Samsung SV-7000W Service Manual
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Samsung SV-7000W Service Manual

Video cassette recorder
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ELECTRONICS
© Samsung Electronics Co., Ltd. SEP. 1999
Printed in Korea
AC68-00434A
VIDEO CASSETTE RECORDER
SV-7000W
SV-5000W
SERVICE
For mechanical disassembly and adjustment, refer to the "Mechanical Manual" (DX-9R
VIDEO CASSETTE RECORDER
SV-7000W
SV-5000W
Manual
AC68-00001A).
CONTENTS

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Summary of Contents for Samsung SV-7000W

  • Page 1: Table Of Contents

    5. Troubleshooting SV-7000W 6. Alignment and Adjustment 7. Exploded View and Parts List 8. Electrical Parts List 9. Block Diagram 10. PCB Diagrams SV-5000W 11. Wiring Diagram © Samsung Electronics Co., Ltd. SEP. 1999 12. Schematic Diagrams Printed in Korea AC68-00434A...

  • Page 2: 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 3 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 4: Reference Information

    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. 2-2) ˇ GEAR WORM WHEEL SCREW DRIVER FRAME ´ GEAR WORM Œ HOLDER WORM Fig. 2-2 Fig. 2-3 Samsung Electronics...
  • Page 5 Reference Information 2-2 Servicing Jigs and Special Tools (Only for SV-7000W ) 2-2-1 Servicing Jig Jig Item Part No. E/Cable 68140-500-104 Use for Timer PCB (CN703, CN704) Joint PCB (CN8J01, CN8J02) This is the same as the E/CABLE-2 used for Model SV-4000W.

  • Page 6: Product Specifications

    41°F-104°F (5°C-40°C) Installation conditions Operation position : Horizontal, Relative humidity : Below 80% Outside dimensions SV-7000W : Width 465mm X Length 310mm X Height 98mm SV-5000W : Width 430mm X Length 295mm X Height 98mm Weight SV-7000W : 4.8Kg SV-5000W : 4.3Kg...
  • Page 7 Product Specifications MEMO Samsung Electronics...

  • Page 8: Disassembly And Reassembly

    "B" Œ REMOVE 1 SCREW. (BH;5-4X16-BLOCK) ∏ REMOVE THE PANEL-SIDE(R) IN THE DIRECTION OF ARROW "B". ˆ REMOVE 1 SCREW. (BH;5-4X16-BLOCK) <SV-7000W> ´ LIFT UP THE CABINET-TOP IN THE DIRECTION OF ARROW . Œ REMOVE 5 SCREWS. (BH;5-4X16-BLOCK) <SV-5000W> Fig. 4-1 Cabinet Top removal...
  • Page 9 (BH;2-3X10-YELLOW) ˇ RELEASE 3 TABS. ˆ LIFT UP THE BOTTOM-COVER IN THE DIRECTION OF ARROW "B". "A" "B" "A" ¨ RELEASE 3 TABS. ´ REMOVE THE DECORATION-LEG IN THE DIRECTION OF ARROW "A". Fig. 4-2 Bottom Cover removal Samsung Electronics...
  • Page 10 Disassembly and Reassembly 4-1-3 Ass’y Front Panel removal Œ RELEASE 4 HOOKS. (Top view) ´ RELEASE 3 HOOKS. (Bottom view) Fig. 4-3 Ass’y Front Panel removal Samsung Electronics...
  • Page 11 ´ REMOVE THE ASS'Y FUNCTION IN THE DIRECTION OF ARROW "A". Fig. 4-4 Ass’y Timer removal 4-1-5 Ass’y Digital removal Œ REMOVE HOLDER PCB. ´ LIFT UP THE ASS'Y DIGITAL IN THE DIRECTION OF ARROW. Fig. 4-5 Ass’y Digital removal Samsung Electronics...
  • Page 12 ˇ REMOVE 3 SCREWS. Œ REMOVE 2 SCREWS. ¨ LIFT THE ASS'Y FULL DECK UP. ´ REMOVE BRACKET-FRAME. ˆ REMOVE 1 SCREW. ∏ LIFT THE ASS'Y MAIN PCB UP TO REMOVE. Ø RELEASE 2 TABS. Fig. 4-6 Chassis Unit removal Samsung Electronics...
  • Page 13 Disassembly and Reassembly 4-2 Circuit Board Locations Fig. 4-7 Circuit Board Locations Samsung Electronics...

  • Page 14: Troubleshooting

    5. Troubleshooting Samsung Electronics...
  • Page 15 Alignment and Adjustment Samsung Electronics...
  • Page 16 Alignment and Adjustment Samsung Electronics...
  • Page 17 Alignment and Adjustment Samsung Electronics...
  • Page 18 Alignment and Adjustment Samsung Electronics...
  • Page 19 Alignment and Adjustment Samsung Electronics...
  • Page 20 Alignment and Adjustment Samsung Electronics...
  • Page 21 Alignment and Adjustment Samsung Electronics...
  • Page 22 Alignment and Adjustment Samsung Electronics...
  • Page 23 Alignment and Adjustment 5-10 Samsung Electronics...
  • Page 24 Alignment and Adjustment Samsung Electronics 5-11...
  • Page 25 Alignment and Adjustment 5-12 Samsung Electronics...
  • Page 26 Alignment and Adjustment Samsung Electronics 5-13...
  • Page 27 Alignment and Adjustment 5-14 Samsung Electronics...

  • Page 28: 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 29 Alignment and Adjustment 6-1-2 Test point location for adjustment mode setting SV-7000W (TIMER PCB ; Top View) SV-5000W (F/TIMER PCB ; Top View) Fig. 6-2 Samsung Electronics...

  • Page 30: Mechanical Adjustment

    1) Playback the alignment tape (Color bar). maximum. 2) Press the ÒTESTÓ (SV-7000W ; SW711, SV-5000W ; 6) Turn the Power off. SW718) button on Timer PCB to set the adjustment mode.

  • Page 31: Head Switching Point Adjustment

    6-3 Head Switching Point Adjustment 1) Playback the alignment tape. 2) Press the ÒTESTÓ (SV-7000W ; SW711, SV-5000W ; SW718) button on Timer PCB to set the adjustment mode. (See Fig. 6-2) 3) Press the ÒREC.SPEEDÓ button of remote control then adjustment is operated automatically. (See Fig. 6-1) 4) Turn the Power off.

  • Page 32: Nvram Option Setting

    2) In case Micom (IC601) and NVRAM (IC605 ; EEPROM) is replaced, be sure to set the corresponding option number of the repaired model. (If the option is not set, the unit is not operated.) 1) Press the ÒTESTÓ (SV-7000W ; SW711, SV-5000W ; SW718) button on Timer PCB to set the adjustment mode. (See Fig. 6-2) 2) Press the ÒMENUÓ...
  • Page 33 7-2 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-3 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Samsung Electronics...
  • Page 34 Exploded View and Parts List 7-1 Cabinet Assembly Samsung Electronics...
  • Page 35 Refer to table below ASSY-PANEL FRONT Refer to table below DOOR-CASSETTE AC61-62003A SPRING;-,SUS304,(GE/RCA),-,-,-,- AC64-00094A DECORATION-RING;-,ABS94HB,-,-,BLK,-,SV-3 Refer to table below CABINET-TOP-ASSY AC97-00484A ASSY-PANEL SIDE L SV-7000W ONLY AC97-00485A ASSY-PANEL SIDE R SV-7000W ONLY Refer to table below LEG-DECORATION AC61-20237A HOLDER;ABS94HB,T2,BLK,23.1*18.5,-,- AC61-00029A CONNECTOR-BOARD;-,HIPS94HB,-,T2,59,-,BLK AC61-00028A CONNECTOR-BOARD;-,HIPS94HB,-,T2,128.5,-, AC64-11009A KNOB-SLIDE;-,ABS,HB,BLK,-,SV-300W...
  • Page 36 Exploded View and Parts List 7-2 Mechanical Parts (Top Side) Samsung Electronics...

  • Page 37: Exploded View And Parts List

    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,-,-,SEIN 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 38 Exploded View and Parts List 7-3 Mechanical Parts (Bottom Side) Samsung Electronics...
  • Page 39 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 40 Exploded View and Parts List MEMO Samsung Electronics...

  • Page 41: Electrical Parts List

    2001-000362 R-CARBON;150OHM,5%,1/8W,AA,TP,1.8X3.2MM 2001-001086 R-CARBON(S);18KOHM,5%,1/2W,AA,TP,2.4X6.4 R1P127 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M 2001-001086 R-CARBON(S);18KOHM,5%,1/2W,AA,TP,2.4X6.4 R1P128 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM 2001-000073 R-CARBON;33KOHM,5%,1/4W,AA,TP,2.4X6.4MM R1P129 2001-000362 R-CARBON;150OHM,5%,1/8W,AA,TP,1.8X3.2MM 2001-000096 R-CARBON(S);1MOHM,5%,1/2W,AA,TP,2.4X6.4M ZD1P01 0403-001211 DIODE-ZENER;MTZJ12B,11.44-12.03V,500MW,D 2001-000591 R-CARBON;3.3KOHM,5%,1/8W,AA,TP,1.8X3.2M ZD1P02 0403-000717 DIODE-ZENER;MTZJ5.1B,5.1V,4.94-5.2V,500m 2001-000527 R-CARBON;22OHM,5%,1/8W,AA,TP,1.8X3.2MM ZD1P03 0403-000720 DIODE-ZENER;MTZJ9.1B,9.1V,8.57-9.01V,500 2003-002092 R-METAL OXIDE;33Kohm,5%,3W,AE,BK,25x8mm ZD1P06 0403-001211 DIODE-ZENER;MTZJ12B,11.44-12.03V,500MW,D Samsung Electronics...
  • Page 42 C-AL;22uF,20%,16V,GP,-,6.3x7,5 Q602 0501-000398 TR-SMALL SIGNAL;KSC945,NPN,250mW,TO-92,T C312 2203-000239 C-CERAMIC,CHIP;0.1nF,5%,50V,NPO,TP,2012 R602 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM C313 2202-000173 C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P,TP,1 R603 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM C314 2401-001775 C-AL;470nF,20%,50V,GP,TP,4x7,5 R608 2007-001039 R-CHIP;56KOHM,5%,1/10W,DA,TP,2012 C315 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 R609 2001-000864 R-CARBON;56KOHM,5%,1/8W,AA,TP,1.8X3.2MM C316 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,201 R610 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM C318 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,201 Samsung Electronics...
  • Page 43 2007-000859 R-CHIP;4.3KOHM,5%,1/10W,DA,TP,2012 C3A30 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 R311 2007-000468 R-CHIP;1KOHM,5%,1/10W,DA,TP,2012 C3A40 2201-000642 C-CERAMIC,DISC;680pF,10%,50V,Y5P,TP,5x3, R312 2007-000241 R-CHIP;1.5KOHM,5%,1/10W,DA,TP,2012 C3A50 2203-001388 C-CERAMIC,CHIP;10nF,5%,50V,X7R,TP,2012,2 R313 2007-000572 R-CHIP;220OHM,5%,1/10W,DA,TP,2012 C3D01 2301-000283 C-FILM,PEF;47nF,5%,100V,TP,7.3X7X3.2X5,5 R314 2007-001118 R-CHIP;680OHM,5%,1/10W,DA,TP,2012 C3D02 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 R315 2007-000518 R-CHIP;2.7KOHM,5%,1/10W,DA,TP,2012 C3D03 2203-001388 C-CERAMIC,CHIP;10nF,5%,50V,X7R,TP,2012,2 R316 2001-000221 R-CARBON;1.2KOHM,5%,1/8W,AA,TP,1.8X3.2M Samsung Electronics...
  • Page 44 C-AL;1uF,20%,50V,GP,TP,4x7,5 R3Q9 2007-001155 R-CHIP;750OHM,5%,1/10W,DA,TP,2012 C532 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R3X1 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 IC501 1204-001479 IC-AUDIO PROCESSOR;LA72634AM,QFP,64P,400 R3X2 2007-000282 R-CHIP;100KOHM,5%,1/10W,DA,TP,2012 L502 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm R3X3 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 L503 2701-000002 INDUCTOR-AXIAL;100uH,10%,4.2x9.8mm R3X4 2007-000282 R-CHIP;100KOHM,5%,1/10W,DA,TP,2012 R501 2007-000003 R-CHIP;43KOHM,5%,1/10W,DA,TP,2012 R3X5 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 R502 2007-001141 R-CHIP;7.5KOHM,5%,1/10W,DA,TP,2012 Samsung Electronics...
  • Page 45 0501-000398 TR-SMALL SIGNAL;KSC945,NPN,250mW,TO-92,T R4N06 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM Q3S05 0501-000398 TR-SMALL SIGNAL;KSC945,NPN,250mW,TO-92,T XT4N01 2801-003171 CRYSTAL-UNIT;18.432MHz,20PPM,28-AAM,4PF, R3S01 2001-000539 R-CARBON;24KOHM,5%,1/8W,AA,TP,1.8X3.2MM R3S02 2007-001177 R-CHIP;8.2KOHM,5%,1/10W,DA,TP,2012 AC92-00172A ASSY-PCB-IO;,IO/OSD, SV-7000W/5000W R3S03 2007-001224 R-CHIP;9.1KOHM,5%,1/10W,DA,TP,2012 INPUT-OUTPUT PARTS R3S04 2007-000615 R-CHIP;24KOHM,5%,1/10W,DA,TP,2012 C4301 2203-000260 C-CERAMIC,CHIP;10NF,10%,50V,X7R,TP,2012 R3S05 2007-000941 R-CHIP;47KOHM,5%,1/10W,DA,TP,2012 C4302 2203-000260 C-CERAMIC,CHIP;10NF,10%,50V,X7R,TP,2012 R3S11 2001-000837 R-CARBON;51KOHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 46 2001-000116 R-CARBON;820OHM,5%,1/4W,AA,TP,2.4X6.4MM C4378 2203-000595 C-CERAMIC,CHIP;0.22nF,5%,50V,NPO,TP,2012 R4328 2007-000401 R-CHIP;150OHM,5%,1/10W,DA,TP,2012 CN4301 3711-002144 CONNECTOR-HEADER;NOWALL,15P,1R,2mm,ANGLE R4329 2007-001166 R-CHIP;75OHM,5%,1/10W,DA,TP,2012 CN4302 3711-002144 CONNECTOR-HEADER;NOWALL,15P,1R,2mm,ANGLE R4330 2007-001166 R-CHIP;75OHM,5%,1/10W,DA,TP,2012 CN4303 3711-002144 CONNECTOR-HEADER;NOWALL,15P,1R,2mm,ANGLE R4331 2007-000642 R-CHIP;270OHM,5%,1/10W,DA,TP,2012 CN4305 3711-001061 CONNECTOR-HEADER;BOX,6P,1R,2mm,ANGLE,SN R4332 2007-000642 R-CHIP;270OHM,5%,1/10W,DA,TP,2012 D4301 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, R4333 2007-001166 R-CHIP;75OHM,5%,1/10W,DA,TP,2012 Samsung Electronics...
  • Page 47 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 C904 2203-000683 C-CERAMIC,CHIP;27pF,5%,50V,NPO,TP,2012,- XT901 2801-003311 CRYSTAL-UNIT;17.734475MHz,20ppm,28-AAA,1 C905 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 XT902 2801-001384 CRYSTAL-UNIT;14.31818MHz,30ppm,28-AAA,16 C906 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,201 C907 2401-002299 C-AL;4.7uF,20%,50V,GP,TP,5x7,5 AC92-00225A ASSY-PCB-DIGITAL;DIGITAL, SV-7000W/5000W C908 2401-002144 C-AL;47uF,20%,16V,GP,TP,5x11,5 2203-001721 C-CERAMIC,CHIP;360pF,5%,50V,NPO,TP,2012, C909 2203-001002 C-CERAMIC,CHIP;0.047nF,5%,50V,NPO,TP,201 CD10 2203-000609 C-CERAMIC,CHIP;22nF,10%,50V,X7R,TP,2012, C910 2202-000286 C-CERAMIC,MLC-AXIAL;56pF,5%,50V,SL,TP,1. CD11 2203-000206 C-CERAMIC,CHIP;100nF,10%,50V,X7R,TP,2012 C911 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5...
  • Page 48 R-CHIP;390OHM,5%,1/10W,DA,TP,2012 ICD3 AC09-00059A IC-VIDEO SIG. CONVERTER;VIDEO CONVERSION 2801-003819 CRYSTAL-UNIT;24.576MHZ,10PPM,28-AAA,16PF ICD4 1105-001259 IC-DRAM;416S1020,16BIT,TSOP,50P,400MIL 2801-003348 CRYSTAL-UNIT;27MHZ,20PPM,28-AAM,20PF,20O ICD5 AC14-12012W IC-DRIVE;NJM2267D,DIP,- ICD6 1203-001586 IC-VOLTAGE REGULATOR;278R33,TO-220F,4P,- AC92-00214A ASSY-PCB-TIMER;SV-7000W ICD7 1203-001586 IC-VOLTAGE REGULATOR;278R33,TO-220F,4P,- C701 2401-002165 C-AL;100uF,20%,16V,GP,TP,6.3x7,5 ICD8 AC14-12004U IC-FP;NJM 2235M(TE1),-,- C702 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, 2702-000135 INDUCTOR-RADIAL;2.7uH,10%,6x6.4mm C703 2202-000173 C-CERAMIC,MLC-AXIAL;1nF,10%,50V,Y5P,TP,1...
  • Page 49 SW718 3404-001008 SWITCH-TACT;12V,20mA,160+-50,6x7.9x3.5mm D704 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ZD701 0403-000357 DIODE-ZENER;UZ5.6BM,5.6V,5.4-5.8V,500mW, D705 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ZD702 0403-000555 DIODE-ZENER;MTZ30D,30V,29.02-30.51V,500m D706 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ZD703 0403-000558 DIODE-ZENER;MTZ5.6C,5.6V,5.61-5.91V,500m D707 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ZD704 0403-000558 DIODE-ZENER;MTZ5.6C,5.6V,5.61-5.91V,500m D708 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ZD705 0403-000558 DIODE-ZENER;MTZ5.6C,5.6V,5.61-5.91V,500m DT701 AC07-20050Y VF-DISPLAY;SVV-12MM09,16SEG,103 X 13.25, Samsung Electronics...
  • Page 50 Electrical Parts List Loc.No Part No Description ; Specification Remark Loc.No Part No Description ; Specification Remark ASSY-FUNCTION;SV-7000W ONLY S.N.A. C802 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, CN801 3708-000204 CONNECTOR-FPC/FC/PIC;20P,1.25mm,ANGLE,SN D801 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D802 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, D803 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, F/CABL 3809-001100 CABLE-FLAT;30V,80C,60mm,20P,1.25mm,UL289 IC801 AC14-12001X IC;M5481,-,-...

  • Page 51: Block Diagram

    9. Block Diagram STEREO/BILINGUAL SV-7000W ONLY Samsung Electronics...
  • Page 52 Wiring Diagram MEMO Samsung Electronics...

  • Page 53: Pcb Diagrams

    10-6 Function (SV-7000W) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 54: Main

    Schematic Diagrams 10-1 Main 10-2 Samsung Electronics...

  • Page 55: Digital

    Schematic Diagrams 10-2 Digital COMPONENT SIDE SOLDER SIDE 10-3 A2/NICAM Samsung Electronics 10-3...

  • Page 56: I/O

    Schematic Diagrams 10-4 I/O COMPONENT SIDE SOLDER SIDE 10-4 Samsung Electronics...

  • Page 57: Timer (Sv-7000W)

    Schematic Diagrams 10-5 Timer (SV-7000W) 10-6 Function (SV-7000W) Samsung Electronics 10-5...

  • Page 58: Function-Timer (Sv-5000W)

    Schematic Diagrams 10-7 Function-Timer (SV-5000W) 10-6 Samsung Electronics...

  • Page 59: Main Pcb

    11. Wiring Diagram MAIN PCB TIMER JOINT FUNCTION (F/TIMER) STEREO/BILINGUAL PCB (A2/NICAM) DIGITAL PCB I/O PCB SV-7000W ONLY Samsung Electronics 11-1...
  • Page 60 Wiring Diagram MEMO 11-2 Samsung Electronics...

  • Page 61: Schematic Diagrams

    12-12 Timer (SV-7000W) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 62: 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 12-2 Samsung Electronics...
  • Page 63 Schematic Diagrams 12-1 S.M.P.S. Samsung Electronics 12-3...

  • Page 64: Power

    Schematic Diagrams 12-2 Power 12-4 Samsung Electronics...

  • Page 65: System Control/Servo

    Schematic Diagrams 12-3 System Control/Servo STEREO/BILINGUAL Samsung Electronics 12-5...

  • Page 66: Audio/Video

    Schematic Diagrams 12-4 Audio/Video 12-6 Samsung Electronics...

  • Page 67: Hi-Fi

    Schematic Diagrams 12-5 Hi-Fi Samsung Electronics 12-7...

  • Page 68: Tm-Block

    Schematic Diagrams 12-6 TM-Block 12-8 Samsung Electronics...

  • Page 69: Stereo/Bilingual (A2/Nicam)

    Schematic Diagrams 12-7 Stereo/Bilingual (A2/NICAM) IC4N01 SPECIFICATION MODELS TV SYSTEM SPEC. REMARK SV-7000W NTSC/PAL MSP3450G FULL-MULTI NTSC MSP3440G SV-5000W MSP3417D A2/NICAM MSP3440G MSP3417D MSP3450G Samsung Electronics 12-9...

  • Page 70: Secam

    Schematic Diagrams 12-8 SECAM 12-10 Samsung Electronics...

  • Page 71: Digital

    Schematic Diagrams 12-9 Digital Samsung Electronics 12-11...

  • Page 72: Osd

    Schematic Diagrams 12-10 OSD 12-12 Samsung Electronics...

  • Page 73: Input-Output

    Schematic Diagrams 12-11 Input-Output Samsung Electronics 12-13...

  • Page 74: Timer (Sv-7000W)

    Schematic Diagrams 12-12 Timer (SV-7000W) 12-14 Samsung Electronics...

  • Page 75: Function/Joint (Sv-7000W)

    Schematic Diagrams 12-13 Function/Joint (SV-7000W) Samsung Electronics 12-15...

  • Page 76: Function-Timer (Sv-5000W)

    Schematic Diagrams 12-14 Function-Timer (SV-5000W) 12-16 Samsung Electronics...

  • Page 77: Remote Control

    Schematic Diagrams 12-15 Remote Control Samsung Electronics 12-17...
  • Page 78 Schematic Diagrams MEMO 12-18 Samsung Electronics...
  • Page 79 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 80 ¨ 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 81 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 82 ´ 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 83 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 84 ´ 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 85 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 86 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 87 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 88 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 89 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 90 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 91 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 92 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 93 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 94 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 95 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 96 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 97 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 98 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 99 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 100 ) 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 101 145 ± 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 102 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 103 Alignment and Adjustment MEMO Samsung Electronics...

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