Samsung DVD-V4300, Service Manual

Page 1: ...SERVICE MANUAL DVD V4300 V4600 DVD V4300 DVD V4600 ELECTRONICS Samsung Electronics Co Ltd FEB 2003 Printed in Korea AK82 00516A If you want to know additional information which is not included on this Service Manual please refer to the DVD V4600 Training Manual AK82 00460A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicabl...

Page 2: ... Motor Load Ass y Separate the Motor Load Ass y 2 When Slider S T approachs the unloading position rotate holder Clutch counterclockwise after inserting screwdriver in the frame s bottom hole in order to wind the unwound tape Refer to Fig 3 If you rotate Gear Worm Πcontinuously when tape is unwinding you may cause tape contamination by grease and tape damage Be sure to wind the unwound tape with ...

Page 3: ...erwriters 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 ...

Page 4: ...nched 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 neces...

Page 5: ...d 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 identi fied by shading by or by in th...

Page 6: ...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 7: ... 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 8: ... Assy 3 Make solder land 2 points short on Pick up See Fig 1 4 4 Disassemble the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points on Pick up 3 Reassemble the Deck Assy PICK UP ASS Y SOLDER LAND 2 POINTS SHORT Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 9: ...etting 3 When replacing the cylinder ass y be sure to adjust the X Point and Head switching adjustment 4 How to adjust Intermittently short circuit the Test Point on Main PCB with pincers to the adjustment mode If the corresponding adjustment button is pressed the adjustment is performed automatically When the adjustment is completed be sure to turn the power off 2 1 1 a Location of adjustment but...

Page 10: ...2 2 Alignment and Adjustments Samsung Electronics 2 1 1 b TEST location for adjustment mode setting Fig 2 2 VCR Main PCB Top View Short Circuit for few seconds and release Just one time ...

Page 11: ...ompleted press the button of remote control If button is pressed the selected number is changescolor See Fig 2 4 5 Press the ENTER button of remote control again to store the option number 6 Turn the Power off 1 NVRAM Option is adjusted in the factory 2 In case Main PCB Micom IC601 and NVRAM IC603 EEPROM are replaced be sure to set the corresponding option number of the required model If the optio...

Page 12: ...2 4 Alignment and Adjustments Samsung Electronics 2 2 DVD Adjustment 2 2 1 Location of Test Point Fig 2 5 Location of test Point Main PCB Top Side S ...

Page 13: ...Spec and Test Point 2 2 2 Skew Adjustment Test Disc Adjustment Spec Test Point Adjustment Location TDV 533 ENV Ass y Deck Top Side Chapter 14 Flat Waveform DVD Main PCB Top Side See Fig 2 6 See Fig 2 5 Fig 2 6 Ass y Deck Top Side Test Disc Service not Available Table 2 2 ...

Page 14: ...e Oscilloscope Range as follows Voltage 50mV Div Frequency 10m Sec 3 Adjust the Screws A and B See Fig 2 6 using a Hex screwdriver until you obtain a Flat Waveform and the picture is stable Then go to Chapter 1 and make sure the Waveform is Flat here as well If not you have to go back to Chapter 14 and adjust again If you cannot obtain a Flat waveform then the unit is defective Note The Deck must ...

Page 15: ...the height of the tape guide and prevent damage do not apply excessive force onto the main base Fig 2 8 Location of Tape Transport Adjustment Fig 2 9 Tape Travel Diagram CYLINDER ASS Y TAKE UP REEL DISK 8 GUIDE POST 9 GUIDE POST SUPPLY REEL DISK CAPSTAN PINCH ROLLER GUIDE ROLLER T GUIDE ROLLER S FULL ERASE HEAD 3 GUIDE POST TENSION POST HEIGHT SCREW TILT SCREW X POSITION ADJUST SILT AZIMUTH SCREW ...

Page 16: ...e is still observed at the tape guide perform the tilt adjustment of the ACE head 1 ACE Head Assembly Adjustment a ACE HEAD HEIGHT ADJUSTMENT 1 Run the alignment tape Color bar in the playback mode 2 Observe surface of the audio head using a dental mirror 3 Turn screw C clockwise or counterclockwise until the gap of lower tape edge and the lower edge of the control head is about 0 25mm Refer to Fi...

Page 17: ...wer flange of tape guide as shown in Fig 2 12 B 3 If a curl or wrinkle of the tape occurs slightly turn the screw A tilt adjust on the ACE head ass y 4 Reconfirm the ACE head height Fig 2 12 Tape Guide Check c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the 7KHz signal 2 Connect channel 1 scope probe to audio output 3 Adjust screw B to achieve maximum audio level See Fig...

Page 18: ...ons then adjustment is operates automatically See Fig 2 1 4 Connect the CH 1 probe to Envelope the CH 2 probe to H D switching pulse and then trigger to CH 1 5 Insert the driver into the X Point adjustment hole and adjust it so that envelope waveform is maximum Test point TP2 Audio Output TP3 Envelope TP4 H D S W Trigger TP5 Control Pulse Fig 2 13 Location of Test point VCR Main PCB Top View AUDIO...

Page 19: ...lope b Minimum output of the video RF envelope at the entrance side c Minimum output of the video RF envelope at the center point d Maximum output of the video RF envelope at the exit side 4 If the section A in Fig 2 15 does not meet the specification adjust the guide roller S up or down 5 If the section B in Fig 2 15 does not meet the specification adjust the guide roller T up or down Fig 2 14 En...

Page 20: ...ope CH 1 to the Envelope and CH 2 to the H D SW Pulse for triggering 8 Turn the guide roller heads with a flat head driver to obtain a flat video RF envelope as shown in Fig 2 16 Fig 2 16 Guide Roller S T Height Adjustment IDEAL ENVELOPE SHEIGHTTOOHIGH SHEIGHTTOOLOW THEIGHTTOOHIGH THEIGHTTOOLOW GUIDE ROLLER S GUIDE ROLLER T ...

Page 21: ...de Changes from RPS to Play Mode 4 Envelope Check 1 Make recordings on T 120 E 120 and T 160 E 180 tape Make sure the playback output envelope meets the specification as shown in Fig 2 18 2 Play back a self recorded tape recording made on the unit using with T 120 E 120 The video envelope should meet the specification as shown in Fig 2 18 In SP mode A should equal B If the head gap is wide upper c...

Page 22: ... ass y drives the disk reel S T through gear idler by rotation of gear center ass y 3 Brake is operated by slider cam at FF REW mode 4 Transportation of accurate driving force is done by gears Gear Center Ass y Note If the spec does not meet the followings specifications replace the holder clutch ass y and then recheck MODE TORQUE g cm GAUGE PB 42 11 Cassette Torquemeter RPS 145 30 Cassette Torque...

Page 23: ...rts List 3 1 Cabinet Assembly 3 2 3 2 VCR Mechanical Parts Top Side 3 4 3 3 VCR Mechanical Parts Bottom Side 3 6 3 4 DVD Mechanical Parts 3 8 You can search for the updated part code through ITSELF web site URL http itself sec samsung co kr Notice ...

Page 24: ...onics 3 1 Cabinet Assembly DVD DECK S N A 157 BRACKET FRAME S N A 153 UT01 101 155 701 FUNCTION PCB 601 VCR MAIN PCB 603 S M P S PCB 602 DVD MAIN PCB TM401B 200 ASSY FRAME S N A 1 21 22 S N A Service Not Available 157 VCR DECK S N A S602A LD601A 3 2 ...

Page 25: ...ET TOP DVD V4500 PCM T0 5 W430 L223 153 AC60 12126A SCREW BH FE FZY BH 4 12 155 6003 000275 SCREW TAPTITE BH B M3 L10 BLK SWCH101 157 AC60 10063A SCREW TAPTITE L12 ZPC3 M3 SWRC 200 AC39 10014A CBF POWER CORD KKP 211 VFF0 75MM JIS CON Other Only AC39 00019A CBF POWER CORD KKP 419C H03VVH2 F VDE KE CHILE PERU Only 601 AK92 00387D ASSY PCB MAIN VCR DVD V4300 XAX LED M 602 AK92 00341A ASSY PCB MAIN DV...

Page 26: ...t 3 4 Samsung Electronics 3 2 VCR Mechanical Parts Top Side G001 G555 G510 G480 K546 B410 B440 B411 B448 B452 G546 G060 G520 G527 K188 K182 K110 K240 K248 K350 K330 K140 K340 G070 K470 B474 B473 K250 K530 K490 G530 G420 G450 K502 ...

Page 27: ...PH M2 6 L5 0 ZPC G520 AC66 00074A LEVER GUIDE 9 TS 9 PPS BLK KHA G527 AC61 60553A SPRING ETC GUIDE 9 X 9 SUS304 WPB 0 25 G530 AC33 00007A HEAD FE HVFHPOO43A G546 AC66 00005A LEVER FL DOOR TS 10 POM NAT G555 AC97 02293A ASSY UNIT PINCH SECC SUS304 TS 10 FOR X G560 AC97 02215A ASSY POST 8 GUIDE SUS303 POM M90 44 EQ K110 AC66 10267A REEL DISK S X 9 POM K140 AC66 10268A REEL DISK T X 9 POM K182 AC66 3...

Page 28: ...Exploded View and Parts List 3 6 Samsung Electronics 3 3 VCR Mechanical Parts Bottom Side G542 B462 B560 B484 B488 B475 B500 B456 B458 B464 B468 K222 K200 K225 K221 B478 B570 B460 ...

Page 29: ...5 AC66 00085A DAMPER CAPSTAN X 11 POM M90 44 B478 AC66 00016A LEVER TENSION DRIVE TS 10 SECC E20 20 1 B484 AC66 00078A GEAR LOADING DRIVE X 11 POM K300 B488 AC97 02195A ASSY LEVER LOADING S SECC POM SUS X 11 F B500 AC97 02196A ASSY LEVER LOADING T SECC POM SUS X 11 F B560 AC81 00004A MOTOR CAPSTAN THRUST END PLAY 0 2 MR FG B570 AC60 10514A SCREW CAPSTAN M2 6 L6 PH G542 AC66 60051A BELT PULLEY 5CM ...

Page 30: ...loded View and Parts List 3 8 Samsung Electronics 3 4 DVD Mechanical Parts H212 H205 H210 H209 H903 H104 H109 H106 H105 H107 H207 H206 H904 H904 H211 H206 H203 H103 H108 H204 H903 H903 H241 H102 H202 H900 ...

Page 31: ...P 15 COMBO H202 AK73 00005B RUBBER INSULATOR DP 15 BUTYL 12 HS30 H H203 AH61 50327A SHAFT P U DP 3 SUS L84 7 OD3 H204 AK66 00043A GEAR FEED A DP 15 POM H205 AK66 00044A GEAR FEED B DP 15 POM H206 AK61 00032A HOLDER CAM SKEW DP 9 POM BLACK H207 AK31 00014A MOTOR SPINDLE DP 15 3000RPM H209 AK64 00491A CHASSIS SUB DP 15 POM H210 AK31 00005A MOTOR FEED ASSY DP 9 H211 AK97 00638A ASSY PICK UP SOH DT2 T...

Page 32: ...Exploded View and Parts List 3 10 Samsung Electronics MEMO ...

Page 33: ... 2401 000408 C AL 10uF 20 16V GP TP 3 5x5 2 5 C310 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 C311 2401 000408 C AL 10uF 20 16V GP TP 3 5x5 2 5 C312 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 C313 2401 000408 C AL 10uF 20 16V GP TP 3 5x5 2 5 C314 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 C315 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 C316 2203 005065 C CER CHIP 1000nF 80 20...

Page 34: ...ER CHIP 0 022nF 5 50V C0G TP 1608 C622 2203 005065 C CER CHIP 1000nF 80 20 10V Y5V 1608 C623 2202 000121 C CERAMIC MLC AXIAL 100pF 10 50V Y5P TP C624 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 C625 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP C626 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 C627 2203 001697 C CER CHIP 0 082nF 5 50V NP0 TP 1608 C628 2401 001168 C AL 33uF 20 16V GP TP 6 3...

Page 35: ...07 000124 R CHIP 2 2Kohm 5 1 10W TP 1608 R311 2007 001114 R CHIP 680Kohm 5 1 10W TP 1608 R312 2007 000122 R CHIP 1 2Kohm 5 1 10W TP 1608 R313 2001 000258 R CARBON 1 8KOHM 5 1 8W AA TP 1 8X3 2M R314 2007 000123 R CHIP 1 5Kohm 5 1 10W TP 1608 R315 2007 001179 R CHIP 8 2Kohm 5 1 10W TP 1608 R316 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R317 2001 000387 R CARBON 16KOHM 5 1 8W AA TP 1 8X3 2MM...

Page 36: ...0KOHM 5 1 8W AA TP 1 8X3 2MM R719 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R720 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R721 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R722 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R723 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R724 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R728 2007 001167 R CHIP 75ohm 5 1 1...

Page 37: ...5 1 10W TP 1608 FR20 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 FR21 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 FR22 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 FR23 2007 000086 R CHIP 5 6Kohm 5 1 10W TP 1608 FR24 2007 000086 R CHIP 5 6Kohm 5 1 10W TP 1608 FR25 2007 000086 R CHIP 5 6Kohm 5 1 10W TP 1608 FR26 2007 000094 R CHIP 22Kohm 5 1 10W TP 1608 FR28 2007 007277 R CHIP 392ohm 1 1 10W TP 1608 FR3 2007 ...

Page 38: ... ZC37 2203 000681 C CER CHIP 0 027NF 5 50V C0G TP 1608 ZC39 2203 000681 C CER CHIP 0 027NF 5 50V C0G TP 1608 ZC4 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC40 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 ZC41 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC42 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC43 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC44 2203 005148 C CER CHIP ...

Page 39: ...OIL CHOKE 10UH 15 RA K 30 Q80 150KHZ L1SS03 AC27 12001N COIL CHOKE 10UH 15 RA K 30 Q80 150KHZ L1SS04 AC27 12001N COIL CHOKE 10UH 15 RA K 30 Q80 150KHZ PT1SD1 AC26 00012A TRANS SWITCHING EER3530 DIVA EUROPE 2 Q1P101 0501 000362 TR SMALL SIGNAL KSC2328A Y NPN 1000MW TO Q1P102 0504 000142 TR DIGITAL KSR2001 PNP 300MW 4 7K 4 7K T Q1P103 0501 000398 TR SMALL SIGNAL KSC945 NPN 250mW TO 92 T Q1P104 0501 ...

Page 40: ...This Document can not be used without Samsung s authorization 4 8 Samsung Electronics Electrical Parts List MEMO ...

Page 41: ...1742KE 2CH Audio DAC TR DRIVE Q701 Q705 Q708 Q715 LED Drive DT701 VIC1 LA73054 Video Amp 6CH S W ZIC3 MBM29LV800BA IMB Flash Memory ZIC4 TC74VHCT125 Level Shifter Component IC801 MM1501 Output Video Signal Switch IC501 LA72670BM Hi FI Audio Processor IC301 LA71207 Video Signal Processor IC601 MN101D10F VCR Main Micom Audio Common Video Common Front A V Jack Audio ZIC2 64MB SD RAM DVD Composite Vid...

Page 42: ...Block Diagram 5 2 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...

Page 43: ... unless otherwise noted Note Special note Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the electrostatically sensitive ES devices section of this service manual Note Do not use the part number shown on this drawing for ordering The correct part number is shown in the parts list may be slightly different or amended ...

Page 44: ...cument can not be used without Samsung s authorization Block Identification of Main PCB VCR MAIN PCB Component Side Conductor Side DVD MAIN PCB Component Side DVD MAIN DECODER A V BLOCK DVD AUDIO DAC DVD RF SIGNAL BLOCK DVD MOTOR DRIVE BLOCK LOGIC DATA ...

Page 45: ...6 1 S M P S Schematic Diagrams Samsung Electronics 6 3 This Document can not be used without Samsung s authorization ...

Page 46: ...Schematic Diagrams 6 4 Samsung Electronics This Document can not be used without Samsung s authorization 6 2 Power ...

Page 47: ...Schematic Diagrams Samsung Electronics 6 5 This Document can not be used without Samsung s authorization 6 3 Logic Function ...

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Page 49: ...Schematic Diagrams Samsung Electronics 6 7 This Document can not be used without Samsung s authorization 6 5 Hi Fi MTS ...

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Page 53: ...Schematic Diagrams Samsung Electronics 6 11 This Document can not be used without Samsung s authorization 6 9 DVD Audio_Dac ...

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Page 55: ...on Date After 1st July Interchangeability Code I C Location OLD before Parts NEW changed Parts No SEC Code Description SEC Code Description I C 801 A Type A type B type C type D type E type F type Interchange OLD Early OLD Early OLD Early OLD Early Parts Addition Parts deletion Type Code Parts Prod Parts Prod Parts Prod Parts Prod None New Old Del I C NEW Late NEW Late NEW Late NEW Late Applicatio...

Page 56: ...DVD V4300 XAP DVD V4600 XAX DVD V4300 XAX DVD V4600A XAA DVD V4300 XAX DVD V4600A XAA DVD V4500 XAA DVD V4650 RCL DVD V4500 XAA DVD V4650 RCL DVD V4500 XAC DVD V4650 XAX DVD V4500 XAC DVD V4650 XAX DVD V4600 GEN DVD V4700 XAA DVD V4600 GEN DVD V4700 XAA DVD V4600 RCL DVD V4700 XAC DVD V4600 RCL DVD V4700 XAC DVD V4600 STR DVD V9090 AFS DVD V4600 STR DVD V9090 AFS Picture of each PCB APPLICABLE MOD...