Kenwood KA-894 User manual

KA-804/904/V3700

+

KENWOOD

SERVICE

MANUAL

PRINTED

IN

KOREA

B51-4846-00(K)3576

(

KA-994

)

Knob(BASS/TREBLE)

Panel

Dressing

plate

Metallic

cabinet

(K29-5838-04)

(A60-0539-1

1)

(BO03-2890-23)

(AQ1-3098-11)

Foot

Phone

jack

Knob(SURROUND)

Knob(INPUT

SELECTOR)

(JO2-0366-15)

(E11-0127-05)

(K29-5849-02)

(K29-5866-04)

Knob(POWER/SPEAKERS)

(K29-5850-03)

Knob(VOLUME

CONTROL)

(K29-585

1-04)

Phono

jack

(8P)

Miniature

phone

jack

Phono

jack

(4P)

—

Phono

jack

Power

cord

bushing

AC

power

cord*

(E63-0070-15)

(E11-0188-05)

(E63-0046-15)

(E63-0072-15)

(J42-0083-05)

(E30-)

(K,

P,

R

Type)

Phono

jack

(4P)

(E63-0069-15)

Phono

jack (6P)

Phono

jack

(2P)

Lock

terminal

board

Phono

jack

AC

outlet*

(E63-0047-15)

(E63-0068-15)

(E70-0048-05) (E63-0090-05)

(E03-)

*Refer

to

parts

list

on

page

34,

KA-894/994/V3700

CONTENTS

ACCESSORIES

........000+

cooeeecscecens

pecncccccceccces

2

PC

BOARD

......cccccccccvccccccsccccecccceccenccsaaces

15

REMOTE

CONTROL

......-

a

eb

encccccceecscceeccsscecooss

4

SCHEMATIC

DIAGRAM

.....-scseccccccccccsccenscoccces

23

BLOCK

DIAGRAM

......-scccccccccccccccsscccccecesences

6

EXPLODED

VIEW

........ccecscscccccccccccecnssascoenes

33

CIRCUIT

DESCRIPTION

......

eecssesccccencoesnsceaavens

7

PARTS

LIST

.....csccscccccccccccccescccccncccccscsaoucs

4

ADJUSTMENT

......ssccccccccccscccccccsccccccccscesccs

13

SPECIFICATIONS

.........sscccceecccscecccsvececcssonses

43

WIRING

DIAGRAM

.......+eeseseesecesesssssssseenesees

14

ACCESSORIES

©

Remote

Control

Umit...

seccseceeeeenees

(A70-0974-05)

KA-894/V3700

(A70-0961-05)

KA-994

0

gedaan)

Battery

cover

(A09-0170-08)

Battery

cover

(A09-0169-08)

RC-RO801

©

AC

pig

Adaptor

oon...

eesensssssesssecennseene

©

Batteries(RG/AA)

.......ssssccssssssssseenessseeees

(F03-01

15-05)

(—)

KA-994,

894(M)

Ze

ow

OG

Q

(

KA-894

/

V3700

)

Knob(BASS/TREBLE)

Panel*

Dressing

plate

Metallic

cabinet

Knob

(VOLUME

CONTROL)

(K29-5838-04)

(A60-)

(BO3-2890-23)

(A01-3098-1

1)

(K29-5851-04)

a

Knob(POWER)

Foot"

Phone

jack"

Knob{SURROUND)

KnobNPUT

SELECTOR)

Knob(SPEAKERS)

(K29-5850-03)

(02-)

(E115)

(K29-5849-02)

(K29-5866-04)

(K29-5850-03)

Photo

is

KA-V3700.

*Refer

to

parts

list

on

pzage

34.

KA-894/994/V3700

(

KA-894

)

Phono

jack

(8P)

Miniature

phone

jack

Phono

jack

(4P)

Power

cord

bushing

AC

power

cord*

(E63-0070-15)

(E11-0188-05)

(E63-0046-15)

(J42-0083-05)

(E30-)

—

6,

(K,

P,

R

Type

)

Phono

jack

(6P)

Phono

jack

(2P)

Lock

terminal

board

Lock

terminal

board

AC

outlet*

(E63-0047-15)

(E63-0068-15)

_(E70-0048-05)

(E20-0236-05)

(E03-)

(

KA-V3700

)

Phono

jack (8P)

Miniature

phono

jack

Phono

jack

(4P)

AC

outlet*

AC

power

cord*

Power

cord

bushing

(E63-0070-15)

(E11-0188-05)

(E63-0069-15)

(E03-)

(E30-)

(J42-0083-05)

ONTO

Phono

jack

(6P)

=

Phono

jack

(2P)

Phono

jack

(4P)

Lock

terminal

board

—

Lock

terminal

board

Slide

switch

(E63-0047-15)

(E63-0068-15)

(E63-0046-15)

|

(E70-0048-05)

(E20-0236-05)

(S62-0034-05)

*Refer

to

parts

list

on

page

34,

KA-894/994V3700

REMOTE

CONTROL

REMOTE

CONTROL

ASSY

:

A70-0961-05

(KA-994)

Operating

the

KR-V8060

or

KA-994

+.

Press

the

AUDIO

key

to

dispiay

“AUDIO”.

2

Press

the

POWER

key

to

turn

the

power

of

the

main

unit

{KR-V8060

or

KA-994)

ON.

3

Press

operation

keys.

*

The

keys

covered

with

9

are

not

used

in

the

operation

of

the

receiver

Select

AUDIO.

Each

press

switches

the

sources

§

as

follows

E

+

AUDIO

2

CD

iD

TVCABLE

3

TAP

A

(Tape

A)

4

TAP

B

(Tape

8)

POWER

key

:

f

.

:

Numeric

keys

}

Function

as

the

numeric

keys

of

tne

tuner

when

the

TUNER

input

's

selected

Surround-related

keys

For

the

adjustment

procedure,

please

refer

to

pages

20

to

25

with

the

KR-

V8060

or

pages

9

to

12

with

the

KA-

994

Center

level

adjustment

keys

Effect

level

switch

key*®

:

Presence

mode

switch

key*

Press

to

mute

the

sound

tempo-

tarily.

E

Test

tone

key

VOLUME

keys

L

Press

to

adjust

the

volume.

When

|

these

kevs

are

cperated,

the

VOL-

|

eimai

UME

CONTROL

knob

on

the

re-

|

ceiver

unit

rotates

and

the

indicato

on

the

knob

biinks

at

a

high

speed

Surround

mode

switch

key

Delay

time

adjustment

keys

KENWOOD

REMOTE

CONTROL

UNIT

RC-RO801

INPUT

keys

P:

Model:

RC-R0801

Infrared

ray

system

ee,

ne

REMOTE

CONTROL

ASSY

:

A70-0974-05

(KA-894/V3700)

Cassette

tape

deck

operation

keys

Available

for

the

cassette

tape

deck

connected

through

the

SYSTEM

CON-

TROL

terminals.

When

using

a

single

cassette

tape

deck,

use

the

TAPE

B

keys.

poneh

operation

eys

PRESET

CALL:

Select

the

preset

stations.

BAND:

Switches

the

bands.

CD

player

keys

DISC:

The

DISC

key

can

be

used

the

disc

selector

key

of

a

multi-disc

player

with

a

disc

changer.

For

details,

read

the

instruction

manual

provided

with

the

CD

player.

INPUT

select

key

Change

the

input

source.

POWER

key

Turn

the

power

of

components

ON/

OFF.

MUTE

key

Press

to

mute

the

volume

temporarily.

VOLUME

CONTROL

keys

Adjust

the

volume

level

of

the

unit.

KA-894/994V3700

raeaal

operation

eys

M.CALL:

Recall

the

equalizerd

patterns

stored

in

memory.

EFFECT:

Turn

the

graphic

equalizer

effect

ON

and

OFF.

SURROUND

processor

operation

ke

MODE:

Change

the

surround

mode

among

Dolby

PRO

LOGIC,

Dolby

3

STEREO,

BYPASS

(OFF).

REAR:

Press

to

adjust

the

rear

level.

CENTER:Press

to

adjust

the

center

level.

DELAY:

Press

to

adjust

the

delay

time.

MULTI LEVEL

CON-

TROL:

Press

to

adjust

the

level

of

the

rear,

center,

delay

time.

TEST

TONE:

Press

to

switch

the

TEST

TONE

ON

and

OFF.

Note:

Change

the

mode

among

NORMAL,

WIDE,

PHANTOM

with

CENTER

MODE

key

on

the

main

unit.

Type:

RC-S0800

System:

infrared

control

«20

es)

ce

(0)

CENTER

PRE

OUT

(KA-994

ONLY)

cs

I

camp

—

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oto

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35mv/47KA

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KA-994

200mv/47K.

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STEREO

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we

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70W/8.A.

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100w/8n

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SUB

WOOFER

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|

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SP

RELAY

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CENTER

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20W/BA

20W/60

|

HEADPHONE

200mv/600.n.

a

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oto

Beh

200mv/100.0

cs

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ADAPT

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er

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(KA-994

ONLY)

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|

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ute

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2s

200mV/47K.

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|

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MUTE

ON

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KA—994,V3700

ONLY

4

(

)

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STRAIGHT

S84

NS

0

CN

ite

MONITOR

|

(xo9-

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§

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———

AC120V

<->

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VIDEO?

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af

es

ees

|

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x1

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pace

|

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|

INPUT

FUSE

SELECTOR

|

Ovse.115

IC

18:CXP82320-162Q

po-coM

|

Sito

oe

VOLUME

oe

|

+8

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OUTLET

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SYSTEM

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PF

RELAY

ORE

:

.

KA-894/994

/V3700

INVYSVIG

19018

OOLEAPOG/P68-V)

KA-894/994/V3700

CIRCUIT

DESCRIPTION

TEST

MODE

)

To

get

in

the

TEST

MODE

Plug

the

AC

power

cord

in

the

wall

outlet

while

pushing

the

SPEAKERS

key.

All

indications

light

up.

@)

To

cancel

the

TEST

MODE

Unplug

the

AC

power

cord

from

the

wall

outlet.

@)

Operation

during

the

TEST

MODE

<1>

The

TEST

MODE

starts

with

all

indications

lit

up

and

with

POWER

ON.

©

The

Light

up

state

returns

to

the

normal

operation

state

when

any

key

of

the

main

unit

is

pushed.

<2>

Keys

that

have

different

functions

from

their

normal

functions

in

the

test

mode

BALANCE

L

Three

steps

change

from

R

to

Center

to

L.

BALANCE

R

Three

steps

change

from

L

to

Center

to

R.

DELAY

TIME

+

Three

steps

change

from

Minimum

to

Center

to

Maximum.

DELAY

TIME—

_

Three

steps

change

from

Maximum

to

Center

to

Minimum.

CENTER

LEVEL

+

Three

steps

change

from

Minimum

to

Center

to

Maximum.

CENTER

LEVEL

—

Three

steps

change

from

Maximum

to

Center

to

Minimum.

REAR

LEVEL

+

Three

steps

change

from

Minimum

to

Center

to

Maximum.

REAR

LEVEL—

Three

steps

change

from

Maximum

toCenter

to

Minimum.

8Q/4Q

Switch

—

Switch

status

is

indicated

by

TAPE

2

display.

8Q:

TAPE

2

display

goes

off.

4Q:

TAPE

2

display

lights

up.

At

any

time

TAPE

2

display

is

indicated,

however

H/L

switch

of

70W/100W

control

port

(pin

no.9)

is

switched

when.

.

Power

ON

or

OFF

SPEAKER

ON

or

OFF

DOLBY

Mode

or

BYPASS

Switching

with

INPUT

SELECTOR

INITIAL

SETTING

@

Initial

setting

Plug

the

AC

power

cord

in

the

wall

outlet

while

pushing

the

SPEAKERS

key.

©

All

memorys

are

cleared.

©

The

backup

operation

is

returned

to

the

normal

operation.

SERIAL

TEST

MODE

@

To

get

in

the

SERIAL

TEST

MODE

Enter

the

TEST

ON

code

(71).

@)

To

cancel

the

SERIAL

TEST

MODE

Enter

the

TEST

OFF

code

(70),

unplug

the

AC

power

cord

from

the

electrical

outlet,

or

RESET

the...

equipment.

©

The

operation

returns

from

the

test

mode

to

the

—

normal

mode.

@)

Operation

during

the

SERIAL

TEST

MODE

©

The

following

functions

become

ineffective

during

the

test

mode.

©

Keys

of

the

main

unit,

keys

of

the

remote

controller,

ordinary

serial

codes.

The

same

codes

as

the

received

ones

are

cutputted.

Output

of

the

MUTE

signal.

©

The

MUTE

function

does

not

work

curing

the

SERIAL

TEST

MODE.

The

operation

of

he

MUTE

function

is

checked

with

a

specific

code.

Codes

received

during

the

SERIAL

TEST

MODE

are

effective

irrespective

of

the

display

mode.

The

key

entry

inhibit

state

with

16-secon{

dusration

is

not

available

when

the

ADAPTOR

is

t

urned

ON/OFF.

When

the

initial

setting

is

carried

out

by

means

of

the

initial

setting

AMP

(3F)

and

the

initial

ettiaing

GE

(DF)

code.

<

SPEAKERS

A/B

turn

OFF

in

response

tasofftware

operation.

94/3700

894/9

KA

CIRCUIT

DESCRIPTION

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KA-894/994/V3700

a

CIRCUIT

DESCRIPTION

KEY

MATRIX

KRO

KRI

KR2

VOLUME

DOWN

3-Stereo

CENTER

|

CENTER

SPEAKER

Dolby

MODE

manana

Pro

Logic

BALANCE

:

oe

hide

Pear

spew

|

LOUDNESS

[517

St1pin

DELAY

TIME

LINE-

:

TEST-TONE

DOWN

STRAIGHT

$16

50pin

SPEAKER

|

DELAY

TIME

POWER

ON/OFF

UP

|

POWER

|

pF7/S15

A9PIN

PCO/KRO

PC1/KR1

PC2/KR2

14pin

15pin

16pin

$20

54pin

$19

53pin

FL.

A.

p/KSOO

FL.

A.

n/KSO1

FL.

A.

m/KSO2

FL.

A.

k/KSO3

FL.

A.

j/KSO4

FL.

A.

a/KSO5

FL.

A.

b/T.

o/KSO6

PF6/S14

48PIN

FL.

A.

h/T.

n/KSO7

PF5/S13

47PIN

FL.

A.

f/T.

m/KSO8

PF4/S12

46PIN

FL.

A.

g/T.

I/KSO9

PF3/S11

45PIN

FL.

A.

d/T.

k/KS10

PF2/S10

44PIN

PF1/SO9

43PIN

jaws

[wo

|

No]

NO

vem]

NO

[VES

|

VES

FL.

A.

c/T.

j/KS11

PFO/SO8

42PIN

FL.

A.

e/T.

i/KSyqy11

FL.

T.

h/KSyyy2

PD7/S07

41PIN

KA-894/994/V3700

CIRCUIT

DESCRIPTION

LAYOUT

MICRO

PROCESSOR

CXP82320-1580

<BOTTOM

VIEW>

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Kenwood KA-894 User manual

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