Denon PMA-777 Manuale utente

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)

NC

©

Kéi-Fi

Pre-Main

Arnplifier

|

SERVICE

MANUAL

MODEL

PMA-777/

757

:

SOLID

STATE

|

PRE

MAIN

AMPLIFIER

Asia

Version

Only

CONTENTS

SPECIFICATIONS

20.0...

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At

ner

atte

ss

2™:

CONTROLS

AND

FUNCTIONS

200.0

ee

eee

tee

ee

eee

tenes

4

CONNECTIONS

-a..:

sor

cai

ots

Se

die

YP

ota

Rade

dal

ar

aa

NE

Shae

ials

Bi

Sya

Gee

§

METHOD

OF

ADJUSTMENT

2100

en

tne

ee

eee

6~

4

BLOCK

DIAGRAM

4.0644

i

cee

ereta

edn

Ge

ES

a

Sie

Ea

RG

tee

eo

dt

ens

g

SEMIGONDUGTORS™

2c

siete

cca.

oat

ase

MS

eek

oaUb

ie

seed

eee

eek

eca

el

ste

Me

real

a

Saeepeeten

HEY

glare

eet

g

PRINTED

WIRING

BOARD

PATTERNS

AND

PARTS

LIST

P.S

&

PROTECT

UNIT

ETC-0740,

0740B

1.1...

eee

ee

eee

ees

10~

11,

17

INPUT

&

EQ.

UNIT

ETC-0739,

07398

1...

eee

ee

eee

ees

.

TONE

&

POWER

UNIT

ETC-0738,

07368

CONNECTION

DIAGRAM

2...

ce

tn

ee

een

EE

ete

eens

WERING

DIAGRAM:

come.

oo

8s

Yatieds

adhe

fa

ware

pean

Bee

ndend

i

esl

a

he

adiag

ed

angers

racie

ahiSdd

aT

sie

RA

MEAS

es

deta

see

ta

ce

me

MA

TIT

/

TOT

|

WARNING:

TO

PREVENT

FIRE

OR

SHOCK

HAZARD.

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

WARNING:

DO

NOT

CAUTION

RISK

OF

ELECTRIC

SHOCK

OPEN

CAUTION:

TO

REDUCE

THE.

RISK

OF

ELECTRIC

SHOCK,

D0

NOT

REMOVE

COVER

(OR

BACK).

NO

USER

SERVICEABLE

PARTS

INSIDE.

REFER

SERVIC-

ING

TO

QUALIFIED

SERVICE

PERSONNEL.

is

intended

to

alert

the

user

1.

Component

parts

Parts

marked

with

,\

and/or

shading

in

this

service

manual

have

special

characteristics

important

to

safety.

Be

sure

to

use

the

specified

parts

for

replacement.

2,

Leakage

current

Before

returning

the

appliance

to

customer,

test

the

leakage

current

when

the

power

plug

is

connected.

Use

a

calibrated

(with

an

error

of

not

more

than

5%)

leakage

current

tester

and

measure

the

leakage

current

from

any

exposed

metal

to

the

earth

The

lightning

flash

with

arrowhead

symbol!

within

an

equilateral

triangle

of

the

presence

of

uninsulated

“dangerous

voltage’

within

the

product’s

enclosure

that

may

be

of

sufficient

magni-

tude

to

constitute

a

risk

of

electric

shock

to

Persons.

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

of

the

presence

of

important

operating

and

maintenance

(servic-

ing)

instruction

in

the

literature

accompanying

the

appliance.

ground,

Reverse

the

power

plug

polarity

and

test

the

above

again.

Any

current

measured

MUST

NOT

EXCEED

0.5

miliamps.

Corrective

measure

must

be

taken

if

it

exceeds

the

limit.

SPECIFICATIONS

©

PMA-777

POWER

AMPLIFIER

SECTION

Rated

Output

Power:

Total

Harmonic

Distortion:

intermodulation

Distortion:

Output

Bandwidth:

.

Transmission

“++

Characteristics:

Both

channel

drives

(TUNER

—

SP

OUT)

100

Watts

minimum

rms

per

channel

{8

ohm

Load)

with

less

than

0.02%

total

harmonic

distortion

from

20

Hz

to

20

kHz,

120

W

+

+20

W

(4

ohm

Load)

20

Hz

to

20

kHz

at

T.H.0

0.05%

(for

U.S.A.)

1

kHz

{4

ohm

Load)

150

W

+

150

W

(OIN,

T.H.D

1%)

1

kHz

(4

ohm

Load)

30

W

+

30

W

IEC,

Subject

to

change

by

temperature

test}

{for

outside

U.S.A.)

0.003%

{20

Hz

—

20

kHz

at

—3

dB

ested

output

8

ohm

Load)

0.02%

{20

Hz

—

20

kHz

at

rated

output

8

ohm

Load}

(U.S.A.)

Below

7

kHz/60

Hz:

1/4

0.002%

(ar

amplitude

output

equivalent

to

rated

output}

§

Hz

—

80

kHz

(f{HF

T.H.D

0.03%}

1

Hz

—

250

kHr

7

3

d®

{a1}

W

output)

150

mV

47

k

ohm

0.08

ohm

(1

kHz)

Input

Sensitivity:

Input

Impedance:

Output

Impedarice:,

Output

Terminals:

8

ohm)

EQUALIZER

AMPLIFIER

SECTION

Equalizer

Amplifier

Output:

Load}

Rated

Output:

150

mV

Total

harmanic

distortion:

less

than

.0.002%

lat

1

kHz,

8

V

output)

Input

Sensitivity/Input

Impedance:

PHONO-1,2

MM

2.5mV

MC

200

pV

TUNER

DAD,

VIDEO/AUX,

TAPE

150

mV

47

k

ohm

PHONO-1,2.MM_

within

20.248

{20

Hz

—

100

kHz)

MC

within

20.2

dB

(20

Hz

—

100

kHz)

RIAA

Deviation:

"

“Speaker:

Aor

8

Load

4

~

16

ohm

°

A

+B

Load

8

—

16

ohm

Headphone/Stereo

headphone

(390

mW/

Maximum

Output:

12

V

fat

47 k

ohm

150

mV

47k

ohm

te

ae

ern

A

cI

ee

|

“Tone

Control

Adjustable

Range:

Filtering

Characteristics:

Loudness

Characteristics:

AC

OUTLET:

PHONO-1,

2

MM

88

d&

[input

terminals

short-

circuited

for

2.5

mV

input)

MC

72

dB

linput

terminals

short-

circuited

for

250

nV

input}

TUNER,

TAPE,

DAD,

VIDEO/AUX:

110

dB

{input

terminals

short-

circuited)

BASS

100

Hz

+8

dB

TREBLE

10

kHz

+8

dB

SUBSONIC

20

Hz,

6

dB/oct

Low

frequency

100

Hz

+7d8

High

frequency

10

kHz

+6dB

{For

U.S.A.,

Canada

and

Asia)

e

PMA-757

SWITCHED

x

2,

100

W

(Total)

UNSWITCHED

x

1,

250

W

POWER

AMPLIFIER

SECTION

j

ap

Rated

Output

Power:

Total

Harmonic

Distortion:

Intermodulation

Distortion:

may

G

Output

Bandwidth:

Transmission

Characteristics:

Input

Sensitivity:

Input

Impedance:

Output

Impedance:

Output

Terminals:

Both

channel

drives

(TUNER

—

SP

OUT)

80

Watts

minimum

rms

per

channei

{8

ohm

Load)

with

less

than

0.02%

total

harmonic

distortion

from

20

Hz

to

20

kHz.

100

W

+

100

W

(4

ohm

Load)

20

Hz

10

20

kHz

at

T.H.D.

0.05%

(for

U.S.A.)

1

kHz

(4

ohm

Load)

110

W+

110

W

(DIN,

T.H.D

1%}

1

KHz

(4

ohm

Load)

30

W

+

30

W

(IEC,

Subject

to

change

by

ternperature

test.)

(for

outside

U.S.A.

and

Canada)

0.005%

{20

Hz

—

20

kHz

at

—3

dB

rated

output

8

ohms

Load)

0.02%

(20

Hz

—

20

kHz

at

rated

outut

8

ohm

Load)

{U.S.A.)

,

Below

7

kHz/60

Hz

:

1/4

0.003%

{ar

amplitude

output

equivatent

to

rated

output)

5

Hz

—

80

kHz

{IHF

T.H.0

0.03%)

1

Hz

~

200 kHz

es

dB

(at)

W

output)

150

mV

47

k

ohm

0.08

ohm

(1

kHz}

Speaker:

A

or

8

Load

4

—

16

ohm

A

+B

Load

8

—

16

ohm

Heapdhone/Stereo

headphone

(310

mW/

Bohm)

.

EQUALIZER

AMPLIFIER

SECTION

Equalizer

Amplifier

Output:

input

Sensitivity/Input

Impedance:

Maximum

Output:

12

V

{at

47

k

ohm

Load)

Rated

Output:

150

mV

Total

harmonic

distortion:

less

than

0.002%

{at

1

kHz,

8

V

output)

PHONO

MM

2.5mV

47k

ohm

MC

2004V

100

ohm

TUNER

150

mV

47k

ohm

DAD,

VIOEO/AUX,

TAPE

150

mV

47k

ohm

POWER

SOURCE:

Germany

and

France

AC

220

V,

50

Hz:

U.K.

and

Australia

AC

240

V,

50

Hz::

U.S.A.

AC

120

V,

60

Hz;

Asia

110/120/

220/240

V,

50/60Hz

(Multiple)

POWER

CONSUMPTION:

245

W

[U.S.A.);

250

W

(IEC);

220

W

DIMENSIONS:

|

WEIGHT:

(Multiple)

BOO

W

Maximum

Output

470

mm

(18-1/2°W

x

136

mm

(5-11/32")H

x

413

mm

(16-1/4°)G

(with

Wood

Board!

434

mm

(17-5/64°W

x

136

mm

(5-11/32°}H

x

413

mm

(16-1/4°)0

{without

Wood

Board)

(including

rubber

feet,

contro!

knobs,

and

terminals.)

12.5

kg

(27

Ibs

9

oz)

[with

Wood

Board)

11.5

kg

(25

Ibs

6

oz)

[without

Wood

Board)

Design

and

specifications

are

subject

to

change

without

prior

notice.

RIAA

Deviation:

PHONO

MC)

within

10.3

d8

{20

Hz

—

100

kHz)

OVERALL

CHARACTERISTICS

SN

Ratio

(HFA

Network):

Tone

Control

Adjustable

Range:

Filtering

Characteristics:

Loudness

Characteristics:

AC

OUTLET:

(For

U.S.A.,

Canada

and

Asia)

POWER

SOURCE:

POWER

CONSUMPTION:

DIMENSIONS:

WEIGHT:

PHONO

MM

—

87

dB

{input

terminats

short

circuited

for

2.5

mV

input)

MC

70

dB

(input

terminals

short:

circuited

for

250

2

V

input}

TUNEKH,

TAPE,

DAD,

VIDEO/AUX:

110

dB

(input

terminals

short:

circuited)

BASS

100

Hz

+8

dB

TREBLE

10

kHz

28

d5

SUBSONIC

20

Hz,

6

dB/oct

Low

frequency

t00

Hz

+7d8

High

frequency

10

kHz

+6d@

SWITCHED

x

2,

100

W

(Toral}

UNSWITCHED

x

1,250

W

Germany

and

France

AC

220

V,

SO

HZ:

U.K.

and

Australia

AC

240

V_

50

Hr:

U.S.A.

and

Canada

AC

120

V,

60

Hz:

Asia

110/120/220/240

V,

50/60

Hz

(Multiple)

215

W

(U.S.A.};

500

VA

(Canada):

240

W

(IEC);

190

W

(Multiple):

650

W

Maximum

Output

470

mm

(18-1/2°)W

x

136

mm

(5-11/32°)H

x

413

mm

(16-1/4°°)0

(with

Wood

Board)

434

mm

(17-5/64"°}W

x

136

mm

(S-11/32°)H

x

413

mm

(16-1/4")0

{without

Wood

Baard)

liacluding

rubber

feet,

control

knobs,

and

terminats.)

:

13

kg

(28

Ibs

11

02)

(with

Wood

Board

12

kg

(26

Ibs

7

oz)

(withour

Wood

Board)

10.5

kg

(23

Ibs

2

02)

(without

Wood

Board)

(For

U.S.A.

&

Canada)

Design

and

specifications

are

subject

to

change

without

prior

notice:

NOTE:

The

following

code

correspond

to

the

appropriate

models.

E2

for

Europe,

£1

for

Asia,

E3

for

U.S.A.,

EK

for

U.K.,

EA

for

Australia

and

EC

for

Canada.

This

Service

Manual!

is

prepared

based

on

E2

Gold

Version.

a

ee

PMA-777/757.

mam

4

+

;

”

2

“i

a

4

&

a

#

sal

K

&

E

wey

Sar

SNeOE

oom

NN

PVA

777/755

mene

=

CONTROLS

AND

FUNCTIONS

SPEAKER

SYSTEM

(A)}

TURNTABLE:

|

TURNTASLE-2

.

SPEAKER

SYSTEM

(B]

|

a

4

=

a

PMA-777

Unit

e

=

DAD

PLAYBACK

3

EQUIPMENT

:

LINE

OUT

AC

OUTLET

=

(Pe)

LINE

IN

eee

=a

(Acc)

This

figure

is

the

European

model.

ENE

her,

PMA-777

®

©

®

Vee

“ToT

ET

ioe

alt

v

TPT

ERS,

“HTK

yry.

net

pee

PMA-757

@

®

RSM

ot

reat

labs

abc

OY

On

O

©

est

es

g

[T1060

.

Ps

TAPE

DECK

?

ese

GREes

ins

Fig.

1

:

CONNECTIONS

*

Do

nat

plug

power

cord

into

AC

outlet

until

all

connections

are

completed.

*

Connect

right

(R)

channel

plug

to

right

(R)

channel

jack,

and

left

channel

plug

to

left

channel

jack.

BALANCE

(Balance

Contain

a

®@

Insert

plugs

firmly

into

Forespansling

jacks.

If

connection

is

incomplete,

note

may

be

generated.

:

ae

:

a

©

Piug

audio

component

power

cords

into

AC

OUTLET

terminal,

Do

not

use

this

terminal

for

other

electrical!

SUBSONIC

(Subsonic

filet

Switch}

oan

appliances,

such

as

hair

dryers.

(NOT

INCLUDED

IN

SYSTEMS

FOR

USE

IN

EUROPE

AND

AUSTRALIA)

LOUDNESS

(Loudness

Switch)

:

©

Do

not

bundle

plug

cords

with

power

cord.

Do

not

place

plug

cords

near

power

transformer,

or

hum

and

PHONO

(Turntable

Select

Switch)

.

only

for

PMA-777

AL

Phono

1,

~~

Phono

2

VOLUME

(Volume

Controt)

INPUT

SELECTOR

(Input

Selector

Switch}

PHONO,

TUNER,

DAD,

VIDEO/AUX

MODE

(Mode

Switch)

TAPE

MONITOR

(Tape

Monitor

Switch}

rey

Shetee

nioemal,

mono

SPEAKERS

(Speaker

Select

Switch]

CARTRIOGE

(Cartridge

Select

Switch}

SYSTEM

A,

SYSTEM

B

-

MC,

JL

MM

phones

(Headphone

Jack)

POWER

&

LED

Indicator

(Power

Switch

and

LED

Indicator)

BASS

(Bass

Control)

DIRECT

COUPLE

(Direct

Coupling

Switch)

TREBLE

(Treble

Control}

REC

OUT

SELECTOR

(REC

OUT

Selector

Switch}

off,

source,

tape

1»

2,

tape

2

>

1

other

noise

may

occur.

*

Always

connect

a

plug

cord

or

shorting

pins

to

“PHONO”

sensitive.

If

these

terminal

are

not

connected,

induction

hum

may

occur.

AC

OUTLETS

(NOT

INCLUDED

IN

SYSTEMS

FOR

USE

IN

EUROPE

AND

AUSTRALIA)

AC

outlets

are

used

for

connecting

amplifier

component

units,

such

as

tuner,

turntable,

tape

deck,

etc.

*

SWITCHED

(Capacity:

100

W):

This

outlet

is

turned

on/off

when

main

power

switch

js

turned

on/off.

*

UNSWITCHED

(Total

capacity:

250

W):

These

outlets

are

always

ON

whether

power

switch

is

on

or

off,

LINE

VOLTAGE

(Voltage

select

switch)

...

NOT

INCLUDED

IN

SYSTEMS

FOR

USE

IN

EUROPE,

U.S.A,

CANADA

ANDO

AUSTRALIA

PRE-SET

*

The

desired

voltage

may

be

set

with

the

VOLTAGE

SELECTOR

LINE

VOLTAGE

KNOB

on

the

back

pane!

using

a

screw

driver.

t

*

Do

not

twist

the

VOLTAGE

SELECTOR

KNOB

with

excessive

force.

It

may

be

damaged.

*

Ifthe

voltage

select

switch

does

not

turn

smoothly,

see

a

qualified

input

terminals

because

these

terminals

are

highly

OOOO

OO

copy

©

6

a)

@

E)

Cy

&)

©

@

serviceman,

t

Fig.

3

I

64]

|

DNR

Se ee AD

ro

Tere

err

es

mera

¢

PMA-777/

757

METHOD

OF

ADJUSTMENTS

Carry

out

adjustment

at

room

temperature

and

normal

humidity

with

the

power

source

Operating

at

the

rated

voltage,

ADJUSTMENT

OF

IDLING

CURRENT

(ETCO738,

ETCO738B)

—

Fig.

4

Preparation

2

Connect

a

digital

voltmeter

(be

able

to

measure

0.01

mV

through

1

mV

DC)

to

the

REC

output

(Lch

and

Rech).

.

,

Connect

a

100-k

ohm

(1/4

watt

or

so)

resistor

across

the

test

point

{Lch

TP-3,

4

and

Rch

TP-5,

6)

on

the

EQ

Amp

unit.

Set

the

switches

as

follows:

1

Place

the

unit

in

normal

operating

condition,

avoid

such

good

ventilating

location

close

to

air

conditioner,

circulating

fan,

etc,

The

unit

circumference

temperature

must

be

in

15°

~

30°C.

Eas

2

Set

the

switches

as

follows:

.

Be

INPUT

SELECTOR

+

PHONO

*

POWER

SWITCH

>

OFF

;

Ree

-

REC

OUT

SELECTOR

>

Source

#

VOLUME

CONTROL

+>

—~(f))

ees:

CARTRIDGE

+

MM

©

DIRECT COUPLE

>

DIRECT

ee

VOLUME

CONTROL

+

—e(%)}

*

SPEAKER

TERMINAL

~

Nol

D

k

istors.

‘EF

Yadjustment

;

Adjustment

eae

ea

ange

pipes

I

ccouinately

2

minutes

after

turning

on

the

POWER

switch,

rotate

—

VR103

(PMA-777),

VR101

(PMA-757)

and

adjust

1

Remove

top

cover

and

rotate

VA301

{Lich}

counterclockwise

(7\

)

and

VR302

(Reh)

clockwise

(C%)

on

the

ETC-738.

Connect

a

DC

voltmeter

to

the

test

point

({Lch

TP-1,

2

and

Ach

TP-3,

4).

5

2

Connect

the

power

cord

and

turn

the

POWER

switch

on.

Immediately

after

turning

on

the

power,

rotate

VR301

clockwise!

DC

or

less

value.

(C%),

VR302

counterclockwise

(")}

and

adjust

the

test

point

voltage

value

—

PMA-777:

2mV

40.2

mV

DC

PMA-757:

5mV

40.2

mV

DC

3

minutes

after

the

preparatory

adjustment

as

in

step

2,

rotate

VR301,

VR302

and

obtain

the

voltage

value

—

PMA-777:

11

mV

+2

mV

DOC

d

PMA-757:

13

mV

+0.5

mV

OC

Cada...

3

9@

|

Digital

Volimeter,

to

RECOUT

Termingt

CAUTION

VR301

and

VR302

of

the

present

model!

have

Opposite

turning

directions

in

adjustment.

In

the

future

by

changing

of

the

board,

adjustment

of

VR302

will

be

the

same

manner

as

of

VR301.

Therefore

after

the

board

has

changed

(222

1090

208),

adjust

the

VR302

with

the

possible

care.

\

ne

:

K

TP-60

7

DENON

\

.

-

(SEER

\\

t

ETC-739-]

>

ci

vRIO3

i:

oe

|

©)

OC

Vol!meter

:

900

TP-3

|

a

I

Le

)

|

1

I

|

—

J

L

ra)

1

‘

2

i

'

t

§

(Dts

tortion)

IT

6

ot6

ile

f

EQ

AMP

UN

VR302

o

0

(idting)

1

OT

¢

Fig.

5

TP-3_

TP-4

for

:

PMA-777

vR301

oe

[

as

(GENSA)

oO)

a®

Digital

Voltmeter

()

ra

me

fo

RECOUT

Terminal

ES

POWER

AMP

UNIT

|

fej

DENON

ADJUSTMENT

OF

DISTORTION

FACTOR

(Fig.

4}

1

Connect

a

8-ohm

loading

resistor

across

the

speaker

terminal.

2

Inject

20

kHz

sine

wave

signal

through

the

TUNER

terminal.

Operate

both

L

and

R

channels

and

obtain

50

watts

(20

Vrms)

output

power

across

the

8-ohm

loading

resistor.

3

Adjust

VR303

{Lch)

and

VR304

(Rch)

for

minimum

distortion

factor

(be

sure

to

put

bottom

cover

to

the

unit

during

the

adjustment).

EQ

AMP

UNIT

3

Fig.

5°

for

:

PMA-757

<@

PMA-777

|

;

ETCO740

P.S

&

PROTECT

UNIT

2

re

a

:

ates

SS

crs

eee

.

i

TN

pasate

See

PAN

hasten

ah

Ke

.

: ; ,

4

.

recy

as

pak

By

ARS

4 ;

AHR

BQ

|

Cite

Le

as

ity

TRBO3

?

Sext

RSI2

ch

as

oa

Wek

Oe

RP

1GL6S

76:

Par

es

iets:

aie

ae

i

}

-

{

i

!

'

:

ha

-

10—

‘

Perea,

ca

.

;

“}

;

get

ETC0739

INPUT

&

EQ.

UNIT

PARTS

LIST

Pas

[rene

|

es

ig

aa

re

ei

gd

SEMICONDUCTORS

2630118027

NJM45600X

(JRC)

Ic

2630133002

pPC741

(NEC)

tc

AWKITO(BLINVIOVGS

FET

2750046008

2750043001

2SK381(B)/(C)

FET

2SC2824(¥/0)

TRANSISTOR

2730236029

2710178039

2SASE4

A(R)

TRANSISTOR

2710135027

2SA1184(Y/O)

TRANSISTOR

2760049008

182076

OIODE

2760224001

HZ-30

ZENER

2760191008

wo3c

DIODE

2760301005

HZ22-2

ZENER

VRIC3,}

EP-5462H13

SOLIO

VR

100k

ohm

104

CAPACITORS

(not

included

Ceramic

15%,

50V

Type)

C101

2544145005

G.47pF

220%

5OV

ELECTROLYTIC

~103

!

C127,

|

sets

|

0.0047pF

25%

SOV

PLASTIC

FILM

128

C129

2544157006

470yuF

120%

25V

ELECTROLYTIC

Ci31,

2549011008

iF

LOW

LEAK

SOV

ELECTROLYTIC

132

ci33,

2544146004

YF

+20%

SOV

ELECTROLYTIC

134

C135,

2554173009

0.015pF

+£5%

5O0V

PLASTIC

FILM

136

C137,

2554121009

270pF

45% SOV

PLASTIC

FILM

138

C139,

2554187008

0.056uF

+5%

SOV

.

PLASTIC

FILM

140

C141,

2554

169000

O.0ipF

25% SOV

PLASTIC

FILM

142

C143,

2544130007

100pF

+20%

10V

ELECTROLYTIC

144.

C145,

2544146004

VpF

120%

SOV

ELECTROLYTIC

146

C149

2554

163006

0.0056yF

15% 50V

PLASTIC

FILM

~152

c1s3,

2531024003

O.01lpF

+80,—20%

50V

CERAMIC

194

C355,

2554169000

O.01uF

+#5%

SOV

PLASTIC

FILM

356

C357,

2554177005

0.022yF

15%

SOV

PLASTIC

FILM

358

-|

C612

2544153000

47

pF

+20%

SOV

ELECTROLYTIC

C615,

2544146004

ipF

120%

50V

ELECTROLYTIC

616

C1739

2531024003

O.01pF

+80,—-20%

SOV

CERAMIC

~181

ae

LES5O}

L301,

PL601

~609

RL501

C617

~624

253

1024003

2124513002

2124330007

2124512003

2124422009

2124187001

2124510005

222

1091100

EP-S667H1

2090008

146

2090008

120

2090008117

4140116106

3939154008

2350007007

3930083000

4530022208

4530023207

1220109007

4410412200

2034197097

2034214019

2034185096

2034181074

2034181087

2638132016

2140037008

2048100009

2050145007

2036084001

2040079002

2048659008...

4140240001

4170043000

4730354019

2050

190036

2050

190052

2050185038

2050185054

Part

Name

&

Descriptions

O0.01pF

+80,—-20%

50V

CERAMIC

SWITCHES

SLIOE

SW

(4-2)

REMOTE

:

PH.

SELECTOR

SLIDE

SW

(4-2)

REMOTE

CARTRIDGE

4P

PUSH

SWITCH

INPUT

SEL.

2P

PUSH

SWITCH

_T.

MONITOR

SLIDE

SW

(4-4)

REMOTE

REC

OUT

2p

PUSH

SWITCH

OTHER

PARTS

P.LW.

BOARD

TERMINAL

USED

30

JUMPER

WIRE

P=5mm

USED

6

JUMPER

WIRE

P=10mm

USED

100

JUMPER

WIRE

P=12.5mm

USEO

8

SHIELO

COVER

USED

2

PR5552K-1

RED

LED

INQUCTOR

PILOT

LAMP

16V

0.04A

USED

9

LAMP

COVER

(A)

USED

7

LAMP

COVER

(B)

USED

1

BLIND

SHEET

LEO

HOLDER

3P

CONNECTOR

CORD

3P

CONNECTOR

CORD

3P

CONNECTOR

CORD

3P

CONNECTOR

CORD

3P

CONNECTOR

CORD

5P

CONNECTOR

CORD

RELAY

HEADPHONE

JACK

4P

CONNECTOR

BASE

4P

CONNECTOR

BASE

6P

CONNECTOR

BASE

OIN

JACK

(5P)

EARTH

PLATE

RADIATOR

USED

2

TAPPING

SCREW

(2)

3x8

USEO

2

3P

NH

CONNECTOR

BASE

USED

2

5P

NH

CONNECTOR

BASE

3P

WIRE

HOLOER

USED7

5P

WIRE

HOLOER

PHONO

USED

2

SP.

:

SEMICONDUCTORS

JUMPER

WIRE

P=t0mm

601;

|2

2740088018

[

2S01406(Y/GR)

TRANSISTOR

2034163063

|3P

CONNECTOR

CORD

“|'

2730235020

|

2SC1841(E/F)

TRANSISTOR

2034193046

|3P

CONNECTOR

CORD

_

2730269038

|

2SC1685(R)

TRANSISTOR

20

0U

LUO

RE]

Fe

US

BEHOLD

EH

IEOS

Cad

ceeneaeem

4120952102

2050144008

20501

78003

4730354019

CONOENSER

BRACKET

BP

TERMINAL

:

EARTH

PLATE

TAPPING

SCREW

(2)

3x8

USED

4

.

2730269038

2SA564A

(Ri)

TRANSISTOR

182076

DIODE

2760236031

HZ5C-1

ZENER

5130913004

FUSE

LABEL

2760356005

DSF

820(4001)

DIODE

276015

1006

1D2C-1

DIODE

ETCO740D_

E1

for

Asia

(Same

as

ETCO740

except

the

followings.)

Ret.

:

CAPACITORS

2760256008

RESISTORS

*;

|

2412096008

CARBON

5

7iPS.

2412116001

10k

ohm

45%

1/4W

2412108006

4.7k

ohm

25%

1/4W

CARBON

C359

2531024003

O.01nF

+80,-20%

50V

CERAMIC

2412164008

1Mohm

£5%

1/4W

CARBON

~362

(DELETE)

2412036000

4.70hm

1#5%

1/4W

CARBON

C635,

2568024018

O.1yF

220%

250V

METALIZED

2412116001

10k

ohm

s5%

1/4W

CARBON

636

(DELETE)

2412149007

220k

ohms:5%

1/4W

CARBON

-

OTHER

PARTS

20200226008

FUSE

HOLDER

2412120000

15k

ohm

+5%

1/4W

CARBON

1/4W

CARBON

eae

Ce

AY

We

ETCO740E

£3

for

U.S.A.

(Same

as

ETCO740

except

the

followings.)

CAPACITORS

Part

Nama

&

Descriptions

2531024003

O.0ipF

+80,-20%

SOV

CERAMIC

CAPACITORS

2544129005

47pF

220%

10V

ELECTROLYTIC

253

1024003

O.01pF

+80,-20%

50V

CERAMIC

2544161034

330uF

220%

6.3V

ELECTROLYTIC

(DELETE)

2531024003

O.01pF

+80,-20%

50V

CERAMIC

2568024018

ON

uF

220%

250V

METALIZEO

(DELETE}

2531053003

O.0tuF

+100,-0%

500V

CERAMIC

2546058006

22000/22000yF

63V

ELECTROLYTIC

Ag

+20%

BOV

ELECTROLYTIC

50V

ELECTROLYTIC

2544063035

2544146004

TSE

UPZINE

100puF

FUSE

LABEL

FUSE

LABEL

4.7ohm

+#5%

1/4W

CARBON

(NB)

ETCO740E

EA

for

Australia

and

EK

for

U.K.

(Same

as

ETCO740

except

the

followings.)

Ref.

‘

No.

Part

No.

Part

Name

&

Descriptions

Fs

earacrvors

2221092109

P.W.

BOARO

EPLERETIIY

S

EHMIMAE

RIE

GSED

SE

c3s9

|

2531024003

|

0.01nF

+80,--20%

50V

CERAMIC

2090008120

|

JUMPER

WIRE

P=10mm

USEO

5

<3)

IDELETE)

SORNinEOER

16e

WIRE

HOLDER

ces,

|2868024018

|O.1nF

220%

250V

METALIZED

2050185038

|

3P

WIRE

HOLDER

USED2

636

(OELETE)

2050190036

|

3PNH

CONNECTOR

BASE

USED]

2050122033

|

3P

CONNECTOR

ASS‘Y

USED

2

Soenusnad.

|

Sa

TERMINAL

SEG

S

F601

|

2061015087

|

FUSE

[T4A)

MINISEMKO

=

(DELETE)

2061015087

|

FUSE

(T4A}

MINISEMKO

{ADD}

2090052008

JUMPER

0=1.6

f=20mm

USED

3

by

HO

DYA

duaseag

ieee.

S41

for

Asia

2739

except

the

followings.)

RESISTORS

yr

BOO

470k

ohm15%

1/4W

CARBON

(DELETE)

‘8120

JUMPER

WIRE

P=1}0mm

{CHANGE}

CAPACITORS

CERAMIC

|

(OELETE)

3000.

|

470pF

25%

SOV

CERAMIC

|

{OELETE}

5008

|

S6UpF

-

25%

50V’.

CERAMIC

(DELETE)

4003

|

O.0tuF.

+B0,--20%

SOV

CERAMIC

|

:

(OELETE}

5004

|

24GpF

5%

«=

SOV

CERAMIC

H

(DELETE)

O05

|

47pF

25%

SOV

CERAMIC

|

(CHANGE}

OTHER

PARTS

a

008

|

BIN

JACK

(5?)

{OELETE)

“720

JUMPER

WIRE

P=10mm

>

USED

102

i

|

(CHANGE}

!

470%

ohmi5%.,

1/4W

CARBON

(OELETE)

{CHANGE}

JUMPER

WIRE

P=

{0mm

CAPACITORS

W/4W

CERAMIC

(DELETE)

+B0,~20%

50V

CERAMIC

{CHANGE}

(430pF

25%

0.01

yF

©

PMA-777

ETCO739

INPUT

&

EQ

UNIT

ARAL

ANG

Soe

to

"Bh

v@-aa7e

SSN

OT:

:

Part

Name

&

Descriptions

5%

50V

2533643000

470pF

4

CERAMIC

(DELETE)

CERAMIC

(DELETE}

CERAMIC

(CHANGE).

CERAMIC

{CHANGE)

2533636004

240pF

415%

°

5OV.

253364

5008

S60p

F

+5%.

SOV

2533619005

AIpF

45%.

SOV

-

OTHER

PARTS

2048059008

2090008120

DIN

JACK

{5P)

(DELETE)

JUMPER

WIRE

P=10mm_

USED

102

(CHANGE)

ne

addF

947-9

CETOT39

ETCOQ739F

EA

for

Australia

and

EK

for

U.K,

(Same

as

ETCO739

excep

the

followings.)

Part

Nmae

&

Descriptions

..

Part

Nama.

&

Ovescriptions

wee

7533643000

25%

SOV

470pF

CERAMIC

:

(DELETE)

CERAMIC

:

(OELETE

35%

CERAMIC

ICHANG{).

25336

19005

£5%

CERAMIC

:

174

(CHANG

()

JUMPER

WIRE

P=

t0mm

(CHANGE)

:

CAPACITORS

2533636004

240pF

45%.

50V

2533645008

2533642001.

|

430pF

15%

50V.

CERAMIC

|

OTHER

PART

7

(DELETE)

-

2531024003

|

0.01F

|

+80,-20%

50V

CERAMIC

2090008120

j

JUMPER

WIRE

P~10mm

USED

102.

{CHANGE}

ICHANGE

~

J

i

4

§

i

4

:

i

:

i

te

ee

te

meee

enenree

*

PMA-777

ETCO738

TONE

&

POWER

UNIT

Part

Na.

MeV

et

BIN

miners

RIOD

Wier

see

310

0205

~210

0391

204

=

D305

i

~308

Rie.

:

;

0309,

Pe

Ee

Sa

fe

bh

ay

j

ite

Al

”

ince

sa

Fe

Ws,

oT

£5

MW,

aH

(iS:

tS

cH

Rae

LF}

be

:

7

312

=

feiss

eee

their

i

0313

ay

ae

IPAS

Faas

2

~316

Ty

ey

"

Ce

ay

TCT

CS

eib

|

D317

4A

is

enaientd

rar)

336

0355

i

~358

2750046008

2630257001

2750046008

2730235020

|

2710185006

|

2730307000

|

t

2710185006

2730198015

2730307000

2710185066

|

2730199027

2710104029

2760049008

!

2760253001

2760049008

2760388002

2760236031

olf

2760052053

2760049008

ETCO738

TONE

&

POWER

UNIT

PARTS

LIST

SEMICONDUCTORS

ZSKRVIOIBLIVIVJOVGS

|

FET

Part

Nama

&

Descriptions

M:521BP

IMITSUBISH})

IC

28K

IPOIBLIV(VIOVGS

|

FET.

TSCIBSI(E/F}

ISANIONY)

2SC2229(O01/

(91

2SAD49(O)/1Y)

2SCiBIS(BL)

2SC

2238

Y)/10)

2S

ABBY

I/O}

1$2076

|

OME”

HZ5C-%

1S2076

182976

2

—DIOCE

-

DIODE

TRANSISTOR

DIODE

NER

{wh

OPENER.

“ZENER

DIODE

DIO

OE

RESISTORS

(not

included

Carbon

Film

15%,

1/4

Typel

ETFCO738E

.

£3

for

U:S:A.

(Same

as

ET

C0738

except

the

followings.)

Part

No.

Part

Name

&

Descriptions

CAPACITORS

2544203002

Ty

F

:20%

160V.

ELECTROLYTIC

(CHANGE)

ae

Fee

10M

ohm

210%

1/4W

CARBON

wee

¥s

COMPOSIT

CAR

EON

(NE).

mY

a

fy

aa

/AW,

2

PEE

ah

Wha,

oa

|

RSE

aN

ci

Ones

tog

re

A

ot

ER

Ais.

Geis

Ao

TRL

AS.

t

pea

Ske

pt

1!

aH,

ETC-739-3

ETC

—739-1

ETC-740-2

TO

ACLINE

(PIA

777/77

CONNECTION

DIAGRAM

«

PMA-777

This

figure

is

E2

version

yams

|

Uk

|

ETC-739~2

738

ETC—

—-

16-

&

REP---RED

PURPLE.

va

ROO

ETC-739-5

ETC-739-4

PMA-T77/75

7

wens

ETC0O740B

P.S

&

PROTECT

-.UNIT

PARTS

LIST

9

Part

Name

&

Descriptions

w

hoe

eras

ey

oo

a

RUSE

HOCDEREUS

ID 10

ME

Part

Name

&

Descriptions

eae

22008

»

|

AFUSE

HOCDER:

USED

1Osne

nw

ete

oO.

YP

CONTACT

ASS'Y

SEMICONDUCTORS

JUMPER

IWRE

P+

10mm

2730235020

|

2SC1841(FI/(E}

TRANSISTOR

ETCO740M_

E11

for

Asia

2730269038

|

25C1685(A}

TRANSISTOR

(Same

as

ETCO740B

except

the

followings.)

2730269038

|

25C1685(A)

TRANSISTOR

2740088018

}

2S01406{Y)/(GR)

TRANSISTOR

2760049008

|

182076

DIODE

2760356005

|

05FB20(4001)

DIODE

CAPACITORS

2760151006

|

108C-1

DIODE

2760256008

|

HZ-16-2

‘ZENER

2531024003

|

O.01nF

+80,—20%

50V

CERAMIC

(DELETE)

RESISTORS

_

|

2531053003

|

O.O1pF

+100,-0%

500V

CERAMIC

(OELETE!

R503

2412096008

|

1.5kohmi5%

1/4W

CARBON

2531025002

|

0.022uF

+80,~20%

SOV

CERAMIC

4504,

|*2417369081;"

|

(330

OHM"ESR

IN

1/4WECARSON

(NB)

(DELETE)

R505

2412116001

1Ok

ohm

15%

1/4W

CARBON

Bea

a

R506

2412108006

4.7k

ohn

15%

1/AW

CARBON

OTHER

PARTS

,

R507

2412364008

IMobm

«5%

/4W

CARBON

mace

:

R508

2412036000

4.

John

25%

I

74W

CARBON

5430934009

FUSE

LABEL

(OELETE)

R509

|

2412116001

10k

ohm

45%

1/4W

CARBON

2020072008

|

FUSE

HOLOER

USED

&

(CHANGE)

R601

2410205008

|

6.Bkohm:S5%

1/2W

CARBON

2061015087?

|

FUSE

(4A)

(OELETE)

COMPOSIT

203022602?

1P

CONTACT

ASS'Y

(OELETE)

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