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Disassembly and Reassembly

1-2

Samsung Electronics

1-1-2 Deck (Top View)

3 4

10 11

Fig. 1-2 Deck Top Parts Location (DX7-AC/DX8-AC DECK ONLY)

1. ARM TENSION FULL ASS’Y

2. BRAKE MAIN “L” ASS’Y

3. GUIDE ROLLER ASS’Y “T”

4. FULL ERASE HEAD

5. HEAD CLEANER ASS’Y

(DX7-AC/DX8-AC ONLY)

6. GUIDE ROLLER ASS’Y “S”

7. CYLINDER ASS’Y

8. LEVER PINCH COMP ASS’Y

9. LEVER PINCH CAM

10. FULL ACE HEAD AAS’Y

11. UNIT PINCH ROLLER ASS’Y

12. LEVER REVIEW

13. BRAKE SUB “R” ASS’Y

14. REEL DISK “R” ASS’Y

15. GEAR RELAY “T” ASS’Y

16. IDLER ASS’Y

17. GEAR RELAY “S” ASS’Y

18. REEL DISK “L” ASS’Y

19. LEVER JOG ASS’Y

(DX8-A/AC ONLY)

20. LEVER REC SWITCH

Содержание SV-510X

Страница 1: ...B Manual VIDEO CASSETTE RECORDER CONTENTS For mechanical disassembly and adjustment refer to the Mechanical Manual DX7 A AC DX8 A AC AC68 20392A 1 Precautions 2 Reference Information 3 Product Specifications and Comparison Chart 4 Disassembly and Reassembly 5 Alignment and Adjustment 6 Exploded View and Parts List 7 Electrical Parts List 8 Block Diagrams 9 PCB Diagrams 10 Wiring Diagram 11 Schemat...

Страница 2: ... exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 6 X ray Limits The picture tube is designed to prohibit X ray emissions To ensure continued X ray protection replace the picture tube only with one that is the same type as the original Fig 1 1 AC Leakage Test 7 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jum...

Страница 3: ...strumentÕs ground lead to the instrument chassis ground before connecting the positive lead always remove the instrumentÕs ground lead last 17 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between components and th...

Страница 4: ...Samsung Electronics 2 1 2 Reference Information 2 1 IC BLOCK 2 1 1 IC601 HD6473977 ...

Страница 5: ...Reference Information 2 2 Samsung Electronics 2 1 2 IC301 SS11511M SS11501M ...

Страница 6: ...Reference Information Samsung Electronics 2 3 2 1 3 IC302 LA7416 ...

Страница 7: ...Reference Information 2 4 Samsung Electronics 2 1 4 IC303 SS23377M SS23378M ...

Страница 8: ...Reference Information Samsung Electronics 2 5 2 1 5 IC501 LA72633 ...

Страница 9: ...Reference Information 2 6 Samsung Electronics 2 1 6 IC801 KA8119 ...

Страница 10: ...carrier direct recording NTSC PB on PAL TV Tape speed SP 23 39 mm sec LP 11 69 mm sec Recording playback time SP 3 hours E 180 Tape LP 6 hours E 180 Tape F F REW time About 100 190 sec in REW F F with E 180 tape VIDEO Input 0 5 to 2 0 Vp p 75 ohm unbalanced Output 1 0 0 2 Vp p 75 ohm unbalanced Signal to noise ratio Better than 43 dB SP Horizontal resolution More than 240 lines SP Audio Input 8 dB...

Страница 11: ...O X X X X X X X SPAIN SV 611X O O X X X O O O X O X SV 510X X X O X X O O O X O X Hi Fi Playback ITALY SV 611X O X X X X O O O X O X SV 510X X X O X X O O O X O X Hi Fi Playback PORTUGAL SV 611X O O X X X O O O X O X FINLAND SWEDEN NORWAY SV 610X O O X X X O O X X X X NETHERLANDS SV 610X O X X X X O O X X X X BELGIUM SV 610X O O X X X O O X X X X DENMARK SV 610X O O X X X O O X X X X SAUDI ARABIA ...

Страница 12: ... shown Reassemble in reverse order 4 1 1 Cabinet Top removal Œ REMOVE 3 SCREWS BH 3 4X16 BLACK Fig 4 1 Cabinet Top removal 4 1 2 Bottom cover removal Œ REMOVE 2 SCREWS BH 2 3X10 YELLOW RELEASE 2 SNAPFITS RELEASE 2 SNAPFITS ˇ Lift up the bottom cover in the direction of arrow Fig 4 2 Bottom Cover removal ...

Страница 13: ...Disassembly and Reassembly 4 2 Samsung Electronics 4 1 3 Ass y Front Panel removal Bottom view RELEASE 4 HOOKS Œ REMOVE KNOB SHUTTLE ˇ RELEASE 3 HOOKS Top view Fig 4 3 Ass y Front Panel removal ...

Страница 14: ...ly Samsung Electronics 4 3 4 1 4 Ass y Function Timer removal Note Take extreme care not to damage the PCB when removing it Œ RELEASE 6 TABS ˇ RELEASE 1 TAB REMOVE 1 SCREW BH 2 3X10 YELLOW Fig 4 4 Ass y Function Timer removal ...

Страница 15: ...are not to damage the sensor Disassembly and Reassembly 4 4 Samsung Electronics 4 1 5 Chassis removal Fig 4 5 Chassis Removal Œ REMOVE 2 SCREWS BH 2 3X12 YELLOW REMOVE 2 SCREWS BH 2 4X12 YELLOW Lift the ass y full deck up CONNECTOR BOARD ASS Y ˇ REMOVE 1 SCREW BH 3X12 YELLOW ˆ RELEASE 1 TAB Ø RELEASE 1 TAB Lift the ass y main up to remove ...

Страница 16: ...Disassembly and Reassembly Samsung Electronics 4 5 4 2 Circuit Board Locations MAIN BOARD FUNCTION TIMER BOARD SUB BOARD A2 NICAM SHUTTLE BOARD Fig 4 6 Circuit Board Locations ...

Страница 17: ...Disassembly and Reassembly 4 6 Samsung Electronics MEMO ...

Страница 18: ...D SEARCH MEMORY OUTPUT INDEX SLOW INPUT INPUT BUTTON SP LP BUTTON SP LP A DUB VPS FINE CH TRK TRACKING FINE BUTTON POWER BUTTON POWER PLAY BUTTON PLAY TEST BUTTON IS HIDDEN BEHIND OF INLAY 3 HEAD S W ADJ INPUT OR TEST AND 3 BUTTON 1 TRACKING CENTER ADJ INPUT OR TEST AND 1 BUTTON 633 252 REMOTE CONTROL ASS Y PART NO Fig 5 1 Remote Control Ass y Jig for X 5 X 6 Chassis AC93 10039Y 69099 633 252 EJEC...

Страница 19: ...adjustment and confirmation of assÕy full deck 5 2 1 The number and position of test point GND CTL TP01 H D SW V ENV A OUT V OUT AGC SCART CTL TP02 TP03 TP04 TP05 TP06 TP07 TP08 Fig 5 3 The position of test point Main PCB Component side Test point TP02 CTL Pulse TP03 H D S W Trigger TP04 V Envelope TP05 Audio out CTL PULSE V ENVELOPE AUDIO OUT H D S W TRIGGER ...

Страница 20: ...VAILABLE Note How to use the ÒTESTÓ button 1 Disattach the inlay of remote control assÕy See Fig 5 1 and Fig 5 2 2 Press the ÒTESTÓ button with the pincers and the precise driver as shown in Fig 5 1 and 5 2 1 When using the ÒINPUTÓ button of remote control assÕy 1 Simultaneously press the ÒINPUTÓ button and Ò1Ó button in PB mode This will adjust the tracking center automatically 2 Set the tracking...

Страница 21: ...control assÕy See Fig 5 1 and Fig 5 2 2 Press the ÒTESTÓ button with the pincers and the precise driver as shown in Fig 5 1 and 5 2 1 When using the ÒINPUTÓ button of remote control assÕy 1 Simultaneously press the ÒINPUTÓ button and Ò1Ó button in PB mode This will adjust the tracking center automatically 2 Set the tracking preset using the ÒFINE ADJUST button of remote control 3 After adjustment ...

Страница 22: ...SP LPÓ button simultaneously 4 This will adjust the head S W point adjustment automatically 5 After adjustment is completed press the ÒPOWERÓ button to release 5 3 1 b IF NORMAL REMOTE CONTROL ASS Y FOR X 7 X 8 DX7 R DX7 RC DX8 R DX8 RC CHASSIS IS AVAILABLE 1 When using the ÒINPUTÓ button of remote control assÕy 1 Insert an SP tape into the housing assÕy 2 Press the ÒPLAYÓ button 3 Press the ÒINPU...

Страница 23: ...CH2 48 25 MHz Adjust the point signal level so that the output of attenuator is 70dBu Apply the output of attenuator to the ANT IN terminal of VCR Set the chaneel of VCR to CH2 Conec DC voltmeter to TP4N01 Adjust VR4L01 for DC3 5 0 1V PAL COLOR BAR SIGNAL OUT PAL PATTERN GENERATOR TV CH GENERATOR CH2 48 25MHz DC VOLTMETER ATTENUATOR Composition for RF AGC Adjustment ANT IN TP4N01 VCR TP4N01 AGC T ...

Страница 24: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly 6 2 Mechanical Parts Top Side 6 3 Mechanical Parts Bottom Side 6 4 Housing Assembly Page 6 2 6 4 6 6 6 8 ...

Страница 25: ...SC301 MAIN PCB S N A SP602 SP601 PT601A PT602A LD601A FULL DECK S N A SUB PCB S N A F TIMER PCB S N A 51 22 21 31 1 22 21 31 1 22 21 1 S N A Service Not Available SV 510X SV 611X SV 613X 610X 613F 610F 613B 109 S N A 157 CN77A CN601A CN605A TOP CABINET S N A 1 22 21 SV B150B B150X 1 22 21 SV B130G 51 31 31 ...

Страница 26: ... X X AC61 11039G AC39 10019A SWITZERLAND SV 613X AC98 11244Y AC64 50958D X X AC61 11039G AC39 10019A SV 613F AC98 11245R AC64 50958D X X AC61 11039F AC39 10019A FRANCE SV 613F AC98 11245R AC64 50958G X X AC61 11039F AC39 10019A SV 610F AC98 11245E AC64 50958A X X AC61 11039F AC39 10019A U K SV 613B AC98 11246Z AC64 50958D X X AC61 11039H AC39 12022K SPAIN SV 611X AC98 11246U AC64 50958D AC64 50959...

Страница 27: ...p Side T216 T201 T207 T300 901 920 901 T203 T209 T240 900 T239 T210 956 956 956 T208 T227 T233 957 T234 T228 T230 T229 T231 901 T233 T204 T238 T232 T225 T226 952 G T236 T211 T223 T217 T219 952 T218 T220 T221 T222 G G O G 919 T224 T212 DX7 AC DX8 AC ONLY DX7 AC DX8 AC ONLY T202 ...

Страница 28: ...3 L33 OD3 T217 AC66 30470A LEVER REC S W PBT 3300 T4 0 L32 X T218 AC61 62017A SPRING SUB BRAKE L ES SUS304 PI0 23 D3 5 T219 AC33 10003P HEAD MAGNET F E MH131S L51 05XW7 T220 AC66 82050A SLIDER G R ASSY S X 5 T221 AC66 82054A SLIDER G R ASSY T X 5 T222 AC33 10002E HEAD CLEANER X 5 OPTIONAL T223 AC66 20065A RACK HOUSING L74 29 POM M90 44 BLK M1 3 T224 AC33 10216K HEAD ACE ALL ASSY X 7A T225 AC66 800...

Страница 29: ...d View and Parts List 6 6 Samsung Electronics 6 3 Mechanical Parts Bottom Side B257 G G O B256 B254 951 951 952 918 B258 B261 B255 B260 B267 B266 B265 956 902 922 B259 B262 B253 B263 B268 B251 958 B252 G B264 ...

Страница 30: ...69A GEAR LOADING R ASSY X5 B254 AC61 60115A SPRING BRAKE CAPSTAN ES SUS304WPB PI0 4 B255 AC66 20004A GEAR MASTER POM M90 44 M 1 Z 60 SP X B256 AC31 12006A MOTOR D D CAPSTAN DMVCMC07A B257 AC66 62008A BELT CAPSTAN DLB 601 T2 8 L134 9 BLK X B258 AC66 20066A GEAR CLUTCH ASSY X 5 B259 AC66 32185A LEVER SLIDER PINCH PBT T4 NAT B260 AC66 20016A GEAR WORM WHEEL POM SW 01 M0 55 M1 Z57 B261 AC66 30011A LEV...

Страница 31: ...SECC 20 20 T1 2 L44 W32 H524 AC61 60121A SPRING LEVER LOCK ES SUS304 WPB PI0 2 D2 H526 AC66 30019A LEVER KEY CASSETTE LUCEL N109 LD T2 5 L2 H530 AC61 11033A CHASSIS SIDE L ASSY X5FL0505A H531 AC61 10004A CHASSIS SIDE L ABS HF 380 T10 BLK X H532 AC66 30004A LEVER LIGHT SHUTTER LUCEL N109 LD T2 5 H533 AC61 60142A SPRING LIGHT ES SUS304WPB PI0 2 L11 4 O H535 AC66 30017A LEVER DOOR LUCELN109 LD T3 5 L...

Страница 32: ...42 COIL LINE FILTER BSF 2120Z 25MH 3 2OHM L1S04 AC27 92001M INDUCTOR 70UH M RT BFS3565R2F L1S05 AC27 92001M INDUCTOR 70UH M RT BFS3565R2F L1S30 AC27 12001N COIL CHOKE 10UH 15 RA K 30 Q80 150KHZ L1S31 AC27 12001N COIL CHOKE 10UH 15 RA K 30 Q80 150KHZ L1S32 AC27 92001M INDUCTOR 70UH M RT BFS3565R2F L1S33 AC27 92001M INDUCTOR 70UH M RT BFS3565R2F PT1S01 AC26 20120A TRANS SWITCHING 220V UL CSA 1000UH ...

Страница 33: ... 16V GP TP 5X11MM 5 C676 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5P TP C677 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5P TP C678 2401 001915 C AL 1uF 20 50V GP TP 3x5 1mm C679 2202 000807 C CERAMIC MLC AXIAL 22NF 80 20 25V Y5V C681 2203 001557 C CERAMIC CHIP 100NF 80 20 25V Y5V TP C682 2202 000780 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5 C698 2203 001557 C CERAMIC CHIP 100NF 80 20 25V Y5V TP...

Страница 34: ...0429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm R645 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm R646 2001 000347 R CARBON 13Kohm 5 1 8W AA TP 1 8x3 2mm R647 2001 000347 R CARBON 13Kohm 5 1 8W AA TP 1 8x3 2mm R648 2007 001589 R CHIP MELF 1Kohm 5 1 8W DB BK 2012 R649 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm R651 2001 000786 R CARBON 47Kohm 5 1 8W AA TP 1 8x3 2mm R652 2001 000429 R CARBON ...

Страница 35: ...m 2mm BK C363 2203 001608 C CERAMIC CHIP 22nF 80 20 50V Y5V 2012 C364 2401 001912 C AL 1uF 20 50V GP 5x11mm 2mm BK C366 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5P TP C367 2203 001557 C CERAMIC CHIP 100NF 80 20 25V Y5V TP C368 2203 000979 C CERAMIC CHIP 47nF 10 50V X7R TP 2012 C369 2401 001912 C AL 1uF 20 50V GP 5x11mm 2mm BK C370 2301 000283 C FILM PEF 47nF 5 100V TP 7 3X7X3 2X5 5 C371 2202 0...

Страница 36: ...17 2007 001497 R CHIP MELF 5 6KOHM 5 1 8W DB BK 2012 R3A18 2001 000613 R CARBON 3 9K OHM 5 1 8 AA T R3A19 2001 000221 R CARBON 1 2Kohm 5 1 8W AA TP 1 8x3 2m R3A22 2007 001503 R CHIP MELF 47KOHM 5 1 8W DB BK 2012 R3A24 2001 000454 R CARBON 2 2Mohm 5 1 8W AA TP 1 8x3 2m R3A25 2007 001573 R CHIP MELF 20Kohm 5 1 8W DB TP 2012 R3A27 2007 001513 R CHIP MELF 4 7KOHM 5 1 8W DB BK 2012 R3A28 2007 001623 R ...

Страница 37: ...2 C3S26 2203 001696 C CERAMIC CHIP MELF 82PF 10 50V Y5P TP C3S27 2203 001135 C CERAMIC CHIP 680PF 5 50V SL TP 2012 D3S01 0401 000101 DIODE SWITCHING 1N4148 100V 200mA 500mW IC3S01 1204 001058 IC SIGNAL PROCESSOR LA7337 DIP 28P 400MI L3S02 2702 000179 INDUCTOR RADIAL 6 8uH 5 6x6 4mm L3S03 2701 000165 INDUCTOR AXIAL 27uH 5 2 4x3 4mm L3S04 2701 000195 INDUCTOR AXIAL 47UH 5 2 4X3 4MM L3S05 2701 000160...

Страница 38: ...R SOCKET 210 ANGLE SN 1 SCART JC802 AC37 22002E JACK PIN 3 5MM DPAE9634 2P TR 2 PIN JC802 AC37 20001E JACK RCA DPAE 9606 6P HIFI PI3 3 6PIN L801 2701 000181 INDUCTOR AXIAL 33UH 5 2 4X3 4MM L802 2701 000181 INDUCTOR AXIAL 33UH 5 2 4X3 4MM L803 2701 000181 INDUCTOR AXIAL 33UH 5 2 4X3 4MM L804 2701 000181 INDUCTOR AXIAL 33UH 5 2 4X3 4MM L805 2701 000181 INDUCTOR AXIAL 33UH 5 2 4X3 4MM L806 2701 00018...

Страница 39: ...000108 INDUCTOR RADIAL 100uH 5 6x6 4mm L4N03 2701 000188 INDUCTOR AXIAL 4 7UH 5 2 4X3 4MM L4N04 3301 000297 CORE FERRITE BEAD AA 3 6x1 2x5 7mm 1400 L4N06 2702 000170 INDUCTOR RADIAL 560nH 20 6x6 4mm L4N07 3301 000297 CORE FERRITE BEAD AA 3 6x1 2x5 7mm 1400 Q4L01 0501 000436 TR SMALL SIGNAL KTC3197 NPN 625mW TO 92 Q4L02 0504 000203 TR DIGITAL KSR1004 NPN 300mW 47K 47K TO Q4L03 0504 000203 TR DIGITA...

Страница 40: ...MLC AXIAL 1 5NF 30 50V Y5S TP C4N02 2401 001904 C AL 10UF 20 16V TP 4X7MM 5 C4N03 2202 000806 C CERAMIC MLC AXIAL 220PF 10 50V Y5P TP C4N04 2401 001919 C AL 2 2UF 20 50V TP 4X7MM 5 C4N05 2301 000383 C FILM PEF 10nF 5 50V 6x7x3 2mm 5mm TP C4N06 2301 000383 C FILM PEF 10nF 5 50V 6x7x3 2mm 5mm TP C4N07 2202 000263 C CERAMIC MLC AXIAL 470pF 10 50V Y5P TP C4N08 2202 000848 C CERAMIC MLC AXIAL 1 5NF 30 ...

Страница 41: ...2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R712 2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R713 2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R714 2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R715 2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R716 2001 000969 R CARBON 75ohm 5 1 8W AA TP 1 8x3 2mm R723 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm R724 2001 000429 R C...

Страница 42: ...Samsung Electronics 8 1 8 Block Diagrams Page 8 2 8 3 8 4 8 5 8 1 Overall Block Diagram 8 2 System Control 8 3 Video 8 4 Hi Fi ...

Страница 43: ...Block Diagrams 8 2 Samsung Electronics 8 1 Overall Block Diagram ...

Страница 44: ...Block Diagrams Samsung Electronics 8 3 8 2 System Control ...

Страница 45: ...Block Diagrams 8 4 Samsung Electronics 8 3 Video ...

Страница 46: ...Block Diagrams Samsung Electronics 8 5 8 4 Hi Fi ...

Страница 47: ...Samsung Electronics 9 1 9 PCB Diagrams Page 9 2 9 4 9 4 9 5 9 5 9 1 Main 9 2 SUB A2 9 3 SUB A2 NICAM SV 613F 610F Only 9 4 SUB A2 NICAM 9 5 Function Timer ...

Страница 48: ...PCB Diagrams 9 2 Samsung Electronics 9 1 Main ...

Страница 49: ...PCB Diagrams Samsung Electronics 9 3 ...

Страница 50: ...PCB Diagrams 9 4 Samsung Electronics 9 3 SUB A2 NICAM SV 613F 610F Only 9 2 SUB A2 ...

Страница 51: ...PCB Diagrams Samsung Electronics 9 5 9 5 Function Timer 9 4 SUB A2 NICAM ...

Страница 52: ...Samsung Electronics 10 1 10 Wiring Diagram 230V or 100 240V 50 60Hz ...

Страница 53: ...11 11 12 11 13 11 14 11 15 3 Block Identification of Main PCB 11 1 S M P S Power 11 2 System Control Servo 11 3 Audio Video 11 4 Hi Fi 11 5 IF 11 6 I O 11 7 SECAM SV 613F 610F Only 11 8 SUB A2 11 9 SUB A2 NICAM SV 613F 610F Only 11 10 SUB A2 NICAM 11 11 VPS PDC 11 12 Function Timer 11 13 Remote Control ...

Страница 54: ...tically 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 since this drawing was prepared Important safety notices Components identified with the mark have the special characteristics for safety When replacing any of these components Use only ...

Страница 55: ...Schematic Diagrams Samsung Electronics 11 3 11 1 S M P S POWER C1S08 82 400 Free Voltage Option ...

Страница 56: ...Schematic Diagrams 11 4 Samsung Electronics Hi Fi OPTION 11 2 System Control Servo ...

Страница 57: ...Schematic Diagrams Samsung Electronics 11 5 11 3 Audio Video Hi Fi OPTION ...

Страница 58: ...Schematic Diagrams 11 6 Samsung Electronics 11 4 Hi Fi ...

Страница 59: ...Schematic Diagrams Samsung Electronics 11 7 11 5 IF L MONO Hi Fi OPTION FRANCE OPTION ...

Страница 60: ...Schematic Diagrams 11 8 Samsung Electronics 11 6 I O ...

Страница 61: ...Schematic Diagrams Samsung Electronics 11 9 11 7 SECAM SV 613F 610F Only ...

Страница 62: ...Schematic Diagrams 11 10 Samsung Electronics 11 8 SUB A2 ...

Страница 63: ...Schematic Diagrams Samsung Electronics 11 11 11 9 SUB A2 NICAM SV 613F 610F Only ...

Страница 64: ...Schematic Diagrams 11 12 Samsung Electronics 11 10 SUB A2 NICAM ...

Страница 65: ...Schematic Diagrams Samsung Electronics 11 13 11 11 VCS PDC ...

Страница 66: ...Schematic Diagrams 11 14 Samsung Electronics 11 12 Function Timer ...

Страница 67: ...Schematic Diagrams Samsung Electronics 11 15 11 13 Remote Control ...

Страница 68: ...DX7 A DX7 AC DX8 A DX8 AC 1 Disassembly and Reassembly 2 Alignment and Adjustment VHS DECK CONTENTS MECHANICALManual 3 File with the SERVICE MANUAL Samsung Electronics Co Ltd NOV 1997 AC68 20392A ...

Страница 69: ...MAIN L ASS Y 3 GUIDE ROLLER ASS Y T 4 FULL ERASE HEAD 5 GUIDE ROLLER ASS Y S 6 CYLINDER ASS Y 7 LEVER PINCH COMP ASS Y 8 LEVER PINCH CAM 9 FULL ACE HEAD AAS Y 10 UNIT PINCH ROLLER ASS Y 11 LEVER REVIEW 12 BRAKE SUB R ASS Y 13 REEL DISK R ASS Y 14 GEAR RELAY T ASS Y 15 IDLER ASS Y 16 GEAR RELAY S ASS Y 17 REEL DISK L ASS Y 18 LEVER JOG ASS Y DX8 A AC ONLY 19 LEVER REC SWITCH 1 Disassembly and Reass...

Страница 70: ...IN L ASS Y 3 GUIDE ROLLER ASS Y T 4 FULL ERASE HEAD 5 HEAD CLEANER ASS Y DX7 AC DX8 AC ONLY 6 GUIDE ROLLER ASS Y S 7 CYLINDER ASS Y 8 LEVER PINCH COMP ASS Y 9 LEVER PINCH CAM 10 FULL ACE HEAD AAS Y 11 UNIT PINCH ROLLER ASS Y 12 LEVER REVIEW 13 BRAKE SUB R ASS Y 14 REEL DISK R ASS Y 15 GEAR RELAY T ASS Y 16 IDLER ASS Y 17 GEAR RELAY S ASS Y 18 REEL DISK L ASS Y 19 LEVER JOG ASS Y DX8 A AC ONLY 20 L...

Страница 71: ... 9 10 11 13 12 Fig 1 3 Deck Bottom Parts Location 1 LEVER SLIDE PINCH 2 BELT CAPSTAN 3 MOTOR D D CAPSTAN 4 BRAKE CAPSTAN ASS Y 5 GEAR LOADING R ASS Y 6 MOTOR CYLINDER 7 GEAR LOADING L ASS Y 8 SLIDE MAIN 9 LEVER REC SWITCH 10 LEVER IDLER CHANGE 11 CLUTCH ASS Y 12 UNIT LOADING 13 GEAR MASTER ...

Страница 72: ... and Reassembly 1 4 Samsung Electronics 1 1 4 Housing 1 2 3 4 6 5 Fig 1 4 Housing Parts Location 1 CHASSIS SIDE L ASS Y 2 UPPER CHASSIS 3 CHASSIS SIDE R ASS Y 4 SHAFT ARM ASS Y 5 HOLDER CASSETTE ASS Y 6 LEVER DOOR ...

Страница 73: ...g Assembly 1 2 1 Removal from Main Base 1 Remove 3 Screws 2 Lift the Housing AssÕy in the direction of arrow ÒBÓ while pushing the tab in the direction of arrow ÒAÓ Refer to detail drawing 3 SCREWS 1 MAIN BASE TAB A 2 Fig 1 5 Housing Ass y Removal from Main Base ...

Страница 74: ...Disassembly and Reassembly 1 6 Samsung Electronics 1 2 2 Diassembly 2 SCREWS UPPER CHASSIS CHASSIS SIDE R HOLDER CASSETTE ASS Y SHAFT ARM ASS Y CHASSIS SIDE L Fig 1 6 Housing Ass y Removal ...

Страница 75: ...ssembly and Reassembly Samsung Electronics 1 7 1 2 3 Upper Chassis Removal 1 Remove 2 Screws 2 Lift the Upper Chassis in the direction of arrow ÒAÓ 2 SCREWS UPPER CHASSIS 2 A 1 Fig 1 7 Upper Chassis Removal ...

Страница 76: ...ow ÒAÓ Refer to Fig A 2 Remove the Side Chassis ÒLÓ and ÒRÓ from Arm Shaft AssÕy in the direction of arrow ÒBÓ ÒCÓ Refer to Fig B HOLDER CASSETTE ASS Y A 1 2 4 SHAFT ARM ASS Y CHASSIS SIDE L 3 CHASSIS SIDE R SLIDE DAMPER B Fig A Fig B DETAIL REASSEMBLY OF CHASSIS SIDE R SHAFT ARM R SIDE VIEW C D SHAFT ARM R Fig 1 8 Holder Cassette Ass y and Chassis Side L R ...

Страница 77: ...9 Chassis Side R Parts Locations Note If you operate the deck when the Cassette AssÕy Holder is removed the Arm Shaft ÒRÓ and the Damper Slide are not returned to their original positions If this happens by accident push the Damper Slide of Side Chassis ÒRÓ in the direction of arrow ÒDÓ and return the Damper Slide in the reverse direction of arrow ÒDÓ when the Arm Shaft AssÕy is in eject mode ...

Страница 78: ...per Spring 2 Push the Stopper of the Side Chassis ÒRÓ Move the Damper Slide in the direction of arrow 3 Align the Damper Slide with the chassis side tab as shown detail drawing CHASSIS SIDE R CHASSIS SIDE R TAB SLIDE DAMPER 4 STOPPER 3 SLIDE DAMPER 2 SPRING SLIDE DAMPER 1 Fig 1 10 Slide Damper Removal ...

Страница 79: ... Electronics 1 11 1 3 Cylinder Ass y 1 3 1 Exploded View of Cylinder Ass y ASS Y MOTOR ROTOR ASS Y SUB CYLINDER 2 SCREWS 3 SCREWS 2 SCREWS ASS Y MOTOR STATOR ASS Y BASE CYLINDER SPRING CARBON TIP Fig 1 11 Expleded View of Cylinder Ass y ...

Страница 80: ...er in the direction of arrow ÒBÓ B TAB DETAIL A 1 STOPPER TAPE 2 Fig 1 12 Stopper Tape Removal 1 3 3 Head Cleaner Ass y Removal Only for Deck DX7 AC DX8 AC 1 Release 1 tab in the direction of arrow ÒAÓ Refer to detail drawing 2 Lift the Head Cleaner in the direction of arrow ÒBÓ ASS Y HEAD CLEANER B 2 TAB DETAIL A 1 Fig 1 13 Head Cleaner Ass y Removal Note Stopper tape has deleted from JAN 1998 ...

Страница 81: ...emoval from Main Base 1 Remove 3 Screws holding the Main Base and the Cylinder AssÕy 2 Lift the Cylinder AssÕy in the direction of arrow Note Do not touch the video heads during removal or installation 3 SCREWS 1 CYLINDER ASS Y 2 Fig 1 14 Cylinder Ass y Removal from Main Base ...

Страница 82: ...of arrow Refer to detail drawing 2 Disconnect the Holder FPC from the Cylinder Base Note When disconnecting the FPC Holder from the Cylinder Base Take care not to disconnect the FPC cable from the FPC Holder The FPC cable is very short HOLDER FPC CYLINDER BASE CYLINDER BASE HOLDER FPC DETAIL BOTTOM VIEW 2 1 Fig 1 15 Head Brush and Holder FPC Removal ...

Страница 83: ...6 Cylinder Ass y Removal from Cylinder Base 1 Remove 3 Screws from the Cylinder Base 2 Lift the Cylinder AssÕy from the Cylinder Base in the direction of arrow CYLINDER SUB ASS Y CYLINDER BASE 3 SCREWS 2 1 3 Fig 1 16 Cylinder Ass y Removal from Cylinder Base ...

Страница 84: ...emoval 1 Remove 2 Screws 2 Remove the Motor Stator from the Cylinder Sub AssÕy MOTOR STATOR CYLINDER SUB ASS Y 2 2SCREWS 1 5 SPRING CARBON TIP 3 4 Fig 1 17 Motor Stator Removal Note When disassembling the Motor Stator take extreme care not to loose the carbon tip and spring ...

Страница 85: ...Disassembly and Reassembly Samsung Electronics 1 17 1 3 8 Motor Rotor Removal 1 Remove 2 Screws 2 Lift The Motor Rotor MOTOR ROTOR DRUM SUB ASS Y 2 3 2 SCREWS 1 Fig 1 18 Motor Rotor Removal ...

Страница 86: ... Make sure that phase matching holes of the Motor Rotor and the Cylinder Sub AssÕy are aligned correctly as shown in Fig 1 19 Refer to phase matching hole 2 Secure with 2 Screws MOTOR ROTOR PHASE MATCHING HOLE DRUM SUB ASS Y 2 3 2 SCREWS 1 Fig 1 19 Assembly of Motor Rotor and Cylinder Sub Ass y ...

Страница 87: ...1 19 1 3 10 Motor Stator and Cylinder Sub Ass y 1 Reinstall the Motor Stator toward the FPC cable of Cylinder Sub AssÕy 2 Secure 2 Screws Refer to Fig 1 17 MOTOR STATOR CYLINDER SUB ASS Y 1 2 Fig 1 20 Assembly of Motor Stator and Cylinder Sub Ass y ...

Страница 88: ...sassembly and Reassembly 1 20 Samsung Electronics 1 4 Main Deck Removal and Reassembly 1 4 1 Slide Rack Housing Removal 1 Lift the Slide Rack Housing SLIDE RACK HOUSING Fig 1 21 Slide Rack Housing Removal ...

Страница 89: ...Master Gear and the hole ÒAÓ of Main Base are aligned correctly Eject mode 2 Align the Slot 1 of Master Gear with the Tooth 1 of Rack Housing Slide Refer to timing point SLIDE VIEW DETAIL A TIMING POINT SLOT 1 TOOTH 1 GEAR MASTER TOP VIEW SIDE VIEW 1 SLIDER RACK HOUSING ARM R 2 Fig 1 22 Assembly of Slide Rack Housing and Gear Master ...

Страница 90: ...nics 1 4 3 Brake Sub L Removal 1 Remove the Sub ÒLÓ Brake Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Sub ÒLÓ Brake DETAIL BRAKE SUB L 3 TAB 2 SPRING BRAKE SUB L 1 BRAKE SUB L 3 Fig 1 23 Brake Sub L Removal ...

Страница 91: ...n Full Ass y Removal 1 Remove the Tension Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Full Tension Arm AssÕy DETAIL SPRING TENSION 1 ARM TENSION FULL ASS Y 3 TAB 2 ARM TENSION FULL ASS Y 3 Fig 1 24 Arm Tension Full Ass y Removal ...

Страница 92: ...Disassembly and Reassembly 1 24 Samsung Electronics 1 4 5 Lever JOG Ass y Removal Only for deck DX8 A DX8 AC 1 Remove the 1 Screw 2 Lift the JOG Lever AssÕy ...

Страница 93: ...tail drawing 2 Lift the Reel Disk ÒLÓ 3 Remove the Plain Washer 4 Remove the Slit Washer 5 Lift the Relay ÒSÓ Gear AssÕy Note When reinstalling be sure to install the Reel Disk ÒLÓ after installing the Plain Washer DETAIL REEL DISK L 2 TAB 1 WASHER PLAIN 3 REEL DISK L 2 WASHER SLIT 4 GEAR RELAY S ASS Y 5 Fig 1 26 Reel Disk L and Gear Relay S Ass y Removal ...

Страница 94: ...e Sub R Ass y Removal 1 Remove the Sub ÒRÓ Brake Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Brake Sub ÒRÓ AssÕy SPRING BRAKE SUB R 1 BRAKE SUB R ASS Y 3 BRAKE SUB R ASS Y DETAIL 3 TAB 2 Fig 1 27 Brake Sub R Ass y Removal ...

Страница 95: ...ing 2 Lift the Reel Disk ÒRÓ AssÕy 3 Remove the Plain Washer 4 Remove the Slit Washer 5 Lift the Relay ÒTÓ Gear AssÕy Note When reinstalling be sure to install the Reel Disk ÒRÓ AssÕy after installing the Plain Washer REEL DISK R ASS Y DETAIL 2 TAB 1 REEL DISK R ASS Y 2 WASHER PLAIN 3 GEAR RELAY T 5 WASHER SLIT 4 Fig 1 28 Reel Disk R Ass y and Gear Relay T Removal ...

Страница 96: ...rection of arrow ÒAÓ Refer to detail drawing A 3 Lift the Brake Main ÒLÓ 4 Release the tab in the direction of arrow ÒBÓ Refer to detail drawing B 5 Lift the Main ÒRÓ Brake BRAKE MAIN R ASS Y 5 BRAKE MAIN L ASS Y DETAIL A DETAIL B 3 TAB A B 2 BRAKE MAIN R ASS Y 5 TAB 4 BRAKE MAIN L ASS Y 3 SPRING BRAKE MAIN 1 Fig 1 29 Brake Main L R Ass y Removal ...

Страница 97: ...Disassembly and Reassembly Samsung Electronics 1 29 1 4 10 Idler Ass y Removal 1 Remove the Slit Washer 2 Lift the Idler AssÕy IDLER ASS Y 2 WASHER SLIT 1 Fig 1 30 Idler Ass y Removal ...

Страница 98: ...Samsung Electronics 1 4 11 Unit Pinch Roller Ass y Removal 1 Remove the Slit Washer 2 Lift the Pinch Roller Unit 3 Lift the Arm Pinch Spring UNIT PINCH ROLLER 2 WASHER SLIT 1 SPRING ARM PINCH 3 Fig 1 31 Unit Pinch Roller Ass y Removal ...

Страница 99: ...g Electronics 1 31 1 4 12 Assembly of Unit Pinch Roller 1 Install the Pinch Roller Unit as shown in Fig 1 32 Refer to A B MOTOR D D CAPSTAN UNIT PINCH ROLLER SLIDER PINCH TOP VIEW B SLIDER PUSH A Fig 1 32 Assembly of Unit Pinch Roller ...

Страница 100: ...oded View of Lever Pinch Comp Ass y Lever Pinch Cam Arm Review Ass y and Lever Review Ass y LEVER PINCH COMP ASS Y LEVER PINCH CAM ARM REVIEW ASS Y LEVER REVIEW Fig 1 33 Exploded View of Lever Pinch Comp Ass y Lever Pinch Cam Arm Review Ass y and Lever Review Ass y ...

Страница 101: ...oval 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Pinch Comp Lever AssÕy Note DonÕt touch the Pinch Comp Lever AssÕy to Audio Head Base during removal LEVER PINCH COMP ASS Y 2 LEVER PINCH COMP ASS Y 2 TAB DETAIL 1 Fig 1 34 Lever Pinch Comp Ass y Removal ...

Страница 102: ...34 Samsung Electronics 1 4 15 Lever Pinch Cam Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Pinch Cam Lever LEVER PINCH CAM 2 TAB DETAIL 1 LEVER PINCH CAM 2 Fig 1 35 Lever Pinch Cam Removal ...

Страница 103: ...ion of arrow ÒAÓ and then confirm ÒBÓ Refer to detail drawing ÒAÓ 3 Release the tab in the direction of arrow and then lift the Review Arm AssÕy Note Take extreme care not to damage when removing the Review Arm AssÕy B part of detail drawing A ARM REVIEW ASS Y 2 STOPPER TAB 1 TAB DETAIL B 3 ARM REVIEW ASS Y 2 B A DETAIL A ARM REVIEW ASS Y 2 Fig 1 36 Arm Review Ass y Removal ...

Страница 104: ...d Reassembly 1 36 Samsung Electronics 1 4 17 Lever Review Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the Review Lever LEVER REVIEW 2 TAB DETAIL 1 Fig 1 37 Lever Review Removal ...

Страница 105: ...nd Reassembly Samsung Electronics 1 37 1 4 18 Belt Capstan Removal 1 Remove the Capstan Belt Note Take extreme care not to touch the grease when removing or reinstalling BELT CAPSTAN 1 Fig 1 38 Belt Capstan Removal ...

Страница 106: ...an Ass y Removal 1 Remove the Brake Capstan Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Capstan Brake AssÕy SPRING BRAKE CAPSTAN 1 BRAKE CAPSTAN ASS Y ASS Y BRAKE CAPSTAN ASS Y 3 TAB 2 DETAIL 3 Fig 1 39 Brake Capstan Ass y Removal ...

Страница 107: ...ng Electronics 1 39 1 4 20 Motor D D Capstan Removal 1 Remove 3 Screws Top view 2 Lift the Capstan D D Motor in the direction of arrow Bottom view MOTOR D D CAPSTAN 2 BOTTOM VIEW 3 SCREWS 1 TOP VIEW Fig 1 40 Motor D D Capstan Removal ...

Страница 108: ...nd Reassembly 1 40 Samsung Electronics 1 4 21 Clutch Ass y Removal 1 Remove the Slit Washer 2 Lift the Clutch AssÕy 3 Remove the Plain Washer WASHER SLIT 1 CLUTCH ASS Y 2 WASHER PLAIN 3 Fig 1 41 Clutch Ass y Removal ...

Страница 109: ...Disassembly and Reassembly Samsung Electronics 1 41 1 4 22 Gear Master Removal 1 Remove the Slit Washer 2 Lift the Master Gear WASHER SLIT 1 GEAR MASTER 2 Fig 1 42 Gear Master Removal ...

Страница 110: ...ronics 1 4 23 Assembly of Gear Master 1 When reinstalling be sure to align the arrow of the Master Gear with home Gear of the Worm Wheel Gear Refer to timing point GEAR MASTER 1 GEAR WORM WHEE UNIT LOADING 2 TIMING Fig 1 43 Assembly of Gear Master ...

Страница 111: ...isassembly and Reassembly Samsung Electronics 1 43 1 4 24 Unit Loading Removal 1 Remove 2 Screws 2 Lift the Loading Unit in the direction of arrow 2 SCREWS 1 UNIT LOADING 2 Fig 1 44 Unit Loading Removal ...

Страница 112: ...assembly and Reassembly 1 44 Samsung Electronics 1 4 25 Lever Slide Pinch Removal 1 Remove the Slit Washer 2 Lift the Slide Lever Pinch WASHER SLIT 1 LEVER SLIDER PINCH 2 Fig 1 45 Lever Slide Pinch Removal ...

Страница 113: ...of Lever Slide Pinch 1 Pull the Pinch Slide to the end in the direction of arrow 2 Insert the Pinch Slide into the hole of Slide Lever Pinch Refer to detail ÒAÓ SLIDER PINCH 1 LEVER SLIDER PINCH A 2 SLIDER MAIN SLIDER PINCH BOSS 3 Fig 1 46 Assembly of Lever Slide Pinch ...

Страница 114: ...sembly 1 46 Samsung Electronics 1 4 27 Slide Main Removal 1 Remove the Slit Washer 2 Release 3 tabs in the direction of arrow 3 Lift the Main Slide WASHER SLIT 1 SLIDER MAIN 5 TAB 2 TAB 3 TAB 4 Fig 1 47 Slide Main Removal ...

Страница 115: ...sion Control Lever and the Idler Change Lever into the Main Slide Hole Refer to detail ÒBÓ 3 After confirming the above items 1 2 install the Main Slide and secure with tabs a b c Note Be sure to assemble the Main Slide when the Loading L R Gear AssÕy is in unloading position GEAR LOADING R ASS Y GEAR LOADING L ASS Y 1 LEVER IDLER CHANGE SLIDE MAIN 4 LEVER TENSION CONTROL 3 WASHER SLIT a d b C B A...

Страница 116: ...ever Shift Spring to the claw of the Shift Lever Refer to detail drawings A B 2 Release the tab in the direction of arrow 3 Lift the Shift Lever SPRING LEVER SHIFT 1 LEVER SHIFT 3 DETAIL A DETAIL B TAB 2 SPRING LEVER SHIFT 1 SPRING LEVER SHIFT CLAW 1 LEVER SHIFT 3 Fig 1 49 Lever Shift Ass y Removal ...

Страница 117: ...1 4 30 Lever Idler Change Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the lever Change Idler LEVER IDLER CHANGE 2 TAB DETAIL TOP SIDE BOTTOM VIEW MAIN BASE 1 LEVER IDLER CHANGE 2 Fig 1 50 Lever Idler Change Removal ...

Страница 118: ...by pushing the Loading ÒLÓ Spring in the direction of arrow Refer to detail drawing B 3 Lift the Loading ÒRÓ Gear AssÕy 4 Lift the Loading ÒLÓ Gear AssÕy by pushing the tab of the Loading ÒLÓ Gear AssÕy Refer to detail drawing C GEAR LOADING L ASS Y 5 TAB DETAIL C 7 GEAR LOADING R ASS Y 2 SLIDE GEAR LOADING ASS Y T 3 SLIDE GEAR LOADING ASS Y S 6 DETAIL A DETAIL B GEAR LOADING L ASS Y 5 SPRING LOAD...

Страница 119: ... 1 4 32 Assembly of Gear Loading L R Ass y 1 When reinstalling be sure to align 2 arrow as shown in Fig 1 52 Refer to timing point ALIGN TWO ARROWS GEAR LOADING R ASSEMBLY GEAR LOADING L ASSEMBLY TIMING POINT Fig 1 52 Assembly of Gear Loading L R Ass y ...

Страница 120: ...ung Electronics 1 4 33 Slide Pinch Removal 1 Push the tab in the direction of arrow ÒAÓ Refer to detail drawing 2 Lift the Slide Pinch in the direction of arrow ÒBÓ SLIDER PINCH 2 A B TAB MAIN BASE DETAIL 1 A Fig 1 53 Slide Pinch Removal ...

Страница 121: ... 1 Remove the Slide Push Spring 2 Push the Slider in the direction of arrow ÒAÓ 3 Lift the Push Slider by pushing the tab in the direction of arrow ÒBÓ Refer to ditail drawing SPRING SLIDER PUSH 1 SLIDER PUSH 2 A SLIDER PUSH DETAIL TOP VIEW 2 TAB B 3 Fig 1 54 Slide Push Removal ...

Страница 122: ...eassembly 1 54 Samsung Electronics 1 4 35 Prism LED Removal 1 Release the tab in the direction of arrow Refer to detail drawing 2 Lift the LED Prism PRISM LED 2 PRISM LED DETAIL TOP VIEW TAB 1 Fig 1 55 Prism LED Removal ...

Страница 123: ...r Record Switch Removal 1 Remove the Record Switch Spring 2 Release the tab in the direction of arrow Refer to detail drawing 3 Lift the Record Switch Lever SPRING REC S W 1 3 LEVER REC S W 2 TAB 3 LEVER REC S W DETAIL MAIN BASE Fig 1 56 Lever Record Switch Removal ...

Страница 124: ...Disassembly and Reassembly 1 56 Samsung Electronics 1 4 37 Full Erase Head Removal 1 Remove 1 Screw 2 Lift the F E Magnet Head 1 SCREW 1 MAGNET F E HEAD 2 Fig 1 57 Full Erase Head Removal ...

Страница 125: ... the ACE Head AssÕy Magnet Assembly When reinstalling be sure to align the 3 teeth of X Position adjustment gear with the 2 slot of ACE Head Base Note When adjusting the X Position adjustment gear using driver do not adjust by force MAGNET ACE HEAD ASS Y 3 1 SCREW 2 X POSITION ADJUST ACE HEAD BAS DETAIL B TIMING POINT 1 TAB HOLDER ACE DETAIL A Fig 1 58 ACE Head Ass y Removal and Reassembly ...

Страница 126: ...ssÕy from the Main Base Refer to Fig 1 12 1 13 1 14 2 Remove the Slide ÒSÓ ÒTÓ from the Loading ÒLÓ ÒRÓ Gear AssÕy Refer to Fig 1 52 3 Move the Roller ÒSÓ ÒTÓ Guide AssÕy to slot and then lift it to remove Refer to arrow SLIDE GEAR LOADING ASS Y S SLIDE GEAR LOADING ASS Y T Fig 1 59 Slide Guide Roller S T Ass y Removal ...

Страница 127: ...hile turning the Master Gear toward arrow ÒAÓ Refer to Fig 1 60 3 Load the Loading L R Gear AssÕy to the middle position of Guide Rail by turning the Master Gear toward arrow ÒAÓ Refer to Fig 1 60 1 61 4 Install the Guide Roller S T Slide into the Rail slot and then move it to the position of Loading Gear L R AssÕy Refer to Fig 61 5 Turn the Master Gear toward arrow ÒAÓ Eject mode HOLDER CASSETTE ...

Страница 128: ...Disassembly and Reassembly 1 60 Samsung Electronics SLIDER G R ASSEMBLY S 6 GEAR LOADING L ASSEMBLY 4 GEAR LOADING R ASSEMBLY 5 SLIDER G R ASSEMBLY T 7 Fig 1 61 Assembly of Slide Guide Roller S T Ass y ...

Страница 129: ...pe transport mechanism is properly lubricated at the factory In normal use cycles and with average environmental conditions additional lubrication should not be required during the first year of operation Depending on the frequency of use and environmen tal conditions periodic lubrication may be required When lubricating first remove the old lubricant then sparingly apply new lubricant Excessive l...

Страница 130: ...M VIEW 15 GEAR LOADING R ASS Y BOTTOM VIEW 16 LEVER IDLER CHANGE BOTTOM VIEW 17 LEVER SHIFT ASS Y SPRING GUIDE BOTTOM VIEW 18 SLIDER MAIN 1 WASHER SLIT BOTTOM VIEW 19 LEVER SLIDER PINCH 1 WASHER SLIT BOTTOM VIEW 20 CLUTCH ASS Y 1 WASHER SLIT PLAIN BOTTOM VIEW 21 BRAKE CAPSTAN ASS Y BOTTOM VIEW 22 SPRING BRAKE CAPSTAN BOTTOM VIEW 23 UNIT LOADING 2 SCREWS BOTTOM VIEW 24 GEAR MASTER 1 WASHER SLIT BOT...

Страница 131: ...OP VIEW 42 SPRING REC S W TOP VIEW 43 SPRING TENSION TOP VIEW 44 SPRING SLIDE PUSH TOP VIEW 45 MAGNET ACE HEAD ASS Y 1 SCREW TOP VIEW 46 HOUSING ASS Y 3 SCREWS TOP VIEW 47 CYLINDER ASS Y 3 SCREWS TOP VIEW 48 MAGNET F E HEAD 1 SCREW TOP VIEW 49 STOPPER TAPE TOP VIEW DX7 A DX8 A HEAD CLEANER ASS Y TOP VIEW DX7 AC DX8 AC Note Stopper tape has deleted from JAN 1998 ...

Страница 132: ...Disassembly and Reassembly 1 64 Samsung Electronics MEMO ...

Страница 133: ...ntain the height of the tape guide and prevent damage do not apply excessive force onto the main base CYLINDER ASS Y 3 GUIDE SHAFT 1 GUIDE POLE REVIEW GUIDE POLE PINCH ROLLER TAKE UP REEL DISK ADJUSTING 8 GUIDE SHAFT CHECKING SUPPLY REEL DISK FULL ERASE HEAD TENSION POLE GUIDE ROLLER T GUIDE ROLLER S TILT SCREW X POSITION ADJUST GEAR HEIGHT SCREW AZIMUTH SCREW CAM TENSION Fig 2 1 Location of Tape ...

Страница 134: ...pe guide perform the tilt adjustment of the A C head See page 5 1 of the Service Manual for Test Point Locations 2 2 1 A C Head Assembly Adjustment 2 2 1 a A C 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 A B C clockwise or counterclockwise until the gap of lower tape edge and the lower edge of...

Страница 135: ...f the tape occurrs slightly turn the screw C tilt adjust on the A C Head assÕy 4 Reconfirm the A C head height Fig 2 5 Tape Guide Check 2 2 1 c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the NTSC 7KHz PAL 6KHz signal 2 Connect channel 1 scope probe to audio output test point 3 Adjust screw B to achieve maximum audio level See Fig 2 3 WRINKLE GOOD BAD A B 2 2 1 d A C HEA...

Страница 136: ...st as 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 Fig 2 6 Envelope Waveform Adjustment a a b c d c b d a 63 b c d 4 If the section A in Fig 2 7 does not meet the specification adjust the S guide roller up ...

Страница 137: ... the HÕD 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 8 9 After the adjustment is completed tighten the set screws IDEAL ENVELOPE L HEIGHT TOO HIGH GUIDE ROLLER L GUIDE ROLLER R L HEIGHT TOO LOW R HEIGHT TOO LOW R HEIGHT TOO HIGH Fig 2 8 S T Guide Roller Height Adjustment ...

Страница 138: ... the supply guide roller again 2 Change operation mode from the RPS to the play mode again and make sure the entry side of envelope rises within 3 second ENTRANCE SIDE ENVELOPE Fig 2 9 Video Envelope Rising when Operation mode Changes from RPS to Play Mode 2 2 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 sh...

Страница 139: ...the playback FPS RPS and Pause modes and observe tape wrinkle at each guide 2 If excessive tape wrinkle is observed perform the following adjustments in Playback mode 3 Tape wrinkle at the S T guide roller section Linearity adjustment 3 Tape wrinkle at tape guide flange A C head assembly coarse adjustment ...

Страница 140: ...2 3 2 Location of Tension Pole and Back Tension Adjustments 1 Remove the housing assÕy and set the deck to ÒPLAYÓ mode 2 Adjust the tension cam to 0 0 5mm from the center of supply roller 3 The back tension meter should read 41 51g cm PAL 40 47g cm Counterclockwise Torque UP Clockwise Torque DOWN F E HEAD ARM TENSION 3 0 5mm TENSION BAND CAM TENSION SPRING TENSION ADJUST FULL ASSEMBLY 10 20 30 VCM...

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