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THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL 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 SYMBOL MARK OF THE SCHEMETIC.

R2302

33

LNB

LNB_TX

L2301

33UH

SP-7850_33

LNB

C2324

68uF

35V

LNB

C2303
0.1uF
50V

LNB

R2303

0

LNB

+3.3V_Normal

C2304 0.1uF

LNB

SCL1_3.3V

C2305

68uF

35V

LNB

D2301

40V

SMAB34

LNB

C2310

27pF

OPT

DCDC_GND

L2302

BLM18PG121SN1D

LNB

A_GND

LNB_OUT

C2308

0.22uF

LNB

+12V

+12V_LNB

D2304

40V

SMAB34

LNB

A_GND

DCDC_GND

C2312
0.1uF
50V

LNB

A_GND

A_GND

A_GND

D2303

40V

SMAB34

LNB

R2314

0

C2309

27pF

OPT

DCDC_GND

+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_GND

C2306

22000pF

LNB

C2301

0.22uF

25V

IC2301

A8290SETTR-T

LNB

1

BOOST

3

TCAP

7

TDI

9

VREG

10

SDA

11

ADD

12

SCL

13

NC_2

14

IRQ

15

NC_3

16

NC_4

17

NC_5

18

NC_6

19

BFC

20

NC_7

21

NC_8

22

BFO

23

NC_9

24

BFI

25

VIN

26

LX

27

GNDLX

28

LNB

5

TDO

8

GND

6

EXTM

4

NC_1

2

VCP

29

[EP]

D2302

1000V

US1M(suzhou)

LNB

R2313

0

DCDC_GND and A_GND are connected in pin#27

LNB

Input trace widths should be sized to conduct at least 3A

close to Boost pin(#1)

57

DVB-S2 LNB Part Allegro

23

close to VIN pin(#25)

2A

DCDC_GND and A_GND are connected

3A

Ouput trace widths should be sized to conduct at least 2A

BCM35230

2.4A

Max 1.3A

(Option:LNB)

PCB_GND and A_GND are connected

2010.11.02

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

Only for training and service purposes

LGE Internal Use Only

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Содержание 55LW980S

Страница 1: ... READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD12D MODEL 55LW980S 55LW980S ZA 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 MFL67002340 1108 REV00 ...

Страница 2: ... Only Copyright 2011 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 17 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: ...ries England Italy Germany France Spain Sweden Finland Netherlands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithuania Rumania Russia Slovakia DTV MPEG2 4 DVB T2 6 countries England Denmark Sweden Finland Norway Ireland DTV MPEG2 4 DVB C 14 countries Slovenia Poland Hungary Swiss Austria France...

Страница 5: ... s Modulation 16QAM 64 QAM 128 QAM and 256 QAM G DVB S Symbolrate DVB S2 8PSK QPSK 2 45 Msymbol s DVB S QPSK 2 45 Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 23 3 4 3 5 4 5 5 6 8 9 9 10 4 Scart Gender Jack 1EA PAL SECAM Scart Jack is Full scart and support MNT DTV OUT not support DTV Auto AV 5 Video Input RCA 2EA PAL SECAM NTSC System PAL SECAM NTSC PAL60 Rear 1EA AV gender ja...

Страница 6: ... HDTV 720p 8 1280x720 44 96 59 94 HDTV 720p 9 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 Remarks 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...

Страница 7: ... 6 1920 1080 67 5 60 0 138 625 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 28 125 50 00 74 25 HDTV 1080I ...

Страница 8: ...Bottom 8 1920 1080 33 75 60 74 25 HDTV 1080i Side by Side half Top and Bottom HDMI 3D Top and Bottom 9 1920 1080 28 125 50 74 25 HDTV 1080i Side by Side half Top and Bottom HDMI 3D Top and Bottom 10 1920 1080 27 24 74 25 HDTV 1080P Side by Side half Top and Bottom Checkerboard HDMI 3D Top and Bottom 11 1920 1080 33 75 30 89 1 HDTV 1080P Side by Side half Top and Bottom Checkerboard 12 1920 1080 67...

Страница 9: ...ining and service purposes 7 3D Input mode 6 RGB Input No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 3D input proposed mode 1 1920 1080 66 587 59 934 74 25 HDTV 1080P Side by Side Top Bottom No Side by Side Top Bottom Checkerboard Single Frame Sequential Frame Packing 2D to 3D 1 ...

Страница 10: ...is needed to find the optimum black level and gain in Analog to Digital device and to compensate RGB deviation If Adjust ADC is OTP It doesn t need ADC adjustment GP3 BCM 2 Equipment Condition 1 Jig RS 232C protocol 2 MSPG 925 Series Pattern Generator MSPG 925FA pattern 65 Resolution 480i Comp1 1080P Comp1 1920 1080 RGB Pattern Horizontal 100 Color Bar Pattern Pattern level 0 7 0 1 Vp p Image 3 Ad...

Страница 11: ...odel name Serial number Download 1 Model name Serial number D L A Press Power on key of service remote control Baud rate 115200 bps A Connect RS232 Signal Cable to RS 232 Jack A Write Serial number by use RS 232 A Must check the serial number at Instart menu 2 Method notice A Serial number D L is using of scan equipment B Setting of scan equipment operated by Manufacturing Technology Group C Seria...

Страница 12: ... select 12 EDID D L By pressing Enter key enter EDID D L menu 2 Select Start button by pressing Enter key HDMI1 HDMI2 HDMI3 HDMI4 RGB are Writing and display OK or NG 4 EDID DATA A HDMI A RGB CMD 1 CMD 2 Data 0 A A 0 0 CMD 1 CMD 2 Data 0 C I 1 0 CMD 1 CMD 2 Data 0 A A 0 0 CMD 1 CMD 2 Data 0 C I 2 0 CI key Value H freq kHz V freq Hz Transmission A I Set ID 20 Cr O K X or NG 0x00 0x01 0x02 0x03 0x04...

Страница 13: ...0_DD Ack A_00_okDDX A RS 232C Command used during auto adj Ex wb 00 00 Begin white balance auto adj wb 00 10 Gain adj ja 00 ff Adj data jb 00 c0 wb 00 1f Gain adj completed wb 00 20 Start wb 00 2f completed Off set adj wb 00 ff End white balance auto adj A Adj Map Model Name HEX EDID Table DDC Function ALL 0001 0100 Analog 0001 0100 Digital MODEL MODEL NAME HEX all 00 00 00 FC 00 4C 47 20 54 56 0A...

Страница 14: ... 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10 cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status during 5 Minutes In case of LCD Back light on should be checked using no signal or Full white pattern 4 3 6 Reference White Balance Adj coordinate and temperature A Luminance ...

Страница 15: ... 4 Press exit key 4 7 Magic Motion Remote control test Equipment RF Remote control for test IR KEY Code Remote control for test You must confirm the battery power of RF Remote control before test recommend that change the battery per every lot Sequence test 1 if you select the start key Mute on the controller you can pairing with the TV SET 2 You can check the cursor on the TV Screen when select t...

Страница 16: ... and the stopper will allow the pallet to move on to next process 5 2 Checkpoint TEST voltage GND 1 5 KV min at 100 mA SIGNAL 3 KV min at 100 mA TEST time 1 second TEST POINT GND TEST POWER CORD GND SIGNAL CABLE METAL GND Internal Pressure TEST POWER CORD GND LIVE NEUTRAL LEAKAGE CURRENT At 0 5 mArms 6 Audio Measurement condition 1 RF input Mono 1 KHz sine wave signal 100 Modulation 2 CVBS Compone...

Страница 17: ...ODED 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 permi...

Страница 18: ...8 TXOUT0_L2N AG27 TXOUT0_L2P AG28 TXCLK_LN AE26 TXCLK_LP AF26 TXOUT0_L3N AH27 TXOUT0_L3P AG26 TXOUT0_L4N AF25 TXOUT0_L4P AE25 TXOUT0_U0N AH26 TXOUT0_U0P AG25 TXOUT0_U1N AE24 TXOUT0_U1P AD24 TXOUT0_U2N AH25 TXOUT0_U2P AF24 TXCLK_UN AE23 TXCLK_UP AD23 TXOUT0_U3N AG24 TXOUT0_U3P AF23 TXOUT0_U4N AC22 TXOUT0_U4P AD22 TXOUT1_L0N AG23 TXOUT1_L0P AH23 TXOUT1_L1N AE22 TXOUT1_L1P AE21 TXOUT1_L2N AF22 TXOUT1...

Страница 19: ...ATD_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 MPEG_D_5 GPIO P1 MPEG_D_6 GPIO R6 MPEG_D_7 GPIO N5 MPEG_SYNC GPIO T4 MPEG_DATA_EN GPIO P5 MCIF_RESET GPIO R4 MCIF_SCLK GPIO U1 MCIF_SCTL GPIO T3 MCIF_SDI GPIO T1 MCIF_SDO GPIO T5 VI_IFP0 C17 VI_IFM0 B17 VDDR_AGC D15 AGC_SDM_2 B16 AGC_SDM_1 A16 GPIO_0 A15 ...

Страница 20: ...S4 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 B15 SPDIF_INC_N C15 SPDIF_IND_P C14 SPDIF_IND_N B14 I2SSCK_IN GPIO G4 I2SWS_IN F4 I2SSD_IN GPIO G5 AADC_LINE_L1 C25 AADC_LINE_R1 B24 AADC_INCM1 A24 AADC_LINE_L2 E22 AADC_LINE_R2 E23 AADC_INCM2 D23 AADC_LINE_L3 C24 AADC_LINE_R3 C23 AADC_INCM3 B23 AADC_LINE_L4 E21 AADC_LINE_R...

Страница 21: ..._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_CKA01_N W28 DDR_CKA23_P N28 DDR_CKA23_N N27 DDR_VREFA U23 DDR_RST_N AA23 DDR_ZQ W26 C421 2 2uF C403 2 2uF C407 2 2uF NFM18PS105R0J C410 6 3V OUT IN GND NFM18PS105R0J C432 6 3V OUT IN GND NFM18PS105R0J C433 6 3V OUT IN GND NFM18PS105R0J C402 6 3V OUT IN GN...

Страница 22: ... 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 8 P73 KR3 9 P72 KR2 10 P71 KR1 11 P70 KR0 12 P32 INTP3 OCD1B 13 P31 INTP2 OCD1A 14 P30 INTP1 15 P17 TI50 TO50 16 P16 TOH1 INTP5 17 P15 TOH0 18 P14 RXD6 19 P13 TXD6 20 P12 SO10 21 P11 SL10 RXD0 22 P10 SCK10 TXD0 23 AVREF 24 AVSS 25 ANI7 P27 26 ANI6 P26 27 ANI5 P25 28 ANI...

Страница 23: ..._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_SDA_1 DDC_SDA_1 D2 _HDMI3 HDMI_HPD_4 D0 _HDMI1 R720 4 7K C712 0 1uF 16V DDC_SDA_2 C713 0 1uF 16V 3 3V_HDMI 5V_HDMI_1 C715 0 1uF 16V OPT JK702 RSD 105156 100 EAG62611201 14 NC 13 CE_REMOTE 5 D1_GND 20 BODY_SHIELD 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 ...

Страница 24: ... 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 L804 BG2012B080TF 3 3V_Normal RGB_DDC_SCL PC_R_IN JK805 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 C818 1uF 10V HP_LOUT Q801 2SC3052 E B C C816 1uF 10V C823 2 2uF 10V DSUB_G D810 KDS184 A2 C A1 D804 30V R813 75 C821 1uF 10V R812 75 HP_LOUT_P 3 3V_Normal R814 2 7K C813...

Страница 25: ...8 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 R918 47K WIRELESS L902 BLM18PG121SN1D 3 3V_Normal D907 5 6V AMOTECH R912 47K WIRELESS R921 47K COMMERCIAL P901 12507WR 15L IR_15P 1 EEPROM_SCL 2 EEPROM_SDA 3 GND 4 KEY1 5 KEY2 6 3 5V 7 GND 8 LED_B LOGO 9 IR 10 GND 11 3 3V 12 LED_R BUZZ 13 GND 14 S T_SCL 16 ...

Страница 26: ...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 INTERRUPT 3 VCC 24V 20V 17V _3 16 UART_TX 7 DETECT 6 VCC 24V 20V 17V _1 15 UART_RX 20 GND_6 21 SHIELD WIRELESS_SDA D1002 5 6V CDS3C05HDMI1 WIRELESS WIRELESS_SCL R1002 22K WIRELESS C1002 2 2uF WIRELESS R1003 2 2K WIRELESS Q1001 WIRELESS MMBT3904 NXP E B C WIRE...

Страница 27: ...1101 5 6V C1108 560pF 50V C1114 560pF 50V COMP2 C1109 560pF 50V AV1_CVBS_IN SC_G COMP2_Y R1129 1K AV2 R1126 75 COMP2 AV1_R_IN D1112 5 6V COMP2 AV2_L_IN R1111 470K ZD1112 5 1V R1110 470K D1105 5 6V R1123 470K COMP2 R1127 2 7K COMP2 R1125 75 COMP2 COMP1_DET SC COMP2_L_IN R1122 470K COMP2 ZD1106 5 1V COMP2 R1121 0 COMP2 SC_R COMP2_Pr C1110 560pF 50V AV2_CVBS_DET R1140 10 AV2 C1107 560pF 50V SC_DET CO...

Страница 28: ...208 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_CTL1 R1206 100K WIFI USB_DP1 C1204 1uF 10V WIFI WIFI_DM R1226 0 NON_WIFI 5V_USB WIFI_DP SIDE_USB_DM USB_DP1 P1201 12507WR 04L WIFI 1 VDD 2 DM 3 DP 4 GND 5 L1203 BLM18PG121SN1D WIFI WIFI_DM R1221 4 7K OPT 3 3V_USB R1212 100K OPT C1210 0 1uF WIFI USB_DM2 R1...

Страница 29: ...R1322 2 7K M_REMOTE 3D_GPIO_1 3D_GPIO_0 M_REMOTE_RX R1325 22 3D_M_REMOTE M_RFModule_RESET 3D_GPIO_2 R1321 2 7K M_REMOTE 3 3V_Normal P1302 12507WR 12L M_REMOTE 1 3 3V 2 GND 3 RX 4 TX 5 RESET 6 DC 7 DD 8 GND 9 GPIO_0 10 GPIO_1 11 GPIO_2 12 3D_SYNC 13 3 3V_Normal R1317 100 M_REMOTE R1323 2 7K M_REMOTE L1303 120 ohm M_REMOTE R1318 100 M_REMOTE R1316 100 M_REMOTE R1324 22 3D_M_REMOTE DC_MREMOTE M_REMOT...

Страница 30: ...V 2 5V_BCM35230 EPHY_TDN EPHY_ACTIVITY EPHY_LINK D1403 5V LAN_ESD D1405 5V LAN_ESD D1401 5 5V LAN_ESD D1404 5 5V LAN_ESD D1402 5 5V LAN_ESD D1406 5 5V LAN_ESD R1401 240 R1402 240 JK1401 XRJH 01A 4 DA7 180 LG B 1 P1 CT 2 P2 TD 3 P3 TD 4 P4 RD 5 P5 RD 6 P6 CT 7 P7 8 P8 12 SHIELD 9 P9 11 P11 10 P10 GND D1 YL_C D2 YL_A D3 GN_C D4 GN_A DUAL COMPONENT D1401 D1402 D1403 D1404 D1405 D1406 14 ETHERNET Ethe...

Страница 31: ...S_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_SEL_LOW TXB0N TXC0P TXACLKN TXD0N C1501 10uF 25V OPT TXC1P TXC3N TXB1P TXC2P TXC0N TXBCLKP TXC4N TXCCLKP TXA1P TXD1P TXDCLKN SDA2_3 3V TXCCLKN TXBCLKN R1507 33 FRC2 TXD0P TXB4N TXB2P TXC4P TXD4P TXA1N TXB4P TXD3N R1506 33 FRC2 TXB1N TXA0P R1508 33 FRC...

Страница 32: ...TURES 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 R1601 33 LPB_42 47 55 L DIM0_MOSI L DIM0_SCLK L DIM0_VS P1601 12507WR 08L L Dim Wafer 1 2 3 4 5 6 7 8 9 50 BCM35230 16 L_DIMMING Local Dimming Block Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 33: ...ASTER_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 50V C1810 10uF 10V OPT 0 1uF C1832 16V AUD_LRCK C1869 0 47uF 50V WOOFER C1813 33pF 50V NTP_WOOFER AUD_SCK C1817 10uF 10V OPT C1856 1uF 25V SPK_WOOFER_L 0 1uF C1879 50V D1803 100V 1N4148W OPT C1864 390pF 50V 24V_AMP C1858 1uF 25V 3 5V_ST C1866 390pF 50V 24V_AMP 0 1uF C1874 ...

Страница 34: ...K 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 R1937 62 CI R1959 22 CI PCM_MCLKI PCM_TS_SYNC C1904 0 1uF CI CI_MIVAL_ERR CI_ADDR 13 CI_MISTRT R1947 22 CI PCM_ADDR 4 PCM_MDI 0 7 PCM_ADDR 9 3 3V_CI R1931 22 CI CI_ADDR 12 R1918 22 OPT R1903 22 CI PCM_MIVAL_ERR R1939 10K CI PCM_ADDR 12 PCM_ADDR 12 IC1903 74L...

Страница 35: ... D4 28 D5 29 D6 30 D7 31 SHIELD TU2202 4 TDFR C056D CN_VERTIAL_LG3911 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC RF_AGC 5 NC_1 6 SCLT 7 SDAT 8 NC_2 9 SIF 10 NC_3 11 VIDEO 12 GND 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 5 TDFR C036D CN_HORIZONTAL_LG3911 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC RF_AGC...

Страница 36: ...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_GND C2306 22000pF LNB C2301 0 22uF 25V IC2301 A8290SETTR T LNB 1 BOOST 3 TCAP 7 TDI 9 VREG 10 SDA 11 ADD 12 SCL 13 NC_2 14 IRQ 15 NC_3 16 NC_4 17 NC_5 18 NC_6 19 BFC 20 NC_7 21 NC_8 22 BFO 23 NC_9 24 BFI 25 VIN 26 LX 27 GNDLX 28 LNB 5 TDO 8 GND 6 EXTM 4 NC_1 2 VCP 29 E...

Страница 37: ...LD 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 R2519 1K AUD_OUT R2536 470 EU C2517 100pF 50V EU C2524 47uF 16V EU C2511 0 1uF EU Q2505 RT1P141C T112 EU 1 2 3 D2512 30V OPT R2558 10K OPT C2532 180pF 50V OPT DTV MNT_R_OUT R2514 10K EU SC COMP2_R_IN D2507 5 6V OPT C2519 1000pF 50V EU SCART1_Lout_P C2514 10uF...

Страница 38: ...SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CHBO_TS_SYNC CHBO_TS_SERIAL CHB_RESET CHBO_TS_VAL_ERR CHBO_TS_CLK TS Output 50 28 BCM35230 NON CHB NON CHB Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 39: ...TIC 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_Normal SPK_R _HOTEL AMP_RESET_N R2903 0 CN_HOTEL AUDIO_R Q2901 MMBT3904 NXP CN_HOTEL E B C R2901 200 CN_HOTEL R2902 10K CN_HOTEL 24V_AMP 1ST EBK61012601 2ND 0TRDI80002A DUAL COMPONENT CHINA HOTEL BCM35230 China Hotel Option Q2901 29 Copyright 2011 LG Electroni...

Страница 40: ... 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 3D_SYNC L_VS 36 BCM35230 NON URSA 50 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 41: ...10210 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 MDS62110210 M11 1 GASKET_5 0T MDS62110210 M10 1 GASKET_5 0T MDS62110210 M9 1 GASKET_5 0T MDS62110210 M12 1 GASKET_5 0T MDS62110206 M2 3 GASKET_6 5T MDS62110206 M4 3 GASKET_6 5T MDS62110206 M3 3 GASKET_6 5T MDS62110206 M8 3 GASKET_6 5T MDS62110206 M7 3 GASKET_6 ...

Страница 42: ...10 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 MDS62110210 M14 1 GASKET_5 0T MDS62110209 M15 5 GASKET_8 5T MDS62110206 M14 3 GASKET_6 5T MDS62110208 M15 GASKET_4 5T MDS62110209 M14 5 GASKET_8 5T MDS62110210 M13 1 GASKET_5 0T MDS62110214 M14 6 GASKET_9 5T MDS62110214 M13 6 GASKET_9 5T MDS62110214 M15 6 GAS...

Страница 43: ...ER_16_GND C591 0 1uF 16V C539 10uF 6 3V C594 22uF 10V 560pF C593 50V 10uF C590 10V L517 BLM18PG121SN1D L DIM0_VS L_VS R574 0 POWER_16_URSA_SCAN R573 0 POWER_16_BCM_SCAN R595 4 3K 1 R593 3 9K 1 R592 1K 1 R510 3 4 7K 1 PD_ 18 5V R510 4 5 6K 1 PD_ 20V R511 3 1 21K 1 PD_ 18 5V R511 4 1 3K 1 PD_ 20V R517 100K R516 100K PD_ 18 5_20_24V R512 2 7K 1 PD_ 12V R513 1 21K 1 PD_ 12V R510 8 2K 1 PD_24V R511 1 5...

Страница 44: ......

Страница 45: ...odel XXLW980T W S G ZA XXLW950T W S G ZA XXLW770T W S G ZA XXLW650W S G ZC XXLW570S G XXLW550T W T UK T2 C W Nordic T2 C S Satellite G MHP Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ...pes 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 96Block XXLW980T W S G 47inch H 8 V 9 72Block 55inch H 8 V 12 96Block Reflecting coating w patterns Guiding Layer Light Blocking Pattern Prism sheets DBEF PCB Diffuser plate Copyright 2011 LG Electronics Inc All rights reserved Only...

Страница 47: ...of Module Local dimming depicts more deep black Feature 2 types of LED Edge Model 32inch H 2 V 5 10Block 37inch H 2 V 5 10Block 42inch H 2 V 8 16Block 47inch H 2 V 8 16Block 55inch H 2 V 8 16Block XXLV5500 T W G ZA XXLV570G S ZA XXLW550T W S ZA XXLW650W G S ZA XXLW570G S ZA Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ...g HDMI switch 4 1 Audio AMP 10W 10W XXLW980T W G S ZA XXLW950T W G S ZA XXLW770T W G S ZA wifi Soft touch IR Motion assy Front Spk Woofer Spk Tuner type can be changed by the model name 2 1 0 T W model G S model LNB IC Only G S model 1 2 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ...1 Audio AMP 10W 10W XXLW5500 T W S ZA XXLW650W G S ZA XXLW570G S ZA Soft touch IR Front Spk To T CON BOARD 5 5 URSA5 External FRC 0 T W model G S model 2 1 LNB IC Only G S model 1 2 Main Board without T con b d Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ... HDMI switch 4 1 Audio AMP 10W 10W XXLV5500 T W G ZA XXLV570G S ZA Soft touch IR Front Spk To T CON BOARD 0 T W model name G S model name LNB IC Only G S model 2 1 1 2 Main Board without T con b d Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 51: ... HDMI 1 4 LCD 240Hz Panel DTV SoC LG5811 XTR T con BD Player DTV Main board FRC Sub board 3DTV System Mini LVDS FRC 2D to 3D URSA5 x 2 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...ASH 4Mbit SPI FLASH 4Mbit SPI FLASH 4Mbit SPI_DI SPI_DO CK CS Xin Xout GPIO XOUT Quad link LVDS I2C_SDA I2C_SCL EEPROM 64kbit EEPROM 64kbit EEPROM 64kbit I2C_TCON_SDA I2C_TCON_SCL I2C_SDA I2C_SCL VLCD_POWER 12V FRC_RESET I2C_SDA I2C_SCL Z_OUT Dual link HF mini LVDS 297MHz Dual link HF mini LVDS 297MHz Dual link LVDS 74 25MHz I2C_SDA I2C_SC L VCC_LCM VDD_LCM HVDD P GAMMA IC BUF08630 0xE8 P GAMMA IC...

Страница 53: ...TEM EEPROM X 1 1Mb HDMI S W HDCP EEPROM M Remote Module built in I2C Sub Micom sanyo RGB In CVBS In Out Wireless Ready I2C USB HUB IC Air Cable TUNER T C TUNER S2 DIGITAL DEMOD T C DVB S ANALOG DEMOD DIGITAL DEMOD S2 TS_S P LNB 51P HDMI HUB IC BCM35230 Block Diagram SG LW95 77 LV55 57 USB hub only LW950X DVR ready Only LW950X A V1 Rear T con FRCII Mini LVDS WiFi built in Only LW950X 770X Only LW95...

Страница 54: ...T SYSTEM EEPROM X 1 1Mb HDMI S W HDCP EEPROM M Remote Module built in I2C Sub Micom sanyo RGB In CVBS In Out Wireless Ready I2C USB HUB IC Air Cable TUNER T C TUNER S2 DIGITAL DEMOD T C DVB S ANALOG DEMOD DIGITAL DEMOD S2 TS_S P LNB 51P HDMI HUB IC BCM35230 Block Diagram LW98 USB hub only LW950X DVR ready Only LW950X A V1 Rear T con URSA5 x 2 Mini LVDS WiFi built in Only LW950X 770X Only LW950X 77...

Страница 55: ...I2 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 I2C Sub Micom NEC RGB In CVBS In Out Wireless Ready I2C Air Cable TUNER T C TUNER S2 DIGITAL DEMOD T C DVB S ANALOG DEMOD DIGITAL DEMOD S2 TS_S P LNB 51P HDMI HUB IC LG7303A BCM35230 Block Diagram PG Copyright 2011 LG Electronics Inc All rights reserved Only for training an...

Страница 56: ...R EDID EEPROM AT24C02BN RGB DET DSUB_R 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 ADAC_CR_P N SC_L R_out P N 0V 0 98V 0 OHM R R GPIO BSC_S_...

Страница 57: ...M 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 LVDS Active Type Display RF Emitter Vsync RF comm Vsync Format info For more information about 3D system refer to the page 1 6 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 58: ...ol SPI Vsync URSA5 LG1121 Main SoC BCM FHD 60Hz Dual Link LVDS 2 XTR T Con LGSIC FHD 240Hz Quad Link HF mini LVDS 8 4 FHD 240Hz Octa Link LVDS For more information about 3D system refer to the page 1 6 URSA5 LG1121 4 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 59: ... LVDS cable 51PIN LED driver PSU T CON to Module 80pin FFC Multi cable IR MOTION WIFI SPK WOOFER SPK CABLE PCBs Cables XXLW950T W S G ZA ALEF Module Assy PSU Local dimming cable 8pin 7 6 7 1 2 2 3 4 5 6 7 1 2 3 4 5 6 7 3 4 7 XXLW980T W S G ZA Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 60: ...cable Main Module LVDS cable 51PIN LED driver PSU T CON to Module 80pin FFC Multi cable IR MOTION SPK WOOFER SPK CABLE PCBs Cables PSU Local dimming cable 8pin 7 6 7 1 2 2 3 4 6 Control key 5 7 1 2 3 4 4 5 6 7 7 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 61: ...PK unit 3 WIFI ASSY 4 RF MOTION ASSY 5 Soft Touch IR Key PCB 15pin 15pin 12pin 12pin 4pin 4pin Soft Touch IR Key PCB WIFI ASSY RF MOTION ASSY Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 62: ...ies IR Key PCB RF MOTION ASSY To Main 1 Control key SPK unit RF MOTION ASSY IR Key PCB 3 4 4pin 15pin 15pin 12pin 12pin Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 63: ...z LED BLU control LED BLU control SPI Vsync URSA5 MST7303 Main SoC BCM FHD 60Hz Dual LVDS FHD 120Hz Quadl Link FHD 240Hz Octa Link LVDS BackLight Scanning BackLight Scanning Vsync FHD 240Hz Quadl Link Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 64: ...U cable Main Module LVDS cable 41 51PIN LED driver PSU 15Pin IR Touch Cable SPK Cable Local Dimming Cable PCBs Cables 6 1 2 3 1 2 3 4 5 6 XXLW550T W S ZA XXLW650W G S ZA XXLW570G S ZA Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 65: ... Main PSU cable Main Module LVDS cable 41 51PIN LED driver PSU 15Pin IR Touch Cable SPK Cable Local Dimming Cable PCBs Cables 6 1 2 3 1 2 3 4 5 6 LED Driver 32 37LV5500 T W G ZA 32 37LV570G S ZA Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 66: ...n Module LVDS cable 41 51PIN LED driver PSU 15Pin IR Touch Cable SPK Cable Local Dimming Cable PCBs Cables 6 1 2 3 1 2 3 4 5 6 42 47LV5500 T W G ZA 42 47LV570G S ZA Same interconnection LW or LV serise in the 42 47 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 67: ... IR Soft touch Key PCB LV LW570 only IR Assy To Main 4 Control key LV LW570 SPK unit IR Soft touch Key PCB LV LW570 only IR Assy 3 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 68: ... 7 Off when on off while 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 No response in remote controller key error recording error memory error 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 Bulleti...

Страница 69: ...s 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 14 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 is inserted properly or not Main B D Power B D LVDS Cable Speaker Ca...

Страница 70: ...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 14 LCD TV Error symptom 2 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 71: ...ain 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 Signal Test Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N N Normal Picture Y Close N A7 Standard Repair Process Establ...

Страница 72: ...ferent maker TV etc Y Change satellite setting match with installed ANT N Normal Picture Y Close N A7 Standard Repair Process Established date Revised date 4 14 LCD TV Error symptom 4 2011 01 24 Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Normal setting Contact with signal distributor or broadcaster Cable or Air Close N Check Tuner solder...

Страница 73: ...ce 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 Request repair for external device cable Color error Check Test pattern A12 A10 A11 Standard Repair Process Established date Revised date 5 14 LCD TV Error symptom 5 2010 12 14 Copyright 2011 LG Electronics Inc All ...

Страница 74: ...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 nor...

Страница 75: ...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 7 14 LCD TV Error symptom 7 Stand By Red Operating white Close 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service pur...

Страница 76: ...by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_RS232C Power off by RS232C POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download POWEROF...

Страница 77: ...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 9 14 LCD TV Error symptom Standard Repair Process 9 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 78: ... 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 Established...

Страница 79: ...aterry 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 11 14 LCD TV Error symptom 1...

Страница 80: ...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 12 14 LCD TV Error symptom Standard Repair Process 12 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 81: ... as shown in the solution manual For models without any fix information provide the description 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 13 14 LCD TV E...

Страница 82: ...ller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Adjust VCOM Established date Revised date 14 14 LCD TV Error symptom Standard Repair Process A28 14 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 83: ...cking Part A9 11 Check Link Cable LVDS reconnection condition A10 A11 12 Adjustment Test pattern ADJ Key A12 13 A Video error_Vertical Horizontal bar residual image light spot LCD TV connection diagram A8 14 Check Link Cable LVDS reconnection condition A10 A11 A10 LVDS A11 Driver b d 15 Adjustment Test pattern ADJ Key A12 16 Appendix Defected Type caused by T Con Inverter Module Exchange T Con Boa...

Страница 84: ...WER 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 audio A25 30 C Audio error_Wrecked audio discontinuation Voltage and speaker checking method in case of audio error A25 31 D Function error_ No response in remote controller key error Remote controller operation ...

Страница 85: ...d 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 module XXLW950 XXLW980X MODELS LCD TV A1 2010 12 14 XXLW770X MODELS Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 86: ...ate Error symptom Content LCD TV A2 Check the DC 24V 12V 3 5V and Inverter on ALEF LED Edge LED P203 1 5 24V 6 10 GND 11 Error 12 Inverter ON 13 A dim 14 P dim P202 1 5 24V 6 10 GND 11 Error 12 Inverter ON 13 A dim 14 P dim 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 87: ...hite Balance value A Video error_No video Normal audio ALL MODELS A3 Established date Revised date Error symptom Content LCD TV A3 Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 7 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 2010 12 14 Copyright 2011 LG Ele...

Страница 88: ...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 GND 17 12V 18 Inverter On off 19 12V 20 Lamp A Dim LED N C 21 12V 22 PWM Dim 1 23 N C Lamp SCANNING Model PWM Dim 2 24 Error out ALEF LED Edge LED 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purp...

Страница 89: ...d 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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 90: ...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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 91: ...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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 92: ...m power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop ALL MODELS A9 Established date Revised date Error symptom Content LCD TV A9 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 93: ... 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 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 94: ...rror_Color error Check the contact condition of the Link Cable especially dust or mis insertion A11 Established date Revised date Error symptom Content LCD TV A11 ALL MODELS 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 95: ...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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 96: ...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 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 97: ...r Section Solder defect Short Crack Fuse Open Abnormal power section Noise GRADATION GRADATION Abnormal Display Appendix Exchange T Con Board 2 A 2 5 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 98: ...dix 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 rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 99: ...ss damage Crosstalk Crosstalk Press damage Panel Mura Light leakage Press damage A 4 5 Un repairable Cases In this case please exchange the module Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 100: ...k Source TAB IC Defect Horizontal Block Gate TAB IC Defect Horizontal line Gate TAB IC Defect Gate TAB IC Defect Horizontal Block Gate TAB IC Defect Appendix Exchange the Module 2 A 5 5 Un repairable Cases In this case please exchange the module Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 101: ...Established date Revised date Error symptom Content LCD TV A17 ST BY condition Red Power ON condition white Front LED control Menu Æ Option Æ Power Indicator Æ Standby light ON 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 102: ...eck the DC 20V 24V 12V 3 5V 24 Pin 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 GND 17 12V 18 Inverter On off 19 12V 20 Lamp A Dim LED N C 21 12V 22 PWM Dim 1 23 N C Lamp SCANNING Model PWM Dim 2 24 Error out ALEF LED Edge LED 2010 12 14 Copyright 2011 LG Electronics Inc All rig...

Страница 103: ...n 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 GND 17 12V 18 Inverter On off 19 12V 20 Lamp A Dim LED N C 21 12V 22 PWM Dim 1 23 N C Lamp SCANNING Model PWM Dim 2 24 Error out ALEF LED Edge LED 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purpose...

Страница 104: ...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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 105: ... 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 2010 12 14 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 106: ...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 24 Pin 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 GND 17 12V 18 Inverter On off 19 12V 20 Lamp A ...

Страница 107: ...ir 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 Error symptom Content LCD TV A27 P8200 1 SCL 2 SDA 3 GND 4 KEY1 5 KEY2 6 St 3 5V 7 GND 8 LED_B logo_PWM 9 IR 10 GND 11 3 3V_Normal 12 LED_R BUZZ 13 GND 14 ST_SCL 15 ST_SDA 2010 12 14 Copyright 2011 LG Electronics In...

Страница 108: ...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 store the value Then the message Saving OK is pop Press the exit key to finish V COM adjustment A28 Established date Revised date Error symptom Content LCD TV A28 2010 12 14 Copyright 2011 LG Electronics Inc All...

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