Sony SLV-L4CS, SLV-L4PA, SLV-L6HFCS, SLV-L6HFMX, SLV-L6HFPL Operation Manual

i:I

H MECHANISM

OPERATION MANUAL

S

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

Pinch roller moves Capstan shaft _ Pinch arm moves in the direction of
down in the direction _ _ / arrow mark_ and contacts capstan

ofarrowmarkt_..._7/_'_...._ L shaft. /

H _C_, _ "_ 9!,_7_--_ Capstan shaft

t_,/L I "_ /1 _ _ h'_'_ "-pinch r°ller
"" _r--_ll ,Jill _ _ _'_,_11 An opening(_ is

un n given between

Elevator gear ,-----F.L_._'\" f' _,./_ _,/,_'\ "_ '-_ pinch rollor and

_" _ \Press ear _Y_/_ \Pressgear pinch block by

" g ""_ / ..... _- press gearcam.

O Press.gea! andele.vato[ gear // _ Pinch'rolleris pressed in the direction

are ro_a_eei_tne direction or // ofarrow marki} by the tension of spring.
arrow mark U. ,/ -

Pinch block moves in the direction of
arrow mark _)through press gear cam.

Fig,3-2

Main slider moves in the direction of arrow mark O,
and RKB arm pushed up by step (_)moves in the

direction ofarrow mark I_).

_ Mainslider

?

arm

brock

,Timing belt

Pendulum g

Pendulum gear

RKB brock

I

!_ RKB arm moves in the direction of

arrow mark e, then RKB block moves
in the direction of arrow mark _) to
change the mesh of pendulum gear.

Timing belt

Fig.3-3

Shuttle (T)

Drum (M901)

TG1 arm

Shuttle (S)

Tension regulator
band

Fixed release arm

Soft brake (S)

Pendulum Capstan motor(M902)
compulsion (Capstan shaft)

arm

TG8 arm Pinch roller

MC roller MC arm

Upper/Lower
communication

gear

FLdriving gear

Cam gear

Cam
(M903)

S reel T reel

Pendulum gear

Idler gear (S) Neutrality arm

Capstan motor

(M902)

/

Loading gear (T)

Capstan brake

Idler gear (S)

Worm wheel

Drum (M901)

_r!__,

S reel

gear

Pinch arm

Fig.3-4

gear

gear

driving gear

Upper/Lower

communication
gear

RVS brake arm
Soft brake (T)

Main brake (T)

Cam motor
(M903)

Loadinggear (S)

Main slider

Timing belt

_____ Fixed

release arm

- - J4

4. Stop --* Playback

ID'_m'sr°t_'_n_"I l

Press PLAY button. [

Capstan motor is rotated.

RKB block is rotated through I

timing belt (clutch ON).

Pendulum gear is meshed with
idler gear (T) and rotated.

T reel is rotated.

I

f

--11--

,: Drum

M901)

Capstan motor (M902) , 1

(Capstanshaft)

J

RKBbrock

T reel

Idlergear (T)

.._...j Pinchroller

Pendulum
compulsionarm

Capstan motor

RKBbrock

T re/_el

(M_02)

/

Idlergear (T)

Pendulumgear

Idler gear (S)

Tensionwheel

Timing belt

Fig. 4-1

5. Stop --+Power OFF

I Soft brake(T)

is operated,

' Presspower button.

I Cam motor is rotated. }

[ Wormwheelisrotated[

[ Camgear is rotated. [

Upper/Lower
communicationgearis
rotated.

+

[ TG8gear is rotated, ]

I Pressgearisr°'ate_,i

Elevatorgear is rotated.

'_ If power is ON, it turns OFF

automatically about 5 minutes later.

I _ai_s,i_er_._o_-I

ainbrake s 'IIRKOp e,,e isI en°u,um

is operated. I compulsionarm

[is operated,

_ .....

Neutralityarm
is operated.

Fixedreleasearm is

operated,

+

Tensionregulatorband I

i

iensionbecomesweakto

ImakeS reelbrake weak.

Pinch-block [
movesinthe

directionof
arrowmark
andpinch

mileris
releasedfrom

capstanshaft.

1

Brakeis given [RKBblock ]

toS/I" reel. movesdown.

t

[

RKBblock becomesfree. I

Pendulumgearis releasedfrom Treel. ]

Capstan shaft

• Pinch block is operated and pinch roller
moves in the direction ofarrow mark O

until it is released from capstan shaft. ,,_ \

Pinch brock pin J_

./

Press gear cam/

j Pinch block

O Press gear is rotated in the direction of arrow mark O

and pinch block pin pushed to pressgear cam is
released from cam while pinch block moves in the
direction of arrow mark !_.

Fig. 5-2

Tension regulator
band

Fixed release arm

S reel

Capstan motor (M902) Elevator gear

Drum !M901) (Capsta_n shaft) Pinch roller/., Pinch arm

Main brake (S) RKI3brock Mainbrake (T)

Pendulum compulsion Neutralityarm
arm

_'ig.s-1

Capstan motor _

Upper/Lower

commt

gear

Cam

Cam motor
(M903)

Capstan brake Drum (M901)

R

Worm wheel Pendulum gear

Idler gear (T) RKB arm

Main slider

Fixed release
arm

J7 -13- -14- J8

6. Playback CUE

Drum is rotating. I

I

Capstan motor is rotated at I
high speed.

I

,1

RKB block is rotated
through timing belt.

(clutch ON)

Pendulum gear and idler gear I

!

I

(T) are rotated at high speed. I

IT reel is rotated at high speed. I / Pinch roller is rotated

I i

L

at high speed.

•_ Difference from (Stop -" Playback)

(!) Capstan motor is rotating at high speed.

(g) Pendulum gear is meshed with

idler gear (T) from the beginning.

1

RKBbrock

RKBbrock

T reel

Drum(M901) Capstan motor (M902)

(Capstan shaft)

Pinch roller

Pendulumgear Treel

Idlergear (S) Idlergear (T)

Capstan motor

(Mi02)

Idlergear (T) Pendulum gear

Tension

/ wheel

___ Timing belt

Fig. 6-1

7. Playback ---,REW

Cam motor is rotated. [

[ Worm wheel is rotated. ]

[ Cam gear is rotated. ]

I

reverse brake arm.

l Fixed release

arm is operated.

Brake is given to T reel by [

TG1 tension )

becomes weak.

Brake is given
to S reel by
soft brake (S).

Main slider slides.

Pendulum I
compulsion [
arm is operated. [

Pendulum
gear is free on

S reel only.

Drum is rotating.

I

Brake is given to
capstan motor by
capstan brake.

I

S winding arm is
operated to slightly
rotate S reel.

Capstan motor is rotated
in reverse at high speed.

S winding\
arm

Mainsliderj

S reel

When main slider moves in the direction of
arrow mark ®, S winding arm pressed by

main slider cam moves inthe direction of
arrow mark _ andS reel is rotateda little
in the direction of arrow mark.

RKB block is rotated
through timing belt.

(clutch ON)

"i

Pendulum gear is
meshed with idler gear
(S) and rotated.

S reel is rotated in
reverse at high speed.

_r

Pinch roller is

rotated in
reverse at high
speed.

Fig. 7-1

Drum

Fixed
arm

RKB

Pendulum
compulsion arm

Capstan motor (M902)

(Capstan shaft)

TG1 arm

S reel Pendulum gear Treel

Soft brake (S) Idler gear (S) RKB brock

Capstan brake

/ Tension wheel

Capstan motor (M902)

Cam motor
(M903)

Pendulumgear

Idler g_ear(S)

S reel

Fig. 7-2

roller

Elevator gear

gear

TG8 gear

Upper/Lower

communication
gear

RVS brake arm

-- Cam motor
(M903)

Main slider

_gbelt

release

arm

Jll J12

8. Stop --, Fastfoward (FF)

•_ When this operation is mode
beforecassette tape is loaded for
playback, CUE mode is started
to readtape signaland then tape
is set in fast forwardmode.

Brakeis given to

T reel by soft
brake (T).

Upper/Lower
communication

gear is rotated.

TG8 gear is
rotated.

Pressgear is
rotated.

Pinch roller is
released from

capstan shaft.

I Cam motor is rotated. [

I Worm wheel is rotated. I

I Cam gear is rotated. I

I Main slider slides. [

Fixed release
arm is operated

to make TG1
arm tension
weak.

Brake is given
to capstan motor
by capstan
brake.

v

Capstan brake is
released from
capstan motor.

Brake is given [
to S reel by ]
main brake (S).]

Main brake (S)
is released
from S reel.

Brakeis given I
to T reel by [
main brake if).]

Main brake (T)
isreleased
form T reel.

Drumis rotating. ]

r

Pendulum
compulsionarm
is operated.

Neutrality arm ]

is operated.

,f

I r e everlslides.

I

Pendulumgear is locked )

inthe center between
S reel and T reel.

Neutrality arm is ]

operated again.

I

Pendulum
compulsion arm

is operated.

Pendulumgear is free on

S reel or T reel. )

I

RKBblock is
set in clutch
OFFby RKB

arm.

ICapstan motor is rotatedat [

high speed.

RKB block is rotated
through timing belt.

Pendulum gearis meshed
with idler gear (T) and
rotated.

T reelis rotated at high

speed.

Pendulum

compulsion

arm

Drum (M901)

\

Capstan motor (M902)

TG8 gear (Capstan shaft) Pinch roller

Mainbrake (S)

Fixed release
arm

S

Pendulum gear T reel

RKB brock Idler (T)

Upper/Lower

communication

gear

Cam gear

RKB brock

Cam motor
(M903)

Capstan motor

(M902)

Worm wheel

T reel

Capstan brake Drum (M901)

Tension wheel

Trigger lever RKB arm

Pendulum gear Idler(

Fig. 8-1

gear

Pinch block
Press gear
Upper/Lower

_mmunication

gear

Neutrality arm
Mainbrake (T)

brake (T)

Cam motor
(M903)

Main slider

Timing belt

Main brake (S)

Fixed release
arm

J15 J16

I

9. Stop -_ Rewind(REW)

T reelby soft II

brake (T). 11

I

•_ When this operation is mode l
before cassette tape is loaded for

I

playback, REV mode is started
to read tape signal and then tape

I

is set in rewind mode. I

I

Upper/Lower

communication
gear is rotated.

TG8 gear is
rotated.

Press gear is
rotated.

Fixed release
arm is operated

to make TG1

arm tension
weak.

Pinch roller is
released from
capstan shaft.

I

Brake is given
to capstan motor
by capstan
brake.

Cammotor is rotated.

Worm wheel is rotated.

1

Cam gear is rotated.

Main slider slides.

I

I

I
I

I

Brakeis given
to S reel by
main brake (S).

Capstan brake is [
released from [

capstan motor. [

,f

Main brake (S)
is released
from S reel.

I

Brake is given
toT reel by
main brake (T).

I

Main brake (T) [

1

is released
form T reel.

Drum is rotating.

Triggerlever
slides.

I

I

I

Neutralityarm
is operated.

r

Neutrality arm is
operated again.

I

_f

IPendulum [

compulsion ann
is operated.

Pendulumgear is locked \

)

in the center between
S reel and T reel.

Pendulum [

compulsion ann
is operated.

Pendulum gearis free on )S reelor T reel.

RKBblock is
setin clutch

OFF by RKB

alT0.

I

Capstan Motor is rotated
in reverse at high speed.

RKB block is rotated
throughtiming belt.

Pendulum gearis meshed
with idler gear (S) and

rotated.

S reel is rotated inreverse at high speed.

!

I

q

q

q

Pendulum
compulsion

arm

Drum (M901)

\

Main brake (S)

Fixed release.
arm

S reel

Idler gear (S)

Capstan motor

(M902)

Upper/Lower

communication
gear

Cam,

RKB brock

Cam motor
(M903)

Worm wheel

Idler gear (T)

Capstan motor (M902)

(Capstan shaft)

TG8 gear Pinch roller

RKBbrock T reel

Pendulum gear

Capstan brake Drum (M901)

Tension wheel

Pendulum gear RKBarm

Idler _ear (S) S reel

Fig. 9-1

gear

Pinch block
Press gear

Upper/Lower

)mmunication

gear

LJtralityarm

Main brake (T)

Soft brake (T)

Cam motor
(M903)

slider

Timing belt

Trigger lever

Main brake (S)

Fixed release
arm

!l'!_ip,

10. Stop -* Unloading Eject

Brakeis given
to capstan
motor by
capstanbrake.

S winding arm is

operated to rotate

S reel a little.

I am motor is rotated. [

I wormwheelisrotated.[

I am ea s otat I

[ Main slider slides. [

I

Brake is given[ Fiaxed
to S reelby [ release arm
softbrake (S). ! is operated.

TG1 arm [

unloading.

Tension regulator
band releases the

IBrakeis given

to T reel by
main brake (T).

brake from S reel.

Drum is rotating. I

Main brake (T)
]is released from
IT reel.

I Loading gear

(T)is rotated.

1

,I

Loading gear I
(S) is rotated.I

__3

Shuttle(S)
unloading.

Shuttle (T)
unloading.

k rum

cleaning by
MC roller.

Pendulum [Reverse brake
compulsion [arm gives
arm _s operated, ibrake to T reel

Pendulum gear \ /andis released
is free on S reel | [immediately.

only. /

RKBblock is
set in clutch
OFF by RKB

arm.

Upper/Lower [
communication gear is [
rotated. I

I

[Press gear is rotated. I

I

Pinch rolleris [Elevator gear is

released from Irotated.1

capstan motor.

IPinch roller moves up. I

r

I C_pa_e7mOtOris .I

RKBblock is
rotated through
timing belt.

(clutch ON)

Pendulum gear is
meshedwith idler

gear (S) and rotated.

( Tape is wound )

into cassette.

,l

[Capstan motor stops. I

IFL driving[ / Brakeis [

gearis givento [
rotated. T reelby [

softbrake[

(T). [

I oC;ratiUoenOUT1

(seePage 31, 32)

II

Shuttle (S)

TG1 arm

Pendulum
compulsion Capstan motor (M902)

arm MC arm (Capstan shaft)

Shuttle (T) TG8 arm Pinch roller

Elevator gear

Pinch arm

Press gear

Tension regulator
band

Fixed releas,

arm

S reel Pendulum arm T reel

Soft brake (S) Idlergear (S) RKB brock

gear

Upper/Lower
communication

gear
FL driving gear

RVS brake arm
Soft brake (T)
Main brake (T)

Cam motor
(M903)

Upper/Lower

communication
gear

C

FL driving gear

Cam gear -_

J

Cam motor
(M903)

Capstan motor Shuttle (T)

(M902)

\

Capstan brake Drum (M901)

/

Worm wheel RKB arm

Shuttle (S)

i

Main slider

Idler gear (S)

\

Fixed release
arm

S reel

Fig. 10-1

0 Mainslider moves in the direction

of arrow mark 0 and RKB arm is
pushed up in the direction of
arrow mark • by step@.

Main slider

,O RKBarm

RKB brock

Pendulumgear

belt

When RKB arm moves inthe direction of

Pendulumgear RKB brock j arrow mark 0, RKB block moves inthe

![1_---" / _ direction of arrow mark _ to change

I , ,r

I I i_ /,l._) the mesh of pendulum gear.

o=. /

! ',

i

Fig. 10-2

• Pinch roller moves up in the
direction of arrow mark O.

Capstan shaft

O Pinch arm moves in the direction of

arrow mark _) and pinch roller is
released from capstan shaft.

shaft

ear

Pinch

Elevator gear

l[])Press gear and elevator gear

are rotated in the direction of
arrow mark O.

Pinch roller

I Press gear

Pinch block pushed by
press gear cam moves
in the direction of
arrow mark O.

Fig. 10-3

IDoor is opened

by

I

door lever. I

I

(From unloading)

Gear slidc plate slidcs. ]

I elay gear is rotated to swing iright/left arm,

form cassette 1N switch.

Cassette IN switch is pressed by
cassette IN lever.

l Cam motor stops, I

I

[

Cassette holder slides.

,1

Cassette is ejected. I

Left arm

Door

Cassette IN lever

Cassette holder

FL driving gear

Right arm Gear slide plate

Cassette

Relay gear

Fig. 10-4