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Samsung SVR-527 Service Manual

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ELECTRONICS
© Samsung Electronics Co., Ltd. APR. 1999
Printed in Korea
AC68-00292A
VIDEO CASSETTE RECORDER
SVR-527
SERVICE
For mechanical disassembly and adjustment, refer to the "Mechanical Manual" (DX-9R
VIDEO CASSETTE RECORDER
POWER
EJECT
STOP
REC
Manual
AC68-00001A).
CONTENTS
1. Precautions
2. Alignment and Adjustment
3. Exploded View and Parts List
4. Electrical Parts List
5. Schematic Diagrams

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Summary of Contents for Samsung SVR-527

  • Page 1 For mechanical disassembly and adjustment, refer to the “Mechanical Manual” (DX-9R AC68-00001A). VIDEO CASSETTE RECORDER CONTENTS 1. Precautions ELECTRONICS 2. Alignment and Adjustment 3. Exploded View and Parts List 4. Electrical Parts List 5. Schematic Diagrams POWER EJECT STOP © Samsung Electronics Co., Ltd. APR. 1999 Printed in Korea AC68-00292A...

  • Page 2: Important Service Guide

    IMPORTANT SERVICE GUIDE 3 MODE SWITCH (PROGRAM SWITCH) ASSEMBLY POINT 1) When installing the ass’y full deck on the Main PCB, be sure to align the assembly point of mode switch. ASSEMBLY POINT Fig. 1 3 HOW TO EJECT THE CASSETTE TAPE (If the unit does not operate on condition that tape is inserted into housing ass’y) 1) Remove the Holder Worm Œ...

  • Page 3: Precautions

    Fig. 1-1 AC Leakage Test 10. Never defeat any of the B+ voltage interlocks. Do not apply AC power to the unit (or any of its assemblies) unless all solid-state heat sinks are correctly installed. Samsung Electronics...
  • Page 4 Use replacement components that have the same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the same safety characteristics as the original might create shock, fire or other hazards. Samsung Electronics...

  • Page 5: Alignment And Adjustment

    3) When replacing the cylinder ass’y, be sure to adjust the “X-Point” and “Head switching adjustment”. 4) Among Samsung VCR remote control used for adjustment as a accessory, only the remote control that has figures buttons (0 ~ 9) is available for all adjustment regardless of chassis.
  • Page 6 Alignment and Adjustment 2-1-2 SW720 (TEST) location for adjustment mode setting PRESS Fig. 2-2 Main PCB (Top View) Samsung Electronics...

  • Page 7: Mechanical Adjustment

    2) Press the ÒSW720 (TEST)Ó button on Main PCB to set the adjustment mode. (See Fig. 2-2) 3) Press the ÒSPEEDÓ button of remote control then adjustment is operated automatically. (See Fig. 2-1) 4) Turn the Power off. Samsung Electronics...
  • Page 8 Alignment and Adjustment MEMO Samsung Electronics...

  • Page 9: Exploded View And Parts List

    3-2 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-3 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Samsung Electronics...

  • Page 10: Cabinet Assembly

    Exploded View and Parts List 3-1 Cabinet Assembly Samsung Electronics...
  • Page 11 Exploded View and Parts List Loc. No Parts No. Description ; Specification Remark AC97-00033A ASSY-PANEL FRONT;SVR-527,HIPS 94HB,BLK AC64-50995G DOOR-CASSETTE;-,ABS,-,T2.5,189*28,GRAY,- AC61-62032A SPRING-MASK;X-9,-,SUS,-,4.4,-,SV-C130 AC64-30892A CABINET-TOP;X-9,SECC,PCM,0.5,360*208*41, AC63-30519A COVER-BOTTOM;SV-C833,SPTE,-,T0.3,-,-,-,X AC60-12126A SCREW-BH;-,BH,-,4*12,FE,FZY,-,-,- AC60-12134A SCREW-TAP BH;-,BH,-,2-4X16,-,FE AC60-10063A SCREW-TAPTITE;BH,+,-,M3,L12,ZPC3,SWRCH18 AC39-10019A POWER CORD;KKP-419C,H03VVH2-F,VDE/KEMA-K CN3A1S 3809-001110 CABLE-FLAT;30V,80C,150mm,7P,1.25mm,UL289 CN602S 3809-001112 CABLE-FLAT;30V,80C,130mm,5P,1.25mm,UL289...

  • Page 12: Mechanical Parts (Top Side)

    Exploded View and Parts List 3-2 Mechanical Parts (Top Side) Samsung Electronics...
  • Page 13 LEVER-TENSION ASSY;-,X-9(TS),-,-,-,X-9 K248 AC61-60554A SPRING-TENSION LEVER;-,ES,SUS304-WPB,OD3 K250 AC63-12029A BAND-BRAKE ASSY;-,X-9(TS),-,-,-,X-9 K330 AC66-30550A LEVER-S.BRAKE ASSY;-,POM+SUS,-,-,-,X-9 K340 AC66-30549A LEVER-T.BRAKE ASSY;-,POM+SUS,-,-,-,X-9 K350 AC61-60564A SPRING-BRAKE;-,TENSION,SWP-A,0.25,3,-,X- K490 AC61-21010B HOLDER-CASS ASSY;-,SECC+POM+SUS,-,-,-,X- K502 AC61-60561A SPRING-FL.LEVER-LR;-,ES,SUS304 WPB,PI2.7 K530 AC66-30546A LEVER-FL.ARM ASS’Y;-,SECC+POM+SUS,-,-,-, K546 AC61-50658A GUIDE-CASS. DOOR;-,POM M90-44,-,-,NTR,-, Samsung Electronics...

  • Page 14: Mechanical Parts (Bottom Side)

    Exploded View and Parts List 3-3 Mechanical Parts (Bottom Side) Samsung Electronics...
  • Page 15 B488 AC66-30543A LEVER-S LOAD ASSY;-,-,-,-,-,X-9 B500 AC66-30542A LEVER-T LOAD ASSY;-,-,-,-,-,X-9 B560 AC31-12017A MOTOR-CAPSTAN;DMVCMC07C,-,X-9 B570 AC60-10514A SCREW-CAPSTAN;-,PH,+,M2.6,L6,- G542 AC66-60051A BELT-PULLEY;-,5CM-70,2 * 2,-,71.3,-,X-9 K200 AC61-21012A HOLDER-CLUTCH ASSY;-,-,-,-,-,X-9 K221 AC66-20581A GEAR-CENTER ASSY;-,POM,M=O.5,-,HIGHT T., K222 AC60-30306A WASHER-SLIT;-,-,ID2.1,OD5.0,T0.5,-,POLYS K225 AC66-30547A LEVER-UP DOWN ASSY;-,POM+SUS,-,-,-,X-9 Samsung Electronics...
  • Page 16 Exploded View and Parts List MEMO Samsung Electronics...

  • Page 17: Electrical Parts List

    4. Electrical Parts List Loc.No Part No Description ; Specification Remark Loc.No Part No Description ; Specification Remark ASSY-PCB-MAIN;SVR-527/XEV,2HD HIFI VCP S.N.A. VA1SS1 1405-001026 VARISTOR;470V,600A,9x7mm,TP ZD1SR1 0403-000571 DIODE-ZENER;UZP43B,43V,40-46V,1W,DO-41,T S.M.P.S. PARTS BD1SD1 AC27-92001M INDUCTOR;70UH-M RT BFS3565R2F,-,-,-,- POWER DRIVE PARTS BD1SR1 3301-000297 CORE-FERRITE BEAD;AA,3.6x1.2x5.7mm,1400,...
  • Page 18 L607 2701-000131 INDUCTOR-AXIAL;15uH,5%,2.4x3.4mm R678 2001-000522 R-CARBON;22KOHM,5%,1/8W,AA,TP,1.8X3.2MM L608 AC27-92001B COIL-PEAKING AXIAL;BAL04ST101K,-,-,-,- R679 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM LD601 0601-000517 LED-IR;RECTANGULA,4x6.0mm,75mW,6V,950 R680 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM PT601 0604-001122 PHOTO-INTERRUPTER;TR,0.065%,150mW,DIP-4, R682 2001-000522 R-CARBON;22KOHM,5%,1/8W,AA,TP,1.8X3.2MM PT602 0604-001122 PHOTO-INTERRUPTER;TR,0.065%,150mW,DIP-4, R686 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM Q601 0501-000303 TR-SMALL SIGNAL;KSA733,PNP,250mW,TO-92,T R687 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM Samsung Electronics...
  • Page 19 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM C339 2202-002055 C-CERAMIC,MLC-AXIAL;47nF,+80-20%,50V,Y5V R309 2001-000723 R-CARBON;4.3KOHM,5%,1/8W,AA,TP,1.8X3.2MM C340 2202-000807 C-CERAMIC,MLC-AXIAL;22nF,+80-20%,25V,Y5V R311 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM C341 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 R312 2001-000221 R-CARBON;1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM C342 2202-002037 C-CERAMIC,MLC-AXIAL;100nF,80-20%,50V,Y5V R313 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM C343 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, R314 2001-000924 R-CARBON;680OHM,5%,1/8W,AA,TP,1.8X3.2MM C345 2202-000787 C-CERAMIC,MLC-AXIAL;10PF,5%,50V,Y5P,TP,3 R315 2001-000472 R-CARBON;2.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM Samsung Electronics...
  • Page 20 2202-000121 C-CERAMIC,MLC-AXIAL;100pF,10%,50V,Y5P,TP R523 2001-000508 R-CARBON;220KOHM,5%,1/8W,AA,TP,1.8X3.2MM C414 2202-000121 C-CERAMIC,MLC-AXIAL;100pF,10%,50V,Y5P,TP R524 2001-000472 R-CARBON;2.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM C415 2202-000121 C-CERAMIC,MLC-AXIAL;100pF,10%,50V,Y5P,TP R525 2001-000577 R-CARBON;2KOHM,5%,1/8W,AA,TP,1.8X3.2MM D401 0402-000127 DIODE-RECTIFIER;1N4002,100V,1A,DO-41,TP R530 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM D402 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, R531 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM D403 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, IC5103 AC14-12002V IC;KA78L09,-,- JC801 AC37-20001G JACK-RCA;DPAE-,6P,HIFI,PI3.3 Samsung Electronics...
  • Page 21 R709 2001-000362 R-CARBON;150OHM,5%,1/8W,AA,TP,1.8X3.2MM R710 2001-000924 R-CARBON;680OHM,5%,1/8W,AA,TP,1.8X3.2MM R711 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R712 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R721 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R722 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R723 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R724 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R725 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R726 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R727 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM RM701 AC59-60060A MODULE-REMOCON;GP1U281R,SHARP,38KHZ,-,-, AC59-10420A REMOCON-ASSY;-,PR-4914,-,14,SV-C11G,S/S Samsung Electronics...
  • Page 22 Electrical Parts List MEMO Samsung Electronics...

  • Page 23: Schematic Diagrams

    5-7 Remote-Control - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Samsung Electronics...

  • Page 24: Block Identification Of Main Pcb

    Important safety notices : Components identified with the mark have the special characteristics for safety. When replacing any of these components. Use only the same type. 3 Block Identification of Main PCB Samsung Electronics...
  • Page 25 Schematic Diagrams 5-1 S.M.P.S. Samsung Electronics...
  • Page 26 Schematic Diagrams 5-2 Power Drive Samsung Electronics...
  • Page 27 Schematic Diagrams 5-3 System Control/Servo/LED OPTION Samsung Electronics...
  • Page 28 Schematic Diagrams 5-4 Audio/Video Samsung Electronics...
  • Page 29 Schematic Diagrams 5-5 Hi-Fi OPTION Samsung Electronics...
  • Page 30 Schematic Diagrams 5-6 Input-Output Samsung Electronics...
  • Page 31 Schematic Diagrams 5-7 Remote-Control Samsung Electronics...
  • Page 32 Schematic Diagrams MEMO 5-10 Samsung Electronics...
  • Page 33 DX-9R Manual MECHANICAL 3 File with the SERVICE MANUAL. VHS DECK CONTENTS 1. Disassembly and Reassembly ELECTRONICS 2. Alignment and Adjustment © Samsung Electronics Co., Ltd. NOV. 1998 Printed in Korea AC68-00001A...

  • Page 34: Disassembly And Reassembly

    ¨ Ø ∏ Fig. 1-1 Top parts Location-1 Œ BRACKET FL TOP ´ GEAR FL CAM ˇ MOTOR LOADING ASS’Y ¨ LEVER FL ARM ASS’Y ˆ HOLDER FL CASSETTE ASS’Y Ø LEVER FL DOOR ∏ SLIDER FL DRIVE Samsung Electronics...
  • Page 35 Ò GEAR IDLE ¨ PLATE CYLINDER B Ú LEVER IDLE ˆ PLATE CYLINDER A Æ LEVER T BRAKE ASS’Y Ø ACE HEAD ASS’Y ı DISK T REEL ∏ UNIT PINCH ASS’Y ” LEVER #9 GUIDE ASS’Y ’ LEVER TENSION ASS’Y Samsung Electronics...

  • Page 36: Bottom View

    ´ GEAR JOINT 2 ˇ BRAKET GEAR ¨ MOTOR CAPSTAN ASS’Y ˆ LEVER T LOAD ASS’Y Ø GEAR LOADING DRIVE ∏ LEVER S LOAD ASS’Y ” HOLDER CLUTCH ASS’Y ’ BELT PULLEY ˝ SLIDER CAM Ô SLEEVE TENSION Samsung Electronics...

  • Page 37: Lever Fl Door Removal

    Note : Take care not to change assembly direction. in the direction of arrow ÒBÓ. Œ 2 SCREWS Œ LEVER FL DOOR ´ BRACKET FL TOP "A" "B" ´ HOOK Fig. 1-5 Lever FL Door Removal Fig. 1-4 Bracket FL Top Removal Samsung Electronics...

  • Page 38: Holder Fl Cassette Ass'y Removal

    ´ BOSS ˇ SLIDER FL DRIVE "B" BOSS [B] Fig. 1-7 Lever FL Arm Ass’y Removal RAIL [C] Œ HOLDER FL RAIL [D] CASSETTE ASS'Y ´ LEVER FL CASSETTE-R "A" BOSS [A] Fig. 1-6 Holder FL Cassette Ass’y Removal Samsung Electronics...
  • Page 39 GEAR FL CAM Œ SCREW ´ BRACKET GEAR ˆ GEAR JOINT 1 ¨ GEAR JOINT 2 Œ SLIDER FL DRIVE Fig. 1-9 Bracket Gear, Gear FL Cam, Gear Joint 1, 2 Fig. 1-8 Slider FL Drive Removal Removal Samsung Electronics...
  • Page 40 TIMING POINT 2 ˇ GEAR WORM WHEEL ¨ GEAR FL CAM Fig. 1-11 Holder Worm, Gear Worm, Gear Worm Wheel Removal POST GEAR WORM WHEEL TIMING POINT 3 Fig. 1-10 Assembly of Gear FL Cam, Gear Joint 1,2 Samsung Electronics...

  • Page 41: Motor Loading Ass'y Removal

    Œ GEAR LOADING DRIVE HOOK [A] ´ SLIDER CAM ˇ LEVER T LOAD ASS'Y ¨ LEVER S LOAD ASS'Y Œ SCREW Fig. 1-12 Motor Loading Ass’y Removal Fig. 1-13 Gear Loading Drive, Slider Cam, Lever T, S Load Ass’y Removal Samsung Electronics...
  • Page 42 PIN A PIN C PIN D PIN B ˇ SLIDER CAM Fig. 1-14 Assembly of Gear Loading Drive, ´ SLEEVE TENSION Slider Cam, Lever T, S Load Ass’y Fig. 1-15 Lever Tension Ass’y, Band Brake Ass’y, Sleeve Tension Removal Samsung Electronics...
  • Page 43 ˇ SPRING BRAKE ´ GEAR IDLE "B" HOOK [C] ´ GEAR IDLE ´ LEVER T BRAKE ASS'Y Œ LEVER S BRAKE ASS'Y HOOK [B] Fig. 1-17 Lever Idle Ass’y Removal Fig. 1-16 Lever S, T Brake Ass’y Removal 1-10 Samsung Electronics...

  • Page 44: Disk S, T Reel Removal

    1) Remove the Washer Slit Œ. 2) Lift the Holder Clutch AssÕy ´. Œ DISK S REEL Œ WASHER SLIT ´ DISK T REEL ´ HOLDER CLUTCH ASS'Y Fig. 1-18 Disk S, T Reel Removal Fig. 1-19 Holder Clutch Ass’y Removal Samsung Electronics 1-11...
  • Page 45 Œ LEVER UP DOWN ASS'Y ¨ RING ˇ GEAR ∏ HOOK 35˚ Ø POST MAIN BASE Fig. 1-21 Assembly of Lever Up Down Ass’y, Gear Center Ass’y Fig. 1-20 Lever Up Down Ass’y, Gear Center Ass’y Removal 1-12 Samsung Electronics...

  • Page 46: Guide Cassette Door Removal

    2) When reinstalling, be sure to apply grease on the post pinch roller. HOOK [A] ´ PLATE JOINT Œ UNIT PINCH ASS'Y ˇ SPRING PINCH DRIVE Fig. 1-22 Guide Cassette Door Removal Fig. 1-23 Unit Pinch Ass’y, Plate Joint, Spring Pinch Drive Removal Samsung Electronics 1-13...

  • Page 47: Fe Head Removal

    2) After reinstalling, check the bottom side of the Post #9 Guide to stick to the top side of Main Base. ´ LEVER #9 GUIDE ASS'Y Œ SPRING #9 GUIDE Fig. 1-25 FE Head Removal Fig. 1-24 Lever #9 Guide Ass’y Removal 1-14 Samsung Electronics...

  • Page 48: Ace Head Removal

    2) Remove the screw Œ. 3) Lift the ACE Head AssÕy ´. Œ SLIDER S ASS'Y Œ SCREW ´ SLIDER T ASS'Y ´ ACE HEAD ASS'Y Fig. 1-27 Slider S, T Ass’y Removal Fig. 1-26 ACE Head Removal Samsung Electronics 1-15...

  • Page 49: Belt Pulley Removal

    1-2-27 Lever Head Cleaner Ass’y Removal (Optional) 1) Release the Hook Œ. 2) Lift the Lever Head Cleaner AssÕy ´. ´ LEVER HEAD CLEANER ASS'Y Œ HOOK Fig. 1-28 Cylinder Ass’y Removal Fig. 1-30 Lever Head Cleaner Ass’y Removal 1-16 Samsung Electronics...

  • Page 50: Motor Capstan Ass'y Removal

    4) Rotate Gear Worm Wheel ˇ counterclockwise using screw driver again up to the state of eject mode and then pick out the tape. (Refer to Fig. 1-32) ´ MOTOR CAPSTAN ASS'Y Fig. 1-31 Motor Capstan Ass’y Removal FRAME Fig. 1-33 Samsung Electronics 1-17...
  • Page 51 CAPSTAN MOTOR PULLEY BELT PULLEY ∆ HOLDER CLUTCH ASS’Y GEAR CENTER ASS’Y GEAR IDLE (2Point) LOADING MOTOR BAND BRAKE ASS’Y BRAKE T ASS’Y Æ : Cleaning O : Check and replacement in necessary 3 : Add Oil 1-18 Samsung Electronics...

  • Page 52: Tape Transport System And Adjustment Locations

    Fig. 2-1 Location of Tape Transport Adjustment FE HEAD CYLINDER ASS'Y PINCH ROLLER GUIDE ROLLER "S" GUIDE ROLLER "T" POST TENSION #8 GUIDE POST #9 GUIDE POST MAIN BASE ACE HEAD CAPSTAN SHAFT #3 GUIDE POST Fig. 2-2 Tape Travel Diagram Samsung Electronics...

  • Page 53: Tape Transport System Adjustment

    1) See page 5-1 of the Service Manual for ACE Head position (X-Point) adjustment. Fig. 2-3 Location of ACE Head Adjustment Screw AUDIO HEAD VIDEO HEAD 0 ~ 0 .25 mm CONTROL HEAD Fig. 2-4 ACE Head Height Adjustment Samsung Electronics...
  • Page 54 ) driver to obtain a flat video RF envelope as shown in Fig. 2-8. IDEAL ENVELOPE S HEIGHT S HEIGHT T HEIGHT T HEIGHT TOO HIGH TOO LOW TOO HIGH TOO LOW GUIDE ROLLER T GUIDE ROLLER S Fig. 2-8 Guide Roller S, T Height Adjustment Samsung Electronics...

  • Page 55: Reel Torque

    145 ± 30 Cassette Torquemeter 4) Transportation of accurate driving force is done by gears. (Gear Center AssÕy) Note : If the spec. does not meet the followings speci- fications, replace the holder clutch assÕy and then recheck. Samsung Electronics...
  • Page 56 Fig. 2-13 Tension Pole and Back Tension Adjustment Note : 1) Mark on Main Base is located in about 1.3mm from inside of bending line. 2) Be careful not to deform the region of adjusting on Main Base up and down at adjusting. Samsung Electronics...
  • Page 57 Alignment and Adjustment MEMO Samsung Electronics...

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