26 B_DDR3_DQU6 DDR2_DQM0 G25 B_DDR3_DQU7 DDR2_DQ14 K24 H5TQ1G63DFR H9C IC1202 DDR_1333_HYNIX EAN61828901 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 ...

Страница 24: ...ormal IC1401 1 W25Q80BVSSIG S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC R1401 0 OPT FLASH_WP SPI_SDI R1405 33 SPI_SDO SPI_SCK SPI_CS 3 3V_Normal 3 3V_Normal R1404 4 7K R1403 10K Q1401 KRC103S OPT E B C C1401 0 1uF IC1401 MX25L8006EM2I 12G S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC SFLASH_1MB 20101023 13 GP2R Copyright 2011 LG...

Страница 25: ...F C539 50V 0 1uF C509 C528 10uF 35V R520 12 0 1uF C526 50V C511 10uF 10V OPT C545 22pF 50V OPT C434 0 1uF 16V 0 1uF C538 50V SPK_L R503 100 C531 390pF 50V 1 8V_AMP R514 100 C522 1uF 25V 0 1uF C527 50V POWER_DET C525 22000pF 50V Q501 2SC3052 E B C D501 100V 1N4148W OPT C503 10uF 10V OPT AUD_LRCH R508 3 3K C530 390pF 50V C534 0 47uF 50V 1 8V_AMP SPK_R C546 22pF 50V OPT C517 1uF 25V L502 BLM18PG121SN...

Страница 26: ...70K REAR_AV R1664 33K EU_OPT C1618 4700pF EU_OPT R1668 10K EU_OPT SC1 COMP1_DET C1644 10uF 16V EU_OPT R4221 0 EU_OPT C1662 330pF 50V REAR_AV AV_L_IN D1607 5 6V NON_EU C1612 330pF 50V DTV MNT_L_OUT D1601 5 6V OPT COMP2_Pb D1716 30V OPT D1602 30V OPT 12V 15V C1621 47uF 16V EU_OPT 0 R4210 EU_OPT C1620 100uF 16V EU_OPT DTV MNT_R_OUT SC_RE1 R1685 10K REAR_AV AV_CVBS_DET REC_8 R1626 470K C1664 0 01uF 2S...

Страница 27: ... L1902 BLM18PG121SN1D R1901 47 CI_MDI 6 CI_MDI 2 PCM_WAIT CI_ADDR 4 C1903 0 1uF 16V CI_TS_DATA 5 PCM_IOWR PCM_A 12 R1924 10K CI_TS_DATA 1 CI_ADDR 12 R1923 10K OPT GND AR1906 33 PCM_A 11 CI_CD1 PCM_OE CI_IORD R1913 10K CI_IOWR AR1909 33 CI_MISTRT R1915 47 R1917 10K 3 3V_CI 5V_Normal 5V_Normal CI_MDI 6 CI_ADDR 9 AR1907 33 R1912 10K OPT PCM_A 1 PCM_A 7 PCM_IRQA AR1904 33 R1908 100 R1906 10K CI_MCLKI ...

Страница 28: ... MDS62110205 GAS3 2 7 5T_GAS MDS61887708 GAS2 4 12 5T_GAS MDS62110204 GAS1 1 5 5T_GAS MDS62110204 GAS2 1 5 5T_GAS MDS61887710 GAS2 3 9 5T_GAS MDS61887710 GAS5 3 9 5T_GAS MDS61887708 GAS5 4 12 5T_GAS MDS62110206 GAS5 6 5T_GAS MDS62110205 GAS5 2 7 5T_GAS MDS62110204 GAS5 1 5 5T_GAS MDS62110209 GAS1 5 8 5T_GAS MDS62110209 GAS2 5 8 5T_GAS MDS62110209 GAS3 5 8 5T_GAS MDS62110209 GAS4 5 8 5T_GAS MDS6211...

Страница 29: ... UDA55AL GP3_ATSC_1INPUT_H_SANYO 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2 NC_2 10 NC_3 4 NC RF_AGC 1 NC_1 17 DIF_1 9 SIF 8 NC IF_TP 3 B 5V 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 19 SHIELD TU3701 2 TDFR B036F FULL_NIM_BR 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC_1 RF_AGC 5 NC_2 6 SCLT 7 SDAT 8 NC_3 9 SIF 10 NC_4 11 VIDEO 12 GND 13 B2 1 2V 14 B3 3 3V 15 RESET 16 NC_5 17 SCL 18 SDA 19 ERR 20 SYNC 21 ...

Страница 30: ... PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC V_SYNC L DIM_SCLK LED_DRIVER_D L_SCL L DIM_MOSI LED_DRIVER_D L_SDA 3D_SYNC_RF 3D_GPIO_2 DD_MREMOTE 3D_GPIO_1 M_REMOTE_RX M_RFModule_RESET DC_MREMOTE M_REMOTE_TX NON_L DIM_LED DRIVER NON_L DIM 20101023 26 GP2R NON_3D_SG Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Inter...

Страница 31: ... 1 10W 5 AUO_CMI R10021 0 1 10W 5 AUO_CMI R10022 0 1 10W 5 LGD R10023 0 1 10W 5 LGD C10022 10uF 100V OPT C10007 0 33uF 50V R10011 1 27K 1 10W 1 LGD R10013 1 27K 1 10W 1 LGD R10011 47K 1 10W 1 AUO R10013 51K 1 10W 5 AUO P7701 12507WR 06L AUO_CMI 1 2 3 4 5 6 7 R10010 10K 1 8W JP10004 JP10005 R10024 3 9K PWM_PULL_DOWN R10011 2 59K 1 16W 1 CMI R10013 2 59K 1 16W 1 CMI R10019 2 13K 1 10W CMI_21 5 R1001...

Страница 32: ...5 26 27 28 29 30 31 RXC2 RXA2 RXA4 RXB0 RXACK RXC0 RXB3 C10031 10uF 16V OPT FRC_PWM1 RXB1 PANEL_VCC RXACK RXA1 RXA0 C10032 1000pF 50V OPT PANEL_VCC RXA0 RXA2 RXB4 RXA1 RXCCK RXD1 RXDCK RXC4 RXC0 RXCCK A_DIM RXA1 RXBCK RXC4 RXB4 RXD3 D9904 5 6V SIDE_CVBS ADMC5M03200L_AMODIODE JK9901 KJA PH 1 0177 SIDE_CVBS 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 D9901 30V SIDE_CVBS ADUC30S03010L_AMODIODE C9906 100pF 50...

Страница 33: ...BLM18PG121SN1D C10052 0 1uF C10051 0 1uF C10054 1000pF 50V C10058 1000pF 50V KEY2 P7705 12507WR 15L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15 C10062 0 1uF 16V OPT D10051 5 6V AMOTECH R10052 100 R10059 47K OPT S T_SDA LED_B LG_LOGO 3 5V_ST R10056 0 3 3V_Normal 3 5V_ST Q10051 2SC3052 OPT E B C R10057 47K OPT C10053 0 1uF 16V R10058 10K OPT L10053 BLM18PG121SN1D 3 5V_ST R10064 1 5K R10055 10K 1 C10061 1...

Страница 34: ... 0 1uF 16V RL_ON C461 10uF 10V C7555 0 1uF C468 0 1uF 16V C470 0 1uF 16V 24V 15V L7951 R7521 10K C430 10uF 10V C7524 220pF 50V Adapter C7545 0 1uF 50V Adapter R7545 10K C7514 0 1uF 50V 3 5V_ST 1 5V_DDR C7924 0 1uF 50V Adapter R7523 22K PANEL_CTL C7952 10uF 25V R7516 10K 24V_LED_driver Q7502 2SC3052 E B C L415 3 6uH NR8040T3R6N C7955 22uF 16V R7519 22 1 16W 5 Adapter 24V 15V R464 10K C7932 3 3uF 50...

Страница 35: ...F12 FRC_DDR3_DQL6 DDR2_DQ3 AF5 FRC_DDR3_DQL7 DDR2_DQ5 AE12 FRC_DDR3_DQU0 DDR2_DQ8 AE10 FRC_DDR3_DQU1 DDR2_DQ14 AF7 FRC_DDR3_DQU2 DDR2_DQ13 AD11 FRC_DDR3_DQU3 DDR2_DQ12 AD7 FRC_DDR3_DQU4 DDR2_DQ15 AD10 FRC_DDR3_DQU5 DDR2_DQ9 AE7 FRC_DDR3_DQU6 DDR2_DQ10 AF10 FRC_DDR3_DQU7 DDR2_DQM1 AD8 FRC_DDR3_NC DDR2_DQM0 AE8 FRC_VSYNC_LIKE Y11 FRC_TESTPIN Y19 ACKP RLV3P RED 3 W26 ACKM RLV3N RED 2 W25 A0P RLV0P RE...

Страница 36: ......

Страница 37: ...esidual image light spot external device color error 5 6 B Power error No power 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 recording error memory error 10 11 External device recognition error 11 12 E Noise Circuit noise mechanical noise 12 13 F E...

Страница 38: ...Y Replace Inverter or module N Repair Power Board or parts End Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 13 LCD TV Error symptom A Video error No video Normal audio A4 A1 A2 A28 A7 A3 First of all Check whether all of cables between board ...

Страница 39: ...of Power Board 3 5V 12V 20V or 24V No Video No audio 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 ...

Страница 40: ...Box Different maker TV etc SVC Bulletin Replace Main B D Check Tuner soldering Normal Picture Y N Y Close Close By using Digital signal level meter By using Diagnostics menu on OSD Menu Setup Manual Tuning Signal strength Normal over 30 Signal Quality Normal over 30 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N Standard Repair Process Estab...

Страница 41: ... device Cable normal External Input Component error Check external 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 N Y End Replace module Request repair for external device cable Color error Check Test pattern Standard Repair Process Established date Revised date 4 13 LCD TV Error sym...

Страница 42: ...able Check normal operation of External Input Component RGB and HDMI DVI by 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 error RGB error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and H...

Страница 43: ...d properly Check Power LED Replace Power B D Measure 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 Standard Repair Process Established date Revised date 6 13 LCD TV Error symptom Stand By Red Operating white Close ...

Страница 44: ...tatus Power off List Explanation Normal POWEROFF_REMOTEKEY 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 POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off ...

Страница 45: ...V or 24V of Power Board Normal voltage Y N Replace Power 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 symptom Standard Repair Process ...

Страница 46: ...ed audio Discontinuation Noise only for External 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 signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 20V or 24V Replace Main B D In case of External Input signal e...

Страница 47: ...om Check R C Operating When turn off light in room Check Replace Baterry of R C Check Repair Cable connection Connector solder Normal operating Check 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 Pr...

Страница 48: ...al Input and Component Recognition error Check and fix 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 Established date Revised date 11 13 LCD TV Error symptom Standard Repair Process ...

Страница 49: ...m the cabinet refer to the KMS fix information and then 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 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 n...

Страница 50: ...amage Module damage Cabinet damage Replace cabinet Replace remote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 13 13 LCD TV Error symptom Standard Repair Process ...

Страница 51: ...en the signal is strong use the attenuator 10dB 15dB 20dB etc 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 LCD TV ...

Страница 52: ...rsion checking method A Video error_Video error video 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 LCD TV ...

Страница 53: ...Standard Repair Process Detail Technical Manual LCD TV connection diagram 1 A Video error _Vertical Horizontal bar residual image light spot A8 Established date Revised date Error symptom Content LCD TV ...

Страница 54: ... Key A Video error_Color error You can view 6 types of 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 symptom Content LCD TV ...

Страница 55: ... Broken T Con Defect CNT Broken Solder defect 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 Exchange T Con Board 1 A 1 5 ...

Страница 56: ...mal Power Section Solder defect Short Crack Abnormal 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 ...

Страница 57: ...Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 ...

Страница 58: ...pendix Exchange the Module 1 Panel Mura Light 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 ...

Страница 59: ...C Defect Vertical Line Source TAB IC Defect Vertical 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 repairable Cases In this case please exchange the module ...

Страница 60: ...oller for adjustment 2 Check the entry into adjustment 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 Content LCD TV ...

Страница 61: ...ct the AUDIO function of the Menu 3 Select TV Speaker 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 ...

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