Sony Tcm-1000a User manual

Recording

system

Fast

winding

time

Frequency

response

Tape

speed

Speaker

Power

output

(DC)

Input

Output

Power

requirements

Battery

life

Dimensions

Weight

SPECIFICATIONS

2-track

1-channel

monaural

Approx.

2min.

30sec.

with

Sony

cassette

C-60

100~8,000

Hz

4.8cmisec.

(17,ips)

‘2%

adjustable

in

playback

Approx.

4.5cm

(11%4,inches)

dia.

Speaker:

320

mW

(at

10%

harmonic

distortion)

Microphone

input

jack

(PLUG-IN-POWER)

(minijack)

sensitivity

0.2mV

for

3k2

or

lower

impedance

Earphones

jack

(stereo

minijack)

load

impedance

8-300

2

3V

DC,

two

R6

{size

AA)

batteries

DC

IN

3V

jack

accepts:

optional

Sony

AC-D2M

AC

power

adaptor

available

in

European

countries

for

use

on

220

V

AC,

50

Hz

available

in

other

countries

for

use

on

120V

AC,

60

Hz

or

220V

AC,

50Hz

optional

Sony

DCC-70

car

battery

cord

for

use

on

12V

car

battery

(hours)

Batteries

Sony

battery

SUM-3(NS)

Sony

alkaline

battery

AM3(N)

Approx.

161.5x31.5x

109.7

mm

(wih/d)

(6%,

«

11,44

inches)

incl.

projecting

parts

and

controls

Approx.

400g

(1402)

incl.

batteries,

not

incl.

other

accessories

Recording

Approx.

3

Approx.

7

AEP

Madel

Model

Name

Using

Similar

Mechanism

Tape

Transport

Mechanism

Type

TCM-1000

MT-1000-30

FEATURES

¢

Pre-end

reverse

function

reverses

the

direction

of

the

tape

before

the

tape

comes

to

an

end,

so

recording

is

not

interrupted.

*

TONE

switch

cuts

out

background

noise

and

concentrates

on

the

frequencies

of

human

voice

to

allow

easier

listening

to

conference

recordings.

¢

Pre-end

alarm

and

pre-end

indicator

notify

you

of

the

approaching

end

of

the

tape.

¢

MIC

(PLUG

IN

POWER)

jacks

supply

power

to

an

optional

flat

microphone

like

Sony

ECM-K8.

¢

Built-in

flat

microphone

Note

if

a

car

battery

cord

or

AC

power

adaptor

not

manufactured

by

Sony

is

used,

a

fuse

must

be

installed

in

the

battery

cord,

or

the

AC

power

adaptor

and

the

polarity

of

the

piug

must

be

as

illustrated.

CASSETTE

CORDER

SONY.

TC

TCM-1000A

|

PARTS

IDENTIFICATION

[13]

Tape

operation

buttons

REC

(record)

button

PLAY

(playback)

button

PP

/<4<

(fast

winding)

buttons

STOP

button

(14]Battery

compartment

DC

IN

3V

(extemal

power

input)

jack

Connect

an

AC

power

adaptor

or

car

battery

cord.

[16]

ALARM

switch

(17)REMOTE

jack

Connect

a

remote

control

unit

or

foot

switch.

[18]

PRE-END

REVERSE

switch

Set

it

to

ON

for

continuous

recording

of

both

sides

of

the

tape

without

interruption.

SPJ}

Fis

-

[19]

SPEED

CONTROL

Adjust

the

playback

speed.

At

the

center

click

the

playback

is

at

normal

speed.

©

(earphones)

jack

(stereo

minijack)

(21]MIC

(PLUG

IN

POWER)

jacks

1,2

(minijack)

TIPS

FOR

EASY

OPERATION

TO

KNOW

THE

TAPE

END

IN

RECORDING

MODE

a]

(3)

[al

Set

the

ALARM

switch

to

ON

during

recording.

The

alarm

sounds

and

the

indicator

begins

blinking

approximately

a

few

minutes

before

the

end

of

the

tape.

If

you

set

the

ALARM

switch

to

OFF,

the

alarm

will

not

sound

[1]

TAPE

COUNTER

and

reset

button

but the

indicator

will

blink.

Use

the

counter

to

index

the

tape

contents.

Push

the

reset

button

to

reset

the

counter

to

“000”.

Note

If

the

tab

of

the

reverse

side

is

broken,

the

pre-end

alarm

sounds

[2]

Speaker

approximately

two

minutes

before

the

end

of

the

front side.

[3

REC/BATT

(recording/battery)

indicators

WHAT

IS

PRE-END

REVERSE

FUNCTION?

This

function

allows

the

unit

to

change

the

tape

transport

[4

]PRE-END

indicators

direction

a.few

minutes

before

the

front

side

of

the

tape

[5]

TONE

(REC/PB)

selector

reaches

the

end.

Continuous

recording

of

both

sides

of

the

tape

can

be

made

without

interruption

when

the

PRE-END

[6]BATT

CHECK

(battery

check)

button

REVERSE

switch

is

set

to

ON.

fois

When

the

switch

is

set

to

OFF,

recording:is

interrupted

at

the

[7] VOL

(volume)

control

.

beginning

of

the

leader

tape.

[8]PAUSE

switch

Note

The

pre-end

reverse

function

may

not

work

with

a

cassette

with

large-

diameter

hubs,

such

as

a

46-minute

cassette.

TO

STOP

THE

TAPE

MOMENTARILY

To

stop

the

tape

momentarily,

slide

in

the

direction

of

the

arrow.

To

restart

the

tape,

slide

back

to

the

original

position.

(9]Flat

Mic

(built-in

microphone)

c

Slide

the

PAUSE

switch

to

the

direction

of

the

arrow.

assette

compartment

To

restart

recording

or

playback,

slide

the

PAUSE

switch

to

the

:

opposite

direction

of

the

arrow.

(11]

DIRECTION

(tape

transport

direction)

indicators

&:

for

playback

or

recording

on

the

front

side

Notes

<4:

for

playback

or

recording

on

the

reverse

side

¢

PAUSE

switch

is

automatically

released

when

the

STOP

button

is

pressed.

; :

(12]DIRECTION

button

¢

Do

not

press

the

DIRECTION

button

while

the

unit

is

in

the

pause

Press

to

change

the

tape

transport

direction.

mode.

If

you

do,

the

unit

may

be

damaged.

—2—

TEM-TOOOA

-

SECTION

1

DISASSEMBLY

Note:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

CASSETTE

LID

REMOVAL

‘

@

M1.4x

1.6

REAR

CABINET

REMOVAL

MAIN

BOARD

@

M1.4x2

@

M1.4x4

eg

@

vear

cabinet

@

Pp2x8

@

M1.4x4

eee

get

LSS

:

Go

—

a

|

@

M1.4x

1.6

@

Pull

out

the

terminal

board.

a

NAY

~

}

.

~_.

2

Pe

i

main

board

blind

plate

(A)

TCM-1000A

FRONT

CABINET

©

spring

©

toggle

plate

@

reinforcement

3)

terminal

board

(+)

CAPSTAN

BELT

REMOVAL

MOTOR

(M901)

REMOVAL

©

capstan

belt

@

M1.4x«35

@

M1.4x

1.6

TCM-1000A

SECTION

2

ADJUSTMENTS

2-1.

MECHANICAL

ADJUSTMENT

PRECAUTION

1.

Clean

the

following

parts

with

a

denatured-

alcohol-moistened

swab:

record/playback

head

pinch

roller

erase

head

rubber

belts

capstan

idiers

2.

Demagnetize

the

record/playback

head

with

a

head

demagnetizer.

(Do

not

bring

the

head

demagnetizer

close

to

the

erase

head.)

3.

Do

not

use

a

magnetized

screwdriver

for

the

adjustments.

4.

After

the

adjustments,

apply

suitable

locking

compound

to

the

parts

adjusted.

5.

The

adjustments

should

be

performed

with

the

rated

power

supply

voltage

(2.5

V

dc)

unless

otherwise

noted.

Torque

Measurement

22

—

48

g-cm

CQ102€

|

(0.29

—

0.64

oz-inch)

22

—

48

g-cm

more

than

60

g-cm

FF,

REW

CQ-2018B

(0.83

oz-inch)

.

0.5

—

5

g-cm

Back

Tension

CQ-102C

(0.01

—

0.1

02-inch)

.

more

than

60

g:cm

Tape

pulling

force}

CQ-403A

(0.83

oz-inch)

Test

Tape:

Type

Signal

Used

for

P-4-A063

6.3

kHz,

—-10dB

|

Azimuth

Adjustment

WS-48A

3

kHz,

0

dB

Tape

Speed

Adjustment

2-2.

ELECTRICAL

ADJUSTMENTS

Record/playback

Head

Azimuth

Adjustment

Setting:

VOL

control:

mechanical

mid

Procedure:

1.

Mode:

forward-playback

test

tape

P-4-A063

(6.3

kHz,

~10

dB)

earphones

jack

Lz)

.

Turn

the

adjustment

screw

for

maximum

VTVM

reading.

.

Set

in

the

reverse-playback

mode

and

repeat

the

steps

1

—

2.

Note:

Several

peaks

may

appear,

but

take

the

maximum.

Adjustment

Location:

adjustment

screw

TCM-1000A

Tape

Speed

Adjustment

Record

Bias

Adjustment

Setting:

:

Procedure:

Power

supply

voltage:

2

V

dc

1.

Mode:

record

VOL

control:

mechanical

mid

Procedure:

blank

tape

Mode:

FWD

speed

checker

€)

§942

3002

CS-121

LF

we

O

attenuator

digital

frequency

'

oo

counter

i

test

tape

awed

WS-48

(3

kHz,

0

dB)

earphones

jack

2.

Mode:

playback

recorded

portion

Specification:

Speed

checker

Digital

frequency

counter

3,000

Hz

+1%

2,970

—

3,030

Hz

earphones

jack

3.

Adjust

the

VOLUME

control

so

that

1

kHz

output

Adjustment

Location:

is

77.5

mV

(—20

dB).

4.

Confirm

that

250

Hz

and

6.3

kHz

output

is

—4

+3

bush

:

dB

relative

to

1

kHz

output.

adjustment

hole

5.

If

necessary,

change

the

parttern

connections

and

repeat

the

steps

given

above.

.

VTVM

reading

high

Adjustment

Location:

main

board

[MAIN

BOARD]

TCM-1000A

P.E.A

(Pre-end

alarm)

Clock

Frequency

Adjustment

Setting:

Supply

of

power

voltage:

2

V

Procedure:

1.

Connect

a

frequency

counter

as

shown

in

the

figure.

[MAIN

BOARD]

frequency

counter

.

Put

into

the

record

mode

and

adjust

RV201

so

that

the

reading

on

the

frequency

counter

at

about

the

end

of

the

tape

is

960

—

1,000

Hz.

Standerd

tape:

60

min.

tape

(CS-121

or

equiva-

lent.)

.

If

the

adjustment

control

does

not

have

enough

range,

change

the

connections

of

the

patterns

(A)

:

and

re-do

the

adjustment.

.

Confirm

if

the

tape

automatically

reverses

the

direction

at

within

2

+1

min.

from

the

end

of

the

tape.

TCM-1O00A

|

3-1.

MOUNTING

DIAGRAM

—

Conductor

Side

—

©

Semiconductor

Lead

Layouts

2SA812

182835

28C1623

2SB733

cathode

anode

AN6612S

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CX20107

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19

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(Top

view)

SLP151B

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code

or

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over

the

end

of

the

jacket.

O——

:

parts

extracted

from

the

component

side.

@——

:

parts

extracted

from

the

conductor

side.

®

=:

part

mounted

on

the

conductor

side.

®)

:

Through

hole.

component-side

pattern.

11

13

14

15

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er

x

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ry

(0)

+

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°o

PHD

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Q)

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1):

:

85

:

a

:

[LED

BOARD(I/3)}

vay

N

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ff

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SPEED

PAUSE

M5

8

a

1064)

ss

3

as

ae

n “

a8

OFF~=ON

en

x

Ne

S

bs

Q204

s

x

38

pee

od

oo

$401

N

a

IS

$

rs)

Na

=

Ny

rs)

S$

rn

PAUSE

oO

fe)

&

‘o

o

RV6OI

r=

©

2

ro

e}|

je

2

©

SkiB)

A

&

2

TAPE

SPEED

bp

Ree

Sees

y

:

|

cae

Q207

2SCI623

Q208_

2SAII62

IC6O!

ANGEI2S

servo

<=

SWITCHING

an

alii

Q205

2SD596

D201

IS2837

D202

1S2835

Q214

25C1623

CONTROL

SWITCHING

PH201,202

GP2S04B

IC20l

TKIO040

Q20l

2SAlI62

Q202,203,204,21,212,213

2SC1623

L

REEL

DET

PRE-END

DET

SWITCHING

S202

ERASE

PROOF

{B

SIDE)

er

RTS

OE

19

20

Note:

TCM-1000A

21

22

e

All

capacitors

are

in

wF

unless

otherwise

noted.

pF:

uwuF

50WV

or

less

are

not

indicated

except

for

electrolytics

and

tantalums.

e

All

resistors

are

in

Q

and

%

W

or

less

unless

otherwise

specified.

@

mee

-

6+

bus.

{__]

:

adjustment

for

repair.

Power

voitage

is

3

V

DC

and

fed

with

regulated

dc

power

supply

from

DC

in

3

V

(external

power

voltage)

jack.

Voltages

are

DC

with

respect

to

ground

in

no-signal

con-

dition.

no

mark:

PLAY

mode

{

):

{(

):

[

ie

<

>t

<

>:

{[

12

digital

volt

meter.

e

Reading

Oe

e

Switch

:

siqnal

path.

DIRECTION

REC/PB

TONE

(REC/PB)

POWER

ALARM

ERASE

PROOF

(B

SIDE)

REVERSE

PAUSE

BATTERY

CHECK

PRE-END

REVERSE

(REVERSE)

B

side

(with

the

erase

proof

claw)

REC

mode

B

side

(without

the

erase

proof

claw)

REC

mode

PRE-END

detect

mode

direction

mode

Plunger

operation

mode

BATT.

check

mode

are

taken

under

no-signal

conditions

with

a

OTHERS

ON

OFF

TCM-1000A

SECTION

4

EXPLODED

VIEWS

AND

PARTS

LIST

NOTE:

The

mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

>

Items

marked

“

*"

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

be

antici-

pated

when

ordering

these

items.

(1)

*

The

construction

parts

of

an

assembled

part

are

indicated

with

a

collation

number

in

the

remark

column.

No.

Part

No.

Description

Remarks

|

No.

Part

No.

1

3-703-710-01

STICKER,

SONY

SYMBOL

(12)

13

3-545-657-11

2

3-318-205-01

SCREW

(1.7X2.5)

14

3-335-528-01

3

3-335-520-01

KNOB,

SPEED

CONTROL

15

X-3335-530-1

4

3-335-519-01

KNOB,

VOLUME

16

3-320-382-01

5

*3-335-590-01

CLAMP,

JACK

17

3-703-816-12

PLATE

(A),

BLIND

6

3-305-653-00

7

CUSHION

(B)

3-831-441-11

18

3-335-597-01

19

X-3335-528-1

Description

9

*3-701-999-00

LABEL,

SERIAL

NUMBER

20

7-685-104-19

10

3-703-816-01

SCREW

(M1.4X2.0),

SPECIAL

HEAD

21

7-685-105-19

11

3-703-816-31

SCREW

(M1.4X1.6),

SPECIAL

HEAD

22

3-570-921-00

12

3-703-502-12

SCREW

23

3-703-929-01

901

*A-3015-540-A

—|

4—

Remarks

BUSH

SHAFT

,

BATTERY

CASE

LID

CABINET

ASSY,

REAR

FOOT,

RUBBER

SCREW

(M1.4X4.0),

SPECIAL

HEAD

PLATE,

LOCK,

BATTERY

CASE

LIO

LID

ASSY,

BATTERY

SCREW

+P

2X6

TYPE2

SLIT

SCREW

+P

2X8

TYPE2

SLIT

SPACER,

SWITCH

SPACER,

SWITCH

MAIN

BOARD

ASSY

Sony TCM-1000A User manual

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