LG 47LV370S-ZB Скачать руководство пользователя страница 13 | Manualshive

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LGE Internal Use Only

Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

8. USB S/W download(option, Service only)

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 “Copying files from memory”

4) Updating is starting.

5) Updating Completed, The TV will restart automatically
6) If your TV is turned on, check your updated version and

Tool option. (explain the Tool option, next stage)

* If downloading version is more high than your TV have,

TV can lost all channel data. In this case, you have to
channel recover. if all channel data is cleared, you didn’t
have a DTV/ATV test on production line.

* After downloading, have to adjust TOOL OPTION again.

1) Push "IN-START" key in service remote control.
2) Select "Tool Option 1" and Push “OK” button.
3) Push in the number. (Each model has their number.)

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Содержание 47LV370S-ZB

Страница 1: ...PRECAUTIONS IN THIS MANUAL CHASSIS LD12B MODEL 37LV370S 37LV370S ZB MODEL 37LV375G S W 37LV375G S W ZC 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 MFL67002312 1103 REV00 ...

Страница 2: ...pyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 8 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: ...w without special appointment 1 Temperature 25 ºC 5 ºC 77 ºF 9 ºF CST 40 ºC 5 ºC 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minute...

Страница 5: ...models 5 DVB T C 6 DVB T2 7 DVB S 3 Receiving system Analog Upper Heterodyne G DVB T Digital COFDM QAM Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 G DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM G DVB T2 Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 3...

Страница 6: ...20 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 94 25 17 VESA Inpu...

Страница 7: ... 6 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 28 125 50 00 74 25 HDTV 1080I...

Страница 8: ...ng module is in the circumstance of below 20 C it should be placed in the circumstance of above 15 C for 3 hours Caution When still image is displayed for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Automatic Adjustment 3 1 MAC Address 1 Equipment Condition Play file S...

Страница 9: ... name Instart menu Factory name displayed ex 32LV3700 ZA e Check the Diagnostics DTV country only Buyer model displayed ex 32LV3700 4 Manual Adjustment 4 1 EDID The Extended Display Identification Data DDC Display Data Channel download 1 Overview It is a VESA regulation A PC or a MNT will display an optimal resolution through information sharing without any necessity of user input It is a realizat...

Страница 10: ... Command VAL FOS Data value CS Checksum of sent data A Acknowledge Ex Send JA_00_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 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C0x...

Страница 11: ...utionary items 1 Lighting condition in surrounding area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10cm 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 F...

Страница 12: ... Adj key on the Adj Remote Control then select Tool option 6 Ship out mode check In stop After final inspection press IN STOP key of the Adj R C and check that the unit goes to Stand by mode 7 GND and Internal Pressure check 7 1 Method 1 GND Internal Pressure auto check preparation Check that Power Cord is fully inserted to the SET If loose re insert 2 Perform GND Internal Pressure auto check Unit...

Страница 13: ...sage Copying files from memory 4 Updating is starting 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test o...

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

Страница 15: ...any electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of ma...

Страница 16: ..._D1N A3 HDMI0_D1P B3 HDMI0_D2N A2 HDMI0_D2P B2 CEC W2 DDC0_SCL V4 DDC0_SDA W4 HDMI0_HTPLG_IN V3 HDMI0_HTPLG_OUT V2 HDMI0_ARC D13 HDMI0_RESREF E6 TXOUT0_L0N AE27 TXOUT0_L0P AE28 TXOUT0_L1N AF27 TXOUT0_L1P AF28 TXOUT0_L2N AG27 TXOUT0_L2P AG28 TXCLK_LN AE26 TXCLK_LP AF26 TXOUT0_L3N AH27 TXOUT0_L3P AG26 TXOUT0_L4N AF25 TXOUT0_L4P AE25 TXOUT0_U0N AH26 TXOUT0_U0P AG25 TXOUT0_U1N AE24 TXOUT0_U1P AD24 TXO...

Страница 17: ...PIO J3 TDATD_4 GPIO K2 TDATD_5 GPIO K1 TDATD_6 GPIO K3 TDATD_7 GPIO L1 TSTRTD GPIO L3 TVLDD GPIO L2 MPEG_CLK GPIO P4 MPEG_D_0 GPIO T2 MPEG_D_1 GPIO R3 MPEG_D_2 GPIO R2 MPEG_D_3 GPIO P3 MPEG_D_4 GPIO P2 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...

Страница 18: ...18 VI_INCM_CVBS2 C19 VI_CVBS3 A19 VI_INCM_CVBS3 B19 VI_CVBS4 C20 VI_INCM_CVBS4 B20 VI_SIF1_1 E19 VI_INCM_SIF1_1 D19 VI_SIF1_2 E10 VI_INCM_SIF1_2 F11 LGE35230 BCM35230KFSBG IC101 NON_BCM_CAP SPDIF_INC_P 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 A...

Страница 19: ...DDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_11 T1 VSS_12 T9 VSSQ_1 B1 VSSQ_2 B9 VSSQ_3 D1 VSSQ_4 D8 VSSQ_5 E2 VSSQ_6 E8 VSSQ_7 F9 VSSQ_8 G1 VSSQ_9 G9 DDR_AA13 1 5V_DDR R401 4 7K DDR_1333 DDR_AA11 DDR_AA1 DDR_QS2 C452 0 1uF DDR_QS3 DDR_CKE DDR_BAA1 DDR_QS0 1 5V_DDR R403 4 7K DDR_AA12 R418 5...

Страница 20: ...R523 4 7K ERROR_OUT_PULL_UP L513 BLM18PG121SN1D R519 100 NON_PD_ 3 5V PWM_DIM IC504 AP2132MP 2 5TRG1 EAN61387601 3 VIN 2 EN 4 VCTRL 1 PG 5 NC 6 VOUT 7 ADJ 8 GND 9 EP 12V 24V 5V_Normal C545 10uF 16V R549 4 7K 1 Q507 AO3407A G D S R506 330 L511 MLB 201209 0120P N2 12V_PANEL ERROR_OUT_24 R546 1K 12V C580 0 1uF 16V A_DIM POWER_DET P501 SMAW200 H24S2 SLIM_32 55 19 12V 14 GND 9 3 5V 4 24V 18 INV ON 13 G...

Страница 21: ...F 16V R640 10K R623 10K PWM_LED FLMD0 EEPROM_SDA HDMI_CEC SDA2_3 3V R630 22 WIRELESS_DET NEC_ISP_Rx IC602 uPD78F0514 NEC_MICOM 1 P60 SCL0 2 P61 SDA0 3 P62 EXSCL0 4 P63 5 P33 TI51 TO51 INTP4 6 P75 7 P74 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 P1...

Страница 22: ...L SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SCL2_3 3V R1602 33 LPB_42 47 55 SDA2_3 3V R1601 33 LPB_42 47 55 L DIM0_MOSI L DIM0_SCLK L DIM0_VS P1601 12507WR 08L 1 2 3 4 5 6 7 8 9 50 BCM35230 16 L_DIMMING Local Dimming Block ...

Страница 23: ... PCM_IORD Q1902 AO3407A CI G D S CI_CD2 CI_ADDR 1 CI_TS_CLK C1911 0 1uF 16V OPT R1969 10K CI CI_ADDR 9 C1915 0 1uF 16V OPT R1980 100 CI R1945 10K OPT R1966 10K CI R1985 10K CI R1936 0 OPT R1949 22 CI 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...

Страница 24: ... SMAB34 LNB R2314 0 LNB C2309 27pF OPT DCDC_GND R2313 0 LNB 12V_LNB A_GND A_GND A_GND C2311 10uF 25V LNB R2301 33 LNB C2307 0 01uF 50V LNB SDA1_3 3V C2302 1uF 50V LNB LNB_INT R2304 4 7K LNB DCDC_GND A_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...

Страница 25: ...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 CHBO_TS_SYNC CHBO_TS_SERIAL CHB_RESET CHBO_TS_VAL_ERR CHBO_TS_CLK TS Output 50 28 BCM35230 NON CHB NON CHB ...

Страница 26: ... _HDMI2 HDMI_RX0 D2 _HDMI1 HDMI_HPD_1 5V_HDMI_3 C3707 10uF C3714 1uF HDMI_HPD_3 R3733 10 3 3V_HDMI D0 _HDMI3 CK _HDMI3 C3709 0 1uF C3708 0 1uF HDMI_RX1 D2 _HDMI3 DDC_SCL_3 D1 _HDMI2 HDMI_CLK D0 _HDMI3 SCL3_3 3V CK _HDMI2 DDC_SDA_3 D2 _HDMI1 D2 _HDMI2 DDC_SDA_2 SDA3_3 3V CK _HDMI2 5V_Normal HDMI_HPD_2 HDMI_RX0 5V_HDMI_2 C3713 1uF C3712 1uF CK _HDMI3 5V_HDMI_1 CK _HDMI1 C3705 10uF R3738 10 D0 _HDMI1...

Страница 27: ... 1uF DSUB_B C3803 560pF 50V R3815 1K DSUB_DET HP_LOUT_N C3814 0 1uF JK3802 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE Q3801 2SC3052 E B C L3803 BLM18PG121SN1D 5V_Normal L3804 BG2012B080TF R3826 4 7K D3802 5 6V ESD_COMMON AMOTECH DSUB_G D3804 30V 3 3V_Normal 3 3V_Normal JK3803 KJA PH 0 0177 3 DETECT 4 L 5 GND 1 R EDID_WP R3820 OPT R3804 470K C3808 47pF 50V SIDE_HP_MUTE P3801 SPG09 DB 010 1 RED 2 G...

Страница 28: ... IN THE SYMBOL MARK OF THE SCHEMETIC EPHY_RDN EPHY_TDN C3901 0 1uF 16V EPHY_TDP 3 3V_Normal EPHY_LINK C3902 0 1uF 16V EPHY_RDP 2 5V_BCM35230 EPHY_ACTIVITY JK3901 XRJV 01V D12 180 1 2 3 4 5 6 7 8 D1 D2 D3 D4 9 D3906 5 5V ADLC 5S 03 015 D3901 5 5V ADLC 5S 03 015 D3902 5 5V ADLC 5S 03 015 D3905 5 5V ADLC 5S 03 015 D3903 5 5V ADLC 5S 03 015 D3904 5 5V ADLC 5S 03 015 L3901 MLB 201209 0120P N2 R3901 240...

Страница 29: ...Normal C4014 560pF 50V R4031 1K ZD4009 5 1V AV2_L_IN C4022 560pF 50V JK4001 PPJ238 01 5D GN2 O SPRING 6D GN2 E LUG 4D GN2 CONTACT 7E BL2 E LUG S 5E BL2 O SPRING 7F RD2 E LUG S 5F RD2 O SPRING_1 5G WH2 O SPRING 4H RD2 CONTACT 5H RD2 O SPRING_2 6H RD2 E LUG 6A YL1 E LUG 5A YL1 O SPRING 4A YL1 CONTACT 5B WH1 O SPRING 4C RD1 CONTACT 5C RD1 O SPRING 6C RD1 E LUG C4015 560pF 50V R4028 75 R4022 0 COMP1_P...

Страница 30: ...MPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SIDE_USB_CTL1 R4102 2 7K D4101 5 6V CDS3C05HDMI1 C4101 10uF 10V 3 3V_Normal R4101 4 7K OPT L4101 MLB 201209 0120P N2 120 ohm D4102 5 6V CDS3C05HDMI1 SIDE_USB_DM SIDE_USB_DP SIDE_USB_OCD1 5V_USB C4102 100uF 16V P4101 3AU04S 305 ZC LG 1 2 3 4 5 IC4101 AP2191DSG 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC C4103 0 1uF 16V D4101 D4102 DUAL COMPONENT ...

Страница 31: ...P TXD2P TXBCLKP TXC4P R4205 33 FRC2 R4213 10K LVDS_SEL_LOW R4206 33 FRC2 TXC3P C4202 1000pF 50V TXD3P TXDCLKN TXC1P TXACLKP TXC4N TXCCLKP TXB3N TXD4N TXA2N TXB0P TXD1P C4203 0 1uF 50V TXA0N 3D_SYNC_RF TXB2N TXC1N TXB4P 3 3V_Normal TXC0P TXA4N TXB4N TXC2P PANEL_VCC P4201 FI RE51S HF J R1500 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 4...

Страница 32: ...R4410 1 S 3 3V_TU L4403 MLB 201209 0120P N2 S 3 3V_TU 5V_Normal C4450 0 1uF S C4451 0 1uF S 3 3V_TU 1 8V_TU 3 3V_S2_LNB C4446 10uF 10V S IF_AGC IF_P RF_SWITCH_CTL IF_N R4447 0 S R4448 0 S L4409 BLM18PG121SN1D S C4454 10uF 16V OPT C4455 4700pF 50V OPT C4456 100uF 16V OPT L4401 MLB 201209 0120P N2 C4457 10uF 16V OPT C4421 62pF 50V Non_S C4422 62pF 50V Non_S C4458 20pF 50V Non_S C4459 20pF 50V Non_S ...

Страница 33: ...5V D4511 5 6V R4532 36 C4506 560pF 50V 2SC3052 Q4504 12V C4521 4700pF C4511 6800pF 50V C4518 0 1uF L4506 C4517 1000pF 50V D4508 5 6V OPT R4520 390 R4523 180 R4501 5 6K R4509 470K JK4501 PSC008 01 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 D2B_IN 11 G_OUT 12 D2B_OUT 13 R_GND 14 RGB_GND 15 R_OUT 16 RGB_IO 17 SYNC_GND1 18 SYNC_GND2 19 SYNC_OUT 20...

Страница 34: ... 50V AUD_MASTER_CLK 0 1uF C4618 50V SPK_L C4625 22000pF 50V C4631 390pF 50V R4612 12 AMP_MUTE 0 1uF C4608 16V R4605 3 3K 0 1uF C4621 50V D4602 100V 1N4148W OPT L4602 BLM18PG121SN1D C4605 1000pF 50V C4626 22000pF 50V R4604 100 0 1uF C4614 16V C4627 1uF 25V SCL3_3 3V 24V_AMP 0 1uF C4638 50V C4629 390pF 50V AUD_LRCH R4601 10K C4628 1uF 25V SPK_L C4617 22000pF 50V AMP_RESET_N R4608 12 D4603 100V 1N414...

Страница 35: ...4 5 6 7 8 9 10 11 12 13 R4705 100 D4705 5 6V AMOTECH P4701 12507WR 15L IR_15PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15 D4703 5 6V CDS3C05HDMI1 S T_SCL R4701 10K 1 R4704 100 R4703 100 D4706 5 6V CDS3C05HDMI1 LED_R BUZZ KEY1 EEPROM_SCL 3 3V_Normal R4710 100 R4711 100 C4703 0 1uF IR R4722 47K COMMERCIAL R4716 47K COMMERCIAL R4718 0 OPT 3 5V_ST 3 5V_ST Q4701 2SC3052 COMMERCIAL E B C R4720 10K COMMERCI...

Страница 36: ...F IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC AV2_CVBS_DET 3D_GPIO_1 WIRELESS_DET DD_MREMOTE 3D_GPIO_0 3D_GPIO_2 M_REMOTE_RX WIFI_DP AV2_CVBS_IN RST_HUB SIDE_USB_CTL2 M_RFModule_RESET WIFI_DM M_REMOTE_TX SIDE_USB_OCD2 WIRELESS_PWR_EN 5V_HDMI_4 DC_MREMOTE 3D_SYNC L_VS BCM35230 LV7 EU 48 50 ...

Страница 37: ...ASKET_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 5T MDS621102...

Страница 38: ......

Страница 39: ...onics Inc No part of this publication may be reproduced or distributed in any form or by any means or stored in a database or retrieval system without prior written permission of the publisher Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 40: ...al voltage N Repair Power Board or parts End Always check record S W Version and White Balance value before replacing the Main Digital Board Replace Main Board Re enter White Balance value Precaution Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 1 13 LCD TV Error symptom A Video error No video Normal audio 146 144 145 147 Copyright 2011 LG Electronics Inc All right...

Страница 41: ...N B D Y Replace Power Board and repair parts N End Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV A Video error No video No audio 2 13 148 Error symptom Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 42: ...nt 1 Digital signal disconnected 2 Analog video signal weak Y N Normal screen End Replace Main B D Connect external device RF signal N Y Normal screen Check and fix ANT signal Request to cable antenna provider End 150 Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV A Video error Video error video lag stop 3 13 Error symptom Copyright 2011 LG Electronics Inc Al...

Страница 43: ...l device Cable normal RGB HDMI DVI error Check external device and cable Replace Main B D Replace Main B D Use Picture Test N N Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV A Video error Color error 4 13 154 152 N Y Color error End Replace module Error symptom Request repair for external device cable Color error N Y Replace Main B D Color error Y End Copyri...

Страница 44: ...tal bar residual image light spot Request repair for external device Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV A Video error Vertical Horizontal bar residual image light spot external device color error 5 13 154 Error symptom Use Picture Test Color error N N Replace Main B D Color error Y End Y Replace module Copyright 2011 LG Electronics Inc All rights ...

Страница 45: ...or error External Input error 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 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 c...

Страница 46: ... Power B D N Y Normal voltage Replace Main B D N Y OK Replace Main B D N Y Normal voltage Check ST BY 3 5V Check and fix outlet and power cord connected condition Replace Power B D N Y Normal voltage Replace Power B D Y 158 159 160 160 161 For Pacific 2 operation display LED can be off even with ST BY output of 3 5V In this case replace the Digital B D instead of the Power Board Error symptom Copy...

Страница 47: ...lace Main B D Key Time Out CPU Abnormal On 15 Minute Reset Off mode If Power Off mode is not displayed Check Power B D voltage Y N Replace Main B D Normal voltage Replace Power B D Replace Power B D N Y Normal End Caution Check and fix exterior of Power B D Part Describe situation Not a problem If there is no signal it is the 15 min OFF function 162 163 164 Error symptom Copyright 2011 LG Electron...

Страница 48: ...r disconnection N Y Replace Speaker Replace MAIN Board End Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV C Audio error No audio Normal video 8 13 165 166 Disconnection Error symptom Use Sound Test Menu Normal Sound Y N Check Input Signal Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 49: ...nly for Analog Wrecked 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 24V Replace Main B D In case of External I...

Страница 50: ...ace PRE AMP Replace Key PCB Check for 3 wave length florescent light Request for florescent light replacement or attach mesh cloth OR Check for TV operation after removing other product remote controller battery Check for external wave length effect OR OR Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV D Function error No response in remote controller key erro...

Страница 51: ...troller Remote controller damage Stand dent Replace stand Established date Electronics 6 3 Standard Repair Process Revised date 2008 2 1 LCD TV F Exterior defect Exterior defect 13 13 Error symptom Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 52: ...er you can see light from 6 locations Established date Electronics 6 3 air Process Detail Technical Manual Revised date 2008 2 1 1 33 1 13 Error symptom Content Check LCD back light with naked eye A Video error_No video Normal audio s Inc All rights reserved poses LGE Internal Use Only ...

Страница 53: ...er Board Established date Electronics 6 3 air Process Detail Technical Manual Revised date 2008 2 1 Error symptom LED Driver B 24V measuring method Content A Video error_No video Normal audio 2 33 1 13 s Inc All rights reserved poses LGE Internal Use Only ...

Страница 54: ...24V in the Power Board Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Check LED Driver PCB supply voltage Content A Video error_No video Normal audio 3 33 1 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 55: ...edium Warm re enter the value after replacing the MAIN BOARD Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Check White Balance value Content A Video error_No video Normal audio 4 33 1 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 56: ...1 LCD TV Error symptom Power Board voltage measuring method Content A Video error_No video No audio 5 33 2 13 Check each voltage output 3 5V 12V 24V supplied from Power Board to Main Board Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 57: ...V Error symptom TUNER input signal strength checking method Content A Video error_Video error video lag stop 7 33 3 13 Check MENU Æ SETUP Æ Support Æ Signal Test Check Signal Strength and Quality Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 58: ...ical Manual Revised date 2008 2 1 LCD TV Error symptom LCD TV Version checking method Content A Video error_Video error video lag stop 7 33 3 13 Press the Menu button on the remote controller Enter Auto Channel Press the number button 1 1 1 1 1 HOST menu is displayed on the screen Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 59: ...tom Use Picture Test Mode Content A Video error_Color error 9 33 4 13 Menu Support Picture Test Entry method 1 Press the Menu button on the remote controller 2 Enter into Support Picture Test 3 The TV Display Test Image Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 60: ...Established date Electronics 6 3 air Process Detail Technical Manual Revised date 2008 2 1 Error symptom Check Link Cable LVDS reconnection condition Content A Video error_Color error 9 33 4 13 s Inc All rights reserved poses LGE Internal Use Only ...

Страница 61: ... symptom LCD TV connection diagram 09 Content A Video error _Vertical Horizontal bar residual image light spot 12 33 5 13 As the part connecting to the external input check the screen condition by signal Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 62: ...ntent A Video error _Vertical Horizontal bar residual image light spot 12 33 5 13 Test Image Menu Support Picture Test Entry method 1 Press the Menu button on the remote controller 2 Enter into Support Picture Test 3 The TV Display Test Image Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 63: ...al Revised date 2008 2 1 Error symptom Check Link Cable LVDS reconnection condition Content A Video error _Vertical Horizontal bar residual image light spot 13 33 5 13 Check the contact condition of the Link Cable s Inc All rights reserved poses LGE Internal Use Only ...

Страница 64: ...6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Check front display LED Content B Power error _No power 15 33 6 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 65: ...ST BY DC 3 5V output voltage from the POWER BOARD Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Check power input voltage and ST BY 3 5V Content B Power error _No power 16 33 6 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 66: ...V voltage on POWER BOARD 4 Check the POWER ON High About DC 1 8V or above voltage with input from POWER BOARD Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Checking method when power is ON Content B Power error _ No power 17 33 6 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purpo...

Страница 67: ...measuring method Content B Power error _ No power 18 33 6 13 24V is provided from the Power Board and supplied to LED Driver PCB Check the PIN contact condition and connection Check each voltage output 5V 12V 24V in the Power Board Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 68: ...hed date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 1 2 19 33 7 13 LCD TV Error symptom POWER OFF MODE checking method Content B Power error _ Off when on off whiling viewing Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 69: ...pair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom POWER BOARD PIN voltage checking method Content B Power error _ Off when on off whiling viewing 20 33 7 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 70: ... Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Checking method in menu when there is no audio Content C Audio error_ No audio Normal video 21 33 8 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 71: ...ectronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Use Sound Test Mode Content C Audio error_ No audio Normal video 21 33 8 13 Menu Support Sound Test Sound Test Play the Music Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Onl ...

Страница 72: ...nal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Voltage and speaker checking method when there is no audio Content C Audio error_ No audio Normal video 22 33 8 13 Copyright 2011 LG Electronics Inc All rights reserved On...

Страница 73: ... if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Voltage and speaker checking method in case of audio error Content C Audio error_ Wrecked audio discontinuation noise 25 33 9 13 Copyright 2011 LG Electronics Inc All rights rese...

Страница 74: ...tage terminal 3 5V_ST Pin 6 Remote controller receiver terminal IR Pin 9 Established date Electronics 6 3 Standard Repair Process Detail Technical Manual Revised date 2008 2 1 LCD TV Error symptom Remote controller operation checking method Content D Function error_ No response in remote controller key error 26 33 10 13 Copyright 2011 LG Electronics Inc All rights reserved Only for training and se...

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