Teac X-1000M Manuale utente

TEAC

SERVICE

MANUAL

X-1000M/X-1000

|

Stereo

Tape

Deck

X-

1000

HI

SREF

VCH,

dbx

noise

reduction

system

made

under

license

from

dbx,

In-

corporated.

The

word

dbx

and

the

dbx

Symbol

are

trademarks

of

dbx,

incorporated.

4

Parts

marked

with

this

sign

are

safety

critical

components.

They

must

always

be

replaced

with

identical

components

—

refer

to

the

appropriate

parts

list

and

ensure

exact

replacement.

Effective:

DECEMBER,

1982

A20252

X-1000M/X-1000

1

SPECIFICATIONS

AND

SERVICE

DATA

SPECIFICATIONS

Track

System

X-1000M:

2

track,

2

channel

stereo

or

mono

4

track

playback

switchable

X-1000:

4

track,

2

channel

stereo

or

mono

Head

System

X-1000M:

4

heads:

erase,

record,

2T

playback

and

4T

playback

X-1000:

3heads:

erase,

record,

playback

Reel

Size

10-%”"

and

7”

Tape

Speed

X-1000M:.

38cm/s

(15

ips)

and

19cm/s

(7-%

ips)

X:1000:

19cm/s

(7-%

ips)

and

9.5cm/s

(3-%

ips)

inputs

(level

and

impedance)

:

MIC:

Specified

input

level:

Min.

input

level:

LINE

IN:

Specified

input

level:

Min.

input

level:

Outputs

(level

and

impedance)

OUTPUT:

Specified

output

level:

—5dB

(436mV)/10kohms

Max.

output

level:

+1dB

(0.869V)

PHONES:

Specified

output

level:

—24dB

(48.9mV)/8ohms

Playback

equalization

—60dB

(0.775mV)/10kohms

—70dB

(245:V)

—12dB

(195mV)/50kohms

—22dB

(61.5mV)

“LH”

tane

“EE”

tape

38cem/s:

3,

180us

+

50us

3,180us

+

35us

00

+

35us

(IEC)

19cm/s:

3,180us

+

50us

3,180us

+

35us

9.5cm/s:

3,180us+

90us

3,180us

+

50us

Motors

Capstan

motor:

FG

servo

DC

motor

Reel

motor:

2

DC

slotless

motors

Bias

Frequency

100kHz

©

Power

Requirements

100/120/220/240V,

AC

50/60Hz

110W

(General

export

model)

220V

AC

50Hz,

110W

(Europe

model)

240V

AC

50Hz,

110W

(U.K./Australia

model)

120V

AC

60Hz,

110W

(U.S.A./Canada

model)

Weight

22.0kg

(48-8/16

Ibs)

net

:

26kg

(57-5/16

Ibs)

(with

wooden

case)

Dimensions

See

Fig.

1-1

on

page

3.

SERVICE

DATA

MECHANICAL

Tape

Speed

Deviation

3,000Hz

+

30Hz

Tape

Speed

Drift

15Hz

Wow

and

Fiutter

Playback:

38cm/s:

0.04%

(WRMS),

0.08%

(RMS)

19cm/s:

0.05%

(WRMS),

0.10%

(RMS)

9.5cm/s:

0.07%

(WRMS),

0.12%

(RMS)

Record/Playhack:

§

38cm/s:

0.10%

(RMS)

19cm/s:

0.12%

(RMS)

9.5cm/s:

0.15%

(RMS)

Pinch

Roller

Pressure

1.35kg

~

1.9kg

(3.0

Ibs

~

4.2

Ibs)

Tape

Tension

Play

mode:

Take-up:

50g

+

10g

(1.402

~

2.102)

Supply:

50g

+

10g

(1.402

~

2.102)

Fast

winding

made

Take-up:

110g

+10g

(3.50z

~

4.202)

Supply:

Brake

Torque

Forward

direction:

1.2

~

1.9kg-cm

(17

~

260z-inch}

[X-1000M]

1.2

~

1.7kg-cm

(17

~

2402-inch)

[X-1000]

0.7kg-cm

(9.702-inch)

cr

less

[X-1000M]

0.6kg-cm

(8.30z-inch)

or

less

[X-1000]

Left/right

deviation:

0.2kg-cm

(2.80z-inch)

or

jess

Fast

Winding

Time

100

seconds

or

less

for

550m

(1800

feet)

Pitch

Control

Standard

tape

speed

+6%

or

more

TIMER

Activate

Time

4

sec.

+

2

sec.

Reverse

direction:

ELECTRICAL

Frequency

Response

.

Refer

to

the

specifications

in

“3

ELECTRICAL

ADJUSTMENT

AND

CHECKS”.

Signal

to

Noise

Ratio

Playback:

LH-I,

-I

EE

38cm/s:

50dB

min.

52dB

min.

19cem/s:

50dB

min.

52dB

min.

9.5cm/s:

49dB

min.

52dB

min.

Overall:

38cm/s:

48dB

min.

50dB

min.

19cem/s:

48dB

min.

50dB

min.

9.5cm/s:

46dB

min.

50dB

min.

Overall

(dbx):

65dB

min.

(All

speeds,

various

EQ

tapes)

At

1kHz

(measured

with

input

10dB

higher

than

the

specified

input

level)

38cm/s:

65dB

min.

19cm/s:

70dB

min.

9.5cem/s:

70dB

min.

Channel

Separation

50dB

min.

at

1kHz

Adjacent

Track

Crosstalk

40dB

min.

at

125Hz

Total

Harmonic

Distortion

At

1kHz,

and

at

HIGH

speed

0.8%

or

less

(LH-I,

LH-IL,

EE)

0.8%

or

less

(dbx

IN)

3%

or

less

(dbx

IN

+

20VU)

Erase

Efficiency

e

Improvements

may

result

in

SPECIFICATIONS

AND

SERVICE

DATA

changes.

e

Value

of

“dB”

in

the

data

refers

to

OdB

(0.775V),

except

where

specified.

X1000M/X-1000

2

MECHANICAL

ADJUSTMENTS

AND

CHECKS

2-1

ROTATING

PART

THRUST

CLEARANCE

CHECKS

Reference

values

Capstan

shaft:

0.1mm

to

0.25mm

(magnefloat

type)

Guide

roller:

0.05mm

to

0.3mm

Tension

arm

guide

roller:

0.05mm

to

0.3mm

Reel

motor:

0

(spring

type)

Tension

arm:

0

(spring

type)

NOTE:

Since

the

capstan

shaft

is

a

magnefloat

type,

check

that

it

is

forced

towards

the

rear

of

the

deck

while

rotating.

2-2.

BRAKE

ADJUSTMENT

NOTE:

The

explanation

and

figure

in

this

paragraph

are

for

the

left

side

brake,

similar

checks

and

adjustments

are

applicable

for

the

right

side

one.

:

1.

Adjust

by

moving

the

brake

band

bracket

in

either

direction

(arrow

(A))

so

that

the

reel

motor

chassis

is

in

parallel

with

the

brake

arm,

and

so

that

the

brake

band

makes

proper

clearance

equally

all

around

the

reel

table

base.

2.

Adjust

by

moving

the

brake

solenoid

in

either

direction

(arrow

(D})

so

that

the

stroke

of

the

solenoid

plunger

is

about

2mm.

3.

Adjust

by

moving

the

band

ass’y

retaining

plate

as

shown

in

(B,

C,

E)

so

that,

when

the

plunger.is

pushed

in

the

direction

of

the

solenoid

housing,

the

reel

table

base

is

not

rubbed

by

the

brake

band

and

is

properly

spaced.

(10-5/16")

540mm

(21-1/4'')

472mm

(18-9/16"")

432mm

(17'')

486mm

(19-1/8"")

506mm

(19-15/16)

452mm

(17-13/16"’)

Broken

line

indicates

General

Export

Models

for

Limited

Areas.

Fig.

1-1

Dimensions

reel

motor

chassis

brake

felt

solenoid

plunger

brake

band

brake

solenoid

reel

table

base

fe

band

ass’y

retaining

plate

Fig.

2-1

2-3:

BRAKE

TORQUE

MEASUREMENT

.

Place

an

empty

7”

reel,

connected

to

a

spring

scale

by

a

string,

on

the

reel

table.

Pull

the

scale

away

from

the

reel

and

read

the

scale

indication

only

when

the

reel

table

is

steady

motion.

Do

steps

1

and

2

for

each

measuring

condition,

(A)

through

(D)

in

Fig.

2-2.

The

values

are

as

chart

in

Fig.

2-2.

_

w

>

radius

1.2

to

1.9kg-em

(17

to

260z-inch)

er

[X-1000M]

|

Forward

direction

(B) (C)

4

9

+5

1.7kg-em

(17

to

240z-inch)

{X-1000]

0.7kg-cm

(9.702-inch)

or

less

[X-1000M]

Reverse

direction

(A)

(D)

et

0.6kg-cm

(8.30z-inch)

or

less

[X-1000]

0.2kg-cm

(2.802-inch)

or

less

Left/right

deviation

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

oz-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.

2-2

X1000M/X-1000

2-4

PAUSE

POSITION

ADJUSTMENT

1.

Place

the

deck

in

the

pause

mode.

2.

Adjust

by

turning

the

pause

positioning

nut

so

thatthe

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.

Pause

positioning

nut

pressure

stroke

adjusting

nut

Fig.

2-3

Pause

position

and

pinch

rolier

pressure

stroke

adjustments

capstans

clearance

tape

Figure

shows

X-1000M.

Fig.

2-4

Pause

position

adjustment

2-5

PINCH

ROLLER

PRESSURE

STROKE

ADJUSTMENT

1.

Set the

deck

in

the

play

mode.

2.

Adjust

by

turning

the

pressure

stroke

adj.

nut

(Fig.

2-3)

so

that

the

clearance

between

the

and

the

stopper

cushion

is

about

1.0mm.

3.

Since

the

clearance

is

produced

at

one

side

(left

or

right),

adjust-

ment

for

this

side

only

is

permissible.

left

capstar

right

capstan

left

right

pinch

roller

pinch

rofler

©

a

6

stopper

cushions

,

:

about

1.0mm

Either

the

left

or

right

should

have

a

clearance

of

about

1.0mm.

Fig.

2-5

2-6

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.

1.

Hold

both

the

left

and

right

tension

arms

in

the

upper

positions

using

rubber

bands,

string

etc.

2.

Set

the

deck

in

the

play

mode

with

no

tape

loaded.

3.

Attach

the

spring

scale

to

the

pinch

roller

as

shown

in

the

figure.

4.

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.

5.

Return

the

scale

back

unti!

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

Ibs)

6.

If

the

reading

is

out

of

specification,

replace

defective

part(s).

There

are

no

adjustable

parts.

capstan

)

pinch

roller

\

\\

spring

scale

Fig.

2-6

2-7

CAPSTAN

MOTOR

REPLACEMENT

.

1,

When

replacing

the

capstan

motor,

install

as

shown

in

illustra-

tion.

r

Not

mounted

|

on

X-1000M

2-8

TAPE

TENSION

[eo]

°

Tape

tension

value

NGTE:

Alphabet

letters

in

parentheses

indicates

measuring

point

shown

in

figure.

Play

mode

Take-up:

(A)

in

FWO

Supply:

50g

+

10g

(1.402

~

2.102)

(B)

in

FWD

50g

+

10g

(1.402

~

2.102)

Fast

winding

mode

Take-up:

(A)

in

F.F.

|

110g

+

10g

(3.502

~

4.202)

(B)

in

REW

Supply:

(B)

in

F.F.

|

This

value

is

automatically

set

when

(A)

in

REW

|

doing

“2-9

FAST

WINDING

SPEED”

adjustment.

Fig.

2-8

NOTES:

1.

Since

these

settings

are

precisely

factory

adjusted,

in

general,

they

should

not

be

re-adjusted.

If

it is

specifi-

cally

required,

a

special

meter

is

needed.

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

~

2-8-3),

perform

in

order

to

activate

the

rele-

vant

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.

5.

There

should

be

almost

equa!

values

between

tape

tension

at

point

A

during

fast

forward

mode

and

at

_

point

B.

during

rewind

mode.

X-1000M/X-:1000

2-8-1

IN

PLAY

MODE

—

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

play

at

a

LOW

speed,

measure

tape

tension

at

point

A.

4.

Adjust

R120

so

that

the

specified

tape

tension

of

50g

+

10g

(1.40z

~

2.102)

is

obtained.

2-8-2

IN

FAST

FORWARD

MODE

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

R237

to

obtain

a

100g

to

120g

(3.502

~

4.202)

value

at

point

A

(Obtain

a

100g

or

3.00z

value

as

far

as

possible).

2-8-3

IN

REWIND

MODE

1.

Load

a

TEAC

YTT-8013

test

tape

on

the

right

ree!

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

R238

to

obtain

a

100g

to

120g

(3.00z

~

3.602)

value

at

point

B

(Obtain

a

100g

or

3.50z

as

far

as

possible).

R120

...

FWD

PLAY

R238

...

REW

—Saemeh

23Y,

...

F,

ag

R289

...

(FF,

REW

SPEED)

TP.1

Fig.

2-9

Tape

tension

adjuster

location

X1000M/X-1000

2-9

FAST

WINDING

SPEED

1.

Set

the

deck

in

vertical

position.

2.

Connect

oscilloscope

between

TP1

test

point

on

the

POWER

_.length

displayed

on

the

oscilloscope

becomes

7msec.

Adjustment

=

SERVO

PCB

and

ground.

Thread

a

TEAC

YTT-8013

test

tape.

tn

this

case,

either

use

of

7

inch

reels

or

10

inch

are

permitted

provided

both

left

and

right

reels

are

the

same

size.

,

During

fast

forward

or

rewind

mode,

adjust

R289

so

that

wave-

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.

7msec.

Fig.

2-10

Waveform

at

TP1

2-10

TENSION

ARM

HEIGHT

ADJUSTMENT

1.

Thread

any

standard

tape

on

the

deck

using

a

standard

empty

reels

such

as

TEAC

RE-1002.

Set

the

deck

in

the

forward

play

or

fast-forward

(fast

rewind)

mode.

Stop

left

(right)

guide

roller's

rotation

by

hand.

Adjust

by

turning

the

left

(right)

tension

arm

height

adjusting

nut

(refer

to

Fig.

2-11)

so.that

the

tape

moves

in

the

center

of

the

guide

roller.

Release

the

guide

roller.

Fine-adjust

the

adjust

nut

again

so

that

there

is

no

evident

tape

curling

on

the

left-most

(right-most)

tape

guide

of

the

head

assembly.

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.

If

the

tape

running

position

is

different

when

the

guide

roller

stops

and

when

it

turns,

the

condition

when

the

gulde

roller

is

rotating

has

priority.

Figure

shouws

left

side

tension

arm.

;

left

tension

arm

tension

arm

height

adj.

nut

photo-interrupter

position-detecting

shutter

Fig.

2-11

REEL

TABLE

HEIGHT

ADJUSTMENT

1.

Adjust

the

tension

arm

height

beforehand

(See

2-10).

2.

Check

each

reel

table

height

using

a

TEAC

RE-1002

empty

reel

and

letting

the

tape

run

in

each

tape

operating

mode.

3.

If

the

tape

rubs

against

the

reel

flanges,

adjust

the

reel

table

height

by

means

of

the

two

reel

table

mounting

screws,

two

screws

Fig.

2-12

HEAD

AND

TAPE

PATH

ALIGNMENTS

NOTE:

The

adjustments

referred

to

in

this

section

are

so

closely

one

another

that

it is

necessary

to

re-check

the

other

adjustments

after

completion

of

one.

EXAMPLE

OF

MIS-

HEAD

REGULATION

ELEMENTS

ALIGN-

MENT

TILT

The

head

surface

should

be

parallel

to

the

tape

guide

surface.

AZIMUTH

The

gap

of

the

head

core

should

be

perpendicular

to

the

tape

travel.

HEIGHT

(2T)

TANGENCY

The

dotted

line

should

be

perpendicular

to

the

surface

of

the

tape.

meat

ce

Fig.

2-13

Head

regulation

elements

The

head

cores

should

be

equally

distant

from

the

|.

~

2"

SSS

upper

and

lower

eges

of

the

tape.

HEIGHT

(4T)

cs

The

top

edge

of

the

upper

core

of

the

head

should

|

—7-—

be

level

with

the

upper

edge

of

the

tape.

:

a

ee

X-1000M/X-1000

i

Figure

shows

X-1000M.

Adjustment

screws

and

nuts

@

Head

azimuth

Tape

guide

adjustment

nut

©

Head

height

and

tilt

@

(©

Head

mounting

X-1000M

2T

meee

27 4T

Erase

Record

Play

eo)

Tape

guide

height

4T 4T

4T

i

j

x-1000

ee

edie

Piey

Not

mounted

©

Fixed

(not

adjustable)

Fig.

2-14

Tape

guide

and

head

arrangement

2-12-1

COARSE

ADJUSTMENT

OF

PINCH

ROLLER

r

PARALLELISM

i

The

following

procedure

is

for

parallelism

adjustment

of

feft

pinch

i

roller,

A

similar

procedure

is

also

applied

for the

right

pinch

roller.

———s

1.

Let

pinch

roller

draw

near

toward

capstan

shaft

by

manually

lift-

en

oer

capstan

shaft

ing

up

tape

lifter

shown

in

Fig.

2-15.

2.

Check

pinch

roller/capstan

shaft

parallelism

viewed

from

direc-

tion

of

arrow

A

shown

in

Fig.

2-15.

Refer

to

Fig.

2-16.

3.

If

not

parallel,

loosen

the

reinforcement

plate

screw

near

the

Fig.

2-16

View

in

direction

A

(example

of

non-parallelism)

correction-required

side

(Refer

to

Fig,

2-18),

then

correct

tilt

of

pinch

roller

spindle

using

correction

jig.

Adjustment

can

be

done

by

tilting

correction

jig

in

direction

of

arrow

A

or

A’.

I

(1)

Use

the

jig

as

near

as

possible

to

the

pinch

roller

spindle.

capstan

shaft

(2)

Do

not

touch

the

surface

of

spindle.

(3)

Use

no

other

tool

for

this

adjustment!

pinch

roller

shaft

4.

Remove

pinch

roller,

then

push

up

tape

lifter

to

visually

align

pinch

roller

spindle

with

the

capstan

shaft

viewed

from

direction

i

of

arrow

B

in

Fig.

2-15.

Fig.

2-17

View

in

direction

B

(example

of

non-paratlelism)

5.

If

needed,

adjust

by

tilting

correction

jig

in

direction

of

arrow

B

or

B’

in

Fig.

2-18.

correction

jig

(TEAC

P/N

5736000100)

B

ae

at

reinforcement

plate

screws

g

(Loosen

the

correction-required

side)

"4

A

reinforcement.

pinch

roller

tape

lifte

‘

BPS

ite

spindle

Fig.

2-18

Pinch

roller/capstan

alignment

Fig.

2-15

Directions

for

pinch

roller

parallelism

check

X-1000M/X1000

2-12-2

HEAD

TILT

AND

AZIMUTH

ADJUSTMENT

1.

Visually

adjust

the

tilt

of

playback

and

record

heads

so

that

the

head

surface

is

parallel

to

the

nearest

tape

guide

or

capstan

shaft.

Make

coarse

azimuth

adjustments

for

the

record

and

playback

head,

viewing

each

head

from

front

(without

tape).

2-12-3

TAPE

GUIDE

HEIGHT

ADJUSTMENT

1.

Playing

a

TEAC

YTT-8013

test

tape

(thickness

=

35m),

adjust

the

height

of

the

left

tension

arm

so

that

the

lower

edge

of

the

tape

is

just

touching

the

lower

edge

of

the

tape

guide

(1).

See

Fig.

2-19.

Also

refer

to

“2-10

TENSION

ARM

HEIGHT

ADJUST-

*

MENT”.

Adjust

the

height

of

the

tape

guide

(2)

so

that

the

upper

edge

of

the

tape

is

in

contact

with

the

upper

edge

of

the

tape

guide.

Confirm

that

the

adjustments

do

not

cause

the

tape

to

curl.

Adjust

height

of

tape

guides

(3)

and

(4)

in

the

same

way

as

steps

1~3.

For

tape

guide

(4),

adjust

right

tension

arm

height.

Check

to

see

there

is

no

tape

curling

at

all

the

tape

guides.

Apply

locking

paint

to

the

height

adjust

nut

of

tape

guides

(2)

and

(3).

tape

guide

(1)

tape

guide

roller

erase

head

tension

arm

cea

Adjust

tension

arm

height

for

tape

to

lightly

touch

here.

EEE

tension

arm

height

adj.

nut

Fig.

2-19

Tension

arm

height

adjustment

tape

guide

height

adj.

nut.

tape

Adjust

so

that

tape

touch

lightly

here.

tape

guide

(2)

or

(3)

Fig.

2-20

Tape

guide

height

adjustment

2-12-4

FINE

ADJUSTMENT

OF

PINCH

ROLLER

PARALLELISM

With

HIGH

tape

speed,

each

pinch

roller

should

satisfy

the

follow-

ing

requirements.

1.

Remove

pinch

roller

cap.

2.

Manually

move

pinch

roller

upwards

(along

pinch

roller

spindle)

by

1

~

2mm

from

the

stop

portion

of

the

spindle,

then

play

a

test

tape.

3.

During

play

mode,

observe

whether

the

pinch

roller

position

changes

in

the

spindle

direction.

:

4.

lf

a

change

is

found,

re-adjust

accurately

tilt

of

pinch

roller

spindle

by

method

illustrated

in

Fig.

2-18.

2-12-5

HEAD

HEIGHT

ADJUSTMENT

1.

On

X-1000M

model,

fine-adjust

the

height

of

the

2T

record

and

2T

playback

heads

so

that

their

head

cores

are

equally

distant

from

the

upper

and

lower

edges

of

the

tape.

2.

Fine-adjust

the

height

of

the

4T

record

and

4T

playback

head(s)

so

that

the

head’s

brass-colored

spacer

shows

just

above

the

mav-

ing

tape

(about

the

thickness

of

a

thin

pencil

line).

2-13,

TAPE

SPEED

ADJUSTMENT

FREQUENCY

COUNTER

DECK

under

TEST

(R)

LINE

IN

OSCILLATOR

WOW

&

FLUTTER

METER

(R)

OUTPUT

Fig.

2-21

TEAC

Tape

Speed

and

Flutter

test

tapes:

YTT-2004:

For

38cm/s

(15

ips)

speed

YTT-2003:

For

19cm/s

(7-%

ips)

speed

YTT-2002:

For

9.5cm/s

(3-%

ips)

speed

1.

Connect

a

frequency

counter

to

either

OUTPUT

terminal.

2.

Load

a

TEAC

YTT-2004

(X-1000:

YTT-2003)

test

tape.

Set

the

SPEED

switch—HIGH,

and

PITCH

CONT

knob—OFF.

3.

Play

the

tape.

Adjust

HIGH

SPEED

control

(see

Fig.

2-22)

fora

reading

of

3,000Hz

+5Hz.

4.

Check

the

following

at

the

beginning

and

the

end

of

the

tape.

Specifications:

Tape

speed

deviation

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

3,000Hz

+30Hz

Tape

speed

drift

...

2...

eee

ee

..

I5Hz

5.

Change

the

test

tape

to

a

TEAC

YTT-2003

(X-1000:

YTT-2002),

and

SPEED

switch

setting

to

LOW.

6.

Repeat

steps

3

through

4.

Adjust

LOW

SPEED

control

if

neces-

sary.

7.

Pull

the

PITCH

CONT

knob

out.

Set

SPEED

switch

HIGH.

Play

a

YTT-2004

(X-1000:

YTT-2003)

tape.

8.

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.

9.

Change

the

test

tape

to

YTT-2003

(X-1000:

YTT-2002),

SPEED

switch

setting

to

LOW.

Repeat

step

8.

capstan

motor

capstan

servo

PCB

HIGH

SPEED

(May

LOW

SPEED

faster

slower

Fig.

2-22

2-14

WOW

AND

FLUTTER

CHECKS

.

TEAC

Tape

Speed

and

Flutter

test

tapes:

Refer

to

the

beginning

of

paragraph

2-13,

NOTE:

The

following

measurements

should

be

made

at

the

begin-

ning

and

the

end

of

the

tape.

Playback

1.

Connect

the

test

equipment

to

the

deck

as

shown

in

Fig.

2-21.

2.

Load

and

play

a

TEAC

YTT-

2004

(X-1000:

YTT-2Z003)

test

tape

for

HIGH

speed.

3.

Read

the

indication

on

the

wow

and

flutter

meter.

4.

Repeat

steps

2

through

3

using

a

TEAC

YTT-2003

(X-1000:

TEAC

YTT-2002)

tape

for

LOW

speed.

5.

Wow

and

flutter

specifications

are

as

shown

below.

X-1000M:

HIGH

(38cm/s):

0.04%

WRMS

0.08%

RMS

LOW

(19cm/s):

0.05%

WRMS

0.10%

RMS

HIGH

(19cm/s):

0.05%

WRMS

0.10%

RMS

LOW

(9.5cm/s):

0.07%

WRMS

0.12%

RMS

X-1000:

Overall

6.

Load

a

TEAC

YTT-8013

test

tape

(blank).

Apply

and

record

a

3,000Hz

signal.

7,

During

simultaneous

tape

monitoring

(playing)

the

recorded

signal,

read

the

wow

and

flutter

meter

display.

Specifications:

X-1000M:

HIGH

(38cm/s):

0.10%

RMS

LOW

(19cm/s):

0.12%

RMS

HIGH

(19cm/s):

0.12%

RMS

LOW

(9.5cem/s):

0.15%

RMS

X-1000:

oo

__X4000M/X1000

2-15

LUBRICATION

Oiling

is

needed

after

every

1,000

hours

of

operation

or

once

a

year

if

the

deck

is

infrequently

used.

For

this

purpose,

TEAC

spindle

oil

(from

TEAC

T2Z-255

oil

kit),

Mobil

D.T.E.

Oil

Light,

etc.

are

recom-

mended.

Lubrication

is

normally

not

necessary

except

at

the

points

shown.

1.

Place

the

deck

in

the

horizontal

position.

2.

Apply

a

few

drops

of

oil

to

the

respective

spindles

shown,

exclud-

ing

capstans,

then

spread

the

oil

evenly

on

the

spindle

surfaces

using

a

cotton

cloth,

etc.

.

For

capstans,

apply

a

few

drops

to

the

indicated

position:

4.

After

oiling

all

the

points,

leave

the

deck

for

1

to

2

hours

until

the

oil

is

thoroughly

absorbed,

Figure

shows

left

side.

Do

also

for

right

side.

tension

roller

5

guide

roller

pinch

roller

capstan

&

BO

ed

Gf)

a

ee

Fig.

2-23

2-16

VOLTAGE

CONVERSION

(FOR

GENERAL

EXPORT

MODELS)

Always

disconnect

the

power

line

cord

before

making

these

adjust-

ments.

Frequency

Conversion

Since

the

X

series

uses

DC

motors,

frequency

conversion

is

not

necessary.

Voltage

Conversion

1.

First

remove

the

two

feet

by

removing

the

screws

in

each

one.

2.

Unscrew

the

left

and

right

sides

of

the

cabinet.

3.

Locate

the

voltage

selector

above

the

power

transformer

as

seen

from

the

rear

of

the

deck.

4.

Remove

the

plug

by

pulling

it

out,

then

re-insert

it so

that

the

arrow

on

the

piug

is

parallel

with

the

white

line

indicating

the

proper

voltage.

5.

Replace

the

cabinet

and

feet.

AOve

AOQZ

SCE):

Bee

Fig.

2-24

AOO!

X1000M/X-1000

3

ELECTRICAL

ADJUSTMENTS

AND

CHECKS

NOTES:

1.

Before

performing

adjustments

and

checks,

clean

and

demag-

netize

the

entire

tape

path.

2.

Check

that

the

deck

is

properly

set

for

the

voltage

in

your

lo-

cality.

3.

In

general,

adjustments

and

checks

are

done

in

the

order

of

L-ch

then

R-ch.

Double

REF.

Nos.

indicate

L-ch/R-ch.

3-1

MONITOR

PERFORMANCE

(Example:

R371/R372)

.

The

value

of

“dB”

refers

to

OdB

(0.775V).

If

an

AC

voltmeter

calibrated

to

0dB

(1V)

is

to

be

used,

appropriate

compensation

should

be

made.

.

The

AC

voltmeter

used

in

the

procedures

must

have

an

input

impedance

of

1M-ohms

or

more,

MODE/

CONNECTION

INSTRUCTION

SIGNAL

SOURCE

ADJUST

(or

CHECK)

RESULT

REMARKS

1.

Monitor

level

DBX

sw—OUT

{Leave

OUT

up

to

step

27,

“DBX

PER-

OSC

+

ATT

to

LINE

IN

(L)

400H2/—22dB

(61.5mV)

—8dB

(308mV)

LINE

min.

input

level

(L)

AC

voltmeter

to

REC

AND

PLAY

AMPL.

PCB

term.

FORMANCE”

section).

MON!TOR—SOURCE

2.

Output

2-1

level

3.

VU

meter

3-1

4,

MIC

input

level

#14,

MIC

ATT—O

OUTPUT

cont.—CAL

LINE

cont.-MAX

MIC

cont.—MIN

"

LINE

spec.

LINE

IN

(L)

>

input

level

condition

LINE

(N

(R}

#14

#17

Fig.

3-1

LINE

spec.

input

level

condition

Fig.

3-1

LINE

spec.

400Hz/—12dB

input

level

condition

|

(195mV)

LINE

cont.—MIN

MIC

cont.—MAX

Fig.’3-1,

but

LINE

IN

>

MIC

cont.—in

the

above

set

position

MIC

ATT—20

OSCILLATOR

ATTENUATOR

DISTORTION

ANALYZER

DECK

under

TEST

LINE

cont.—spec.

position

(Item

1-2)

MIC

cont.—MIN

|

MIC

ATT—O

OSCILLOSCOPE

AC

VOLTMETER

1KHz

FILTER

400Hz/—12dB

(195mvV)

”

400Hz/—12dB

(195mV)

400Hz/—70d0B

400Hz/—60dB

(0.775mV)

OSCILLATOR

R403/R404

R371/R372

LINE

IN

—5dB

(436mvV)

Ovu

on

VU

meter

—5dB

(436mvV)

—25dB

+1dB

(38.8mV

~

LINE

spec.

input

level

(R)

MIC

min.

input

level

IMPORTANT:

Do

not

disturb

these

cont’s

during

later

checks.

OSCILLOSCOPE

OUTPUT

LINE

IN

OUTPUT

Fig.

3-1

Basic

connection

10

Fig.

3-2

Connection

for

phase

check

0°

(IN

PHASE)

45°

90°

180

2

f

Fig.

3-3

Confirming

phase

reiationship

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