LG 29FX5REE, Service Manual

Page 1: ...BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 049A MODEL 29FX5REE RG RGE RGP RLB RLX MODEL 29FX5REE RG RGE RGP RLB RLX TA 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 12 Printed circuit board 16 Block Diagram 19 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: ...assette recorder 7 SSM Sound Status Memory recalls your preferred sound setting 8 I II option selects the language during dual language broadcast option selects the sound output 9 PSM Picture Status Memory recalls your preferred picture setting 10 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 11 MUTE switches the sound on or off 12 TV AV s...

Page 5: ...icture 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 picture POSITION relocates the sub picture in clockwise direction 9 4 PIP switches on or off the programme scan mode through 4 or 9 sub pictures COLOURED BUTTONS These buttons are ...

Page 6: ...u settings D D E E Programme Up Down selects a programme or a menu item switches the set on from standby 6 AUDIO VIDEO IN SOCKETS AV3 Connect the audio video out sockets of exter nal equipment to these sockets S VIDEO AUDIO IN SOCKETS S AV option Connect the video out socket of an S VIDEO VCR to the S VIDEO socket Connect the audio out sockets of the S VIDEO VCR to the audio sockets as in AV3 7 HE...

Page 7: ...s based upon P N of B O M 5 Warm up TV set for more than 20min before the measurement Standard input Voltage 110 240V 50 60Hz 230V 50 60Hz Market Middle East Africa EU Chassis MC049A Brand LG 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 For EU For Non EU OPTION Non EU EU 200 PR W O TXT Spe...

Page 8: ...by crossing adjustment At this 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 th...

Page 9: ...y SVC communicator 3 Enter the deflection mode by selection SERVICE1 key on SERVICE MENU after enter the adjustment mode by pressing LINE SVC MODE IN START KEY 4 Enter the deflection mode by pressing ADJUST key 5 Use the CH D E key to select adjustment item 6 Use the VOL F G key to increase decrease data Note 1 When adjusting a deflection adjust N50Hz of PAL signal first and adjust a deflection at...

Page 10: ...screen to the best straight line 13 PIP PIP Position Adjust until the distance between PIP and main picture becomes about 1 2mm by using VOL key 8 OPTION Adjustment 8 1 Preparation for Adjustment 1 This option adjustment decides function in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION1 mode 2 Mark the option adjustment data l...

Page 11: ...unction Without TURBO SEARCH With TURBO SEARCH 100 PROGRAM SAVE 200 PROGRAM SAVE Without EYE With EYE 8KEY 4KEY SYSTEM ACMS TOP CH AU HDEV Option Code 0 1 0 1 0 1 0 1 0 1 Function REMARK Without ACMS Function With ACMS Function FLOT TXT TOP TXT Without D K CHINA or BB SYSTEM With D K CHINA or BB SYSTEM China Australia ...

Page 12: ... NO NO Check The Voltage At pin 2 19 20 21 24 of IIC11 Check Replace Q601 Check Replace F806 D828 D805 Check Replace C821 IC822 Q807 Check The voltage At pin of IC821 IC822 Q807 NO OK OK OK OK OK OK NO No Raster Sound OK Check the Heater voltage of CPT 6 6 5Vrms Check HV Screen Voltage of CPT Check R G B out of CPT Board Check the Heater pulse of FBT T402 Check 200V line of CPT Board if no problem...

Page 13: ...H Out Check Q402 Collector waveform Check T401 each pin voltage Check Q401 Collector waveform Check the In out of regulator Check Fuse and Rectifition Diode of secondary Load of SMPS trans T803 Check Replace IC11 Check Replace IC11 Check Replace Q402 Check Replace T401 Normal Abnormal Ok 140 310V Open No No No No No Yes Yes Yes Yes IC821 IC822 IC823 IC824 IC825 Ok 18 20V Ok Check Replace Fuse IC80...

Page 14: ...e CPT Board component Go to No Sound Picture OK Check IC11 pin71 72 73 R G B out No No OK OK OK OK Check pin40 V out 1 1V p p Check 1 8V 3 3V 5V DC Voltage No Check SMPS Trans Secondary Voltage Q501 Q503 Q504 R G B out of IC11 No No Check pin18 Reset Voltage OK Check IC13 Reset IC No Check pin57 58 SCL SDA OK Check IC12 EEPROM SCL SDA Line No Relace IC11 OK 3 3V swing 3 3V DC ...

Page 15: ...n 2 4 of IC601 Check the voltage At pin6 of IC601 Check the waveform At pin 8 9 11 12 of IC601 Check the voltage Of pin2 19 20 21 24 of IC11 Check the signal line of SPK L R Check pin 55 mute of IC11 Check the vpltage At pin7 5 of IC601 Check Replace D828 D805 F806 OK AV OK OK OK OK OK OK NO NO NO NO NO NO OK Check the connection of side or Front AV Board NO Connect the Board OK Replace IC601 P603...

Page 16: ... 16 PRINTED CIRCUIT BOARD MAIN ...

Page 17: ...3 L509 C4 L801 D2 LD11 F1 P101 A4 P102 A5 P103 A5 P104 A2 P181 C1 P410 G5 P601 B2 P602 B2 P607 B2 P901 A2 P903 B2 P10A B2 P11A F1 P12A C1 P13A C2 P14A C1 P15A B2 P1601A B2 P1602A D1 P201A C1 P202A C4 P401A G4 P401B G4 P401C G3 P401D G3 P402A E5 P403A E5 P403B B1 P404A E5 P551A C3 P600A A3 P603A B1 P604A B2 P605A B2 P606A A3 P801A G1 P801B G1 P801C G1 P802A E1 P802B E1 P903A B2 P903B B1 PA11 F1 PF0...

Page 18: ...CONTROL 18 FM TRANSMITTER SIDE A V CPT ...

Page 19: ...9489X PIP Processor LA7222 Aud io Swit c h EYE Op t Tilt Op t STK396 110 VM IC SMPS TRANS ST 5V 12V PIP AV SW OPT 3 3V 5V Tuner Sub Relay VM 200 V FBT LA 7845 V AMP 14V FBT EW AMP 28 V FBT T802 IC11 LA42152 So und AMP IC601 LA42152 So und AMP IC601 ICP01 IC602 IC901 HIC920 ST 1 8V ST 3 3V 3 3V 8V ST 1 8V ST 3 3V 5V 9V 14V 17V 5V 14V 14V IC824 IC853 IC825 IC821 IC822 ICP02 11 ...

Page 20: ... C3 R Pr Y3 G Y B Pb V1 V2 V3 C3 R Pr Y3 G Y B Pb AIN1 L R AIN2 L R AIN3 L R AUDIO VIDEO LA7222 HOR EW VER TDA4863 EHT VCTi 49xxl P N SVCC 110V 12V 5V 3 3V 1 8V BIN BIN PIP Va Vb RGB o ut SVM o ut Hf b Hout Menu OK VOL VOL PR PR KEY IR AUDIO VIDEO GAME MODULE HS VS IFIN IFIN MAIN SUB MAIN SUB 3 T PIP VIDEO RIN GIN PIP VIDEO RIN GIN AOU 1 1 2 VOUT ...

Page 21: ...MEMO 21 ...

Page 22: ... 22 EXPLODED VIEW 600 120 320 330 913 170 150 153 112 310 943 400 700 530 300 510 105 501 503 520 560 550 P801 ...

Page 23: ...0V00036E BOARD AV 29FX5 MC049A LGESY 510 6871VSMJ31A PWB PCB ASSEMBLY SUB CPT MC 049A 29 FLAT VM W PIP LGESY 6871VSMJ31B PWB PCB ASSEMBLY SUB CPT MC 049A 29 FLAT VM W O PIP LGESY 6871VSMJ31K PWB PCB ASSEMBLY SUB CPT MC 049A 29 FALT VM W O PIP SY VN 6871VSMJ31W PWB PCB ASSEMBLY SUB T T 29 FLAT VM W O PIP SY S W CPT BOARD 520 6871VMMZW8V PWB PCB ASSEMBLY MAIN M I MC049A 29FX5RGE TA QMJLLBK SY MEC 68...

Page 24: ...2V 150UA MTZJ6 2A TP DO34 0 5W 6 2V 150UA GDZJ33B TP DO34 0 5W 33 0V GDZ5 1B TP DO34 0 5W 5 1V 0 02A GDZJ11B TP DO34 0 5W 11 0V GDZJ11B TP DO34 0 5W 11 0V GDZJ8 2B TP DO34 0 5W 8 2V MTZJ6 2A TP DO34 0 5W 6 2V 150UA MTZJ6 2A TP DO34 0 5W 6 2V 150UA GDZ5 1B TP DO34 0 5W 5 1V 0 02A GDZ5 1B TP DO34 0 5W 5 1V 0 02A GDZ5 1B TP DO34 0 5W 5 1V 0 02A LOCA NO PART NO DESCRIPTION HIC920 IC11 IC12 IC13 IC301 ...

Page 25: ...C413 C414 C415 C416 C417 C419 C420 C421 C422 C501 C502 C503 C504 C505 C506 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C519 C520 C521 C522 C524 C525 C526 C527 C528 C529 C530 C531 C532 C533 C534 C535 C536 0CQ1521N509 181 015Q 181 091Y 0CF2231YF50 0CE475DK618 0CE685BK652 0CK2220W515 0CE105CR636 181 038K 0CE107DJ618 0CK2710W515 0CE108DH618 181 009R 0CK2710W515 0CE108DH618 181 009C 0CK2710W...

Page 26: ... C827 C828 C829 C830 C831 C833 C834 C835 C837 C838 C840 C843 C846 C847 C848 C901 C902 C903 C904 C907 C920 C921 C922 C923 C924 C925 C926 C927 C928 C929 C930 L101 L103 L12 L1201 L1202 L1205 L1243 L1244 L202 L208 L211 L213 L214 L216 0CE477DH618 0CE107DD618 0CE477DD618 0CK47202510 0CE227DD618 0CE477DD618 0CE477DD618 0CE335CK636 0CE108DH618 0CE227DP61A 0CE107CP618 181 091Y 0CK4710W515 0CQ4731N509 0CE22...

Page 27: ... T STICK GIL G 05P LGC 5PIN 2 54MM STICK 5P 2 5MM 500MM H B UL1007AWG26 2 36PAI 1P K M AUTO 2 36PAI 1P K M AUTO LOCA NO PART NO DESCRIPTION P920 PF01A PF04A PF04B F802 F804 F805 F806 FR402 FR403 FR404 FR405 FR901 J131 J204 J208 J211 J220 J222 J261 J509 J510 J512 J566 L1102 R102 R105 R109 R11 R110 R1101 R111 R112 R113 R1136 R1143 R1146 R1147 R1148 R1149 R1150 R1203 R1204 R1205 R1206 R1230 R1231 R12...

Page 28: ...ART NO DESCRIPTION R323 R324 R325 R326 R328 R33 R35 R37 R38 R401 R403 R404 R405 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R42 R421 R422 R449 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R526 R527 R532 0RD2702F609 0RD4700F609 0RD2701A609 0RD1501A609 0RN4702F409 0RD1000F609 0RD1000F609 0RD1000F609 0RD1002F609 0RD2701F609 0RD560...

Page 29: ... 5 TA52 LOCA NO PART NO DESCRIPTION R838 R901 R902 R903 R904 R906 R907 R908 R909 R910 R911 R912 R913 R914 R915 R921 R922 R923 R924 R925 R926 RF01 RF02 SW1101 SW1102 SW1103 SW1104 SW1105 SW1106 SWP801 SG901 SG902 SG903 SG904 SG908 FB401 FB801 FB802 FB803 FB825 L920 T1111 T801 X11 Z101 0RD4701F609 0RD2200F609 0RD2200F609 0RD2200F609 0RD1801F609 0RD1000F609 0RD1000F609 0RD1000F609 0RCZVTA002D 0RCZVTA...

Page 30: ...I O 6P DVD IN Y PB PR ENG PLUG 4P ASSY PLUG 2P ASSY PLUG 2P IL G 04P LGC 2 5MM R A MANUAL USER VN VT 112P Q R S TX REMOTE CONTROLLER W O PIP W O TXT FUSE 4000MA 250 V 5 2X20 LED MC51A M 8 9 REMOTE CONTROLLER RECEIVER KSM 913LG21T SOCKET CIRC CPT PCS030A 8PIN 14 360 FBT BSC28 N2334 29 THERMISTOR PTC 03 07MX 7 OHM 20 TUNER TEAM G601D FS W S LNA 38 9MHZ VARISTOR SVC621D 14A ILJIN 620V LOCA NO PART NO...

Page 31: ...P NO 3854VA0146A S1 2004 4 16 ...

Page 32: ...SVC SHEET 3854V A0146A S ...

Page 33: ...Nov 2005 Printed in Korea P NO 3828VD0194U ...