Samsung SV-DVD340/DVD540ASV-DVD545, Service Manual

Page 1: ...SV DVD340 DVD540A DVD545 DVD640 DVD V340 V540 AUX SV DVD545 SV DVD340 DVD540A DVD640 V340 V540 ELECTRONICS Samsung Electronics Co Ltd MAR 2004 Printed in Korea AK82 00517A If you want to know additional information which is not included on this Service Manual please refer to the SV DVD440 Training Manual AK82 00513A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized u...

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: ...s y be sure to adjust the X Point and Head switching adjustment 4 How to adjust Press the TEST botton on VCR MAIN PCB to set 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 button of remote control Fig 2 1 X Point Tracking Center Adjustment H...

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 TEST BUTTON ...

Page 11: ...rol 4 After selecting the option number is completed 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 opti...

Page 12: ... 65 69 72 SV DVD545 XEN XEC 2 4 5 6 7 8 9 10 11 12 13 16 32 34 36 38 40 42 47 48 49 61 63 65 69 72 SV DVD640 XEN XEC 2 4 5 6 7 8 9 10 11 12 13 15 16 17 32 34 36 38 40 42 44 47 48 61 63 65 69 72 SV DVD340 XEE 5 9 10 12 13 15 34 36 38 40 42 47 48 49 51 61 63 65 69 SV DVD540A XEE 2 4 5 6 7 8 9 10 11 12 13 15 16 32 34 36 38 40 42 47 48 61 63 65 69 72 SV DVD545 XEE 2 4 5 6 7 8 9 10 11 12 13 16 32 34 36...

Page 13: ...Alignment and Adjustments 2 5 Samsung Electronics 2 2 DVD Adjustment 2 2 1 Location of Test Point Fig 2 5 Location of test Point Main PCB Top Side Pin 29 of RIC1 ...

Page 14: ...nd Test Point 2 2 2 Skew Adjustment Test Disc Adjustment Spec Test Point Adjustment Location TDV 533 Pin 29 of RIC1 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 15: ...et the 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 ...

Page 16: ...eference for the transport adjustment To maintain 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 SCRE...

Page 17: ...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 18: ...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 19: ...s 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 W325 Audio Output W324 Envelope W323 H D S W Trigger W322 Control Pulse Fig 2 13 Location of Test point VCR Main PCB Top View AUD...

Page 20: ... follows Note a Maximum output of the video RF envelope 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 specificati...

Page 21: ...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 22: ...E Fig 2 17 Video Envelope Rising when Operation mode 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 mod...

Page 23: ... 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 24: ...2 16 Alignment and Adjustments Samsung Electronics MEMO ...

Page 25: ...Samsung Electronics 3 1 3 Exploded View and Parts 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 ...

Page 26: ...Exploded View and Parts List 3 2 Samsung Electronics 3 1 Cabinet Assembly W202 W252 A001 C015 W001 P002 P021 P020 C001 C003 C012 W202 C011 C002 P001 LD61A S602A P025 ...

Page 27: ... W430 1 SA LD61A AC61 00340A HOLDER LED X 11 POM K300 NTR 1 SA P001 AC92 01553D ASSY PCB MAIN SV DVD440 XEG KAISER 1 SA P002 AC92 01595A ASSY PCB DVD MAIN SV DVD640 KAISER2 1 SA P020 AK97 00813A ASSY CONNECTOR BOARD HIPS SV DVD540 1 SA P021 AK61 00308A CONNECTOR BOARD VCR SV DVD440 HIPS 1 SA P025 AC39 10019A CBF POWER CORD KKP 419C H03VVH2 F V 1 SA S602A AC61 00341A HOLDER TR X 11 POM K300 NTR 1 S...

Page 28: ...ist 3 4 Samsung Electronics 3 2 VCR Mechanical Parts Top Side T001 T015 W204 T010 T014 T003 W201 T004 T005 T014 W015 T011 T012 T022 T021 T019 T023 T024 T028 T026 T020 T027 T002 T029 T007 T006 T025 T032 T030 T013 T008 T009 T031 ...

Page 29: ... K300 1 SA T015 AC97 02293A ASSY UNIT PINCH SECC SUS304 TS 10 F 1 SA T016 AC97 02215A ASSY POST 8 GUIDE SUS303 POM M90 4 1 SC T019 AC66 10267A REEL DISK S X 9 POM 1 SA T020 AC66 10268A REEL DISK T X 9 POM 1 SA T021 AC66 30524A LEVER IDLER POM BLK 1 SA T022 AC66 00039A GEAR IDLE TS 10 PET K3372 0 5 N 2 SA T023 AC66 00035A LEVER TENSION ASS Y TS 10 SECC E20 1 SA T024 AC61 00107A SPRING ETC TENSION L...

Page 30: ...Exploded View and Parts List 3 6 Samsung Electronics 3 3 VCR Mechanical Parts Bottom Side T046 W018 T044 T041 T042 T051 T043 T034 T035 T037 T038 T049 T047 T050 T048 T040 W019 T036 ...

Page 31: ...AC66 00078A GEAR LOADING DRIVE X 11 POM K300 1 SA T042 AC97 02195A ASSY LEVER LOADING S SECC POM SUS X 1 SA T043 AC97 02196A ASSY LEVER LOADING T SECC POM SUS X 1 SA T044 AC81 00005A MOTOR CAPSTAN THRUST END PLAY 0 2 M 1 SA T046 AC66 60051A BELT PULLEY 5CM 70 2 2 71 3 1 SA T047 AC61 21012A HOLDER CLUTCH ASSY X 9 ABS BL 1 SA T048 AC66 20581A GEAR CENTER ASSY X 9 POM M O 5 1 SA T049 AC60 30306A FAST...

Page 32: ...loded View and Parts List 3 8 Samsung Electronics 3 4 DVD Mechanical Parts H212 H205 H210 H209 W011 H104 H109 H106 H105 H107 H207 H206 W012 W012 H211 H206 H203 H103 H108 H204 W011 W011 H241 H102 H202 W010 ...

Page 33: ... 1 SA H202 AK73 00005B RUBBER INSULATOR DP 15 BUTYL 12 H 3 SA H203 AH61 50327A SHAFT P U DP 3 SUS L84 7 OD3 2 SA H204 AK66 00043A GEAR FEED A DP 15 POM 1 SA H205 AK66 00044A GEAR FEED B DP 15 POM 1 SA H206 AK61 00032A HOLDER CAM SKEW DP 9 POM BLAC 3 SA H207 AK31 00014A MOTOR SPINDLE DP 15 3000RPM 1 SA H209 AK64 00491A CHASSIS SUB DP 15 POM 1 SA H210 AK31 00005A MOTOR FEED ASSY DP 9 1 SA H211 AK97 ...

Page 34: ...Exploded View and Parts List 3 10 Samsung Electronics MEMO ...

Page 35: ...000975 C CER CHIP 47nF 10 25V X7R TP 1608 1 SA C321 2203 002398 C CER CHIP 22nF 10 50V X7R 1608 1 SA C322 2401 000588 C AL 1uF 20 50V GP TP 3x5 2 5 1 SA C324 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 SA C325 2401 001502 C AL 47uF 20 16V GP TP 6 3x5 2 5 1 SA C326 2401 000588 C AL 1uF 20 50V GP TP 3x5 2 5 1 SA C327 2203 001211 C CER CHIP 8 2nF 10 50V X7R TP 160 1 SA C328 2203 000257 C CER CHI...

Page 36: ...00888 C CER CHIP 4 7nF 10 50V X7R TP 160 1 SA C518 2401 000909 C AL 22uF 20 16V GP TP 5x5 2 5 1 SA C519 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 SA C520 2401 001249 C AL 4 7uF 20 35V GP TP 4x5 2 5 1 SA C521 2401 000408 C AL 10uF 20 16V GP TP 3 5x5 2 5 1 SA C522 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA C523 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA C524 2401 001249 C AL...

Page 37: ...WITCHING 1N4148 75V 150mA DO 1 SA D1SF02 0402 001195 DIODE RECTIFIER F1T4 400V 1A DO 204 1 SA D1SS01 0402 001196 DIODE RECTIFIER 1T5 600V 1A TS 1 TP 1 SA D1SS02 0402 001196 DIODE RECTIFIER 1T5 600V 1A TS 1 TP 1 SA D1SS03 0402 001196 DIODE RECTIFIER 1T5 600V 1A TS 1 TP 1 SA D1SS04 0402 001196 DIODE RECTIFIER 1T5 600V 1A TS 1 TP 1 SA D1SS11 0402 000012 DIODE RECTIFIER UF4007 1KV 1A DO 41 1 SA D1SS12...

Page 38: ...ALL SIGNAL KSC2328A Y NPN 1000 1 SA Q1P108 0504 000142 TR DIGITAL KSR2001 PNP 300MW 4 7K 4 1 SA Q1P109 0501 000398 TR SMALL SIGNAL KSC945 NPN 250mW TO 1 SA Q1P110 0501 000362 TR SMALL SIGNAL KSC2328A Y NPN 1000 1 SA Q1P111 0501 000362 TR SMALL SIGNAL KSC2328A Y NPN 1000 1 SA Q351 0501 000002 TR SMALL SIGNAL KSA812 PNP 150MW SO 1 SA Q3A01 0501 000398 TR SMALL SIGNAL KSC945 NPN 250mW TO 1 SA Q3A02 0...

Page 39: ... CARBON 100OHM 5 1 8W AA TP 1 8X3 1 SA R4N04 2001 000563 R CARBON 27KOHM 5 1 8W AA TP 1 8X3 1 SA R4N05 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 SA R4N06 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 1 SA R501 2001 000766 R CARBON 43KOHM 5 1 8W AA TP 1 8X3 1 SA R502 2007 001056 R CHIP 6 2Kohm 5 1 10W TP 1608 1 SA R503 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 1 SA R505 2001 000766 R CARBON 43KO...

Page 40: ...007 000643 R CHIP 270ohm 5 1 10W TP 1608 1 SA R820 2007 000643 R CHIP 270ohm 5 1 10W TP 1608 1 SA R821 2007 000134 R CHIP 33Kohm 5 1 10W TP 1608 1 SA R822 2007 000094 R CHIP 22Kohm 5 1 10W TP 1608 1 SA R822B 2007 001167 R CHIP 75ohm 5 1 10W TP 1608 1 SA R825 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 SA R827 2007 000101 R CHIP 82Kohm 5 1 10W TP 1608 1 SA R828 2007 000101 R CHIP 82Kohm 5 1 10W TP...

Page 41: ...5 1 SA AE4 2401 003107 C AL 47uF 20 16V GP TP 5x7 5 1 SA AE5 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 1 SA AE8 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 1 SA AE9 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 1 SA AEE1 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 1 SA AEE2 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 1 SA AEE50 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 1 SA AEE51 2401 000922 C AL 22uF 20 16...

Page 42: ...R TP 160 1 SA CCC18 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CCC19 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CCC20 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CCC21 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CCC22 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CCC23 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA CN41 3710 002050 SOCKET BOARD TO BOARD...

Page 43: ...1 SA RC25 2203 000491 C CER CHIP 2 2nF 10 50V X7R TP 160 1 SA RC28 2203 001222 C CER CHIP 0 82NF 10 50V X7R TP 16 1 SA RC29 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 SA RC30 2203 000257 C CER CHIP 10nF 10 50V X7R TP 1608 1 SA RC31 2203 005148 C CER CHIP 100nF 10 16V X7R TP 160 1 SA RC32 2203 001034 C CER CHIP 5 6nF 10 50V X7R 1608 1 SA RC33 2203 001034 C CER CHIP 5 6nF 10 50V X7R 1608 1 SA ...

Page 44: ... SMD 220ohm 1608 500mA TP 133oh 1 SA VL4 3301 001419 BEAD SMD 220ohm 1608 500mA TP 133oh 1 SA VL5 3301 001419 BEAD SMD 220ohm 1608 500mA TP 133oh 1 SA VL6 2703 000398 INDUCTOR SMD 10uH 10 3225 1 SA VR10 2007 001164 R CHIP 75ohm 1 1 10W TP 1608 1 SA VR11 2007 001164 R CHIP 75ohm 1 1 10W TP 1608 1 SA VR17 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 1 SA VR19 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608...

Page 45: ...9 00104A BAND BRAKE ASS Y TS 10 1 SA T026 AC66 30550A LEVER S BRAKE ASSY POM SUS 1 SA T027 AC66 30549A LEVER T BRAKE ASSY POM SUS 1 SA T028 AC61 00106A SPRING ETC BRAKE TS 10 SUS304 WPB 1 SA T029 AC66 00020A SLIDER FL DRIVE TS 10 SECC T1 0 1 SA T030 AC97 02323A ASSY HOLDER FL CASSETTE SECC POM X 1 SA T031 AC61 60561A SPRING ETC FL LEVER LR X 9 SUS304 W 1 SA T032 AC97 02324A ASSY LEVER FL ARM SECC ...

Page 46: ...4 12 Samsung Electronics Electrical Parts List This Document can not be used without Samsung s authorization MEMO ...

Page 47: ...ibratto II A V Decoder AIC2 PCM1742KE 2CH Audio DAC IC701 PT6961 LED Drive DT701 VIC1 LA73054 Video Amp 6CH S W AUDIO L R AUDIO L R DIC2 MBM29LV800BA IMB Flash Memory DIC4 TC74VHCT125 Level Shifter IC802 BU4053 Output Signal Switch IC501 LA72646 Hi FI Audio Processor IC301 LA71750EM Video Signal Processor IC601 uPD790006GF VCR Main Micom AUDIO L A V Common VIDEO AUDIO R Front A V Jack Optical DIC5...

Page 48: ...Block Diagram 5 2 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...

Page 49: ...less 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 sin...

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