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Daewoo DN-W551 Service Manual

Daewoo

DN-W552

Service manual

Table of Contents

page

General Section …………………………………………………………………. 2

Cautions/Warnings

Safe Warnings
Precautions

Software Upgrade

Circuit Diagram and Component Layout ……………………………………… 5

MPEG IC Block Diagrams

Power supply Circuit Diagram and Component Layout

MPEG Circuit Diagram and Component Layout

Front panel Circuit Diagram and Component Layout

Servicing Procedures ……………………………………………………………. 22

Power Supply Trouble Service Flow Chart

Read Disc Trouble Service Flow Chart

Video Trouble Service Flow Chart

Digital Audio Trouble Service Flow Chart

Composite Analogy Audio Trouble Service Flow Chart

Front Control Trouble Service Flow Chart

Remote Control Trouble Service Flow Chart

Parts List

……………………………………………………………….. 30

Power parts list

Front panel parts list

MEPG parts list

Содержание DN-W552

Страница 1: ...out MPEG Circuit Diagram and Component Layout Front panel Circuit Diagram and Component Layout Servicing Procedures 22 Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Video Trouble Service Flow Chart Digital Audio Trouble Service Flow Chart Composite Analogy Audio Trouble Service Flow Chart Front Control Trouble Service Flow Chart Remote Control Trouble Service Flow Ch...

Страница 2: ...Leakage Current Check 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 if the resistance from chassis to either side of the power cord is less than 240 K ohms the unit is defective WARNING DO NOT return the unit to the customer until the problem or...

Страница 3: ...rts moving pares including the Pickup Block as extremely high mechanical precision or required in these parts 1 3 1 2 When soldering the microprocessor and signal processing IC s use a ceramic soldering iron or a soldering iron whose metal part is grounded since they are not resistant to static electricity 1 3 1 3 When removing the solder or soldering the laser shorting lands for the Pickup Block ...

Страница 4: ...provide as following step Creating a software upgrade CD Use only a new CD R CD RW not an erased one Give the CD a name of your choice e g version and unit name Burn the unpacked documents on the CD R CD RW The root directory uppermost level of the software upgrade CD Attention If a failure should occur during the software upgrade e g a mains failure it may happen that the units function and a res...

Страница 5: ...Daewoo DN W551 Service Manual 5 2 Circuit Diagram and Component Layout 2 1 MPEG IC Block Diagrams Fig 2 1 Vaddis MTK1389QE D ...

Страница 6: ...Daewoo DN W551 Service Manual 6 Fig 2 2 Vaddis MTK1389QE D block diagram ...

Страница 7: ...Daewoo DN W551 Service Manual 7 Table1 Vaddis MTK1389QE D Pin s operational function description ...

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Страница 15: ...Daewoo DN W551 Service Manual 15 2 2 1Power supply Circuit Diagram and Component Layout Infinoen Fig 2 1 Power Supply Circuit Diagram ...

Страница 16: ...Daewoo DN W551 Service Manual 16 Fig2 2 Power Supply Assembly Drawing Fig 2 3 Power Supply Composite ...

Страница 17: ...Daewoo DN W551 Service Manual 17 2 3 MPEG Circuit Diagram and Component Layout 2 3 1MPEG Circuit Diagram Fig 2 4 MTK1389QE D SDRAM Fig 2 5RF AMPLIFIER DRIVER ...

Страница 18: ...Daewoo DN W551 Service Manual 18 Fig 2 6 AUDIO VIDEO FILTER ...

Страница 19: ...Daewoo DN W551 Service Manual 19 Fig 2 7 MEMORY Fig2 8 POWER PORT ...

Страница 20: ...Daewoo DN W551 Service Manual 20 2 3 2 MPEG Assembly Drawing Fig 2 99 2 3 3 MPEG Composite Fig 2 10 ...

Страница 21: ...Daewoo DN W551 Service Manual 21 2 4 Front panel Circuit Diagram and Component Layout Fig 2 11 Front Panel Circuit Diagram Fig 2 12 Front Panel Assembly Drawing Fig 2 13 Front Panel Composite ...

Страница 22: ...le Service Flow Chart Infineon Power Supply Block Trouble NG Check F1 Condition Replace F1 OK Check on DA1 DA2 DA3 DA4 NG DA5 DA6 DB2 DB3 DB4 DB7 DB8 Output Voltage Condition OK NG Check on U3 Replace U3 Voltage Condition Pin1 2 4V Pin2 0V Pin3 2 6V NG NG Check on U2 Replace U2 NG NG Check on U1 Replace U1 Check C104 Output Voltage ...

Страница 23: ...acing the complete DVD 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 Disc Trouble ensure excluding the following possibilities The test disc is damage AC power supply voltage dropped below the minimum required level DVD disc region code and color sys...

Страница 24: ...ble Service Flow Chart Composite Video Trouble NG Check Composite Video Replace Composite Video Parts Output Signal OK NG Check SETUP Item See User Manual OK NG Check CP3 Signal Replace CP3 OK NG Check R107 D12 D14 Replace R107 D12 D14 Q16 L36 Signal Q16 L36 OK Check U2 Pin175 Signal NG Replace U2 ...

Страница 25: ...t S Video Trouble NG Check S Video Output Signal Replace S Video Parts OK NG Check SETUP Item See User Manual OK NG Check CP1 Signal Replace CP1 OK NG Check R85 R80 Signal Replace R85 80 OK NG Check Q38 Q39 Signal Replace Q38 Q39 OK Check U2 Pin181 182 signal NG Replace U2 ...

Страница 26: ... Flow Chart Digital Audio Trouble NG Check SETUP Item See User Manual OK NG Check Optical Coaxial Out Signal Replace Optical Coaxial OK NG Check CP3 CP4 Signal Replace CP3 CP4 OK NG Check R113 R114 R117 Replace R113 R114 R117 C155 C155 Signal OK NG Check U2 ReplaceU2 ...

Страница 27: ...rt Composite Analogy Audio Trouble NG Check CP3 Signal Replace CP3 OK NG Check Q18 Q19 Q20 Q21 Replace Q18 Q19 Q20 Q21 Q25 Q26 Q25 Q26 OK Check U11 U13 U14 Pin4 12V NG Replace U11 U13 U14 Pin8 12V OK NG Check U16 Pin19 20 23 24 Replace U16 26 27 OK Check U2 Pin 163 164 165 NG Replace U2 ...

Страница 28: ...nual 28 3 6 Front Control Trouble Service Flow Chart Front Control Trouble NG Check between CN1 Connection Replace CN1 OK NG Check U1 pin7 Vol 5V Check EC1 C1 OK OK NG Check LED Array Replace U1 Replace EC1 C1 Replace LED Array ...

Страница 29: ...nual 29 3 7 Remote Control Trouble Service Flow Chart Remote Control Trouble NG NG Check Remote Control Replace Battery Replace Control OK NG Check IR Pin1 Voltage Check Power Supply OK Check IR Pin3 Output Signal NG Replace IR ...

Страница 30: ...05101 104 50V 20 D7 F5 2 CB12 CA9 Electrolytic Capacitor 11 30 422034 01110 10V 220UF 20 1 CB6 12 30 422034 03110 25V 220UF 20 D8 1 CB9 13 30 404734 03100 25V 47UF 20 D6 3 CB4 CB10 CA5 14 30 410034 02100 16V 100UF 20 D6 12 1 CB7 15 30 400164 01110 10V 1000U P3 5 20 Φ8 12MM 2 CB5 CB8 16 30 402234 14100 400V 22UF 20 D16 22 1 CA3 17 30 410034 03100 25V 100UF 20 D8 1 CB3 18 30 400134 05100 50V 1UF 20 ...

Страница 31: ...1 U2 Fixed Inductance 30 41 130103 13201 10uH 3 4A 10 2 LB1 LB2 Transformer 31 42 022112 02000 PINF001 L EEL19 1 T1 32 42 032014 01000 UT 20 25mH 1 LA1 Fuse Tube 33 52 001311 11200 1A 250V 20 5MM UL 1 F1 Jack 34 48 111031 20100 3 96 3P 1 CN1 Jumper 35 51 110009 10800 L 5 8MM Φ 0 5MM 3 JP2 JP3 CN2 36 51 110014 10800 L 14MM Φ 0 5MM 3 JP1 RB5 DB6 PCB 37 46 0W552H 12400 PINF001 REV B1 3 1 Bead 38 41 5...

Страница 32: ...100 101 50V 10 3 C6 C4 C5 7 32 301045 05100 104 50V 20 80 F5 D6 1 C1 Diode 8 11 02SD10 21100 RoundΦ3 red 1 D1 Receiver 9 44 001838 22100 5V BTM 1838 1 IR Jumper 10 51 110005 10800 L 5MM Φ 0 5MM 2 JMP2 JMP4 11 51 110007 10801 L 7 5MM Φ 0 5MM 1 JMP1 12 51 110009 10800 L 8 5MM Φ 0 5MM 1 JMP3 Jiggle Switch 13 55 002202 22000 6 6 6MM 250g 6 SW2 SW6 14 55 002204 21000 6 6 5 250gf 1 SW7 IC 15 10 SC6928 3...

Страница 33: ...13413333140 333 50V 10 0603 1 C45 9 13411033141 103 50V 10 0603 1 C26 10 13411057140 1U 10V 80 20 0603 5 C59 C60 C61 C63 C64 11 13414737140 473 50V 80 20 0603 2 C47 C46 12 13412223140 222 50V 10 0603 3 C21 C27 C36 13 13411523140 152 50V 10 0603 1 C34 14 13413913140 391 50V 10 0603 1 C20 15 13410205140 20P 50V 5 0603 5 C31 C163 C170 C234 C2 36 16 13413313140 331 50V 10 0603 2 C88 C87 17 13410335140...

Страница 34: ...0 R71 R72 R73 R74 R151 R150 R149 R144 R143 R142 24 11310755010 1 16W 75Ω 5 0603 4 R114 R182 R189 R95 25 11311015010 1 16W 100Ω 5 0603 1 R113 26 11311115010 1 16W 110Ω 5 0603 1 R115 27 11311615010 1 16W 160Ω 5 0603 14 R82 R89 R92 R100 R102 R104 R109 R111 R241 R242 R246 R247 R98 R9 0 28 11312215010 1 16W 220Ω 5 0603 1 R121 29 11311025010 1 16W 1K 5 0603 16 R28 R123 R126 R132 R2 01 R202 R203 R204 R14...

Страница 35: ...603 1 R5 46 11318225010 1 16W 8 2K 5 0603 1 R3 47 11316815010 1 16W 680Ω 5 0603 2 R77 R78 Electrolytic Capacitor 48 12247126120 25V 470UF 20 D8 1 C205 49 12233826110 50V 3 3UF 20 D5 2 C203 C177 50 12201026110 16V 10UF 20 D5 8 C173 C181 C190 C198 C 174 C182 C191 C199 51 12222126110 16V 220UF 20 D6 9 C2 C8 C11 C13 C17 C19 C104 C113 C15 52 12204726110 16V 47UF 20 D5 10 C52 C53 C54 C74 C97 C 75 C120 C...

Страница 36: ... Q22 Q 23 Q32 Q38 Q39 Q12 68 15008050000 SS8050 SOT23 2 Q29 Q28 69 15003018000 2SK3018 SOT23 2 Q2 Q3 Chip Ic 70 14802416080 AT24C16 5V SOP 71 14804558012 CF4558CB 1 U9 72 14804360000 CS4360 3 U11 U13 U14 73 148S642B010 K4S641632H TC60 1 U16 74 148F082B032 A29L800UV 70 1 U6 75 148M892QD00 MT1389QE REV D 1 U12 76 14805888001 AM5888S HSOP28 1 U2 Crystal 77 16102271060 27MHZ 27P 基频HC 49 S 1 Y1 Jack 78...

Страница 37: ... 37 85 23471100083 S exitrimity DSW 007 1 CP1 86 22824050180 FPC 24PIN 0 5mm 1 CN5 87 22804254190 4PIN 2 54mm 1 CN9 88 22806254190 6PIN 2 54mm 1 CN4 Jumper 89 23000250500 Φ0 5mm 2 5mm PBC 2 C237 C23 90 11800010430 MMTK010 REV B3 3 ...

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