Kenwood A 87 Service Manual

Page 1

:EégialfifD AMPLIFIER V KENWOOD

("E SERVICE MANUAL
(M-97/97M/99LD/99M) ©WPRINTEWAPAN

H M ?~o7/ L/ M }9 B51-4735-00 (S) 2318

[A-8 7]

Knob Knob Metallic cabinet Knob Knob
(K294404434) (Am-181001) (K294402304) (K297440304)

Panel
(A60v0503702l (K297440304)

KENWOOD New}

g.)

{ 3
Foot (From) Phone junk Knob Knob
(J02-1040-05) (EH-021005) (K29-5706-03) (K29-5672-04)
phono jack Rectangular receptacle Rectangular receptacle
(563.009405, (EOBrO415-05) (E0870411-05l
Phono jack Phone jack Phone jack Phono jack Rectangular receptacle AC power cord*
(E63~0072A15l (E63-0056~15)x2 0363-00930?» (333-00674 5) (E08-04l 405) (E30-)

Phono jack Phono jack Pin Phono jack Power cord Bushing
(E63-0090~05) HESS-009205) (J12-0091-05l (E6370091-05) (J42«0083~05)
Rectangular receptacle AC outlet"
[208-0312-05) (503.)

Look terminal board

Foot (Rear)
0203664 5) 5700022705)

xx Refer to parts list on page 22.

Page 2

A-87/97

CONTENTS

I
REMOTE CONTROL UNIT ..................................... a SCHEMATIC DIAGRAM ........................................ 13 ,
BLOCK DIAGRAM .................................................. 4 EXPLODED VIEW (UNIT) ..................................... 21

I CIRCUIT DESCRIPTION ........................................ 5 PARTS LIST ......................................................... 22

WIRING DIAGRAM.
PC BOARD.

Knob
(29-44-03-040

Panel
IA60A050I '02)

Phone jack
IE1 170210-05)

Foot (Front)
(J02-1040-05I

Knob
(K29-4404-04)

.11

Metallic cabinet
IAOI -1 810-01)

Knob
(K 29570603)

, 7 SPECIFICATIONS.

Knob
IK29~4405-04)

.. BACK COVER

Knob
IK29-4403<04I

Rectangular receptacle Rectangular receptacle

IEO8-O414s05) (EOE-041105)
Phone jack Phono jack Phone jack Phone jack Rectangular receptacle AC power cord"
0363700723] SI (E6370065-15I (3337009305) (E63-0094-05I (EOE-041505) (E30-I
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Look terminal board

IE70-0022-05I

INSTRUCTION MANUAL
860-1351-00 ENGLISH

2 3604352-00 SPANISH M
860-1353-00 CHINESE M

Phono jack
IE63-0092205I

Phono jack
(E6320090-05)

Phono jack
IE63-0067-15)

Rectangular receptacle
IE08e0312-05)

Phono jack Power cord Bushing
(E63-009l-05) (J42-0083-05)

Refer to parts list on page 22.

he, 33, 33 ,A We

A-87/ 97

REMOTE CONTROL UNIT

REMOTE CONTROL UNIT (X94-1050-1 1)

BATTERY COVER (FO7-072I-23)

Input selector keys

MAIN INPUT key: Press to select the source
component to be played.

OMNI INPUT key- Press to select the component
to be playsd through the amp
dIrectmnal speakers [optional]
Ior dual sound may or In rm
DSF presence mode.

DUAL SOUND key

SLEEP timer key

Cassette deck operation keys

Lg anemic dack A. set me A a Switch to A. (The
Land 31 keys are InVaIid In this case.)

To onerate deck B. Set the A B szthi to B.

Numeric keys
Function as the nutrient: keys or the on player
when the CD Input :5 selected.

A B switch

keys in the hushed sectlon In can be used In

two ways. Tha two Iunctiohs can be switched

according to the witness or such oneration.

lKeys wmch have two Rimes printed on or
around them, one printed in whim characters
and the other in brown characters, orovtde
lhz Iunctions printed with brown characters
when the AIB switch in set to A. and provide
the Iunctions printed with whit: characters
when the switch is set to B.

IOlhat keys iunctian regardless of the A B
switch position.

POWER kay

Tuner operation keys
BAND key. PJZALL keys

CD player basic operation
keys

3 and 3kuys.mkev. (am
When the A 3 switch :5 set to Asa-ac 3
REVS

Function as the numeric keys of the (will when
the TUNER Input IS selected.

Amplifer operation keys
LINEAR ACOUSTIC key, BGM Keys

Surround function keys.

These keys are used when the graphic equalizer
loptronal 55-370! :5 connected, REAR LEVEL
kw. CENTER OMNI LEVEL kaysv DELAY TIME
ASFC keys

CD operation keys
As the M~97M and M-97 use the same model

VOLUME CONTROL keys

Prass muse keys to adjust the volume When
these keys are pressed. the VOLUME CONTROL
knob on the mam unit roiates and the Indicator on
it blinks at high sorted,

MUTE key

Press to mute the sound llmDOVaIiIV.

Analog disc turntable operation
keys

These keys are used (0 ooersta the analog msc
turntables oi KENWOOD rotational P78r Feast

oi remote control win, some at It: keys cannot
be used Mn me M-97 '

Keys usaoie with the M-97M system:

All keys can be used.

Keys usaule wrrh me M-97 svsIeM'

P MODE key, EDIT \ODE key. CLEAR key.
CHECK my

m.
3

33 33'3"

3 33'31'623

n... x; m. m '5':-

3 3 33 3

EEE-"fig-I

Graphic equalizer (optional GE»
970) operation keys

Keys related to gnome aquaIilrng

AI law. FILE key. M.GAI.L key, EFFECT \ev.
ACTIVE N.B, keV

Keys tclateo to surround and prusence OIfecls

F ZCH kw, F ACH kly. SACH My 0F: «av
DOLBY PHD LOGIC kw. DDLEV 3 3TERED tav.
TEST TONE kay. MULTI CONTROL key

I

Super woofer operation keys
POWER key. VOLUME CONTROL keys
.Ouiranali