LG 29FS2AL Service Manual

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P/NO : MFL30504604
All manuals and user guides at all-guides.com
May., 2007
Printed in China
COLOR TV
SERVICE MANUAL
CHASSIS : CW62A
MODEL: 29FS2AL/ALX/BLX
MODEL:
29FS2AL/ALX/BLX-ZG
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com

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  Summary of Contents for LG 29FS2AL

  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com COLOR TV SERVICE MANUAL CHASSIS : CW62A MODEL: 29FS2AL/ALX/BLX MODEL: 29FS2AL/ALX/BLX-ZG CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. May., 2007 P/NO : MFL30504604 Printed in China...
  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS Contents ........................2 Safety Precautions....................3 Control Descriptions..................4 Specifications......................7 Adjustment Instructions .................8 T rouble Shooting ....................14 Printed circuit board..................18 Block Diagram .....................20 Exploded View....................22 Exploded View Parts List ................23 Replacement Parts List .................24 SVC. Sheet........................- 2 -...
  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. 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.
  • Page 4: Control Descriptions

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the bat- teries.
  • Page 5 All manuals and user guides at all-guides.com 8. FAVOURITE selects a favorite programme. 9. EYE/ (option) switches the eye function on or off. 10. MUTE switches the sound on or off. 11. TV/AV selects TV or AV mode. switches the set on from standby. exits the Teletext mode.
  • Page 6 All manuals and user guides at all-guides.com Front panel ON/OFF ON/OFF Side panel 1. MAIN POWER (ON/OFF) 6. AUDIO/VIDEO IN SOCKETS (AV IN3) switches the set on or off. Connect the audio/video out sockets of external equipment to these sockets. 2.
  • Page 7: Specifications

    4) Follow each drawing or spec for spec and performance of Test and Inspection Method parts,based upon P/N of B.O.M 1) performance : Follow the Standard of LG TV test 5) Warm up TV set for more than 20min. before the 2) Standards of Etc. requirement measurement.
  • Page 8: Adjustment Instructions

    (5) The receiver must be operated for about 15 minutes prior to the adjustment. 15 ~ 20mm PURITY Adjustment (6) Signal: Received, the standard color signal.(65dB±1dB uV) LG standard signal means the digital pattern Let the screen Standard condition. DY Fixing (PAL_EU 05CH). Operate Heat-Run at least 15 minutes.
  • Page 9 All manuals and user guides at all-guides.com (5) Open angle of the two tab of 6 pole magnet by isogonic 2. White balance IIC Parameter(Address) angle and accord with vertical line of Red/Blue and Green. Program Win31_wb Win31_wb TWB Speed Delay (6) Maintain as angle of (5) and rotate the tab to accord with Vcd Slave...
  • Page 10 All manuals and user guides at all-guides.com (6) EW WIDTH Adjust until the outmost left and right lattice of received pattern is accord with 25% of other lattice width. <Fig. 4> PIP H Position 8. Deflection setting initial data <Fig. 2>PAL Digital pattern (EU05CH) <Table 4>...
  • Page 11 All manuals and user guides at all-guides.com <Table 7> OPTION 1, 2, 3, 4 9. Service adjustment data table ITEM Description <Table 5> Picture setting service data1 (SERVICE 1) OPTION1 INCH 29 S-Slim/ 29 N-Flat ITEM DESCRIPTION 29” S-SLIM SYSTEM BG/DK/I/M, BG/DK/I/L ACG take over 200PR...
  • Page 12 All manuals and user guides at all-guides.com <Table 8> OSD & TEXT LANGUAGES SOUTHEAST ASIA ENGLISH ENGLISH INDONESIAN MALAY VIETNAMESE THAI RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED EAST EU CYRILLIC TEXT ENGLISH EAST EU ALL ENGLISH GERMAN RUMANIAN POLISH HUNGARIAN CZECH RUSSIAN BULGARIAN...
  • Page 13 All manuals and user guides at all-guides.com ARAB TEXT ENGLISH ARABIC ENGLISH FRENCH ARAB URDU PARSI ENGLISH FRENCH ARAB ARAB ALL PARSI ENGLISH FRENCH ARAB URDU PARSI RESERVED RESERVED RESERVED RESERVED PARSI TEXT The same ARAB TEXT SOUTHEAST W/O TEXT The same SOUTHEAST ASIA TEXT WEST EU W/O TEXT The same WEST EU GREEK TEXT...
  • Page 14: Trouble Shooting

    All manuals and user guides at all-guides.com TROUBLE SHOOTING 1. RF-STEREO MODEL 1) PICTURE OK / NO SOUND Selected correct system in menu Check the waveform IF 1 of TU101 Check/ Replace TU101 or Input signal Check the voltage at pin 3, 9, 16, 43, Check the waveform at pin 4, 5 of IC501 Check/ Replace IC501 86, 88, 90 of UOCIII...
  • Page 15 All manuals and user guides at all-guides.com 3) No Raster (2/2) Check the B + at D829 cathode Normal Abnormal OPEN Is the voltage each Check Fuse of AC line pin voltage of IC501 Check/ Replace Fuse Check the in/out of r e g u l a t o r ( I C 8 2 2 , Check pin 73 of Check the voltage of...
  • Page 16 All manuals and user guides at all-guides.com 4) No Picture/ No Sound Is any OSD displayed? Check IC501 pin 83, Check receiving system in MENU 84, 85 (R, G, B out) & execute Auto - Program Does the auto - Program operate properly Store on manual -program MENU Check the waveform...
  • Page 17 All manuals and user guides at all-guides.com 2. AV STEREO/ MONO MODEL Select correct system in menu Check the connection of AV equipment Does the auto - Program Check TU101 Tuner operate properly Check the voltage of pin3, 9, Check the waveform at 16, 43, 86,88,90 of IC501 pin57, 58 of IC501 Check the waveform at...
  • Page 18: Printed Circuit Board

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN - 18 -...
  • Page 19 All manuals and user guides at all-guides.com POWER CONTROL SIDE-A/V DEFLECTION LED + PRE-AMP HARMONICS - 19 -...
  • Page 20: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 20 -...
  • Page 21 All manuals and user guides at all-guides.com MEMO - 21 -...
  • Page 22: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW P1112 Option - 22 -...
  • Page 23: Exploded View Parts List

    Bracket, REAR AV 29FS2RLX-TG CW62A HIPS 51SF LGESY LOCAL EBR30755601 PCB Assembly, MAIN1 M.I CW62A 29FS2ALX-ZG QDRLLBK SY TO KIEV EBR30770317/18 PCB Assembly, MAIN1 M.I CW62A 29FS2AL-ZG QDKLLBA SY TO LGEAK SKD 6871 EBR30770341/54 PCB Assembly, MAIN1 M.I CW62A 29FS2BLX-ZG QRULLCU SY TO LGERA SKD 6871 EBR30921805/06/07/08 PCB Assembly, MAIN1 M.I CW62A 29FS2ALX SY-MA-ROMANIA SKD...
  • Page 24: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 25 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 26 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 27 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 28 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 29 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the characters at 2nd and 3rd CQ : Polyester RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 30 All manuals and user guides at all-guides.com P/No : 38549D0024A 2006.01.20...
  • Page 31: Svc. Sheet

    All manuals and user guides at all-guides.com SVC. SHEET : 38549D0024A-S...

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