LG 29FS4RL Service Manual Download Page 1

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COLOR TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : CW62A

MODEL: 29FS4RL/RLX

MODEL:

29FS4RL/RLX-ZG

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

Summary of Contents for 29FS4RL

Page 1: ...E MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CW62A MODEL 29FS4RL RLX MODEL 29FS4RL RLX ZG website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ety 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: ...perform an AC leakage current check on the exposed metallic 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 ...

Page 4: ...lays the current mode 5 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 6 SLEEP sets the sleep timer 7 PIP BUTTONS option PIP switches the sub picture on or off PR selects a programme for the sub picture SWAP alternates between main and sub picture INPUT selects the input mode for the sub picture SIZE adjusts the sub picture size STILL freez...

Page 5: ...und output option 13 Q VIEW or YELLOW returns to the previously viewed programme 14 LIST or BLUE displays the programme table No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Without TELETEXT PIP PR PR OK VOL VOL SWAP INPUT PR PR SLEEP FAVOURITE POSITION 9 4PIP STILL PIP SIZE EYE I II With PIP Without TELETEXT POWER MUTE 1 2 3 4 5 6 7 8 9 MENU...

Page 6: ...s menu settings D D E E Programme Up Down selects a programme or a menu item switches the set on from standby 5 REMOTE CONTROL SENSOR Note Only use the supplied remote control handset When you use others they ll be not able to function 6 AUDIO VIDEO IN SOCKETS AV IN3 Connect the audio video out sockets of external equipment to these sockets 7 EYE option adjusts picture according to the surrounding...

Page 7: ...pec and performance of parts based upon P N of B O M 5 Warm up TV set for more than 20min before the measurement No 1 2 3 4 5 6 7 8 Item Receiving System Available Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark EU Non EU OPTION Non EU EU NTSC M Non EU EU 200 PR W O TXT Specification PAL SECAM BG PAL SECAM DK PAL I I NTSC M NTSC 4 43 AV SECAM...

Page 8: ...is time 4 6 pole magnet is located to magnet of nothing 5 Move the DY to make equal red on whole screen and it does not to make the DY by fixed screw after check a simple color of Red Green Blue and white raster whether or not it is a pollution of color At this time take care raster of screen and DY must fixing in the condition which maintains a horizontality 6 Check the TV set by move direction 4...

Page 9: ...e by SVC communicator 3 Enter the deflection mode by selection SERVICE2 key on SERVICE MENU after enter the adjustment mode by pressing LINE SVC MODE IN START KEY 4 Use the CH D E key to select adjustment item 5 Use the VOL F G key to increase decrease data 7 2 Adjustment Note When adjusting a deflection adjust N50Hz of PAL signal first and adjust a deflection data at N60Hz NTSC Z60Hz N50Hz W50Hz ...

Page 10: ...P picture is in contact with main picture 8 Deflection setting initial data Table 4 Deflection setting initial data SERVICE 2 Fix Don t change data After finishing deflection adjustment at PAL 50Hz NTSC 60Hz is applied deflection compensation value But recheck condition of adjustment at NTSC system and adjust deflection data if necessary Adjust PIP Position adjustment at only PAL 50Hz 10 Fig 2 PAL...

Page 11: ...VOLL R AUX3 VOL SCART1 RF SOUND OUT FM WINDOW FILTER FMWS BOOSTER MAX VOLUME DCXO 29 S SLIM 0 0 0 0 0 0 0 0 0 0 0 100 63 ITEM INCH SYSTEM 200PR TOP ACMS CH AU BOOSTER SOUND PIP VOL CURVE A2 STEREO I II SAVE HIDEVIAT High deviation SCART DVD XWAVE EYE 4KEY TILT DEGAUSS Degaussing OSD LANG TXT LANG REMOCON HOTEL TURBOSCH Turbo search TURBOP S picture sound DCXO A DCXO auto adjust OPTION1 OPTION2 OPT...

Page 12: ...ED RESERVED ENGLISH EAST EU ALL ENGLISH RUSSIAN RESERVED RESERVED RESERVED RESERVED RESERVED ENGLISH EU 7EA WEST EU ALL ENGLISH 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 DUTCH PORTUGUESE ENGLISH GERMAN FRENCH ITALIAN SPANISH DUTCH SWEDISH N...

Page 13: ...ol and Earphone transmits a FM through transmitter of inner part in MICOM BOARD to TV sound MONITOR OUTPUT 1 Execute in channel generating voice signal 2 Select a transmitted frequency in MENU OSD MENU SOUND TRANSMITTER frequency selection 87 7MHz 3 A received frequency in an exclusive remote control or received FM Radio is tuned by 87 7MHz 107 7MHz which is same as frequency in OSD 4 Check out wh...

Page 14: ...ck the waveform at pin 4 12 of IC601 Check Replace Q603 NO OK Check the waveform at pin 6 of IC601 Check Replace IC601 NO OK Check the waveform at pin 1 2 14 15 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 P402A Check 197V line of CPT Board if no problem check and Replace Check the Heater pulse of FBT T402 Check RF901 P402 P40...

Page 15: ...501 Check T401 each pin voltage Check Q401collect waveform Check Replace T402 Check the voltage 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 Chec...

Page 16: ... pin8 12 SCL SDA Check IC12 EEPROM SCL SDA Line Check pin3 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 ...

Page 17: ...pin57 58 of IC501 OK Check the signal line of SPK N P Check 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 pin3 13 of IC601 Check Replace R823 D826 Correct the Board Check the waveform at pin1 2 14 15 of IC601 Repla...

Page 18: ... 18 PRINTED CIRCUIT BOARD MAIN ...

Page 19: ... 19 LED PRE AMP HARMONICS DEFLECTION SIDE A V CONTROL POWER ...

Page 20: ...BLOCK DIAGRAM 20 ...

Page 21: ...MEMO 21 ...

Page 22: ... 22 EXPLODED VIEW 300 501 580 503 400 520 120 310 530 600 540 331 330 320 570 112 913 170 150 P1112 ...

Page 23: ...EBR30770305 PCB Assembly MAIN1 M I CW62A 29FS4RLX ZG QDRLLBK SY TO KIEV EBR30770311 PCB Assembly MAIN1 M I CW62A 29FS4RLX ZG KDRLLEY SY TO KIEV 530 EBR30680701 PCB Assembly SUB M I CW62A 29FS4 SY TO CIS SKD CONT M I ASSY EBR30756002 PCB Assembly SUB M I CW62A 29FS2 CONT BOARD SY TO CIS 540 EBR30681801 PCB Assembly MAIN1 M I CW62A 29FS4 SY TO CIS SKD POWER BOARD EBR30756004 PCB Assembly Sub SUB M I...

Page 24: ...PCMP 389 52434 0 43UF 5 400V MPP 40 MPP224J2GD 220nF 5 400V MPP 40TO 85 PPN393K2GH 39nF 10 400V PP 40TO 85C PCMP 389 52434 0 43UF 5 400V MPP 40 LOCA NO PART NO DESCRIPTION IC12 IC301 IC302 IC601 IC802 IC810 IC823 IC824 IC826 IC901 Q602 Q830 Q105 Q1106 Q201 Q202 Q204 Q301 Q302 Q303 Q401 Q402 Q502 Q503 Q504 Q505 Q506 Q603 Q803 Q804 Q805 Q806 Q809 Q810 Q811 Q840 D101 D102 D11 D301 D302 D401 D403 0IAL...

Page 25: ...uF 20 50V 20MA LOCA NO PART NO DESCRIPTION C503 C504 C505 C506 C509 C510 C512 C513 C516 C519 C520 C530 C531 C532 C533 C535 C536 C538 C540 C542 C544 C546 C547 C548 C551 C553 C554 C556 C557 C558 C559 C561 C562 C563 C564 C569 C570 C571 C572 C573 C574 C575 C576 C577 C578 C579 C580 C581 C584 C585 C586 C587 0CQ6821N509 0CE107DD618 0CN1040K949 0CQ1031N509 0CE106DF618 0CN1040K949 0CN1040K949 0CE337DD618 0...

Page 26: ...KXA 560pF 10 2000V Y5R 25T SDE102M09FS1 1nF 20 4000V Y5U 25TO LOCA NO PART NO DESCRIPTION C901 C903 C904 C906 C910 R1201 R1202 J549 L102 L1102 L1407 L1408 L204 L206 L207 L401 L402 L501 L503 L504 L505 L506 L507 L509 L511 L514 L548 L801 T401 T402 T801 T801 C1 C2 C3 C4 C5 C6 JW401 JW8A JW8B P101 P1113 P11A P12A P12B P13A P1407A 0CE475DR618 181 033S 0CE475DR618 0CN1030F679 0CN5610K519 0CN1010K519 0CN1...

Page 27: ...13 R213 R214 R215 R216 R217 R220 R221 R221 R222 R223 R225 R226 R227 R228 R229 R23 R252 R253 R301 R303 R304 R306 R307 R308 R309 R310 R311 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R328 R340 R341 R403 R404 R407 0RD0752F609 0RD0752F609 0RD5602F609 0RD0682F609 0RD1201A609 0RD1201F609 0RD1201F609 0RD5602F609 0RD2402F609 0RD4702F609 0RD4702F609 0RD0752F609 0RD1000F609 0RD1001F609 ...

Page 28: ...1 8M LOCA NO PART NO DESCRIPTION R568 R569 R569 R572 R576 R577 R580 R581 R582 R583 R584 R585 R587 R591 R592 R595 R606 R608 R611 R612 R613 R616 R617 R618 R619 R801 R811 R812 R813 R813 R816 R817 R819 R820 R821 R822 R823 R824 R825 R826 R829 R830 R831 R832 R834 R835 R836 R837 R838 R841 R842 R843 0RD0912F609 0RD1000F609 0RD1001F609 0RD1000F609 0RD0912F609 0RD0912F609 0RD4701F609 0RD4701F609 0RD4702F609...

Page 29: ...A VERTICAL THVH472GBC 1C1P 12VDC 0 05A VERTICAL THVH472GBC 1C1P 12VDC 0 05A VERTICAL SDKEA3012A AC 250VAC 8A 1PCS 2C1P HOR WSP 351M AXIAL 350V 350V 7 5MM TP 152F L3N S 23 RADIAL 1 5KV 1 5KV 5M 152F L3N S 23 RADIAL 1 5KV 1 5KV 5M 152F L3N S 23 RADIAL 1 5KV 1 5KV 5M WSP 122N AXIAL 1 2KV 1 2KV TP WSP 351M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP 125...

Page 30: ...P No 38549D0024A 2006 01 20 ...

Page 31: ...SVC SHEET 38549D0024A S ...

Page 32: ...May 2006 Printed in Korea P NO MFL30504606 ...

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