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  9. Pioneer MA-9 User manual

Pioneer MA-9 User manual

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2

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®)
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
ee
howe:
ae.
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)
Uv
x|
sl
5
oO
2
pe}
3
=
~<
oO
x
x]
x
<
wo
<
»
|
|
fal
|
pe
aes
es
De!
Oa
ee Oe
pu
gy
ea
fee
ee a)
Pe
a
Or
od
eI
4
PECEEE
PRY
E
af
E
E
eee
|
|
EEE
ER
Ea
Be
Be
elle
E
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
———X
+6V
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:
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y
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cis8
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100p
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2
e
cia
R179
$
RANG
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VASEASOS
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NaUsO8380
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|
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3
560
|
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|
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MC
LEVEL
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yr
89,
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is
413
100k.
l
yer
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2
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"
BP
R404
2846
fol
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|
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aa
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7,
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1000p
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ng
:
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=
9
3
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|
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|
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le
1750
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lott
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MIC3 ECHO
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vases
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mies
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sa
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ECHO
LEVEL
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Ww
UMAKA
ON/OFF
_
?
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can
|
0.022
Sor
WARI
ix
foe
1000p
|
.
KOMI
VOCAL
ON/OFF
:
os
[|
1C504
:
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I
ICL
mM
C
MIXING
ee
RINE
MUTE
fist
sy,
MIC
AMP
61
—X
+6V
——~<
+6V
>—
Lae
>
5
Sw
p<
TAPE
PLAY/REG>
oe
1750
oka
IC504
:
NUU4053BD
=.
a
[$3]
OA
3
3
:
2
hea
7
Vso
y
525
4|
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C512
BALANCE
©
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=
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ECHO
ON/OFF
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esas
ago
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AMP
100/10
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=
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28h
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BAIS2Z18N
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1C107
°VCA
CONTROL
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|
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BAI5218N
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109
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UNIT
Indicated
in
2,
1/4W, 1/6W,
1/8W,
5%!
tolerance
unless
ere
Pa
GV
recy
1c601
otherwise
noted
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72
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the
safety
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the
part.
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when
R601
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fat
replacing,
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sure
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marked
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resistors
have
parts
numbers,
601
i
1¢-
This
is
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basic
schematic
diagram,
but
the
actual
circuit
may
vary
due
to
improvements
in
design,
5.
SWITCHES
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indicates
switch
position)
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unit
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$602:
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$603:
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11
1-
P.C.B.
pattern
diagram
ee
part
ee
races
Transistor
Ceramic
capacitor
Mylar
capacitor
Styrol
capacitor
a
0
S|
O
Electrolytic
capacitor
=
(Non
polarized)
Electrolytic
capacitor
(Noiseless)
Electrolytic
capacitor
S
ye
if
{Polarized}
Electrolytic
capacitor
(Polarized)
0
:
O
Power
capacitor
Semi-fixed
resistor
O
Sa
[a
Se]
1.
This
P.C.B.
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..
The
transistor
terminal
marked
with
[3
shows
emitter,
14
|
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