Sony ECM-959 User manual

ECM-959/959V

SERVICE

MANUAL

E

Model

UK

Model

AEP

Model

ECM-959/959V

US

Model

Canadian

Model

ECM-959

(ECM-959)

SPECIFICATION

General

Frequency

Response

Type

One-point

stereo

(employing

the

Mid-Side

system),

electret

condenser

microphone

(with

back-electret

condenser

capsules)

Output

plug

(ECM-959)

-+e---+

Stereo

miniplug

Front

(ECM-959V)

«+

Phone

plug

X

2

:

.

Cord

length

(ECM-959)

+--+:

Approx.

2m(6feet

7inches)

eens

i,

ae

Raxis

(ECM-959V)_

«+

Approx.

40cm(15%

inches)

Battery

R6

(size

AA)

battery

Dimensions

30

X175mm(outside

diameter

x

length)

(13%

x

7inches)

5

A

Weight

(ECM-959)

+

Approx.

2069(7.3

0z)

incl.

battery

ea

a

i

(ECM-959V)

+--+

Approx.

250g

(8.8

oz)

incl.

battery

R

(180°)

=

L

(180°)

Supplied

accessories

Case

(1)

(ECM-959)

«+--+

Microphone

stand/grip

(1)

Plug

adaptors

(unimatch

plug)

(1

set)

Microphone

stand

screw

adaptor

SAD-35

(1),

SDA-34

(1)

(ECM-959V)

«s+

Microphone

mounting

adaptor

(1)

Performance

Frequency

response

50

-

18,000

Hz

Directivity

Directive

angle:

90°

or

120°

Output

impedance

§50

2+

20%

unbalanced

Output

tevel

Open

circuit

voltage:

-48+3

dB

(0

dB

=

1

V/Pa)

(at

1,000

Hz,

directive

Effective

output

level:

-51.4+3

dBm

(0

dBm

=

1mW/Pa)

angle

120°)

Difference

between

L

and

R

output

level:

Less

than

3

dB

Power

requirements

Noise

level

Wind

screen

(1)

Microphone

holder

(with

PF'4

screw)

(1)

Sony

battery

SUM-3

(NS)

(1)

Recommended

load

impedance:

More

than

3

kilohms

Normal

operating

voltage:

1.5

V

Minimum

operating

voltage:

Approx.

1.1

V

Battery

life:

Approx.

2,500

hours

with

Sony

battery

SUM-3

(NS)

Signal-to-noise

ratio:

More

than

69

dB

(1.000

Hz,

1

Pa)

Inherent

noise:

Less

than

25

dB

SPL

(0

dB

SPL

=2x

10°5

Pa

=

2x

10-4

ubar)

Wind

noise

+’:

Less

than

45dB

SPL,

using

wind

screen

Induction

noise

from

external

magnetic

field

*’

Less

than

10dB

SPL

(ECM-959)/Less

then

—4dB

SPL

(ECM-959V)

Maximum

sound

pressure

level

More

than

117

dB

SPL

(at

1.000

Hz.

1%

distortion)

Dynamic

range

More

than

92

dB

Operating

temperature

range

0°C

to

60°C

(32°F

to

140°F)

Storage

temperature

range

~20°C

to

60°C

(~4°F

to

140°F)

*'

Wind

noise

is

the

value

measured

by

applying

a

wind

velocity

of

2

misec.

(6.6

ft/sec.)

from

all

directions

to

the

microphone.

The

mean

value

is

taken

and

converted

to

the

equivalent

input

sound

level.

*’

The

external

magnetic

field

induction

noise

is

measured

with

the

microphone

placed

in

an

alternating

magnetic

field

of

50

Hz.

1

10°”

tesla

(1

milligauss).

The

maximum

noise

value

is

taken

and

converted

to

the

equivalent

input

sound

level.

Response

in

dB

|

a

t

20

«50

100

200

500

1k

2k 5k

10k

20k

Frequency

in

Hz

Directivity

Characteristics

L-channel

directional

axis

R-channel

directional

axis

ELECTRET

CONDENSER

STEREO

MICROPHONE

SONY.

ECM-959/959V

|

CONNECTION

AND

PARTS

IDENTIFICATION

ECM-959

Phone

plug

Miniplug

[1]

Wind

screen

Reduces

wind

or

breath

noises.

[2]

Battery

check

indicator

When

the

power/directive

angle

switch

is

moved

from

OFF

to

90°,

this

indicator

will

light

momentarily,

if

the

battery

is

in

good

condition.

[3]

Powerldirective

angle

switch

OFF:

To

turn

off

the

power

90°:

To

pick

up

the

source

more

clearly

than

the

sound

around

the

source

(e.g.

to

pick

up

a

strings

quartet

or

jazz

trio,

or

bird

and

insect

noises)

120°:

To

pick

up

a

sound

weil

distributed

to

the

left

and

right

(e.g.

to

pick

up

an

orchestra,

chorus,

moving

steam

locomotive,

motor

race)

[4]

Microphone

holder

Attach

to

the

supplied

microphone

stand/grip

or

to

the

optional

microphone

stand,

OFF

90°

120°

ON

e

eo~-

e——

°

[5]

Lock

screw

Adjust

the

angle

of

the

microphone

and

tighten

this

screw.

[6]

Microphone

stand/grip

Use

to

stand

the

microphone

on

a

desk,

or

use

as

a

grip

of

the

hand

microphone.

Plug

adaptors

Use

to

connect

the

microphone

to

R

(right)

and

L

(left)

microhpone

jacks

of

stereo

equipment.

Connect

the

red

plug

to

R

jack,

and

the

white

plug

to

Ljack.

When

the

microphone

jacks

are

minijacks,

pull

to

remove

the

phone

plugs.

Stereo

miniplug

Connect

to

the

microphone

jack

of

a

stereo

cassette-corder,

etc.

ECM-959V

(3

|

OFF

90°

120°

ON

e

o—

«

——

°

When

mounting

on

the

video

camera

recorder

Tighten

the

accessory

shoe

lock

screw.

BATTERY

INSTALLATION

When

to

replace

the

battery

When

the

power/directive

angle

switch

is

moved

from

OFF

to

90°,

the

battery

check

indicator

will

light

momentarily.

When

the

battery

becomes

weak,

the

indicator

will

light

dimly

or

will

not

light

at

all.

In

this

case,

replace

the

battery

with

new

one.

For

battery

life,

see

Specifications.

Notes

on

battery

¢

Install

the

battery

with

correct

polarity.

¢

If

the

microphone

is

not

to

be

used

for

a

long

time,

remove

the

battery

to

avoid

unit

damage

caused

by

battery

leakage

and

corrosion.

ECM-959/959V

Wind

screen

Reduces

wind

or

breath

noises.

[2]

Battery

check

indicator

[3]

Powerldirective

angle

switch

OFF:

To

turn

off

the

power

90°:

To

pick

up

the

source

more

clearly

than

the

sound

around

the

source

(e.g.

to

pick

up

a

strings

quartet

or

jazz

trio,

or

bird

and

insect

noises)

120°:

To

pick

up

a

sound

well

distributed

to

the

left

and

right

(e.g.

to

pick

up

an

orchestra,

chorus,

moving

steam

locomotive,

motor

race)

[4]

Microphone

holder

Attach

to

the

supplied

microphone

mounting

adaptor.

[5]

Microphone

holder

lock

screw

Adjust

the

angle

of

the

microphone

and

tighten

this

screw.

[6]

Microphone

mounting

adaptor

Use

to

mount

the

microphone

on

the

accessory

shoe

of

a

video

camera

recorder,

Accessory

shoe

lock

screw

Phone

plugs

Connect

to

the

microphone

jacks

of

a

video

camera

recorder,

etc.

Connect

the

red

plug

to

R

jack,

and

the

white

plug

to

L

jack.

ECM-959/959V

|

DISASSEMBLY

Note:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

(1)

grill

assy

:

0-9

(2)

microphone

capsule

:

@-O

(3)

swith

board

:

0-9,

8-@

(4)

transformer

board

:

@-®©,

O-O,

®

@

switch

ring

a

@+RK2x4

©

switch

knob

@

remove

the

grip.

S

:

@+RK2x4

@

grill

assy.

@+P1.7x2.5

9)

®

transformer

board

+K2x4

!

|

@bottom

plate

@O+K2x4

@+K2x5

@switch

board

'

@+K2x5

QO+K2x4

@+K2x4

<=

|

ECM-959/959V

|

1

2

3

4

5

6

7

8

(BOTTM

PLATE)

®

2)

BATTERY

TERMINAL

MOUNTING

DIAGRAM

GROUND

PLATE

BATTERY

SPRING

IMPEDANCE

CONVERTER

Q2

“Saere

serpeennene

rosea

hp

aS

BOARD

i

[

TRANSFORMER

BLK

2

;

BOARD

y

(BOTTM

PLATE)

We

20°

®

i

OWA

Sy

=f}

ig

©

SCHEMATIC

DIAGRAM

O@

SWITCH

BOARD]

TRANSFORMER

[ECM-959

Oo

1

rT

BOARD

!

2SK377-J

:

|

I

BATT

1.5V

R6(SIZE

AA)

SUM~3(NS)

SR6EISC

(BATTERY

CHECK)

R6

+

10k

C5

33/6.3V

_

2SK377-

IMPEDANCE

CONVERTER

EE

0

EE

=

TEA

—5H—

9

10

11

y=

|

(L)

Ee

ee

SO

er

aa

ee

CLEAR

_ECM-959V

SHIELD

PLATE

ae

|

O)

|

be

Note:

12

13

14

15

SEMICONDUCTOR

LEAD

LAYOUT

2SK377-J

SR615C

short

S

cathode

D

anode’

long

@

o——-:

parts

extracted

from

the

component

side.

@

@——:

parts

extracted

from

the

conductor

side.

S|

|

OFF

>

90°

+

120°

|

Note:

@

All

capacitors

are

in

uF

unless

otherwise

noted.

pF:

wig

SOWV

‘or

less

are

not

indicated

except

for

electrolytics

and

tantalums.

e

All

resistors

are

in

Q

and

'/,W

or

less

unless

otherwise

specified.

|

ECM-959/959V

EXPLODED

VIEW

AND

PARTS

LIST

NOTE:

@

The

mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

e

items

marked

‘’*’’

are

not

stocked

since

they

are

seldom

required

for

routine

24

service.

Some

delay

should

be

antici-

9

(ECM-959V)

pated

when

ordering

these

items.

9

(ECM-959)

No.

Part

No.

Description

No.

Part

No.

Description

1

2-513-914-00

RING,

SWITCH

13

2-529-964~01

CUSHION

2

*2-529-951-02

FRAME

(RELAY)

14

2-529-965-01

CUSHION

3

2-529-952~11

(ECM-959)....GRIP

15

7-627-651-08

SCREW,

PRECISION

+RK

2X4,

TYPE

1

2-529-952-21

(ECM~959V)...GRIP

16

*

2-539-605-01

PLATE,

GROUND

4

2~529-954-11

(ECM-959)....KNOB

(SWITCH)

17

3-325-414-01

SPRING

2-529-954-01

(ECM-959V)...KNOB

(SWITCH)

18

7-622-205-05

NUT

M2

TYPE

2

5

2-529-958-01

COVER,

LED

19

7-623-505-01

LUG,2

6

2-529-979-01

(ECM-959)....RING,

MODEL

NAME

20

7-627-552-08

SCREW,

PRECISION

+P

1.7X2.5,

TYPE

1

2-529-989-01

(ECM-959V)...RING,

MODEL

NAME

21

2-523-713-01

TERMINAL

7

7-627-452-28

SCREW,

PRECISION

+K

2X4,

TYPE

1

22

=

*

2-532-219-01

TERMINAL,

GROUND

8

7-627-452-38

SCREW,

PRECISION

+K

2X5,

TYPE

1

23

X~2529-904-1

(ECM-959)....GRILLE

ASSY

9

1-558~631~-21

(ECM-959)....CORD,

MIC

(DIA.

3.9)

X-2529-945-1

(ECM-959V)...GRILLE

ASSY

1-559-478-21

(ECM-959V)...CORD,

MIC

(FLAT

TYPE)

24

2-529-980-01

(ECM-959)....

BUSHING

10

2-520-113-00

BOARD,

TERMINAL,

POSITIVE

2-529-956-01

(ECM-959V)...BUSHING

11

2-529-957-01

HOLDER,

CAPSULE

12

2-529-963-01

CUSHION

901

*1-623-793-11

PC

BOARD,

SWITCH

902

*

1~623~794-11

PC

BOARD,

TRANSFORMER

MIC1

8-814-177-01

MICROPHONE

CU17-—02-A

MIC2

8-814-178-01

MICROPHONE

CU17—-03-A

ECM-959/959V_

|

ELECTRICAL

PARTS

LIST

NOTE:

@

Items

marked

“‘*"

are

not

stocked

since

they

are

seldom

required

for

routine

service.

delay

should

be

anticipated

when

ordering

these

items.

ELECTRICAL

PARTS

Ref.No

Part

No.

901

*1-623~-793-11

902

#*1-623-794-11

C1

1-102-106-00

C2

1-102~106-00

C3

1-124-255-00

Cy

1-124-255~00

C5

1-124~229-00

C6

1-124-255-00

D1

8-719-123~70

MIC1

8+814-177-01

MIC2

8=814-178-01

Q1

8-729-824-18

Q2.

=

8-729-824-18

Ri

1-249-416-11

R2

1-249-416-11

R3

1-249-426-11

RY

1-249-422—11

R5

1-249~422—11

R6

1-249-429~11

Si

1-553-414~00

qT

1-427-508-00

T2

1-427-508-00

9-977-035-13

Description

PC

BOARD,

SWITCH

PC

BOARD,

TRANSFORMER

CERAMIC

100PF

CERAMIC

100PF

ELECT

IMF

ELECT

1MF

ELECT

33MF

ELECT

1MF

SR615C

10%

20

20%

Some

%

50V

MICROPHONE

CU17-02-A

MICROPHONE

CU17-03-A

2SK377-J3

25K377-J3

CARBON

820

5.6K

2.7K

10K

©

SWITCH,

SLIDE

TRANSFORMER,

1/4W

OUTPUT

(MIC)

OUTPUT

(MIC)

@

CAPACITORS:

MF:

wF,PF:

uwuF.

e

RESISTORS

All

resistors

are

in

ohms.

F:

nonflammable

ACCESSORY

&

PACKING

MATERIAL

Part

No.

X-2529-902-1

X-2529-903-1

X+2529-946-1

X-2529-947—1

1~558-6

30-11

#2-529-995-01

#2-529-996~01

#2-539-901-01

#2-539-902-01

2-599-379-11

3~786-014~21

2-100-951-04

2-100-952-00

Sony

Corporation

General

Audio

Group

—38—

Description

HOLDER

ASSY,

MICROPHONE

SCREEN

ASSY,

WINDOW

(ECM-959V)...

ADAPTOR

ASSY

(ECM-959)....GRIP

ASSY,

MICROPHONE

STAND

(ECM-959)....ADAPTOR,

PLUG

(ECM-959V)...

INDIVIDUAL

CARTON

(ECM~959V)...CASE,

ORNAMENTAL

(ECM-959)....INDIVIDUAL

CARTON

(ECM~959)....CASE,

ORNAMENTAL

(ECM-959)....MANUAL,

INSTRUCTION

(ECM-959V)...MANUAL,

INSTRUCTION

(ECM-959)....

ADAPTER,

SCREW,

STAND(SAD-34)

(ECM-959)....

ADAPTER,

SCREW,

STAND(SAD-35)

English

92D0429-1

Printed

in

Japan

©

1992.

4

Published

by

Customer

Relations

and

Service

Group

Sony ECM-959 User manual

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