SONY VCR Manual 98030619
User Manual: SONY SONY VCR Manual SONY VCR Owner's Manual, SONY VCR installation guides
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H MECHANISM
OPERATION
MANUAL
SONY
Contents
1. Main parts layout diagram ..........................................................................................
3
2. Tape path ....................................................................................................................
4
3. Cassette IN _
5
Loading ---" Stop .................................................................................
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 ......................................................................................
M, 2_
27
1. Main parts layout diagram
Drum (M901)
ACE head
Capstan motor
(M902)
roller
FE head
sensor
End sensor-T/S LED _
Rotary encoder
(cam gear)
T reel
switch
Cassette IN
Cam motor
!
(M903)
S reel
(PH40t)
(PH402)
Fig. 1-1
-_- R17
2. Tape path
TG4
TG3
TG5
Drum (M901)
ACE head
TG6
TG7
FE
Capstan motor
(M902)
TG8
TG2
TG1
Pinch roller
Top sensor
End
S reel
T/S LED
Fig. 2-1
--
A--
T reel
3. Cassette IN --- Loading --- Stop
Left arm
Cassette
I
loading.
[
+
+
Right claw is released.
[
CassettelN
Cassette IN sw___
[
J
\
Left claw is rcleased.
lever
]
Left claw
[Cassette
holderslidesinthedirection
ofarrowmark (_)'1
Right claw
FL driving gear
i
Left arm swings and cassette
cassette IN switch.
IN lever is released form
Cassette
I
+
I
[
(see Page 7-8)
Cam molor is rotated.
[
Cassette holder
[
Worm wheel is rotated.
!
]
Right arm
Gear slide plate
Relay gear
[
Cam gear is rotated.
I
[
FL driving gear is rotated.
[
[
Gear slide plate slides.
]
[
Relay gear rotatcs to swing right/lefl
arm.
CasseHe
Fig.3-1
[
+
Cassette holder is retracted to set cassette in DOWN
position.
+
Cassette
IN switch is pressed by cassette
IN lever.
+
(Continues
to loading)
- _- G19
-
6--
G20
0 Pinch roller moves
Capstan shaft
Pendulum
compulsion
arm
O Pinch arm moves in the direction of
arrow mark _)and contacts capstan
TG8 arm
Shuttle (T)
MC roller
of arrow mark _.
Pinch roller
MC arm
gear
shaft..__e_!___
O
_
'
O
Elevator
Press gear
O Press gear and elevator gear
are rotated in the direction of
arrow mark 0.
Capstan motor (M902)
(Capstan shaft)
_
/
_,__,_!_
Pinch arm
II _
Capstan shaft
Pinch roller
An opening _) is
_,,,/_,.__.._/_'\
"_
',_
I*"/'_0 '_'1_ IL_r-_
,_'<:_=_=_/' \Press gear
\
pinch
given
pinch
press
rollor and
between
block by
gear cam.
Drum
Press gear
gear
TG1 arm
FL driving gear
Shuttle
Upper/Lower
_ Pinch\ roller is pressed in the direction
//
of arrow mark _) by the tension of spring.
/
_1 Pinch block moves in the direction of
arrow mark O through press gear cam.
gear
Tension reg_
band
RVS brake arm
brake (T)
Fig.3-2
Main brake (T)
Fixed release arm
S reel
Soft brake (S)
Main slider moves in the direction of arrow mark O,
and RKB arm pushed up by step _) moves in the
direction of arrow mark I_.
?
RKB brock
Cam motor
(M903)
T reel
Pendulum gear
Idler gear (S)
Neutrality arm
Capstan motor
Loading gear (T)
(M902)
\
Capstan brake
Drum (M901)
arm
Upper/L°wa_ ron _
I{'--"
j
gFi_nvln
RKB brock
ear -__
Main slider
Pendulum gea_
Pendulum gear
Loading gear (S)
riming belt
i_ RKB arm moves in the direction of
arrow mark i_, then RKB block moves
in the direction of arrow mark i_ to
i_
change the mesh of pendulum gear.
'gg
belt
Fixed
release arm
Cam gear ,_,_
Cam motor
(M903)
Timing belt
__
L_.L______
RKB brock
Worm wheel
RKB arm
Idler gear (S)
Fig.3-3
Fig.3-4
H3
-,o- H4
S reel
4. Stop
Playback
Capstan motor (M902)
(Capstan shaft)
Drum (M901)
Press PLAY button.
]
roller
Drum is rotating.
]
I
Capstan
motor is rotated,
l
RKB block is rotated through
dining belt (clutch ON).
Pendulum
gear is meshed
compulsion arm
with
dler gear (T) and rotated.
f
[
T reel is rotated.
J [ Pinch roller is rotated. J
Idler gear (S)
Pendulum gear
RKB brock
T reel
Idler gear (T)
Capstan motor
(M c 02)
N
/- Tension wheel
t
RKB brock --_
Tre_l_
k
_
,dlerg_;
__'.._
_.._/_
P_-nd!_
Fig. 4-1
--ll--
--12--
_ear(S)
J-
Timing belt
5. Stop -- Power OFF
I
Press power button.
I
Cam motor is rotated,
•_ If power is ON, it turns OFF
automatically about 5 minutes later.
Capstan shaft
0 Pinch block is operated and pinch roller
moves in the direction of arrow mark
until it is released from capstan shaft,
block
I Worm wheel is rotated.
I
Pinch brock
Cam gear is rotated.
Press,
L
Upper/Lower
communication gear is
rotated.
Soft brake (T)
s operated.
Main slider slides.-
Fixed release arm is
]
O Press gear is rotated in the direction of arrow mark 0
and pinch block pin pushed to press gear cam is
released from cam while pinch block moves in the
direction of arrow mark I_.
operated.
t
Pinch-block
moves in the
directionof
arrow mark
and pinch
roller is
released from
capstan shaft.
I
TG8 gear is rotated.
[
I
Press gear is rotated.
I
Main brake (S/T)
is operated.
Brake is given
to S/Freel.
[ RKB arm is ]
pressed,
Pendulum
INeutrality arm
compulsion arm [is operated.
is operated.
I
tenslon becomes weak to
Tension
regulator
make S reel
brake band
weak.
Fig. 5-2
moves down.
I
RKB block
1
[ Elevator gear is rotated. ]
I
RKB block becomes free.
I
[ Pendulum gear is released from T reel. ]
Drum (M901)
Capstan brake
Capstan motor (M902)
Elevator gear
(Capstan shaft)
/
Pinch roller/
Pinch arm
_/--//_/
//Pinch
o
block
J
j
_/_
Drum (M901)
Capstan motor
Upper/Lower
commu
gear
Press gear
Main slider
--,
Tension
band
_/
TG8 gear
Upper/Lower
Cam
_l_--_
"_'_"
communication
Fixed release
S
_/-"__
..... _-"_'-'-'--_
Main brake (S)
RKB brock
Main brake (T)
Neutrality
arm
Pendulum compulsion
arm
--13--
H7
Fixed release
arm
Solt b rake(T)
Cam moto
(M903)
Cam motor
(M903)
Worm wheel
Pendulum gear
RKB arm
Idler gear (T)
Fig. 5-1
-14--
H8
Drum (M901)
6. Playback
CUE
Capstan motor (M902)
(Capstan shaft)
•Pinch roller
I
Drum is rotating.
Capstan
I
motor is rotated at
high speed.
through timing belt.
RKB block is rotated
(clutch ON)
Pendulum
I
gear and idler gear
(T) are rotated at h gb speed.
f
Pendulum gear
|
IT reel is rotated
at high
speed.
![
Idler gear (S)
Pinch
at high roller
speed.is rotated 1
•_ Difference
T reel
Idler gear (T)
from (Stop -- Playback)
(_) Capstan motor is rotating
at high speed.
(_) Pendulum
with
Capstan motor
gear is meshed
N
(Mi02)
idler gear (T) from the beginning.
Tension
Timing belt
RKB brock
T reel
Idler gear (T)
Fig. 6-1
-- 15--
-- 16--
Pendulum gear
7. Playback -,- REW
Cam motor is rotated.
] Wonn
wheel is rotated.
Drum is rotating.
]
Pendulum
compulsion arm
Drum
I
Capstan motor (M902)
(Capstan shaft)
[
gear
gear
[
Cam gear is rotated.
TG1 arm
I
i
Brake is given to T reel by
reverse
[
I
rG8 gear
Main slider slides.
Upper/Lower
;ommunication
gear
brake ann.
l
Fixed release
/ Brake is given
[ soft
to S brake
reel by(S).
arm is operated:
Brake is given to [ S winding
S brake arm
ann is
compulsion
ann
is operated. I l capstan motor by I operated to slightly
Pendulum
capstan brake.
] rotate S reel.
]
Cam motor
(M903)
arm
(\ TG1
tension
becomes
weak. )
S reel
Soft brake (S)
gear is free on
J Pendulum
S reel only.
Pendulum gear
Idler gear (S)
T reel
RKB brock
[.Capstan motor is rotated
lin reverse at high speed.
Capstan brake
Tension wheel
Capstan motor (M902)
!
RKB block is rotated
through timing belt.
(clutch ON)
S reel
]
I
Pendulum gear is
meshed with idler gear
(S) and rotated.
slider
SrWi_ing__
S reel is rotated
in
reverse at high speed.
Main slider"-
belt
f
Pinch roller is
rotated in
reverse at high
RKB
speed.
I
When main slider moves in the direction of
arrow mark _), S winding arm pressed by
main slider cam moves in the direction of
arrow mark(_ and S reel is rotated a little
in the direction of arrow mark.
Fig. 7-1
Fixed release
arm
Cam motor
(M903)
Pendulum gear
Idler,
Fig. 7-2
Hll
-18- H12
S reel
8. Stop ---, Fast foward (FF)
When this operation is mode
before cassette tape is loaded for
playback, CUE mode is started
to read tape signal and then tape
is set in fast forward mode.
I
Cam motor is rotated.
[
J_
T
Worm wheel is rotated.
]
IT reel by soft
[
Cam gear is rotated.
I
I
Main slider slides.
]
+
+
Lbrake03.
Fixed release
arm is operated
to make TG l
arm tension
TG8 gear is
rotated.
]
I
+
Upper/Lower
communication
gear is rotated.
Drum is rotating.
I
I
Brake is given to
I
/
+
+
+
Brake is given
_rak0isgiveo
II_rakeisgiveo
I
Neutrality arm
to capstan motor
to S reel by
is operated.
IbY capstan
main brake (S).
[ to T reel by
+
]
set in clutch
main brake (T).
I
OFF by RKB
KB blockis
l
alTO.
lbrake.
weak.
i
Pendulum
Press gear is
rotated.
[compulsion arm
,r
is operated.
Trigger lever
slides.
I
I
released from
I Pinch
capstanmiler
shaft.is
Capstan brake is
released
from
capstan motor,
I
II
[ is
released
from
S reel.
released
J [ is
form
T reel.
Main brake
IN switch.
[
Cassette
Cassette
IN switch is pressed
Cassette
is ejected.
1
Left arm
FL driving gear
by
Cassette IN level
IN lever.
Cam motor stops.
]
Cassette holder
Right arm
Relay gear
Cassette
Fig. 10-4
-- 3l--
Gear slide plate
-- 32--
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