LG Lafinion 82W, Service Manual

Page 1: ...TION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 035B MODEL Lafinion 82W website http biz LGservice com e mail http www LGEservice com techsup html Feb 2004 Printed in Korea P NO 3828VD0155F ...

Page 2: ...FETY PRECAUTIONS 3 SPECIFICATIONS 4 CONTROL DESCRIPTIONS 5 ADJUSTMENT INSTRUCTIONS 8 TROUBLE SHOOTING 14 PRINTED CIRCUIT BOARD 20 BLOCK DIAGRAM 25 EXPLODED VIEW 28 EXPLODED VIEW PARTS LIST 29 REPLACEMENT PARTS LIST 30 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: ...Mode Multi Picture Display Mode Film Mode Noise Reduction Progressive Scan Motion Detection Swivel Speaker Digital Eye Specification TOP FLOF 2000 page option LG code 4 Side or Front 1 Rear 3 2 Rear option Full SCART 1 AV1 option 1 AV1 option BG DK BG I L RZ model option BG DK BG I L RZ model option O O O O O O O option 29FB90 O No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Min 0 85 3 0 40 0 4 0 1 ...

Page 5: ... 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 SCAN switches on or off the programme scan mode through 12 sub pictures 7 RESET initialize the adjusted value 8 POWER switches...

Page 6: ...V mode switches the set on from standby 21 LIST displays the programme table 22 SWAP returns to the previously viewed programme selects a favorite programme COLOURED BUTTONS These buttons are used for teletext Only TELETEXT models or programme edit Internal generator charge The communicator can be charged with the internal electric generator To charge the communicator do the following 1 In first u...

Page 7: ...OTE CONTROL SENSOR 7 EYE option adjusts picture according to the surrounding conditions 8 HEADPHONE SOCKET Connect the headphone plug to this socket 9 AUDIO VIDEO IN SOCKETS AV4 Connect the audio video out sockets of exter nal equipment to these sockets S VIDEO AUDIO IN SOCKETS S AV Connect the video out socket of an S VIDEO VCR to the S VIDEO socket Connect the audio out sockets of the S VIDEO VC...

Page 8: ...T manufacturing place This adjustment must follow the sequence as shown picture below 4 2 Purity Adjustment 1 Degauss the CPT and CABINET enough 2 Receive red RASTER signal PG50ch 3 Remove fixing screw of DY and stick DY to opening part CPT FUNNEL part 4 Make crossing adjustment to the Magnet of CPT and make the R land is placed on center correctly At this moment 4 pole and 6 pole magnet should be...

Page 9: ...ified in __clause c Change the CONTRAST BRIGHT and adjust to be 4 5 Ft_L d Adjust Y value of Low Light with GC G Cutoff and adjust X value with BC B Cutoff and make color coordinates of Low Light which is specified in __clause e Repeat the adjustment from a to d until the High Low color coordinates of _clause is satisfied f Check the adjusted color coordinates with white balance meter 8 Deflection...

Page 10: ...rrect when checking NTSC60Hz 480P 1080I VGA Mode after finishing adjustment in PAL100Hz adjust each Mode again 9 OPTION Adjustment 9 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 OPTION 1 2 3 4 mode 2 Mark the option adjustment data like 111 11 111 11 in BOM Me...

Page 11: ...Without EYE With EYE NICAM NICAM FM STEREO DUAL B G I D K B G B G I D K M RESERVED Table 1 OPTION 1 Function Table 3 OPTION 3 Function Table 2 OPTION 2 CODE Data Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 RT 29FB90RB MC035B MC035A WIDE TEXT CH AU HDEV DOLBY DGIDX CTSPK FNDRP Function Remark ITEM FP NP SP S1 vol S2 vol DESCRIPTION FM Pre scaler Nicam Pre scaler Scart Pre scaler Scart1 Pre scaler S...

Page 12: ... Arab France Arab English Arab Hebrew 1 Arab Hebrew 2 Farsi English Farsi France Farsi all Funciton Table 5 OPTION 5 Funtion CODE 0 1 0 1 0 1 0 1 0 1 OPTION DCION C2151 AUTOA AUTOB TBIDX Funciton DYNAMIC CONTRAST OFF DYNAMIC CONTRAST ON WITHOUT COMPONENT INPUT WITH COMPONENT INPUT H FILTER AUTO CONTRAST CONTROL OFF H FILTER AUTO CONTRAST CONTROL ON H FILTER AUTO LUMINANCE CONTROL OFF H FILTER AUTO...

Page 13: ... 13 ...

Page 14: ...OWER circuit Check Replace R809 D802 R803 R810 Check Replace SW1101 F1101 T1101 DB814 TH810 Check Replace Check Replace Check Replace IC501S Check Replace FR359 FR360 D339 D349 IC301 Check Replace IC001 Q002 Check Replace Check the voltage at pin 4 of STR Check the voltage at pin 10 of P004A Check the voltage at Check the voltage of C404 Check the voltage of C821 pin 5 of P214A Check the H DRV vol...

Page 15: ...903 Check the waveform at pin 62 63 64 of IC501S RGB out Check the waveform at pin 7 of IC901 902 903 Check FBT CPT socket CPT voltage of FBT Check Replace IC501S Check the waveform at pin 2 140 143 of IC101S Check the waveform at PIN100 of IC101S CVBS4 Check the waveform at PIN 38 41 46 of IC102S NO YES YES YES NO NO NO NO YES Check Replace IC401S FL201S 202S 203S Check Replace IC102S NO YES YES ...

Page 16: ...11 of P901B Checkthe waveform at pin10 of HIC951 Check the Vcc at pin11 135V Check the Vcc at pin4 12V NORMAL Q501 IC501S 18V D850 F851 Check the voltage at pin1 15 of IC650 SOUND AMP CHECK REPLACE IC650 2 5V 0V CHECK REPLACE Q601 Q602 L601 CHECK REPLACE TU101 Check the waveform at PIN 8 13 of IC 650 ...

Page 17: ...CE IC001 Check the voltage at pin 14 of T101 CHECK REPLACE TU101 CHECK REPLACE IC001 0V 2 5V Check Replace IC201S IC101S Check Replace Q108 C114 R119 Check Replace Check Replace Check the voltage at pin9 of TU101 Check the voltage at pin13 of TU101 5V Check the waveform at pin19 of TU101 Video Check the waveform at pin2 of P213A DON T CATCH CHANNEL MAIN R403 FB854 D861 ZD102 Check Replace IC854 F8...

Page 18: ...S From comp1 480p 1080i input Check the waveform at pin7 8 9 of IC401S From comp2 480p 1080i input YES NO DVD COMPONENT PICTURE OPTION YES NO YES NO YES NO IC501S R540 R541 IC301 D301 YES Check the voltage at pin 1 6 of IC301 Check the waveform at pin 12 of IC001 Check the waveform at pin 52 53 of IC501S Check Replace Check Replace IC201S Q206 Check Replace Check Replace FR359 FR360 D339 D349 NO p...

Page 19: ...MEMO 19 ...

Page 20: ... 20 PRINTED CIRCUIT BOARD MAIN ...

Page 21: ...L404 F4 L407 E4 L601 B4 L602 B4 L603 C4 L604 C4 L605 C4 L606 A2 L853 D3 P102 A5 P103 A5 P151 C1 P190 C2 P403 E3 P410 G5 P823 E1 P824 E1 P004A B4 P101A A4 P211A B5 P401A F4 P401B F4 P401C F4 P401D F4 P602A C3 P605A A1 P803A F1 P803B F1 P822A G1 P822B G1 P902A D5 Q101 A2 Q102 A3 Q103 A4 Q104 A5 Q105 A4 Q107 A5 Q108 A4 Q109 A2 Q111 A4 Q151 A1 Q152 A1 Q190 C3 Q191 C3 Q192 C3 Q193 C3 Q308 D5 Q401 G3 Q4...

Page 22: ... 22 MICOM TOP MICOM BOTTOM CONTROL ...

Page 23: ... 23 100Hz TOP 100Hz BOTTOM ...

Page 24: ... 24 CPT SOUND POWER SIDE A V ...

Page 25: ... 25 BLOCK DIAGRAM 1 MAIN ...

Page 26: ... 26 2 100HZ PROGRESSIVE ...

Page 27: ... 27 3 MICOM ...

Page 28: ...112 913 150 510 170 943 400 300 600 120 121 122 430 450 540 330 570 174 520 560 550 503 530 501 310 700 EXPLODED VIEW 28 ...

Page 29: ...Z40 NON SET 430 3110V00306A CASE NON 32FZ40 NON NON 450 3550V00312A COVER DUCT 32FZ40 ABS NON 501 4810V00379X BRACKET MAIN RE 32FZ40 MC035A HIPS 407AF A CORE 503 4810V00543E BRACKET REAR AV RT 29FB90 MC035A HIPS 60HR PHONE PHONE 510 6871VSMW06F PWB PCB ASSEMBLY SUB CPT MC035B LG 32 WIDE 520 6871VMAY90X PWB PCB ASSEMBLY MAIN MC035B RT 32FZ40RB ADLLKK 530 6871VSMW09E PWB PCB ASSEMBLY SUB S AMP MC035...

Page 30: ...SVC SHEET 3854V A0123A S1 SVC SHEET SVC SHEET ...

Page 31: ...D2059 Y TO 220IS KEC CHIP 2SC3875S ALY KEC CHIP 2SA1504S ASY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO PART NO DESCRIPTION D850 HIC951 IC001 IC002 IC003 IC004 IC005 IC006 IC008 IC009 IC101S IC102S IC106S IC1101 IC151 IC190 IC201S IC202S IC203S IC204S IC205S IC206S IC207S IC301 IC401 IC401S IC501S IC502 IC601 IC603 IC801 IC802 IC803 IC851 IC854 IC854 IC854 IC855 ...

Page 32: ...910 D950 DB814 LD01 ZD001 ZD003 ZD004 ZD101 ZD102 ZD1201 ZD1202 ZD1203 ZD1204 ZD1205 ZD1206 ZD351 ZD403 ZD601 ZD901 ZD930 C001 C007 C009 C011 C013 C018 C025 C028 C030 C034 C035 C036 C042 C045 C047 C054 C059 C062 C064 C083 0DD150009CA 0DD060009AC 0DD414809ED 0DD060009AC 0DD060009AC 0DD060009AC 0DD060009AC 0DD060009AC 0DD060009AC 0DD060009AC 0DD400509AA 0DD060009AC 0DRGS00011A 0DD000000BA 0DZ620009B...

Page 33: ...N C203 C204 C205 C206 C207 C207 C208 C212 C213 C213 C214 C216 C217 C219 C220 C220 C221 C222 C225 C227 C239 C244 C301 C303 C304 C305 C306 C306 C306 C307 C307 C307 C308 C308 C309 C310 C310 C313 C313 C314 C316 C317 C319 C322 C323 C324 C324 C327 C328 C329 C332 C332 0CN1010K519 0CN1010K519 0CE225DK618 0CE227DD618 0CE107DF618 0CE226DF618 0CE226DF618 0CN4710K519 0CN4710K519 0CE4763F618 0CN1030F679 0CE105...

Page 34: ...FL TP5 LOCA NO PART NO DESCRIPTION C555 C570 C584 C591 C593 C601 C601 C602 C602 C603 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C614 C615 C617 C618 C619 C620 C621 C622 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631 C631 C632 C632 C633 C634 C635 C636 C637 C638 C639 C640 C641 0CE227DF618 0CE107DF618 181 007H 0CE476DF618 0CQ1031N509 0CE4753K618 0CE475DK618 0CN4720F569 0CN3320F569 ...

Page 35: ...TA52 LOCA NO PART NO DESCRIPTION C821 C852 C853 C854 C855 C856 C857 C858 C859 C860 C861 C862 C863 C865 C866 C867 C868 C869 C870 C871 C872 C873 C875 C900 C901 C902 C902 C904 C905 C906 C907 C908 C910 C911 C912 C914 C915 C916 C917 C919 C925 C950 C951 C952 C953 C954 C955 C956 C957 C958 C959 C960 181 001U 181 091C 0CE108DF618 0CE227DJ618 0CE477DD618 181 091C 0CE228BF618 0CE108BF618 181 091C 0CE107DF618...

Page 36: ...HM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 LOCA NO PART NO DESCRIPTION 0RRZVTA001A 0RRZVTA001A 0RP0020J809 0RP0020J809 0RP0050H709 0RP0020J809 0RF0470H609 0RP0050H709 0RP0050H709 0RF0181K607 0RP0050H...

Page 37: ...IPTION R327 R328 R329 R330 R331 R332 R332 R401 R403 R403 R404 R405 R406 R407 R408 R410 R412 R413 R414 R415 R415 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R430 R431 R434 R450 R451 R490 R514 R536 R601 R602 R611 R612 R613 R614 R615 R616 R617 R618 R619 0RN5601F409 0RS1800K607 0RN0101J607 0RN0101J607 0RN1001F409 0RD3901F609 0RD1502F609 0RD1002F609 0RN1002F409 0RS1001K619 0RS4701K619 1...

Page 38: ...0 TA52 LOCA NO PART NO DESCRIPTION R679 R680 R681 R683 R685 R687 R688 R689 R690 R691 R803 R804 R805 R806 R807 R808 R809 R810 R816 R821 R832 R832 R833 R850 R852 R855 R856 R857 R859 R860 R862 R863 R864 R865 R866 R867 R868 R870 R870 R873 R874 R876 R877 R902 R903 R905 R906 R907 R908 R909 R910 R911 0RD3301F609 0RD1300A609 0RD1001F609 0RD1602F609 0RD0471F609 0RD9102F609 0RD2202F609 0RD1003F609 0RS4701K6...

Page 39: ...UH NY 3 5X6 0MM LPF 2EA SMD TH355LSK K5214 LPF 1EA SMD H354LAI K5206 LOCA NO PART NO DESCRIPTION FL203S FL301 FL302 J14 J814 J831 L101 L102 L104 L105 L106 L152 L201 L202 L401 L402 T1101 T811 X001 X101 X102 X401 X501 X601 A1 A2 F1101 JA1 JA201 JA205 SK902 T402 TH801 TH810 TU101 TU102 ZN1101 6200VKR001A 125 022K 125 022K 125 022K 125 022K 125 022K 6210VC0006A 125 022K 6210VC0006A 6210VC0006A 6210VC0...

Page 40: ...TION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 035B MODEL Lafinion 82W website http biz LGservice com e mail http www LGEservice com techsup html Feb 2004 Printed in Korea P NO 3828VD0155F ...

Page 41: ...P N 3854VA0123A S1 1 2 DATE 2003 07 17 ...

Page 42: ...P N 3854VA0123A S1 2 2 DATE 2003 07 17 ...