Sony Pressman TCM-929 Manual de usuario

TCM-929/939

TCM-929

Canadian

Model

AEP

Model

Australian

Model

TCM-939

Photo:

TCM-939

TCM-919

MT-929

Model

Name

Using

Similar

Mechanism

Tape

Transport

Mechanism

Type

SPECIFICATIONS

Recording

system

2-track

channel

monaural

Frequency

range

150

8,000

Speaker

Approx.

6.6

(2%

in.)

dia.

Power

output

400

(at

harmonic

distortion)

Input

Microphone

input

jack

(minijack)

sensitivity

0.775

for

low

impedance

microphone

Output

Earphone

jack

(minijack)

for

300

ohms

earphone

Power

requirements

Four

size

(R6)

batteries

(not

supplied):

¢DC

jack

accepts:

Supplied

power

adaptor

suitable

the

country

where

the

unit

used.

Dimensions

(w/h/d)

(incl.

projecting

parts

and

controls)

Approx.

144

237

5%A~x2%x9I

¥%in.)

Mass

(not

incl.

batteries)

Approx.

675

(23.9

oz.)

Supplied

accessories

power

adaptor

(1)

(US,

Canadian

and

European

model

only)

Design

and

specifications

are

subject

change

without

notice.

CASSETTE

CORDER

SONY.

SECTION

This

section

extracted

from

instruction

manual.

Recording

You

can

record

right

away

with

the

built-in

microphone.

Make

sure

that

nothing

connected

the

MIC

jack.

TAPE

COUNTER

and

counter

reset

button

REC

STOP/

EJECT

PAUSE

Press

the

counter

reset

button

reset

the

TAPE

COUNTER.

Press

§&

STOP/EJECT

open

the

cassette

holder.

Insert

TYPE

(normal)

tape

with

the

side

start

recording

facing

upward,

and

the

cassette

holder.

Press

REC.

PLAY

depressed

automatically.

the

end

the

tape,

recording

stops

and

the

unit

turns

off

automatically.

Press

Stop

recording

M+

STOP/EJECT

Pause

recording

PAUSE

Press

the

button

again

resume

recording.

Notes

You

cannot

monitor

the

recording

sound.

For

recording,

recommend

the

use

TYPE

(normal)

tapes

only.

not

use

TYPE

(CrO2)

and

TYPE

(metal)

tapes.

Recording

with

External

Microphone

MIC

(PLUG

POWER)

Connect

microphone

low

impedance

(not

supplied)

the

MIC

jack.

The

built-in

microphone

automatically

disconnected.

When

using

plug-in-power

system

microphone,

the

power

the

microphone

supplied

from

this

unit.

GENERAL

Playing

Tape

EAR

FF/CUE

REW/REVIEW

PLAY

STOP/

EJECT

PAUSE

VOL

(volume)

Press

STOP/EJECT

open

the

cassette

holder.

Insert

TYPE

(normal)

tape

with

the

side

start

play

facing

upward,

and

the

cassette

holder.

Press

PLAY

then

adjust

the

volume.

the

end

the

tape,

playback

stops

and

the

unit

turns

off

automatically.

Press

slide

m@@

STOP/EJECT

Stop

playback/stop

fast

forward

rewind

PAUSE

Press

the

button

again

resume

play.

Press

and

hold

>»

FF/CUE

and

release

the

point

you

want

Press

and

hold

REW/REVIEW

and

release

the

point

you

want

Pause

playback

forward

during

playback

(CUE)

backward

during

playback

(REVIEW)

Fast

forward

FF/CUE

during

stop

Rewind

REW/REVIEW

during

stop

the

end

the

tape

All

the

locked

buttons

will

automatically

released

(Full

auto

shut-offmechanism).

listen

with

earphone

Connect

earphone

(not

supplied)

the

EAR

jack

the

unit.

The

built-in

speaker

will

automatically

disconnected.

SECTION

DISASSEMBLY

Note:

the

disassembly

procedure

the

numerical

order

given.

REAR

CABINET

two

screws

(BVTP3

Open

the

battery

case

lid.

three

screws

«——

(BVTP3

10)

rear

cabinet

handle

MAIN

BOARD

MAIN

board

screw

(BVTP3

screw

(BVTP3

VAL

SNA

;

cord

(from

HRP101)

MICi101

lug,

three

cord

(from

$102,

SP101,

M901)

MECHANISM

DECK

two

screws

spring

(BVTP3

Note

engaging

the

counter

belt

Engage

temporarily

the

counter

belt

the

part

Install

the

mechanism

deck.

Engage

the

counter

belt

the

reel

assembly

through

the

hole

marked

with

the

front

side

cabinet.

reel

assembly

CASSETTE

LID

volume

knob

cassette

lid

Open

the

cassette

lid.

SECTION

ADJUSTMENTS

3-1.

MECHANICAL

ADJUSTMENT

Adjustment

Location:

Reel/Capstan

Motor

(M901)

PRECAUTION

Clean

the

following

parts

with

denatured-alcohol-moistened

swab:

record/playback

head

pinch

roller

reel/capstan

motor

erase

head

rubber

belts

(M901)

capstan

Demagnetize

the

record/playback

head

with

head

demagnetizer.

not

use

magnetized

screwdriver

for

the

adjustments.

After

the

adjustments,

apply

suitable

locking

compound

the

parts

adjusted.

)

The

adjustments

ahould

performed

the

rated

power

supply

voltage

unless

otherwise

noted.

Torque

Measurement

tape

speed

adjustment

Torque

meter

Meter

reading

gecm

Pw)

CQ-102C

(0.37

0.98

ozeinch)

Record/Playback

Head

Azimuth

Adjustment

FWD.

1.5

5.5

gecm

gee

CQ-102C

ozei

Setting:

Back

tension

(0.02

0.07

ozeinch)

VOL

aanivale

ineohanice

aad?

156

gecm

FF,

REW

CQ-201B

(1.12

2.1

ozeinch)

Adjustment

Procedure:

Mode:

Playback

3-2.

ELECTRICAL

ADJUSTMENTS

test

tape

P-4-A063

Tape

Speed

Adjustment

(6.3

kHz,

—

dB)

Setting:

—

set

VOL

control:

mechanical

mid.

earphone

jack

Adjustment

Procedure:

Mode:

Playback

speed

checker

Turn

the

adjustment

screw

for

maximum

VTVM

reading.

LFM-30

Note:

Serval

peaks

may

appear,

but

take

the

maximum.

fecueney

After

the

adjustment,

lock

the

screws

with

locking

compound.

counter

WAGER

Adjustment

Location:

Record/Playback

Head

kHz,

dB)

earphone

jack

Specification:

Speed

checker

Frequency

counter

2,910

3,090

adjustment

screw

TCM-929/939

SECTION

DIAGRAMS

4-1.

PRINTED

WIRING

BOARD

Semiconductor

Location

abe

$102

ae,

ConeenSs

REEL/CAPSTAN

POWER

SWITCH

MOTOR

SP101

[

MAIN

BOARD

]

SPEAKER

J103

DRY

BATTERY

SIZE

“AA”

(IEC

DESIGNATION

Ré!

(CHASSIS)

4pes-O¥

J102

J101

PLUG

POWER

MIC101

MICROPHONE

~|O

118

1-658-146-

}1(414)

HRP

101

PLAYBACK

RECORD

HEAD

Note:

HE101

o—-—::

parts

extracted

from

the

component

side.

ERASE

HEAD

Pattern

the

side

which

seen.

TCM-929/939

4-2.

SCHEMATIC

DIAGRAM

rs)

rrr

erm

rrr

[

MAIN

BOARD

]

TPtOS

103

R103

2.2K

J101

PLUG

POWER

Vhs)

J102

EAR

TP106

R101

18k

SP101

SPEAKER

MIC1O1

MICROPHONE

TP1O1

Rize

£101

M901

(M)

REEL/CAPSTAN

104

R102

MOTOR

MTZJ-T-73-3.0

[Vote

pow

0 e

POWER

TP102

C133

PB—=REC

SWITCH

S101-6

TP105

C102

HE101

190

(CHASSIS)

[==]

ERASE

HEAD

TP108

eval

LON

ose

f=)

R104

axl

J103

22k

LBF

HRP

101

PLAYBACK/RECORA

HEAB

TOTAL

CURRENT

WHT

PLAY:150mA

“[

REC:150mA

“T

RED

FF:

125mA

R108

6.8k

Cllé

RI2

TP110

REW:125mA

R106

eae

TPitt

7.5k

0.0047

4.7

S0V

SIZE

“AA‘

{TEC

BESIGNATION

Ré)

Note:

All

capacitors

are

unless

otherwise

noted.

pF:

wuF

less

are

not

indicated

except

for

electrolytics

and

tantalums.

All

resistors

are

and

less

unless

otherwise

specified.

B+

Line.

Power

voltage

and

fed

with

regulated

power

supply

from

external

power

voltage

jack.

Voltages

are

with

respect

ground

under

no-signal

conditions.

mark

PLAY

Voltages

are

taken

with

VOM

(10

MQ/V).

Voltage

variations

may

noted

due

normal!

production

tolerances.

Signal

path.

—9—

: 7

—10—

NOTE:

-XX

and

-X

mean

standardized

parts,

they

may

have

some

difference

from

the

original

one.

Color

Indication

Example:

KNOB,

BALANCE

(WHITE)...

(RED)

Appearance

Parts

Color

Cabinet’s

Color

(1)

CABINET

SECTION

Ref.

No.

Part

No.

Description

3-928-051-01

HANDLE

3-927-954-01

TERMINAL

(+.-),

BATTERY

A-3061-174-A

MAIN

BOARD,

COMPLETE

3-927-955-01

LEVER,

REC

3-348-316-01

CUSHION,

MICROPHONE

3-927-963-01

BUTTON

(PAUSE)

3-927-964-01

BUTTON

(STOP)

3-927-965-01

BUTTON

(FF)

3-927-966-01

BUTTON

(REW)

3-927-967-01

BUTTON

(PLAY)

3-927-962-01

BUTTON

(REC)

3-927-969-01

LID,

CASSETTE

(929)

X-3370-892-1

LID

ASSY,

CASSETTE

(939)

3-927-971-01

CABINET

(FRONT)

3-927-956-01

SPRING

(SPEAKER)

SECTION

EXPLODED

VIEWS

Items

marked

“*”

are

not

stocked

since

they

are

seldom

required

for

routine

service..Some

delay

should

anticipated

when

ordering

these

items.

The

mechanical

parts

with

reference

number

the

exploded

views

are

not

supplied.

Hardware

mark)

list

and

accessories

and

packing

materials

are

given

the

last

the

electrical

parts

list.

Remark

Ref.

No.

Part

No.

1-251-348-11

COUNTER,

Model

name

abbreviation

929:

TCM-929

939:

TCM-939

Description

TAPE

3-927-968-01

KNOB

(VOL)

3-927-960-01

SPRING

(CASSETTE)

3-928-052-01

DAMPER

3~930-740-01

CUSHION

3-927-957-01

BELT,

COUNTER

3-927-958-01

TERMINAL

(-),

BATTERY

3-927-959-01

TERMINAL

(+),

BATTERY

3-927-961-01

LID,

BATTERY

CASE

3-927-970-01

CABINET

(REAR)

(929)

3-927-970-11

CABINET

(REAR)

(939:

Canadian)

3-927-970-21

CABINET

(REAR)

(939:

AEP,

UK,

Australian)

3-930-739-01

PLATE

REINFORCE

MIC101

8-814-186-00

MICROPHONE,

ELECTRET

CONDENSER

SP101

1-504-970-11

SPEAKER

(6.

6CM)

(2)

MECHANISM

DECK

SECTION

(MT-929)

HRP101

Ref.

No.

101

102

103

104

105

121

125

126

127

128

129

130

Part

No.

Description

Remark

3~363-230-01

LUG

3-362-985-01

SPRING

3-362-986-01

HOLDER,

HEAD

3-362-983-01

SPRING

3-362-984-01

HEAD

(BASE)

3-385-832-01

LINK,

3-362-982-01

PINCH

ROLLER

3-362-981-01

PINCH

ARM

3-362-980-01

WASHER

3-385-819-01

FRAME

ASSY

3-385-831-01

ARM,

3-385-821-01

SPRING

3-385-820-01

PLATE,

FUNCTION

3-385-822-01

LEVER,

3-362-947-01

LEVER,

REC

3-362-954-01

SPRING

3-362-948-01

LEVER,

PLAY

3-362-949-01

LEVER,

REW

3-362-950-01

LEVER,

3-385-824-01

LEVER,

3-362-9$52-01

LEVER,

PAUSE

3-362-953-01

ARM,

PAUSE

3-362-957-01

SPRING

3-362-956-01

SPRING

3-362-955-01

SPRING

3-362-960-01

PULLEY,

IDLER

3-362-959-01

ARM,

IDLER

3-362-968-01

LEVER,

EJECT

3-362-962-01

REEL

ASSY,

X-3363-611-1

REEL,

ASSY

Ref.

No.

Part

No.

Description

Remark

131.

3-362-965-01

IDLER,

132

3-362-961-01

SPINDLE

(BASE)

133.

3-372-120-01

SPRING

134

3-362-941-01

CHASSIS

135.

3-385-825-01

INTERLOCK

137:

3-362-967-01

SPRING,

CASSETTE

138

3-362-971-01

SPRING

139

3-362-972-01

SENSOR

140

3-362-976-01

LEVER,

CONTROL

141.

3-362-975-01

LEVER,

SENSOR

142

3-362-977-01

SPRING

143.

3-362-978-01

SPRING,

PLATE

144

3-362-973-01

(BASE)

145

X-3363-315-1

GEAR,

CAM

ASSY

146

3-369-962-01

SPRING,

COMPRESSION

147

~—-

3-369-961-01

WASHER

148

3-385-829-01

BELT

149

3-928-053-01

BELT

TYPE)

150

3-385-827-01

ASSY

151

3-362-970-01

SPRING

152

3-385-826-01

IDLER

ASSY,

153

3-385-828-01

HOLDER,

MOTOR

154

3-363-229-01

SCREW

155

3-385-830-01

SCREW

156

3-362-958-01

SCREW

157

3-366-352-01

SCREW

HE101

1-500-009-11

HEAD,

MAGNETIC

(ERASE)

HRP101

1-543-410-11

HEAD,

MAGNETIC

(REC/PB)

M901

_X-3366-071-1

MOTOR

ASSY

(REEL/CAPSTAN)

$102

1-572-538-11

SWITCH,

LEAF

(TC

POWER)

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