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Samtron SV-G92 Service Manual

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© Samsung Electronics Co., Ltd. FEB. 2001
Printed in Korea
AC68-01476A
VIDEO CASSETTE RECORDER
Chassis : Scorpio
SV-G92
SV-G42
SERVICE
For mechanical disassembly and adjustment, refer to the "Mechanical Manual" (TS-10
VIDEO CASSETTE RECORDER
POWER
PLAY
EJECT
REW
F.F
STOP
POWER
REC
Manual
AC68-01405A).
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 Samtron SV-G92

  • Page 1 VIDEO CASSETTE RECORDER Chassis : Scorpio SV-G92 SV-G42 SERVICE Manual For mechanical disassembly and adjustment, refer to the “Mechanical Manual” (TS-10 AC68-01405A). VIDEO CASSETTE RECORDER CONTENTS 1. Precautions 2. Alignment and Adjustment 3. Exploded View and Parts List 4. Electrical Parts List 5.
  • Page 2 IMPORTANT SERVICE GUIDE ♦ MODE SWITCH (PROGRAM SWITCH) ASSEMBLY POINT 1) When installing the ass’y deck on the Main PCB, be sure to align the assembly point of mode switch. ASSEMBLY POINT (ALIGN TWO ARROWS) Fig. 1 ♦ HOW TO EJECT THE CASSETTE TAPE (If the unit does not operate on condition that tape is inserted into housing ass’y) 1) Turn the Gear Worm Œ...
  • Page 3 Alternatively, wear a discharging Wrist-strap device. (Be sure to remove it prior to applying power--this is an electric shock precaution.) Samtron...
  • Page 4 Always inspect for pinched, out- of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Check the AC power cord for damage. Make sure that leads and components do not touch thermally hot parts. Samtron...
  • Page 5 CH/TRK TV/VCR PREV.CH ENTER Head Switching Adjustment <This type of remote control can not adjust.> MENU NVRAM Option Setting <This type of remote control can adjust.> Remote Control for adjustment is not supplied as a Service Jig. Fig. 2-1 Samtron...
  • Page 6 Alignment and Adjustment 2-1-2 Test point location for adjustment mode setting Short-Circuit for a second and release. Fig. 2-2 Main PCB (Top View) Samtron...
  • Page 7 2) Momently short-circuit the test point on Main 6) Turn the Power off. PCB with pincers to set the adjustment mode. (See Fig. 2-2) 3) Press the “5” button of remote control then adjust- ment is operated automatically. (See Fig. 2-1) Samtron...
  • Page 8 OPTION NUMBER 03 04 06 07 08 09 10 11 12 13 14 15 16 SV-G92 2, 4, 6, 7, 10, 12, 15, 20, 28, 30, 31, 37 SV-G42 4, 6, 7, 12, 15, 20, 28, 30, 31, 37 17 18 19 20 21 22 23 24...
  • Page 9 3-2 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-3 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Samtron...
  • Page 10 Exploded View and Parts List 3-1 Cabinet Assembly Samtron...
  • Page 11 Exploded View and Parts List Loc. No Parts No. Description ; Specification Remark AC97-01245D ASSY-PANEL FRONT;HIPS 94HB,SV-G92,- SV-G92 AC97-01245E ASSY-PANEL FRONT;HIPS 94HB,SV-G42,- SV-G42 AC64-00535D DOOR-CASSETTE;SV-G92,ABS,-,BLK,189,T2,- AC64-00535E DOOR-CASSETTE;SV-G42,ABS,-,BLK,189,T2,- AC61-62032A SPRING-MASK;X-9,-,SUS,-,4.4,-,SV-C130 AC64-00292A CABINET-TOP;-,HIPS,-,T2,-,D/GRAY,94V2,SV 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 AC39-10200N POWER-CORD;EP2,SPT-2,AWG#18,1.8MT,WAFER,...
  • Page 12 3-2 Mechanical Parts (Top Side) G001 K490 K502 K530 G555 B473 G530 B474 G450 G510 G680 G420 G480 (OPTIONAL) K546 K250 K240 (OPTIONAL) K248 B575 G681 B410 K350 K110 B440 K182 B448 K340 K330 B452 G546 K470 K140 K188 G527 G520 G070 G060 Samtron...
  • Page 13 GEAR-WORM WHEEL;TS-10,POM,0.8,40,-,NAT,3 B452 AC66-00011A GEAR-FL CAM;TS-10,POM,0.8,59,-,BLK,48.48 B473 AC61-00105A SPRING-PINCH DRIVE;TS-10,SUS304-WPB,-,-, B474 AC61-30180A PLATE-JOINT;-,SECC20/20,T0.8,-,X-9 B575 AC47-00002A DAMPER-CAPSTAN;TS-10,POM,-,-,BLACK G001 AC97-01204A ASSY-CYLINDER;NTSC,CTS10,6HD-JUST SV-G92 AC97-01202A ASSY-CYLINDER;NTSC,CTS10,4HD-JUST SV-G42 G060 6006-001092 SCREW-ASS’Y MACH;WS,PH,+,M3.0,L6.0,ZPC(Y G070 AC61-00161A PLATE-GROUND DECK;TS-10,SPTE,T0.3,- G420 AC66-80142A SLIDER-SUPPLY ASSY;-,X-9(TS),-,-,-,X-9 G450 AC66-80141A SLIDER-TAKE UP ASSY;-,X-9(TS),-,-,-,X-9...
  • Page 14 Exploded View and Parts List 3-3 Mechanical Parts (Bottom Side) G542 B462 B456 B560 B460 B500 B458 B464 B488 B501 B489 B484 B468 K222 K200 K225 K221 B478 B570 Samtron...
  • Page 15 LINK-LOADING S;TS-10,SECC E20/20,0.8,-,- B500 AC66-00024A LEVER-T LOADING;TS-10,POM,-,-,-,-,NAT,- B501 AC66-00022A LINK-LOADING T;TS-10,SECC E20/20,0.8,-,- B560 AC31-00010A MOTOR-CAPSTAN;-,SANKYO,-,- 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 AC66-00006A LEVER-UP DOWN;TS-10,POM,-,-,-,-,NAT,- Samtron...
  • Page 16 Exploded View and Parts List MEMO Samtron...
  • Page 17 4. Electrical Parts List 4-1 SV-G92 Loc.No Part No Description ; Specification Remark Loc.No Part No Description ; Specification Remark AC92-00763C ASSY PCB-MAIN;VR8140C/XAC,TS-10,HI-FI,12 S.N.A. R1SS05 2004-000869 R-METAL;3Kohm,1%,1/8W,AA,TP,1.8x3.2mm R1SS06 2004-000459 R-METAL;2.2Kohm,1%,1/8W,AA,TP,1.8x3.2m S.M.P.S. PARTS VA1SS1 1405-001026 VARISTOR;470V,600A,9x7mm,TP BD1SS1 AC27-92001M INDUCTOR;70UH-M RT BFS3565R2F,-,-,-,-...
  • Page 18 C313 2401-000414 C-AL;10uF,20%,16V,GP,TP,4x7,5 R613 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM C314 2203-000476 C-CERAMIC,CHIP;1000nF,+80-20%,16V,Y5V,TP R614 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM C315 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R615 2007-000981 R-CHIP;5.6KOHM,5%,1/10W,DA,TP,2012 C316 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R616 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM C317 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R617 2007-000221 R-CHIP;1.2KOHM,5%,1/10W,DA,TP,2012 C318 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, R618 2007-001039 R-CHIP;56KOHM,5%,1/10W,DA,TP,2012 C319 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, Samtron...
  • Page 19 C-AL;10uF,20%,16V,GP,TP,4x7,5 Q307 0501-000442 TR-SMALL SIGNAL;KTC3203-Y,NPN,400MW,T0-9 C510 2301-000224 C-FILM,PEF;22nF,5%,50V,TP,7.4x3.9x13mm,5 Q308 0501-000442 TR-SMALL SIGNAL;KTC3203-Y,NPN,400MW,T0-9 C511 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, R301 2007-000409 R-CHIP;15KOHM,5%,1/10W,DA,TP,2012 C512 2203-000126 C-CERAMIC,CHIP;1.2nF,10%,50V,X7R,TP,2012 R302 2007-001055 R-CHIP;6.2KOHM,5%,1/10W,DA,TP,2012 C513 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, R303 2007-000267 R-CHIP;1.8KOHM,5%,1/10W,DA,TP,2012 C514 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5S,TP, R304 2007-000267 R-CHIP;1.8KOHM,5%,1/10W,DA,TP,2012 C515 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, Samtron...
  • Page 20 R7L12 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM C805 2401-000438 C-AL;10uF,20%,25V,GP,-,5x11,2mm R7L13 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM C8L1 2401-001730 C-AL;10uF,20%,50V,GP,TP,5x11,2.5 R7L14 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM C8L2 2401-001730 C-AL;10uF,20%,50V,GP,TP,5x11,2.5 RM7L1 AC59-00011A MODULE-REMOCON;-,TSOP2838RF1,-,-,-,-,BK JK801 AC37-20001G JACK-RCA;DPAE-,6P,HIFI,PI3.3 L802 3301-000297 CORE-FERRITE BEAD;AA,3.6x1.2x5.7mm,1400, Q801 0501-000303 TR-SMALL SIGNAL;KSA733,PNP,250mW,TO-92,T Q8L1 0501-000398 TR-SMALL SIGNAL;KSC945,NPN,250mW,TO-92,T R801 2001-000969 R-CARBON;75OHM,5%,1/8W,AA,TP,1.8X3.2MM Samtron...
  • Page 21 C623 2202-000121 C-CERAMIC,MLC-AXIAL;100pF,10%,50V,Y5P,TP C1P109 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 C624 2401-002165 C-AL;100uF,20%,16V,GP,TP,6.3x7,5 C1P112 2401-001254 C-AL;4.7uF,20%,35V,GP,TP,4x7,5 C625 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, D1P101 0402-000127 DIODE-RECTIFIER;1N4002,100V,1A,DO-41,TP C626 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, D1P102 0402-000127 DIODE-RECTIFIER;1N4002,100V,1A,DO-41,TP C627 2203-001245 C-CERAMIC,CHIP;0.082nF,5%,50V,NP0,TP,201 D1P106 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, C628 2401-002068 C-AL;33uF,20%,16V,GP,TP,5x11,5 D1P108 0401-000101 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, C629 2203-001579 C-CERAMIC,CHIP;15nF,10%,50V,NP0,TP,2012 Samtron...
  • Page 22 C323 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R621 2007-000931 R-CHIP;470OHM,5%,1/10W,DA,TP,2012 C324 2203-000260 C-CERAMIC,CHIP;10nF,10%,50V,X7R,TP,2012 R622 2007-000931 R-CHIP;470OHM,5%,1/10W,DA,TP,2012 C325 2401-000598 C-AL;1uF,20%,50V,GP,TP,4x7,5 R623 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM C326 2203-000609 C-CERAMIC,CHIP;22nF,10%,50V,X7R,TP,2012 R624 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM C327 2401-001915 C-AL;1uF,20%,50V,GP,TP,3x5,5 R630 2001-000864 R-CARBON;56KOHM,5%,1/8W,AA,TP,1.8X3.2MM C328 2401-003107 C-AL;47uF,20%,16V,GP,TP,5x7,5 R631 2001-000864 R-CARBON;56KOHM,5%,1/8W,AA,TP,1.8X3.2MM C329 2203-000192 C-CERAMIC,CHIP;100nF,+80-20%,50V,Y5V,TP, Samtron...
  • Page 23 R8L3 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2M R310 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2M R8L4 2001-000780 R-CARBON;470OHM,5%,1/8W,AA,TP,1.8X3.2MM R311 2007-001113 R-CHIP;680KOHM,5%,1/10W,DA,TP,2012 R8L5 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M R312 2007-000221 R-CHIP;1.2KOHM,5%,1/10W,DA,TP,2012 R8M1 2007-000941 R-CHIP;47KOHM,5%,1/10W,DA,TP,2012 R313 2001-000258 R-CARBON;1.8KOHM,5%,1/8W,AA,TP,1.8X3.2M R8M2 2007-001224 R-CHIP;9.1KOHM,5%,1/10W,DA,TP,2012 R314 2007-000241 R-CHIP;1.5KOHM,5%,1/10W,DA,TP,2012 R8M3 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R315 2007-001177 R-CHIP;8.2KOHM,5%,1/10W,DA,TP,2012 R316 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 Samtron...
  • Page 24 LD7L04 0601-001408 LED;ROUND,GRN,-,- LD7L05 0601-001408 LED;ROUND,GRN,-,- LD7L06 0601-001408 LED;ROUND,GRN,-,- LD7L07 0601-001203 LED;ROUND,RED,3.3mm,700nm R7L01 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R7L08 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L09 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L10 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L11 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L12 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L13 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM R7L14 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM RM7L1 AC59-00011A MODULE-REMOCON;-,TSOP2838RF1,-,-,-,-,BK Samtron...

  • Page 25: Table Of Contents

    5-4 Hi-Fi (SV-G92 Only) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 26: 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. ◆ Block Identification of Main PCB Samtron...

  • Page 27: S.m.p.s./Power

    Schematic Diagrams 5-1 S.M.P.S./Power PWR OFF Œ PWR ON ´ Œ Q1SR02-COLLECTOR ´ Q1SR02-COLLECTOR POWER OFF/240Vp-p POWER ON/270Vp-p Samtron...

  • Page 28: Logic

    Schematic Diagrams 5-2 Logic ‰ Ø ¨ Œ ∏ ˆ ˇ ´ ’ ” Samtron...
  • Page 29 Schematic Diagrams IC601 MN101D02X IC601 VOLTAGE TABLE WAVEFORM Œ IC601-35 Ø TP601 PB/3Vp-p PB/3.2Vp-p ´ IC601-34 ∏ IC601-37,38 PB/5Vp-p PB,REC/620mVp-p ˇ IC601-33 ” IC601-47 PB/5Vp-p PB,REC/2.2Vp-p ¨ CN604-6 ’ IC601-50 PB/5Vp-p PB,REC/1.8Vp-p ˆ IC602-8 PB/5Vp-p Samtron...

  • Page 30: Audio/Video

    Schematic Diagrams 5-3 Audio/Video ¨ Ø ∏ ˇ ´ Œ” ˆ Samtron...
  • Page 31 Schematic Diagrams IC301 LA71200M IC301 VOLTAGE TABLE WAVEFORM Œ IC301-9 ˆ TP301 REC/3Vp-p PB/600mVp-p ´ IC301-21 Ø IC301-66 PB,REC/440mVp-p REC(EP)/3.1Vp-p ˇ IC301-24 ∏ IC301-73 PB,REC/250mVp-p REC(SP)/4Vp-p ¨ IC301-39 ” IC301-10 PB,REC/400mVp-p PB/1.4Vp-p Samtron...

  • Page 32: Hi-Fi (Sv-G92 Only)

    Schematic Diagrams 5-4 Hi-Fi (SV-G92 Only) Œ ˇ ´ Samtron...
  • Page 33 Schematic Diagrams IC501 AN3662FBP IC501 VOLTAGE TABLE WAVEFORM Œ IC501-30 PB/50mVp-p ´ IC501-21 PB/50mVp-p ˇ IC501-53, 57 PB,REC/150mVp-p Samtron...

  • Page 34: Tm-Block/Input-Output

    Schematic Diagrams 5-5 TM-Block/Input-Output Œ TM401-18 REC/100mVp-p ´ TM401-20 REC/100mVp-p Œ ´ 5-10 Samtron...

  • Page 35: Display

    Schematic Diagrams 5-6 Display Samtron 5-11...
  • Page 36 Schematic Diagrams MEMO 5-12 Samtron...
  • Page 37 TS-10 DECK MECHANICAL Manual ◆ File with the SERVICE MANUAL. TS-10 DECK CONTENTS 1. Disassembly and Reassembly ELECTRONICS 2. Alignment and Adjustment © Samsung Electronics Co., Ltd. JUN. 2001 Printed in Korea AC68-01451A...
  • Page 38 1. Disassembly and Reassembly 1-1 Deck Parts Locations 1-1-1 Top View Œ ´ ˇ ¨ ˆ Ø Fig. 1-1 Top parts Location-1 Œ GEAR FL CAM ´ MOTOR LOADING ASS’Y ˇ LEVER FL ARM ASS’Y ¨ HOLDER FL CASSETTE ASS’Y ˆ...
  • Page 39 Disassembly and Reassembly ´ ˇ ¨ Œ ˆ Ø Ò ∏ ” ’ ” Ô ˝  Fig. 1-2 Top Parts Location-2 ” DISK S REEL Œ FE HEAD ’ LEVER S BRAKE ASS’Y ´ CYLINDER ASS’Y ˝ GEAR IDLE ˇ...
  • Page 40 Disassembly and Reassembly 1-1-2 Bottom View Œ ´ ˇ ˆ Ø ¨ ∏ ” ’ ˝ Fig. 1-3 Bottom Parts Location Œ GEAR JOINT 1 ´ GEAR JOINT 2 ˇ BRACKET GEAR ¨ MOTOR CAPSTAN ASS’Y ˆ LEVER T LOAD ASS’Y Ø...
  • Page 41 Disassembly and Reassembly 1-2 Main Deck 1-2-1 Lever FL Door Removal 1-2-2 Holder FL Cassette Ass’y Removal 1) Push the Holder FL Cassette Ass'y Œ about 20mm 1) Pull the Holder FL Cassette Ass'y Œ to the eject in the direction of arrow “A”. position.
  • Page 42 Disassembly and Reassembly 1-2-3 Slider FL Drive, Gear FL Cam Removal 1-2-4 Lever FL Arm Ass’y Removal 1) Push the hole “A” in the direction of arrow “B” 1) Pull the Slider FL Drive Œ to the front direction. use the pin.(about Dia. 2.5) 2) Remove the Slider FL Drive Œ...
  • Page 43 Disassembly and Reassembly 1-2-5 Gear Worm Wheel Removal 1-2-6 Motor Loading Ass’y Removal 1) Remove the screw Œ. 1) Remove the Gear Worm wheel Œ. 2) Remove the Motor Loading Ass’y ´. ´ MOTOR LOADING ASS`Y Œ SCREW Œ GEAR WORM WHEEL Fig.
  • Page 44 Disassembly and Reassembly 1-2-7 Bracket Gear, Gear Joint 2, 1 Removal 1-2-8 Gear Loading Drive, Slider Cam, Lever Load S, T Ass’y Removal 1) Remove the SCREW Œ. 1) Remove the Belt Pulley. (Refer to Fig. 1-30) 2) Remove the Bracket Gear ´. 2) Remove the Gear Loading Drive Œ...
  • Page 45 Disassembly and Reassembly 1-2-9 Gear Loading Drive, Slider Cam, 1-2-10 Lever Pinch Drive, Lever Load S, T Ass’y Assembly Lever Tension Drive Removal 1) When reinstalling, be sure to align dot of Lever 1) Remove the Lever Pinch Drive Œ, Lever Tension Load T Ass'y Œ...
  • Page 46 Disassembly and Reassembly 1-2-11 Lever Tension Ass’y, 1-2-12 Lever Brake S, T Ass’y Removal Band Brake Ass’y Removal 1) Release the Hook [A] and the Hook [B], [C] in the direction of arrow as shown in Fig 1-17. 1) Remove the Lever Brake S Ass'y (Refer to Fig 1-17). 2) Lift the Lever S, T Brake Ass'y Œ, ´...
  • Page 47 Disassembly and Reassembly 1-2-13 Gear Idle Ass’y Removal 1-2-14 Disk S, T Reel Removal 1) Push the Lever Idle Œ in the direction of arrow 1) Lift the Disk S, T Reel Œ, ´. “A”, “B”. 2) Lift the Lever Idle Œ. Œ...
  • Page 48 Disassembly and Reassembly 1-2-15 Holder Clutch Ass’y Removal 1-2-16 Lever Up Down Ass’y, Gear Center Ass’y Removal 1) Remove the Washer Slit Œ. 1) Remove the 2 hooks in the direction of arrow as 2) Lift the Holder Clutch Ass’y ´. shown Fig.
  • Page 49 Disassembly and Reassembly 1-2-17 Guide Cassette Door Removal 1-2-18 Lever Unit Pinch Ass’y, Plate Joint, Spring Pinch Drive Removal 1) Lift the Hook [A]. 2) Rotate the Guide Cassette Door Œ in the direction 1) Lift the Unit Pinch Ass’y Œ. of arrow.
  • Page 50 Disassembly and Reassembly 1-2-19 Lever #9 Guide Ass’y Removal 1-2-20 FE Head Removal 1) Remove the Spring #9 Guide Œ. 1) Remove the screw Œ. 2) Lift the Spring #9 Guide Ass’y ´ in the direction 2) Lift the FE Head ´. of arrow “A”.
  • Page 51 Disassembly and Reassembly 1-2-21 ACE Head Removal 1-2-22 Slider S, T Ass’y Removal 1) Pull out the FPC from connector of ACE Head 1) Move the Slider S, T Ass’y Œ, ´ to slot, and then Ass’y ´. lift it to remove. (Refer to arrow) 2) Remove the screw Œ.
  • Page 52 Disassembly and Reassembly 1-2-23 Plate Ground Deck, Cylinder Ass’y Removal 1-2-24 Belt Pulley Removal 1) Remove the 3 Screws Œ. 1) Remove the Belt Pulley Œ. 2) Lift the Plate Ground Deck ´. Note : Take extreme care not to get grease on Belt 3) Lift the Cylinder Ass’y ˇ.
  • Page 53 Disassembly and Reassembly 1-2-26 Damper Capstan, Motor Capstan Ass’y 1-2-27 How to Eject the Cassette Tape Removal (If the unit does not operate on condition that is inserted into housing ass’y) 1) Remove the Damper Capstan Œ in the direction of arrow.
  • Page 54 Disassembly and Reassembly 1-3 The table of clearing, Lubrication and replacement time about principal parts 1) The replacement time of parts is not life of parts. 2) The table 1-1 is that the VCR Set is in normal condition (normal temperature, normal humidity). The checking period may be changed owing to the condition of use, runtime and environmental conditions.
  • Page 55 Disassembly and Reassembly MEMO 1-18 Samsung Electronics...
  • Page 56 2. Alignment and Adjustment 2-1 Tape Transport System and Adjustment Locations The tape transport system has been adjusted precisely in the factory. Alignment is not necessary except for the following : 1) Noise observed on the screen. 2) Tape damage. 3) Parts replacement in the tape transport system.
  • Page 57 Alignment and Adjustment 2-2 Tape Transport System Adjustment When parts are replaced, perform the required 2-2-1(b) ACE HEAD TILT ADJUSTMENT adjustments by referring to procedures for the tape transport system. If there are any changes to the tape 1) Playback a blank tape and observe the position of path, first run a T-120 tape and make sure excessive the tape at the lower flange of tape guide.
  • Page 58 Alignment and Adjustment 2-2-2 Linearity adjustment (Guide roller S, T adjustment) 1) Playback the Mono Scope alignment tape (SP mode). 2) Observe the video envelope signal on an oscillo- scope (triggered by the video switching pulse). 3) Make sure the video envelope waveform (at its minimum) meets the specification shown in a b c d Fig.
  • Page 59 Alignment and Adjustment 2-2-3 Check Transitional Operation from 2-2-4 Envelope Check RPS to Play 1) Make recordings on T-120 (E-120) and T-160 (E-180) tape. Check transition from RPS mode to play mode : Make sure the playback output envelope meets the Using a pre-recorded SP tape, make sure the entry specification as shown in Fig.

This manual is also suitable for:

Sv-g42