DAEWOO ELECTRONICS DM-K40, Service Manual

Page 1: ...40001 Dec 2004 Caution In this Manual some parts can be changed for improving their performance without notice in the parts list Model DM K40 All manuals and user guides at all guides com a l l g u i...

Page 2: ...t Layout Front panel Circuit Diagram and Component Layout Servicing Procedures 28 Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Video Trouble Service Flow Chart Composit...

Page 3: ...Resistance Check Before returning the unit to the customer make sure you make either 1 a leakage current check or 2 a line to insulated resistance check If the leakage current exceeds 0 5 milliamps or...

Page 4: ...tions 1 3 1 ESD Precautions in Repairing 1 3 1 1 Do not apply excessive pressure on the mechanical parts moving pares including the Pickup Block as extremely high mechanical precision or required in t...

Page 5: ...ode shorting lands beforehand 1 4 Software Upgrade You can upgrade DVD Player using the software we provide as following step Creating a software upgrade CD Use only a new CD R CD RW not an erased one...

Page 6: ...Daewoo DM K40 Service Manual Page 5 2 Circuit Diagram and Component Layout 2 1 MPEG IC Block Diagrams Fig 2 1 ZR36768 762 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 7: ...Daewoo DM K40 Service Manual Page 6 Fig 2 2 DRC block diagram Fig 2 3 CSTP block diagram All manuals and user guides at all guides com...

Page 8: ...Daewoo DM K40 Service Manual Page 7 Fig 2 4 Vaddis ZR36768 762 block diagram All manuals and user guides at all guides com...

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Page 21: ...Daewoo DM K40 Service Manual Page 20 2 2 Power supply Circuit Diagram and Component Layout Fig 2 5 Power Supply Circuit Diagram All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 22: ...Daewoo DM K40 Service Manual Page 21 Fig 2 6 Power Supply Assembly Drawing Fig 2 7 Power Supply Composite All manuals and user guides at all guides com...

Page 23: ...DM K40 Service Manual Page 22 2 3 MPEG Circuit Diagram and Component Layout 2 3 1 MPEG Circuit Diagram Fig 2 8 ZR36762 ZR36768 SDRAM Fig2 9 RF AMPLIFIER DRIVER All manuals and user guides at all guid...

Page 24: ...Daewoo DM K40 Service Manual Page 23 Fig 2 10 AUDIO VIDEO FILTER Fig 2 11 MEMORY All manuals and user guides at all guides com...

Page 25: ...Daewoo DM K40 Service Manual Page 24 Fig 2 12 POWER AV PORT All manuals and user guides at all guides com...

Page 26: ...Daewoo DM K40 Service Manual Page 25 2 3 2 MPEG Assembly Drawing Fig 2 13 All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 27: ...Daewoo DM K40 Service Manual Page 26 2 3 3 MPEG Composite Fig 2 14 All manuals and user guides at all guides com...

Page 28: ...Manual Page 27 2 4 Front panel Circuit Diagram and Component Layout Fig 2 16 Front Panel Circuit Diagram Fig 2 17 Front Panel Assembly Drawing Fig 2 18 Front Panel Composite All manuals and user guid...

Page 29: ...e NG Check F901 Condition Replace F901 OK Check F901 NG Pin4 Pin6 Pin8 Replace F901 Condition OK Check on D101 D102 D103 D104 D105 Output Voltage Condition NG Check on Q103 Pin1 NG Replace Q103 Voltag...

Page 30: ...loading unit instead of repairing the DVD loading unit in local workshop It is suggested to prove the faulty of a DVD loading unit by replacement by a good DVD loading unit Before checking the NO Dis...

Page 31: ...mposite Video Trouble NG Check SETUP Item See User Manual OK NG Check Y1 Output Signal Replace Y1 Parts OK NG Check C128 R106 Signal Replace C128 U1 R106 OK NG Check C130 Signal Replace C130 L9 OK OK...

Page 32: ...Check SETUP Item See User Manual OK NG Check Y1 Output Signal Replace Y1 Parts OK NG Check C122 C125 Signal Replace C122 C125 or U1 OK NG Replace C124 L7 R104 Check C124 C127 Signal or C127 L8 R105 O...

Page 33: ...NG Check U10 Pin1 3 Signal Replace U1 OK NG Check U10 Pin7 5V Check Power Supply OK NG Check U10 Pin5 8 Signal Replace U10 OK NG Check U11 between Check U11 Pin2 6 Signal Pin2 6 and Pin3 5 Parts OK NG...

Page 34: ...rouble NG Check SETUP Item See User Manual OK NG Check U5 Pin9 Signal Replace U1 OK NG Check U5 Pin8 Signal ReplaceU5 OK NG CheckR130 Signal Check External Set OK NG Check C147 Replace C147 OK NG Chec...

Page 35: ...rol Trouble NG Check between CN1 and CN903 Connection OK Replace Check between CN2 and CON2 Connection NG OK NG Check U2 Pin14 27 38Voltage See 3 1 Check U2 OK OK Replace VFD SEG Signal NG OK Check U1...

Page 36: ...rol Trouble NG NG Check Remote Control Replace Battery Replace Control OK NG Check U3 Pin2 Voltage Check Power Supply OK NG Check U3 Pin3 Output Signal Replace U3 OK NG Check U1 Pin201 Input Signal Re...

Page 37: ...3 C904 C909 18 M2C1104F84000022 CT81 50V 104 Z 5 C107 C113 C114 C117 C120 19 M2C1151M84000022 CT81 1000V 151 Z 1 C910 20 M2C1103L84000022 CT81 500V 103 Z 2 C908 C121 21 M2C1472M89000022 CT81 1000V 472...

Page 38: ...60 1 U901 45 M2U110T0A5250V00 T0 5A 250V 1 F901 46 M2P3300000520000 5 20 2 F901 Transformer 46 M2T11EEL193883B0 EEL19 3883B 1 TR901 Jack 47 M2P2200000VH3000 VH 3 1 CN901 48 M2P220000VH3B000 VH 3 B 1 C...

Page 39: ...121JT 1 R137 15 M2R0015131000000 RC 03K151JT 1 R19 16 M2R0022131000000 RC 03K221JT 7 R27 R28 R51 R52 R53 R56 R132 17 M2R0039131000000 RC 03K391JT 1 R20 18 M2R0047131000000 RC 03K471JT 3 R78 R79 R131 1...

Page 40: ...4 C121 C124 C127 C130 47 M2C0221F30060300 CC 0603CG221JN500T 1 C60 48 M2C0471F30060300 CC 0603CG471JN500T 1 C73 49 M2C0561F30060300 CC 0603CG561JN500T 3 C71 C84 C93 50 M2C0102F44060300 CC 0603B102K500...

Page 41: ...lor loop Inductor 69 M2H4LGA1UH1J0307 LGA0307 1 1UH K 4 L6 L7 L8 L9 Ferrite Bead 70 M2H1RH3560083560 RH3 5 6 0 8 2 L12 L15 Diode 71 M2D1IN4148110000 1N4148 DO 35 5 D1 D2 D3 D4 D5 72 M2D1IN4007220000 1...

Page 42: ...0 AZ1117H 3 3V SOT 223 1 U13 89 M2IAZ11170000000 AZ1117H ADJ SOT 223 1 U14 90 M2I000D595400000 D5954 HSOP28 1 U7 91 M2IAZ4558AM00000 AZ4558AM SO8 1 U11 92 M2I00078L0500100 78L05 TO 92 1 U9 94 M2I0L780...

Page 43: ...C3 C4 C5 6 M2C1104F84000022 CT81 50V 104 Z 2 C2 C6 Diode 7 M2D11N4148110000 1N4148 2 D1 D2 8 M2D100374N220000 LT0374N 43 M1 1 D3 IC 9 M2I00PT6312B0000 PT6312B QFP44 1 U2 VFD M2G11NHV06SS9100 06SS91 1...

Page 44: ...686 AHYE ON DONG MAPO GU S E OUL KOR E A C P O BOX 8003 S E OUL KOR E A PRINTED DATE DEC 2004 DAE WOO E LE CTR ONICS COR P All manuals and user guides at all guides com...