Samsung DVD-N501 Service Manual Download | Manualshive

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Disassembly and Reaasembly

Samsung Electronics

2-7

NO.

CONNECTOR NO.

DIRECTION

CONNECTOR NO.

NO.

Œ

FLAT-CABLE

DECK PCB

MAIN PCB

DCN1

´

ˇ

CONNECT-WIRE (HCN1)

HOUSING PCB

MAIN PCB

DCN2

¨

ˆ

CN8

MAIN PCB

JACK PCB

CN1

Ø

∏

PCN1

MAIN PCB

JACK PCB

PCNS1

”

’

DCN3

MAIN PCB

JACK PCB

CN2

˝

Ô

CN9

MAIN PCB

JOY-PAD PCB

JCNS1



Ò

JCN1

JACK PCB

JOY-PAD PCB

JCNS2

Ú

CT1

CT2

CT3

CT4

CT5

CT6

CT7

Œ

ˇ

CT1

CT2

DECK-ASS'Y

DECK PCB

MAIN PCB

JACK PCB

JOY-PAD PCB

´

ˆ

Ø

∏

Ô

”

˝

¨

’

CT3

CT4

CT6

CT7

CT5



Ú

Ò

2-3 Connector Diagram

Fig. 2-7 Connector Diagram

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Summary of Contents for DVD-N501

Page 1: ...assembly 3 Troubleshooting 4 Exploded Views and Parts List 5 Electrical Parts List 6 Block Diagram 7 PCB Diagrams 8 Wiring Diagram 9 Schematic Diagrams Manual DVD PLAYER CONTENTS SERVICE MANUAL DVD N501 ELECTRONICS Samsung Electronics Co Ltd MAY 2001 Printed in Korea AH68 00885A ...

Page 2: ...rwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screw heads metallic overlays control shafts etc espe cially any exposed metal parts that offer an electri cal return path to the c...

Page 3: ...ched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necess...

Page 4: ...nd lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servic ing follow the printed or indicated service precau tions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components i enti fied by shading by or by in t...

Page 5: ...posure of the assem bly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a ...

Page 6: ... sheet This gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB wh...

Page 7: ...ke solder land 4 points short on Pick up See Fig 1 4 4 Disassembly the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 4 points on Pick up See Fig 1 4 3 Reassemble the Deck Assy PICK UP ASS Y CD DVD SOLDER LAND 4 POINTS SHORT Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 8: ...ssembly and Reassembly 2 1 Cabinet and PCB 2 1 1 Top Cabinet Removal 1 Remove 3 Screws Œ on the back Top Cabinet 2 Lift up the Top Cabinet in direction of arrow Œ 3 SCREWS Fig 2 1 Top Cabinet Removal Note Reassembly in reverse order ...

Page 9: ... y Door Tray in direction of arrow A 3 Close Tray Œ and power off Note If Tray Œ doesn t open insert a Screw driver into the Emergency hole ˇ as shown in detailed draw ing and then push it in the direction of arrow B Open Tray manually Œ TRAY ASS Y DOOR TRAY A Side View ˇ EMERGENCY HOLE SCREW DRIVER B Fig 2 2 Ass y Door Tray Removal ...

Page 10: ...cs 2 3 ˆ ASS Y FRONT CABINET ˇ 1 HOOK 1 HOOK 2 HOOKS Œ 2 HOOKS Ø 2 SCREWS JOY PAD PCB Fig 2 3 Ass y Front Cabinet Removal 2 1 3 Ass y Front Cabinet Removal 1 Release 6 Hooks Œ ˇ and remove Ass y Front Cabinet ˆ 2 Remove 2 Screws Ø and Joy Pad PCB ...

Page 11: ...aasembly DECK ASS Y Œ 3 SCREWS DCN1 MAIN PCB FLAT CABLE CONNECT WIRE DCN2 2 1 4 Ass y Deck Removal 1 Disconnect Flat Cable Connect Wire from DCN1 DCN2 on Main PCB 2 Remove 3 Screws Œ from the Ass y Deck and lift it up Fig 2 4 Ass y Deck Removal ...

Page 12: ...ng Electronics 2 5 ˆ MAIN PCB 4 SCREWS 2 SCREWS Œ 1 SCREW ˇ JACK PCB Fig 2 5 Main PCB Jack PCB Removal 2 1 5 Main PCB Jack PCB Removal 1 Remove 1 Screw Œ 2 Screws and lift up the Jack PCB ˇ 2 Remove 4 Screws and lift up the Main PCB ˆ ...

Page 13: ...2 6 Samsung Electronics Disassembly and Reaasembly JOY PAD PCB MAIN PCB JACK PCB 2 2 PCB Location Fig 2 6 PCB Location ...

Page 14: ... HOUSING PCB MAIN PCB DCN2 ˆ CN8 MAIN PCB JACK PCB CN1 Ø PCN1 MAIN PCB JACK PCB PCNS1 DCN3 MAIN PCB JACK PCB CN2 Ô CN9 MAIN PCB JOY PAD PCB JCNS1 Ò JCN1 JACK PCB JOY PAD PCB JCNS2 Ú CT1 CT2 CT3 CT4 CT5 CT6 CT7 Œ ˇ CT1 CT2 DECK ASS Y DECK PCB MAIN PCB JACK PCB JOY PAD PCB ˆ Ø Ô CT3 CT4 CT6 CT7 CT5 Ú Ò 2 3 Connector Diagram Fig 2 7 Connector Diagram ...

Page 15: ...ider Housing ˇ in the direction arrow A 2 When the Tray Disc comes out a little pull it in the direction arrow B by hand 3 Pull the Tray Disc to disassemble while simultaneously pushing 2 Stoppers ˆ left right in the direction arrow C D Fig 2 8 Tray Disc Removal A Œ SCREW DRIVER EMERGENCY HOLE ˇ SLIDER HOUSING TRAY DISC B C ˆ STOPPER ˆ STOPPER D ...

Page 16: ...4 2 Assy P U Deck Removal 1 Disconnect DCN2 Œ DCN3 2 Lift down the Assy P U Deck ˇ while simultaneously pushing 2 Hooks ˆ in the direction of arrow A B Fig 2 9 Assy P U Deck Removal Œ DCN2 ˆ HOOK HOOK DCN3 ˇ ASSY P U DECK A B Assembly Point SLIDER HOUSING ...

Page 17: ... Tray 4 Lift up the Slider Housing ˆ 5 Remove the soldering Ø of 2 points Red Black 6 Remove 2 Screws and lift down the Motor Load Assy 7 Push the 3 Hooks bottom side in the direction arrow C and lift up the Housing PCB 8 Push the Hooks Ô and remove Deck PCB Fig 2 10 Housing Ass y Removal Œ BELT ˇ PULLEY GEAR GEAR TRAY MOTOR LOAD ASSY 3 HOOKS HOUSING PCB DECK PCB Ô HOOK Ø SOLDERING 2 SCREWS ˆ SLID...

Page 18: ...sung Electronics 2 11 2 4 4 Sub Chassis Removal 1 Remove the Soldering of Motor Feed wire Œ 2 Remove the 4 Screws 3 Lift up the Ass y Brkt Deck ˇ Fig 2 11 Sub Chassis Removal 4 SCREWS ˇ ASSY BRAK DECK Œ SOLDERING OF MOTOR FEED WIRE ...

Page 19: ...d B Gear Feed A ˇ 3 Remove 2 Screws 4 Remove Shaft Pick Up ˆ and Pick Up Assy Ø 5 Remove 1 Screw 6 Remove 2 Screws 7 Remove 3 Spring Spindle and Motor Spindle Ass y Fig 2 12 Ass y Brkt Deck Removal 2 SCREW Œ WASHER GEAR FEED B 2 SCREWS 1 SCREW ˆ SHAFT PICK UP ˇ GEAR FEED A Ø PICK UP ASS Y SPRING SPINDLE MOTOR SPINDLE ...

Page 20: ...tputted from object lens at play key input No focus incoming and no disc occurs Yes No B A No focus incoming FE in SIC1 25 is within specified range SIC3 26 27 output are normal Check open state from SIC3 to pick up Check RIC1 and A B C D input Check SIC3 Yes Yes No No A ...

Page 21: ...led Motor and connection Check MIC1 Yes No LED SLED SIC3 32 33 output are normal Check SIC3 Yes No NO LD CD ON RIC1 21 is 5V Current exceeds 0 1A LD out pick up replace Open check in related circuit Check MIC1 Yes Yes Yes No No Divide RQ1 emitter terminal voltage and 5V real voltage difference into 10ohm B ...

Page 22: ...ge Focus On Yes Yes Yes A See Fine Seek Check No Yes Check pick up No FINE SEEK Check FINE SEEK MIRR signal RIC1 46 is missing TZCO signal SIC1 24 is occurs Track incomming is delayed TE is within 2V and 3V Pick up transfer smooth Check RIC1 Peripheral curcuit Check SIC1 Peripheral curcuit Time out due to many jump counts Check SIC1 peripheral circuit SIC1 33 output is normal SIC3 28 29 terminal o...

Page 23: ... are normal RIC1 71 output is normal Check RIC1 peripheral circuit and A B C D Yes Yes Yes Yes Yes Yes No No No No No No Abnormal rotation of disc motor Input of RF signal is normal SIC1 15 SPD output is normal SIC1 35 After resoldering SIC1 SIC3 2 output FG is normal SIC3 9 signal MON is H Check or replace disc motor Check SIC1 MIC1 Check SIC3 soldering and power Check path to RIC1 and SIC1 Check...

Page 24: ...ng shot Check NIC1 56 output Check NIC1 111 CD VCD 16 9344MHz DVD 18 432MHz Yes Yes No No AOP1 1 7 output is normal Check AOP1 peripheral circuit Yes No Base terminal level of AQ1 AQ3 are L Check FIC1 47 mute Yes No Digital output error Output in NIC1 46 is normal Output in AIC3 6 8 10 is normal Check AVJ4 ACJ5 peripheral soldering shot Check NIC1 peripheral circuit Check AIC3 Yes No No Yes ...

Page 25: ...in VIC1 M Check the connection between pin 2 in PIC5 and Emmiter in PQS58 VIC1 M SAA7128 VIC1 J MM1540 Check the connection between pin 4 in NIC4 and pin 4 in VIC1 M Yes Yes No No MRST is high state at pin 40 in VIC1 M Yes No Control signal is normal at pin 41 42 in VIC1 M When power on or Tray open Yes No Yes Check the connection between pin 27 in NIC7 and pin 40 in VIC1 M Check the connection be...

Page 26: ...e connection between VIC1 J and Emmiter of PQL58 Yes No No Pin 7 8 in VIC1 J is in Low state Yes No Video signals of about 2V appear at pin 16 18 20 23 25 27 in VIC1 J Yes No Video signals of about 1V appear at output jacks Check the soldering of VIC1 J Yes Connect to high Check the connection between VIC1 J and output jacks Check the RCA cable Yes C Change VIC1 J No No VIC1 M SAA7128 VIC1 J MM154...

Page 27: ...4 1 4 Exploded View and Parts List 4 1 Cabinet Assembly 4 2 Deck Assembly Page 4 2 4 4 ...

Page 28: ...inet Assembly 101 151 151 150 601 ASSY PCB MAIN S N A CABINET BOTTOM S N A CHASSIS REAR UT01 DOOR BATTERY AH64 01150B 610 152 150 13 12 12 2 1 151 CN1B 100 DECK DVD MECHA 602 ASS Y PCB JACK S N A Service Not Available 603 ASS Y PCB JOY PAD 151 ...

Page 29: ...TOP DVD M301 XAA SV227 PCM T0 65 601 AH92 01045A ASSY PCB MAIN DVD N501 MAIN 602 AH92 01046A ASSY PCB JACK DVD N501 JACK 603 AH92 01064A ASSY PCB JOY PAD DVD N501 JOY PAD ASS Y 610 AC39 10200N POWER CORD EP2 SPT 2 AWG 18 1 8MT WAFER CN1B 3809 001180 CABLE FLAT 30V 30to 80C 80mm 35P 1 25mm 150 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH101 151 6003 000276 SCREW TAPTITE BH B M3 L10 ZPC YEL SWC 15...

Page 30: ...Exploded Views and Parts List 4 4 4 2 Deck Assembly H108 H106 H101 H105 H107 H102 H240 H211 H203 H241 DCN1B 905 H104 H250 H103 H207 H208 H201 H202 H210 H204 H205 H209 H206 901 900 904 906 903 ...

Page 31: ...H107 AH66 00125A SLIDER HOUSING DP 7 POM H108 AH63 00217A TRAY DISC POM BLK DP 7 H201 AH97 00561B ASSY BKRT DECK SECC POM DP 7 ª ª Õ H202 AH73 00023C RUBBER INSULATOR DP 7 BUTYL RUBBER 10 H203 AH61 50327A SHAFT P U DP SUS420J2 OD3 L84 7 S FINISH H204 AH66 00075A GEAR FEED A POM M90 44 H205 AH66 00076A GEAR FEED B POM M90 44 H206 AC60 30306A WASHER SLIT ID2 1 OD5 0 T0 5 POLYS H207 AH31 00022A MOTOR...

Page 32: ...Kohm 5 1 16W DA TP 1608 MR10 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR11 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR12 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR13 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR14 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR15 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 MR16 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 MR19 2007 000070 R CHIP 0o...

Page 33: ...B 120ohm 2x1 25x0 9mm NL36 3301 000353 CORE FERRITE BEAD AB 120ohm 2x1 25x0 9mm NL37 3301 000353 CORE FERRITE BEAD AB 120ohm 2x1 25x0 9mm NL38 3301 000353 CORE FERRITE BEAD AB 120ohm 2x1 25x0 9mm NL41 3301 001051 CORE FERRITE BEAD AB 1kohm 1 6x0 8x0 8mm NL42 3301 001051 CORE FERRITE BEAD AB 1kohm 1 6x0 8x0 8mm NL43 3301 001051 CORE FERRITE BEAD AB 1kohm 1 6x0 8x0 8mm NL5 3301 000353 CORE FERRITE B...

Page 34: ...0nF 10 16V X7R TP 1608 RC27 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 RC29 2401 000414 C AL 10uF 20 16V GP TP 4x7 5 RC3 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 RC30 2203 005148 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 RC31 2203 000236 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1608 RC32 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 RC33 2203 005065 C CERAMIC CHIP 1000nF 80 20 10V ...

Page 35: ...17 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 SR18 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 SR19 2007 000091 R CHIP 12Kohm 5 1 16W DA TP 1608 SR20 2007 001235 R CHIP 910Kohm 5 1 16W DA TP 1608 SR21 2007 000092 R CHIP 15Kohm 5 1 16W DA TP 1608 SR23 2007 000091 R CHIP 12Kohm 5 1 16W DA TP 1608 SR24 2007 000091 R CHIP 12Kohm 5 1 16W DA TP 1608 SR25 2007 000093 R CHIP 20Kohm 5 1 16W DA TP 1608 SR...

Page 36: ...19 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 AR2 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 AR201 2001 000003 R CARBON 330ohm 5 1 8W AA TP 1 8x3 2mm AR202 2001 001035 R CARBON 91OHM 5 1 8W AA TP 1 8X3 2MM AR203 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 2MM AR21 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 AR22 2007 000572 R CHIP 220OHM 5 1 10W DA TP 2012 AR24 2001 000515 R CARBON 220OHM...

Page 37: ...31 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 PES32 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 PES33 2401 003059 C AL 1000UF 20 16V WT TP 10X16 5 PES34 2401 000118 C AL 1000uF 20 10V GP TP 10x12 5 5 PES35 2401 003046 C AL 47uF 20 50V WT TP 6 3x11 2 5 PES36 2401 001353 C AL 470uF 20 10V GP TP 8x11 5 5 PES37 2401 002042 C AL 220uF 20 10V GP TP 6 3x11 5 PES51 2401 002144 C AL 47uF 20 16V GP TP 5x...

Page 38: ...D N501 JOY PAD ASS Y JCNS1 3711 001102 CONNECTOR HEADER BOX 7P 1R 2mm STRAIGHT JCNS2 AH39 00267A CONNECT WIRE 26 03P WHITE BLK JL1 2901 001184 FILTER EMI ON BOARD 50V 0 5A 220pF 7x2 JL2 2901 001184 FILTER EMI ON BOARD 50V 0 5A 220pF 7x2 JL3 2901 001184 FILTER EMI ON BOARD 50V 0 5A 220pF 7x2 JL4 2901 001184 FILTER EMI ON BOARD 50V 0 5A 220pF 7x2 JL5 2901 001184 FILTER EMI ON BOARD 50V 0 5A 220pF 7x...

Page 39: ...lter Coaxial Yout Cout SIC1 KS1454 Servo DSP RIC1 KS1462 RF Amp DPD MIC1 TMP91C219F Main Controller FIC1 uPD780232 Front Controller NIC7 KS999F Sally NIC5 KS24C021 EEPROM NIC12 SDRAM System Bus NIC11 Flash Memory NIC1 XCMMP L3CZP A V Decoder CVBS R Pr B Pb G Y Lt Rt Post Filter Optical AIC1 AK4382 2 CH Audio DAC VIC1 SAA7128 Video Encoder Post Filter Post Filter Post Filter IEC958 1937 VIC1 MM1540...

Page 40: ...Samsung Electronics 7 1 7 PCB Diagrams 7 2 7 3 7 4 7 4 7 4 7 1 Main 7 2 Jack 7 3 Joy Pad 7 4 Deck 7 5 Housing ...

Page 41: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE SOLDER SIDE ...

Page 42: ...PCB Diagrams Samsung Electronics 7 3 7 2 Jack ...

Page 43: ...PCB Diagrams 7 4 Samsung Electronics 7 3 Joy Pad 7 5 Housing 7 4 Deck ...

Page 44: ...Samsung Electronics 8 1 8 Wiring Diagram ...

Page 45: ... 9 Schematic Diagrams 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 9 1 S M P S 9 2 Servo Key 9 3 MPEG Decoder 9 4 Video 9 5 Audio 9 6 Front 9 7 Joystick 9 7 Deck Block Identification of PCB Main PCB Component Side Jack PCB Component Side ...

Page 46: ...Schematic Diagrams 9 2 Samsung Electronics 9 1 S M P S ...

Page 47: ...Schematic Diagrams Samsung Electronics 9 3 9 2 Servo Key ...

Page 48: ...Schematic Diagrams 9 4 Samsung Electronics 9 3 MPEG Decoder ...

Page 49: ...Schematic Diagrams Samsung Electronics 9 5 9 4 Video ...

Page 50: ...Schematic Diagrams 9 6 Samsung Electronics 9 5 Audio ...

Page 51: ...Schematic Diagrams Samsung Electronics 9 7 9 6 Front ...

Page 52: ...Schematic Diagrams 9 8 Samsung Electronics 9 7 Joystick ...

Page 53: ...Schematic Diagrams Samsung Electronics 9 9 HOUSING PCB 9 8 Deck ...

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