Sony TC-150 User manual

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Power Requirements:

,Power Consumption:

Power Output:

SPECIFICATIONS

6V

de,

four

baneries, size

AA,

(IEC

Designation R-6),

Rechargeable

Battery

Pack BP-28

(optional)

or

12

V car

battery

with

SONY

Car

Battery

Cord

DCC·127H

(optlonal)

120

V ac,

60

Hz

with

SONY

AC

Power .

Adaptor

AC-9W ................

..

....

for

USA

Model

with

SONY

AC

Power

Adaptor

Fast Winding Time:

Fraqu8ncy Responsa:

Input:

AC-9 .........................

for

Canadian Model Output:

220

~

240Vac

(100,

110~

127V

adjustable),

50/60

Hz

with

SONY

Power

Adaptor

AC-4

W

(optional

.) ...•

for

E Model

110, 220 V

ac

adjustable,

50/60

Hz

with

SONY

Power Pack

AC-456C (optional) ...

for

AEP Model

240

V ac,

50

Hz

with

SONY

AC

Power

Adaptor

AC-15

(optional)

......

for

UK

Model

6W (with

AC.:9W

or AC·9)

9W

(with

AC-15)

9VA

(with

AC-456C)

7.4

VA

at

50

Hz

(with

AC-4W)

6.SVA

at

60Hz

(with

AC-4W)

360mW

(max.I

(USA,

Canada, E, AEP Model)

320

mW (max.)

(UK

Model)

Q,ther Jack:

Battery

life:

Dimensions:

Weight:

Speaker: 5

cm

(2

inches) dia.

Recording System:

Tape Speed: 2-

track

1·channel monaural

4.8

cm/sec (17/s ips)

US

Model

Canadian

Model

E Madel

AEP Model

UK

11/:odel

Approx.

1

min.

50

sec.

with

SONY

Cassette C-60

90

......

10,000Hz

(USA,

Canada,

E,

AEP Model)

150~

8,000

Hz

(UK

Model)

M!IC .....•...•.......... 1 (

mini

jack)

se

,

nsitivity

0.2

mV

(-

72dB) ·

for

low

impedance microphone .

EARPHONE

....•

•.

1

{mini

jack)

8 n earphone

or

load impedance

10

kfl

or

higher

REMOTE ....•.•••... 1

Approx.

2.5 hours

of

continous

recording

from

the

built-

in

microphone

with

SONY

Super

Batteries, size

AA

(IEC Designation R-6)

Approx.

174(w)

x 29.S(h) x 113(d)

mm

67/s

(w)

x 11

/4(h)

x

4½(d)

inches

Approx.

760

g (1 lb

11

oz)

I

0dB=0

.

775V

I

SONY.

SERVICE

MANUAL

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TC-150/B.

BT-50

1-1.

BLOCK

DIAGRAM

e

J t

nVi

g

MI

C

RPH

-

REC

:

RECORO

PB

:

PLAYBACK

PREAMP

01,2

SERVICING NOTE

circuit

board

€)

Before attaching

the

lower panel, confirm

that

portion G

is

detached from portion

€)

SECTION 1

OUTLINE

SI

REC

/

PB

PB-R

EC

AGC

03

l--

_ _

_.

02

._.....i

METER

AWP

06

~

S5

MUSIC/SPEECH

SPEECH-MUSIC

METER

SW

IT

CHING

05

S4

---<1--

--o----"-

BATT

V

S

1-

4

9-,.

CHECK

S2

POWER

·.•

BI

AS

OSC

04

RIPPLE

FILTU!

Q7

(

TUR

NS

ON

WIO

HI

E )

PLA

YBACK,

AIST

F

ORMRO,

REC000

OR

REWIND

aITTOII

IS

PUSIIEO

r----

--

r=t=~J_~~

~==-

;~-~~CNJ

MOTOR

Cfl

l

VER

08

•.

. I

. I I

L

__

~---

,

--------

---J

I

J3

\-._-1---o--.JI

REMOTE

2

S3

S

TART

/ST

OP

L-o--,,n

START

t

I>

STOP

:n

o----1

R

ECHARGEABLE

BATT

E

RY

BP-28

OC

IN

6V

c-i

T

'

-L

o--1

ORY

BATTERY

S

IZE

"AA"

O

EC

DESIGNATION

R-6

I

4PCS,

6V

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1-2. AUTOMATIC

SHUT-OFF

MECHANISM

TC-I

50

mechanism is

so

designed t

hat

it

is

automati-

cally

shuts

tape

tr

ansport

off

at

ta

pe

en

d

in

reco

rd

or

playback

mode

. When

the

tape

comes

to

the

end,

the

tape tension

sto

ps

th

e

tak

e-up reel spindle

from

rotating. This mechanism mechanically d

et

ects

such

During

tape

travef:

D ~

n

©

motor

TC-150/B.

BT-50

st

op

of

the

reel spindle

rotation

a

nd

returns

ta

pe

transport

to

s

top

mode.

This

op

eration

in

playback

mode

is described as

follows.

The

operatio

n in record

mode

is

the

same

as

in

playback mode.

0 0 0

@pulley

be

;

-

.

..

,

.

®

dri..,.

belt

@

friction

pullr,,

■

The

motor

rotatu

the

frictio

n

pulley

clockwi#.

(

O,wat

l

on

or<Nr:

@ -

@)

II

The

of

the

shut-off

/

rAr

A

mow,

only

within

portion

O

b«:au•

th•

clockwiSII

fore» is

applied

to

the

detect•

ing

lewr.

(!)

intermediar.,

pulley

3 -

second

gar

@ $

pind

l•

drum

,_.,

,_/

cam

{Jtlllf

■

Th•

intermed

;.re

pulley

rotatn

the

cam

gnr

through t

he

second

gear.

,.

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yc:.1so;a.

BT-so

.::

__________

_____

_,

■

·

Th•

friction

pullev

applin

clockwi,a

force

to

the

detect-

i

ng

,_

through

coil

spring.

When

tape

stops traveling

at

tape

end:

1!1

~

ID

■

The l

ock

p

late

rele

ase$

the

forward

button.

f

orward

button

■

Wl'len

the

tape

stops

tnwtling

-

at

cape

end

,

the

frict

i

on

-p

ull

ev

dlrectlV

connected

with

the

take-

up

rH

I sp

indl

e

stops

mov

ing. The

friction

pullev,

th•efor11,

stops

to

a

ppl

v

the

clockwi1t1-

forC#I

to

the

detecting

/11wtr.

■

The

of

the

shut-off

/ewtr

A

ptah••

the

dettcting

le

ver

a,

.

shown

below.

4 -

f

orward

button

0

' I

' _

.,,

axi

s

•

l

fricti

on

pu

ll•v

detecting

le

llflr------

shut-off

,_

A-

■

The

shut-off

ltltlW

continua

ID

ret:ip,

~

www.SteamPoweredRadio.Com

l

ock

plate

cam gear

II

The

shut-off

lever S pushes

the

l

ock

plate.

shut-off

tev,r

8

■

The

shut-off

/aver geer con•

nected

with

the

shut-off

lever

A

on

the

axis

• ·

mown

to·

,n~~

with thtl

small

gear.

axis.

■

The

goes

ro

portion

Ci)

through portion- 0 .

5

TC-150/B.

BT-50

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TC-150/B.

BT-50

UPPER

PANEL REMOVAL

SECTION 2

DISASSEMBLY

Note: Use

the

same

co

lo

ur

screws as t

he

pane

l's.

(Silver screws for TC•lSO, BT-SO)

B

lack

screws for TC-150B

LOWER

PANEL REMOVAL

Se

sure

to

use

the

screws specified

ebo

ve.

- 6 -

CASSETTE

LID

R

EMC

No

te

: To avo

id

losint

bes

ure

to

close

CIRCUIT BOARD REI\

@ Circ

uit

Board

....

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•

VAL

@

Remove

the

cassette

li

d.

0P2x4

; toggle springs attached

to

the

cassette lid,

:

the

cassette lid

and

the

n remove

it

.

IDVAL

(})

Screw, circuit

board

7 -

TC-150/B.

BT-50

REEL

PANEL

REMOVAL:

G)

and @

MAIN

CHASSIS REMOV

AL

(

PART

1):

@

MAIN

CHASSIS

REMOVAL

(

PART

2)

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1C-150/B.BT-50

Note:

• Do

not

remove

th

is screw usually.

•

If

necessary

to

remove this screw,

do

not

lose the spring attached

by

this screw in-

s

id

e the case.

MOTOR REMOVAL

@

Motor

SHUT-OFF BLOCK REMOVAL

©

Lift

the

flywheel

retainer.

,:;\

0_;P2x4

Lever

(A)

Ass

'y,

forward

- 8 -

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SECTION 3

ADJUSTMENTS

AND

MEASUREMENTS

3-1. MECHANICAL ADJUSTMENT ANO MEASUREMENTS

3.

Torque Measurement

TC-150/B.BT-50

1.

Flywheel Thrust Play Adjustment

-playback mode -

de

ammeter

Keep

the

set

horizontally

and

confirm

that

the

B+ voltage

is

5 Vdc.

t

6Vdc

-terminals

of

the

battery

case

1.

Loosen

two

adjustment

screws.

2.

Tum

one

of

them

clockwise carefully.

3.

Stop

turning

it

when

the

current

suddenly

in-

creases

and

back

it

¼

tum.

4.

Adjust

the

other

screw in

the

same way as

step 2

and

3.

5. Secure

the

adjustment

sc.rews

with

locking

compound.

adjustment screws

2.

Pinch Roller Pressure Measurement

-playback mode -

Read

the

scale

when

the

pinch roller

just

touches

the

capstan

and

starts

to

tum.

Permissible

reading:

200

~

300

g

(7

~

11

oz)

Torqu

e SONY

To,que

Met

e,

Forward

CQ!OlA,

CQ102A,

CQ!03A

Fast Forward CQ201A

and Rewind

Cue

an

d CQ201A

Review

4.

Wow and Flutter Measurement

Permissible value:

within

0.38

%

9 -

Pe,miuibla

Rea

ding

25

-45g·cm

(0.35

-

0.63

OZ·inch)

over SS g•cm

(0.

76

oz·inch)

over

55

g·cm

(

0.76

oz·inch)

·"

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TC-150/B.

BT-50

3-2.

ELECTR

I

CAL

ADJUSTMENTS

PRECA

UTION

l.

Clean

the

following partswithalcohol moistened

swab:

Record/Playback h

ead

Erase head

Capstan

Pinch roller

Rubber

belts

Idlers

2. Demagnetize

the

record/playback head

with

a

head demagnetizer.

(Do

not

bring

the

head demagnetizer close

to

the

erase head, and

do

not use magnetized

screwdriver

for

adjusting).

3. After

the

adjustments, apply

the

locking

compound

to

the

adjusted parts.

4.

The

adjustments

shou

ld

be

performed in

the

order

listed in this service manual.

5.

The

adjustments should

be

performed

with

the

rat

ed po

wer

su

pp

ly

voltage

unle

ss

othe

rw

ise

specified.

1.

Tape Spe

ed

Adjus

tm

e

nt

Setting

s:

Power

sou

rce ................ 6 V

de

Pro

ce

dure:

1.

Mode playback

w.,.

49

SptJed

checker

(S

ONY

LFM

-

30}

(

JkHz

,

OdB}

or

digital

frequency

coun

t

er

~-

S8t

t4====

~

J'

EARPHON

E

Speficications

I)

I

Speed

checker I Digital frequen

cy

counter I

li---±3-

%

----t

l

--29_1_0

_

H_z_~-30_9

_0_

H_z_

---t

l

2)

Fr

e

quency

difference between beginning and

end

of

tape should be within I

%

(

30

Hz).

2.

If

the

above specification is

not

satisfied, adjust

R40.

QR

40

0

-

10

-

,,

Sony TC-150 User manual

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