Fast-Forward Mechanism; Rewind Mechanism; Stop Control - Akai 1700 Service Manual

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FAST-FORWARD MECIIANISM
TurD lie aASZ FWD-REWIND
*no, (A) to "FAST
FWD" position, and ll's ca- (B) undcr lhc knob pushes up
the Lerer (C). The l.tler (D) moves into the spacc bctween
the Plast c Rouer lF) above the Take-Up Reel Spindle and
the uppe. part of th. rotating motor drive bushing to
transm;t the motor rotat;on to the takc-up reel spindle. At
the same tihe, Brale RoUerc lH) and (I) cone otr the reel
sp;ndle to free lr, Srrrl! Reel Sti dlelcl,rheteby allowiDT
fast windnrg ofthe tapc onto thc iakc-up rcel.
(Sec ligures 4 and 5)
F r e e R o l a r i o n F l ; g h - S p e e d R o t a t i o n
F i g . 5
F i g . 4
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REWIND MECHANISM
"f utn the FAST FWD-REtl/N,
izo, (A)ro "REWIND"
position, and the cam lB) u^det $e k\ob ptshes the Leuer
lC) up. The ldlerlDl noves into thc space betwecn the up-
per part of the rcIating Motar dtue bushing lE) and the
Interned ate Pulle,lF) to hansmit the high-speed rotation
of themotor through the interm€diate pulley to tr? Srrrll
Reet Spindte lC). At the sahe time, Brale Roll€ls (H) and (I)
come ofl the re€l spindle b tree the take-at leel spindte lJl,
ther€by rewinding the tape into rhe supply reel ar a fast
(See F;surcs 6 and 7)
High'Speed Rotation
F i g . 7
'J YO
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(a) sToP
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(b) FAST-FORWARD
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(.) REWIND
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Id) RECORDING
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STOP CONTROL
Push ihc stop lever to "STOP" positlon, Bruke Ro els
{A) and 1B) depres reel spindles to stop .otation of the reel
sp;ndles.
As thc brake rubb€r depfesses the plastic rolleG under
the .eel spindles, no triction works on the tape its€lf.
Supply R*l
Spindle
R*ind
ldle$heel Take-up Reel Spindle
NOTES :
x -marks indicates "open" and
O-ma.ks "engaged"
fig. 8
7
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