Daewoo DSW-802N Service Manual Download Page 19 | Manualshive

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Composite SCART Video Trouble

Check"SETUP" Item

See“User

Check Y200 Output Signal

Replace
Y200

Check Q409 pin1 Signal

Check J400 Cable

Check External Set

Replace
Q409

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manual”

DSW-802N SERVICE MANUAL

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Summary of Contents for DSW-802N

Page 1: ...SERVICE MANUAL DSW 802N DSW 802N SERVICE MANUAL ...

Page 2: ...ock Diagrams Power supply Circuit Diagram and Component Layout MPEG Circuit Diagram and Component Layout Servicing Procedures Power Supply Trouble Service Flow Chart Read Disc Trouble Service Flow Chart Video Trouble Service Flow Chart Parts List Power parts list MPEG parts list Front panel parts list DSW 802N SERVICE MANUAL PCB Board Parts List ...

Page 3: ...es during initial check out procedures 1 1 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 ...

Page 4: ...sting the knobs switches and controls etc or taking actions not specified herein may result in a harmful emission of laser beams This CD Changer must be adjusted and repaired only by qualified service personnel Laser symbol THIS IS COMPACT DISC PLAYER IS CLASSIFIED AS A CLASS 1 LASER PRODUCT THE LASS 1 LASER PRODUCT LABEL IS LOCATED ON THE REAR EXTERIOR 4 DSW 802N SERVICE MANUAL ...

Page 5: ...DSW 802N SERVICE MANUAL ...

Page 6: ...art of the upgrade function are no longer possible If this should be the case you must replace the intergraded FLASH ICs with preprogrammed ICs see corresponding spare parts list Insert the upgrade CD see corresponding spare parts list and observe the hints on the display and on the screen of the TV set Carry out an initialization of the set Displaying the Software Version Number Press one after t...

Page 7: ...2 2 C Ci ir rc cu ui it t Diagram a an nd d Component L La ay yo ou ut t 2 1 MPEG IC BLOCK Diagrams 7 DSW 802N SERVICE MANUAL ...

Page 8: ...i io on n a an na al lo og g g gr ro ou un nd d a an na al lo og g c co or re e g gr ro ou un nd d 1 1 8 8v v a an nd d 3 3 3 3v v s su up pp pl li ie es s R RF F R Re ef fe er re en nc ce e A AV VD DD D1 18 8 A AV VD DD D3 33 3 R RF FB B R RF FC C R RF FD D R RF FE E M MD DI I1 1 M MD DI I2 2 L LD DO O1 1 L LD DO O2 2 A AV VD DD D3 33 3 D DM MO O P PW WM M o ou ut tp pu ut t s si ig gn na al l S ...

Page 9: ...DSW 802N SERVICE MANUAL ...

Page 10: ... 10 DSW 802N SERVICE MANUAL ...

Page 11: ... 11 DSW 802N SERVICE MANUAL ...

Page 12: ... c ci ir rc cu ui it t D Di ia ag gr ra am m a an nd d c co om mp po on ne en nt t l la ay yo ou ut t F Fi ig g2 2 3 3 M MT T1 13 38 89 9L L K K F Fi ig g 2 2 2 2 I In nd de ex x P Po ow we er r 12 DSW 802N SERVICE MANUAL ...

Page 13: ...F Fi ig g2 2 5 5 S SD DR RA AM M F FL LA AS SH H F Fi ig g2 2 4 4 M MO OT TO OR R D DR RV V 13 DSW 802N SERVICE MANUAL ...

Page 14: ...F Fi ig g2 2 6 6 A AU UD DI IO O O OU UT T F Fi ig g2 2 7 7 V VI ID DE EO O O OU UT T 14 DSW 802N SERVICE MANUAL ...

Page 15: ...F Fi ig g2 2 8 8 P Po ow we er r S Su up pp pl ly y C Ci ir rc cu ui it t D Di ia ag gr ra am m 15 DSW 802N SERVICE MANUAL ...

Page 16: ... y t tr ro ou ub bl le e s se er rv vi ic ce e F Fl lo ow w C Ch ha ar rt t Power Supply Block Trouble Check F101 Condition Replace F101 Check ZD1 ZD4 Output Voltage Condition Replace Q1 Check on Q1 pin e Voltage Condition 2 5v Replace IC1 Replace IC2 Ch 5v 12v Output voltage 16 _ DSW 802N SERVICE MANUAL ...

Page 17: ...v vi ic ce e F Fl lo ow w C Ch ha ar rt t N NG G NG OK Read DISC Trouble Check DVD LOADER Connector Condition Replace Connector Replace DVD Loading Unit Check the other Parts by Replacement Method Check the MPEG ATAPI I F Interface Circuit 17 DSW 802N SERVICE MANUAL ...

Page 18: ...it te e V Vi id de eo o T Tr ro ou ub bl le e s se er rv vi ic ce e F Fl lo ow w C Ch ha ar rt t N NG G N NG G O OK K Composite Video Trouble Check SETUP Item See User Manual Check Y200 Output Signal Replace Y200 Check L602 Signal Check CN402 Pin7 Signal Replace Replace CN402 connection Check External Set 18 Parts L602 DSW 802N SERVICE MANUAL ...

Page 19: ...le e S Se er rv vi ic ce e F Fl lo ow w C Ch ha ar rt t N NG G N NG G N NG G N NG G Composite SCART Video Trouble Check SETUP Item See User Check Y200 Output Signal Replace Y200 Check Q409 pin1 Signal Check J400 Cable Check External Set Replace Q409 19 manual DSW 802N SERVICE MANUAL ...

Page 20: ...ub bl le e S Se er rv vi ic ce e F Fl lo ow w C Ch ha ar rt t N NG G Composite S Video Trouble Check SETUP Item See User Check Y200 Output Signal Replace Y200 Parts Check L600 L601 Signal Check P600 Pin Signal Replace L600 601 Check External Set 20 manual DSW 802N SERVICE MANUAL ...

Page 21: ...u ub bl le e S Se er rv vi ic ce e F Fl lo ow w C Ch ha ar rt t O OK K O OK K Replace U501 Check Q503 Q506 Mute Parts Composite Analogy Audio Trouble Check U501 pin2 6 Signal Check U501 pin8 12v Check Q503 Q506 pin3 signal Check CN402 pin1 2 Signal or Check External set 21 DSW 802N SERVICE MANUAL ...

Page 22: ...7 5K 1 34 SMD 0402 R 10K 24 35 SMD 0402 R 12K 1 36 SMD 0402 R 15K 2 37 SMD 0402 R 22K 1 38 SMD 0402 R 27K 2 39 SMD 0402 R 47K 1 40 SMD 0402 R 91K 2 41 SMD 0402 R 100K 3 4 4 P Pa ar rt ts s L Li is st t 4 4 1 1 M MP PE EG G l li is st t Location U200 U300 U400 U401 U403 U2 U501 U1 Y200 CB104 CB107 CB200 CB201 CB205 CB206 C210 C211 CB212 CB214 C214 CB215 C206 C207 C512 C516 C233 C601 C602 C604 C605 ...

Page 23: ...7 4 66 Socket 3P 2 0 1 67 Socket 5P 2 0 1 68 socket 4P 2 0 1 69 socket 6P 2 0 2 70 socket 7P 2 0 1 71 socket 12P 2 0 1 72 socket 5P 2 5 1 73 socket 6P 2 5 1 74 socket 24P 1 75 Lotus socket optical 1 76 S VIDEO Socket S VIDEO 1 77 Lotus socket AV6孔 1 78 Bottom Pannel AL1389L 2SW 1 R16 R526 L213 L203 L600 L601 L602 L604 L211 L212 Q202 Q503 Q506 Q8 Q500 Q502 Q14 Q204 Q203 Q205 Q208 D200 D602 D301 D30...

Page 24: ...eceiver IRM138S REM 1 12 05 1SM1623B A0 IC SM1623 U 1 13 07 0X78YRG1 A0 Digital Screen Digital screen with 7 words like 8 HX X78YRG Rectangle L 20mm LCD 1 14 71 2080807B A0 Sponge 8 L 8 W 7 H mm Black Under receiver 1 15 08 A2501LE1 A0 Front Panel VCD 2501 LED REV 4 Front Panel 1 16 08 B2501LE1 A0 Potentometer Board VCD 2501 LED REV 4 Front Panel 1 17 08 C2501LE1 A0 Microphone board VCD 2501 LED R...

Page 25: ... Loader 5P 2 0 pin MPEG J300 1 5 12 A1316E5B A0 Wire 6P 2 0 6P 26 Red white wire L 130mm Loader 6P 2 0 pin MPEG J201 1 6 12 B900302A A0 Wire 3P 28 20 Shiled Wire L 90mm Microphone board Potentometer Board 1 7 12 B4212E2A A0 Wire 3P 2 0 2P 28 20Shiled Wire L 420mm Microphone board MPEG Board J1 1 8 12 A600405A A0 Wire 4P 26 Red white wire L 60mm Key board Front Panel 1 9 12 A4912E5K A0 Wire 7P 2 0 ...

Page 26: ... EL L 8 81 17 7 M Me et ta al l s sl li ic ce e c ca ap pa ac ci it to or r C C1 1 T TC C M ME EX XT TE EN NT TA A M MK KP P 0 0 1 1u uF F K K X X2 2 2 27 75 5A AC C 9 9 c co ou un nt tr ry y c ce er rt ti if fi ic ca at te e D Di io od de e D D9 9 S SB B3 34 40 0 H HI I V VO OL LT T C Ca ap pa ac ci it to or r C C1 10 0 S SH HM M E E1 10 02 2M M A AC C 4 40 00 0V V C C4 4 1 10 01 1 1 1K KV V C C5...

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