Daewoo DLT - 42U1GMB, Service Manual

Page 1: ...Service Manual LCD TV CHASSIS SL 701T Model DLT 42U1GMB DLT 42G1LTBD DLT 46U1UMB DLT 46U1STB S M NO DSL701TEF0 Dec 2007...

Page 2: ...am 8 3 2 Power Tree 9 4 SERVICE MODE 10 4 1 EEPROM initial DATA 10 4 2 Description of SERVICE MODE ITEM 12 5 Trouble Shooting 13 5 1 No Signal 13 5 2 When No Sond 20 5 3 When Key does not operte 20 5...

Page 3: ...the screw Sort out the screws and store them separately Because screws holding PCBs are working as electric circuit grounding make sure to check if any screw is missing when assembling 5 A LCD Set con...

Page 4: ...260W 230W 1114 x 745 5 x 125 5 mm 1044 x 692 x 125 mm 1114 x 745 5 x 125 5 mm 1044 x 692 x 124 9 mm Max Power Source Set Dimension 220 240V 50 60Hz 220 240V 50 60Hz 220 240V 50 60Hz 220 240V 50 60Hz H...

Page 5: ...1080i 480i 576i 1920 x 1080i V freg 60Hz HDMI O O X 75Hz 60Hz 75Hz 60Hz 75Hz 60Hz 60Hz 75Hz 50Hz 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz 60Hz 60Hz O O X O O X O O X O O X O O X O O X O O X O O O O O X O O O O O...

Page 6: ...80i 576i V freg 60Hz HDMI O O X 72Hz 60Hz 72Hz 60Hz 70Hz 60Hz 60Hz 50Hz 50Hz 60Hz 50Hz 60Hz 60Hz 50Hz O O X O O X O O X 75Hz O O X O O X O O X O O X O O O O O X X O O X X O X O X O O O O X X O X X PC...

Page 7: ...on 2 2 3 Available PIP Mode Main Sub TV AV 1 X X X X X O O AV 1 X X X X X O O AV 2 X X X X X O O X X X X X O O DVB X X X X X O O HDMI 1 O O O O O X X HDMI 1 O O O O O X X AV 2 AV 3 S Video AV 3 S Vide...

Page 8: ...8 3 Block Diagram 3 1 Signal Block Diagram...

Page 9: ...9 Block Diagram 3 2 Power Tree...

Page 10: ...Erase Gumi channel map write Volume 0 32 63 L R 1 Connect jumper I2C 2 Press S4 key and then TV set display EDID WRITE OK upper left of screen 3 If EDID writing is fail TV set display EDID Write Error...

Page 11: ...Video sub hue Video sub cont Video YC delay Pedestal level Anti alias PIP Brightness PIP Contrast Y G Clamp Pb Clamp Pr Clamp Y G Gain Peaking Threthold Peaking Pos Gain Peaking Neg Gain APL Threshol...

Page 12: ...DID Write Error upper left of screen 4 After EDID write remove jumper E S5 5 PANEL TEST Using this key you can test problem of PANEL as confirm white pattern red pattern blue pattern green pattern F S...

Page 13: ...13 5 Trouble Shooting 5 1 No signal OSD is working but on images are displaying...

Page 14: ...T2 LC213 near JP207 Top Main TP AV3 RC055 near P240 If all TP signal does not appear replace MAIN PCB B When No Signal in Y C signal S Video 1 First check if other inputs are working If other inputs a...

Page 15: ...ck if other inputs are working If other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main TP COMP_Y RC233 near JP211 Top Main TP COMP_Pb R...

Page 16: ...2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main TP R signal RC629 near IC601 Top Main TP G signal RC627 near IC601 Top Main TP B signal RC628 near IC601 Top Main TP H Sync RC63...

Page 17: ...17 Trouble Shooting 1024 X 768 60Hz R signal RC629 near IC601 G Signal RC627 near IC601...

Page 18: ...18 Trouble Shooting B Signal RC628 near IC601 Horizontal sync RC630 near IC601 Vertical sync RC640 near IC601...

Page 19: ...uts are working If other inputs are not working replace MAIN 2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main TP RC672 RC671 RC670 RC668 RC667 RC666 RC665 near IC601 If all TP s...

Page 20: ...ed Check the connection of ja Is the Speaker correctly connected Check the connection of S SPEAKER or SOUND CABLE has a trouble Y N N Y Y N Y Are P622A and P 625A Outputs norm Perhaps IC009 or IC008 p...

Page 21: ...ORT OPEN TEST Screwdriver or electric screwdriver plastic adjusting tool Oscilloscope for detailed examination only E Each BLOCK operations explained in this manual include oscilloscope waveforms but...

Page 22: ...22 6 Schematic Diagram...

Page 23: ...23 Circuit Diagram...

Page 24: ...24 Circuit Diagram...

Page 25: ...25 Circuit Diagram...

Page 26: ...26 Circuit Diagram...

Page 27: ...27 Circuit Diagram...

Page 28: ...28 Circuit Diagram...

Page 29: ...29 Circuit Diagram...

Page 30: ...30 Circuit Diagram...

Page 31: ...31 Circuit Diagram...

Page 32: ...32 Circuit Diagram...

Page 33: ...33 Circuit Diagram...

Page 34: ...34 7 Printed Circuit Board TOP PCB BOTTOM PCB...

Page 35: ...35 8 Mechanical Exploded Diagram DLT 42G1...

Page 36: ...36 Exploded View DLT 42U1...

Page 37: ...37 Exploded View DLT 46U1...

Page 38: ...K104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC817 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CE231 CEXF1C220A C ELECTRO 16V RSM 22MF 5X7 CE401 HCELH100MC C CHIP ELECTRO 25V 10MF CM 4052 LOC PARTCODE PAR...

Page 39: ...0 OHM J 1608 RC11 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC13 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC15 HRFT620JBA R CHIP 1 10 62 OHM J 1608 RC17 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC19 HRFT620JBA R CHIP...

Page 40: ...0 PTMPJ1G265 PCB MAIN CHIP A AS DLT 42U1GMR ZZ200 PTMPJ2G265 PCB MAIN CHIP B AS DLT 42U1GMR ZZ200 PTUNJ1G265 PCB UNION CHIP A AS DLT 42U1GMR ZZ200 PTUNJ2G265 PCB UNION CHIP B AS DLT 42U1GMR ZZ200 PTFM...

Page 41: ...SV PBF 304P 0 823 400 2291050312 FLUX SOLVENT S 3000 LOC PARTCODE PARTNAME DESCRIPTION CE067 CEXF1H331V C ELECTRO 50V RSS 330MF 10X20 TP CE224 CEXF1H471V C ELECTRO 50V RSS 470MF 13X20 TP CE225 CEXF1H3...

Page 42: ...1MF K 1608 CC2A2 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION CC2A3 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC2A4 HCBH224KBA C CHIP CERA 25V X7R 0 22MF K 1608 CC2...

Page 43: ...0 1MF K 1608 CC735 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION CC736 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC737 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC7...

Page 44: ...8 RC174 HRFT331JBA R CHIP 1 10 330 OHM J 1608 RC187 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC188 HRFT000JBA R CHIP 1 10 0 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION RC189 HRFT224JBA R CHIP 1 10 220K OH...

Page 45: ...CHIP CERA 50V X7R 0 1MF K 1608 RC693 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC694 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC695 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 RC696 HCBK104KBA C CHIP CERA 50V...

Page 46: ...PTION ZZ200 PTMPJ1G265 PCB MAIN CHIP A AS DLT 42U1GMR 110 2193220010 SOLDER CREAM PB FREE LST309 M SN 3 0AG 0 5CU A001 4859818392 PCB MAIN 234X288 K4V CC002 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 160...

Page 47: ...CC813 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC815 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CE003 HCELH100MC C CHIP ELECTRO 25V 10MF CM 4052 CE401 HCELH100MC C CHIP ELECTRO 25V 10MF CM 4052 L...

Page 48: ...05 HFFH1M501B F CHIP FERRITE BEAD HH 1M3216 501J LOC PARTCODE PARTNAME DESCRIPTION LC006 HFFH1M501B F CHIP FERRITE BEAD HH 1M3216 501J LC007 HFFH1M501B F CHIP FERRITE BEAD HH 1M3216 501J LC008 HFF300B...

Page 49: ...IP ARRAY 1 16 8P 100 OHM 3216 RA612 HRTS8E101J R CHIP ARRAY 1 16 8P 100 OHM 3216 RA613 HRTS8E101J R CHIP ARRAY 1 16 8P 100 OHM 3216 LOC PARTCODE PARTNAME DESCRIPTION RA614 HRTS8E101J R CHIP ARRAY 1 16...

Page 50: ...C247 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC251 HRFT101JBA R CHIP 1 10 100 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION RC252 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC253 HRFT101JBA R CHIP 1 10 100 OHM...

Page 51: ...11 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC612 HRFT000JBA R CHIP 1 10 0 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION RC613 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC614 HRFT000JBA R CHIP 1 10 0 OHM J 1608 R...

Page 52: ...JBA R CHIP 1 10 22 OHM J 1608 RC887 HRFT220JBA R CHIP 1 10 22 OHM J 1608 RC888 HRFT220JBA R CHIP 1 10 22 OHM J 1608 RC889 HRFT100JBA R CHIP 1 10 10 OHM J 1608 RC890 HRFT000JBA R CHIP 1 10 0 OHM J 1608...

Page 53: ...2401452 SCREW TAPPTITE TT2 TRS 4X14 MFZN BK 3CR M211C 7172401052 SCREW TAPPTITE TT2 TRS 4X10 MFZN BK 3CR M231 4852334601 PANEL FRONT ABS PMMA BK M231 4852334701 PANEL FRONT ABS PMMA BK M231A 717830125...

Page 54: ...TB ZZ140 PTCACAG329 CABINET AS DLT 42U1GMB ZZ140 PTCACAG337 CABINET AS DLT 46U1STB ZZ200 PTFMSJG265 MASK FRONT AS DLT 42U1GMR ZZ200 PTMPJRG265 PCB MAIN RADIAL AS DLT 42U1GMR ZZ200 PTMPJ0G265 PCB MAIN...

Page 55: ...E PC M591 4855947521 DECO PLATE PC M682 4856818710 CLAMP NYLON 6 6 M682A 7002401452 SCREW MACHINE TRS 4X14 MFZN BK 3CR M801 4858073300 BOX CARTON DW 3 M801 4858073400 BOX DW 3 M811 485819DP00 PAD EPS...