DAEWOO ELECTRONICS DLT-42U1GMB Service Manual Download Page 1

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Service Manual

LCD TV

CHASSIS : SL-701T

Model : DLT - 42U1GMB
DLT - 42G1LTBD
DLT - 46U1UMB
DLT - 46U1STB

S/M NO. : DSL701TEF0

Dec. 2007

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Summary of Contents for DLT-42U1GMB

Page 1: ...Service Manual LCD TV CHASSIS SL 701T Model DLT 42U1GMB DLT 42G1LTBD DLT 46U1UMB DLT 46U1STB S M NO DSL701TEF0 Dec 2007 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...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 4 Facts you must know w...

Page 3: ...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 contains different kinds o...

Page 4: ...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 HDMI RCA X 1 D Sub X 1 7...

Page 5: ...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 O O O O X X O X O X O...

Page 6: ...z 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 D Sub Component Standard 75Hz O O X...

Page 7: ...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 Video DVB HDMI 1 HDMI 2 TV...

Page 8: ...8 3 Block Diagram 3 1 Signal Block Diagram All manuals and user guides at all guides com...

Page 9: ...9 Block Diagram 3 2 Power Tree All manuals and user guides at all guides com...

Page 10: ...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 upper left of screen 4...

Page 11: ...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 Threshold Tuner AGC Cb Offset Cr Offset SSC...

Page 12: ...eft 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 S6 6 PICTURE TEST Using...

Page 13: ...13 5 Trouble Shooting 5 1 No signal OSD is working but on images are displaying All manuals and user guides at all guides com...

Page 14: ...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 are not working replace...

Page 15: ...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 RC234 near JP211 Top Mai...

Page 16: ...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 RC630 near IC601 Top Main TP V Sync RC6...

Page 17: ...17 Trouble Shooting 1024 X 768 60Hz R signal RC629 near IC601 G Signal RC627 near IC601 All manuals and user guides at all guides com...

Page 18: ...18 Trouble Shooting B Signal RC628 near IC601 Horizontal sync RC630 near IC601 Vertical sync RC640 near IC601 All manuals and user guides at all guides com...

Page 19: ...r 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 signal does not appear r...

Page 20: ...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 problem replace main PCB...

Page 21: ...ic screwdriver plastic adjusting tool Oscilloscope for detailed examination only E Each BLOCK operations explained in this manual include oscilloscope waveforms but these are for reference only and ut...

Page 22: ...22 6 Schematic Diagram All manuals and user guides at all guides com...

Page 23: ...23 Circuit Diagram All manuals and user guides at all guides com...

Page 24: ...24 Circuit Diagram All manuals and user guides at all guides com...

Page 25: ...25 Circuit Diagram All manuals and user guides at all guides com...

Page 26: ...26 Circuit Diagram All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 27: ...27 Circuit Diagram All manuals and user guides at all guides com...

Page 28: ...28 Circuit Diagram All manuals and user guides at all guides com...

Page 29: ...29 Circuit Diagram All manuals and user guides at all guides com...

Page 30: ...30 Circuit Diagram All manuals and user guides at all guides com...

Page 31: ...31 Circuit Diagram All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...32 Circuit Diagram All manuals and user guides at all guides com...

Page 33: ...33 Circuit Diagram All manuals and user guides at all guides com...

Page 34: ...34 7 Printed Circuit Board TOP PCB BOTTOM PCB All manuals and user guides at all guides com...

Page 35: ...35 8 Mechanical Exploded Diagram DLT 42G1 All manuals and user guides at all guides com...

Page 36: ...36 Exploded View DLT 42U1 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 37: ...37 Exploded View DLT 46U1 All manuals and user guides at all guides com...

Page 38: ...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 PARTNAME DESCRIPTION CE402...

Page 39: ...00JBA 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 1 10 62 OHM J 1608 LOC...

Page 40: ...HIP 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 PTFMSJG336 MASK FRONT AS DL...

Page 41: ...UX 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 CEXF1H331V C ELECTRO 50V RSS 330MF 10X20 T...

Page 42: ...04KBA 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 CC2A5 HCBH224KBA C CHIP CE...

Page 43: ...104KBA 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 CC738 HCBK104KBA C CHIP CE...

Page 44: ...IP 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 OHM J 1608 RC192 HRFT000J...

Page 45: ...F 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 X7R 0 1MF K 1608 RC706...

Page 46: ...P 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 1608 CC005 HCQK101JBA C CHIP CERA 50V...

Page 47: ...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 LOC PARTCODE PARTNAME DE...

Page 48: ...RRITE 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 HFF300B01A F CHIP FERRITE BEAD...

Page 49: ...M 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 8P 100 OHM 3216 RA615...

Page 50: ...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 J 1608 RC254 HRFT101JBA...

Page 51: ...608 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 RC617 HRFT000JBA R CHIP 1 10 0 OHM J...

Page 52: ...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 RC892 HRFT220JBA R CHI...

Page 53: ...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 7178301252 SCREW TAPPTITE TT2 WA...

Page 54: ...INET 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 RHU AS DLT 42U1GMR ZZ20...

Page 55: ...CO 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 M811 485819DQ00 PAD EPS...

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