
Contents
1. Main parts layout diagram .......................................................................................... 3
2. Tape path .................................................................................................................... 4
3. Cassette IN --_ Loading --_ Stop ................................................................................. 5
4. Stop --_ Playback ...................................................................................................... 11
5. Stop --_ Power OFF .................................................................................................. 13
6. Playback --_ CUE ..................................................................................................... 15
7. Playback --_ REV ..................................................................................................... 17
8. Stop --_ Fast forward (FF) ........................................................................................ 19
9. Stop --_ Rewind (REW) ............................................................................................ 23
10. Stop --_ Unloading --_ Eject ...................................................................................... 27
1-16

1. Main parts layout diagram
FE head
End sensor--
T/S LED -_
Cassette IN
switch _ /
S reel
Pinch roller
T
S reel sensor
(PH401)
Top sensor
Rotary
encoder
ot.._.Q____.__.........,I,_ L__ (cam gear>
_ [_ _ I_ "_" T reel
\ _ Cam motor
', (M903)
T reel sensor
(PH402)
Fig. 1-1
3 1-17

2. Tape path
TG4 TG5 ACE head Capstan motor
S reel T/S LED T reel
Fig. 2-1
4

3. Cassette IN -- Loading--- Stop
Cassette loading.
Right claw is released.
Left claw is released.
I
I
5
ICassottchol_e,s,_cs,nthe_,rcc,ono_a_owma_k0.r
Left arm swings and cassette IN lever is released form I
|
cassette IN switch.
I
I Cam motor is rotated. [
1
[ Worm wheel is rotated. [
[ Cam gear is rotated. [
I FL driving gear is rotated. [
i Gear slide plate slides.
I Relay gear rotates to swing right/left arm.
t
Cassette holder is retracted to set cassette in DOWN
position.
Cassette IN switch is pressed by cassette IN lever.
(Continues to loading)
(see Page 7-8)
Cassette
Cassette IN switch
Leftclaw
IN lever
Leftarm
Cassette IN levi
Cassette holder
Cassette
Fig.3-1
Right claw
FLdriving gear
Right arm
Gear slide plate
Relay gear
1-20
-_- 1-19 6

€
FL driving
gearisrotated.
ICassetteiNoperation,i
(seePages 5, 6)
TGI armloading.
(From cassette compartment operation)
I Cammotor is rotated. I
[ Wormwheel is rotated. I
[ Cam gearis rotated. [
Softbrake (T) i
is released I
form T reel. [
I
Main slider slides.
ILoading gear
(S) isrotated.
I
(T) is rotated.[I to T reel from I
1 [ main brake(T).[
I ixed releasearm isoperated.
I
Brakeisgiven
to S reel from
tension
regulatorband.
Shuttle(S)loading.
I Shuttle(T)
loading.
I Dmm cleaningby MC roller.
Main brake
(T) is released
fromTreel.
Soft brake
(S)is
released
from S reel.
€
RKB block is
clutched(ON)
by RKB arm.
f !
["Capstan I [Pendulum
[brakeis I compulsionarm
Ireleased I isoperated.
[fromcapstanI[Pendulumgear'_
| is free on T reelI
\ side only.
€
TG8arm
loading.
Upper/Lower
commu'nication
gear is rotated.
t
i
TG8gear is I
I
rotated.
] :°22
Elevator gear
is rotated.
L
Pinchroller ]
moves down.
Brake is given toT
reel fromreverse
brake arm and
released
immediately.
Pinch roller
contacts
capstanmotor.
I II
RKB block is [
1
rotatedthrough
I
timingbelt.
Pendulumgear
engages idler
gear(S) and is
rotated.
S reel is rotated.
tape slack is /
removed. !
Capstan motor
is rotated in
reverse.
I RKBblockis ]
rotated through
timingbelt.
Pendulumgear is l
releasedfrom
idler gear(S).
l apstan motor
stops.
Drum is
rotated.
I