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THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

LVDS

140613

18

L14_CA_M1A

RXB0-

RXA0+

RXBCK-

RXA1-

RXB4-

RXB1+

RXBCK+

PANEL_VCC

RXB3+

RXA3-

RXB4+

RXA4-

RXA4+

RXA2+

RXB2-

RXA1+

RXA2-

RXB1-

RXA3+

RXA0-

RXACK-

RXB2+

RXB3-

RXB0+

RXACK+

RXA2+

RXA2-

RXA3+

RXACK+

RXA1+

RXA3-

RXA0+

RXA1-

RXACK-

RXA0-

R1801

0

OPT

P1801

10031HR-30

MO_HD

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25

26

27

28

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30

31

C1800
0.1uF

25V

R1812

0

OPT

P1800

SP14-11592-01-51Pin

MO_FHD

1

2

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4

5

6

7

8

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50

51

52

C1801
10uF
25V

AR1800

0

1/16W

OPT

L1801

UBW2012-121F

PANEL_HD

PANEL_HD

[51Pin LVDS Connector]
(For FHD 60Hz)

[30Pin LVDS Connector]
(For HD 60Hz_Normal)

LVDS

Copyright

ⓒ

2015 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

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Содержание 32LX30*C

Страница 1: ...ODEL 32LX30 C 32LX30 C ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED 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 ...

Страница 2: ...ights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 BLOCK DIAGRAM 16 EXPLODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

Страница 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...

Страница 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing 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 e...

Страница 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...

Страница 6: ...s UK Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hun gary Swiss Croatia TurkeyNorway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia SlovakiaBosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB T2 8 countries UK Denmark Sweden Finland Norway Ireland Ukraine Kaza khstan DTV MPEG2 4 DVB C 37...

Страница 7: ... 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 symbol rate 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 Scart Jack 1EA PAL SECAM Scart 1 Jack is Full Scart and support RF OUT analog EU only 5 Component AV Common p...

Страница 8: ...576P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 480 31 47 59 94 27 00 SDTV 480P 7 1280 720 37 50 50 00 74 25 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 1280 720 44 96 59 94 74 176 HDTV 720P 10 1920 1080 28 125 50 00 74 25 HDTV 1080I 11 1920 1080 33 75 60 00 74 25 HDTV 1080I 12 1920 1080 33 72 59 94 74 176 HDTV 1080I 13 1920 1080 56 25 50 00 148 50 HDTV 1080P 14 1920 1080 67 50 60 00 148 ...

Страница 9: ... 25 125 SDTV 480P 3 720 480 15 73 59 94 13 500 SDTV 480I Don t insert in manual spec out 4 720 480 15 75 60 00 13 514 SDTV 480I 5 720 576 15 62 50 00 13 500 SDTV 576I DVB 6 720 480 31 47 59 94 27 00 SDTV 480P 7 720 480 31 50 60 00 27 027 SDTV 480P 8 720 576 31 25 50 00 27 00 SDTV 576P DVB 9 1280 720 37 50 50 00 74 25 HDTV 720P DVB 10 1280 720 45 00 60 00 74 25 HDTV 720P 11 1280 720 44 96 59 94 74 ...

Страница 10: ...nection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD epk file download 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 didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message...

Страница 11: ...FF FF FF FF FF 00 1E 6D a b 10 c 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01 30 01 01 01 01 01 01 66 21 50 B0 51 00 1B 30 40 70 40 36 00 40 84 63 00 00 1E 64 19 00 40 41 00 26 30 50 18 88 36 00 40 84 63 00 00 18 00 00 00 FD 00 3A 60 3E 1E 53 10 00 0A 20 20 20 20 20 20 d 70 d 01 e 80 02 03 22 F1 4E 10 1F 04 93 05 14 03 02 12 20 21 90 22 15 01 26 15 0...

Страница 12: ...s H run it is adjusted by Target data W B information Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C P ONLY Enter the mode of White Balance the pattern will come out MODEL NAME HEX EDID Table DDC Function HD FHD Model 0001 01 00 Analog Digital Model name MODEL NAME HEX LG TV 00 00 0...

Страница 13: ... have to fit y value by adjusting B Gain and then fit x value by adjusting R Gain In this case increasing decreasing of B Gain and R Gain can be adjusted How to adjust 1 In case G gain more than 172 Adjust R Gain and B Gain less than 192 2 If the G gain value be adjusted down to 172 One of the R B Gain is 254 3 If G Gain is 172 More than one of R B Gain is to be between 192 254 CASE Medium Warm Fi...

Страница 14: ... SET UP menu Refer to below 6 1 Signal Table CMD A0h LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n Delay 20ms 6 2 Command Set Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 6 3 Method ...

Страница 15: ... Prot connection Connection PCBA USB Port USB to Serial Adapter UC 232A RS 232C cable PC RS 232C port Caution LJ21 chassis support only UC 232A driver only use this one 2 CI Key Download Set CI Key path Directory at Start Mac CI Download Programme Com 1 2 3 4 and 115200 Baudrate Port connection button click 1 Start CI Key Download Push the 4 Check the OK or NG 5 GP4_LOW ...

Страница 16: ... 16 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Страница 17: ...d 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY N...

Страница 18: ...N2 10 PGND2 11 LX2 12 BST2 13 COMP2 14 FB2 15 RSET 16 AGND 17 FB1 18 COMP1 19 BST1 20 LX1 21 PGND1 22 VIN1 23 V7V 24 SS1 5 SW_EN 8 SW_IN 6 NFAULT 4 ROSC SYNC 2 EN1 25 EP R417 39K 1 R416 5 1K 1 R472 3 3K USB1_CTL_Pull_Down R473 30K OPT 19V 19V R479 20K R475 68 3 5V_ST IC402 MP2315GJ 3 SW 2 IN 4 GND 1 AAM 5 BST 6 EN SYNC 7 VCC 8 FB C470 10uF 25V C475 0 1uF 50V C474 0 1uF 25V C472 0 1uF 25V C473 10uF...

Страница 19: ...6 11 LS5 12 NC_2 13 LGND 14 LS4 15 LS3 16 LS2 17 LS1 18 RT 19 COMP 20 RSS 21 NDRV 22 CS 23 VREF 24 VIN 25 EP GND R535 100 R534 10K R536 100 BLU_CURRENT_CTL R549 100 C502 0 1uF 50V OPT R519 10K OPT R537 100 R547 100 R531 100K 1 R528 1K 1 19V ZD500 33V R541 100 C518 100pF 50V R520 10K C521 1000pF 50V R538 100 R524 100K C500 47uF 25V L502 33uH C528 4700pF 50V TR501 MMBT3904 NXP E B C P500 SMAW200 04 ...

Страница 20: ...RK OF THE SCHEMETIC 150112 USB_S1 7 L15 5_ECI_M1A D700 RCLAMP0502BA OPT SIDE_USB1_DM SIDE_USB1_DP C700 22uF 10V USB_HDD_CAP1_22uF ZD700 5V OPT SD05 C701 5pF 50V OPT C702 5pF 50V OPT C703 22uF 10V USB_HDD_CAP2_22uF 5V_USB C700 1 10uF 10V USB_HDD_CAP1_10uF C703 1 10uF 10V USB_HDD_CAP2_10uF R700 2 2 R701 2 2 JK700 US 04A VSD 1 2 3 4 5 C704 22uF 10V OPT USB Copyright ⓒ 2015 LG Electronics Inc All righ...

Страница 21: ...ET_HDMI_4 R814 33 DDC_SCL_4 DDC_SCL_4 R807 2 7K R813 3 3K D805 IP4294CZ10 TBR ESD_HDMI_TMDS 1 8 2 7 3 6 4 5 9 10 5V_HDMI_4 D801 1 MMBD6100 HDMI_DIODE_SUZHOU A2 C A1 D806 IP4294CZ10 TBR ESD_HDMI_TMDS 1 8 2 7 3 6 4 5 9 10 D2 _HDMI4 HDMI_CEC 5V_Normal CK _HDMI4 VA810 ESD_HDMI AR803 5 1 5V_HDMI_4 R806 2 7K HDMI_ARC JK801 EAG59023302 14 NC 13 CE_REMOTE 5 D1_GND 20 GND 12 CK 11 CK_GND 2 D2_GND 19 HP_DET...

Страница 22: ... B_DDR3_DQL 4 C20 B_DDR3_DQL 5 C14 B_DDR3_DQL 6 B21 B_DDR3_DQL 7 B15 B_DDR3_DQU 0 F18 B_DDR3_DQU 1 D19 B_DDR3_DQU 2 D17 B_DDR3_DQU 3 E21 B_DDR3_DQU 4 E19 B_DDR3_DQU 5 D20 B_DDR3_DQU 6 D18 B_DDR3_DQU 7 F20 ZQ E9 IC101 2 LGE2136 256M M1A_256M_AVS B_DDR3_A 0 E11 B_DDR3_A 1 F12 B_DDR3_A 2 D10 B_DDR3_A 3 B10 B_DDR3_A 4 E15 B_DDR3_A 5 B11 B_DDR3_A 6 F14 B_DDR3_A 7 C11 B_DDR3_A 8 D14 B_DDR3_A 9 A12 B_DDR...

Страница 23: ...ASH 140721 13 L15 5_ECI_M1A SPI_SCK 3 5V_ST 3 5V_ST C1300 0 1uF 16V R1301 4 7K OPT SPI_CS SPI_SDO R1302 33 R1300 10K OPT SPI_SDI FLASH_WP 3 5V_ST IC1300 MX25L8035EM2I 10G SPI_FLASH_MACRONIX 3 WP SIO2 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 NC SIO3 8 VCC IC1300 1 W25Q80DVSSIG SPI_FLASH_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC Serial Flash for SPI boot Copyright ⓒ 2015 LG...

Страница 24: ...ACK RXA2 RXA2 RXA3 RXACK RXA1 RXA3 RXA0 RXA1 RXACK RXA0 R1801 0 OPT P1801 10031HR 30 MO_HD 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 C1800 0 1uF 25V R1812 0 OPT P1800 SP14 11592 01 51Pin MO_FHD 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 43 44 45 46 47 48 49 50 51 52 C1801 10uF 25V AR...

Страница 25: ...T C1903 10uF 10V CI_SLOT PCM_A 12 CI_ADDR 12 CI_MISTRT AR1903 33 CI_SLOT CI_MCLKI PCM_A 9 CI_TS_CLK C1901 0 1uF CI_SLOT GND CI_ADDR 10 AR1907 33 CI_SLOT AR1904 33 CI_SLOT CI_IORD CI_TS_DATA 4 CI_MDI 5 CI_MDI 3 AR1900 33 CI_SLOT R1911 10K CI_SLOT R1913 10K CI_SLOT PCM_REG R1919 10K CI_SLOT PCM_RST AR1901 33 CI_SLOT R1908 10K CI_SLOT CI_MCLKI FE_TS_DATA 0 7 PCM_D 0 7 R1912 100 CI_SLOT PCM_A 7 CI_MDI...

Страница 26: ...NB_OUT C2711 0 22uF 25V LNB DEMOD_SCL DEMOD_SDA C2701 18pF 50V LNB C2714 18pF 50V LNB C2702 33pF 50V LNB R2703 36K 1 16W 1 LNB R2706 0 D2703 30V SS23L LNB D2702 30V SS23L LNB L2702 15uH LNB LPH6050T 150M R IC2701 DT1803 LNB_DMB 1 NC_1 3 NC_2 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 PGND 18 NC_3 19 NC_4 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP IC2701 1 A8303SESTR T...

Страница 27: ...ART C2812 10uF 16V SCART 12V C2808 0 1uF 50V SCART R2841 33K SCART C2804 10uF 16V SCART DTV MNT_L_OUT SCART1_Rout C2806 330pF 50V SCART R2836 10K SCART R2835 5 6K SCART R2839 10K SCART R2832 470K OPT C2811 330pF 50V SCART R2842 220K SCART R2840 5 6K SCART SCART1_Lout R2834 33K SCART R2831 2 2K SCART JK2800 PSC008 01 SCART 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 ...

Страница 28: ... WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2014 05 22 LAN 30 L14_CA_M1A EPHY_RN EPHY_TP EPHY_RP EPHY_TN H W option ETHERNET ETHERNET Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 29: ...V_DEMOD C3737 10uF 10V T2 AR3700 0 1 16W T2 AR3701 0 1 16W T2 AR3702 0 1 16W T2 L3704 UBW2012 121F C3714 0 1uF 16V C3713 100pF 50V T2 1 2V_DEMOD R3719 10 T2 R3716 1K TU_NON_ATSC R3739 TU_I2C_NON_FILTER 33 R3714 0 R3723 3 3K T2 R3738 TU_I2C_NON_FILTER 33 R3736 0 T2 R3734 22K 1 T2 R3717 1K TU_NON_ATSC R3709 10 TU_NON_ATSC R3710 10 TU_NON_ATSC R3737 1 T2 R3733 12K 1 T2 C3725 1uF 10V T2 R3707 0 T2 C37...

Страница 30: ...4000 0 33uF R4006 1K R4001 4 7K OPT P4000 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 R4004 0 D4001 30V CDS3C30GTH OPT D4000 30V CDS3C30GTH OPT R4005 0 3 5V_ST IR_OUT R4002 100 C4002 0 1uF PM_RXD R4000 4 7K OPT C4004 0 1uF R4003 100 IC4000 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 C4003 0 1uF PM_TXD C4005 0 1uF L4000 BLM...

Страница 31: ...015 01 12 47 L15 5_CI_M1A R4602 3 3K R4601 1 8K VR4602 OPT Q4701 2SC3052 E B C KEY2 KEY1 R4700 1K 3 5V_ST ZD4601 5V OPT 3 5V_ST C4605 100pF 50V R4702 1K C4602 1000pF 50V OPT 3 5V_ST LED_R BUZZ R4703 33K C4604 0 1uF 16V OPT 3 5V_ST IR 3 5V_ST R4701 10K C4601 0 1uF 16V Q4700 2SC3052 E B C P4602 12507WR 06L IR_6P 1 2 3 4 5 6 7 R4606 100 IR_OUT AR4601 10K 1 16W IR OUT TO RS232C IR Copyright ⓒ 2015 LG ...

Страница 32: ... COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2015 02 27 50 EU L15 5_CI_M1A R5005 33 R5004 68 C5007 0 047uF SC1_R COMP1_Pr C5004 0 047uF C5003 0 047uF R5003 33 R5006 68 C5006 0 047uF R5002 68 C5005 0 047uF C5002 0 047uF SC1_G COMP1_Y R5007 33 BIN0M BIN0P GIN0M GIN0P RIN0M RIN0P SC1_B COMP1_Pb Close to MSTAR CAPTION OPT SCART Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for trainin...

Страница 33: ...I O2 32 I O3 33 NC_20 34 NC_21 35 NC_22 36 VSS_2 37 VCC_2 38 NC_23 39 NC_24 40 NC_25 41 I O4 42 I O5 43 I O6 44 I O7 45 NC_26 46 NC_27 47 NC_28 48 NC_29 17 ALE 3 NC_3 6 NC_6 16 CLE 15 NC_10 14 NC_9 13 VSS_1 12 VCC_1 11 NC_8 10 NC_7 9 CE 8 RE 7 R B 4 NC_4 5 NC_5 25 NC_16 24 NC_15 23 NC_14 2 NC_2 22 NC_13 21 NC_12 1 NC_1 20 NC_11 19 WP 18 WE IC101 1 LGE2133 128M M1A_128M_UO4 GPIO78 Y1 GPIO79 W4 I2C_...

Страница 34: ...DR1_CMD K13 AVDD_DDR0_D_1 C5 AVDD_DDR0_D_2 K12 AVDD_DDR0_D_3 L12 AVDD_DDR1_D_1 C6 AVDD_DDR1_D_2 K14 AVDD_DDR1_D_3 L14 AVDD_DRAM_1 B5 AVDD_DRAM_2 B6 AVDD_DVI_USB_MPLL_1 R8 AVDD_DVI_USB_MPLL_2 R9 AVDD_MOD_1 L7 AVDD_MOD_2 L8 AVDD_NODIE P8 AVDD_PLL K9 AVDD3P3_DMPLL R5 AVDDL_MOD P11 DVDD_DDR_1 C7 DVDD_DDR_2 M13 DVDD_NODIE R6 DVDD_RX_1_1 A7 DVDD_RX_1_2 M12 DVDD_RX_2_1 B7 DVDD_RX_2_2 M14 VDDC_1 N11 VDDC_...

Страница 35: ... 1uF C5629 50V R5613 4 7K AUD_LRCH R5607 4 7K AUD_LRCK R5610 5 6 1 10W C5624 1uF 10V SPK_R AMP_RESET C5605 1uF 10V C5615 0 1uF 50V C5602 33pF 50V C5604 1uF 10V C5622 390pF 50V 0 1uF C5631 50V R5606 100 1 16W C5625 1uF 10V C5627 0 47uF 50V C5601 0 1uF 50V 19V C5600 0 1uF 50V OPT 19V_AMP L5600 UBW2012 121F IC5600 NTP7515 3 NC_2 2 VDD_PLL 4 GND 1 NC_1 6 DVDD 5 NC_3 7 SDATA 8 WCK 9 NC_4 10 SDA 11 SCL ...

Страница 36: ......

Страница 37: ...TROUBLE SHOOTING GUIDE Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 38: ... viewing power auto on off 8 8 C Audio error No audio Normal video 9 9 Wrecked audio discontinuation noise 10 10 D Function error Remote control Local switch checking 11 11 External device recognition error 12 12 E Noise Circuit noise mechanical noise 13 13 F Exterior error Exterior defect 14 First of all Check whether there is SVC Bulletin in GCSC System for these model Contents of Standard Repai...

Страница 39: ... replacing the Main Board Replace Main Board Re enter White Balance value Precaution A4 A1 A2 A3 A6 First of all Check whether all of cables between board is inserted properly or not Main B D Adaptor LVDS Cable Speaker Cable IR B D Cable Normal Audio On Y N Normal Voltage Normal Voltage Y N Y N Error Symptom A Video Error Established date 1 14 Content No video Normal audio Revised date Standard Re...

Страница 40: ... parts Replace Adaptor Normal Voltage Y N Error Symptom A Video Error Established date 2 14 Content No video No audio Revised date Standard Repair Process A13 Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 41: ...tics menu on OSD Menu Customer Support red button on remote control Signal Test Signal strength Normal over 50 Signal quality Normal over 50 Y Contact with signal distributor or broadcaster Cable or Air N N Y N A6 End Normal Signal Normal Picture Normal Picture Normal Picture SVC Bulletin End End Normal Picture Error Symptom A Video Error Established date 3 14 Content Tuning fail Picture broken fr...

Страница 42: ...ite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Contact with signal distributor or broadcaster Cable or Air N Check Tuner soldering Replace Main B D Normal Picture Normal Picture Normal Setting SVC Bulletin Normal Signal End End Error Symptom A Video Error Established date 4 14 Content Tuning fail Picture broken freezing Revised date Standard Repair Proc...

Страница 43: ...Main B D N A7 N Y Replace module Request repair for external device cable Check Test pattern A10 A8 A9 End Color error Color error External device Cable Normal External Input Compon ent HDMI error Error Symptom A Video Error Established date 5 14 Content Color error Revised date Standard Repair Process Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LG...

Страница 44: ...Replace Main B D Check screen condition by input External Input Component AV HDMI Request repair for external device Check S W Version Y N S W Upgrade Y N Y N Replace Main B D Replace Module A7 A8 A9 Check Test pattern N End Screen normal Screen normal Screen normal Screen normal Screen normal End End Check Version Normal Screen External Input error Error Symptom A Video Error Established date 6 1...

Страница 45: ...D N Y Check ST BY 3 5V N Replace Adaptor or Replace Main B D Y A11 A16 Stand By Red Power LED On Normal Voltage Normal Operati on Error Symptom B Power Error Established date 7 14 Content No power Revised date Standard Repair Process End Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ...REC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROFF_UNKNOWN Power off by unknown status except listed case Abnormal POWEROFF_ABNORMAL1 Power off by abnormal status except CPU trouble POWEROFF_CPUABNORMAL Power off by CPU Abnormal Please refer to the all cases which can be displayed on power off mode Adaptor DC Out CPU ...

Страница 47: ...Replace Speaker or Main B D Connec tion Error Symptom C Audio Error Established date 9 14 Content No audio Normal video Revised date Standard Repair Process A15 Normal Audio End Y N Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ...Replace Main B D N A13 End Signal Normal Normal Voltage Normal Audio Wrecked Audio Discontinuation Noise for all audio Wrecked Audio Discontinuation Noise only for D TV Wrecked Audio Discontinuation Noise only for Analog Wrecked Audio Discontinuation Noise only for External Input N Replace Main B D Error Symptom C Audio Error Established date 10 14 Content Wrecked audio Discontinuation Noise Revis...

Страница 49: ...Main B D A16 N N Check Voltage 19V of Adaptor A13 Check IR Output signal N Y Replace IR B D N A16 Replace Main B D Y A16 End Normal Operating Normal Voltage Normal Signal Normal Operating Normal Operating End Y Error Symptom D Function Error Established date 11 14 Content Remote control Local switch checking Revised date Standard Repair Process Copyright ⓒ 2015 LG Electronics Inc All right reserve...

Страница 50: ...al information Signal Input Technical information External Input and Component Recognition error HDMI Recognition error Error Symptom D Function Error Established date 12 14 Content External device recognition error Revised date Standard Repair Process Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 51: ... 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 Circuit noise Mechanical noise Error Symptom E Noise Established date 13 14 Content Circuit noise Mechanical noise Revised ...

Страница 52: ...nd Standard Repair Process Module damage Cabinet damage Remote Control damage Stand damage Error Symptom F Exterior Defect Established date 14 14 Content Exterior defect Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 53: ...ing method A6 9 A Video error_Color error connection diagram A7 10 Check Link Cable LVDS reconnection condition A8 A9 11 Adjustment Test pattern ADJ Key A10 12 13 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Board 1 A 1 5 14 Exchange T Con Board 2 A 2 5 15 Exchange LED driver Board PSU A 3 5 Exchange Module itself 1 A 4 5 16 17 Exchange Module itself 2 A 5 5 First of all C...

Страница 54: ...14 22 C Audio error_No audio Normal video Checking method in menu when there is no audio A15 16 23 D Function error_ No response in remote control key error remote control operation checking method A17 Contents of Standard Repair Process Detail Technical Manual First of all Check whether there is SVC Bulletin in GCSC System for these model Copyright ⓒ 2015 LG Electronics Inc All right reserved Onl...

Страница 55: ... back case check lighting Error Symptom A Video Error No Video Normal Audio Established date A1 Content Check Back Light On with Naked eye Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 56: ...ing to LED backlight from Main B D Error Symptom A Video Error No Video Normal Audio Established date A2 Content Main Board to back light Voltage Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 57: ...emp Cool Medium Warm re enter the value after replacing the MAIN BOARD Standard Repair Process Detail Technical Manual Error Symptom A Video Error No Video Normal Audio Established date A3 Content Check White Balance value Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ...Symptom A Video Error No Video Normal Audio Established date A4 Content Power Voltage Measuring Method Revised date HD Model 27 30 pin FHD Model 48 51 pin Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ...0dB 15dB 20dB etc Standard Repair Process Detail Technical Manual Error Symptom A Video Error Video lag stop Established date A5 Content Tuner Input Signal Strength Checking Method Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...adjustment Press the IN START with the remote control for adjustment Error Symptom A Video Error No Video Normal Audio Established date A6 Content Version Checking Method Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...reen condition by signal Jack spec depending on Model Error Symptom A Video Error Vertical Horizontal bar Residual Image Light spot Established date A7 Content connection diagram Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...ocess Detail Technical Manual Error Symptom A Video Error Color Error Established date A8 A9 Content Check and replace Link Cable LVDS and contact condition Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...l 2 Residual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D Error Symptom A Video Error Color Error Established date A10 Content Adjustment Test Pattern ADJ Key Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ...n Solder defect CNT Broken Solder defect CNT Broken Solder defect CNT Broken Abnormal Power Section Solder defect Short Crack Abnormal Power Section Solder defect Short Crack Appendix Exchange T Con Board 1 Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ...wer Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...rosstalk Crosstalk Press damage Press damage Un repairable Cases In this case please exchange the module Press damage Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ...ock Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 Un repairable Cases In this case please exchange the module Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ...Front LED control Menu Option Standby Light On Off Error Symptom B Power Error No Power Established date A11 Content Check front Display LED Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 69: ...ltage 19V of Adaptor Power Error Symptom B Power Error No Power Established date A12 A13 Content Checking Method When Power is ON Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 70: ...tem 3 Standard Repair Process Detail Technical Manual Error Symptom B Power Error Off when on off whiling viewing Established date A14 Content Power off Mode checking method Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...r Check ALL MODELS Standard Repair Process Detail Technical Manual Error Symptom C Audio Error No Audio Normal Video Established date A15 Content Checking method in menu when there is no audio Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 72: ...l Technical Manual Error Symptom C Audio Error No Audio Normal Video Established date A16 Content Checking method in menu when there is no audio Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 73: ...e Analog Tester needle moves slowly and defective when it does not move at all Standard Repair Process Detail Technical Manual P4600 Sub Ass y Main Ass y Error Symptom D Function Error No Response in remote control Key error Established date A17 Content remote control operation checking method Revised date Copyright ⓒ 2015 LG Electronics Inc All right reserved Only for training and service purpose...

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