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Sony B Mechanizm Operation Manual

Mechanism deck for video8.
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Video8
B MECHANISM
OPERATION MANUAL
l_!MECHANISM
DECK

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Table of Contents

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   Summary of Contents for Sony B Mechanizm

  • Page 1 Video8 B MECHANISM OPERATION MANUAL l_!MECHANISM DECK...
  • Page 3: Table Of Contents

    CONTENTS 1. Main parts layout diagram ............... 2. Operation of main parts ................3. Operation of each part ................3-1. Driving of LS chassis ..................3-2. Driving of pinch roller ..................3-3. Driving of tension regulator and TG1 ............3-4. Driving of S reel and S ratchet ...............
  • Page 4: Main Parts Layout Diagram

    1. Main parts layout diagram REC proof switch (S001) T reel Cassette down switch (soo2) Sensor S reel Capstan moto (M902) Sensor S Pinch roller gear Drum (M901) Rotary encoder Loading motor (sg01) (M903) Fig. 1-1...
  • Page 5: Operation Of Main Parts

    2. Operation of main parts I Loading motor (M903) rotates. IWorm _ha_ and,o_ _ro_os. I Rotary encoder rotates. Tension regulator plate 1 moves in the direction of arrow. M slider slides in the direction of I direction of arrow. I GL arm moves in the arrow °...
  • Page 6: Operation Of Each Part

    3. Operation of each part 3-1. Driving of LS chassis Cam gear rotates. LS arm moves. M slider moves in _) direction after first slightly moving in (_ direction. Pinch press plate moves in_)direction after first slightly moving in(_) direction. LS chassis moves.
  • Page 7 GL slider GL arm__ _oo_._ @r_,_ " "" Pinch press plate Cam gear_-iS Fig. 3-1 Guide T (TG3) Pinch roller Guide S (TG2) _(_uide rail Stopper T i Viewed from the rear. I Fig. 3-2 LS chassis assembly -'7-...
  • Page 8: Driving Of Pinch Roller

    3-2. Driving of pinch roller M slider moves in the direction of arrow. Pinch press plate moves in the direction of arrow Shaft of pinch roller arm is pushed with pinch press plate at(_portion. Pinch roller moves in the direction of arrow to be pressed with capstan shaft.
  • Page 9 press plate M slider Fig. 3-3 Pinch roller_.._ Shaft of pinch -Torsion spring (pinch) Pinch press plate...
  • Page 10: Driving Of Tension Regulator And Tg1

    3-3. Driving of tension regulator and TG1 Rotary encoder rotates. I TG1 moves in the direction of arrow(_as LS chassis moves. TG1 shaft touches on(_laortion. then it moves in the direction of I arrow_. Tension regulator plates 2 and 1 move in_:lirection, Rotary enc_ler further rotates and tension...
  • Page 11 _Rotaryencoder Tension regulator (S901) plate 2 Tension regulator/ plate 1 Fig. 3-5 ® ® TG1 moves in the direction of arrow(_as LS chassis moves. Tension regulator band regulator plate 2 "Tension regulator plate I...
  • Page 12: Driving Of S Reel And S Ratchet

    3-4. Driving of S reel and S ratchet M slider moves in the direction of arrow I as cam gear rotates. S ratchet shaft touches M slider on® portion, then S ratchet moves in the direction of arrow(_). S ratchetreleaseplatemoves in the directionof arrow_.
  • Page 13 S ratchet shaft © LSarm S me| S ratchet retease plate S ratchet -i'enslonspring M slider...
  • Page 14: Driving Of T Ratchet And T Soft Gear

    3-5. Driving of T ratchet and T soft gear M slider moves in the direction of arrowl_ in no time followed by movement in the reverse direction. T soft claw and T soft spring M slider pushes T ratchet on® portion and T ratchet moves in move in the direction of arrowO, the direction of arrow_,...
  • Page 15 T soft claw T ratchet slider © T soft gear Tension spring T soft spring Fig. 3-9 T reel soft spring Tsoft soft gear M slider...
  • Page 16 IMemol ............. • ..o ... o°o° ......................... , ......... • ....°°.°o° ............_ ..o°°°o ....° ..o.0.ooo ..°..°,°,o°_,.°o°° ..............÷°o°................o..°ooo ............................_ ............o .._ ..
  • Page 17: Operation In Each Mode

    4. Operation in each mode 4-1. Cassette IN ====_ STOP Loading motor (M903) rotates. Rotary encoder and cam gear rotate via gear A. •I LS arm moves in the direction of arrow. I M slider moves firstly in _) direction, subsequently in (_) direction.
  • Page 18 Drum (M901) rotates. Capstanmotor (M902) retains. I through timing belt. T reel slightly rotates in the direction of arrow. [ Gooseneck gear moves in the direction ] of arrow® to gearinto S reel. Capstan motor (M902) stops. moves in the direction of arrow (1_, 7reel followed by immediate releasing.
  • Page 19 Cassette compartment * When cassette compartment is depressed in the directionof arrowO, claw on(_)portionin cassette compartment touches EJ arm at(_ direction of arrow(_). This operation is portion so that EJ arm moves in the locked cassette compartment and turns ON cassette down switch down switch (S002), drum (M901) and Cassette down (S002).
  • Page 20 Capstan motor (M902) Loading motor Drum (M901) (M903) HC roller GL slider Gear Rotary € belt press plate Tension regulator plate I Tension regulator plate 2 LS arm Change gear M slider Relay gear Fig. 4-2 Mechanism chassis assembly Pinch roller Guide S Guide T Tension regulator...
  • Page 21 Loading motor Drum Capstan motor(M902) (M903) GL slider HC roller Gear Rotaryencoder press plate T (TG3) Guide S reel Tension regulator ratchet band S ratchet release plate T softspnng S reel Gooseneck T softgear S ratchet gear LS arm boss T softclaw Capstanmotor(M902) Loading motor(M903)
  • Page 22 22.°...
  • Page 23: Stop Pb

    4-2. STOP ,====_ Loading motor (M903) rotates. rotate via gear A. Rotary encoder and cam gear Tension regulator plates 1 and 2 [ M slider slides in the direction move in the direction of arrow _)[ of arrow, allowing pinch press in conjunction with the rotation plate to move in the direction of arrow.
  • Page 24 Drum (M901) rotates. T ratchet and S ratchet move in [ I Capstan motor(M902) rotates in I each direction of arrows as M •I the direction of arrow. slider moves. Change gear and relay gear respectively rotate via timing belt. Pinch roller rotates in the Gooseneck gear rotates in the...
  • Page 25 Loading motor (M903) Drum (M901) Capstan motor (M902) Gear Rotary belt Tension regulator plate I Tension regulator plate 2 Pinch press plate Change gear M slider Relay gear Fig. 4-5 Mechanism chassis assembly Loading motor (M903) Drum (M90t) Capstan motor (M902) roller Tension regulator band...
  • Page 26 ....ooo ..oo....oo....o.oo..oo.oo:..o..... o..oo ......° 26...
  • Page 27: Stop

    4-3. STOP ====_ I Loading motor (M903) rotates. rotate via gear A. Tension regulator plates 1 and 2 M slider slides in the direction move in the direction of arrow (_)l of arrow, allowing pinch press in conjunction with the rotation plate to move in the direction of arrow.
  • Page 28 Drum (M901) rotates. T ratchet and S ratchet move in Capstan motor(Mg02) rotates in the direction of arrow. each direction of arrows as M slidermoves. Change gear and relay gear respectively rotate via timing belt. Pinch roller rotates in the Brakes for T reel and S reel are released, allowing free rotation.
  • Page 29 Loading motor (M903) Drum (M901) Capstan motor (M902) © Rotary g belt Tension plate I Tension regl plate 2 Pinch press plate Change gear M slider Relay gear Fig. 4-7 Mechanism chassis assembly Loading motor (M903) Drum (M901) Capstan motor (M902) miler Tension regulator band...
  • Page 30 ........... , ..,°°,., .., ..°°°°,°,,,°°°° ..°.°°_ ..° ....... • ..• ..... ° ....... : ..° ..°,°,,,°,°°°°o°° ..°°°°°,° ... °°° ..° .._°°,°,°°,°°°° ..° ..° ..° ..° ........... •...
  • Page 31: Stop Ff

    4-4. STOP ,=====_ FF Loading motor (M903) rotates. I rotate via gear A. Tension regulator plates 1 and 2 I M slider slides in the direction of arrow, allowing pinch press move in the direction of arrow (_)1 in conjunction with the rotation plate to move in the direction of arrow.
  • Page 32 Drum (M901) rotates. Capstan motor (M902) rotates T ratchet and S ratchet move in in the direction of arrow at the each direction of arrows as M slider moves. high speed. Change gear and relay gear respectively rotate via timing belt.
  • Page 33 Loading motor (M903) Drum (M901) Capstan motor (M902) Gear © Rotary g belt Tension re_ plate I 'Tension regulator plate 2 press plate. Change gear M slider Relay gear Fig. 4-9 Mechanism chassis assembly Drum (M901) Capstan motor (M902) Loading motor (M903) Pinch roller Tension regulator band...
  • Page 34 ..............................°.... o°.° ...., ..............° ..° ..° .... °°._ ..........o ........-. ° °-......° ..........° ..- 34-...
  • Page 35: Stop ,_> Rewind

    4-5. STOP ,_> REWIND Loading motor (M903) rotates. rotate via gear A. Rotary encoder and cam gear M slider slides in the direction ITension regulator plates 1 and 2 I ®l move in the direction of arrow of axrow, allowing pinch press plate to move in the direction in conjunction with the rotation...
  • Page 36 Drum (M901) rotates. T ratchet and S ratchet move in in the direction of arrow. Capstan motor (M902) rotates each direction of arrows as M slider moves. respectively rotate via timing Change gear and relay gear belt. Brakes for T reel and S reel are Pinch roller rotates in the Gooseneck gear rotates in the...
  • Page 37 Drum (M901) Capstan motor (M902) Loading motor (M903) © Rotary belt Tension reg_ plate 1 Tension regulator plate 2 " press plate M slider Change gear Relay gear Mechanism chassis assembly Fig. 4-11 Capstan motor (M902) Drum (M901) Loading motor (M903) Pinch roller TG1 i Tension regulator...
  • Page 38: Pb =====_ Cue

    4-6. PB _ at the high speed. Capstan motor (M902) rotates Gooseneck gear rotates at the high speed via timing belt, change gear and relay gear. I Pinch roller rotates at high speed. I * This operation allows high * This operation winds tape around T reel.
  • Page 39 Drum (M901) Capstan motor (M902) belt Change gear Relay gear Fig. 4-13 Mechanism chassis assembly Drum (M901) Capstan motor (M902) roller gear Fig. 4-14 Mechanism chassis and LS chassis assembly - 39 -...
  • Page 40 4-7. PB ====_ REVIEW I Capstan motor (M902) reversely rotates at the high speed. ITiming belt, change gear and Irelay gear reversely rotates at the Ihigh speed. [TGI slightly moves I Gooseneck gear moves in the direction of arrow to contact ]in the direction of with S reel, then, rotates in the ] arrow.
  • Page 41 Capstan motor (M902) belt Change gear Relay gear Fig. 4-15 Mechanism chassis assembly, Drum (M901) Capstan motor (M902) rol_r Tension regulator bend Gooseneck gear S reel T reel Fig. 4-16. Mechanism chassis and LS chassis assembly -41 -...
  • Page 42 4-8. PB _ PAUSE Capstan motor (M902) stops. relay gear stop their rotation. Gooseneck gear and T reel Pinch roller stops rotating. stop rotating. * This operation stops tape running. NOTE • Drum continues rotating without stopping the rotation. - 42 -...
  • Page 43 Capstan motor (M902) Change gear Relay gear Fig. 4-17 Mechanism chassis assembly Drum (M901) Capstan motor (M902) roller g6ar Fig. 4-18 Mechanism chassis and LS chassis assembly - 43 -...
  • Page 44 °°......... oo°o ..• .... o ................°.., .........._,,°o ............• ....o ..........• .... o,o°oo ..o°°..o°° ..o ........o°o..............° ....oo..°o,° ... °o ............. oo., ...
  • Page 45 4-9. STOP _====_ EJECT Loading motor (M903) rotates. Rotary encoder rotates in the direction of arrow _) via gear A. Cam gear rotates in the direction ITension regulator plates 1 and 2 of arrow (_. move in the direction of arrow. M slider moves slightly in the direction I of arrow (_), then, reservely moves.
  • Page 46 Drum (Mg01) rotates, Capstan motor (M902) rotates. Gooseneck gear rotates in the direction of arrow via timing belt, change gear and relay gear. € of arrow to release T reel from T ratchet moves in the direction 1 braked condition. T reel rotates in the direction of arrow.
  • Page 47 Loading motor Drum (M901) Capstan motor (M902) (M903) Gear © belt Tension reg_ plate 1 Tension regulate 'inch press plate 2 plate GL slider Cam gear Change gear M slider Relay gear Fig. 4-19 Mechanism chassis assembly -4?-...
  • Page 48 Capstan motor(M902) Drum (M901) Loading motor (M903) HC roller Guide T (TG3) Guide S © roller Geai Tension reg band RVS arm T softspring T reel T softclaw S reel T soft gear Capstanmotor (M902) Drum (M901) Loading motor(M903) Pinch roller S reel T reel Fig.
  • Page 49 ® Cassette compartment * EJ arm moves in the direction of arrow(_)to push claw on(_portion in cassette compartment by EJ arm at@portion so that the claw is releases. When released the lock, the whole cassette compartment is lifted up in the direction of arrow(_).
  • Page 50 SONY. Eng_h 95K0593-1 Sony Corporation Printed in U.S.A. 9..973-80-1-31 @1995.11 Consumer A&V Products Company Personal Products Div. Published by Personal A&V Products Div. Quality Engineering Dept. - 50 -...

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