LG 25FB7RLE Скачать руководство пользователя страница 20 | Manualshive

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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 permission of manufacturer.

IMPORTANT SAFETY NOTICE

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Copyright©2008 LG Electronics.Inc. All right reserved.
Only for training and service purposes.

LGE Internal Use Only

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Содержание 25FB7RLE

Страница 1: ...THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CW62D MODEL 29FU6RSD RS MODEL 29FU6RSD RS T5 North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Sep 2008 Printed in China P NO MFL42090903 Internal Use Only ...

Страница 2: ...Specifications 4 Adjustment Instructions 5 T rouble Shooting 13 Printed circuit board 17 Block Diagram 19 Exploded View 20 SVC Sheet Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 3: ...ic parts of the cabinet such as antennas terminals 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 o...

Страница 4: ...MODEL OPTION Korea Taiwan North America Middle south American Japan 1 EU Non EU Model 2 NTSC M Multi model NTSC M Korea Middle south America North America Japan Taiwan NON EU EU NTSC MODEL PAL MODEL 200 PR W O TXT Specification 1 NTSC M 2 NTSC M PAL M N 1 PAL SECAM BG 2 PAL SECAM DK 3 PAL I I 4 NTSC M 5 NTSC 4 43 AV 6 SECAM L L 7 NTSC M PAL M N 1 VHF 02 13 UHF 14 69 CATV 02 125 2 VHF UHF 1 62CH CA...

Страница 5: ... R Land be centered as cross Purity Magnet That time 4th 6th magnet should keep free gauss status e Make uniform RED Raster as moving DY Check there is purity problem or not on R G B white Raster Then Fix screw of DY At this time be careful about inclination and DY should be fixed keeping horizontality f Check the TV in direction of EAST WEST SOUTH NORTH Adjust with supporting MAGNET when adjustme...

Страница 6: ...dress 3 Color coordinate 3 4 Deflection Setting Data Adjustment When adjust manual as follow 3 4 1 Adjustment Preparation 1 TV set receive Digital pattern PAL E5ch 2 Deflection setting data adjustment can be done only with remote control 3 Press the INSTART Key on the factory remote control continuously to enter Deflection Adjustment mode 4 Press the CHD E Key to select adjustment item 5 Press the...

Страница 7: ...ith the top and the undersurface horizontal scope When picture distorts adjust until it is the square 9 EW UPCOR EW LOCORR Adjust so that corner vertical line of upper left upper right lower left and lower right to be optimization 10 H BOW Adjust until distortion scope of the edge part in the top and the undersurface of the picture are the same 11 H PARALL ANGLE In angle adjustment adjust until in...

Страница 8: ...allelogram S correction Vertical shift Vertical zoom Timing of Wide Blanking Timing of Wide Blanking Vertical slicing level Over voltage input mode Vertical guard mode 15 51 40 27 25 32 38 22 48 57 40 30 32 21 25 7 2 0 0 1 15 45 40 25 35 35 45 15 45 55 35 30 32 21 25 7 2 0 0 1 15 35 35 25 21 46 46 40 52 50 40 40 38 21 25 7 2 0 0 1 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Adjust if necessary...

Страница 9: ...sound COUNTRY Europe only LGEINVOL Southeast Asia only BLUEBACK SoutheastAsiaonly QUARRAN Arab Europeonly TEXT TS AKCPT OPTION1 OPTION2 OPTION3 OPTION4 OPTION5 Description 0 29S Slim 1 28 Flat 2 29 Flat 3 25 Flat BG DK I M BG DK I L 1 W O TXT 200PR 0 W TXT 100PR 0 FLOF 1 TOP Germany Swiss Austria Italy 0 OFF 1 ON Auto channel memory system 0 OtherArea 1 China AustraliaFrequencytable 0 otherCPT 1 T...

Страница 10: ...RVED RESERVED RESERVED RESERVED RESERVED ENGLISH EU 7EA WEST EU ALL ENIGLISH GREEK RESERVED RESERVED RESERVED RESERVED ENGLISH INDONESIAN MALAY VIETNAMESE THAI ENGLISH GERMAN RUMANIAN POLISH HUNGARIAN CZECH RUSSIAN BULGARIAN ENGLISH RUSSIAN ENGLISH GERMAN FRENCH ITALIAN SPANISH NETHERLANDISH PORTUGUESE ENGLISH GERMAN FRENCH ITALIAN SPANISH NETHERLANDISH SWEDISH NORWEGIAN DANISH FINNISH PORTUGUESE ...

Страница 11: ... TRANSMITTER Performance checking process after antenna lay out FM TRNASMITTER Function send TV sound MONITOR Output to FM by receiver in MICOMBOARD and achieve sound signal by special remocon and ear phone Remarks Even if don t use special remocon ordinate FM receiver equipment can receive sound signal with receive frequency of OSD setting Check in LG 5 25 channel or channel with sound output Cho...

Страница 12: ...cture process This adjustment specification shows for only reference Audio Out Level SPEC PAL B G D K I 500mVrms at 54 modulation ratio SECAM B G D K L L 500mVrms at 54 modulation ratio PSM CONTRAST BRIGHT COLOR SHARPNESS Dynamic 100 60 60 60 Standard 90 55 55 60 Mild 60 55 55 50 Game 50 55 60 50 Power Input MEMORY CHANNEL SOUND MUTE PSM XD SSM TORBO SOUND AVL BALANCE ON OFF TIME AUTO SLEEP CHILD ...

Страница 13: ...O OK Check the waveform at pin 6 of IC601 Check Replace IC601 NO OK Check the waveform at pin 8 9 11 12 of IC601 Check Replace R823 D826 Check the Heater voltage of CPT 6 6 4 Vrms Check R G B out of CPT board Check IC901 P403A Check 197V line of CPT Board if no problem check and Replace Check the Heater pulse of FBT T402 Check FR901 P403A P902B FR401 Check FBT T402 Check HV Screen voltage of CPT C...

Страница 14: ...m Check Replace T402 Check the voltage pin4 of IC801 Check Replace IC801 IC802 Q830 Check Fuse and Diode of secondary Load of SMPS trans T801 Check the B at D829 cathode OPEN Check Replace DB801 NO Check Replace Fuse and IC801 NO OK NO Normal Abnormal Check Replace Q402 Check Replace T401 Check Replace Q401 Check Q402 collector waveform Check Replace IC501 NO OK Copyright 2008 LG Electronics Inc A...

Страница 15: ...3 Reset Voltage Check IC501 pin 83 84 85 R G B out Check SMPS Trans Secondary Voltage Go to No sound picture OK Check the waveform pin73 H out Check IC501 pin 83 84 85 R G B out Check receiving system in MENU execute Auto Program Does the auto Program operate properly Store on manual program MENU Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Intern...

Страница 16: ...ck the waveform at pin4 12 of IC601 NO NO OK Check pin5 mute of IC501 Check the waveform at pin6 of IC601 OK NO NO Check the connection of AV equipment AV OK OK Check the connection of side or Front AV Board P201A Check the voltage at pin5 7 of IC601 Check Replace R823 D826 Correct the Board Check the waveform at pin8 9 11 12 of IC601 Replace IC601 Copyright 2008 LG Electronics Inc All right reser...

Страница 17: ... 17 PRINTED CIRCUIT BOARD MAIN Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 18: ... 18 POWER CONTROL LED SIDE AV PIP Option Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 19: ...BLOCK DIAGRAM 19 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 20: ...iagram 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 112 320 330 331 540 300 Copyright 2008 LG Electronics Inc All right reserved Only for training and service pu...

Страница 21: ... 2008 03 12 ...

Страница 22: ...SVC SHEET EBY42399901 S ...

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