LG 29FB5RL, Service Manual

Page 1: ...HE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CW62A MODEL 29FB5RL RLX MODEL 29FB5RL RLX ZG website http biz LGservice com e mail http www LGEservice com techsup html All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...trol Descriptions 4 Specifications 7 A djustment Instructions 8 Trouble Shooting 14 Printed circuit board 18 Block Diagram 20 Exploded Vi ew 22 Exploded Vi ew Parts List 23 Replacement Parts List 24 S VC Sheet All manuals and user guides at all guides com ...

Page 3: ...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 ohm meter to the AC pl...

Page 4: ... 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 freezes motion of the sub pi...

Page 5: ...IEW 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 TV 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 TV AV 0 PR PR OK VOL...

Page 6: ...ramme 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 conditions FRONT ON OFF MEN...

Page 7: ...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 L L NTSC M PAL M N VHF...

Page 8: ... 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 2 Convergence adjustme...

Page 9: ... 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 Z50Hz After finishing d...

Page 10: ... 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 Digital pattern EU05CH...

Page 11: ... 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 OPTION3 OPTION4 Description 29 S Slim ...

Page 12: ...T 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 NORWEGIAN DANISH FINNISH...

Page 13: ...ts 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 whether a signal generati...

Page 14: ...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 P402B FR401 Check FBT T402...

Page 15: ... 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 Check Replace IC501 NO OK A...

Page 16: ...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 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ...eck 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 Replace IC601 All manuals an...

Page 18: ... 18 PRINTED CIRCUIT BOARD MAIN All manuals and user guides at all guides com ...

Page 19: ... 19 HARMONIC POWER CONTROL LED A V All manuals and user guides at all guides com ...

Page 20: ...BLOCK DIAGRAM 20 All manuals and user guides at all guides com ...

Page 21: ...M E M O 21 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 22: ... 22 EXPLODED VIEW 310 913 170 150 112 120 120 121 121 300 520 503 501 540 550 P1112 400 943 330 320 All manuals and user guides at all guides com ...

Page 23: ... LGEMA 049A 8G068 MA SET 3809V00A55L Cover Assembly RT 29FB55VE 2PHONE 049A C SKD 8G068 AK TOOL 501 MAZ30452903 Bracket MOLD HIPS 403AF MAIN 29FB5 CW62A HIPS 407AF SY LOCAL 503 3500V00036D Base MOLD HIPS AV RT 29FA55RB MC 022A 8G068 SY LOCAL 520 EBR30770322 PCB Assembly MAIN1 M I CW62A 29FB5RL ZG NDKLLDA SY TO LGEAK EBR30921901 PCB Assembly MAIN1 M I CW62A 29FB5RLX SY MA POLAND CKD EBR30921902 PCB...

Page 24: ...75MA RH UP050 B471K B B 470pF 10 50V Y5P RH UP050 B101K B B 100pF 10 50V Y5P RH UP050 B471K B B 470pF 10 50V Y5P LOCA NO PART NO DESCRIPTION IC12 IC301 IC302 IC601 IC802 IC810 IC823 IC824 IC826 IC901 Q602 Q830 Q105 Q1106 Q201 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 D405 0IAL241610B 0IPMGPH002A 0IKE455800E...

Page 25: ...ION 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 C590 C591 0CN1040K949 0CQ1031N509 0CE106DF618 0CN1040K949 0CN1040K949 0CE337DD618 0CE226DD618 181 007F 0CN1040K949 0CN2220F569 0CN2230H949 0CF4741...

Page 26: ...2nF 10 2000V Y5P LOCA NO PART NO DESCRIPTION C904 C906 C908 C910 R1201 R1203 J549 L102 L204 L206 L207 L401 L402 L501 L503 L504 L505 L506 L507 L509 L511 L514 L548 L801 R1102 T401 T402 T801 T801 C1 C2 C3 C4 JW8A JW8B P06B P08B P101 P1112 P1113 P13A P14A P201A P401 P403A P601 P602 P902B 0CE475DR618 0CN1030F679 0CH3104P56C 0CN5610K519 0CN1010K519 0CN1010K519 0LA0121K119 0LA0102K139 0LA0102K119 0LA0102...

Page 27: ...7 R228 R229 R23 R252 R253 R301 R303 R304 R306 R307 R308 R309 R310 R314 R316 R317 R318 R319 R320 R321 R322 R323 R324 R324 R325 R325 R326 R328 R331 R332 R403 R404 R407 R408 R409 R410 R411 R412 R415 R417 R433 R435 R438 R440 0RD0752F609 0RD1000F609 0RD1001F609 0RD1201F609 0RD1201F609 0RD4702F609 0RD1001F609 0RD1001F609 0RD4702F609 0RD2402F609 0RD0151A609 0RD4702F609 0RD4702F609 0RD2701F609 0RD2400A609...

Page 28: ...N R587 R591 R592 R595 R606 R608 R611 R612 R613 R616 R617 R618 R619 R801 R811 R812 R813 R816 R817 R819 R820 R821 R822 R823 R824 R825 R826 R829 R830 R831 R832 R834 R835 R836 R837 R838 R841 R842 R843 R844 R845 R847 R850 R851 R852 R858 R859 R860 R861 R901 R902 R903 0RD1000F609 0RD1000F609 0RD1000F609 0RD6800F609 0RD8202F609 0RD4702F609 0RD1202F609 0RD8202F609 0RD4702F609 0RD3003F609 0RD1000F609 0RD470...

Page 29: ...M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 150 F06U 20MH 38X26X43MM SQE3535 RADIA HC 49 U 24 576MHZ 50PPM 24 576MHZ 50PP K39...

Page 30: ...P No 38549D0024A 2006 01 20 All manuals and user guides at all guides com ...

Page 31: ...S VC SHEET 38549D0024A S All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...Jun 2006 Printed in Korea P NO MFL30504609 All manuals and user guides at all guides com ...