Sony TC-150 Manuale utente

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Power Requirements:

,Power Consumption:

Power Output:

SPECIFICATIONS

de,

four

baneries, size

AA,

(IEC

Designation R-6),

Rechargeable

Battery

Pack BP-28

(optional)

V car

battery

with

SONY

Car

Battery

Cord

DCC·127H

(optlonal)

120

V ac,

with

SONY

Power .

Adaptor

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

....

for

USA

Model

with

SONY

Power

Adaptor

Fast Winding Time:

Fraqu8ncy Responsa:

Input:

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

for

Canadian Model Output:

220

240Vac

(100,

110~

127V

adjustable),

50/60

with

SONY

Power

Adaptor

AC-4

(optional

.) ...•

for

E Model

110, 220 V

adjustable,

50/60

with

SONY

Power Pack

AC-456C (optional) ...

for

AEP Model

240

V ac,

with

SONY

Power

Adaptor

AC-15

(optional)

......

for

Model

6W (with

AC.:9W

or AC·9)

(with

AC-15)

9VA

(with

AC-456C)

7.4

(with

AC-4W)

6.SVA

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

inches) dia.

Recording System:

Tape Speed: 2-

track

1·channel monaural

4.8

cm/sec (17/s ips)

Model

Canadian

Model

E Madel

AEP Model

11/:odel

Approx.

min.

sec.

with

SONY

Cassette C-60

......

10,000Hz

(USA,

Canada,

AEP Model)

150~

8,000

(UK

Model)

M!IC .....•...•.......... 1 (

mini

jack)

nsitivity

0.2

72dB) ·

for

low

impedance microphone .

EARPHONE

....•

•.

{mini

jack)

8 n earphone

load impedance

kfl

higher

REMOTE ....•.•••... 1

Approx.

2.5 hours

continous

recording

from

the

built-

microphone

with

SONY

Super

Batteries, size

(IEC Designation R-6)

Approx.

174(w)

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

67/s

(w)

x 11

/4(h)

4½(d)

inches

Approx.

760

g (1 lb

oz)

0dB=0

775V

SONY.

SERVICE

MANUAL

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TC-150/B.

BT-50

1-1.

BLOCK

DIAGRAM

J t

nVi

RPH

REC

RECORO

PLAYBACK

PREAMP

01,2

SERVICING NOTE

circuit

board

€)

Before attaching

the

lower panel, confirm

that

portion G

detached from portion

€)

SECTION 1

OUTLINE

REC

PB-R

AGC

l--

_ _

._.....i

METER

AWP

MUSIC/SPEECH

SPEECH-MUSIC

METER

CHING

---<1--

--o----"-

BATT

9-,.

CHECK

POWER

·.•

OSC

RIPPLE

FILTU!

(

TUR

WIO

E )

PLA

YBACK,

AIST

ORMRO,

REC000

REWIND

aITTOII

PUSIIEO

r----

r=t=~J_~~

~==-

;~-~~CNJ

MOTOR

Cfl

VER

•.

. I

. I I

~---

--------

---J

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

REMOTE

TART

/ST

L-o--,,n

START

STOP

o----1

ECHARGEABLE

BATT

BP-28

c-i

-L

o--1

ORY

BATTERY

IZE

"AA"

DESIGNATION

R-6

4PCS,

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1-2. AUTOMATIC

SHUT-OFF

MECHANISM

TC-I

mechanism is

designed t

hat

automati-

cally

shuts

tape

ansport

off

reco

playback

mode

. When

the

tape

comes

the

end,

the

tape tension

sto

tak

e-up reel spindle

from

rotating. This mechanism mechanically d

ects

such

During

tape

travef:

D ~

motor

TC-150/B.

BT-50

the

reel spindle

rotation

returns

transport

top

mode.

This

eration

playback

mode

is described as

follows.

The

operatio

n in record

mode

the

same

playback mode.

0 0 0

@pulley

;

dri..,.

belt

friction

pullr,,

■

The

motor

rotatu

the

frictio

pulley

clockwi#.

(

O,wat

or<Nr:

@ -

The

the

shut-off

rAr

mow,

only

within

portion

b«:au•

th•

clockwiSII

fore» is

applied

the

detect•

ing

lewr.

(!)

intermediar.,

pulley

3 -

second

gar

@ $

pind

l•

drum

,_.,

,_/

cam

{Jtlllf

■

Th•

intermed

;.re

pulley

rotatn

the

cam

gnr

through t

second

gear.

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yc:.1so;a.

BT-so

.::

__________

_____

■

Th•

friction

pullev

applin

clockwi,a

force

the

detect-

through

coil

spring.

When

tape

stops traveling

tape

end:

1!1

■

The l

ock

late

rele

ase$

the

forward

button.

orward

button

■

Wl'len

the

tape

stops

tnwtling

cape

end

the

frict

-p

ull

dlrectlV

connected

with

the

take-

I sp

indl

stops

mov

ing. The

friction

pullev,

th•efor11,

stops

ppl

the

clockwi1t1-

forC#I

the

detecting

/11wtr.

■

The

the

shut-off

/ewtr

ptah••

the

dettcting

ver

shown

below.

4 -

orward

button

' I

' _

.,,

axi

•

fricti

ll•v

detecting

llflr------

shut-off

A-

■

The

shut-off

ltltlW

continua

ret:ip,

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ock

plate

cam gear

The

shut-off

lever S pushes

the

ock

plate.

shut-off

tev,r

■

The

shut-off

/aver geer con•

nected

with

the

shut-off

lever

the

axis

• ·

mown

to·

,n~~

with thtl

small

gear.

axis.

■

The

goes

portion

Ci)

through portion- 0 .

TC-150/B.

BT-50

www.SteamPoweredRadio.Com

TC-150/B.

BT-50

UPPER

PANEL REMOVAL

SECTION 2

DISASSEMBLY

Note: Use

the

same

screws as t

pane

l's.

(Silver screws for TC•lSO, BT-SO)

lack

screws for TC-150B

LOWER

PANEL REMOVAL

sure

use

the

screws specified

ebo

ve.

- 6 -

CASSETTE

LID

EMC

: To avo

losint

bes

ure

CIRCUIT BOARD REI\

@ Circ

uit

Board

....

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•

VAL

Remove

the

cassette

0P2x4

; toggle springs attached

the

cassette lid,

the

cassette lid

and

the

n remove

IDVAL

(})

Screw, circuit

board

7 -

TC-150/B.

BT-50

REEL

PANEL

REMOVAL:

and @

MAIN

CHASSIS REMOV

(

PART

1):

MAIN

CHASSIS

REMOVAL

(

PART

www.SteamPoweredRadio.Com

1C-150/B.BT-50

Note:

• Do

not

remove

is screw usually.

•

necessary

remove this screw,

not

lose the spring attached

this screw in-

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

Torque Measurement

TC-150/B.BT-50

Flywheel Thrust Play Adjustment

-playback mode -

ammeter

Keep

the

set

horizontally

and

confirm

that

the

B+ voltage

5 Vdc.

6Vdc

-terminals

the

battery

case

Loosen

two

adjustment

screws.

Tum

one

them

clockwise carefully.

Stop

turning

when

the

current

suddenly

in-

creases

and

back

tum.

Adjust

the

other

screw in

the

same way as

step 2

and

5. Secure

the

adjustment

sc.rews

with

locking

compound.

adjustment screws

Pinch Roller Pressure Measurement

-playback mode -

Read

the

scale

when

the

pinch roller

just

touches

the

capstan

and

starts

tum.

Permissible

reading:

200

300

oz)

Torqu

e SONY

To,que

Met

Forward

CQ!OlA,

CQ102A,

CQ!03A

Fast Forward CQ201A

and Rewind

Cue

d CQ201A

Review

Wow and Flutter Measurement

Permissible value:

within

0.38

9 -

Pe,miuibla

Rea

ding

-45g·cm

(0.35

0.63

OZ·inch)

over SS g•cm

(0.

oz·inch)

over

g·cm

(

0.76

oz·inch)

·"

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TC-150/B.

BT-50

3-2.

ELECTR

CAL

ADJUSTMENTS

PRECA

UTION

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

head demagnetizer.

(Do

not

bring

the

head demagnetizer close

the

erase head, and

not use magnetized

screwdriver

for

adjusting).

3. After

the

adjustments, apply

the

locking

compound

the

adjusted parts.

The

adjustments

shou

performed in

the

order

listed in this service manual.

The

adjustments should

performed

with

the

rat

ed po

wer

voltage

unle

othe

ise

specified.

Tape Spe

Adjus

Setting

Power

sou

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

Pro

dure:

Mode playback

w.,.

SptJed

checker

ONY

LFM

30}

(

JkHz

OdB}

digital

frequency

coun

S8t

t4====

EARPHON

Speficications

Speed

checker I Digital frequen

counter I

li---±3-

----t

--29_1_0

H_z_~-30_9

_0_

H_z_

---t

quency

difference between beginning and

end

tape should be within I

(

Hz).

the

above specification is

not

satisfied, adjust

R40.

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