Sony C-47 User manual

OT

SS

ES

MICROPHONE

POWER

SUPPLY

UNIT

SPECIFICATIONS

Type:

C-47

Variable

directivity

condenser

microphone

**-

The

external

magnetic

field

induction

noise

is

Power

requirements:

Battery

operation:

measured

with

the

microphone

placead

in

an

Normal

operating

voltage:

6

V

DC

alternating

magnetic

field

of

50

Hz,

1m

gauss.

Minimum

operating

voltage:

Approx.4.5

V

DC

The

maximum

noise

value

is

obtained

and

then

Current

drain:

Less

than

40

mA

converted

to

the

equivalent

input

sound

level.

:

|

(0dB

=2x

10°

“ubar)

Battery

life:

Approx.

150

hours

with

Sony

long-life

batteries

OdB=

2x

Huet

AC

operation:

Power

requirements

120

V

AC,

60

Hz

(US

model)

Maximum

220—240

V,

50/60

Hz

(E

model)

sound

pressure

Power

consumption

3

W

input

level:

Approx.

154

dB

SPL

(20—20,009

Hz)

Directivity:

|

Uni-directional

and

Omni-directional

variable

Dynamic

range:

Approx.

130

dB

Output

impedance:

50

2

+20%,

1,000

Hz,

balanced

=

wirenmentel

Output

level:

Effective

output

level:

—43

dBm

temperatures:

aon

as

140°F

for

storage

(0

dBm

=

1

mW

/1Oubar,

1,000

Hz}

39°

eas

140.

F

for

operation

Open

circuit

voltage:

0.82

mV/ubar,

at

1,000

Hz

Microphone

cable:

5.8mm

(4)

dia.,

4-conductor

shielded

Output

level

deviation

is

=2

dB.

cable:

Recommended

load

impedance

is

more

than

3

k{2.

10

ft

with

CANNON

Frequency

response:

30

Hz

—

18,000

Hz

XLER-5-12C

connector

Noise

level:

S/N

ratio:

More

than

50

dB

(1,000

Hz,

iubar)

Mounting

thread:

PF

%

Inherent

noise:

Less

than

24

oie

Dimensions:

See

page

2.

=

a

ba

‘

1

ee

(OR

=

2

5:10.

HpaI)

Weight:

Microphone

500g,

1

Ib

202

Wind

noise

*

Less

than-45

€B

SPL

2

a

_

induce

Power

supply

VOOOG.

2

ie

202

poe

noise

(without

batteries)

from

externa!

magnetic

field

«2.

Less

than

—20

dB

SPL/m

gauss

Wind

noise

is

the

value

measured

by

applying

a

wind.

velocity

of

6.6

ft/second

from

all

di-

rections

on

the

microphone.

The

mean

value

is

obtained

and

converted

to

the

equivalent

input

sound

level.

(0

dB

=2

x

10

ubar]

Dimensions:

61

(2

2)

mel

S2dia

[ey

a

16

Units

in

mm

(approximate

inches

in

parentheses)

1,

DISASSEMBLY

1-1.

CAGE

AND

BOTTOM

CASE

REMOVAL

Cage

Removal:

Steps

9,

80,@8,0,6,0

Bottom

Case

Removal:

Steps

@,

@,.@0,©6

cage

ass’y

i

@

screw,

K2

x

35

tt,

A

9

\

eS

‘

S

F

a

y

i

6

screw,

oat<

K2

x

3.5

Ly

re

|

CA

*,

Q

cable

bottom

case

{

b@

screw,

RK3

x

10

1-2.

MICROPHONE

CAPSULE

AND

AMP

CIRCUIT

BOARD

REMOVAL

Microphone

Capsule

Removal:

Steps

@,0,0,.@

Circuit

Board

Removal:

Steps

@.,

@,

6.

@,

7

©

@

Remove

the

cage

ass’y.

6

two

screws,

P2

x

3

©

Loosen

screw

P2

x

&.

icroph

/

\

sma\:

microphone

capsule

ass’y

LS)

amp

circuit

board

(cased)

f

y,

two

screws,

P2x3

@

Unsolder

lead

wires.

©

Carefully

remove.

Unsolder

five

lead

wires.

@

Remove

amp

circuit

board

from

the

shield

case.

1-3.

DC-DC

CONVERTER

REMOVAL

Steps:

@©,0,0,.0

~@_

Remove

the

bottom

case.

DC-DC

converter

©

two

screws,

ser

@

Carefully

Fi

remove.

©)

Unsolder

five

lead

wires.

>

two

screws,

P2

x3

i.

1-4.

POWER

SUPPLY

CASE

REMOVAL

1-5.

POWER

SUPPLY

CIRCUIT

BOARD

REMOVAL

Remove

power

supply

case.

screws,

B3

x

4

screws,

BS

x

4

@

four

screws,

BSx

4

2.

ADJUSTMENT

BATTERY

CHECK.

METER

CALIBRATION

4.

Set

the

external

power

supply

to

aN

ue

adjust

:

R6

so

that

BATTERY

check

meter

indicates

‘‘4’,

1.

Remove

batteries

from

the

microphone

power

5.

Set

the

external

power

supply

to

5V.

supply.

7

BATTERY

check

meter

pointer

should

place

2,

Connect

an

external

regulated

dc

power

supply

on

the

dot

between

“4”

and

“6”’.

as

shown

below.

:

6.

Set

the

external

power

supply

to

6V.

3.

Turn

the

POWER

switch

of

the

microphone

BATTERY

check

meter

pointer

should

place

power

supply

on.

On

Oo

regulated

dc

power

supply

O

Py

red

R6

to

terminal

5

(WHT)

-

of

CN2

(MIC

connector}

|

Q|

6519

Q3

2SK43

bo

Qee

-eSdec

Q4

2SK23A

C1

10/35V

|

a

SHIELD

[C2

lO/S9V

CNT

MICROPHONE

|

fg

MIC

CAPSULE

OUTPUT

C-3D

|

42

|,

DC

as

|

ao:

CONVERTER

<4.

99}

fs

ES

eras

4.

MOUNTING

DIAGRAM

(AMP

SECTION)

-

—

Conductor

Side

—

|

Q

WHT.

CNt

foo

SHIELD

2

CLEAR

|

MIC

'

OUTPUT

|

cays

=)

2

SEX

|

=

|

oy

i403

MICROPHONE

ee

a

CAPSULE

ee

C-3D

(ho

|

~

ORG]

viol

7

,

ae

oo

:

BRNT

La

aoe

e

io

|

'

|

BLK

V0

|

LORG

|

BRN

Note:

©

All

capacitors

are

in

uF

unless

otherwise

noted.

pF=uyF.

50

WV

or

less

are

not

indicated

except

for

electrolytics.

All

resistors

are

in

ohms,

“%W

unless

otherwise

noted.

kQ

=

1000.9,

MQ

=

1000k2

@.

=:

Chassis

ground,

°

e

Voltages

are

de

with

respect

to

ground

unless

otherwise

noted.

®

Readings

are

taken

under

no

signal

conditions

with

a

VOM

(20k2/V).

©

Voltage

variations

may

be

noted

due

to

normal:

pro-

duction

tolerances.

@

Ee

ee

B+

bus:

te

@.

0°28.

B+

pattern.

CAUTION

1.

The

amp

mount

ass’y

has

been

carefully

adjusted

at

the

factory.

If

some

trouble

occurs

on

it,

re-

place

the

amp

mount

ass’y.

The

parts

on

the

amp

mounted

circuit

board

are

not

individually

available,

2.

Do

not-short-circuit

across

DC-DC

convertor

terminals

o.¢-and?4--

>

and-.

across

terminals

3

and

5,

BOARD

DC

~DC

CONVERTER

pains

“Dearne

Se

RRR

ine

RRR

mee

NRL

NR

RR,

nant

Pee

SORE

REED

6

ONE

PS

em

Rn

EE

SOME

I

tome

ranean

ce

Spence,

epbiretiels:

tial

seemareaenen

_onaneny

arm

seepe

menor

eee

RSE

OF

rs

IIS

TENET

NE

EET

Feasts

PIs

at

Recents

ep

cee

ly

Sapte

Manel

oi

ete

5.

SCHEMATIC

DIAGRAM

(POWER

SUPPLY

SECTION)

S2-2

POWER]

TRANSFORMER

|;

Se

eeeelikarendii

a

en

(E

model)

-————}

en

eee

etm

eee

ere

ree

72

|,

$2-2

POWER]

|

POWER]

TRANSFORMER

|

gee

eter

he

en

ee

|

(US

model)

R

Q5

2SK23A

—-Q7_-2scll24

~

:

CD2

CN2

(XLR-5-13)

|

Q6

2501364

[METER

=-

“Hh

-

D2

RD7AM

~

AGL

|

IR

ee

390(1/2W)

a9

<i

sz

|

F2IA

ue

6.

MOUNTING

DIAGRAM

(POWER

SUPPLY

SECTION)

—

Conductor

Side

—

YEL

0.25A

R7

100K(E

model)

ORG

(ames

Fe

IA

NLT

YEL

a

7

WHT

BATTERY

SIZE“D”

Re

52

rae

3

-5-|

(IEC

DESIGNATION

R20)

POWER

4PCS

6V

DC

—

=

¥

g

RED

3

oie

fe

RED

~

BLK

i

WHT

=

+

RED|

GRY

GRN

ee

aS

eae

oO

CJ

()

=

YEL

100

_

BLU

DI

wT

ov

|

T2

|

POWER

_

TRANSFORMER

a

<a

}

ORG

120V_~

S

C-47

BATTERY

SIZE

“D”

(IEC

DESIGNATION

R20)

4Pcs

6V

DC

CN3

(XLR-3-14)

OUTPUT

.

MICROHONE

TRANSFORMER

A

oO

eS

cat

:

+

mm

>

8)

<

1

Naayyan

(US

model)

POWER

TRANSFORMER

(E

model)

Note:

Cc?

c8

C9

us

;

MICROPHONE

01

O.1

0.047

TRANSFORMER

CN3

(XLR-3-14)

OUTPUT

Replacement

Semiconductors

For

replacement,

use

semiconductors

except

in

(

).

Amp

Section

Q1:

6519

Q2:

2SJ22

Q3:

2SK43

G

I

pe

“3

wae

Ss

GDs

G

ub

QO4:

2SK23A

All

capacitors

are

in

wF

unless

otherwise

noted.

pF

=

uwuF.

50

WV

or

less

are

not

indicated

except

for

electrolytics.

All

resistors

are

in

ohms,

“%W

unless

otherwise

noted.

kQ

=

10002,

MQ

=

1000kN

All

variable

and

adjustable

resistors

have

character-

istic

curve

B,

unless

otherwise

noted.

4

:

internal

component.

PME

+

B+

bus.

[]

:

panel

designation.

(_____|

:

adjustment

for

repair.

Voltages

are

dc,

and

are

measured

when

plugging

microphone

unit

into

MIC

input

jack

in

ac

ope-

ration

condition.

Readings

are

taken

under

no

signa!

conditions

with

a

VOM

(20k2/V).

Voltage

variations

may

be

noted

due

to

normal

production

tolerances.

:

B+

pattern.

DC

resistance

measurements

are

with

coils

connect-

ed

on

the

circuit

board,

and

are

approximate.

Switch

TONE

SELECTOR

POWER

AC-DC

SELECTOR

INCLUDED

IN

RELEY

(RY1)

Power

Supply

Section

Q5:

2SK23A

Q6:

2SC634A

}

Cc

Ko)

E

/

Ces

SGD

Cc

‘B

D1:

CD2

D2:

RD7AM

black

cathode

i

‘

anode

--

|—

anode

‘

Oe

eal

cathode

«anode

(2SC1364)

es

fy

z

Ec

8

Q7:

28C1124

C

i)

&

FoR,

C-47

7,

EXPLODED

VIEWS

X-2522-101-0

Cage,

Ass‘’y

2-522-128-00

Washer

2-503-234-00

Screw

2-503-234-00

2

2-522-128-00

Washer:

Case,

lower

2-517-126-00

Bushing,

free

2-522-124-00

Screw

(B),

support

3

Clamp,

bushing

2-522-133-00

Screw,

RK3

x

10

Belt,

bushing

2-§22-123-00

Screw

(A),

support

2-5

18-102-00

Plate,

serial

number

2-5

16-344-00

Screw,

PM

3

x

97

2-522-136-00

Screw,

arm

1-55

1-189-00

Cable,

microphone,

Arm,

support

w/connector

(CN1)

pp:

X-2522-108-0

Socket

Ass’y

Socket,

stand

screw

ed

e

Items

with

no

part

number

and/or

no

description

are

not

stocked

because

they

are

seldom

required

for

routine

service.

e

All

screws

are

Phillips

(cross

recess)

type

unless

otherwise

noted.

(—)

=

slotted

head

C-47

2-522-134-00

-4510-010-

A-4510-010-A

Belt,

capsule

Capsule

Ass’y

P2x3

A-4518-018-4

Complete

Circuit

Board,

emp

Frame

Ass’y,

upper

P2x3

2-522-127-00

Bushing

Stay,

amp

board

Spacer,

terminal

board

Ring,

center

Shaft,

s

t

Dust

cover

(B)

uppor

1-464-052-00

T2x4

DC-DC

Converter

Terminal

Board

Contactor,

P2x3

ground

Clamp,

cable

{

|

Terminal

Board

C3

LW2,

w/internal

tooth

5

P2x3

Note:

e

Items

with

no

part

number

and/or

no

description

are

not

stocked

because

they

are

seldom

required

for

routine

service.

e

All

screws

are

Phillips

(cross

recess)

type

unless

otherwise

noted.

(—)

=

slotted

head

C-47

peoy

pa}jOys

=

(—)

“"po}OU

OSIMIAYJO

ssayun

od

A}

(ssadaI

sso1d)

sdyyjlyg

aJe

sMalos

Tye

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IOJ

pelinbar

wopyas

are

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asnesoq

poysojs

JOU

s1e

UOT]dWosap

ou

io/pue

Jaquinu

jied

ou

yyIM

suld}]

e

ey

iat

$u28j

a4d

‘pieog

EM

&

Lk

daddn

ase

00200

B18

b

f

:310N

aypuey

——~—

(ZN)

Dtnf

“407atUOD

00-02

b

605"!

aces

(£N)

LAALNO

‘40328009

we

00-221

905-1

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UONNOD

YOLIMS

“jsgeT

(LIN)

diae?

woay

{1

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Asejos

“Yaum$

Papas

ee

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LIS

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{i

34)

aBeijoa

‘saloyy

AUFLLVE

Qo

20-084

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:

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Yyojims

samad

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payddns

(ZS)

YIMOd

“GIUMS

OO-PES

DIGI

Holder,

battery

case

Heat

Sink

Battery

Case

LW3,

w/internal

tooth

Printed

Circuit

Board,

power

supply

1-442-425-00

(US

model)

1-442-988-00

{E

madef}

Transfoemer,

power

(F2j

1-515-184-00

3-612-023-00

Relay

(RY?)

:

Plus

Terminal

2

Bracket,

power

transformer

3-533-574-00

Spring,

battery

1-532.265-XX

LW,

wéinternal

tooth

Fuse,

7A

(F2}

i

9-532-277-00

Fuse,

0.25

A

(FT

|

2.522-152-00

i

Labei

(Aj,

fuse

!

B3x6é

2%

1

'

|

7

2-522-153-00

|

Label

(8),

fuse

B3x6

ae

w/internal

tooth

|

~

\

<i

Le

2-522-161-00

(US

model)

Lug,

2mm

dia.

!

2-522-165-00

(E

model)

aap

pias

Label,

specification

oe

Post,

fuse;

UL

type

y

:

ae

;

aN

1-534-538-XX

:

ae

:

——<

Cord,

power

3-410-032-00

3

Case

Ass’y,

bottom

Stopper,

power

cord

NZ

LW3,

w/internal

tooth

1-429.049-00

Transformer,

microphone

{77)

Reinforcement

ee

|

7

LW2,

w/internal

tooth

@)

cy

LW2,

w/internal

tooth

Lock

Lid,

battery

case

Note:

®

Items

with

no

part

number

and/or

no

description

are

not

stocked

because

they

are

seldom

required

for

routine

Service.

e

All

screws

are

Phillips

(cross

recess)

type

unless

otherwise

noted.

(—)

=

slotted

head

5

7

(—)

=

slotted

head

402

8.

ELECTRICAL

PARTS

LIST

Ref.

No.

Part

No.

Description

COMPLETE

CIRCUIT

BOARD

A-4518-018-A

Amp

SEMICONDUCTORS

Transistors

Q5

2SK23A

=

Q6

28C634A

Q7

28C1124

Diodes

D1

CD2

D2

RD7AM

TRANSFORMERS

Ti

1-429-049-00

Microphone

T2

1-442-425-00

Power

(US

model)

1-442-988-00

Power

(E

model)

CAPACITORS

All

capacitors

are

in

uF

and

ceramic

unless

otherwise

noted.

50

WV

or

less

are

not

indicated

except

for

electrolytics.

pF

=

wuF,

elect

=

electrolytic

C7,

8

1-108-251-12

0.1

my

lar

C9

1-108-246-12

0.047

mylar

C10

1-121-984-11

2200

35V_

elect

Ciil

1-123-072-11

220

10V_

elect

RESISTORS

All

resistors

are

in

ohms.

Common

%4W

carbon

resistors

are

omitted.

Check

schematic

diagram

for

values.

R5

1-213-138-11

390

AW

carbon

R6

1-224-647-XX

30k,

adjustable

SWITCHES

Sl

1-516-597-00

|

Rotary,

TONE

selector

$2

1-516-534-00

POWER

®

=>

+

Due

to

standardization,

interchangeable

replacements

may

be

substituted

for

parts

specified

in

the

diagrams,

—11—

Fi

F2

CN1

CN2

CN3

MEI

NLi

RY1

C47

Part

No.

Description

FUSES

1-532-277-00

0.25

A

1-532-265-XX

1A

MISCELLANEOUS

1-551-189-00

1-509-170-00

1-506-127-00

1-520-232-00

1-517-033-00

1-515-184-00

1-464-052-00

1-533-048-XX

1-534-538-XX

Cable,

microphone

output;

w/connector

Connector

(XLR-5-13),

MIC

Connector

(XLR-3-14),

OUTPUT

BATTERY

Meter,

voltage

Neon

Lamp

Relay

DC-DC

Converter

Post,

fuse;

UL

type

Cord,

power

ACCESSORIES

&

PACKING

MATERIALS

Part

No.

0-110-572-04

1-532-265-XX

1-532-277-00

1-551-190-00

2-052-522-02

2-599-059-21

2-599-059-11

2-522-159-00

2-522-160-00

3-701-613-00

3-701-628-00

3-701-632-00

X-2522-107-0

Description

Screwdriver

Fuse,

1A

Fuse,

0,.25A

Cable,

microphone;

extension

Adaptor,

screw

Manual,

instruction

(US

model)

Manual,

instruction

(E

model)

Carton

Cushion

Bag,

plastic

Bag,

plastic

Bag,

plastic

Case,

carrying

Sony C-47 User manual

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