LG 29MT45V Скачать руководство пользователя страница 12 | Manualshive

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LGE Internal Use Only

Copyright ©

LG Electronics. Inc. All right reserved.

Only for training and service purposes

TROUBLE SHOOTING

1. No Power

Replace X100

N

Check C400

Voltage Level (

19V)

Check Power connector

OK ?

Replace Adapter

Y

N

Y

Check IC401 Output

Voltage Level

(3.3V)

Replace IC401 &

Recheck

Y

N

Check X100 Clock

24MHz

Replace IC102 Flash

Memory

Y

Check IC403 Output

Voltage Level

(5V)

Replace IC403 &

Recheck

Y

N

Check IC402 Output

Voltage Level

(1.15V)

Replace IC402 &

Recheck

N

Y

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Содержание 29MT45V

Страница 1: ...tp eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO CHASSIS MODEL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL MFL68127251 1410 REV00 29MT45V 29MT45V PDR LD41A LED TV ...

Страница 2: ...s Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 TROUBLE SHOOTING 12 BLOCK DIAGRAM 16 EXPLODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ... 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 to the chassis the ...

Страница 4: ...n your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge b...

Страница 5: ...e 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 replaced...

Страница 6: ...tion and performance of each parts are followed each drawing and specification by part number in accord ance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC specification NOTE Specifications and others are subject to change without notic...

Страница 7: ... 27 00 27 03 SDTV 480P 2 720 576 31 25 50 00 27 864 SDTV 576P 3 1280 720 37 50 50 00 74 250 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 7 1920 1080 27 00 24 74 25 HDTV 1080P 8 1920 1080 33 75 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10 1920 1080 67 43 67 5 59 94 6...

Страница 8: ...XX bin by clicking Read 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD epk file download 1 Make New folder named LG_DTV and put ISP file epk in the folder 2 Put the USB Stick to the USB socket 3 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 U...

Страница 9: ...n Not to push the INSTOP KEY after completion if the function inspection NO Item CMD 1 CMD 2 Data 0 Enter download MODE Download Mode In A A 0 0 When transfer the Mode In Carry the command EDID data and Model option download Download A E 00 10 Automatically download The use of a internal Data G WUG Gv XG G G XUG Gv YG G G YUG Gv ZG G G ZUG Gv G G G UG Gv G G G UG Gv G UGj Gn G G G UGh Gv G _UGhkjG...

Страница 10: ... D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 Manual Download Model Name and Serial Num ber If the TV set is downloaded By OTA or Service man Some times model name or serial number is initialized Not always There is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of ADJ remote controller...

Страница 11: ...e 2 Cut off H sync or V sync of signal 3 Check DPM operation refer to the below table MHL do not support DPM 4 6 Model Name SW Version Adjust check Press the Instart key of ADJ remote controller 4 6 1 Model Name SW Version Check 1 Check Model Name 2 Check S W Version Refer to the IC Ver in the BOM 4 6 2 Adjust Check 1 Check Country Group 2 Check Area Option 3 Check Tool Option Refer to the BOM Com...

Страница 12: ...ower Replace X100 N Check C400 Voltage Level 19V Check Power connector OK Replace Adapter Y N Y Check IC401 Output Voltage Level 3 3V Replace IC401 Recheck Y N Check X100 Clock 24MHz Replace IC102 Flash Memory Y Check IC403 Output Voltage Level 5V Replace IC403 Recheck Y N Check IC402 Output Voltage Level 1 15V Replace IC402 Recheck N Y ...

Страница 13: ...n Check IC1001 Q1002 Replace LED Driver IC or FET Y N N Check Panel Power 12V P600 30 Check IC800 Output 12V Replace IC400 Recheck Y N Check Panel input Clock P601 9 10 Check IC100 Repair Main B D Y N Check FFC Cable for Damage or Open Conductors Check LED Driver Output C1024 Replace T Con Board or Module Y Check IC101 Replace Main SOC N Check WLED_ENABLE High Y ...

Страница 14: ...cs Inc All right reserved Only for training and service purposes 3 No Video Digital TV Check RF Cable Y 1 Check RF IC L2606 Power 3 3V 2 Check IC401 Output voltage 3 3V Replace IC401 Recheck Y N Check SCL SDA Line TU2603 4 5 Replace TU2603 or IC101 N ...

Страница 15: ...or training and service purposes 4 No Video HDMI Replace Main Scaler IC101 Check input signal format Is it supported Check JK801 for proper connection or Damage Replace Connector Y N Check I2C Signal JK801 Re Download EDID Data Y N Y Check HDMI Cable for Damage or Open Connector Y ...

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

Страница 17: ...teristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 200 120 900 400 910 540 820 800 810 511 LV1 A2 535 ...

Страница 18: ...3 47K 3 3V_ST C433 10uF 10V C425 10uF 10V OPT 3 3V_Normal R412 20K Q403 AO3407A G D S C424 10uF 16V Q400 MMBT3904 NXP E B C C430 0 1uF 16V JP400 19V R426 10K 1 R428 27K 1 R424 4 7K 1 R421 43K 1 3 3V_Normal IC402 MP2315GJ 3 SW 2 IN 4 GND 1 AAM 5 BST 6 EN SYNC 7 VCC 8 FB C437 10uF 10V OPT Q401 MMBT3904 NXP E B C R411 100K C428 0 1uF 16V R437 0 HD 12V Panel 5V_Normal R446 0 HD 12V Panel 5V_PANEL_POWE...

Страница 19: ... RXACK P602 10031HR 30 FHD 5V Panel 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 RXA0 RXA1 C602 0 1uF 16V FHD 5V Panel RXB3 RXA2 RXA1 JP613 RXA3 RXB3 RXB2 R607 0 26 27 5 LVDS RXA3 RXA3 RXA1 RXB1 RXA3 RXB2 RXA2 P600 10031HR 30 HD 12V Panel 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 RXA2 R615 5 6K FHD 5V Panel R623 22 TO...

Страница 20: ..._IN JP718 JP717 VA714 20V AUDIO_IN JP719 JP721 JP720 JP714 MGJ63348202 M700 1 JackShield for CKD MGJ63348201 M700 JackShield for NonCKD DSUB SC1_G 5V_Normal SC1_R C722 0 1uF DSUB SC1_G DSUB_VSYNC DSUB_R DSUB_B DSUB SC1_B DSUB_G SC1_B DSUB SC1_VSYNC SC1_FB R727 470K DSUB DSUB_HSYNC IC702 BA7657F DSUB 3 GREEN_1_INUT 2 HD_SYNC_SIGNAL_DETECTOR 4 GROUND1 1 RED_1_INPUT 6 GROUND2 5 BLUE_1_INPUT 7 RED_2_I...

Страница 21: ...904 NXP OPT E B C C800 0 047uF 25V HDMI2 CK _HDMI1 R802 47K HDMI Port1 D0 _HDMI1 D1 _HDMI2 HDMI_ARC D800 RCLAMP0524PA OPT ESD_HDMI_SEMTECH DEV 1 8 2 7 3 6 4 5 9 10 R817 300K HDMI2 VA804 OPT R804 0 OPT HDMI1_ARC VA806 20V OPT R812 10K HDMI Port1 D801 RCLAMP0524PA OPT ESD_HDMI_SEMTECH DEV 1 8 2 7 3 6 4 5 9 10 Q801 MMBT3904 NXP HDMI2 E B C D2 _HDMI2 VA805 OPT VA810 OPT 5 6V HDMI_ARC R814 10K OPT D2 _...

Страница 22: ...3 6 CMI FHD 23 6 CMI 1 2 3 4 5 6 7 C1011 1uF 10V OPT WLED_ENABLE JP1006 JP1004 24V_BLU JP1005 JP1007 P1001 SM14B SRSS TB 24V 24V 24V 24V 24V GND GND GND GND GND ERROR_OUT INV_ON NC PWN_DIM GND LGD 21 6 26 Connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 WLED_DIM_ADJ R1044 0 1 1 LGD FHD CMI C1013 33uF 100V 55TO 105C 21 6 26 27 5 29 Panel C3430 1uF 50V 21 6 26 27 5 29 Panel C1014 1uF 50V 21 6 26 27 5 2...

Страница 23: ...4 DDR_1600_2G_NANYA EAN61859702 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_6 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 ...

Страница 24: ...ADDR 9 R1914 47 CI_SLOT PCM_A 13 AR1905 33 CI_SLOT PCM_WE C1907 0 1uF 16V CI_SLOT R1916 100K CI_SLOT PCM_A 10 PCM_A 11 CI_IOWR CI_MDI 3 FE_TS_VAL_ERR PCM_A 5 PCM_A 1 CI_WE PCM_IORD 5V_CI_ON L1900 BLM18PG121SN1D CI_SLOT PCM_REG CI_MDI 6 CI_MDI 2 CI_ADDR 4 R1902 100 CI_SLOT CI_ADDR 2 AR1906 33 CI_SLOT FE_TS_CLK CI_OE CI_ADDR 12 PCM_A 8 R1921 33 CI_SLOT CI_ADDR 14 CI_MIVAL_ERR CI_MISTRT AR1909 33 CI_...

Страница 25: ...R2601 0 T2 AR2600 0 T2 AR2602 0 T2 C2626 47uF 6 3V OPT AR2602 1 47 CHINA AR2600 1 47 CHINA AR2601 1 47 CHINA R2602 0 T2 R2623 12K 1 C2618 1uF 10V IC2600 AP7361 Y 13 3 ADJ NC 2 GND 4 IN 1 EN 5 OUT TU2600 TDJM G101D EU_TUNER LNB 1 B1 3 3V 2 NC_1 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 NC_2 9 NC_3 10 NC_4 11 B2 3 3V 12 ERROR 13 GND_1 14 MCLK 15 SYNC 16 VALID 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 ...

Страница 26: ...2701 2 2K 1W LNB C2702 33pF 50V LNB A_GND LNB_TX D2704 1 40V LNB_SX34 L2700 BLM18PG121SN1D LNB IC2700 A8303SESTR T LNB 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND D2701 30V MBR230LSFT1G LNB D2703 40V LNB_SMAB34 DEMOD_SDA C2712 0 22uF 25V LNB A_GND R2700 0 C2701 18pF 50V LNB C2707 10uF 25V...

Страница 27: ...R2865 470K OPT D2813 20V EU C2822 10uF 16V EU DTV MNT_R_OUT C2824 33pF 50V EU 4 7uF 10V C2810 OPT C2811 0 1uF 16V OPT DTV MNT_VOUT C2809 0 1uF 16V OPT 3 3V_Normal C2801 47pF 50V OPT IC2802 MM1756DURE OPT 3 BIAS 2 GND 4 OUT 1 IN 6 VCC 5 PS ZD2806 5 6B EU ZD2807 5 6B EU R2823 10K R2809 470K R2827 12K VA2803 5 6V OPT 3 3V_Normal R2800 75 1 R2825 1K R2801 75 1 R2821 75 1 R2820 470K R2824 10K R2826 12K...

Страница 28: ...00pF 50V R3452 10K OPT IC3450 TAS5733 1 OUT_A 2 PVDD_AB_1 3 PVDD_AB_2 4 BST_A 5 NC_1 6 SSTIMER 7 NC_2 8 PBTL 9 AVSS 10 PLL_FLTM 11 PLL_FLTP 12 VR_ANA 13 AVDD 14 A_SEL_FAULT 15 MCLK 16 OSC_RES 17 DVSSO 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS 29 GND 30 AGND 31 VREG 32 GVDD_OUT 33 BST_D 34 PVDD_CD_1 35 PVDD_CD_2 36 OUT_D 37 PGND_CD_1 38 PGND_CD_2 39 O...

Страница 29: ...OPT_P GPIO173 T19 LVACKP TTL_B 4 MCLK GPIO174 R21 LVACKM TTL_B 5 GCLK GPIO175 R20 LVA2P TTL_B 6 GST GPIO176 R19 LVA2M TTL_B 7 POL GPIO177 P20 LVA1P TTL_G 0 EPI0 GPIO178 P19 LVA1M TTL_G 1 EPI0 GPIO179 N20 LVA0P TTL_G 2 EPI1 GPIO180 N21 LVA0M TTL_G 3 EPI1 GPIO181 N19 LVB4P TTL_G 4 EPI2 GPIO182 M21 LVB4M TTL_G 5 EPI2 GPIO183 M20 LVB3P TTL_G 6 EPI3 GPIO184 M19 LVB3M TTL_G 7 EPI3 GPIO185 L20 LVBCKP TTL...

Страница 30: ... GND_56 K11 GND_57 L10 GND_58 M5 GND_59 M7 GND_60 M8 GND_61 M9 GND_62 M10 GND_63 N4 GND_64 N5 GND_65 N6 GND_66 N7 GND_67 N8 GND_68 N9 GND_69 N10 GND_70 P4 GND_71 P5 GND_72 P6 GND_73 P7 GND_74 P9 GND_75 P10 GND_76 P15 GND_77 P16 GND_78 P17 GND_79 P18 GND_80 R10 GND_81 R11 GND_82 R12 GND_83 R13 GND_84 R14 GND_EFUSE K7 AVDD_AU33 R4 AVDD_DDR0_CLK L11 AVDD_DDR1_CLK L13 AVDD_DDR0_CMD M11 AVDD_DDR1_CMD K...

Страница 31: ......

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