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LG 29FU1RL Service Manual
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LG 29FU1RL Service Manual

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P/NO : MFL37773222
Apr., 2009
Printed in China
North/ Latin America
Europe/Africa
Asia/Oceania
COLOR TV

SERVICE MANUAL

CHASSIS : CW62C
MODEL : 29FU1RL
MODEL :
29FU1RL-T1
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com

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Summary of Contents for LG 29FU1RL

  • Page 1: Service Manual

    North/ Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com COLOR TV SERVICE MANUAL CHASSIS : CW62C MODEL : 29FU1RL MODEL : 29FU1RL-T1 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Apr., 2009 P/NO : MFL37773222 Printed in China...

  • Page 2: Table Of Contents

    APC ............Automatic Picture Control SYNC ..............Synchronization S.I.F..........Sound Intermediate Frequency BM ..................B+ Main V.I.F ..........Video Intermediate Frequency BT .................B+ Tuning Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 2 - Only for training and service purposes.

  • Page 3: Safety Precautions

    X-radiation protection circuits also must be reconfirmed each time whenever appropriate. Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes.

  • Page 4: Adjustment Instructions

    2 3 4 5 6 7 8 9 Gray Scale Color Bar (Fig. 2) MONO SCOPE (3) After finishing adjustment, press the ADJ Key to exit. Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 4 - Only for training and service purposes.
  • Page 5 (17) V ZOOM screen of the CPT. Setting the CPT Default(Initial data) value like that, because it is decide by CPT DY value Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 5 - Only for training and service purposes.
  • Page 6 V SYNSLI Over voltage input mode adjust if necessary OVRVOLIN V GUARD Vertical guard mode adjust if necessary Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 6 - Only for training and service purposes.
  • Page 7 DCXO VALUE Digital Ctl Xtal Osc. DCXOA DCXO ALIGNMENT BAMA FC SNDSTEP SNDRANGE MONO TH STEREO TH GAME ADC GAME ADC LEVEL(0~30) Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes.
  • Page 8 PEAK WHITE LIMITER DAC IFOFF IF DEMODULATIOR OSD HPOS OSD H-POSITION CAPTION H-POSITION CAP HPOS CHSE CHROMA SENSITIVITY AUTO COLOR LIMITING Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 8 - Only for training and service purposes.
  • Page 9 4) Check out whether a signal generating to MAIN SPEAKER generates in earphone or receiver or not. 5) There is no alternation and setting of adjusted DATA in the process of inspecting FM TX. Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes.

  • Page 10: Purity & Convergence Adjustment

    9 o'clock positions, approximately one (1) inch picture tube and then slide the yoke completely forward. from the edge of the mask (use double-sided tape). Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 10 -...
  • Page 11 4. Adjust the Red, Green and Blue Bias controls to get a dim white line. 5. Restore the screen by removing the horizontal line. Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes.
  • Page 12 (left to right) motion to converge the red and blue horizontal lines. (Fig. upper right) Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 12 - Only for training and service purposes.

  • Page 13: Svc Remocon

    SVC REMOCON Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes.

  • Page 14: Troubleshooting

    8, 9, 11, 12 of IC601 Check the voltage at pin 5, 7 of IC601 Check Check FR901, P403A, IC901, P403A , FR401 P902B Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 14 - Only for training and service purposes.
  • Page 15 Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes.
  • Page 16 IC501 pin 83, 84,85 (R,G,B out) P20A P20A (R, G, B out of IC501) (R, G, B out of IC501) Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 16 - Only for training and service purposes.
  • Page 17 Does the auto-Program operate properly 8 9 11 2 Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes.

  • Page 18: Block Diagram

    BLOCK DIAGRAM Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 18 - Only for training and service purposes.
  • Page 19 MEMO Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes.

  • Page 20: 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. Copyright©2009 LG Electronics.Inc. All right reserved. LGE Internal Use Only - 20 -...
  • Page 21 P/N:EBY37965601...
  • Page 22 MAIN POWER CONTRL Copyright©2009 LG Electronics.Inc. All right reserved. Only for training and service purposes. LGE Internal Use Only...

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