LG RE-29FA31PX Service Manual Download Page 2

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CONTENTS

Contents ................................................................................................................. 2

Safety Precautions ............................................................................................3

Specifications ..................................................................................................... 4

Control Descriptions ........................................................................................ 5

Disassembly Instructions ............................................................................. 8

Adjustment Instructions ............................................................................... 9

Trouble Shooting ............................................................................................. 20

Wiring Diagram ................................................................................................. 25

Block Diagram ................................................................................................... 26

Exploded View .................................................................................................. 28

Exploded View Parts List .............................................................................29

Replacement Parts List ............................................................................... 30

SVC. Sheet ................................................................................................................

Summary of Contents for RE-29FA31PX

Page 1: ... THIS MANUAL CHASSIS MC 017A MODEL RE RL 29FA31PX MODEL RE RL 29FA33X PX website http biz LGservice com e mail http www LGEservice com techsup html Jan 2003 Printed in Korea P NO 3828VD0089A w w w D a t a S h e e t 4 U c o m w w w D a t a S h e e t 4 U c o m w w w D a t a S h e e t 4 U c o m ...

Page 2: ...tions 3 Specifications 4 Control Descriptions 5 Disassembly Instructions 8 Adjustment Instructions 9 T rouble Shooting 20 Wiring Diagram 25 Block Diagram 26 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 positioin connect one lead of...

Page 4: ...l impedance 8 ohm O Sound output 10W O External connection AV Input 3 side or front rear Component Input 1 rear option PERI TV Connector Full Scart AV Input or Scart option R G B Input AV 1 O External In Output Audio In 0 5Vrms 3db over 10Kohm Audio Out 0 5Vrms 3db below 1Kohm Video In Out 1Vp p 3db 75ohm R G B In 0 7Vp p 3db O Feature Auto programme Manual programme SVM Scanning Velocity Modulati...

Page 5: ...wn selects a programme or a menu item switches the set on from standby F F G G Volume Up Down adjusts the volume adjusts menu settings 6 VCR BUTTONS control a LG video cassette recorder 7 SSM Sound Status Memory recalls your preferred sound setting 8 I II selects the language during dual language broadcast selects the sound output option 9 PSM Picture Status Memory recalls your preferred picture s...

Page 6: ...EXT BUTTONS These buttons are used for teletext For further details see the Teletext section Note In teletext mode the PR SWAP and INPUT buttons are used for teletext function Battery installation The remote control handset is powered by two AAA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polar...

Page 7: ...et on from standby 5 REMOTE CONTROL SENSOR 6 HEADPHONE SOCKET Connect the headphone plug to this socket 7 AUDIO VIDEO IN SOCKETS AV3 Connect the audio video out sockets of external 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 VCR to the audio sockets as in AV3 8 EYE adjusts...

Page 8: ...rd smoothly CPT Removal 1 Pull out the CPT board from the CPT neck 2 Place the front cabinet on soft material not to mar the front surface or damage control knobs 3 Remove 4 screws securing the picture tube mounting brackets to the front cabinet 4 Carefully separate CPT from the front cabinet PICTURE TUBE HANDLING CAUTION Due to high vacuum and large surface area of picture tube great care must be...

Page 9: ...OWN button for desirous function Adjustment 3 Press Volume UP DOWN button to adjust the data 4 Adjust until CONTRAST and BRIGHT become 3 5 Ft_L 5 Enter the SVC mode by pressing the SVC button 6 Adjust the Y value of High Light with R DRIVE and adjust the X value with B DRIVE until they have the color coordinate of High Light as below 7 Adjust until CONTRAST and BRIGHT become 4 5 Ft_L 8 Enter the a...

Page 10: ...be precise O OPTION Adjustment SVC MODE OPTION 1 OPTION 2 OPTION 3 Teletext 1 Press YELLOW button or OP1 OP2 OP3 OP4 button on SVC Remote Controller 2 Input data directly by the buttons corresponded with OPTION1 0 127 OPTION2 0 63 OPTION3 0 127 3 Select each OPTION function by the CH Up Down button and then set up each OPTION by the VOL Up Down button Table 1 OPTION 1 Function Table 2 OPTION 1 COD...

Page 11: ...U NON EU CHINA ONLY VOL 200 PR SYS MONO I II SV A2 ST C MUTE Option Code 0 1 0 1 0 1 0 1 0 1 0 1 0 1 2 3 Function Remark CARRIER MUTE MSP 3410 Not CARRIER MUTE MSP 3410 NICAM Check NICAM FM STEREO NO SAVE DUAL SOUND Condition SAVE DUAL SOUND Condition Without Forced MONO sound System With Forced MONO sound System NORMAL VOLUME CURVE RUSHED VOLUME CURVE 100 PROGRAM SAVE 200 PROGRAM SAVE B G I D K B...

Page 12: ...OL 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 OPTION Data CMUTE A2 ST I II SV MONO 200 PRO SYS 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1...

Page 13: ... 0 1 2 VOL 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 OPTION Data CMUTE A2 ST I II SV MONO 200 PRO SYS 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Page 14: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 VOL 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1 OPTION Data CMUTE A2 ST I II SV MONO 200 PR SYS 255 1 1 1 ...

Page 15: ... 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 Table 6 OPTION 3 CODE Data 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 DATA TBS TOUCH DOLBY HPVOL WIDE SCART DVD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

Page 16: ...0 WOOF 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 DATA TBS TOUCH DOLBY HPVOL WIDE SCART DVD 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Page 17: ...1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 WOOF 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255...

Page 18: ...cho Hungary Cyrillic 1 Cyrillic 2 Cyrillic 3 Turkey Greek 1 Turkey Greek 2 Turkey Greek 3 Arab France Arab English Arab Hebrew 1 Arab Hebrew 2 Farsi English Farsi France Farsi all Funciton English English German French Italian Spanish English Dutch Swedish Norwegian Danish Swiss Portuguess Roman ian Polish Hungarian Czech Russian Table 7 OPTION 4 Funtion ...

Page 19: ... 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 400 401 402 403 404 405 LANG 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 TLAN 6 7 8 9 10 11 12 13 14 15 16 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0 1 2 3 4 5 6 7 8 DATA 406 407 408 409 410 411 412 413 414 415 416 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 600 601 602 603 604 605 60...

Page 20: ...ER circuit Check Replace R809 D802 D803 Check Replace SW1101 F1511 T1511 DB814 TH810 Check Replace Check Replace Check Replace IC1113 Check Replace D414 FR443 Q855 Q856 Check Replace IC11 FR359 FR360 D339 D349 Check Replace Check the voltage at pin 4 of STR Check the voltage at pin 41 of MICOM Check the voltage at Check the voltage of C404 Check the voltage of C821 pin 8 of IC1113 Check the H OUT ...

Page 21: ...64 of IC1112 Check Replace Q203 Q205 IC201 Check Replace IC101 Retrace line is Screen is black visible Check the waveform at pin 73 of IC1111 Check the waveform at pin 31 34 37 44 47 50 of IC1111 Check the waveform at pin 19 of TU101 Check FBT CPT socket CPT voltage of FBT Check Replace IC1112 Check the waveform at pin 54 61 of IC1113 Check Replace IC1113 Check Replace IC1113 Q1107 1120 ...

Page 22: ...2 Check the waveform at pin 11 of P901B Check Replace D2909 10 Q2902 Q2907 2910 NORMAL IC1113 Q1110 Q1112 15V D850 F851 Check the voltage at pin3 13 of IC652 SOUND AMP CHECK REPLACE T101 Q109 CHECK REPLACE 601 Q602 IC652 5V 0V CHECK REPLACE T101 CHECK REPLACE T101 ...

Page 23: ... IC11 Check the voltage at pin 14 of T101 CHECK REPLACE T101 CHECK REPLACE Q107 IC11 0V 2 5V Check Replace IC16 IC11 Check Replace Q108 Q1272 F1201 IC1101 Check Replace Check Replace Check the voltage at pin9 of TUNER 33V Check the voltage at pin13 of TUNER 5V Check the waveform at pin19 of T101 CVBS OUT Check the waveform at pin73 of IC1111 DON T CATCH CHANNEL MAIN R403 FB854 D861 ZD102 Check Rep...

Page 24: ...2 of IC11 Check the waveform at pin 19 20 of IC1113 Check Replace Check Replace Q1274 IC1101 Check Replace IC11 Check Replace Check Replace FR359 FR360 D339 D349 NO pin 21 22 of IC601 Check the waveform at pin 1 3 of IC602 Check the waveform at IC601 Check Replace H P JACK Check Replace IC602 Check Replace ...

Page 25: ...WIRING DIAGRAM 25 1 1 P801A MAIN PWB ASSY P1201A P12 P601A P1201B P901B P650 P651 P601B P801B P1512 B P402 P902A PP803 P72 CPT PWB A P803 CABINET ...

Page 26: ...5 MICRO Processor 4 4 OSD RGB FB 2 SELECTED CVBS FOR PIP VPC 3230 COLOR DECODER ADC SDA 9401 SCAN RATE CONVERT DDP 3310 Deflection RGB Processor DAC Y Pb Pr 3 SELECTED CVBS FOR MAIN H V SYNC H V SYNC RGB FB Digital Y Digital Chroma 8 8 2H 2V SYNC Digital Y Digital Chroma 8 8 TDA 6111Q RGB AMP RGB LA 7845 Vetical Deflection C 5446 Horizontal Deflection 2V 2H TO FBT DY DY TO Cathode 0f CPT AT24C16 E...

Page 27: ...MEMO 27 ...

Page 28: ...943 300 520 550 530 400 P801 330 320 310 700 600 540 121 125 120 124 126 315 112 913 150 153 510 170 501 540 EXPLODED VIEW 28 ...

Page 29: ...022C BOARD A V 2SCART 510 6871VSM889A PWB ASSY LG29 CPT SET 520 6871VMM759A PWB ASSY MAIN 017A RE29FA31P SET 6871VMM759M PWB ASSY MAIN 017A RE29FA33PX 6871VMM812B PWB ASSY MAIN 017A RL29FA33PX 6871VMM812X PWB ASSY MAIN 017A RE29FA33X 6871VMM812W PWB ASSY MAIN 017A RL29FA33X 530 6871VPM063A PWB ASSY SMPS 017A EU W STBY LG29 SET 6871VPM063J PWB ASSY SMPS 017A EU W 0 STBY LG29 SET 6871VPM072A PWB ASS...

Page 30: ...TR KTA1270 TP Y KTA562TM KEC LOCA NO PART NO DESCRIPTION IC11 IC12 IC13 IC14 IC15 IC16 IC17 IC18 IC19 IC301 IC302 IC601 IC602 IC650 IC652 IC801 IC802 IC803 IC851 IC853 IC855 IC856 IC901 IC902 IC903 IC1101 IC1102 IC1103 IC1104 IC1111 IC1112 IC1113 Q11 Q12 Q13 Q14 D11 D12 D150 D151 D301 D339 D349 D351 D402 D410 D412 D413 0ICTMIH009A 0IFA754207A 0IFA752700A 0IMCRNS005A 0ISG111725B 0IAL241600B 0IKE780...

Page 31: ...3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR CHIP 2SC3875S ALY KEC TR KSC945C Y TP SAMSUNG LOCA NO PART NO DESCRIPTION Q2902 Q2907 Q2908 Q2909 Q2910 C10 C11 C12 C13 C14 C15 C16 C17 C19 C20 C21 C22 C23 C24 C25 C26 C27 C29 C30 C31 C32 C33 C36 C37 C38 C41 C42 C80 C81 C82 C83 C102 C103 C104 C108 C109 C111 C114 C115 C117 C121 C122 C123 C124 C127 0TR319809AA 0TR126609AA 0TR319809AA...

Page 32: ...C417 C418 C419 C420 C422 C423 C426 C430 C437 C438 C439 C446 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C618 C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631 C632 C633 C634 181 010G 181 010G 0CE106DR618 181 013M 181 013U 0CE107DK618 0CK1030K945 0CN4710K519 0CN1030F679 0CN1010K519 0CE685BK652 0CE685BK652 0CQ6831N509 0CK22202515 0CK56101515 0C...

Page 33: ...905 C906 C907 C910 C911 C912 C914 C915 C916 C917 C918 C919 C920 C925 C927 C928 C1002 C1003 C1005 C1006 C1007 C1008 C1100 C1101 C1102 C1103 C1104 C1105 C1109 C1116 C1119 C1120 C1121 C1127 C1131 C1134 C1135 C1138 C1140 C1144 C1146 C1147 0CE107DN618 181 091D 0CE227DP650 0CE107CP618 0CQ1041N509 0CE475BR618 0CE475BR618 0CE475DR618 0CC0500K115 0CE475BR618 0CK5610W515 0CN1040K949 0CN1040K949 0CE225DK618 ...

Page 34: ...DESCRIPTION L209 L211 L213 L215 L301 L401 L402 L403 L407 L601 L603 L604 L605 L850 L853 L901 L1000 L1001 L1002 L1003 L1004 L1005 L1102 L1104 L1107 L1501 T401 T402 T403 T802 T803 P11A P11B P12 P72 P101 P402 P501B P502B P503B P601A P601B P650 P651 P801A P801B P802A P802B P803A P803B 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 150 C02A 150 L02Q 150 C13B 150 C13B 150 717K 0LA0102K119 0LA0102K119 0L...

Page 35: ...2 7K OHM 1 6 W 5 00 TA52 120 OHM 1 6 W 5 00 TA52 4 7K OHM 1 6 W 5 00 TA52 4 7K OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 00 TA52 LOCA NO PART NO DESCRIPTION 0RD4701F609 0RD4702F609 0RD1000F609 0RD2401F609 0RD6802F609 0RD2701F609 0RD1000F609 0RD1001F609 0RD4701F609 0RD1000F609 0RD4701F609 0RD1000F609 0RD1002F609 0RD4701F609 0RD1000F609 0RD1000F609 0RD4701F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD1000F6...

Page 36: ...26 R327 R328 R329 R330 R401 R402 R403 R404 R405 R406 R407 R408 R410 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R450 R451 R490 R601 R602 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 0RD3001F609 0RS0331K619 0RD1001F609 0RN1801F409 0RN1801F409 0RS2200K607 0RN0271J607 0RN0151J607 0RD1002F609 0RD1000F609 0RS1001K619 0RS4701K619 180 A01B 0RS0...

Page 37: ... DESCRIPTION R946 R947 R1002 R1003 R1005 R1006 R1007 R1501 R1502 R1503 R1504 R2906 R2907 R2908 R2909 R2910 R2911 R2912 R2921 R2922 R2928 R2929 R2930 R2931 R2932 R2933 R2934 R2935 R2936 R2937 R2938 R2939 R2940 R2941 R2942 R2943 R2944 R2945 R2946 R2947 R2955 R2959 R2990 SG904 SG911 SG912 SG913 SW1501 0RD1001F609 0RD2401F609 0RD2403F609 0RD2403F609 0RD0752F609 0RD0752F609 0RD0752F609 0RD0472F609 0RD3...

Page 38: ...ITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC FERRITE 1UH FILTER CIRC SQE3535 20MH FILTER CIRC SQE2222 7 14MH 0 37PHY 48TURN RESONATOR CRYSTAL HC49U SUNNY RADIAL 6 000MHZ RESONATOR CRYSTAL HC49U KJE RADIAL 18 432MHZ RESONATOR CRYSTAL HC49U SUNNY RADIAL 20 25...

Page 39: ...VIDEO AUDIO P NO 3854VA0086A S1 1 2 DATE 2001 05 17 ...

Page 40: ...P NO 3854VA0086A S2 DATE 2001 05 17 ...

Page 41: ...SVC SHEET 3854V A0086A S1 SVC SHEET 3854V A0086A S2 ...

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