Kenwood Ka-7090r User manual

STEREO

INTEGRATED

AMPLIFIER

KA-7090R

KENWOOD

SERVICE

MANUAL

©

1996-7/B51-5209-00

(K/K)

1949

Knob

(K29-3759-14)

Knob

(K29-6391-04)

Knob

(K29-6390-04)

KENWOOD

INPUT

SELECTOR

VOLUME

CONTROL

en

REMOTE

POWER

|

:

‘ORS

aNTBY

MAIN

POWER

——

ON

OFF

SPEAKERS

A

B

SOURCE

DiRECT

LOUDNESS

REC

OUT

SPEAKERS

oF

ke

®

RHONES:

rey

SOURCE

GREC]

—

LOUCNESS

REC

OUT

ATT

-3008

=MM

MC

a

®

STEREO

INTEGRATED

AMPLIFIER

KA-7090R|

Knob

Dressing

plate

Knob

(K27-2176-04)

(BO3-2972-13)

(K29-3759-14)

Phono

jack

Miniature

phone

jack

Slide

switch

(E63-0099-05)

(E11-0293-05)

(S62-0034-05)

Screw

terminal

board

(E70-0063-05)

Power

cord

bushing

(J42-0083-05)

}

LIE

X58:

SL16

xse

SIGNAL

GND

'

@QO©O@O©@E@©

oe

Ss

12h

oes

pee

UNSW

TCHED.

Phono

jack

Phono

jack

(E63-0098-05) (E63-0099-05)

AC

outlet

*

AC

power

cord

*

Phono

jack

(E03-)

(E30-)

(E63-0102-05)

*

Refer

to

parts

list

on

page

26.

KA-7090R

CONTENTS

/

ACCESSORIES

Contents

CONTENTS

/

ACCESSORIES

......e.ecccecceeeeeeeeees

2

SCHEMATIC

DIAGRAM

DISASSEMBLY

FOR

REPAIR..........cccccsseseseseseseseseeees

3.

EXPLODED

VIEW

cesseccceccccscesssccessessotessecstvncccnnnatscvevs

CIRCUIT

DESCRIPTION

Sic

iinet

anni:

Ar.

JPARTSIISE

cucu

ateninmauinidenimwnaecueonataed

ADJUSTMENT

stcigesieicheadyuetaletdeesl

eatecs puestd wteaka

11

SPECIFICATIONS

se3x

iss

Gatien

anennineawoate

PC

BOARD

s

cictrctecinitertutesnsccnicuastitiassincsithootevvaitantis

13

Accessories

Remote

control

unit

(A70-1079-05)

Battery

cover

(A09-01

70-08)

|

KA-7090R

)

DISASSEMBLY

FOR

REPAIR

HOW

TO

REPLACE

POWER

TRANSISTOR

1.

Remove

5

screws

(@)fixing

audio

pcb

(X09).

2.

Remove

left

side

screws

(@).

3.

Remove

panel

top

screws

(@),

panel

bottom

screws(@)

and

fram

screw(@).

4.

Remove

bottom

screws(Q),

rear

screws(@)

and

bottom

plate.

5.

Lift

unit

to

arrow

direction(®).

(Power

transformer

is

bottom

side)

6.

Replace

power

transistors.

KA-7090R

CIRCUIT

DESCRIPTION

1.

FUNCTION

(1)

FEATURE

_

AUDIO

INPUT

_

“REC

OUT

*

K’s

is

Japanese

market

only.

COMPO(KA-7090R)

TAPE,

MD,

CD,

AUX,

TUNER,

PHONO

|

TAPE-MD,

MD-TAPE

_

CD,

AUX,

TUNER,

PHONO

DIRECT

LOUDNESS

__

MD/MONITOR

~

REMOCON

SYSTEM

CONTROL

SOURCE

DIRECT

MOTOR

VOLUME

f

if

©

(8/16)

|

HEADPHONE

SPEAKER

|

BACK

UP

2.

MODEL

CONDITION

eee

A

/B/A+B/

OFF

an

s_)

“SOURCE

DIRECT

__CD

DIRECT.

A

/B/AsB/

OFF

PORT2

(SERIAL

/

MODEL)

H

COMPO

(KA-7090R)

_

SERIAL

8

bit

K's

KAF-7002

L

SERIAL

16

bit

KAF-5002

3.

INITIALIZING

FUNCTION

3-1.

Initializing

Operation

-

Insert

the

AC

power

(set

the

POWER

key

to

ON)

for

initialization

while

pressing

the

ON/STAND_BY

key

even

if

the

system

is

in

the

backup

state.

-

After

the

microcomputer

is

reset,

set

the

port,

modes,

and

register,

then

check

each

key.

*

If

the

ON/STAND_BY

key

is

pressed,

perform

the

RAM

ALL

CLEAR

operation

for

initialization.

*

If

the

ON/STAND_BY

key

is

not

pressed,

check

whether

the

system

is

in

the

backup

state.

*

Pull

out

the

AC

power

(set

the

POWER

key

to

OFF)

to

destroy

the

backup

data

while

pressing

the

ON/STAND_BY

key.

3-2.

INITIAL

STAGE

FUNCTION

|

COMPO

(KA-7090R)

_

ON/STAND-BY

MODEL

KAF-7002

SYSTEM

OFF

SYSTEM

OFF

__

INPUT

SELECTOR

REC

OUT

TUNER

_KAF-5002_

SYSTEM

OFF

i

INE

REC

MODE

OFF

(OFF)

LOUDNESS

DIRECT

SOURCE.

DIR

MD/MONITOR

OFF

eile

th

DIRECT

OFF

DIRECTOFF

MUTING

.

BACK

UP

DATA

WHEN

STAND-BY

DESIGNATION

_

INPUT

SELECTOR

|

COMPO

(KA-7090R)

_

SELECTOR

CONDITION

OFF

_

OFF.

OFF

MODEL

OFF

KAF-7002

SELECTOR

CONDITION

|

KAF-5002

SELECTOR

CONDITION

‘REC

OUT

POS

LOUDNESS)

DIRECT

SOURCE.

DIR

___

MD/MONITOR

MUTING

ON/OFF

CONDITION

ON/OFF

CONDITION

—

DIRECT

CONDITION

|.

_

ON/OFF

CONDITION

DIRECT

CONDITION

S.

DIR

CONDITION

_

~

MUTE

CONDITION

_

ON/OFF

CONDITION

MUTE

CONDITION

ON/OFF

CONDITION

MUTE

CONDITION

KA-7090R

CIRCUIT

DESCRIPTION

5.

TEST

MODE

5-1.

Test

Mode

using

Main

Unit’

s

Keys

(1)

Setting

the

test

mode

Turn

on the

power

while

pressing

the

“LOUDNESS”

key.

(2)

Canceling

the

test

mode

-

To

initialize

the

system

and

cancel

the

test

mode,

turn

off

the

power.

(3)

Contents

of

test

mode

+

The

muting

during

mode

selection

is

not

controlled

in

the

test

mode.

However,

the

operation

when

the

power

is

turned

on

is

the

same

as

for

the

normal

operation.

+

The

speaker

protection

operation

is

also

the

same

as

for

the

normal

operation.

(4)

Automatic

POWER

ON

+

The

POWER

ON

state

is

entered

for

model

discrimina-

tion

whenever

the

power

is

turned

on

while

pressing

the

“LOUDNESS”

key.

All

the

functions

are

then

initialized

and

activated

in

the

all-lighting

mode.

In

the

all-lighting

mode,

the

selector

display

LED

lights

sequentially.

For

KAF-7002/5002,

the

SOURCE

DIRECT

and

CD

DIRECT

display

LEDs

light

alternately.

For

KA-

7090R,

the

SOURCE

DIRECT

display

LED

lights.

The

SP

A

and

B

display

LEDs

do

not

light.

All

other

LEDs

light.

-

The

all-lignhting

mode

is

canceled

when

any

of

the

main

unit’

s

keys

is

pressed.

The

normal

display

obtained

when

the

selector

is

set

to

TUNER

then

appears.

(5)

Special

operation

“LOUDNESS”

key

(a)

When

this

key

is

pressed,

the

LOUDNESS

display

LED

lights

and

the

electric

volume

turns

up

for

16

sec-

onds.

After

16

seconds,

the

electric

volume

stops

and

the

display

LED

goes

off.

(b)

When

this

key

is

pressed

during

operation

or

after

operation

in

step

(a),

the

LOUDNESS

display

LED

lights

and

the

electric

volume

turns

down

for

16

seconds.

After

16

seconds,

the

electric

volume

stops

and

the

display

LED

goes

off.

(c)

When

this

key

is

pressed

during

operation

in

step

(b),

the

LOUDNESS

display

LED

goes

off

and

the

electric

volume

stops.

(d)

The

operation

in

step

(a)

is

carried

out

when

this

key

is

pressed

after

operation

in

step

(c).

After

that,

the

oper-

ation

in

steps

(a)

to

(c)

is

repeated

every

time

this

key

is

pressed.

The

operation

is

not

canceled

even

if

another

key

is

pressed

while

the

electric

volume

turns

up

and

down.

»

“SPEAKER

A+B”

When

the

switch

is

set

to

this

position,

the

SPEAKER

A

+

B

LED

(for

only

the

KA-7090R)

lights

and

the

audio

mut-

ing

is

turned

on.

When

the

switch

is

set

to

another

posi-

tion,

the

LED

goes

off

and

the

audio

muting

is

turned

off.

“MD

MONITOR”

key

(for

only

KAF-7002/5002)

When

this

key

is

pressed,

the

MUTE

display

LED

lights

and

the

audio

muting

is

turned

on.

When

this

key

is

pressed

again,

the

audio

muting

is

turned

off

and

the

dis-

play

LED

goes

off.

-

“ATT.

-30dB”

key

(for

only

KA-7090R)

When

this

key

is

pressed,

the

ATT.

LED

lights

and

the

ATT.

-30dB

is

turned

on

during

normal

operation.

The

REC

muting

is

turned

on

while

the

REC

OUT

mode

is

set

to

ON.

When

this

key

is

pressed

again,

the

ATT.

or

REC

muting

is

canceled

and

the

ATT.

LED

goes

off.

“REC

OUT”

key

(for

only

KA-7090R)

When

this

key

is

pressed,

the

REC

OUT

LED

lights

and

the

REC

OUT

mode

is

set

to

ON.

The

operation

is

not

canceled

until

this

key

is

pressed

again.

The

REC

mut-

ing

is

canceled

if

it

is

on

when

the

operation

is

canceled.

“8/16-bit

selector

switch”

(for

only

KA-7090R)

The

system

enters

the

all-lighting

mode

if

this

switch

is

set

to

the

8-bit

position

when

the

ATT.

key

is

on

after

the

all-lighting

mode

is

canceled.

The

serial

POWER

ON

code

is

output

at

that

time

(code

“25H”

is

output

when

the

test

mode

is

activated

in

the

8-bit

position,

and

code

“0800”

is

output

when

it

is

activated

in

the

16-bit

posi-

tion).

The

all-lighting

mode

is

canceled

when

this

switch

is

set

to

the

16-bit

position

again

or

when

the

ATT.

key

is

pressed.

The

normal

display

then

appears.

5-2.

Serial

Test

Mode

(1)

Setting

the

test

mode

.

The

serial

test

mode

is

entered

if

a

serial

“71H”

code

is

received

only

when

the

KA-7090R

is

in

the

8-bit

mode.

After

that,

only

the

16-bit

mode

is

accepted.

In

other

cases,

the

serial

test

mode

is

entered

when

a

serial

“C27FH”

code

is

received.

(2)

Canceling

the

test

mode

The

serial

test

mode

is

canceled

when

a

“C27FH”

code

is

received.

In

this

case,

the

system

is

not

initial-

ized.

The

serial

code

also

remains

set

to

the

16-bit

posi-

tion.

-

When

the

AC

power

(main

power)

is

turned

off,

the

serial

test

mode

is

canceled

and

the

system

is

initialized.

(3)

Contents

of

test

mode

.

The

serial

code

for

a

test

shown

in

the

attached

list

is

analyzed

for

processing.

In

the

test

mode,

no

mute

signal

is

output

to

shorten

the

input/output

selection

time

during

measurement.

Howev-

er,

the

operation

when

the

power

is

turned

on

is

the

same

as

for

the

normal

operation.

The

speaker

protection

operation

is

also

the

same

as

for

the

normal

operation.-

The

code

input

in

the

test

mode

by

serial

communication

is

validated

irrespective

of

the

dis-

play

mode.

KA-7090R

CIRCUIT

DESCRIPTION

-

The

all-lighting

mode

is

canceled

using

an

all-lighting

cancel

code.

After

cancellation,

the

normal

display

appears.

-

In

the

all-lighting

mode,

the

selector

display

LED

lights

sequentially.

For

KAF-7002/5002,

the

SOURCE

DIRECT

and

CD

DIRECT

display

LEDs

light

alternately.

For

KA-

7090R,

the

SOURCE

DIRECT

LED

lights.

The

SPEAK-

ER

LED

does

not

light.

All

other

LEDs

light.

-

The

REC

OUT

selector

is

operated

by

inputting

the

code

of

the

selector

after

a

REC

MODE

ON

code

is

input

(for

only

KA-7090R).

+

The

main

unit’

s

keys

can

be

pressed

even

in

the

serial

test

mode.

However,

the

operation

is

not

guaranteed

in

this

case.

+

The

operation

when

the

code

having

a

function

not

con-

tained

in

the

corresponding

model

is

input

is

not

guaran-

teed.

+

The

REC

muting

is

canceled

by

MUTE

ALL

OFF.

KA-7090R

CIRCUIT

DESCRIPTION

6.

Microprocessor

periphery

block

diagram

(K's

KAF-7002,5002)

(KA-7090R)

POWER

ON

x

1

AUDIO

MUTE

x

1

HEAD

PHONE

x

1

—

SERIAL

x2

DATA,

BUSY

r-

MOTORVOL

x2

UP/DOWN

L

AD

x3

KEY

INPUT

SP

SW

INPUT

(ROTARY

SW)

INPUT INPUT

(ROTARY

SW)

SELECTORIC

x3

(K's)

DATA,

CLOCK,

BUSY

TC9162

(FUNCTION

SW)

TC9164

(REC

OUT

SW)

SELECTOR

IC

x

5

(KA-7090R)

-

DATA,

CLOCK

-

BUSY

(TC916X)

-

CLR,

STB(NJU3711)

TC9162

(FUNCTION

SW)

TC9164

(REC

OUT

SW)

NJU3711(INPUT

SEL

SW)

LED

DISPLAY

x13

SELECTOR

LED

/RELAY

CONTROL

x6

REC

OUT

LED

x

1

A.T.T.

LED

x1

ON/STANDBY

LED

x

1

LOUDNESS

LED

x

1

S.

DIRECT

LED

x

1

SP

RELAY

x

2

(KA-7090R)

LED

DISPLAY

x

14

SELECTOR

LED

x

6

MD/MONITOR

LED

x

1

MUTE

LED

x

1

ON/STANDBY

LED

x

1

LOUDNESS

LED

x

1

DIRECT

LED

x

2

SP

RELAY

x

2

(K's)

(K's

KAF-7002,5002)

DIRECT

ENCODER

x2

REMOCON

x1

PROTECTION

x1

RESET

x1

CE

x1

=

ee)

sl

dS

<I

feat

=

cS

i]

)

Oi

D

“a

DESTINATION

x2

COMPO/K's

DISCRIMINATION

8/16

bit

CHANGE

OVER(KA-7090R)

DESTINATION

x2

COMPOKK's

DISCRIMINATION

KAF-7002/5002

DISCRIMINATION

(K's)

KA-7090R

CIRCUIT

DESCRIPTION

6-1.

Microprocessor

connection

‘awn

AWS

ye

S19}9}

“ALUI}

BES

Je

S18}}9|

DOA

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go

LaSay

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(g)4SGOONS

HIG

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HIG

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ads

vds

yId

‘GO

Bunyby

wo

wqiyul

yiq

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dv

lyodaa

[|_|

OA

SSA

ON

_

LNOX

LNOx

go

—_

NIX

1asay

>

4auA

4ayA

NOILOALOWd

=——>

@,

NOOOWSH

=

——>

QM

ON

—P

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ON

—_

©

9)

it)

|

(LIZenrnyaLs

|

Ss

dN

10A

HOLOW

dN

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HOLOW

yid

‘3OuNOS

as

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10A

HOLLOW

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Viva

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viva

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SLAW

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08:

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934

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(LLZENPN)Y1O

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wOCOLYS

Sid

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KA-7090R

)

CIRCUIT

DESCRIPTION

)

16bit

serial

test

code

(C2XXH)

TYPE

FUNC

0

1

2

E

F

:Sendingcode

|}:

6-2.

connection

NAME

KA-7090R

CIRCUIT

DESCRIPTION

DESTINATION

14

COMPOKK's

DISCRIMINATION

PORT

POWER

ON

POWER

RELAY

CONTROL

TERMINAL

COMPO

CLR

xIyjrc\|r

CONTROL

IC(NJU3711)CLR

SIGNAL

OUTPUT

TERMINAL(KA-7090R)

NOT

USED

Ti

rly

K's

MD

MONITOR

“REC OUT"

LED

CONTROL

TERMINAL

(KA7090R)

"MD

MONITOR"

LED

CONTROL

TERMINAL

MUTING-30

COMPO

“AeTeT"

LED

RELAY

CONTROL

TERMINAL

(KA-7090R)

K's

"A

MUTE”

LED

TERMINAL

AUDIO

MUTE

"MUTING"

SIGNAL

OUTPUT

TERMINAL

HEAD

PHONES

ps ee

Oe

HEAD

PHONES

CONTROL

TERMINAL

CTlrcjir

S

DATA

SERIAL

DATA

S

BUSY

SERIAL

BUSY

V

DOWN

VOLUME

DOWN

SIGNAL

OUTPUT

TERMINAL

Vv

UP

VOLUME

UP

SIGNAL

OUTPUT

TERMINAL

KEY

(TACT)

|

KEY

INPUT

TERMINAL

5

KEYS

(KA-7090R)

KEY

INPUT

TERMINAL

5

KEYS

(K's)

SPEAKER

SEL

"

SPEAKER

SELECTOR

“

INPUT

TERMINAL

SEL

IC

DATA

SELECTOR

IC

DATA

SEL

IC

CLOCK

SELECTOR

IC

CLOCK

SEL

IC

ST

SELECTOR

IC

STROBE

INPUT

SEL

V

REF

INPUT

SELECTOR

SW

INPUT/CONTROL

TERMINAL

A/D

REFERENCE

VOLTAGE

X

IN

OSCILLATOR

(8MHz)

X

OUT

OSCILLATOR

(8MHz)

VSS

GND

VCC

+5V

NOT

USED

MICROPROCESSOR

CHIP

ENABLE

:

ENABLE

RESET

SIGNAL

INPUT

TERMINAL

PROTECTION

DETECTION

REMOCON

IN

REMOTE

CONTROL

INPUT

TERMINAL

SOURCE.DIR

B

;

COMPO

—

NOT

USED

K's

ROTARY

ENCODER

B

SIGNAL

INPUT

TERMINAL

SOURCE.DIR

A

COMPO

—

NOT

USED

K's

ROTARY

ENCODER

A

SIGNAL

INPUT

TERMINAL

SP

B

SPEAKER

RELAY

B

CONTROL

TERMINAL

SPEAKER

RELAY

A

CONTROL

TERMINAL

lou

Renke)

COMPO(NJU3711)CONTROL

ST

SIGNAL

OUTPUT

TERMINAL

(KA-7090R)

K's

"CD.DIR"LED

CONTROL

TERMINAL

Tr

|

T|

er

SOURCE

DIR

"“SOURCE.DIR"LED

CONTROL

TERMINAL

LOUDNESS

"LOUDNESS"

LED

CONTROL

TERMINAL

ON/STANDBY

“ON/STANDBY"

LED

CONTROL

TERMINAL

INPUT

TAPE

"TAPE"

LED/RELAY

CONTROL

TERMINAL

MD

"MD"

LED/RELAY

CONTROL

TERMINAL

cD

"CD"

LED/RELAY

CONTROL

TERMINAL

AUX

"AUX"

LED/RELAY

CONTROL

TERMINAL

TUNER

"TUNER"

LED/RELAY

CONTROL

TERMINAL

PHONO

0;0/0/0)/0}/0;0;

0/0

"PHONO"

LED/RELAY

CONTROL

TERMINAL

COMPO

8/16

K's

DESTINATION2

SERIAL

8/16

BIT

DISCRIMINATION

TERMINAL

(KA-7090R)

:

KAF-7002

MODEL

DISCRIMINATION

TERMINAL

:

KAF-5002

rc

KA-7090R

)

ADJUSTMENT

)

No

ITEM

INPUT

OUTPUT

AMPLIFIER

ALIGNMENT

:

SETTINGS

SETTINGS SETTINGS

POINTS

Unless

otherwise

specified,

the

individual

switches

should

be

set

as

following:

POWER

:

ON

SPEAKER

:

B

REC

OUT

:

OFF

Connect

a

DC

voltmeter

between

VR1,3

(L)

CN

5

(L)

VOLUME

:

0

VR2,4

(R)

CN

6(R).

(X09)

(A/3)

(X09)

(A/3)

ALIGN

FOR

IDLE

CURRENT

(a)

DC

VOLTMETER

"|

)

y___J

gj

U

UU0000

_)

}

CONNECTOR

NO.

(L)ch

IDLE

|

(R)ch

IDLE

1,2

Q121,123

|

Q122,124

CNS

or

CN6

3,4

Q125,127

|

Q126,128

43

21

11

KA-7090R

PARTS

DESCRIPTIONS

CAPACITORS

CC

45

TH

1H

220

J

GéAe

«COON

+

Capacitor

value

1

2

3

4

5

6

010

=

1pF

2

Q-=22pF

1

=

Type

...

ceramic,

electrolytic,

etc.

4

=

Voltage

rating

100

=

10pF

Ts

Multiplier

2

=

Shape

...

round,

square,

ect.

5

=

Value

101

=

100pF

|

Saelnuribar

3

=

Temp.

coefficient

6

=

Tolerance

102

=

1000pF

=

0.001pyF

ser

eicaiek

103

=

0.01pF

*

Temperature

coefficient

fswas

Ce

a

sr)

feowesl

ee

ae

Color

|

Bock

|

Red

[Oranae|Yeiow|

Green|

Bue

[Voit]

Loomre

[aso

|

260

[sie

[2256

[2500]

*

Tolerance

(More

than

10pF)

feos

C

[OTe]

s[ KI

¢

Voltage

rating

|

pemec

|

o

|

-80

|

-150

|

-220

|

-330

|

-470

|

-750

|

Example

:

CC45TH

=

-470

+

60ppm/°C

(Less

than

10pF)

[|

M_|

x

|

z

|

P

|

oS)

oe

ae

+20

|

+40

|

+80

[+100]

More

than

10uF

-

10

~

+50

~20

|

-20

|

-O

|Lessthan

4.7uF-10

~

+75

ae

ee

ae

TE

*

Chip

capacitors

(EX)

CC73

F

SLIH

O00

ES

Ce E7

i).

Babee

1

2

3

4

5 6

(Chip)

(CH,

RH,

UJ,

SL)

(EX)

CK73

F

1H

000

ba

Ey

oa

Ea

1

2

3

4

5

6

(Chip)

(B,

F)

RESISTORS

*

Chip

resistor

(Carbon)

(EX)

RK73

E

B

28000

CO)

oa

ES)

Ce

Ea

ES

1

2

3

4

5

6

(Chip)

(8,

F)

«

Carbon

resistor

(Normal

type)

(EX)

RDB14

B

2C000

(2)

(GaGa

GaGa

Ga

1

2

3

4

5

6

1

=

Type

2

=

Shape

3

=

Dimension

4

=

Temp.

coefficient

12

1.25]

16

[20[25

[315]

40]50]/63]

80]

- |

25]

16

|

20

|

25

[ars]

40

|

50

|

63

|

80

|

35

5000

|

6300

|

8000

oO

Dimension

(Chip

capacitors)

J

Dimension

code

L

w

Refer

to

the

table

above.

Empty

562405150105

t

1

=

Type

A

45+05

|3.2+0.4

om

Shave

8

[45205

[202

05

|

Less

than

20

3

=

Dimension

E

4.54

0.5

|1.25+

0.2

Z

4

=

Temp.

coefficient

D

3.24

0.4

|

25403

3

5

=

Voltage

rating

6

=

Value

F

2.0+

0.3

|1.25+

0.2

|

Less

than 1.25

7

=

Tolerance

|

1.6+

0.2

Dimension

J

iA

TT

2

a

7

-—H

WwW

Dimension

(Chip

resistor)

J

Dimension

code

L

Ww

Cl

E

32402116402

‘

F

2.0403

[125402

5

=

Rating

wattage

G

|

1.6+0.2

|

0.8+0.2

0.5+0.1

6

=

Value

7

=

Tolerance

Rating

wattage

Code

|Wattage

Code

|

Wattage

|

Code

Wattage

tate

2c

|

1/6W

wow

|

2E

|

1/4w

1/2W

TAPE

MOD

AUX

IN

SPEAKERS

PHONO

IN

co

IN

TUNER

IN

REC

OUT

REC

OUT

PLAY

IN

RIG

€&)«

2

@=

"2av

wil6

GNO_

Wit

Guo

Win?

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=

/

UP,

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aldigthh

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images

tint!

=

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xx

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1

5

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R72.

4

1

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4

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6:

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+

|

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+

@-

|

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1

Ok

ost

‘o,

we

GC)

VOLUME

Yes

oO

:

CONTROL

om

2

Od

Dg

°

@

cy

BS

Ble

FI8

2.

BEB

Me

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Fe

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3S

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f

co

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ao

feo

.

a

wi

a

NOL

wy

Dersa

+

SYSTEM

w

CONTROL

S

o O

nf

a

=

ON

i

relies:

ok

1

bole

:

vende

qe

ee

‘sI

‘D|

@

fo

oo

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eis

bg

aD

oo

eo

,

22

a

|

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4

Mt

»

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ecl

as

aN

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»

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ep

e|

a]

o

SLB

t

a

apo

on

e

olola

rE

a

ead

i

:

wepaed

Fy

J

Refer

to

the

schematic

diagram

for

the

value

of

resistors

and

capacitors.

13

14

|

PC

BOARD(COMPONENT

SIDE

VIEW)

AC

OUTLET

RGB

FE

4eiWHed

Loi0S+:

/

“ORI

T0

; ;

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os

i

oe

|

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te

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:

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"

: : :

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:

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to

:

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:

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PHONES

SPEAKERS

15 16

Refer

to

the

schematic

diagram

for

the

value

of

resistors

and

capacitors.

(X09-4472-70)

(A/3)

rae

a

of

&

c9

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1

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1

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103,104,113

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Q69,70

Q89~92

Q93,94

Q121,122,125,126

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D21~24

D25,26

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was

:

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-

2802061(E,F)

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2SA1048(Y,GR)

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2SA1124(R,S)

2SC2632(R,S)

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TRAITRON

:

TRAITR2P

1S$131

or

HSS104A

RD18ES(B)

or

HZS18N(B)

RD15JS(B)

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|

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8bit

|

-E13

[os

am

2/2

X11-A/10

-E4

2/2

X11-B/10

CN10

2/2

KA-7090R(E)

(1/2)

Y08-5492-70

CURRENT

Q121~128

MIRROR

|

woos

A\

mise

R247

22

1/2W

!

C159

100P

ees

mele}

C143

R205

AWN

1V/4W

1

100u50

680

R211

6.8K

1/4W

if

C153

0.047

C149

1u50

—#t

IDLE

ADJ

Q101~104

OVER

CURRENT

DETECTOR

C167

100u63

ff

C168

00u63

1s)

|

220

Conia

|

Q94

R212

6.8K

1/4W

AW

df

C150

1u50

4

C154

0.047,

*

|

me

aa

C1

39P

Ds2

0.01

RELAY

DRIVER

(SPEAKERS)

R278 R277

4.7K

Reh

IDLE

TP

X11-E/10

l

“E12

CN4

2/2

rane

|

a0

|}

$e)

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OUT

°

|

K7

Lt

¢]

&

|

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|

IC4

NJM4565D-D

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NJU3711D

an

|

1C3

:

TC9162N

Xo

5

1C4

:

TC9164N

aa

4

1C5

TA8409S

ai~4

:

2SK371(BL,V)

a

Q11~14,61,62

28C2878(B)

A)

+

~_

Q21,27,114~116

:

2SC2003(L,K)

8s

lh

renal

Q22,28

+

2SA954(L,K)

oF

4,

Q29

:

28D2061(E,F)

or

2802012

Z)|-

—-4

Q30

:

28B1370(E,F)

or

28B1375

Q31

,67,68,103,104,113

°

SPEAKERS

A

:

2SA992(F,E)

Fol

Q32,47,65,66,81~88,101,102,111,112

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—

:

2$C1845(F,E)

3%

a,

Q41~46

UN4216

oO

2

|Reh}|—

5s

a48

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—-

063,64

2SC2458(Y,GR)

or

28C3311A(Q,R)

Q69,70

:

2SA1048(Y,GR)

or

28A1309A(Q,R)

)

+

—

Qs9~92

:

2SA1124(R.S)

Ra67

al

arenas

Q93,94

28C2632(R,S)

o§

4,

Q121,122,125,126

:

TRAITR2N

ra

2\-

—

Q123,124,127,128

:

TRAITR2P

R283

1K

A

©

SPEAKERS

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D1~4,11,12,41~48,51-54,61~64,67,68,81~85,91,92

Ms

|

188131

or

HSS104A

i=

3

021~24

RD18ES(B)

or

HZS18N(B)

ES

a

el

025,26

RD15JS(B)

or

HZS158(B)

(3

os]

a

027,28

RD8.2JS(B2)

or

HZS8.2S(B2)

(A)

+

;

D86

D5FB20-4002-L2

PROTECTION

|

ati3

|

e

|

:

|

{

1

|

POWER

DC

OFF-SET

DETECTOR

|

TRANSRFORMER

ats

Bsl

s4

WH6

(BRN)

]

a

O18

Fe

35

©

WHS

(BLK)

~

fae

5°

at!

5

ee

sys

%

WH4

(GRY)

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be

_

O78

Set

|

(X09-)

(B/3)

uae

WH2

Et

re

Ten

a

en

iQ

SDATA

a

,

if

SYSTEM

(3) (3)

CONTROL

wi

SI

ex

lex

zalsal

(4)

aszas

PSR

2S

L__o1——@——\

SZ

U

i]

cece

ONT

Of

©

Sx

SYS

|

aya

sak

6

b i

|

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WH7

°

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|

16bit

<—»

gbit

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|

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2/2

X11-A/10

-E4

2/2

©

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ie}

S

°

als

KA-7090R(E)

(1/2)

Y08-5492-70

KA-7090R

X09-A/3

-CN4

(X11-3682-70)

(4/10)

(X11-3682-70)

(H/10)

X09-A/3

4/2

C33

1000P

R1

470K

RQ

5.6K

4

C3

fl

R3

270K

AM

C31

0.1

s

8

Reece

|

OST

a

8

c

Ae

A A

A

EY

NL

Me

A

Ne

NN

Se

ef

RRR

MeN

eS

me

(X11-3682-70)

(1/10)

TREBLE)

roe

R17

ee

1.4K

Wr

°

bee

Se

ext

ral

oOBT

oS

noe

og

S

~|*

R13

ey

c19

4

5.6K

0.022

W-—$@

it

bt

4

ate

C32

0.1

AW

R2

470K

C4

330P.

C34

1000P.

C12

0.33u50

Fi.

RO

C10.

0.33u50

R20

1.1K

C24

560P

1h

R24

100K

Wr

10

oe

C1

(C2

IC3

Qt

Q2

Q20,21

022,25

Q23

Q24

D101~109

116,117,157,158

D110~115,118~1214

124,131~133

D125

126,152,153

D127~130

D134

BALANCE

CHASSIS

A

ES

A

Ac

cance

GA

Se

SN

sos

comes

semen

eunmeet

omnes

meno

WH2

SO

hee

ae

12

I

PHONO

R119

330

D

A

]

A

|

i

“Nr

“

2

(WH4

GRY)

;

OND

write

cp

2

|

R120330

-Di02

(WH6

BRN)

|

a]

TUNER

Js

Ae

—KK--——¢

|

WH10

Ri21330

«=:

D103,

(WHS

BLK)

4.

aux

Le,

He

4@t_4

|

>

wHee

5

TAPE

Is

R122330

-DI0d

My

Pei

ce

eT

4

|

s]

MD

Ie

R123.

330

DIOS

ty

|

-

Wr

“Kt

4

:

|

7]

eoy

1G

R124

330

Di06

A

|

E12

(X11-

)

(E/10)

-9-

|

AW

Kj»

et

ee

meee

cee

meee

me

Se

GND

8

|

:

4

R202

|

L

ie

:

150

2W

Je

WH1

ee

;

ite

?

VV

Py

Heao-

-

1)

eno

She

o

MO

eos

|

A

PHONE

4H

A/a

150

2W

+5V

a)

PRO

F109

2.2K

5]

5

diss

|

sls

MUTE

[

DF

Le

47ut0

1

els

ey

a

ei

WH6

mle

suiscs

ad

+

2

z

S15

CHASSIS

X09-A/3

CLR

I:

=

p,

GND

-CN1

sT2

I

3

a

2

=

cis

|

8

12

cx

|

5

‘cine

DATA

[s

e

|

seen

ote

oe

Ds]

CH

st

[9

I

a

SP-B

Lo

a

5

x]

o

SP-A

In

3|s

3

Sle

Died

]

|

isi

aT

Mat

87

7

Mf

7

ae

Beg

S/S

Ele

&

A

RELAY

8/16

13

a

era

me

+5.

5V

AVA

&

is

RELAY

7

1

t

eat

i

\

at

6

|

3]

POWER

nf

eS

R162

<==

R167

|

OeS

Oot

»

Areva

Q24

68

1W

Apter

~—9

sf

¥

iy

9

paren

a

C114

1000P

|

Q

x a

susy

[15

S

=

o

‘

RELAY

4

5

oz

5

ri

és

DRIVER

U

E13

x

°

=

bene

28

2}

0

|

3/5

ta

&

ares

«9025

|

8)

S)

8)

SST

Api29

a

Laci

“

Sis

47K

Ba

Sa

Say

>

+

|

=

ere

RESET

*

AW

(K)

Oh

Oe

Ome

Sf

Aciav

2

a

51S

Si

a]

&

g

ares

a22

199

Bl

als

A\pi30

1

z

2

i

R151

qu

3

‘

CAYO

SO

x

5

s

De

ee

av{

8

©

|

we

2

Si+

sii

a

ran

&

3

eS

|

a

2

oF

ot

ely

oR)

ey

58

&

bad

°

co

rw

2ss

|

:

Be

ets

|

-

|

l

ail

s/s

8

|

BF

3F

|

aT

|

l

cle

x

|

r

rn

ome

ely

sly

|

CHASSIS

ies

Esc

ie

aly

|

(X11-)(D/10)

GND

2250P

6103

Ete

sp

a

ac

e

1

I

a

I

1

|

1000P

Re

|

X11-)

(F/10)

|

:

i

|

0157

7

WH3

ry

|

%

()

|

DE

Z

A

aa

|

=

R207

7.5K

|

2]

vec]

2

OFF

2

K

3]

ey]

3

4

t

|

R204

20K

|

=

R212

al

|

78K

E11

R205

43K

eid

ne

3

| |

Se

R206

120K

|

i

| |

NJM4565D-D

M37471M4-805SP

:

S-806D-Z

2SA954(L,K)

2SC2003(L,K)

:

UN4212

or

DTC124ES

28C2458(Y,GR)

or

28C3311A(Q,R)

:

2SA1048(Y,GR)

or

2SA1309A(Q,A)

2SC3940A(R,S)

or

2SD863(E,F)

B30-2461-05

1SS133

or

HSS104

RD7.5JS(B)

or

HZS7.5S(B)

188131

or

HSS104A

S$5688B

or

1SR139-100

RD5.1JS(B2)

or

HZS5.1S{B2)

KA-7090R(E)

(2/2)

(X11-3682-70)

(C-10)

NH4

GRY)

ONS

VH6

BRN)

| |

|

NH5

BLK)

‘D-

INE

ASSIS

ND.

A\pi30

D-D

14-805SP

K)

(LK)

1

DTC124ES

(Y,GR)

or

28C3311A(Q,R)

Y.GR)

or

2SA1309A(Q,R)

A(R.S)

or

2SD863(E,F)

-05

r

HSS104

B)

or

HZS7.5S(B)

r

HSS104A

r

1SR139-100

B2)

or

HZS5.1S(B2)

KA-7090R(E)

(2/2)

Lt

on ee

eS

NE

NN

MR

SE

NY

se

2SA1124

2SC3940A

2SA954

2SD863

2SA992

28C1845

28C2003

2802632

.

28C2878

UN4212

UN4216

2SA1309A

28C3311A

ec

TA8409S

Witttt\

V%4b5O189

DTC124ES

UN4116

2SA1048

2802458

NJM4565D-D

5

o

2S$B1370

28D2061

TC9162N

TC9164N

W914

NO.

YES

‘1

28A1124

2SA954

2SA992

28C3940A

2SD863

2S8C1845

2$C2003

2SC2632

3

28C2878

UN4212

UN4216

2SA1309A

28C3311A

TA8409S

<<

\b4bSO180

eC

DTC124ES

UN4116

28A1048

Sc,

2802458

SE

2SB1375

NJM4565D-D

2$D2012

se

B

NJU3711D

28K371

Pe

!

ie]

G

S

2S$B1370

2SD2061

TC9162N

TC9164N

1S

KA-7090R

Y08-5492-70

Kenwood KA-7090R User manual

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