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LG 29FX6ALX Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : CW62A
MODEL : 29FX6ALX
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
29FX6ALX-ZG
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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  Summary of Contents for LG 29FX6ALX

  • Page 1: Service Manual

    COLOR TV SERVICE MANUAL CHASSIS : CW62A MODEL : 29FX6ALX MODEL : 29FX6ALX-ZG CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    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........................
  • Page 3: Description Of Controls

    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. POWER MUTE Remote control handset Before you use the remote control handset, please install the bat- teries.
  • Page 4 8. FAVOURITE selects a favorite programme. 9. EYE/ (option) POWER MUTE 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. MENU TV/AV exits the Teletext mode 12.
  • Page 5 Front panel Side panel 1. MAIN POWER (ON/OFF) switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 3. MENU selects a menu. 4. OK accepts your selection or displays the current mode.
  • Page 6: 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 7: Adjustment Instructions

    ¢ ¸ 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 8: Screen Voltage Adjustment

    (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 Eeprom_Slave horizontal line.
  • Page 9 (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> Deflection setting initial data (SERVICE 2) * Fix : Don’t change data (7) EW PARABOLA Adjust so that middle portion of the outermost left and right...
  • Page 10 9. Service adjustment data table <Table 7> OPTION 1, 2, 3, 4 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 W/O TXT=>200PR, W/TXT=>100PR Red Gain TOP=>Germany, Swiss, Austria, Italy Green Gain...
  • Page 11 <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 ENGLISH RUSSIAN ENGLISH RUSSIAN RESERVED RESERVED RESERVED...
  • Page 12 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 EAST EU W/O TEXT The same EAST EU CYRILLIC TEXT...
  • Page 13: Trouble Shooting

    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 Check the waveform at pin 4, 12 of...
  • Page 14 3) No Raster (2/2) Check the B + at D829 cathode Normal Abnormal OPEN Check Fuse of AC line Is the voltage each 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 IC823, IC824)
  • Page 15 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 Check IC501 pin 83, Check SMPS Trans...
  • Page 16 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 Check the signal line of SPK-N,P...
  • Page 17: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN...
  • Page 18 POWER SIDE-A/V CONTROL SMPS HARMONIC...
  • Page 20: Exploded View

    EXPLODED VIEW...
  • Page 21: Exploded View Parts List

    Drawing,Assembly CPT EARTH UL1015 AWG22-TBC 0.12X4X16MM 29INCH 6410VEH001M Power Cord Assembly, YP-205 TJC1-2Y 2.4M 400MM 250V 2.5A H03VVH2-F 30919E0061C Cover Assembly, 29FX6ALX CW62A 29”” SY-RA RA TOLL CW62A 50HZ 3091V00832G Cover Assembly, 29FX6RLQ-TA STEREO E_PHONE MC036A SY LOCAL 3091V00832P Cover Assembly, 29FX6ALX-ZG CW62A 29” SY-CIS...
  • Page 22: Replacement Parts List

    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 23 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 24 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 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 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 ACCESSORIES R911 0RS2201H609 RSD92T1J2K20 2.2KOHM 5% 1/2W 6.5X2.3 R912 0RD2204A609 RDM92T1J2M20 2.2MOHM 5% 1/2W 6.5X2.3 38289U0579H Manual, USER LG RUS/BZ03 RU/EN 112 TX R920 0RD4703A609 RDM92T1J470K 470KOHM 5% 1/2W 6.5X2.3 6710V00124V Remote Controller, 29FS2 W/O PIP W/ TXT R925 0RD2200F609 RD-96T1J220R 220OHM 5% 1/6W 3.2X1.8M...
  • Page 28 P/No : 38549D0024A 2006.01.20...
  • Page 29 May, 2006 P/NO : 38289S0051Y Printed in Korea...

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