Denon Pma-830 User manual

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EF

N

C)

N

Hi-Fi

Component

Ampiifier

SERVICE

MANUAL

MODEL

PMA-830

|

SOLID

STATE

STEREO

INTEGRATED

AMPLIFIER

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PMA-830

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TABLE

OF

CONTENTS

SPECIFICATIONS

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PRINTED

CIRCUIT

BOARD

PATTERNS

AND

PARTS

LIST

INPUT

TERMINAL

UNIT

SE

O2y

<c

Sa

ne

6

CONTROL

(A)

UNIT

$

MENG

2508

atoning

Aeneas

ae

ese

e

6

CONTROL

(B)

UNIT

E162

siete

hes

tabs

ee

es

9

POWER

SOURCE

AND

PROTECTOR

UNIT

ETC-280........

0.000

cece

eee

10

POWER

AMP

UNIT

BUX

0205.35

226

deve

Sulnne

enous

enn

butnts

11

WIRING

DIAGRAM

«4

2.02453,

peeaw

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dade

ich

one

Posie

sees

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14

en

OV

A-S30

ml

SPECIFICATIONS

MAIN

AMPLIFIER

SECTION

Type:

All

stages

pure

complementaly

push-pull

system

DC

circuit

Rated

Output

(both

channels

driven)

20

Hz

to

20

kHz

(at

8

ohm)

Class

B

operation:

Class

A

operation:

65

W

at

each

channel

(T.H.D.

0.01%)

15

W

at

each

channel!

(T.H.D.

0.005%)

1

kHz

(at

4

ohm,

T.H.D.

0.02%)

Class

B

operation:

Total

Harmonic

Distortion

Class

B

operation:

Class

A

operation:

{intermodulation

Distortion

60

H2/7

kHz

=

4/1:

Power

Bandwidth

Class

B

operation:

Class

A

operation:

Transmission

Characteristic:

Input

Sensitivity

:

Input

impedance:

Output

Impedance:

Signal

to

Noise

Ratio:

Output

Terminals

Speaker:

Headphone:

90

W

at

each

channel

less

than

0.01%

less

than

0.005%

less

than

0.01%

(at

equivalent

rated

output)

less

than

0.01%

{at

1

watt

output)

5

Hz

to

80

kHz

(IHF,

T.H.D.

0.05%)

5

Hz

to

100

kHz

(IHF,

T.H.D.

0.05%)

DC

to

100

kHz

“0

dB

(at

1

watt

output}

1

volt

r.m.s.

50

k

ohm

less

than

0.16

ohm

122

dB

A

&

B,

4to

16

ohm

Joad

A+8B,8

to

16

ohm

load

for

Stereo

Headphone

PRE

AMPLIFIER

SECTION

Pre

Amplifier

Output

Max.

Output:

Rated

Output:

Total

Harmonic

25

V

1V

Distortion:

0.003%

{at

3

V

output)

Equalizer

Amplifier

Output

Max.

Output:

25

V

(T.H.D.

0.01%

at

50

k

ohm

load)

Rated

Output:

320

mV

Input

Sensitivity/input

Impedance

Phono-1,

2:

2.5

mV

/50k

ohm

Tuner:

320

mV

/40

k

ohm

Aux.

Tape:

320

mV

/

40

k

ohm

Maximum

Allowable

Input

Phono:

200

mV

1

kHz

RIAA

Deviation:

less

than

+0.2

dB

(20

Hz

to

20

kHz)

Signal

to

Noise

Ratio

(IHF.

A

network)

Phono:

better

than

90

dB

{input

terminal

shorted}

Tuner,

Tape,

Aux:

better

than

105

dB

(input

terminal!

shorted)

Aux

—

Pre

Out

Frequency

Response

5

Hz

to

100

kHz

~

Tone

Control

Section

Variable

Range

100

Hz

+8

dB

10

kHz

+8

dB

0

,

28

Tone

Defeat:

Bass:

Treble:

Filter

Characteristic

20

Hz,

—6

dB/oct

Loudness

Control

Characteristic

100

Hz+7

dB

10

kHz2+6dB

AC

220V,

50

Hz

440

W

(at

max.

output

power)

Subsonic:

Low

range:

High

range:

Power

Source:

Power

Consumption:

Dimensions:

434

(W)

x

164

(H)

x

400

(D)

mm

17-5/64"

(W)

x

6-29/64”"

(H)

x

15-3/4"

(D)

Weight:

16

kg,

35.3

Ibs

These

contents

are

subject

to

alteration

without

prior

notice.

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PM

A-830

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PMA-830

mm

EXPLODED

VIEW

OF

CHASSIS

AND

CABINET

FRONT

SIDE

mum

PM

A-830

BACK

SIDE

—~5—

eae

OV

A-S30

a

CHASSIS

AND

CABINET

GROUP

PARTS

LIST

Part

Name

&

Descriptions

Part

Name

&

Descriptions

477006411

07

|

FIXING

SCREW

4110145204

|

CONTROL

BRACKET

(A)

;

4730353

TAPPING

SCREW

3

x

6

(2)

=

4610061121

|

RUBBER

SHEET

3

4110148502

|

SIDE

CHASSIS

59

2740037014

|

2SD427

(R)

or

(O)

TRANSISTOR

4

4140114205

|

SHIELD

COVER

60

4120372106

|

RADIATOR

BRACKET

(A)

5

4610074176

|

BLIND

61

4711809033

|

CROSS

PEN

SCREW

3

x

18

6

2120119002

|

SPEAKER

SWITCH

62

4753001051

|

3

TOOTH

WASHER

i

2558001007

|

OIL

CAPACITOR

0.01uF

63

2720024005

|

2S8557

(0)

TRANSISTOR

8

3930032019

|

PILOT

LAMP

6.3V

0.15A

64

INSULATING

SHEET

g

2124122008

|

POWER

SWITCH

65

4170077105

|

POWER

RADIATOR

10

4110144409

|

FRONT

CHASSIS

66

4120373105

|

RADIATOR

BRACKET

(B}

11

— —

67

MD-4232

WIRE

CLIP

12

_

—

68

4110147309

|

MAIN

CHASSIS

13

ADHESIVE

TAPE

69

2546031007

|

6800uF

50

V

CAPACITOR

14

BLIND

70

2050095102

|

EARTH

PLATE

15

4730354035

|

TAPPING

SCREW3x8

71

2P

CONNECTOR

16

1440375103

|

FRONT

PANEL

ASS.

72

4450020005

|

CORD

BUSH

17

1120161006

|

KNOB

ASS.

73

2062016001

|

AC

CORD

18

BLIND

SHEET

74

4610061118

|

RUBBER

SHEET

19

_

—

75

1050294001

|

BACK

PANEL

20

4711304033

|

CROSS

PAN

SCREW

3

x8

76

2070002007

|

TRANSISTOR

SOCKET

21 11

mm

NUT

ie;

PUX-020L

POWER

AMPLIFIER

UNIT

(L)

22

2048011101

|

HEAD

PHONE

JACK

78

3P

CONNECTOR

CORD

23

4110146106

|

CONTROL

BRACKET

(B)

73

—

24

1120160007

|

KNOB

ASS.

80

4140113002

|

INPUT

BRACKET

25

1120162209

|

KNOB

ASS.

81

ETC-143

INPUT

TERMINAL

UNIT

26

1120166108

|

LEVER

KNOB

82

— —

27

1430041007

|

PILOT

LENS

83

2020012005

|

FUSE

HOLDER

28

SC-1162

SPECIAL

SCREW

84

2061015087

|

FUSE

4.0A

TIME

LAG

29

1020063440

|

TOP

COVER

85

_

-

30

1220007057

|

SPACER

86

2335127009

|

POWER

TRANSFORMER

31

ETC-259B

CONTROL

(A)

UNIT

87

2050003000

|

3

T

LUG

TERMINAL

32

—

88

4752006002

|

6

mmS

WASHER

33

2110161109

|

100

k

ohm

x

2

POTENTIOMETER

89

4756012005

|

6

mm

NUT

34

2110162001

|

100

k

ohm

x

2

POTENTIOMETER

90

ETC-280

POWER

SOURCE

&

PROTECTOR

UNIT

35

2120114007

|

ROTARY

SWITCH

91

1P

CONNECTOR

ASS.

36

2120115019

|

FUNCTION

SWITCH

92

4P

CONNECTOR

CORD

37

2120127007

|

FUNCTION

SWITCH

93 3P

CONNECTOR

CORD

38

2110160100

|

50

k

ohm

x

2

POTENTIOMETER

94

2038004005

|

5P

CONNECTOR

CORD

39

8

mm

NUT

95

3P

CONNECTOR

CORD

40

7mm

NUT

96

2050070004

|

8P

TERMINAL

41

7mm

TOOTH

WASHER

97

2056037005

|

SHORT

42

9

mm

NUT

98

4770088002

|

4.1

mm

WASHER

43

9

mm

TOOTH

WASHER

99

2050043109

|

GND

TERMINAL

44

1050188405

|

BOTTOM

COVER

100

_

—

45

2124110007

|

LEVER

SWITCH

101

4140057207

|

BOARD

BRACKET

46

2120118003

|

ROTARY

SWITCH

102

2036043000

|

4P

CONNECTOR

BASE

47

2120117004

|

ROTARY

SWITCH

103

—

2034093052

|

3P

CONNECTOR

CORD

48

2124110010

|

LEVER

SWITCH

104

PUX020R

POWER

AMP

UNIT

(R)

49

2110163107

|

100

k

ohm

x

2

POTENTIOMETER

105

= a

50

4700009006

|

CROSS

PAN

SCREW3

x6

106

=

51

4P

CONNECTION

CORD

107

a

-_

52

ETC-277

CONTROL

(B)

UNIT

108

2030014048

|

1P

CONNECTOR

ASS.

53

1120163208

|

KNOB

ASS.

109

MD-5271

P.C.B.

SUPPORT

54

1040040003

|

FOOT

110

MD-4368

WIRE

CLIP

55

4730456014

|

TOPPING

SCREW

4

x

12

(2)

111

4753100004

|

4

mm

TOOTH

WASHER

a

56

7mm

NUT

112

4770006004

|

4mm

NUT

4410316005

|

DIN

PLATE

Sa

NS

Ot

abe

Beate,

SU

tl

it

A a

mu

PMA-S30

METHOD

OF

ADJUSTMENTS

DC

VOLTMETER

DC

VOLTMETER

L-CHANNEL

DS

{DIODE}

TRIZ0

(TRANSISTOR)

CONTACT

WITH

DIODE

AND

TRANSISTOR

VR5

VR3

(VR

6)

(VR

4)

R-CANNEEL

TR

13,D9

{TR

14,

D

10)

SYSTEM-A

=

210

TEST

POINT

SYSTEM-B

meee

PUX-020

POWER

AMP.

UNIT

SPEAKER

TERMINALS

DATA

FOR

ADJUSTMENTS

1.

Confirm

that

forming

has

been

effected

as

shown

in

the

drawing

for

D9

and

TR13,

and

D10

and

TR14,

respectively

of

the

L-

and

R-channels.

(PU

X-020)

2.

The

amplifier

switchs

should

be

set

as

follows:

(1)

SPEAKERS

switchs

to

“A”

system.

(2)

VOLUME

to

minimum

position.

(3)

DIRECT

COUPLE

to

OFF.

(4)

POWER

switch

to

OFF.

(5)

OPERATION

switch

to

“B”

position.

(6)

Confirm

that

a

U-sharped

short

is

inserted

between

the

PRE-OUT

and

MAIN-IN

terminals.

3.

{1}

Connect

a

D.C.

voltmeter

to

the

SYSTEM-A

terminal.

(2)

Connect

a

D.C.

voltmeter

to

the

test

points

of

both

the

L-

and

R-channels

of

the

PUX-020.

Special

attention

should

be

paid

here

with

regard

to

the

polarities

of

the

test

point

voltages:

make

sure

that

16

is

—

and

17

+

for

the

L-chan-

nel,

and

that

35

is

—

and

36

+

for

the

R-channel.

4.(1)

After

setting

the

voltage

regulator

to

0

V,

switch

the

amplifier’'s

power

switch

on.

(2)

While

ovserving

the

indication

of

the

D.C.

voltmeter,

raise

the

power

supply

voltage

from

zero

to

the

rated

voltage

by

using

the

voltage

regulator,

and

carry

out

the

preliminary

adjustments

of

(3)

and

(4)

in

a

swift

manner.

(3)

By

adjusting

VR1

(L-channel)

and

VR2

(R-channel)

of

the

PUX-020,

regulate

the

speaker

terminal

voltage

to

the

ih

range

of

OV

+10

mV.

(4k

By

adjusting

VR5

(L-channel)

and

VR6

(R-channel)

of

the

PUX-020,

regulate

the

rest

point

voltages

to

12

mV

(10

to

14

mV)

[Collector

current

to

26

mA

(22

to

30

mA)].

5.

(1)

On

completion

of

the

preliminary

adjustments

described

above,

carry

out

the

main

adjustments

described

below.

(2)

“

By

adjusting

VR1

(L-channel)

and

VR2

(R-channel),

adjust

the

speaker

terminal

voltage

again

so

that

it

will

be

in

the

range

of

OV

+10

mV.

|

(3)

“Adjust

VR5

(L-channel)

and

VR6

(R-channel)

again,

regulating

the

test

point

voltage

to

17

mV_+1

mV

(Collector

current

to

26

mA

+2

mA).

(4)

With

the

above

adjustments,

the

speaker

terminal

voltage

adjustment

and

idling

current

adjustment

for

B-class

operations

have

been

completed.

6.

(1)

Change

over

the

OPERATION

switch

to

Class

A.

(2)

By

adjusting

VR3

(L-channel)

and

VR4

(R-channel)

of

the

PUX-020,

carry

out

adjustment

of

the

test

point

voltage,

regulating

it

to

470

mV

+10

mV

(Collector

current

to

1

A

+0.02

A).

7.

(1)

Switch

over

the

OPERATION

switch

and

effect

aging

for

10

minutes.

(2)

By

adjusting

VR3

(L-channel)

and

VR4

(R-channel)

of

the

PUX-020,

regulate

the

test

point

voltage

to

500

mV__

f.

+5

mV

(Collector

current

to

1.06

A

+0.01

A).

With

the

above

operations,

idling

current

adjustment

for

A-class.

operations

has

been

completed.

CAUTION

1.

Never

switch

off

power

until

the

idling

current

adjustments

for

Class-A

operations

have

been

completed.

2.

Special

attention

should

be

paid

in

handling

the

variable

resistors

used

for

adjustments,

i.e.,

VR3

and

VR4,

and

VR5

and

VR6,

as

they

can

be

easily

mistaken

for

one

another.

lf

by

mistake,

VR5,

or

VR6

has

been

used

for

the

idling

current

adjustment

for

A-class

operations,

readjustment

must

be

carried

out

(after

confirming

that

the

radiator

of

the

power

amplifier

has

cooled

down)

for

B-class

operations,

since

the

mistake

will

cause

a

deviation

in

the

adjustment

for

B-class

operations.

On

completion

of

this,

carry

out

adjustments

for

A-class

operations

again.

3.

The

adjustment

of

6.

(2)’’

should

be

effected

after

about

10

seconds

have

passed

following

switch-on

of

the

OPERA-

TION

switch.

ny

se

INPUT

TERMINAL

UNIT

PRINTED

CIRCUIT

BOARD

PATTERNS

AND

PARTS

LIST

INPUT

TERMINAL

UNIT

ETC-143

a

ba

a

ww

: :

~—

2

a

e

\

a

2

dee!

uJ

x

=

oO

ETC-143

PARTS

LIST

RESISTORS,

CAPACITORS

2410378003

2531027000

2551088003

OTHER

PARTS

2220560001

2048009003

2048007005

2040055000

2038058019

2038058006

2038059005

4450033005

2040046006

4140113002

MD-5271

+5%

+80,—20%

+10%

470

k

ohm

0.1uF

0.22uF

P.C.

OCARD

1P

JACK

1P

JACK

6P

CONNECTOR

5P

CONNECTOR

5P

CONNECTOR

5P

CONNECTOR

WIRE

CLAMP

BAND

5P

SOCKET

INPUT

BRACKET

P.C.B.

SUPOORT

asia

Ii

Part

Name

&

Descriptions

FOR

PHONO

FOR

REC1,2

FOR

TUNER

FOR

TAPE

R

FOR

TAPE

L

FIXED

CARBON

FILM

RESISTOR

FIXED

CERAMIC

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

,

TUNER,

AUX,

P.B.

,

AUX

FOR

OHONO

1,

2

USED

6

USED

6

PMA-830

-3

oO

CS

Tv

N

«

me

RPMA-830

CONTROL

(A)

UNIT

ETC-259B-1,

-2,

-3

(1)

TONE

UNIT

;

RIQ,20:2SA726(F)

TR25,26:2SA942(

BL)

TRI7,18,

21,22:

25C1000(GR)

aca

2nFRIG:20:2SA7261F)

TR2S,

(7)

95.022

.

Res

|

——1688.922

TR27,28:

25C2089

(BL)

i

$4ly

10/50

R758

()

6)

’

1

iNinw

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ETC-277

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ETC-259B

PARTS

LIST

TR1,2,5,6

Part

Name

&

Descriptions

SEM!

CONDUCTORS

2730188009

2SC1844

(F)

-

TRANSISTOR

TR3,4,7,8

2710095002

2SA991

(F)

TRANSISTOR

TR9,10

2710070001

2SA872

(E)

TRANSISTOR

TR11,12

2730158026

2SC1775

(E)

TRANSISTOR

TR13,14

2730163011

2SC1735

(D)

TRANSISTOR

TR15,16

2710072009

2SA850

(D)

TRANSISTOR

TR17,18,21,22

2730098034

2SC1000

(GR)

TRANSISTOR

TR19,20,23,24

2710087007

2SA726

(F)

TRANSISTOR

TR25,26

2710092005

2SA942

BL)

TRANSISTOR

TR27,28

2730184003

2SC2089

(BL)

TRANSISTOR

D1,2,3,4,

2760049008

1S2076

DIODE

13,14,15,16

D5,6,7,8

2760171028

HV-23G

(YL)

—10—

mum

RM

A-8S30

OO

(Con.)

R5,6

2410266005

10

ohm

+5%

1/4W

R39,40,75,76

2410282005

47

ohm

+5%

1/4W

R27,28

2410294006

150

ohm

+5%

1/4W

R47,48

2410314009

1k

ohm

+5%

1/4W

R89,90

2410320006

1.8

k

ohm

+5%

1/4W

R85,86

2410322004

2.2

k

ohm

+5%

1/4W

R69,70,71,72

2410321005

2k

ohm

+5%

1/4W

R82,82,83,84

2410314009

1k

ohm

+5%

1/4W

R49,50

2410330009

4.7

k

ohm

+5%

1/4W

R91,92

2410338001

10

k

ohm

+5%

1/4W

R77,78

2410346006

22

k

ohm

+5%

1/4W

R51,52,57,58

2410352003

39

k

ohm

+5%

1/4W

R3,4

2410358007

68

k

ohm

+5%

1/4W

R79,80

2410367001

160

k

ohm

+5%

1/4W

R1,2

2410369009

200

k

ohm

+5%

1/4W

R37,38,73,74

2410370001

220

k

ohm

+5%

1/4W

R45,46,61,62

2410765001

1M

ohm

+5%

1/4W

R41,42,43,44

2412020058

4.7

k

ohm

+5%

1/4W

53,54,55,56

R93,94

2412002005

220

ohm

+5%

1/4W

R19,20

2412026052

51

ohm

+5%

1/4W

R65,66,67,68

2412002034

390

ohm

+5%

1/4W

R59,60

2412020058

4.7

k

ohm

+5%

1/4W

R29,30,31,32

2412020090

10

k

ohm

+5%

1/4W

R9,10,15,16

2412003004

6.8

k

ohm

+5%

1/4W

R63,64

2410773006

1M

ohm

+5%

1/4W

R25,26

2412032046

4.7

k

ohm

+2%

1/4W

R21,22

2412012053

20

k

ohm

+2%

1/4W

R23,24

2412032059

39

k

ohm

+2%

1/4W

R87,88

2420203002

10

M

ohm

+10%

1/4W

R7,8,13,14

2452011085

22k

ohm

+1%

1/4W

R11,12,17,18

2412022043

22

k

ohm

+5%

1/4W

R33,34,35,36

2440026008

56

ohm

+5%

1W

CAPACITORS

C3,4,5,6

2333653003

+10%

50V

C7,8,9,10

2533649004

22pF

+10%

50V

C55,56,57,58

2533650006

27pF

+10%

50V

C47,48,49,50

2533653003

47pF

+10%

50V

C83,84

2533658008

120pF

+10%

50V

C59,60,61,62

2533662007

270pF

+10%

50V

C17,18

2533637003

270pF

+5%

50V

C21,22,23,24

2533649004

22pF

+10%

50V

51,52

C15,16

2551121009

0.0068uF

+5%

50V

C19,20

2554073086

0.015uF

100V

C13,14

2554075000

0.047uF

100V

C85,86

2551068007

0.0047uF

+10%

50V

C79,80

2551121009

0.0068uF

+5%

50V

C75,76,81,82

2551121038

0.01

2uF

+5%

50V

C77,78

2551121070

0.027

uF

+5% 50V

C45,46

2561014012

0.22uF

+10%

250V

C93,94,95,96

2561014009

1uF

+10%

250V

2541031002

22uF

+20%

35V

2541003001

10OuF

+20%

6.3V

2344007004

1000uF

6.3V

C27,28,29,30

2544010004

100uF

10V

C25,26

2344015009

10uF

16V

C63,64,65,66

2544047006

10uF

50V

C53,54

2544043000

0.47

uF

50V

C35,36,37,38

2544046007

4.7F

50V

C67,68,69,70

2544047006

10uF

50V

71,72,73,74

C39,40,41,42

2544049004

47

uF

50V

C43,44

2544059036

4.7

uF

63V

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

FILM

STANDING

TYPE

FIXED

CARBON

COMPOSITION

RESISTOR

FIXED

METAL

OXIDE

FILM

RESISTOR

FIXED

CARBON

FILM

RESISTOR

FIXED

METAL

OXIDE

FILM

RESISTOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

CERAMIC

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

PLASTIC

FILM

CAPACITOR

FIXED

METALIZED

PLASTIC

FILM

CAPACITOR

FIXED

METALIZED

PLASTIC

FILM

CAPACITOR

FIXED

TANTALUM

CAPACITOR

FIXED

TANTALUM

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

FIXED

ELECTROLYTIC

CAPACITOR

OTHER

PARTS

2220358307

20501

12069

20501

12056

20501

12030

4140116106

4110145204

2120114007

2120115019

2120127007

2110160100

2110161109

2110162001

2318017000

2090008146

20900081

17

P.C.

BOARD

6P

CONNECTOR

BASE

SP

CONNECTOR

BASE

3P

CONNECTOR

BASE

SHIELD

COVER

CONTROL

BRACKET

(A)

ROTARY

SWITCH

FUNCTION

SWITCH

FUNCTION

SWITCH

V3520V30RA503-

V2420V30RE104-

INDUCTOR

JUMPER

SHORTLEAD

USED

4

JUMPER

SHORTLEAD

USED

4

50

k

ohm

x 2

100

k

ohm

x 2

100

k

ohm

x

2

POTENTIOMETER

P=5mm

p=12.5mm

PMA-830

Hf

CONTROL

(B)

UNIT

ETC-277

CONTROL

(B)

UNIT

(ETC-

277)

RI

10k

mong

;

Sw5S

:

MODE

SWITCH

VR4:

BALANCE

SwW7:

LOUDNESS

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(21)

ETC-2598-2

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e1C-2618

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E1C-2898-2

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etc-280

(16)

ETc-259B-1

(4)

eTC-280

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ETC-2598-1

(6)

eTc-280

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etc-280

(32)

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32)

eTc-280

(33)

PRE

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ETC-z+

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(at

ETC-2698-3

(39

ETC-2598-3

(40)

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ETC-2598-3

(45

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(7)

ETC-261B

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(8)

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»

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(20)

ETC-2598-3

(43)

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(18)

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(15)

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(9)

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etc-25ee-1

(10)

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ETC-2598-3

(42)

42)

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OUT

Ach

ETC-2598-2

(14)

etc-2598-2

(16)

ea

hp

ae

meee

RPMA-S30

Tn

ee

ETC-277

PARTS

LIST

2410325001

FIXED

CARBON

FILM

RESISTOR

2410338001

10

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

2410342000

15k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

2410365003

130

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

2410765001

FIXED

CARBON

FILM

RESISTOR

2420203003

CAPACITORS

FIXED

CARBOM

COMPOSITION

RESISTOR

2554081081

0.1F

+5%

100V

FIXED

PLASTIC

FILM

CAPACITOR

2554082064

0.22uF

+5%

100V

FIXED

PLASTIC

FILM

CAPACITOR

2556096003

750pF

+5%

50V

FIXED

PLASTIC

FILM

CAPACITOR

2531053003

0.01

uF

+100,—0%

500V

FIXED

CERAMIC

CAPACITOR

OTHER

PARTS

2220421108

P.C.

BOARD

20501

12030

3P

CONNECTOR

BASE

USED

5

2050112056

5P

CONNECTOR

BASE

USED3

2050112043

4P

CONNECTOR

BASE

USED

1

2038060007

5P

CONNECTOR

2034089066

3P

CONNECTOR

2034114009

3P

CONNECTOR

2034114012

3P

CONNECTOR

4110146106

CONTROL

BRACKET

(8B)

2124110007

LEVER

SWITCH

FOR

LOUDNESS

2124110010

LEVER

SWITCH

FOR

OPER,

DIR,

COUP.

4700009006

CROSS

PAN

SCREW

WITH

S.

WASHER

3x6

USED8

2110163107

VR1620V25RW104K

POTENTIOMETER

100

k

ohm

x

2

FOR

BALANCE

2120117004

ROTARY

SWITCH

FOR

MODE

2120118003

ROTARY

SWITCH

FOR

TAPE

C

2090008117

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1

P=12.5mm

4770064107

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2

4730353036

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2

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UNIT

ETC-280

D6

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POWER

SOURCE

&

PROTECTOR

UNIT

TRE

TR7

TR5,8,9

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ETC-280)

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2SCTINGIZ(F)

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PUX-020L

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G3)

POWER

TRANSFORMER

PUX-O2ZOL

()

ETC-280

PARTS

LIST

SEMI

CONDUCTORS

TRI1

TRI

TR2

TR3

TR4

TR5,8,9

TR6

TR7

D1

D5,6,9,10,

11,12,17,18

D7,19

D13,17

D15,16

2730184016

or

2730184003

2710092018

or

2710092005

2730177010

or

2730177007

2710088019

or

2710088006

2730064068

or

2730064055

2730171016

or

2730171003

2710040004

or

2710040057

2760195004

2760191008

2760214008

2760220005

2760224001

2SC2089

(GR)

2SC2089

(BL)

2SA942

(GR)

2SA942

(BL)

2SC1026

(D)

2SC1026

(Y)

2SA816

(Y)

2SC711

(G)

2SC711

(F)

2SC1313

(G)

2SC1313

(F)

2SA673A

(B)

2SA673A

(C)

S5V

B20

WwO03C

RW06

H2Z-24

HZ-30

TRANSISTOR

DIODE

R23,24

2410306004

470

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R811

2410298002

220

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R7

2410322004

2.2

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R12

2410320006

1.8

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R3,4,14,16

2410338001

10

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R5,17,18

2410342000

15k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R6

2410350005

33

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R13

2410344008

18

k

ohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R9,10

2410768008

1.3

Mohm

+5%

1/4W

FIXED

CARBON

FILM

RESISTOR

R1,2

2410192001

2k

ohm

+5%

1/2W

FIXED

CARBON

FILM

RESISTOR

R22

2440041009

1k

ohm

+5%

1W

FIXED

METAL

OXIDE

FILM

RESISTOR

R19,20

2440033004

220

ohm

+5%

1W

FIXED

METAL

OXIDE

FILM

RESISTOR

R

15,21

2440095000

500

ohm

+5%

2wW

FIXED

METAL

OXIDE

FILM

RESISTOR

CAPACITORS

Ci5

2544004007

FIXED

ELECTROLYTIC

CAPACITOR

C14

2549005027

22uF

+20%

25V

FIXED

ELECTROLYTIC

CAPACITOR

C16

2544051005

220uF

50V

FIXED

ELECTROLYTIC

CAPACITOR

Ci

,12,17

2544059023

47

uF

63V

FIXED

ELECTROLYTIC

CAPACITOR

C13

2544060038

0.47uF

100V

FIXED

ELECTROLYTIC

CAPACITOR

Cg9,10

2544063006

80V

FIXED

ELECTROLYTIC

CAPACITOR

C1,2,3,4,5,6,7

2531053003

+100,—0%

500V

FIXED

CERAMIC

CAPACITOR

OTHER

PARTS

2220419000

P.C.

BOARD

2050112027

2P

CONNECTOR

BASE

20501

12030

3P

CONNECTOR

BASE

20501

12056

5P

CONNECTOR

BASE

EP-6071

BASE

USED

13

2140016020

RELAY

2140031005

RELAY

“14

mus

PMA-S30

POWER

AMPLIFIER

UNIT

PUX-020

(L)

(R)

(L)

POWER

AMP.

UNIT(L)

(

PUX-O20L)

tRy:25¢2254

(6)

TRI3:2SCI625

TRI7:2S0427-R(0)

j=

tf

mw

an

“WV

ar.

=

(s)

©

Gdtlo

o

iy)

on

=.

a)

8

Ov

(a)

B:=1.1

S

A:—1.779730.5

B-1.14y

-

o

A-1.78y

oe,

8

g

(@)

—

ro

o

ro]

(=)

[S)

(14)

tts

+

He

2SA979

(F)

TR7:

2SCld40

(L)

2SA628(F)

2SA8I5(Y)

2$8557(0)

(0)

(R)

POWER

AMP.

UNIT(R)

(PUX—O20R

)

TR2

TR22

TR6

TRIO

TRI4

TRI8

28C2259(G)

2SCTINFI/IG)

2SAQ9IS(L)

2SC7INF)

2SCK25(Y)

250427-R(0)

a

ee

es,

(ea

eee

63)

re

a

4)

in

>

2

©

o

ied

{

e

4

w

2

R38

’

0g

1S2076/A

F

zS

Bake

3

G0)

=

28

ee

aus,

3

R40

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—

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je.

=

zs

ey

=

21)

=

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ss

=|

8

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TRI

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|

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A

6)

Rl2

TRI6

TR2O

Oo

)

2S

A979

(F

)

TR8:2SCI940(L)

2SA628(F)

2SAB8I5

(Y)

2$

8557

(O}

—15—

SIE

a

I

SI

PS

Ee

PMA-830

PUX-020

(L)

(R)

TRI7

280427R

(0)

TRIS:

2$8557(0)

TR2I

2SC7INFG

Bi-!9mAal-475vi

—0

€

A|-052v

MAIN

IN

Rech

MAIN

IN

wa

eons

2

50

I

v/B

I

I5viA1.Bv|

49

5v

TR7

2SC1940

(L)

OF

eee

ora

0

-505viB-1

I4viA-!

7Bvi-49.

By

TRO

2SC7TII(F)

(L)

ETC-280

(@)

ETC-280

(7)

TRI3.

25C1625

(

¥)

C

8

B475viA

204viB

ft

ISviA

1B

v

TRIS.

2SA815

(Y)

B-475¥A

-204vB-!

|4viA-!

7Byv

ETC-280

(Ss)

etc-280

(6)

CAPACITOR

C3

a

CAPACITOR

C2

TRI?

SPEAKER

TERMINAL

ETC-280

(9)

TRIB:

280

427R

(0)

TR20.

2858557

(0}

TR22:

2SC7TII

(FG)

Phot

ee).

pe!

8

~—O042v

8/-19mv

|-475v|-O0.6y

Aj-!

78v{-O023v

)-1.77¥

Al-0.52v

|-20.4¥

j-

|.

22v

oo

MAIN

IN

Ucn

MAIN

IN

TR2.25C2259

(G

)

TRA:

2SA979

(F

)

E

Cl

C2

B2

——+—

TRE

2SA9!5(L

)

—E

|

c

=

50.ivj8

iiSviA

By

|

49.5¥

TRB:

2S5C1940(L)

(R)

E c

8

—505viB-!

4vjA-1

78)

-49.8¥

TRIO

2SC7II

(F)

ETC-280

8)

ETC-280

3)

TRI2:>

2SA628

(F)

TRIG:

25C1625(7)

(e

a

Bo

B475v

1A

20.4v/B

L.i5viA.

1

By

TRIG.

25AB15(Y)

re

£

B-114v

|A-1

78¥

B-475viA-204¥

ETC-280

@1)

ETC-280

(30)

)

ih)

C/sPACITOR

c4

CN

Ss

CAPACITOR

CS

TRIB

TR20

2s

ETC-280

@?)

SPEAKER

TERMINAL

=4G—

ee

PM

A-S

30

ss

PUX-020

PARTS

LIST

Part

Name

&

Descriptions

SEM!

CONDUCTORS

TR1,2

2730191009

2SC2259

(G)

TRANSISTOR

TR3,4

2710098012

2SA979

(F)

TRANSISTOR

TR1,6

2710093004

2SA915

(L)

TRANSISTOR

TR7,8

2730186001

2SC1940

(L)

TRANSISTOR

TR9,10

2730064055

2SC711

(F)

TRANSISTOR

TR11,12

2710033022

2SA628

(F)

TRANSISTOR

TR13,14

2730159012

2SC1625

(Y)

TRANSISTOR

TR15,16

2710068000

2SA815

(Y)

TRANSISTOR

TR21,22

2730064055

or

2SC711

(F)

TRANSISTOR

TR21,22

2730064068

2SC711

(G)

TRANSISTOR

D1,2,3,4

2760171028

HV-23G

(YL)

DIODE

D5,6,7,8

276004901

1

1S2076A

DIODE

D9,10,11,12

2760217005

STV-2H

DIODE

D13,14,15,16

2760214008

RW06

DIODE

17,18,19,20

|

D21,22,23,24

2760049011

1S2076A

DIODE

D25,26

2760214008

RWO06

DIODE

R55,56

R29,30,31,32

R61,62

R1,2,59,60

R25,

26,27,28

R63,64

R37,38,39,40

R5,6,7,8

R71,72,73,74

R33,34,35,36

R57,58

R13,14,15,16

R9,10,11,12

R3,4

R17,18,19

R21,22,23,24

R45,46,47,48

R41,42,43,44

R53,54

R49,50,51,52

C3,4

C1,2

C9,10,11,12

C13,14,15,16

C17,18,19,20

C33,34,35,36

C21,22,23,24

C37,38

C29.30,31,32

C25,26,27,28

2410266005

2410282005

2410304006

2410306004

2410310003

2410314009

2410319004

2410322004

2410331008

2410334005

2410338001

2410340002

2410350000

2410355000

2410356009

2410340002

2440013008

2440029005

2432020009

2430023008

10

ohm

47

ohm

390

ohm

470

ohm

680

ohm

1k

ohm

1.6

k

ohm

+5%

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1/4W

FIXED

CARBON

FILM

RESISTOR

1W

FIXED

METAL

OXIDE

FILM

RESISTOR

1W

FIXED

METAL

OXIDE

FILM

RESISTOR

FIXED

WIRE

WOUND

RESISTOR

FIXED

WIRE

WOUND

RESISTOR

2533596005

+0.25pF

50V

FIXED

CERAMIC

CAPACITOR

2533611003

22pF

+5%

50V

FIXED

CERAMIC

CAPACITOR

2534269001

10pF

+0.5pF

500V

FIXED

CERAMIC

CAPACITOR

2534327008

150pF

+10%

500V

FIXED

CERAMIC

CAPACITOR

2531005006

0.001

5uF

+10%

50V

FIXED

CERAMIC

CAPACITOR

2531024003

0.01

uF

+80,—20%

50V

FIXED

CERAMIC

CAPACITOR

2531053003

0.01

uF

+100,—0%

500V

FIXED

CERAMIC

CAPACITOR

2551084007

0.1uF

+10%

50V

FIXED

PLASTIC

FILM

CAPACITOR

2544010004

100uF

10V

FIXED

ELECTROLYTIC

CAPACITOR

2344015009

10uF 16V

FIXED

ELECTROLYTIC

CAPACITOR

2544044009

1uF

50V

FIXED

ELECTROLYTIC

CAPACITOR

2544059036

4.7

uF

63V

FIXED

ELECTROLYTIC

CAPACITOR

2220420002

P.C.

BOARD

2220420015

P.C.

BOARD

2050087026

2P

TERMINAL

USED

2

20501

12030

3P

CONNECTOR

BASE

USED

2

2116003025

V100B221

VARIABLE

RESISTOR

220

ohm

2116003009

V100B101

VARIABLE

RESISTOR

100

ohm

2116003041

V100B471

VARIABLE

RESISTOR

470

ohm

4140116105

SHIELD

COVER

2090008117

JUMPER

SHORT

LEAD

P=12.5mm

USED

6

ee,

iy

ae

WIRING

DIAGRAM

ETC-280

ewes

CONTROL

(A)

UNIT

POWER

AMP_UNIT(L)

6

©

:

en

:

(

ETC-259B-2)

TR9,I0:2SA872(E)

=

TRU,

12:2SCI775(E)

TRI3,14:25C1735(0)

(

PUX-O20L)

rtpy:25¢2250

16)

f

Srnaase7u

TRS:2SAQIS(L)

TRA:2SC7N

TRIZ:2SCIG25

TRI7:2S0427-R(0)

T78N

nar

a7,

TRISI6:2SA850(0)

ssaay

—_—1FMG)____

iF)

{v)

TRI,2,5,6:

one

5.

2SC1844(F)

(7)

1.

|

tae

1

cane

ETC-259B-|

J

S

47k

150

Fa

(in

INPUT

TERMINAL_UNIT

r

:

CK

|e!

8

.

1IS2076A

(

ETC-

143)

e

ca

"oO

os

PRE

MAIN

OUT

IN

e

on

SS

a

eee

a

!

(O)

L

(Cc

ae

,

|

PHONO

|

R5qQ

470

1

8-47.5v

i

Le

An)

i

:

PHONO

2

(8)

0.015

L

Cae

©

ETC—254B-

|

TR7:

2SCIQ40(L)

2SA628(F)

.

RO

(2)

lee

;

x

R22

R24

R26

R28

Sa

no

a

POWER

AMP.

UNIT(R)

:

ae

L

C3

°

e

|

ae

\

(

PUX—O20R

)

}

TUNER

iG

:

LeQ@—@

4]

6)

¢

0-22

i.

O O

a

eae

Cae

Lal

a

dim

<>

—-

|

C)

©)

!

Le

O)

(‘5)

eho

CONTROL

(B)

UNIT

CONTROL

(A)

UNIT

ES

(ETC-

277)

(ETC-259B-3)

°

PB

.

R!

10k

Meno

-

()

(a9

!

‘

A

n>

|

are

a

Ll

:

LG

:

rer

tt

SB

7

'

46

Pee

eet

ee

ay

-

si

:

i

!

3

2SAQ70(F

)

TRB:2SCIQ40(L)

—

2SAG28(F)

2SABIS(Y)

258557

(0)

'o

Sy

5

aie

A

Pte

eae

!

fs

i

:

!

=

|

©

\

etait

|

POWER

SOURCE

&

PROTECTOR

UNIT

j

,

1

TR3

TRI

*

A+B

SW5

:

MODE

SWITCH

TRE

TR7

TR5,8,9

(

ETC-280)

|

VR4:

BALANCE

|

psaqy

2IClS26I0MIY)

2SC2080(GRI/(BL)

2SCISIZIGI/(F)

2SAG73A(BIZ(C)

2SC7INGIZIF)

80)

;

e

SW7:

LOUDNESS

SWITCH

ee

O

R2

470k

ee

es

I

TR2

25042

(GRI/(BL)

—36.3¥

7

Py

Pe

ere

TRID,20:2SA726(F)

TR25,26:2SA942(

BL)

2k

TR23

24°

R2t

560

2W

C8

0.15

016

1S2076

014

182076

O-

2

°

y"

a

:

2|

2/19

Cc

wn

“es

Oke

o

!

AC

220v

|

Q

r

SO

Hz

¢

@o

u

nw

'

(3)

t

cior

0.01

450v

78

R82

CAO

100k

C72.

«C74

R

CFQ38

10/50

i

5

ay,

+

page

pra

4

o

+

(3)

oo

TIOl

Sswi3

c6éa

C70

“7

Go

POWER

TRANS

POWER

SWITCH

H

:

=

o

40/50

10/50

|

C96

0.22

(ETC-259B-1)

CONTROL

(A)

UNIT

NOTES

ALL

RESISTANCE

VALUES

IN

OHM

K

=

1,000

OHM

M

=

1,000,000

OHM

ALL

CAPACITANCE

VALUES

IN

MICRO

FARAD

P

=

MICRO-MICRO

FARAD

CIRCUIT

AND

PARTS

ARE

SUBJECT

TO

CHANGE

WITHOUT

PRIOR

NOTICE.

~18—

PMA-830

ll

A-SPEAKERS

AODDD

OOO

8-SPEAKERS

Denon PMA-830 User manual

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