Sony TC-580 User manual

Power

Requirements:

Power

Consumption:

Track

System:

Reel

Size;

Tape

Speed:

Recording

Time:

(with

1,800

ft,

tape)

Frequency

Responsa:

Signal-to-Noise

Ratio:

Flutter

and

Wow:

AC

160

V,

110

V,

120

V,

127

V,

220

V

or

240

V

50/60

Hz

90W

4-track

stereophonic

and

monophonic

7”

(18

em)

maximum

7/2

ips,

3

344

ips,

1

7/8

ins

{19

cm/s,

9.6

cm/s,

4,8

cm/s)

Tape

speed

7 %

ips

(19

em/s}

1.5 bes

3%

ips

(9.5

cm/s)

Shrs

(with

SONY

SLH

tape}

20~

30,000

Hz

at

7

1/2

ips

(19

cm/s)

20~

20,000

Hz

at

3

3/4

ips

(9.5

cm/s}

(with

standard

tape)

20~

25,000

Hz

at

71/2

ips

(19

emis}

30~

17,000

Hz

at

3

3/4

ips

(9.5

cm/s}

30~

9,000

Hz

at

1

7/8

ips

(4.8

cm/s}

56

dB

(with

SLH

tape}

53

d8

(with

standard

tape)

0.06

%

at

7

1/2

ips

(19

om/s}

0.10

%

at

3.

3/4

ips

(9.5

cm/s)

0.20%

at

1

7/8

ips

(4.8

cm/s}

SPECIFICATIONS

4-track

stereo

4-track

mono

3hrs

6

hrs

Recording

Bias

Frequency:

Inputs:

Outputs:

‘Overalt

Distortion:

Semiconductors:

Dimensions:

Weight:

Approx.

160

kHz

,

Two

MIC

inputs

.

impedance:

Maximum

sensitivity:

Two

AUX

inputs

impedance:

Maximum

sensitivity:

REC/PB

connector

Impedance:

Input

level:

Two

LINE

Outputs

Load

impedance:

Output

level:

HEADPHONE

Output

Load

impedance:

Output

level:

1.2%

low

impedance

0.2

mV

(—72

cB}

100

kQ,

0.06

V

(~22

dB)

10kQ

17.4

mV

(33

dB)

100

k&2

0:775

V

(0

d8)

BQ

12.6

mV

(-36

dB)

at

1

of

level

switch

31

mV

{28

dB)

at

2

of

level

switch

45

transistors,

1

integrated

circuit,

27

diodes

17

ew)

x8

Ve

(446

x

225

x

460

mm)

43

tb

(19.5

kg}

(H}

x18

1/8"

(0)

ON

Ye

SERVICE

MANUAL

TABLE

OF

CONTENTS

Section

Title

Page

Specifications...

...-..-%

1

4.

GENERAL

DESCRIPTION

1-1,

Block

Diagram...

.

-

3

1-2,

Major

Parts

Locations

.

4~5

1-3,

Switch

Location.

.

. . .

6

2.

DISASSEMBLY

2-1,

Cabinet

Removal

...

.

7

2-2,

Head

Deck

Removal.

.

8

2-3.

Record

Equalizer

Circuit

Board

Removal...

...----005

8

2-4,

Reverse

Switch

Circuit

Board

Removal

........---

a5

3.

ADJUSTMENT PROCEDURES

3-1,

Mechanical

Adjustments...

..

.

9~18

3-2,

Electrical

Adjustments

....

.

19

~

32

4.

DIAGRAMS

4-1.

Schematic

Diagram

4-1-1,

Audio

Amp.

and

Bias

OSC

Circuit...

2...

055.

1

BBN

84

4-1-2,

System

Control

Circuit

.....

-

35~

36

4-2.

Mounting

Diagram

Be

ae

Section

Title

Page

4-2-1,

Record

Amp.

Circuit

Board

. . .

.

37~

39

4-2-2,

Record

Equalizer

Circuit

Board

.

40~

41

4-2-3,

Playback

Amp.

Circuit

Board

. .

.

42~

44

424,

Bias

OSC

Circuit

Board

......

45~

47

4.2.5.

Servo

Control

Circuit

Board.

.

48

42-6.

Relay

Circuit

Board...

.....

49—~

51

4-2-7.

Power

Supply

Circuit

Board.

. .

.

S2~

54

42-8.

ESP

Circuit

Board...

.....-

55

—~

56

4-2-9,

Reverse

Switch

Circuit

Board

. . .

57

4-3.

Level

Diagram.

.....-

204s

58

5.

ELECTRICAL

PARTS

LIST......

59~

64

6.

EXPLODED

VIEWS

6-1.

Packing

.....-

Sidh

Ad

ES

65

6-2.

Cabinet

-

top

view—....,.

.

66

6-3.

Head

Deck

—

top

view~

....

.

67~

68

6-4.

Amplifier

Chassis

—

top

view

—

. .

69-~~70

6-5.

Chassis

—

top

view

—(1)

.....71

6-6.

Chassis

—

top

view

-

(2)

.....72

6-7.

Chassis

—

top

view

-(3)

...

-

.

73

6-8.

Chassis

—

bottom

view

—

.....74

7.

HARDWARES........

(ae

Bob

dS

Hardware

Nomenclature

....

.

rarer

at)

SECTION

1

GENERAL

DESCRIPTION

BLOCK

DIAGRAM

V1.

sor0yy

joy

109AH

‘A000

44

804-9020

tw)

ic

Nie

Nem

LOLD

Ee

eer

|

inz~

OMe)

ONIHOLIMS:

0

|

aeov

|

ty

4n0

hit

9060

209d

00.

prousyes

VEE

9095

tosiva|

plovelos

UITIOWHINIE

OLS

't4

wi

ow

NIL

0g

23

coer

a

MOHD

dT

908

‘201

6010

1H

F

1

oN

2011010

by.

Sa

dole

238

ane

OW

Lt

xv

35

1-2.

MAJOR

PARTS

LOCATIONS

Cabinet

—

Top

View

—

X-34970-26

X-34970-46

X-34970-26

ree!

table

ass'y

knob

assy,

ree!

table

assy

|

AUTO

REV

i

|

X-34970-81-1

X-34970-42

_ree/

panel

ass‘y,

cabinet

assy

complete

X-34970-47

L

cover

ass‘y,

head

~~

i

X-34970-45

X-34970-46

R

|

button

ass’y,

REC

knob

assy,

TT

3-497-195

TAPE

SPEED

————

button,

REW

1-514-867

3-497-196

switch,

lever

(S108)

~~

—-—

button,

FF

TAPE

SELECT

$497.192

1-514-768

fe)

1

————-

button,

STOP.

switch,

lever

(S7

“ee

_

a

HEADPHONE

LEVEL

sa

en

fener

REV

3-497-193

1-507-282

jack,

binaural;

Me

at

button,

FWD

HEADPHONE

(J104)

X-34970-50

S102)

1507-281

|

1102)

jack,

MIC

:

R(J202)

—--—>

X-34970-50

knob

assy,

volume

control;

AUX

(L)

X-34970-50

knob

ass‘y,

volume

—--—-----—

st

|

control;

MIC

(L)

'

1-524-082-1171

omteas

_

meter,

VU

(L)

|

i

Cabinet

—

Side

Views

—

171-509-359

connector,

REC/PB

(J705)

3-497-237

_t

terminal,

ground

4

1-507-142

jack,

phono;

AUX

IN

(J101,

201)

(S103,

203)

knob

ass‘y,

volume

—~

control;

AUX

(R)

—-

1-514-866

switch,

lever;

power

(S603)

X-34970-50

|

i

a

KNOB

ass’'y,

volume

|

control,

MIC

(R)

i

:

i

1524-08

2-11

\

meter,

VU

(R)

[ree

eee

ee

SOG)

1-514-836

a

S705)

switch,

lever;

MONITOR

iz

1-509-427

__

socket,

power

voltage

selector

(VS601)

171-509-341

_..

connector,

AC

OUTLET

|C/VJ601}

171-533-048

i—~

holder,

fue

Chassis

—

Top

View

—

171-514-706

switch,

leaf;

PLAY-FF,STOP

(S613)

171-514-707

switch,

leaf;

PLAY-FF,STOP

_

(S620)

1-454-075

solenoid,

plunger

{(PM601);

PINCH

ROLLER

1-514-864

microswitch,

AUTO

SHUT-OFF

(2)

(S618)

8-828-629-20

head,

record/erase

(ERP102-2902)

8-829-142-20

head,

playback

(PP

102-4202)

1-222-497

resistor,

variable;

30

kQ1(D),

R131

(AUX-L)

1-514-864.

microswitch,

PLAY,

FF-STOP

S614

(upper)

S605

(lower)

171-514-633

_.

switch,

lever;

AUTO

REV

(S617)

1-514-864

microswitch,

PLAY-FF,STOP

~S610

(upper)

S602

(lower)

1-5

14-864

microswitch,

PLAY-FF,

STOP

S604

(upper)

S612

(lower)

1-514-864

.

microswitch,

AUTO

(7)

SHUT-OFF

(S609)

Y¥-20410-12-9

counter,

tape

index

8-828-629-20

head,

record

/erase

(ERP102-2902)

8-829-142-20

head,

playback

(PP

102-4202)

1-222-497

resistor,

variable;

30

kQQ.(D),

R231

(AUX-R)

3-497-207

pinch

roller

1-222-498

resistor,

variable;

10

kX2(D),

R135

(MIC-L)

1-222-498

resistor,

variable;

10

kS2(D),

R235

(MIC-R)

Chassis

—

Bottom

View

—

8-836-624-07

motor,

UC-624K

X-34970-65

mounted

circuit

board,

power

supply

1-454-074

solenoid,

plunger,

DIRECTION

CHANGE

(PM603)

1-441-729

transformer,

power

8-836-624-07

motor,

UC-624K

X-34970-66

mounted

circuit

board,

relay

X-34970-68

mounted

circuit

board,

servo

contro!

X-34970-67

———

mounted

circuit

board,

ESP

X-34970-62

—.

Mounted

circuit

board,

record

equalizer

TOE

i

X-34970-61

mounted

circuit

board,

record

amp.

X-34970-64

mounted

circuit

board,

bias

osc

X-34970-63

mounted

circuit

board,

playback

amp.

1-3.

SWITCH

LOCATION

S614

(upper

side)

PLAY,FF-STOP

switch

(4)

S605

(lower

side)

PLAY,FF-STOP

switch

(2)

|

S613

PLAY-FF,STOP—

switch

(3)

S620

PLAY-FF,STOP

__.

S610

(upper

side)

PLAY

,FF-STOP

switch

(3)

—..-

S602

(lower

side

}

PLAY,FF-STOP

switch

(1)

S604

(upper

side)

PLAY-FF,STOP

switch

(1)

S612

(lower

side)

switch

(4)

S618

AUTO

SHUT-OFF

——

switch

(2)

$607

=

FF

switch

(1)

S619

(upper

side)

FWD-REV

switch

(2)

S601

(lower

side)

FWD-REV

switch

(1)

PLAY-FF,STOP

switch

(2)

_.

S609

AUTO

SHUT-OFF

switch

(7)

_

8615

PLAY

switch

(2)

__

S616

PLAY

switch

(3)

___

S608

PLAY

switch

(1)

S606

~—

STOP

switch

S617

——“"

FF

switch

(2)

SECTION

2

DISASSEMBLY

2-1.

Cabinet

Removal

-x——-—~-

head

cover

SONY,

\Neaeee

4

®

B3x8

|

(Black)

:

cere!

panel

@®B3x

10

Go

(Black)

volume

control

———x

|

5

!

OB3x

10

knob

.

,

f

(Black)

(4

pes.)

O-<——ornamental

washer

“———

ree!

pane!

washer

rubber

washer

/

‘

\

@

RK

4x

50

washer

cabinet

t

os

|

ee

washer

GO

Ph

4x14

2-2.

Head

Deck

Removal

L:

Remove

the

FWD

and

REV

lamps.

2:

Remove

the

five

screws

shown

in

Fig.

2-2.

Lift

off

the

head

deck.

lamp~-—

lamp

(for

REV)

(for

FWD)

Fig.

2-2.

Head

deck

removal

2-3.

Record

Equalizer

Circuit

Board

Removal

=

©

PSW3x

8

Fig.

2-3.

Record

equalizer

circuit

board

removal

Note:

After

reattaching,

make

the

equalizer

switch

(S107)

position

adjustment

(See

page

15).

2-4.

Reverse

Switch

Circuit

Board

Removal

reverse

switch

e

®

PSW3x6

circuit

board

|

Fig.

2-4.

Reverse

switch

circu/t

board

removal

Note:

Pay

attention

not

to

cut

the

head

lead

wires.

CAUTION:

1

Install

the

playback

and

bias

osc.

circuit

boards,

after

the

levers

are

perfectly

hooked

to

the

holes

of

the

slider

of

the

slide

switches.

2)

The

lead

wire

of

microswitch

has

a

connector,

which

is

connected

to

the

other

lead

wire

with

a

special

jig.

If

the

lead

wire

is

cut

or

the

connector

is

damajed,

solder

the

lead

directly

to

the

microswitch

terminal

with

an

insulating

tape

wound

around

the

terminal.

3

Never

put

the

unit

upside

down

on

the

hard

plate

with

the

head

cover

removed.The

of

the

tape

shifter,

the

shut-off

arm

pin,

the

tension

armand

others

will

be

bent

because

of

the

weight

of

the

unit.

If

it

is

necessary

to

put

the

unit

upside

down,

put

it

ona

soft

cloth

with

the

head

cover

attacied.

4

When

replacing

the

chassis,

cut

threads

on

it

wih

a

hexagon

tapping

screw.

Part

No.

*7-685-146-31

(for

3

mm

dia.)

@P3xs

*7-685-159-04

(for

4

mm

dia.)

@®P4x8

SECTION

3

ADJUSTMENT

PROCEDURES

3-1.

MECHANICAL

ADJUSTMENTS

(3-1-18)

REC

lock

pull

(3-1-12)

brake

torque

(3-1-4)

PLAY,

FF-STOP

switch

(S605,

614)

rod

adjustment

(3-1-5)

PLAY,

FF-STOP

switch

(S602,

610)

position

adjustment

pa

\

ate

\

iL

position

adjustment

(3-1-3)

brake

solenoid

(PM602)}

(3-1-8)

reel

table

height

position

adjustment

(3-1-8)

reel

table

height

—__

v

:

pry

ie

arm

bracket

position

adjustment

Tents

a7

adjustment

(3-1-20)

PLAY-FF,STOP

switch

—

_(3-1-1)

PLAY-FF,STOP

(S604,

612)

(S613,

620)

adjustment

position

adjustment

(3-1-6)

pinch

roller

ae

solenoid

(PM601}

~

position

adjustment

_-—

capstan

bearing

position

adjustment

(See

page

21)

(3-1-9)

servo

control

circuit

——~

board

position

adjustment

tape

contact

check

of

scrape

filter

roller

(3-1-19)

equalizer

switch

(S107)

position

adjustment

Wi

(3-1-21)

PLAY

switch

(S615,

616)

position

adjustment

/

\

(3-1-2)

AUTO

SHUT-OFF

switch

X

(S609,

618)

position

adjustment

(3-1-14)

pinch

roller

pressure

adjustment

wh

(3-1-13)

direction

change

stopper

adjustment

Fig.

3-1.

Adjusting

parts

locations

(1)

(3-1-10])

FWD

and

REV

back

tension

torque

adjustment

—

(3-1-11)

FF

and

REW

back

tension

———

torque

adjustment

‘

(3-1-16)

FWD-REV

switch

(S601,

619)

position

:

adjustment

"

_(3-1-15)

direction

switch

joint

rod

stroke

adjustment

7

(3-1-18)

REC

lock

pull

8

(3-1-17)

record

button

rod

adjustment

block

adjustment

Fig.

3-2.

Adjusting

parts

locations

(2)

(10

-FWD,

REV,

FF,

ape

threaded,

hold.

3-1-1,

PLAY-FF,

STOP

Switch

(S604,

612)

Position

Adjustment

Make

the

following

adjustments

by

loosening

the

two

microswitch

holding

screws,

See

Fig.

3-3.

After

that,

apply

lock

paint

to

them.

1.

STOP

mode

(Lock

arm

B

is

locked)

Make

sure

that

the

actuator

of

microswitch

is

perfectly

pushed

with

the

plate

spring

as

shown

in

Fig.

3-3.

2.

FWD

or

REV

mode

(Lock

arm

B

is

released.)

The

actuator

of

microswitch

should

not

be

pushed

by

the

plate

spring

at

all.

STOP

to

FWD

(or

REV)

mode

8604

‘should

be

released

approximately

one

second

after

S612

is

released.

—

$604

PLAY—FF,

STOP

switch

(omer

—

S612

tock

arm

(B)

release

Fig.

3-3.

PLAY-FF,

STOP

switch

(S604,

612)

position

adjustment

3-1-2.

Adjustment

1.

Make

sure

that

the

bent

portion

of

the

actuator

is

positioned

vertically

against

the

chassis.

If.necessary,

adjust

by

bending

the

base

of

the

pin.

2.

Loosen

the

two

microswitch

holding

screws.

Adjust

the

position

of

the

microswitch

so

that

the

switch

is

turned

ON

by

the

actuator

at

the

position

shown

in

Fig.

34.

3.

Apply

lock

paint

to

the

screws.

AUTO

SHUT-OFF

Switch

(S609,

618)

Position

4105

0~0.5mm

,

Note:

Adjust

for

both

AUTO

SHUT-OFF

switch

in

the

same

way.

AUTO

SHUT-OFF

switch

(S609)

Tighten

screw

here.

(0~1/64")

/

|

Adjust

by

bending

here,

actuator

|e

actuator

Fig.

3-4.

AUTO

SHUT-OFF

switch

(S609,

618)

3-1-3.

1,

Fig.

3-5.

position

adjustment

Brake

Solenoid

(PM602)

Position

Adjustment

Turn

OFF

the

power.

Unhook

either

end

of

the

spring

and

loosen

the

four

solenoid

holding

screws.

See

Fig.

3-5.

Push

the

solenoid

shaft

to

the

full

with

a

hand

in

the

direction

shown

by

the

arrow.

Adjust

the

position

of

the

solenoid

so

that

the

clearance

between

the

timing

lever

and

the

lock

lever

is

0

to

0.5

mm

(1/64”).

Make

this

adjustment

perfectly

otherwise

an

unusual

noise

is

produced

because

of

the

vibration

of

the

brake

lever.

Hook

the

spring

again

and

turn

ON

the

power.

Change

the

mode

from

FWD

(REV)

to

STOP

and

vice

versa

several

times.

Make

sure

that

the

unusual

noise

is

not

produced.

Adjust

the

position

of

the

solenoid,

if

necessary.

Apply

lock

paint

to

the

screws,

brake

solenoid

(PM602)

timing

lever

0~0.5mm

,

(0~1/64")

spring

Brake

solenoid

{(PM6O2)

position

adjustment

Sony TC-580 User manual

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