Sony TC-158SD User manual

SPECIFICATIONS

Power

Requirements:

120V

60Hz

(US,

Canadian

model)

110,

120,

220

240V—50/60

(AEP,

model)

four

batteries

size

(IEC

designation

R20)

Sony

Rechargeable

Battery

Pack

BP-8H

(optional)

Model

Canadian

Model

AEP

Mode!

Model

STEREO

CASSETTE-CORDER

Fast

Forward

and

Rewind

Time:

Approx.

sec.

(C-60,

6V)

Recording

System:

4-track

2-channel

stereo

Speaker:

10cm

inches)

dia.

Power

Output:

700

Bias

Frequency:

105

kHz

12V

car

battery

with

Sony

Car

Battery

Signal-to-noise

Ratio:

DOLBY

OFF

Cord

DCC-129

(optional)

Power

Consumption:

12W

Dimensions:

Approx.

350

(w)

100

(h)

240

(d}

133/4

(w)

(h)

93/g

(d)

inches

including

projecting

parts

and

controls

Weight:

Approx.

4.8kg,

with

batteries

*‘Dolby’

and

the

double-D

symbol

are

the

trade

marks

Dalby

Laboratory

Inc.

Noise

reduction

system

manufac-

tured

under

license

from

Doiby

Laboratory

Inc.

“0dB

=0.775V

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

SHADING

THE

SCHEMATIC

DIAGRAMS

AND

THE

PARTS

LIST

ARE.

CRITICAL

SAFE

OPERATION.

REPLACE

THESE:

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUBLISHED

SONY.

With

Ferri-Chrome

Cassette

peak

level

(NAB)

(DIN,

1975

rev.)

(DIN,

old)

With

chromium

dioxide

cassette

peak

level

(NAB)

DOLBY

Improved

5dB

1kHz,

10dB

above

SkHz

Total

Harmonic

Distortion:

1.3%

Contistued

—

CUATION

VOLTAGE

SELECTOR

SETTING

“When

changing

voltage

the

voltage

selector,

“sure

the

power

cord.

SERVICE

MANUAL

Cetin

TC:158SD

Frequency

Response:

DOLBY

OFF

Record/playback

With

Ferri-Chrome

Cassette

and

Connector:

Input

impedance

fess

than

10k

ohms

chromium

dioxide

cassette

(AEP,

model)

Output

impedance

less

than

10k

ohms

20—16,000

(NAB)

30—15,000

+3dB

(NAB)

30—

15,000

(DIN)

With

regular

cassette

20—14,000

(NAB)

30—

12,000

(DIN)

Wow

and

Flutter:

0.08%

WRMS

(NAB)

+0.2%

(DIN)

Inputs:

MIC

(phone

jack)

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

sensitivity

0.2

(~72

dB)

for

low-impedance

microphone

LINE

(phono

jack)

......-...

sensitivity

0.06V

(~22

dB)

input

impedance

100k

ohms

Battery

Life:

Continuous

recording

time

Approx.

4.5

hours

with

Sony

Long-life

Batteries

size

Approx.

hours

with

Eveready

Alkaline

Batteries

No.

E95

Outputs:

LINE

OUT

(phono

jack)

........

output

level

0.435V

(-5

dB)

load

impedance

100k

ohms

suitable

load

impedance

than

10k

ohms

HEADPHONES

............-45

suitable

load

impedance

8—32

ohms

MODEL

IDENTIFICATION

—

Specification

Label

—

model

Canadian

model

SONY.

TAPECORDER

TC-158SD

120V

60Hz

l2W

FLASH-

TAPECORDER

(158SD

LIGHT

BATT

SIZE

“D’X4

EQUIVALENT

120V

60Hz

I2W

FLASH-

NO.

LIGHT

BATT

SIZE

“Dx4

EQUIVALENT

MADE

JAPAN

549

157-00

MADE

JAPAN

549

158-00

>SEP,

model

SONTY.

TAPECORDER

TC-158

110,120,

220,240V

50/60Hz

I2w

DC 6V

FLASHLIGHT

BATTERY

(SIZE

“D’)x4

EQUIV.

NO.

MADE

JAPAN

549-160

-00

’

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TC-158SD

Cassette

Lid

Removal

(1),

and

Replacement

(@,

REC/PB

connector

(AEP

model]

SECTION

DISASSEMBLY

Lower

Case

Removal

(1)

82.6x8

(black)

lower

case

2.6x8

(black)

‘

ee,

—

Control

Panel

Removal

Press

the

PAUSE

button.

PEAK

level

indicator

;

control

panel

Sep

B2.6x8

(black)

REC

LEVEL

knobs

Note:

When

replacing

the

control

panel,

take

care

the

PEAK

level

indicator

position.

TC-1588

Recorder

Mechanism

Lifting

Upper

Case

Removal

B3x8

{black}

QD)

battery

lid

Fal

P26x8

(black)

K26x10

(lower

screw

only}

K2.6x10

(lower

screw

only}

TC-158SD

TC-158

SECTION

ADJUSTMENTS

FREES

Pause

Timing

Adjustment

Clean

the

following

parts

with

denatured-

alcohol-moistened

swab:

—

Playback

mode

—

The

take-up

reel

spindle

flange

should

touch

record/playback

head

pinch

roller

the

tension

pulley.

erase

head

rubber

belts

capstan

idlers

Slowly

press

PAUSE

button.

First,

the

pinch

roller

should

release

from

the

capstan.

Next,

the

tension

pulley

should

release

from

the

take-

reel

spindle

flange.

Under

this

condition,

not

use

magnetized

screwdriver

for

the

adjust

the

position

the

pinch

roller

adjustments.

bending

the

specified

parts.

Demagnetize

the

record/playback

head

with

head

demagnetizer.

After

the

adjustments,

apply

suitable

locking

compound

the

parts

adjusted.

capstan

The

adjustments

should

performed

with

the

rated

power

supply

voltage

unless

otherwise

noted,

pinch

roller

Adjust

bending

here.

Head

Height

Adjustment

—

Playback

mode

—

Make

adjustment

cassette

shown

below.

Cut

out

hatched

tape

cassette

Portions...

playback

mode

and

viewing

from

the

top,

adjust

the

head

heights

eliminate

tape

curl

and

tape

twist

arrowed

portions.

erase

head

fecora

play

berk

are

3-§13-237-01

(t=0.1)

3-513-237-1171

(t=

0.2)

Shim,

head

height

adjustment

TC-158SD

Muting

Switch

($13)

Position

Adjustment

—

Stop

mode

—

Loosen

the

adjustment

screw

and

adjust

the

switch

position

that

the

gap

the

switch

contacts

becomes

1.5

0.2mm.

1.540.2mm

—

muting

switch

($13)

contact

record

lock

plate

Timing

Switch

(S3)

Position

Adjustment

—

Stop

mode

—

Loosen

the

adjustment

screws

and

adjust

the

position

the

timing

switch

circuit

board

the

arrowed

direction

that

the

muting

lever

just

starts

pull

the

slide

the

switch.

timing

switch

circuit

board

muting

lever

Motor

Switch

(S12)

Position

Adjustment

—

Stop

mode

—

Loosen

the

adjustment

screw

and

adjust

the

switch

position

shown

below.

Pinch

Roller

Pressure

Measurement

brake

release

—

Playback

mode

—

Pull

the

spring

scale.

—

Slowly

return

the

pinch

roller

and

read

the

spring

scale

just

when

the

pinch

roller

starts

rotate.

5+0.2mm

270-3709

19.5—13

oz)|

Pring

scale

Flywheel

Thrust

Play

Adjustment

—

Playback

mode

—

Carefully

turn

the

thrust

screw

clockwise

for

lengthwise

play

the

capstan

shaft.

Turn

the

thrust

screw

counterclockwise

1/5

3/s

turns

that

the

lengthwise

thrust

play

becomes

0.1—0.3

mm.

thrust

screw

TC-1588

Reference

Data:

Forward

Torque

30-60

g.cm

COLOLA

(0.42—-0.83

oz.inch)

Deviation:

less

than

g.cm

(0.14

oz.inch)

Back

Tension

Torque

2-4

g.cm

CQ102A

(0.028—0.055

oz.inch)

Fast

Forward

and

Rewind

Torque

55-95

g.cm

CQ-201A

(0.77~1.32

02.inch)

T¢-158SD

3-2.

ELECTRICAL

ADJUSTMENTS

Note:

The

adjustments

should

performed

the

order

given

this

service

manual.

The

adjustments

should

performed

for

both

L-CH

and

R-CH.

Switches

and

control

should

set

follows

unless

otherwise

specified.

LIMITER

switch:

OFF

DOLBY

switch:

OFF

TAPE

SELECT

switch:

NORMAL

TAPE

SELECT

BIAS

switch:

NORMAL

MONITOR

LEVEL

control:

MAX

BIAS

and

switch

settings

accordance

with

tape

used

are

follows.

[Bion

caswiteh

[BIAS

wich

CS-10

NORMAL

10,

Standard

Record:

Set

the

REC

LEVEL

control

for

the

specified

output

level.

osc

attenuator

10kQ

fe)

otf.

olt,O00

[

VTVM

LINE

400

Hz,

0.28V

(-10

08}

Standard

Input

Level

[Frenne

rates

apa

Standard

Output

Level

tance

[Gute

Tape

Speed

Adjustment

Procedure:

Mode:

playback

speed

checker

FM-30

digital

frequency

ieeh

vane

counter

WS-4

kHz,

OdB)

ble

LINE

OUT

Specification:

Frequency

beginning

and

end

tape

should

within;

Adjustment

Location:

servo

amp

board

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