Akai AX80 Service Manual page 21

Programmable polyphonic synthesizer
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ATTENTION
1
.
When
placing
an
order
for
parts,
be
sure to
list
the
parts
no.
model
no.,
and
description
of each
part.
If
any
of
this
information
is
omitted,
there are instances in
which
parts
cannot
be
shipped
or the
wrong
parts
will
be
delivered.
2.
Please
be
careful
not
to
make
a
mistake
in
the parts no.
If
the
parts
no.
is
in error,
a part different
from
the
one
ordered
may
be
delivered.
3.
Because
part
numbers and
part definitions
and
supply
in
the Preliminary
Parts
List
may
have
been
the subject
of
chan.es,
p.ease
use
this
parts
.is,
for
a,,
future reference.
HOW
TO
USE
THIS
PARTS
LIST
1
.
This
Parts
List
shows
those
parts
which
are
considered necessary
for repairs.
Other
parts,
such
as resistors
and
capacitors,
are
shown
in
the
"Common
List for
Service Parts"
from which
these parts
should be
selected
and
parts.
2.
The
Recommended
Spare
Parts
List
shows
those
parts
in
the Parts
List
which
are
considered
particularly
important
for
service.
3.
Parts
not
shown
in
the Parts
List
and
"Common
List for
Service
Parts"
will
not
in principle
be
supplied.
4.
How
to read the parts
list
a)
Mechanism
Block
b)
P.C Board Block
2.
HEAD
BASE
BLOCK
6.
SYS.
CON.
P
C
BOARD BLOCK
PART
NO.
DESCRIPTION
BH-T2023A320A
HEAD
BASE
BLOCK
GX-F66R
HP-H2206A010A
HEAD
R/P
PR4-8FU C
ZS-477876
PAN20x03STL
CMT
ZS-536488
BID20x08STL
CMT
ZG-402895
CS
ANGLE
ADJUST
SPRING
SP
(Service Parts) Classification
-A
small
"x"
indicates
the
inability
to
show
that particular part
in
the
Photo
or
Illustration.
-This
number
corresponds with
the
in-
dividual parts
index
number
in
that figure
-This
number
corresponds with
the Figure -
Number
PART
NO.
BA-T2034A070A
EI-324536
EI-336801
EI-331661
EI-336725
ET
-200985
ET-554657
ED-318292
ED-308952
ED-318292
EI-318
L
318384
DESCRIPTION
PC
SYS
CON BLK
GX-F44R
IC
HD14049BP
IC
MB8841-564M
IC
SN7405N
IC
M54527P
TR
2SC2603
F,G
TR
2SA7 33A
P,Q
D
SILICON
H
1S247
3T-77
T26
D
GERMA
V
1K34A-LR
F07
D
SILICON
H
1S2473T-77
T26
OSC X'TAL
NC-18C
3.579545MHZ
SP
(Service Parts) Classification
-These
reference
symbols
correspond with
component
symbols
in
the
Schematic
Diagrams.
5.
The
kind of
part
and
its
installation
position
can
both be determined
by
the Part
Number.
To
determine
where
a
part
number
is
listed, utilize
the Parts
Index
at
the
end of
the Parts
List.
It is
necessary
first
of
all
to find the Part
Number.
This can
be accomplished
by
using the
Reference
Number
listed at
the
right
of
the part
number
in
the Parts
Index.
WARNING
A
INDICATES
SAFETY
CRITICAL
COMPONENTS.
FOR CONTINUED
SAFETY,
REPLACE SAFETY
CRITICAL
COMPONENTS ONLY
WITH
MANUFACTURE
S
RECOMMENDED
PARTS
AVERTISSEMENT
AIL
INDIQUE LES
COMPOSANTS
CRITIQUES
DE
SECURITE.
POUR
MAINTENIR
LE
DEGRE
DE
SECURITE
DE
L'APPAREIL,
NE REMPLACER QUE
DES
PIECES
RECOMMANDEES PAR
LE
20
PARTS
LIST AX80-

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