LG 29FU1RL/RG Page 13 Service Manual Download | Manualshive

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2. AV STEREO/ MONO MODEL

Select correct system in menu

OK

OK

OK

OK

NO

NO

Does the auto - Program
operate properly

Check TU101 Tuner

Check the voltage of pin2, 11,
18, 35, 36,55,61, 68, 75 of IC501

Check the waveform at
pin26, 25 of IC501

OK

Check the signal line of SPK-N,P

Check the waveform at
pin4, 12, of IC601

NO

NO

OK

Check pin71 (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
AV Board P201A

Check the voltage at
pin5, 7 of IC601

Check/ Replace
R822, D827

Correct the Board

Check the waveform at
pin8, 9, 11, 12 of IC601

Replace IC601

Copyright©2010 LG Electronics.Inc. All right reserved.
Only for training and service purposes.

LGE Internal Use Only

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Summary of Contents for 29FU1RL/RG

Page 1: ...SSIS CW91A MODEL 29FU1RL RG MODEL 29FU1RL RG TK May 2010 Printed in China P NO MFL62077307 North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 ...

Page 2: ...tions 5 T rouble Shooting 10 Printed circuit board 14 Block Diagram 16 Exploded View 18 SVC Sheet Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 ...

Page 3: ...ennas 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 other ohm meter lead in turn to each...

Page 4: ...sia Middle East Africa PAL Model NTSC Model Asia Others PAL Model NTSC Specification PAL BG DK I NTSC M AV3 58 4 43 PAL BG DK I NTSC M AV3 58 4 43 SECAM DK PAL NM NTSC M AV3 58 PAL BG DK I NTSC M AV3 58 4 43 SECAM BG DK L VHF E2 E12 UHF E21 E69 CATV S1 S20 HYPER S21 S41 VHF 2 13CH 12CH UHF 14 69CH 56CH CATV 1 125CH 113CH AC 220Vac 50 60Hz AC 110 240V 50 60Hz Latin America China Indonesia Philippin...

Page 5: ... and the blue color portion on the right side have equal amount of color f Pull the DY slowly backward and fix it when the whole screen becomes red The specified torque for fixing DY screw should be 10Kg cm 3 2 2 Convergence adjustment 1 Necessary Instrument a Degaussing Coil b Convergence fixing instrument special tools 2 Adjustment Preparation a Operate the unit at the least 15 minutes before ad...

Page 6: ...tment 3 6 1 Adjustment preparation 1 NTSC Received LG standard Mono scope pattern CH14 Set the picture condition on APC ON CLEAR mode 2 PAL Received PAL B G 5CH pattern Set the picture condition on PSM ON DYNAMIC mode 3 6 2 Adjustment 1 Press the ADJ key of the factory remote control twice to enter to SUB BRIGHTNESS adjustment mode 2 NTSC MODEL Change the Sub Brightness data by pressing the VOLF V...

Page 7: ...ircle pattern may be located within the effective screen of the CPT 5 H SHIFT Horizontal Shift Adjust so that the Horizontal center line of a digital circle pattern is in accord with geometric vertical center of the CPT 6 EW WIDTH Horizontal Width Adjust to that a digital circle pattern looks like exact circle 7 EW PARAB East west PARABOLA Adjust so that middle portion of the outer most left and r...

Page 8: ...FM Prescaler Stereo L R Description 29 Slim 29 FLAT AK 29 Slim AK2 Remarks 29 TS Slim ITEM V SLOPE V SHIFT V LINEAR V AMPLIT H SHIFT EW WIDTH EW PARAB EW TRAPE EW UPCOR EW LOCOR H BOW H PARALL SCORRECT V SCROLL V ZOOM WBR WBF V SYNSLI Vertical slope Vertical shift Vertical linearity Vertical amplitude Horizontal shift EW width Parabola adj Trapezoid adj Upper corner adj Lower corner adj Horizontal...

Page 9: ...CART DVD SAV 4KEY EYE GAME XWAVE DEGAUSS CODE 3 10 6 OPTION4 Function REMARK FUNCTION OPTION 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 ENGLISH NIGERIAN RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED ENGLISH EASTASIA RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED OSD LANG TXT LANG TELE TEXT CODE 3 11 IN STOP Mode setting Power Input LAST CHANNEL MEMORY CHANNEL SOUND CSM MUTE TORBO SOUND XD ...

Page 10: ...t pin 63 of IC601 Check Replace IC601 NO OK Check the waveform at pin 2 72 76 of IC601 Check Replace R822 D827 Check the Heater voltage of CPT 6 0 6 4 Vrms Check R G B out of CPT board Check IC901 P403 Check 200V line of CPT Board if no problem check and Replace Check the Heater pulse of FBT T402 Check FR901 P403 P902B FR401 Check FBT T402 Check HV Screen voltage of CPT Check FBT T402 NO OK Check ...

Page 11: ...tage pin4 of IC810 Check Replace IC810 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 IC810 NO OK NO Normal Abnormal Check Replace Q402 Check Replace T401 Check Replace Q401 Check Q402 collector waveform Check Replace IC501 NO OK Copyright 2010 LG Electronics Inc All right reserved Only for trainin...

Page 12: ...n 8 7 6 R G B out Check SMPS Trans Secondary Voltage Go to No sound picture OK Check the waveform pin20 H out Check IC501 pin 8 7 6 R G B out Check receiving system in MENU execute Auto Program Does the auto Program operate properly Store on manual program MENU Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 522 tu2522 tu2522 tu25 5...

Page 13: ...of IC601 NO NO OK Check pin71 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 AV Board P201A Check the voltage at pin5 7 of IC601 Check Replace R822 D827 Correct the Board Check the waveform at pin8 9 11 12 of IC601 Replace IC601 Copyright 2010 LG Electronics Inc All right reserved Only for training and service p...

Page 14: ...INTED CIRCUIT BOARD MAIN Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 ...

Page 15: ...15 CONTROL LED Power Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 ...

Page 16: ... 2 0 2 1 H F B H O U T 4 9 E W 3 4 R F M N T V o u t 3 1 3 2 3 3 A V 1 V L R 2 8 2 9 3 0 A V 2 V L R 2 3 2 4 R F M N T L R o u t 1 2 1 3 1 4 1 5 R G B F B O r Y P B P R S P K L R o u t 4 8 4 7 V B V A 6 7 8 9 R G B I K 6 0 X T A L I N 5 9 X T A L O U T 6 3 A B N 6 5 D E G 6 6 E Y E 1 I R 7 6 7 7 S D A S C L 2 1 0 A B L 5 7 5 3 3 V 5 6 D E C D I G 2 5 V 5 5 3 5 1 8 5 V 3 6 8 V 1 6 8 1 8 V 6 7 K E Y...

Page 17: ...MEMO 17 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 ...

Page 18: ...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 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use...

Page 19: ...P N 3854VA0196H tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 tu2522 ...

Page 20: ...SVC SHEET 3854V A0196H S 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 522 tu2522 tu2522 tu25 ...

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