Pioneer MA-9 User manual

®) PIONEER
The future of sound and vision.
ervice
c/Manual fee aah
ARP2073
MIC MIXER
VIA-
@ This manual is applicable to the SD type.
CONTENTS
1. EXPLODED VIEW, PACKING AND PARTS
L1G Teveceescecseeeeenreesens sbsasesivededaceacecasesisbueevereeveyesss 2
2. IC DESCRIPTIONS rrrrsrsssssesssesessesetsetereresseseesess 5
3. SCHEMATIC DIAGRAM crresrreeeecesseerereseresesseeens 7
4. P.C. BOARDS CONNECTION DIAGRAM: 11
5. BLOCK DIAGRAMerrrss padsbapethcoeawaieaesedevess 19
6. P.C.B’s PARTS LiSTerrccsscsrceesseesesseeeeessasenes 24
7. PANEL FACILITIES sesseescesscesscesseesesereeseerseesees 24
8B. SPECIFICATIONS crsceesseeseseeseeorreessesernesesereses 26
PIONEER ELECTRONIC CORPORATION = 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L3R 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911

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1.
EXPLODED
VIEW,
PACKING
AND
PARTS
LIST
NOTES :
¢ Parts without part number cannot be supplied.
*
The
A,
mark
found
on
some
component
parts
indicates
the
impotance
of
the
safety
factor
of
the
part.
Therefore,
when
replacing,
be
sure
to
use
parts
of
identical
designation,
*
Parts
marked
by
“©”
are
not
always
kept
in
stock,
Their
delivery
time
may
be
longer
than
usual
or
they
may
bé
unavailable.
Mark
No.
Part
No.
Description
Mark
No.
Part
No.
Description
A
1
CM-—22B
Strain’
relief
101
MAIN
unit
AN
2
PDG1013
AC
power
cord
102
MCAB
unit
A
3
REK-—076
FU101,
FU102
103
MCJB
unit
400mA
Fuse
104
SWLB
unit
4
RBH1144
Spring
105
CNB1
unit
A
5
RTT1140
Power
transformer
106
eerevereie
6
VXA1289
Insulator
assembly
;
107
Chassis
A
7
PSB1002
Voltage
selector
108
P.C.B
holder
8
PACi372
Power
button
109
Power
joint
9
RAC1523
Key
control
button
110
Rear
panel
A
10
AKP-~507
.
AC
socket
111
succes
11
AAB1063
Rotary
knob
112
Connection
cord
assembly
12
PYY1050
Bonnet
113
Front
panel
13
RXA1354
Push
knob
assembly
114
Name
plate
14.
tte
ens
115
P.C.B
base
15
RRB1071
Operating
instructions
116
Angle
16
RRG1002
Operation
guide
:
17
RHA1052
Pad
(F)
18
RHC-154.
Packing
sheet
19
RHG1207
Packing
case
20
fe
aie
21
RDE-O10
Connection
cord
22
RXX1306
Front
panel
assembly
—S
23
RAH1711
Display
panel
24
BBZ30PO60FMC
Screw
nN
oi
BBZ40PO80FZK Screw
IBZ30P100FMC Screw
BBZ26PO80FMC Screw
BBZ30PO80FZK Screw
RHA1053 Pad (R)
RNK1377 REC lens
WNNNN oOoOON ®

In this
IC101 (
IC109 (
1109 (:
17
Correlat:
«
.
IC109 (¢
10112 (1
These
washer
and
nut
are
supplied
with
VR501
to
VR505
of
MCAB
unit.
*1:

21
2. IC DESCRIPTIONS.
In this section, ICs truth tables are described.
16101 (NJU4052BD)
- Front switch
Stereo one-
MPX/stereo touch karaoke
IC109 (1.43), (2/3)
IC110 (1.73), (273)
10109
(3,73),
10110
(3/3)
(NJU4053BD)
[Pin
[10
wich
sowed]
Made
L
Pin
2
side
|
Key
controller
ON
(#
or
b)
Logic
Lt
|
Pin
1
side
|
Key
controller
OFF
(4)
L |Pins 2, 5 side|Power OFF (through)
Logic |
Pins
1,
3
side|Power
ON
(various
operations)
10114 (NJU4053BD)
L 1|Pins 2, 12 side| TAPE REC ON
Logic os
are Ping 1, 13 side} TAPE REC OFF
IG504 (1/3) (NJU4053BD)
[o
[Bench
see|
ee
Voice
enhancer
switch
OFF
Logic
Pin 3 side Voice enhancer switch ON
I¢504 (3/73)
=
Pin
12
side
|
Vocal
partner
switch
OFF
Ogic
Pin
13
side
|
Vocal
partner
switch
ON
IC601
(SN74LS145N)
:
BCD—TO—DECIMAL
DECODER//DRIVER
Truth table
ay
Pint2
|
Pin13
Pint5
|
Pint
Pind
Pind
| a
3 XN
<
fo)
<
o
Decimal
|
|
BEB
Oo
=
=| 58
Loe)
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oO 2
pe} 3
=
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x] x
< wo
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fal |
pe aes es De! Oa ee Oe
pu gy ea fee ee a) Pe a Or od
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4
PECEEE PRY
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|
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ER
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Be
Be
elle
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E
G A
Flee
ps ia (se
4
Oo
=|
|
= |=
|
=| =
_ w
= — _ a N
=| |
|
~
ol
Logic diagram
Output
mi __
tt
[ies
|
ia
| an ee ee Be
* : Open collector

Se emma cen etter mera
|
*4v>—-—_
Ve MCJB UNIT icaor: patse1g. 1€ 401,402: MIC AMP
3,
r)
CNB 1 UNIT
MCAB UNIT
——~ +6y >
IC501 = BAISZ18N
16504(2/3)
Ic502
:
BatsoieN
VOICE
ENHANCER
UMAKA
ON/OFF
sw
IC5O1:
BAISZ16N
*
ic 111 Icn2
BUFFER AMP
ICN3 : BAIS218 Qm.n2
BAIS218 NJU405380
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VOCAL
ON/OFF
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MIC
AMP
61
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Sw
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TAPE
PLAY/REG>
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1750
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BALANCE
©
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=
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ON/OFF
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AMP
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(6)
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CONTROL
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BAI5218N
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CONTROL
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VOICE
CUT
ON/OFF
SW
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DECOI
SWLB
UNIT
Indicated
in
2,
1/4W, 1/6W,
1/8W,
5%!
tolerance
unless
ere
Pa
GV
recy
1c601
otherwise
noted
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2.
hia
ACITORS:.
:
m
|
oie,
Lrg
st
Dét2~0615
:SLR-320VESF
toeated
in
capacity
(uF)
/voltage
(V)
unless
otherwise
noted
we
fs
A
e
miss
100
Indication
without
voltage
is
50V
except
electrolytic
capacitor.
100k
|
*e~4
3.
VOLTAGE
CURRENT
:
RIT4
Re
RI84
100
A
TOOK
one
i
OC
voltage
(V)
at
play
state.
Lowy
|
|
(L);
The
voitage
when
MPX
BALANCE
control
is
turned
fully
72
|
ce
:
|.
|e
Q601:
ONTA/STEREO
ONETOUCH
KARAOKE
counterclockwise.
2k
|
10/50
7
$
e
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rz
R>:
Thi
i
it
S307
i
i
~
LINE
OUT
R
(©)
2601
2a
Misa
Wancona.
“OMe
ae
Tine.
(R)
@
voltage
when
MPX
BALANCE
contol
is
turned
fully
C169
R80
cri
R185
100
e316
|
C305,
KDC
I2Z4ES
VOCAL,
onerous
TEREO
PLAY/REC
.
counterclockwise.
a
[6
|
10/50
1k
10/50
d
oot
|
0.047;
iL:
ay
S601~606
:
RSG1032
mA;
DC
“currant
at
play
state.
“4
‘i
R606
LREOT
R08.
R6OS
R610
$607~609:
RSGIO10
Value
in€
)
is
BC
ae
er
&
pee 601
$22"
5602
22k
5693
22k
gg0qs22k
se0se
47k
eos
s
22k
ein
is
current
at
stop
state,
IXING
UNE
MUTE
bid
5 p p
o
P88
OS:
OE
ts
eaeiis
4.
OTHERS:
TAPE
PLAY/REC
Q6ot
b
b
b b
b
b
>;
Signal
route.
*
alert?
(Ap
® ®
® ®
DGOG
=
SLH-S4YC3SHS
@
;
Adjusting
point.
Fw]
ol wy
ci)
peos
peod
60s
D606
O61
=
SLR-320Y3F
The
A*mark
found
on
some
component
parts
indicates
the
importance
of
the
safety
factor
of
the
part.
Therefore,
when
R601
Reor
pone)
fat
replacing,
be
sure
to
use
parts
of
identical
designation.
+
a
%€
marked
capacitors
and
resistors
have
parts
numbers,
601
i
1¢-
This
is
the
basic
schematic
diagram,
but
the
actual
circuit
may
vary
due
to
improvements
in
design,
5.
SWITCHES
(Underline
indicates
switch
position)
SWLB
unit
$601:
ECHO
ON/OFF
IN/OFF
$602:
UMAKA
ON/OFF
a]
$603:
WARIKOMI
VOCAL
ON/OFF
+
$604:
ONETOUCH
KARAOKE
ON/OFF
S605:
ONTA/STEREO
8
S606:
TAPE
PLAY/REC
3
$607:
HIGH
#
$608:
NORMAL
pop-mo
[ene]
)
J
1
t
4
(exes2]
Bep-ma
$609:
LOW
b
ge58
Eee
32
MAIN
unit
4
MUTE
>
4
MUTE
>
wyuyy
a
$101:
POWER
STANDBY
/ON
+5V
>
eeP-Ma[emos]|
|
|
|
(Enioa}BsP-mo
£
<
WARIKOM)
ON/OFF
ECHO
ON/OFF
ure
Lomo]
*
”
F104_VTHIOWg
IC133
+
IRO39B
—{
UMAKA
ON/OFF
+8v>
8}
——
—
WARIKOMI
ON/OFF
>
lcoeat
tecese
Rese
Ra!
at,
COMPARATOR
Hy
Reh
+
< Ren
ECHO
ON/OFF
0.022]
|
100/10
A
ine
—
<
Leh
qe
—
<
Len
—
UMAKA
ON/OFF
ier
—
:
ECHO
OUT
rp——!
4.7/36
(NP)
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1C124
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10123
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1c122
10121
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A AC OUTLET
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| 11
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0 : O Power
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O
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1.
This
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connection
diagram
is
viewed
from
the
parts
mounted
side.
2.
The
parts
which
have
been
mounted
on
the
board
can
be
replaced
with
those
shown
with
the
corresponding
wiring
symbols
listed
in
the
above
Table.
3.
The
capacitor
terminal
marked
with
2
shows
negative
terminal.
4,
The
diode
marked
with
O
shows
cathode
side,
5..
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transistor
terminal
marked
with
[3
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emitter,
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:
19
ae

Mark No. Symbol & Description Part No.
6.
P.C.B’s
PARTS
LIST
Mark
No.
Symbol
&
Description
__PartNo.
NOTES:
(166,
167
CKPUYF223225
C260,
261
MYLOR
FILM
CAPACITOR
CQMA563J50
:
vias
(168-172
ELECTR.
CAPACITOR
CEASLOOMSO
C262
CKPUYY103N16
¢
Parts
without
part
number
cannot
be
supplied.
C173,
174
CKPUYF
223225
C263
ELECTR.
CAPACITOR
CEAS100M50
«
Parts
marked
by
“
@”
are
not
always
kept
in
stock.
Their
delivery
time
may
be
longer
than
usual
or
they
may
be
unavailable.
C175,
176
ELECTR.
CAPACITOR
CEAS100M50
C264,
265
CKPUYY103N16
¢
The
A\
mark
found
on
some
component
parts
indicates
the
impotance
of
the
safety
factor
of
the
part.
Therefore,
when
replacing,
be
sure
C177,
178
MYLOR
FILM
CAPACITOR
CQMA103J50
C266
ELECTR.
CAPACITOR
CEAS101M10
to
use
parts
of
identical
designation.
5
*
When
ordering
resistors,
first
convert
resistance values
into
code
form
as
shown
in
the
following
examples.
nd
ice
a
Fie
pelea
ties
anon
ei
eee
CAPACITOR
Aaa
Ex.1
When
there
are
2
effective
digits
(any
digit
apart
from
0),
such
as
560
ohm
and
47k
ohm
(tolerance
is
shown
by
J=5%,
and
K=10%)
C183,
184
CKPUYEF
223225
C272
:
CKPUYF
223225
560.Q
56:6
10
SSG)
etre
ernen
hs
ene
n
re
ee
eet
ks
reac
RD1/4PS[5][6][1]J
C185,
186
MYLOR
FILM
CAPACITOR
CQMA333J50
C273
ELECTR.
CAPACITOR
CEAS101M10
ATK
Q
-®
AT
X
10°
473
vere
eect
eee
e
teen
erent
eect
eee
es
RD1/4PS(4][7]|[3]J
C187,
188
MYLOR
FILM
CAPACITOR
CQMA561J50
274-276
CKPUYF
223225
O.5Q
—PORS
ceccecetcrrencneeec
eee
e
nen
e
enn
eneneeneeeces
RN2H
[o[RI[S]K
AEDs
—
ERAN
ON
aon
ewan
ee
reou
eu
eowtdeeh
nas
aaaeaaSreanes
RSIP[O][1][0]K
C189,
190
CKPUYF
223225
C277
ELECTR.
CAPACITOR
CEAS101M10
Ex.2
When
there
are
3
effective
digits
(such
as
in
high
precision
metal
film
resistors).
See
MYLOR
FILM
CAPACITOR
coun
ell.
BLECTR.
CAPACITOR
eae
DAZE
S562
K
LO
TEBOEL
cerrth
ath
esate
hr
ner
erase
a
RN1/4SR[5][6][2][L]F
C198
ELECTR.
CAPACITOR
CEASIO1M10
C280
CKPUYF
223225
C199
CCPUSL220J50
C281
ELECTR.
CAPACITOR
CEAS1O1M10
Mark
No.
Symbol
&
Description
PartNo.
Mark
No.
Symbol
&
Description
PartNo.
c200
CKPUYF223225
C282
CKPUYF223225
201
ELECTR.
CAPACITOR
CEAS101M10
C283
ELECTR.
CAPACITOR
CEAS101M10
MAIN
UNIT
ouce
:
C202
CKPUYF223725
C284
CEANP4R7M16
écHiGONDUETORE
A
slo
RSG1028
203,
204
ELECTR.
CAPACITOR
CEAS1O1M10
C285
ELECTR.
CAPACITOR
CEASATOM16
an
ree
SoieiairEne
C205,
206
CKPUYF223225
C286
ELECTR.
CAPACITOR
CEAS101M10
elias
see
Set
eit
erro
(207
ELECTR,
CAPACITOR
CEAS101M10
C287
CKPUYF223Z25
ie
aes
ena
ae
208
MYLOR
FILM
CAPACITOR
CQMAS63J50
C289
CKPUYF
223225
ee
Pens
F
VTH1012
209
ELECTR.
CAPACITOR
CEAS100M50
C290
CERAMIC
CAPACITOR
CKCYF103Z50
re
are
GapacriORS
C210
ELECTR.
CAPACITOR
CEAS101M10
C291,
292
ELECTR.
CAPACITOR
CEAS101M10
5
C211
CKPUYY103N16
C293,
294
CKPUYF
223225
101
CERAMIC
CAPACITOR
CKCYF473Z50
ae
NJU4053ED
ewecue
ean
Sree
ranarbck
(212
CERAMIC
CAPACITOR
CCCCH270J50
C295,
296
ELECTR.
CAPACITOR
CEAS222N16
i
BA15218
C106,
107
ELECTR.
CAPACITOR
CEAS1O1M10
C213
CERAMIC
CAPACITOR
CCCCH220J50
C297
ELBCTR.
CAPACITOR
CEAS101§10
IC
f
NJU4053BD
C118,
119
CKPUYF
223225
C214
CKPUYY103N16
C298,
299
CKPUYE223Z25
rae
18
eee
C120,
121
MYLOR
FILM
CAPACITOR
=
OQMA222J50
C215
ELECTR.
CAPACITOR
CEAS1O1M10
(300-302
CERAMIC
CAPACITOR
CKCYF103Z50
C216
ELECTR.
CAPACITOR
EAS]
as
eaiasies
RC.
CEASLOOMS0
C305
CERAMIC
CAPACITOR
CKCYF473Z50
an
ie
oe
ie
sean
rime
C217
CKPUYY103N16
306-308
ELECTR.
CAPACITOR
CEAS100M50
J
.
CEAS101M10
(218-220
ELECTR.
CAPACITOR
CEAS1O1M10
309
ELECTR.
CAPACITOR
CEAS101M10
10122
PCM54HP
C126
ELECTR.
CAPACITOR
CEAS100M50
(221
CKPUYF
223225
C310,
311
CKPUYY103N16
ca
eras
C127
CKPUYB331K50
(222
ELECTR.
CAPACITOR
CEAS1O1M10
C313
CKPUYY103N16
.
pian
epee
Sisvass
(223,
224
ELECTR.
CAPACITOR
CEASO10M50
C314
CCPUSL220J50
1C125
D/A
CONVERTER
LC7881-C
C129
ELECTR.
CAPACITOR
CEAS101M10
225,
226
CKPUYP223725
C315
CKPUYY103N16
ree
Grae
aa
ey
cricaee
Soa
C227,
228
MYLOR FILM
CAPACITOR
CQMA153J50
C316,
317
CERAMIC
CAPACITOR
CKCYF
103250
a
at
re
3
iL
anes
CEAS101M10
(229,
230
MYLOR
FILM
CAPACITOR
CQMA273J50
(319-322
CKPUYB102K50
re
MOK4164AP-15
C136
R
CKPUYB101K50
C231,
232
MYLOR FILM
CAPACITOR
CQMA222J50
C323
CKPUYY103N16
TR9393
C233,
234
CKPUYF
223225
C137
ELECTR.
CAPACITOR
CEAS100M50
RESISTORS
A
1C134
REGULATOR
IC
NJMT8MOSFA
C138,
139
CKPUYF223Z25
235,
236
MYLOR
FILM
CAPACITOR
CQMA223J50
R101-109
CARBONFILM
RESISTOR
RD1/6PMCI
OCS
A
1C135
REGULATOR
IC
NJMT8MO6FA
C140,
141
ELECTR.
CAPACITOR
CEASLOOMS0
(237,
238
MYLOR
FILM
CAPACITOR
CQMA122J50
R126-129
CARBONFILM
RESISTOR
RD1/6PMCILIC
A
1C136
REGULATOR
IC
NJM79MO6FA
C142
MYLOR
FILM
CAPACITOR
CQMA393J50
239,
240
CKPUYF
223225
R132-267
CARBONFILM
RESISTOR
RD1/6PMLIOILIJ
A
1C137
REGULATOR
IC
NJMT9MOSFA
C143
MYLOR
FILM
CAPACITOR
CQMA104J50
(241,
242
MYLOR
FILM
CAPACITOR
CQMA563J50
Q106,
107
TRANSISTOR
XDC124ES
C243,
244
CKPUYB331K50
OTHERS
C144
MYLOR
FILM
CAPACITOR
CQMA272J550
CN103, 104
B8P-MQ
Q108,
109
TRANSISTOR
XDA124ES
C145
CKPUYF223Z25
(245-248
CKPUYF
223225
JA101,
102
JACK
RKB1
001
Q110
TRANSISTOR
XDC124ES
C146
MYLOR
FILM
CAPACITOR
CQMA124J50
C249,
250
ELECTR.
CAPACITOR
CEASO10M50
X101
¥SS1015
QL11,
112
TRANSISTOR
28D1302
C147
MYLOR
FILM
CAPACITOR
CQMA102J50
C251
CEANPARTM16
x102
-
RSS1030
Q113,
114
TRANSISTOR
2SC2058S
C148
CKPUYF223Z25
C252
CCPUSL220J50
Q115
TRANSISTOR
2SC1740S
C253
ELECTR.
CAPACITOR
CEAS101M10
D101-104
DIODE
18S254
149-153
MYLOR
FILM
CAPACITOR
CQMA472J50
C154,
155
CKPUYF
223225
C254
MYLOR
FILM
CAPACITOR
D117-125
DIODE
18S254
C158,
159
AXIAL
CAPACITOR
CKPUYB101K50
C255
MYLOR
FILM
CAPACITOR
ponte
A
D126-129
DIODE
1SR139-100
C160,
161
ELECTR.
CAPACITOR
CEAS100M50
(256,
257
MYLOR FILM
CAPACITOR
CQMA104J50
D130
DIODE
18$254
C164,
165
ELECTR.
CAPACITOR
CEASIOIM10
C258
ELECTR.
CAPACITOR
CEANPRATMSO
D131
MTZ6.
8B
-
C259
MYLOR FILM
CAPACITOR
CQMA472J50
21
22

Mark No. Symbol & Description
MCAB UNIT
SEMICONDUCTORS
10501-503
10504
Q501-503 TRANSISTOR
D501, 502 DIODE
CAPACITORS
C501 ELECTR. CAPACITOR
C502 AXIAL CAPACITOR
C503 ELECTR. CAPACITOR
C504 ELECTR. CAPACITOR
C505
C506 MYLOR FILM CAPACITOR
C507
C509 MYLOR FILM CAPACITOR
C510
C511 ELECTR. CAPACITOR
C512 ELECTR. CAPACITOR
C513 ELECTR. CAPACITOR
C514 AXIAL CAPACITOR
C515, 516 ELECTR. CAPACITOR
C517
C518 MYLOR FILM CAPACITOR
C519 MYLOR FILM CAPACITOR
C520 MYLOR FILM CAPACITOR
C521
C522 ELECTR. CAPACITOR
C523 ELECTR. CAPACITOR
C524 ELECTR. CAPACITOR
C525 ELECTR. CAPACITOR
C526
C527-530
RESISTORS
R501-526 CARBONFILM RESISTOR
¥R501~503 (10kB)
VR504 (50kB)
VR505 (100kC)
OTHERS
CN501
MCJB UNIT
SEMICONDUCTORS
1C401, 402
CAPACITORS
- €401-403
C404-406 MYLOR FILM CAPACITOR
C407-409 ELECTR. CAPACITOR
C410-412
C413-415 ELECTR. CAPACITOR
C416
C417
C418
C419
C420 CERAMIC CAPACITOR
Part No.
BA15218N
NJU4053BD
XDC124ES
188254
CEASO10M50
CKPUYB101K50
CEAS010M50
CEASIO1M10
CKPUYF223225
CQMA182J50
CKPUYF223225
CQMA103J50
CKPUYB331K50
CEASO10M50
CEAS101M10
CEAS100M50
CKPUYB101K50
CEASO10M50
CKPUYF223Z25
CQMA472J50
CQMA104J50
CQMA103J50
CKPUYB331K50
CEAS100M50
CEAS101M10
CEASO10M50
CEASI01M10
CKPUYF 223225
CKPUYY103N16
RD1/6PYOOO
RCV1054
RCV1056
RCV1055
O9MQ-ST
BA15218
CKPUYX222M16
CQMAS63J50
CEJAQ10M50
CKPUYB102K50
CEJAQ10M50
CKPUYF 223225
CEJA470M6R3
CKPUYF2232Z25
CEJA47OM6R3
CKCYF 473250
‘Mark No. Symbol & Description
C421 CERAMIC CAPACITOR
RESISTORS
R401-418 CARBONFILM RESISTOR
OTHERS
CN401
JA401-403 MIC JACK
JA404 MINI JACK
SWLB UNIT
SEMICONDUCTORS
1C601
Q601 TRANSISTOR
D601, 602 DIODE
D603-605
D606
D607-610
D611
D612-615
D616
SWITCHES
$601-606 SWITCH
S607-609
CAPACITORS
C601
RESISTORS
R601-616 CARBONFILM RESISTOR
OTHERS
CN601, 602
CNB1 UNIT
OTHERS
CN701, 702
Part No,
CKCYF103Z50
RD1/6PMIUIO
O9MQ-ST
VKN1074
VEN1076
SNTALS145N
XDC124ES
188254
SLH-34VC35H3
SLH-34YC35H3
SLR-320VC3F
SLR-320YC3F
SLR-320VC3F
SLH-34VC35H3
RSG1032
RSG1010
CKPUYF223Z25
RD1/6PMOICIDS
O8MQ-ST
BOP-MQ
23

7. PANEL FACILITIES
POWER
@ POWER switch / indicator
Pressing
the
switch
supplies
the
power
and
lights
the
indicator.
Pressing
it
once
again
turns
off
the
power
and
puts
out
the
indicator.
NOTE:
The unit’s POWER. switch is geared to selecting the
transformer’s secondary and even at the STANDBY position,
the unit's circuitry will work as long as the power cord is
connected to power outlet.
@ KEY CONTROL button / indicator
H: Pressing this button once moves the pitch of the music
source a half-step higher when it is too low to accompany
your vocals, (max. 4 steps)
-] : Pressing this button returns the pitch to the original level.
b : Pressing this button once moves the pitch of the music
source a half-step lower when it is too high to accompany
your vocals. (max. 4 steps)
@ MULTIPLEX / STEREO button / indicator
To select a multiplex source, press this button to change the
mode to multiplex. To select a stereo source, press the button to
change the mode to. stereo. The indicator lights in the multiplex
mode.
@ STEREO ONE TOUCH KARAOKE button /
indicator
When an ordinary vocal-recorded stereo source is used, pressing
this button converts the source into a multiplex source (the
indicator lights), and the MULTIPLEX BALANCE and VOCAL
PARTNER functions are available. (The STEREO ONE TOUCH
KARAOKE function can be utilized only when the MULTIPLEX /
STEREO indicator is not lit.)
This function is not usable for a monaural source.
©) Vocal Partner button / indicator
When a multiplex source is played back in the multiplex mode,
pressing this button activates the VOCAL PARTNER function.
The original vocal is automatically suppressed when you are
singing, but it automatically returns to help you if you come to a
standstill in the middle of the text.
You can enjoy singing a duet with the original vocals. When an
ordinary stereo source is used, pressing the STEREO ONE-
TOUCH KARAOKE button and then this button converts the
source into a multiplex source for added KARAOKE enjoyment.
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© TAPE PLAY / REC button / indicator
Pressing this button plays back a cassette tape on the cassette
deck connected to the MA-9. (The indicator lights.) The indicator
must remain unlit or you cannot perform tape-recording on 4
cassette deck.
@ Vocal Equalizer button
Pressing this button creates a clear and rich vocal sound over a
wide range.
MIC 3 ECHO button
Pressing this button turns the echo effect ON/OFF only for MIC 3.
When using the microphone for a master of ceremonies, you can
turn off the echo effect.
@ MULTIPLEX BALANCE knob
When a multiplex source is used in the multiplex mode to play
KARAOKE, turning this knob controls the volume of the original
vocal. Turning it counterclockwise to the end plays back only the
music source, and turning it clockwise decreases the volume of
the original vocals gradually.
MIC ECHO knob
Turning this knob clockwise adds echo effects to all the vocals on
all microphones.
@ MIC VOLUME CONTROL knobs
Turning these knobs adjusts the volume of the microphones
connected to the MIC jacks.
@ MIC CONTROL jack
When the microphone cum the KEY CONTROL switch (DM-
V161) is used, connect its contro! plugs with this jack. You can
change
the
pitch
of
the
music
source
using
the
switch
on
the
microphones at hand.
@ MIC jacks
Insert the microphone plugs into these jacks
NOTE:
If plugs are not inserted fully, the microphones do not function.

8. SPECIFICATIONS
INPUT terminals (sensitivity / impedance)
A Cisesveebatecsitcces Seiaedsenstaeesstescuieasevons cswesapbeess 1m V/40 kQ
LINE, TAPE 150m V / 50 kQ
OUTPUT terminals (output level /.output impedance)
LINE, TAPE emcee manner ener ee ees ever nenetsseecterescaseer 150m Vv / 1 kQ
SN ratio (EIAJ)
MIC Sie'sie.g'n's sie Sisie'e'bi6'6.9 690 044 eee pe vw eo6 visio yOu os ee cle, e we ee eis 8oe chy oc4iee sete 72 dB
LINE, TAPE Pelawal¥.n'a,d'4. 6,0:6-6 8 e168 6.¥:0:5.0: 59 Hie orp. b'6)6.0'9\0;6 Sab vg.sie sola eee 6:5 FE noe 8180 85 dB
Microphone maximum allowable input
(1 kHz, distortion factor 19%) scrrcssseeeceeeereeeeee ee eeeeeeeeee 150m V
Echo reverberation time Wbbistda diners cepa euisle ma ensceseneeeees Oo-— 1.5 sec
Power supply PESTLE TET RKTT iar
AC 110 V/120~127 V/220V/240V (switchable), 50/60 Hz
Power Consumption ---1--s:rreeereeeeeeeeereeseeeeeeeeees a Serdbaicis Makebiels 7W
Spare outlet------ Power-switch-non-coupling type (Max. 100 W)
Dimensions (W x H x D) crrrsrssreretes este eeees 420 x 85 x 336 mm
AVY] 9 | Se 3.2 kg
Accessories
Operating instructions x 1
“HOW TO ENJOY KARAOKE” x 1
Connecting cord x 2
NOTE:
Specifications and design subject to possible modification with
out notice, due to imposible.
25