Kenwood KA-894 User manual

KA-804/904/V3700

KENWOOD

SERVICE

MANUAL

PRINTED

KOREA

B51-4846-00(K)3576

(

KA-994

)

Knob(BASS/TREBLE)

Panel

Dressing

plate

Metallic

cabinet

(K29-5838-04)

(A60-0539-1

(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

power

cord*

(E63-0070-15)

(E11-0188-05)

(E63-0046-15)

(E63-0072-15)

(J42-0083-05)

(E30-)

(K,

Type)

Phono

jack

(4P)

(E63-0069-15)

Phono

jack (6P)

Phono

jack

(2P)

Lock

terminal

board

Phono

jack

outlet*

(E63-0047-15)

(E63-0068-15)

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

(E03-)

*Refer

parts

list

page

34,

KA-894/994/V3700

CONTENTS

ACCESSORIES

........000+

cooeeecscecens

pecncccccceccces

BOARD

......cccccccccvccccccsccccecccceccenccsaaces

REMOTE

CONTROL

......-

encccccceecscceeccsscecooss

SCHEMATIC

DIAGRAM

.....-scseccccccccccsccenscoccces

BLOCK

DIAGRAM

......-scccccccccccccccsscccccecesences

EXPLODED

VIEW

........ccecscscccccccccccecnssascoenes

CIRCUIT

DESCRIPTION

......

eecssesccccencoesnsceaavens

PARTS

LIST

.....csccscccccccccccccescccccncccccscsaoucs

ADJUSTMENT

......ssccccccccccscccccccsccccccccscesccs

SPECIFICATIONS

.........sscccceecccscecccsvececcssonses

WIRING

DIAGRAM

.......+eeseseesecesesssssssseenesees

ACCESSORIES

Remote

Control

Umit...

seccseceeeeenees

(A70-0974-05)

KA-894/V3700

(A70-0961-05)

KA-994

gedaan)

Battery

cover

(A09-0170-08)

Battery

cover

(A09-0169-08)

RC-RO801

pig

Adaptor

oon...

eesensssssesssecennseene

Batteries(RG/AA)

.......ssssccssssssssseenessseeees

(F03-01

15-05)

(—)

KA-994,

894(M)

(

KA-894

V3700

)

Knob(BASS/TREBLE)

Panel*

Dressing

plate

Metallic

cabinet

Knob

(VOLUME

CONTROL)

(K29-5838-04)

(A60-)

(BO3-2890-23)

(A01-3098-1

(K29-5851-04)

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

KA-V3700.

*Refer

parts

list

pzage

34.

KA-894/994/V3700

(

KA-894

)

Phono

jack

(8P)

Miniature

phone

jack

Phono

jack

(4P)

Power

cord

bushing

power

cord*

(E63-0070-15)

(E11-0188-05)

(E63-0046-15)

(J42-0083-05)

(E30-)

—

(K,

Type

)

Phono

jack

(6P)

Phono

jack

(2P)

Lock

terminal

board

Lock

terminal

board

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)

outlet*

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

parts

list

page

34,

KA-894/994V3700

REMOTE

CONTROL

REMOTE

CONTROL

ASSY

A70-0961-05

(KA-994)

Operating

the

KR-V8060

KA-994

Press

the

AUDIO

key

dispiay

“AUDIO”.

Press

the

POWER

key

turn

the

power

the

main

unit

{KR-V8060

KA-994)

ON.

Press

operation

keys.

The

keys

covered

with

are

not

used

the

operation

the

receiver

Select

AUDIO.

Each

press

switches

the

sources

follows

AUDIO

TVCABLE

TAP

(Tape

TAP

(Tape

POWER

key

Numeric

keys

}

Function

the

numeric

keys

tne

tuner

when

the

TUNER

input

selected

Surround-related

keys

For

the

adjustment

procedure,

please

refer

pages

with

the

KR-

V8060

pages

with

the

KA-

994

Center

level

adjustment

keys

Effect

level

switch

key*®

Presence

mode

switch

key*

Press

mute

the

sound

tempo-

tarily.

Test

tone

key

VOLUME

keys

Press

adjust

the

volume.

When

these

kevs

are

cperated,

the

VOL-

eimai

UME

CONTROL

knob

the

re-

ceiver

unit

rotates

and

the

indicato

the

knob

biinks

high

speed

Surround

mode

switch

key

Delay

time

adjustment

keys

KENWOOD

REMOTE

CONTROL

UNIT

RC-RO801

INPUT

keys

Model:

RC-R0801

Infrared

ray

system

ee,

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

single

cassette

tape

deck,

use

the

TAPE

keys.

poneh

operation

eys

PRESET

CALL:

Select

the

preset

stations.

BAND:

Switches

the

bands.

player

keys

DISC:

The

DISC

key

can

used

the

disc

selector

key

multi-disc

player

with

disc

changer.

For

details,

read

the

instruction

manual

provided

with

the

player.

INPUT

select

key

Change

the

input

source.

POWER

key

Turn

the

power

components

ON/

OFF.

MUTE

key

Press

mute

the

volume

temporarily.

VOLUME

CONTROL

keys

Adjust

the

volume

level

the

unit.

KA-894/994V3700

raeaal

operation

eys

M.CALL:

Recall

the

equalizerd

patterns

stored

memory.

EFFECT:

Turn

the

graphic

equalizer

effect

and

OFF.

SURROUND

processor

operation

MODE:

Change

the

surround

mode

among

Dolby

PRO

LOGIC,

Dolby

STEREO,

BYPASS

(OFF).

REAR:

Press

adjust

the

rear

level.

CENTER:Press

adjust

the

center

level.

DELAY:

Press

adjust

the

delay

time.

MULTI LEVEL

CON-

TROL:

Press

adjust

the

level

the

rear,

center,

delay

time.

TEST

TONE:

Press

switch

the

TEST

TONE

and

OFF.

Note:

Change

the

mode

among

NORMAL,

WIDE,

PHANTOM

with

CENTER

MODE

key

the

main

unit.

Type:

RC-S0800

System:

infrared

control

«20

es)

(0)

CENTER

PRE

OUT

(KA-994

ONLY)

camp

—

REUY

oto

cENTER

esol

acai

35mv/47KA

sawp

POWER

THER’

;

seers

KA-B94,KA-V3700

KA-994

200mv/47K.

“i

022

stereo

SURROUND

STEREO

SURROUND

roger

70W/8.A.

evo

100w/8n

SUB

WOOFER

PRE

OUT

eee

FIC)

(KHz)

(1kHz)

RELAY

—od

C)>£0)

fea

doe

ONLY)

ia”

CENTER

20W/BA

20W/60

HEADPHONE

200mv/600.n.

FRONT

oto

Beh

200mv/100.0

FRONT

ADAPT

62)

Ke)

01,2

€5)

$72

yyy

(KA-994

ONLY)

OFF]

toupness

ute

200mV/47K.

iS)

(

mae

D<]

p-COM

MUTE

1C12

CxAISS@L

KA—994,V3700

ONLY

(

)

UNE

STRAIGHT

S84

ite

MONITOR

(xo9-

)

———

AC120V

<->

AC240V

VIDEO?

ees

GoaRG

€D1

Fao

| |

D107,108

WOEO

<}-

{

KEY

MATRIX

REC

Ear

SEI

eee

ACI20V

<->

AC240V

(10MHz)

pace

Qs52

INPUT

FUSE

SELECTOR

Ovse.115

18:CXP82320-162Q

po-coM

Sito

VOLUME

OUTLET

oan

eoyeaeed

SYSTEM

RELAY

ORE

KA-894/994

/V3700

INVYSVIG

19018

OOLEAPOG/P68-V)

KA-894/994/V3700

CIRCUIT

DESCRIPTION

TEST

MODE

)

get

the

TEST

MODE

Plug

the

power

cord

the

wall

outlet

while

pushing

the

SPEAKERS

key.

All

indications

light

up.

cancel

the

TEST

MODE

Unplug

the

power

cord

from

the

wall

outlet.

Operation

during

the

TEST

MODE

<1>

The

TEST

MODE

starts

with

all

indications

lit

and

with

POWER

ON.

The

Light

state

returns

the

normal

operation

state

when

any

key

the

main

unit

pushed.

<2>

Keys

that

have

different

functions

from

their

normal

functions

the

test

mode

BALANCE

Three

steps

change

from

Center

BALANCE

Three

steps

change

from

Center

DELAY

TIME

Three

steps

change

from

Minimum

Center

Maximum.

DELAY

TIME—

Three

steps

change

from

Maximum

Center

Minimum.

CENTER

LEVEL

Three

steps

change

from

Minimum

Center

Maximum.

CENTER

LEVEL

—

Three

steps

change

from

Maximum

Center

Minimum.

REAR

LEVEL

Three

steps

change

from

Minimum

Center

Maximum.

REAR

LEVEL—

Three

steps

change

from

Maximum

toCenter

Minimum.

8Q/4Q

Switch

—

Switch

status

indicated

TAPE

display.

8Q:

TAPE

display

goes

off.

4Q:

TAPE

display

lights

up.

any

time

TAPE

display

indicated,

however

H/L

switch

70W/100W

control

port

(pin

no.9)

switched

when.

Power

OFF

SPEAKER

OFF

DOLBY

Mode

BYPASS

Switching

with

INPUT

SELECTOR

INITIAL

SETTING

Initial

setting

Plug

the

power

cord

the

wall

outlet

while

pushing

the

SPEAKERS

key.

All

memorys

are

cleared.

The

backup

operation

returned

the

normal

operation.

SERIAL

TEST

MODE

get

the

SERIAL

TEST

MODE

Enter

the

TEST

code

(71).

cancel

the

SERIAL

TEST

MODE

Enter

the

TEST

OFF

code

(70),

unplug

the

power

cord

from

the

electrical

outlet,

RESET

the...

equipment.

The

operation

returns

from

the

test

mode

the

—

normal

mode.

Operation

during

the

SERIAL

TEST

MODE

The

following

functions

become

ineffective

during

the

test

mode.

Keys

the

main

unit,

keys

the

remote

controller,

ordinary

serial

codes.

The

same

codes

the

received

ones

are

cutputted.

Output

the

MUTE

signal.

The

MUTE

function

does

not

work

curing

the

SERIAL

TEST

MODE.

The

operation

MUTE

function

checked

with

specific

code.

Codes

received

during

the

SERIAL

TEST

MODE

are

effective

irrespective

the

display

mode.

The

key

entry

inhibit

state

with

16-secon{

dusration

not

available

when

the

ADAPTOR

urned

ON/OFF.

When

the

initial

setting

carried

out

means

the

initial

setting

AMP

(3F)

and

the

initial

ettiaing

(DF)

code.

SPEAKERS

A/B

turn

OFF

response

tasofftware

operation.

94/3700

894/9

CIRCUIT

DESCRIPTION

eeepse

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KA-894/994/V3700

CIRCUIT

DESCRIPTION

KEY

MATRIX

KRO

KRI

KR2

VOLUME

DOWN

3-Stereo

CENTER

SPEAKER

Dolby

MODE

manana

Pro

Logic

BALANCE

hide

Pear

spew

LOUDNESS

[517

St1pin

DELAY

TIME

LINE-

TEST-TONE

DOWN

STRAIGHT

$16

50pin

SPEAKER

DELAY

TIME

POWER

ON/OFF

POWER

pF7/S15

A9PIN

PCO/KRO

PC1/KR1

PC2/KR2

14pin

15pin

16pin

$20

54pin

$19

53pin

FL.

p/KSOO

FL.

n/KSO1

FL.

m/KSO2

FL.

k/KSO3

FL.

j/KSO4

FL.

a/KSO5

FL.

b/T.

o/KSO6

PF6/S14

48PIN

FL.

h/T.

n/KSO7

PF5/S13

47PIN

FL.

f/T.

m/KSO8

PF4/S12

46PIN

FL.

g/T.

I/KSO9

PF3/S11

45PIN

FL.

d/T.

k/KS10

PF2/S10

44PIN

PF1/SO9

43PIN

jaws

[wo

No]

vem]

[VES

VES

FL.

c/T.

j/KS11

PFO/SO8

42PIN

FL.

e/T.

i/KSyqy11

FL.

h/KSyyy2

PD7/S07

41PIN

KA-894/994/V3700

CIRCUIT

DESCRIPTION

LAYOUT

MICRO

PROCESSOR

CXP82320-1580

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