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 ...............
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 °...
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.
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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-...
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.
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press plate M slider Fig. 3-3 Pinch roller_.._ Shaft of pinch -Torsion spring (pinch) Pinch press plate...
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...
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_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...
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_.
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_,...
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.
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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.
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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).
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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...
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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)
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.
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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...
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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...
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.
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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.
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.
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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.
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...
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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...
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.
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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 -...
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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.
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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 -...
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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 -...
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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 -...
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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.
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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.
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® 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(_).
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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 -...