Teac X-2000R Manuale utente

TEAC.

SERVICE

MANUAL

X-2000R

Stereo

Tape

Deck

e

dbx

Noise

Reduction

system

made

under

license

from

dbx,

Incorporated.

The

name

‘‘dbx”

and

the

dbx

symbol

are

trademarks

of

dbx,

incorporated.

@dbxB4

Udbxv

—7

lkdbxt

VI—KRU—-F

yw

FO

MER

MRCS.

@dbxV

AF

Alddbxt

VLIO—-—KRLU—Fy

KORMAEICHD

WTRESNTNET.

CAUTION

A

Parts

marked

with

this

sign

are

safety

critical

components.

iz

&

They

must

always

be

replaced

with

identical

components—

refer

to

the

appropriate

parts

list

and

ensure

exact

replace-

ment,

AFMSREBRBin

CS.

LRG

SAYS

T+

Py

OFF

EOR

Ge

eHAL

TS

KEE.

Effective:

June,

1984

A-40087

570402

1000

X-2000R

|

1

SPECIFICATIONS

AND

SERVICE

DATA

fEREV—-EAST-F

Notes:

1.

Improvements

may

result

in

changes

in

specifications

and

service

data.

2.

0

dB

is

referenced

to

0.775

V

in

this

manual.

SPECIFICATIONS

Track

System

%-track,

2-channel

stereo

Head

System

6

heads:

forward

erase,

reverse

playback,

reverse

record,

forward

record,

forward

playback,

reverse

erase.

Reel

Size

10-%and7"

|

Tape

Speed

19cm/s

(7-%ips)

and

9.

5em/s

(3-%

ips)

Inputs

(level

and

impedance)

MIC:

Specified

input

level:

Min.

input-level:

Specified

input

level:

Min.

input

level:

Outputs

(level

and

impedance)

|

~60dB

(0.775mV)/10kohms

—70dB

(245uV)

_

—12dB

(195mV)/50kohms

—22dB

(61.5mV)

LINE

IN:

OUTPUT:

Specified

output

level:

—5dB

(436mV)/10kohms

_

Max,

output

level:

—

+1dB

(0.869V)

PHONES:

Specified

output

level:

—24dB

(48.9mV)/8ohms

Playback

equalization

“LH”

tape:

19cm/s:

3,180us

+

50us

(NAB)

9.5cem/s:

3,180us

+

90us

(NAB)

“EE”

tape:

19cm/s:

3,180us

+

35us

9.5cm/s:

3,180us

+

50us

Motors

,

Capstan

motor:

FG

servo

DC

motor

Reel

motor:

2

DC

slotless

motors

Bias

Frequency

150kHz

Power

Requirements

100/120/220/240V,

AC

50/60Hz

90W

(General

export

model)

220V

AC

50Hz,

100W

(Europe

model)

240V

AC

50Hz,

100W

(U.K./Austratia

model)

120V

AC

60Hz,

90W

(U.S.A./Canada

model)

100V

AC

50/60Hz

90W

(Japan

model)

Weight

21.0kg

(46-5/16

Ibs)

net

25kg

(55-1/8

tbs)

(with

wooden

case)

268mm

Fie.

218mm

|

ul

(8-9/16")

|

7

486mm(19.1/8}——-

}-—

456mm(17-15/16")

—+

1-51

6mm(20-5/

16")

Broken

fine

indicates

General

Export

Models

for

Limited

Areas.

Fig..1-1

Dimensions

3.

LTERBKUH-—ER-

ee

NE

ae

2.AV

=o

3a

PIUMOABI£L0.775VEREL

LTE.

—FIAKEBOROD,

TREK

BE

SERVICE

DATA

MECHANICAL

Tape

Speed

Deviation

3,000Hz

*30Hz

Tape

Speed

Drift

15Hz

FWD/REV

Tape

Speed

Differential

30Hz

Wow

and

Flutter

Playback:

0.05%

(WRMS),

0.10%

(RMS)

at

19cm/s

0.07%

(WRMS),

0.12%

(RMS)

at

9.5cm/s

Record/Playback:

0.12%

(RMS)

at

19cm/s

0.15%

(RMS)

at

9.5cm/s

Pinch

Roller

Pressure

1.35kg

~

1.9kg

(3.0

Ibs

~

4.2

Ibs)

Tape

Tension

Play

mode:

Take-up:

50g

10g

(1.40z

~

2.102)

Fast

winding

mode:

+

Take-up:

110g

+10g

(3.502

~

4.202)

Brake

Torque

Forward

direction:

1.2

~

1.9kg-cm

(17

~

260z-inch)

Reverse

direction:

0.7kg-cm

(9.702-inch)

or

less

Fast

Winding

Time

100

seconds

or

less

for

550m

(1800

feet)

Pitch

Control

Standard

tape

speed

+6%

or

more

FWD/REV

Change

Time

3.5

sec.

+0.5

sec.

TIMER

Activate

Time

4

sec.

+2

sec.

ELECTRICAL

Frequency

Response

See

Fig.

3-5

to

3-10

Siganl

to

Noise

Ratio

Playback:

53dB

min.

(19cm/s,

NORMAL)

56dB

min.

(19cm/s,

EE)

50dB

min.

(9.5em/s,

NORMAL)

53dB

min.

(9.5cm/s,

EE)

53dB

min.

(19em/s,

NORMAL)

56dB

min.

(19cm/s,

EE)

51dB

min.

(9.5cm/s,

NORMAL)

53dB

min.

(9.5cm/s,

EE)

65dB

min.

(Both

speeds,

various

tapes)

68dB

min.

at

1kHz

(measured

with

input

10dB

higher

than

the

specified

input

level)

Channel

Separation

50dB

min.

at

1kHz

Adjacent

Track

Crosstalk

40dB

min.

at

125Hz

Total

Harmonic

Distortion

0.8%

or

less

(400Hz,

19cm/s,

DBX

both

IN

and

OUT,

various

Tapes)

Overall:

Overall

(dbx):

Erase

Efficiency

X-2000R

2

MECHANICAL

ADJUSTMENTS

AND

CHECKS

HEHE

ER

DBASE

CER

2-1

ROTATING

PART

THRUST

CLEARANCE

CHECKS

2-1

BSEBDADARAYPFYAF

LF

Reference

values

LAF

cS

ill

CRA)

Capstan

shaft:

0.1mm

to

0.25mm

(magnefloat

type)

Fp

IAIU

YP

Th

:

0.1~0.25mm(V7AIO—b-

S47)

Inertia

roller:

0.05mm

to

0.3mm

Ht

k-o-F

:

0.05~0.3mm

Tension

arm

guide

roller:

0.05mm

to

0.3mm

FVysay-P—L

He

K-O—5

:

0.05~0.3mm

Reel

motor:

0

(spring

type)

eee

erect

=

oe

Tension

arm:

0

(spring

type)

FYVarvP—-A

[0CATULYT-A17)

NOTE:

Since

the

capstan

shaft

is

a

magnefloat

type,

check

that

it

is

forced

towards

the

rear

of

the

deck

while

rotating.

BR.

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Pe

DhlevI4IO—bhS1

JOM,

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(CH

2-2

CAPSTAN

MOTOR

REPLACEMENT

SNCOSHAHMIT

STE.

1.

When

the

capstan

motor

is

replaced,

install

it

with

its

lead

wires

os

se

oe

and

washers

as

shown.

2-2

+r7TAIr-E-IORR

2.

Check

that,

when

the

deck

is

operated

by

repeating

the

forward

Lp

TASv

-

E—PERMRI

SHS

lS,

2-10

RE

DA

and

reverse

play

modes,

the

capstan

drive

belt

changes

position

SOyVpOMTI

BERT

S

Te.

on

the

flywheels

smogthly-

2.BUHRFWD,

REV@RRLIELS,

Fp

IAIY-

Wb

DETMEMAA—AICMRMSECESMBRITSCE.

top

of

the

deck

2-3

AU—-+

RE

1.

DU

—#DD

DD

TEAR

(DD

LY

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KOFF)

TS

DH

P-LEVY

ID

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pp

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ALVA

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NV

EDS

y

FALE

A

Aare

WETS.

2.610,

DV—-#-YL

IT

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pOAhO-—AOH2mITHSKIIT,

TV—-F-VLIT

KORTE

DAITHRET

S

-

3.

9V—#-

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IT

KONKBOH,

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DIV

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EAMITMETS.

4...

FTNTOT—TIRFICRT,

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7

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eHERT

3.

Fig.

2-1

Capstan

motor

replacement

2-3

BRAKE

ADJUSTMENT

ree!

motor

chassis

solenoid

plunger

NOTE:

The

explanation

and

figure

in

this

paragraph

are

for

the

left

side

brake,

similar

checks

and

adjustment

are

applicable

A

for

the

right

side

one.

1.

With

brake

applied

(brake

solenoid

off),

move

brake

band

bracket

in

directions

(A)

so

that

brake

arm

comes

in

parallel

with

reel

B

motor

chassis.

“

H

g

2.

Adjust

the

mounting

position

of

brake

solenoid

in

directions

.

(D)

so

that

when

brake

solenoid

switches

on

and

off

the

stroke

brake

band

bracket~

©

of

the

solenoid

plunger

is

about

2mm.

:

3.

Adjust

band

ass’y

retaining

plate

in

directions

(B),

(C)

and

(E)

so

\

that

brake

felt

does

not

touch

brake

drum

when

brake

solenoid

WS

solenoid

mounting

screws

switches

off.

brakednum

4.

Upon

completion

of

adjustments,

check

that

tape

tension

does

A

.

not

drop

in

any

tape

transport

modes

and

there

is

not

any

tape

<

P

¢

_

band

ass’y

retaining

plate

winding

troubles.

Fig.

2-2

Brake

adjustment

X-2000R

2-4

BRAKE

TORQUE

MEASUREMENT

1,

Place

an

empty

7”

reel,

connected

to

a

spring

scale

by

a

string,

on

the

reel

table.

2.

Pull

the

scale

away

from

the

reel

and

read

the

scale

indication

only

when

the

reel

table

is

steady

motion.

3.

Do

steps

1

and

2

for

each

measuring

condition,

(A)

through

(D)

in

Fig.

2-3.

4.

The

values

are

as

chart

in

Fig.

2-3.

radius

+

Forward

direction

(B)

(C)}

1.2

to

1.9kg-cm

(17

to

260z-inch)

*

Reverse

direction

(A)

(D)

|

0.7kg-cm

(9.70z-inch)

ar

less

Left/right

deviation

0.2kg-cm

(2.80z-inch)

or

less

NOTES:

1.

The

reverse

direction

values

are

reference.

2.

The

specification

of

left/right

deviation

only

applies

for

forward

direction

torques.

Torque

calculating

formulas:

(1)

Torque

(in

g-cm

or

02-inch)

=

Force

or

Weight

(in

g

or

oz)

x

Radius

(in

cm

or

inch)

(2)

Conversion

of

g-cm

to

oz-inch:

g-cm

x

0.0139

=

oz-inch

Fig.

2-3

2-5

PAUSE

POSITION

ADJUSTMENT

-_=

.

Place

the

deck

in

the

pause

mode.

2.

Adjust

by

turning

the

pause

positioning

nut

so

that

the

clearance

between

the

capstan

shaft

and

the

tape

is

0.5mm

to

1.0mm.

-

3.

Of

the

two

capstan

shaft/pinch

rollers,

adjustment

is

allowable

only

for

the

side

having

the

narrower

clearance.

4,

Check

that,

by

repetition

of

play

mode

to

pause

mode

and

stop

mode

to

pause

mode,

there

is

clearance

at

both

sides.

2-4

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2-5

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ag

pause

positioning

nut

pressure

stroke

adjusting

nut

Fig.

2-4

Pause

position

and

pinch

roller

pressure

stroke

adjustments

Fig.

2-5

Pause

position

adjustment

2-6

PINCH

ROLLER

PRESSURE

STROKE

=

ADJUSTMENT

Set

the

deck

in

the

forward

or

reverse

play

mode.

2.

Adjust

by

turning

the

pressure

stroke

adj.

nut

(Fig.

2-4)

so

that

the

clearance

between

the

and

the

stopper

cushion

is

about

1.0mm.

Since

the

clearance

is

produced

at

one

side

(left

or

right),

adjust-

ment

for

this

side

only

is

permissible.

eft

capstan

right

capstan

left

right

pinch

roller

pinch

roller

—~

Either

the

left

or

right

should

have

a

clearance

of

about

1.0mm.

APY

lmmFZRe

(AAY

SDA)

Fig.

2-6

2-7

PINCH

ROLLER

PRESSURE

MEASUREMENT

NOTES:

1.

The

explanation

below

applies

to

both

the

left

and

right

pinch

rollers.

2.

Both

pinch

roller

pressures

are

automatically

set

with

equal

value,

.

Hold

both

the

left

and

right

tension

arms

in

the

upper

positions

using

rubber

bands,

string

etc.

Set

the

deck

in

either

play

mode

with

no

tape

loaded.

Attach

the

spring

scale

to

the

pinch

roller

as

shown

in

the

figure.

Draw

the

pinch

roller

away

from

the

capstan

shaft

(in

the

direc-

tion

of

a

line

intersecting

the

centers

of

the

capstan

shaft

and

the

pinch

roller)

until

the

capstan

shaft

and

the

pinch

roller

are

se-

parated.

.

Return

the

scale

back

until

the

pinch

roller

just

begins

to

turn.

The

scale

should

then

be

reading

as

follow.

Reference

value:

1.35kg

to

1.9kg

(3.0

Ibs

to

4.2

!bs)

.

If

the

reading

is

out

of

specification,

replace

defective

part(s).

There

are

no

adjustable

parts.

|

¥-2000R

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spring

scale

Fig.

2-7

X-2000R

2-8

TAPE

TENSION

ADJUSTMENT

CR

Sess

Go

Fig.

2-8

Tape

tension

measuring

points

NOTES

1.

Since

these

settings

are

precisely

factory

adjusted,

in

general,

they

should

not

be

re-adjusted.

If

it is

specifically

required,

a

special

meter

is

needed.

Tentelo

meter:

Model

T2-H20-1

or

T2-H15-UM.

2.

To

facilitate

adjustment,

the

deck

should

be

placed

in

a

vertical

position.

3.

For

the

reels

mounted

on

both

left

and

right

reel

tables,

use

the

same

size

ones.

4.

Before

all

the

following

adjustments

(2-8-1

~

2-8-4),

perform

in

order

to

activate

the

relevant

circuit.

a.

Thread

the

tape

to

lift

up

both

tension/shut-off

arms.

b.

Set

the

POWER

switch

to

ON.

c.

Leave

the

deck

as

it

is

for

5

to

10

minutes.

28-1

IN

FORWARD

PLAY

1.

Place

a

reel

loading

TEAC

YTT-8013

test

tape

on

the

left

reel

table

and

an

empty

reel

on

the

right

reel

table,

then

thread

the

tape.

2.

Let

the

tape

run

in

fast

forward

mode

until

both

reels

have

nearly

the

same

tape

winding

diameter.

3.

During

forward

play

with

a

tape

speed

of

3-3/4ips

(9.5cm/s),

measure

tape

tension

at

point

A.

4.

Adjust

R122

so

that

the

specified

tape

tension

of

50g

+

10g

(1.402

~

2.102)

is

obtained.

(Obtain

a

50g

or

1.802

value

as

far

as

possible).

2-8-2

IN

REVERSE

PLAY

(Continued

from

step

4

above)

5.

Let

both

reels

have

the

same

amount

of

tape

wounded

on

them.

6.

During

reverse

play

with

a

tape

speed

of

3-3/4ips,

adjust

R222

to

get

a

specified

tape

tension

of

50g

+

10g

(1.40z

~

2.102)

at

point

B.(Obtain

a

50g

or

1.802

value

as

far

as

possible).

(FF,REWSPEED)

oh

Kear:

B

ome,

|

eee

(REW)

R255

(FF)

R257

(FWD

PLAY)

R122-

(REV

PLAY)

R222

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TP.

1

Fig.

2-9

Tape

tension

adjuster

tocation

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2.BOMBICFYFO-A-—HE4T,

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YE

3

VY

&50g+10g(T&

SE

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(CHATS.

2-8-3

IN

FAST

FORWARD

1.

Load

a

TEAC

YTT-8013

test

tape

on

the

left

reel

table

and

an

empty

reel

on

the

right

reel

table,

then

thread

the

tape.

2.

Stop

the

left

reel

by

hand

and

set

the

deck

in

fast

forward

mode.

3,

Adjust

R257

to

obtain

a

100g

to

120g

(3.50z

~

4.202)

value

at

point

A

(Obtain

a

110g

or

3.9

oz

value

as

far

as

possible).

REMARK:

Back

tension

in

fast

forward

(or

fast

rewind)

is

auto-

matically

set

when

tape

speed

is

adjusted

as

in

paragraph

2-12-2,

2-8-4

IN

REWIND

1.

Load

a

TEAC

YTT-8013

test.

tape

on

the

right

reel

table

and

the

empty

reel

on

the

left

reel

table,

then

thread

the

tape.

2.

Stop

the

right

reel

by

hand

and

set

the

deck

in

the

rewind

mode.

3.

Adjust

R255

to

obtain

a

100g

to

120g

(3.502

~

4.202)

value

at

point

B

(Obtain

a

100g

or

3.90z

as

far

as

possible).

2-9

TENSION

ARM

HEIGHT

ADJUSTMENT

1.

Thread

any

standard

tape

on

the

deck

using

a

standard

empty

reels

such

as

TEAC

RE-1002.

2.

Set

the

deck

in

the

forward

or

reverse

play

mode.

3.

Stop

left

(right)

inertia

rollers

rotation

by

hand.

Adjust

by

turning

the

left

(right)

tension

arm

height

adjusting

nut

(refer

to

Fig.

2-10)

so

that

the

tape

moves

in

the

center

of

the

inertia

roller.

NOTE:

When

adjusting,

pay

special

attention

to

the

relationship

between

position-detecting

shutter

and

the

opening

of

photo-interrupter

to

prevent,

for

example,

the

shutter

from

being

caught.

4.

Release

the

inertia

roller.

Fine-adjust

the

adjusting

nut

again

until

there

is

no

tape

curling

on

the

tape

guide

between

the

erase

head

and

the

left

(right)

inertia

roller.

5.

After

Adjusting

the

height

of

both

left

and

right

tension

arms,

check

that

the

tape

running

condition

is

good

by

switching

be-

tween

fast

forward

and

rewind

modes.

6.

If

the

tape

running

position

is

different

when

the

inertia

roller

stops

and

when

it

turns,

the

conditon

when

the

inertia

roller

is

rotating

has

priority.

X-2000R

2-8-3

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shows

left

side

tension

arm.

Misehs

vy

ay:

P—-LERT.

left

tension

arm

tension

arm

.

height

adj.

nut

photo-interrupter

position-detecting

shutter

Fig.

2-10

X-2000R

2-10

REEL

TABLE

HEIGHT

ADJUSTMENT

1.

Adjust

the

tension

arm

height

beforehand

(See

2-9).

2.

Check

each

reel

table

height

using

a

TEAC

RE-1002

empty

reel

and

letting

the

tape

run

in

each

tape

operating

mode.

If

the

tape

rubs

against

the

reel

flanges,

adjust

the

reel

table

height

by

means

of

the

two

reel

table

mounting

screws.

2-10

YV-L

ARs

1.

APHOS

VY

aL

P-L

AMRIT

REET

OTS

au.

2.TEAC

RE-1002U

—JL@#L,

SF

—PRMETT—

FH

Y—JL-

DOV

VITRMITSHDESDEFIVITS.

3.8

Lik

SBS

IS

IV

G

EME

LTS

2KDOKRVE

S60,

VIVE

RALBEHD

LTMETS.

standard

empty

reel

Fig.

2-11

TAPE

PATH

ALIGNMENTS

The

following

procedure

is

for

parallelism

adjustment

of

left

pinch

roller.

A

similar

procedure

is

also

applied

for

the

right

pinch

roller.

2-11-1

COARSE

ADJUSTMENT

OF

PINCH

ROLLER

1.

2.

PARALLELISM

Let

pinch

roller

draw

near

toward

capstan

shaft

by

manually

lift-

ing

up

tape

lifter

shown

in

Fig.

2-12.

Check

pinch

roller/capstan

shaft

parallelism

viewed

from

direc-

tion

of

arrow

A

shown

in

Fig.

2-12.

(Refer

to

Fig.

2-13,

14.)

If

not

parallel,

joosen

the

reinforcement

plate

screw

near

the

correction-required

side

(Refer

to

Fig.

2-15),

then

correct

tilt

of

pinch

roller

spindle

using

correction

jig.

(Part

No.

573600010).

Adjustment

can

be

done

by

tilting

correction

jig

in

direction

of

arrow

Aor

A’.

NOTE:

(1)

Use

the

jig

as

near

as

possible

to

the

pinch

roller

spindle.

(2)

Do

not

touch

the

surface

of

spindle.

(3)

Use

no

other

tool

for

this

adjustment.

Remove

pinch

roller,

then

push

up

tape

lifter

to

visually

align

pinch

roller

spindle

with

the

capstan

shaft

viewed

from

direction

of

arrow

in

Fig.

2-12.

If

needed,

adjust

by

tilting

correction

jig

in

direction

of

arrow

B

or

B’

in

Fig,

2-15.

2-11-2.

FINE

ADJUSTMENT

OF

PINCH

ROLLER

1,

2.

PARALLEL

ALIGNMENT

Repeat

fast

winding

and

rewinding

and

confirm

tape

travel

Positioning

does

not

vary.

If

necessary,

adjust

pinch

roller

alignment

as

shown

in

Fig.

2-15.

reel

table

2-11

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REV

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DHA

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&

EE

BTS.

2.6

LEIS

SBF

ISM

2-LOHET

ELV

F:-

O-—

SHORES

&

MASS.

X-2000R

=

tape

lift

ape

lifter

capstan

shaft

Fig.

2-13

View

in

direction

A

(example

of

non-paralletism)

Fig.

2-12

Directions

for

pinch

roiler

parallelism

check

pinch

roller

shaft

Fig.

2-14

View

in

direction

B

(example

of

non-paralletism)

correction

jig

(TEAC

P/N

5736000100)

A

a

reinforcement

plate

screws

=.

8B

(Loosen

the

correctian-required

side)

PABRRTAS

(EMIIOSHS)

:

reinforcement

pinch

roller

spindle

Ta-

1045

Fig.

2-15

Pinch

roller/capstan

alignment

X-2000R

2-12

TAPE

SPEED

ADJUSTMENT

OSCILLATOR

FREQUENCY

COUNTER

DECK

[___]

under

TEST

(R)

LINE

tN

OUTPUT

Fig.

2-16

NOTES:

1.

Conduct

all

the

following

in

both

forward

and

reverse

play

modes,

2.

When

ordering

test

tapes,

allow

for

the

longer

delivery

time

that

is

required

for

them.

2-12-1

PLAY

SPEED

1,

2.

3.

—_=

a

10

Connect

a

frequency

counter

to

either

OUTPUT

terminal.

Load

TEAC

YTT-2003

test

tape.

Set

the

SPEED

switch—

HIGH,

and

PITCH

CONT

knob—OFF.

Play

the

tape.

Adjust

HIGH

SPEED

control

(see

Fig.

2-17)

fora

reading

of

3,000Hz

+5Hz.

.

Check

the

following

at

the

beginning

and

the

end

of

the

tape.

Specifications:

Tape

speed

deviation.

..........-00-

3,000Hz

+30Hz

Tape

speed

drift

2...

..

eee

ee

een

15Hz

FWD/REV

tape

speed

differential

.............

30Hz

.

Change

the

test

tape

to

a

TEAC

YTT-2002,

and

SPEED

switch

setting

to

LOW.

.

Repeat

steps

3

through

4.

Adjust

LOW

SPEED

control

if

neces-

sary.

.

Pull

the

PITCH

CONT

knob

out.

Set

SPEED

switch

HIGH.

Play

a

YTT-2003

tape.

.

Check

if

the

speed

variation

of

at

least

3,000Hz

+180Hz

is

ob-

tained

when

the

PITCH

CONT

knob

is

rotated

fully

in

both

directions.

.

Change

the

test

tape

to

YTT-2002,

SPEED

switch

setting

to

LOW.

Repeat

step

8.

FAST

WINDING

SPEED

.

Set

the

deck

in

vertical

position.

.

Connect

oscilloscope

between

TP1

test

point

on

the

POWER

PCB

and

ground.

.

Thread

a

TEAC

YTT-8013

test

tape.

In

this

case,

either

use

of

Tinch

reels

or.

10inch

are

permitted

provided

both

left

and

right

reals

are

tha

same

size.

.

During

fast

forward

or

rewind

mode,

adjust

R150(see

Fig.

2-9)

so

that

wavelength

displayed

on

the

oscilloscope

becomes

7msec.

(Fig.

2-18).

Adjustment

should

be

satisfied

at

any

tape

winding

position.

.

Check

that

almost

equal

value

of

fast

winding

speed

is

obtained

between

fast

forward

and

rewind

modes.

2-12

F—-TF-AE—

PME

2-12-1

FWD/REV

PLAYAE—F

1.

ee

2-17

FR

2.57-T7-AK—

FRR

EV

F-

OV

RO

Ay

Fit

OFFIC

LTH<

TE.

3.

SUS

>

—

TRE

faz

3,000Hz+30Hz

F—TREAH

WHA

Gees

Sih)

FWD/REVRE#

30H2U1AN

(RIFE

418)

2712-2

FF/REWAZE—F

1.IND—3EROTP.

1

(2-98)

CAL

OAZAI-DPeReS

d.

2.7

y+€FFE—KRISREWE—

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3.

TP.

1D

ORD

m

secllTHSBKIDITR150

(l2-9B

A)

&REITS.

fx]2-18

4.FFLREW

CKAEGEMEWCCAERTS.

capstan

motor

Fig.

2-17

FWD/REV

play

speed

adjustment

points

7msec,

Fig.

2-18

Waveform

at

TP1

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