Akai GX-230D User manual

SERVICE
MANUAL
SUE
QUALITY
AKAI
STEREO:
TAPE
DECK
ALSO
APPLICABLE
TO
MODEL
GX-230

STEREO
TAPE
DECK
move,
GX-230D
ALSO
APPLICABLE
TO
MODEL
GX-230
SECTION.1
SERVICE
MANUAL
..................000005
1
SECTION
2
.
PARTS
LIST
..........
06.0.2...
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23
SECTION
3
SCHEMATIC
DIAGRAM
...................64
44

SECTION
1
SERVICE
MANUAL
TABLE
OF
CONTENTS
E..
GSPECIFICATIONS
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2
Il.
DISMANTLING
OF
UNIT
............
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cence
cece
eee
eeeeeeeeees
4
Il.
ARRANGEMENT
OF
MAIN
PARTS
.............
0.00
cceececceceeeseeeeeeees
6
IV.
MECHANISM
ADJUSTMENT
.......0.000000
00.
ccceeecccceeeeeseeeeeeeees
7
1.
ADJUSTMENT
OF
PINCH
WHEEL
PRESSURE
............00
ccc
eeeeeceueee
7
2.
BRAKE
TENSION
ADJUSTMENT
...........0.
0.0.0
cceceeceeeeeeeeeeeues
8
3.
ADJUSTMENT
OF
REEL
TABLE
HEIGHT
................000ceeeceeseeeee
9
4,
ADJUSTMENT
OF
CAPSTAN
MOTOR
SHAFT
LOOSE
PLAY
............00000
9
5,
ADJUSTMENT
OF
IMPEDANCE
ROLLER
SHAFT
LOOSE
PLAY................
10
6.
HEIGHT
ADJUSTMENT
OF
TAPE
GUIDE
ON
TENSION
ARM
.................
10
7,
ADJUSTMENT
OF
TENSION
ARM
MICROSWITCH
SW-9
POSITION..............
11
8.
ADJUSTMENT
OF
RECORDING
SLIDE
SWITCH
(SW-10)
TIMING
...............
7
9,
ADJUSTMENT
OF
FF
MICROSWITCH
(SW-5)
ACTUATOR
POSITION
............
12
10,
ADJUSTMENT
OF
PLAY
MICROSWITCH
(SW-7
and
SW-11)
ACTIVATOR
POSITION
......
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ADIUSTMENT
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13
VI.
AMPLIFIER
SYSTEM
ADJUSTMENT
.
0.00000...
00.00
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15
1.
POWER
SUPPLY
VOLTAGE
ADJUSTMENT
...........
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ceccececucceeeee
15
Bs
TAPE’
SPEED
ADJUSTMENT
scious
tac
sire
is.
2
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Wed
cr
heed
eared
15
3.
RECORDING,
PLAYBACK
AMPLIFIER
ADJUSTMENT
.................-000-.
16
VII.
D.C.
RESISTANCE
OF
VARIOUS
COILS
........0.
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17
VII.
CLASSIFICATION
OF
VARIOUS
P.C.
BOARDS
............
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cece
eeeeueeeee
17
1,
P.C.
BOARD
INTERCHANGEABILITY
CHART
..
0.0...
0.00
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cee
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V7
2.
COMPOSITE
VIEWS
OF
COMPONENTS
.........0..
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18
For
basic
adjustments,
measuring
methods,
and
operating
principles,
refer
to
GENERAL
OPERATING
PRINCIPLES
AND
ADJUSTMENTS.

Il.
SPECIFICATIONS
An
asterisk
next
to.a
figure
indicates
the
minimum
guaranteed
performance.
TRACK
SYSTEM
4
track
2
channel
stereo
system
TAPE
SPEED
"7-1/2
and
3-3/4
ips.
0.7%
*7-1/2
ips.
(19
cm/sec.)
1.0%
*3-3/4
ips.
(9.5
cm/sec.)
1.5%
WOW
&
FLUTTER
Less
than
0.07%
RMS.
at
7-1/2
ips.
Less
than
0.1%
RMS.
at
3-3/4
ips.
*Less
than
0.10%
at
7-1/2
ips.
FWD
*Less
than
0.12%
at
7-1/2
ips.
REV
*Less
than
0.15%
at
3-3/4
ips.
FWD
*Less
than
0.18%
at
3-3/4
ips.
REV
TOTAL.WOW
&
FLUTTER
*Less
than
0.12%
at
7-1/2
ips.
*Less
than
0.18%
at
3-3/4
ips.
FREQUENCY
RESPONSE
30
to
23,000
Hz
+3
dB
at
7-1/2
ips.
(with
Akai
LN
Tape)
30
to
19,000
Hz
+3
dB
at
3-3/4
ips.
(with
Akai
LN
Tape)
30
to
22,000
Hz
+3
dB
at
7-1/2
ips.
30
to
18,000
Hz
+3
dB
at
3-3/4
ips.
DISTORTION
Less
than
1.0%
TOTAL
DISTORTION
Less
than
1.5%
at
7-1/2
ips.
Less
than
2.5%
at
3-3/4
ips.
S/N
RATIO
Better
than
54
dB
*Better
than
50
dB
TOTAL
S/N
RATIO
*Better
than
45
dB
OUTPUT
LINE
0.775V
(0
£1
dB/O
+1.5
dB,
FWD/REV)
700
Hz
“0”
VU
Prerecorded
tape,
output
volume
maximum.
DIN
0.5V
INPUT
MIC
More
than
0.3
mV
LINE
More
than
70
mV
DIN
More
than
3
mV
(at
“0”
VU
output,
recording
volume
maximum).
RECORDING/PLAYBACK
LEVEL
0.775V
(0
1.5
dB)
CROSS
TALK
Better
than
40
dB
(1,000
Hz
+3
VU
recording)
ERASE
RATIO
Better
than
70
dB
(1,000
Hz
+3
VU
recording)
RECORDING
BIAS
FREQUENCY
100
+10
kHz
BIAS
LEAK
Better
than
—30
dB
HIGH
FREQUENCY
DEVIATION
Within
3
dB
(8,000
Hz,
3-3/4
ips.
tape
at
7-1/2
ips.)
RECORDING
TIME
90
minutes,
stereo
recording,
using
a
1,800
ft.
tape
at
7-1/2
ips.
FAST
FORWARD
AND
REWIND
TIME
Approximately
120
seconds,
using
a
1,800
ft.
tape
at
50
Hz.
MOTOR
MAIN
MOTOR
2
speed
A.C.
Servo
Control
Outer
Rotor
Motor
Type:
SCM2-24KJ,
4
pole
Revolutions:
615
r.p.m.
at
7-1/2
ips.
(19
cm/sec.)
307.5
t.p.m.
at
3-3/4
ips.
(9.5
cm/sec.)
REEL
MOTOR
Two
6-pole
eddy
current
Outer
Rotor
Motors
Type:
24XO-MR
Revolutions:
930
r.p.m.
at
50
Hz
1,120
r.p.m.
at
60
Hz
HEAD
COMBINATION
RECORDING/ERASE
HEAD
PLAYBACK
HEAD
Type:
RE4-6
Gap:
Rec:
4u
Erase:
Double
Gap
Impedance:
Rec:
1,400
ohm
+25%
at
100
kHz
Erase:
130
ohm
+7%
at
100
kHz
D.C.
Resistance:
Rec:
5.5
ohm
Erase:
1.8
ohm
Type:
P4-202
Gap:
1.74
0.54
Impedance:
1,400
ohm
at
1
kHz
D.C.
Resistance:
268
ohm

TRANSISTOR
28A564(P)(Q)
...
1
28SD361(D)(E)...
1
2SC458LG(C)
...
16
28D361(D1)(D2)...1
28C945(P)(Q)
...
20
T1P48...1
28C1247A
...1
DIODE
IN34A
...2
18-1588
...1
10D0S...4
18-2473VE...1
10D1...1
RD-SA(M)...1
10D2...4
5B2...
1
(GX-230
only)
10D4...5
LC.
:
STK-015
. .
.
2
(GX-230
only)
POWER
SUPPLY
AND
POWER
CONSUMPTION
100
to
240V
A.C.
50/60
Hz,
90W
Universal
Models
240V
A.C.
50
Hz,
90W
BSI
Models
220V
A.C.
50
Hz,
90W
CEE
Models
120V
A.C.
60
Hz,
90W
CSA
Models
100V
A.C.
50/60
Hz,
60/65W
JPN
Models
Recorder
Type;
120W
DIMENSIONS
441(W)
x
404(H)
x
210(D)mm
(17.4"
x
15.9"
x
8.3")
Dimensions
include
all
protruding
parts.
WEIGHT
GX-230D
.
15.2
kg
(33.4
Ibs.)
GX-230
16.7
kg
(36.7
Ibs.)
NOTES:
1.
Specifications
determined
with
Scotch
#211
tape
unless
otherwise
noted.
2.
Specifications
Subject
to
change
without
notice.

il.
DISMANTLING
OF
UNIT
In
case
of
trouble,
etc.
necessitating
disassembly,
please
disassemble
in
the
order
shown
in
photographs.
Reassemble
in
reverse
order.
SCREWS
NULL
Ray
1
ct
a
{nh
CASE
BLOCK
CONTROL
KNOBS
MECH.
AMP.BLOCK
FRONT PANEL
|
ADJUSTMENT

SCREWS.
AMP.
BLOCK
"
MECH.BLOCK

Hl.
ARRANGEMENT
OF
MAIN
PARTS
FAST
2
SW6
OPERATION
SW2
PLAY
SOLENOID
SLi
PLAY
SW4
HEAD
ASSEMBLY
BLOCK
IMPEDANCE
ROLLER
9
POWER
SWI
TENSION
SW:
MONITOR
SW
|
oe
TAPE
SPEED
SW2,1/2
PAUSE
SW8
TAPE
SELECTOR
SWi{
RIGHT
REEL
MOTOR
LEFT
REEL
MOTOR
POWER
TRANSFORMER
SERVO
CONTROL
PC.
BOARD
MY-—2036
PLAY
SW7,
il
POWER
SUPPLY
RC.
BOARD
MY~
2037
FF
sw5
MAIN
MOTOR
REC.
SW.
PC.
BOARD
MY-
2044
PB,
AMP,
RC,
BOARD
MY-5SO17
OSC,
&
REC.
AMP_
RC.
BOARD
MY~50i6

IV.
MECHANISM
ADJUSTMENT
LEFT
REEL_TABLE
SW-4
ACTUATOR
"AT
STOP
MODE"
Fig.2
.
ADJUSTMENT
OF
PINCH
WHEEL
PRES-
SURE
(Refer
to
Figs.
1
and
2)
1)
Unfasten
Microswitch
(SW-4)
Activation
Adjust-
ment
ScrewsC
andC’.
-
2)
At
play
mode,
confirm
that
Brake
Lever
A
and
Brake
Lever
B
are
placed
at
a
180°
angle
in
relation
to
each
other.
If
necessary,
adjust
the
angle
by
changing
Play
Solenoid
(SL-1)
position.
3)
Adjust
pinch
wheel
pressure
to
1.5
+0.1
kgr-cm
by
re-positioning
Plate
A
and
Angle
B.
BRAKE
LEVER
B
‘Toa
BRAKE
LEVER
A
eS
SCREW
C
SCREW
C'
CAPSTAN
SHAFT
PINCH
WHEEL
RIGHT
REEL
TABLE
4)
Then,
at
stop
mode,
fasten
screws
C
and
C’
so
that
the
clearance
between
the
body
of
Microswitch
SW-4
(with
time
delay)
and
the
actuator
of
the
microswitch
is
approximately
0.5
mm
as
shown
in
Fig.
2.

X%
350
9r-cm
Fig.
3
BRAKE
BAND
SUSPENSION
METAL
BRAKE
BAND
SPRING
SUSPENSION
METAL
BRAKE
LEVER
CLOTH
TAPE
BRAKE
BAND
X
Confirm
that
both
are
completely
separate
Fig.
4
2.
BRAKE
TENSION
ADJUSTMENT
(Refer
to
Figs.
3
and
4)
1)
As
shown
in
Fig.
3,
use
a
60mm
diameter
tape
the
position
of
the
Spring
Suspension
Metal
or
wound
on
a
5”
reel
and
set
both
left
and
right
replace
the
spring.
brake
tension
to
approximately
350
gr-cm.
3)
At
all
modes
except
stop
mode,
confirm
that
Deviation
of
left
and
right
tension
must
be
within
neither
of
the
brake
bands
touch
the
cloth
tape
50
gr-cm.
’
around
the
brake
drums.
2)-Brake
tension
can
be
adjusted
by
changing
posi-
tion
of
the
Suspended
Spring.
If
necessary,
change

REEL
REEL
TABLE
FIXATION
SCREWS
ff
sa
ay
a
eee
==!
(seh
eae
A
PO
RES
lie
Fig.
5
MAIN
MOTOR
THRUST
SUPPORT
ANGLE
ADJUSTMENT
WASHER
(U
TYPE
)
AAA
A
A
A
AAA
A
A
AAA
AA
AA
AAA
AA
AAA
AAA
A
A
AAA
IAA
AAA
A
AAA
AAA
A)
CAPSTAN
SHAFT
%
Move
by
hand
3.
ADJUSTMENT
OF
REEL
TABLE
HEIGHT
4.
ADJUSTMENT
OF
CAPSTAN
MOTOR.
(Refer
to
Fig.
5)
SHAFT
LOOSE
PLAY
1)
Properly
load
a
tape
and
move
the
reel
table
as
As
shown
in
Fig.
6,
adjust
the
loose
play
by
inserting
-
indicated
by
the
arrow
mark
in
Fig.
5.
an
adjustment
washer
(U
type)
to
obtain
a
0.3
to
-
2)
Fasten
Reel
Table
Fixation
Screws
to
maintain
0.5
mm
degree
of
loose
play
when
the
capstan
shaft
is
optimum
position
at
F.
FWD
and
RWD
modes.
moved
by
hand.
NOTE:
Tape
should
wind
on
center
of
ree)
regard-
less
of
type
reel
used.

X
O1
to
0.3mm
Fig.
7
TENSION
ARM
ie
ADJUSTMENT
—_
ma
i
[>
ADJUSTMENT
WASHER
(U
OE
Ces
a
>
WASHER
(U
TYPE)
%
Lower
the
guide
%
Lift
Hg
guide
slightly
ea
Ee
ssf
Gees
;
Fig.
8
5.
ADJUSTMENT
OF
IMPEDANCE
ROLLER
6.
HEIGHT
ADJUSTMENT
OF
TAPE
GUIDE
SHAFT
LOOSE
PLAY
(Refer
to
Fig.
7)
ON
TENSION
ARM
Adjust
by
turning
adjustment
screws
A
and
B
to
Adjust
the
height
of
Tape
Guide
on
Tension
Arm
by
obtain
a
0.1
to
0.3
mm
degree
loose
play
when
the
inserting
an
adjustment
washer
(U
type)
as
shown
in
shaft
is
moved
by
hand.
Fig.
8
so
that
tape
travels
on
the
center
of
the
tape
guide.
NOTE:
Both
A
and
B
screws
must
be
tightened
after
this
procedure.
10

Switch
point
TENSION
ARM
for
microswitch
X
Approximately
3.0mm
MICRO
SWITCH
SW9
(TENSION
SW.
)
Fig.
9
SLIDE
SWITCH
ACTIVATOR
ANGLE
%
Bend
this
part
SPRING
REC.
PUSH
BUTTON
BACK
PART
X
Just
contacts
%
Including
back
rush
allowance
SLIDE
SWITCH
SLIDER
Fig.
10
7.
ADJUSTMENT
OF
TENSION
ARM
MICRO-
8.
ADJUSTMENT
OF
RECORDING
SLIDE
SWITCH
SW-9
POSITION
SWITCH
(SW-10)
TIMING
Confirm
that
the
microswitch
operates
at
the
position
-As
shown
in
Fig.
10,
adjust
the
switch
timing
by
indicated
in
Fig.
9.
If
necessary,
move
the
micro-
bending
the
slide
Switch
Activator
Angle
so
that
the
switch
to
obtain
optimum
position.
slide
switch
slider
just
comes
in
contact
with
the
back
part
of
the
slide
switch.
At
this
time,
the
REC
Push
Button
is
fully
depressed.
11

SWITCH
LEVER
*%
O3mm
or
just
contacts
PLAY
MICRO
SWITCH
(SW-7
&
SW-I1)
%
Approx.
|,0mm
ACTIVATOR
9.
ADJUSTMENT
OF
FF
MICROSWITCH
(SW-5)
ACTUATOR
POSITION
At
stop
mode,
move
the
microswitch
actuator
on
FF
Slide
Plate
so
that
the
clearance
between
the
actuator
and
the
body
of
the
microswitch
is
approximately
0.3
mm
or
just
comes
in
contact
as
shown
in
Fig.
11.
Fig.
11
1
Lit
wont
|
Fig.
12
10.
ADJUSTMENT
OF
PLAY
MICROSWITCH
(SW-7
and
SW-11)
ACTIVATOR
POSITION
As
shown
in
Fig.
12,
at
stop
mode,
move
the
microswitch
activators
on,
Play
Slide
Plate
so
that
the
Clearance
between
the
activator
and
the
porches
of
the
microswitches
is
approximately
1.0mm.
_

V.
HEAD
ADJUSTMENT
REV.
PLAYBACK
COMB(REC.
ERASE)
FWD.
PLAYBACK
HEAD
P4~202
HEAD
RE4~-6
ray
HEAD
P4-202
Fig.
13
NOTES:
1)
As
perfect
head
adjustments
are
vital
in
attaining
top
tape
deck
performance,
please
be
sure
that
these
adjustments
are
properly
carried
out.
2)
Be
careful
not
to
use
a
magnetized
screw
driver
or
other
magnetized
tools
in
the
vicinity
of
the
heads.
3)
Use
only
new
tape
as
level
variation
is
likely
to
occur
when
using
old
tape.
4)
Demagnetize
heads
with
a
Head
Demagnetizer
before
and
after
head
adjustment.

NOTE:
Set
tape
speed
to
7-1/2
ips.
when
making
all
alignment
adjustments.
14
Adjustment
Test
Tape
'
Adjustment
[
ier
Supply
Signal
Mode
Point
Reanahs
Fant
Upper
edge
of
ch.
1
head
core
and-the
Combination
Head
?
f
th
th
Height
Adjustment
optional
FWD
(A)(B)(C)
|
ee
edge
of
the
tape
are
the
same
|
eight.
;
Upper
edge
of
ch.
1
head
core
and
the
EWD
P
layback
Head
optional
FWD
(D)(E)(F)
upper
edge
of
the
tape
are
the
same
Height
Adjustment
:
height.
Lower
edge
of
ch.
1
head
core
and
the
peabd
Hay
be
es
Head
optional
REV
(G)(H)(D
lower
edge
of
the
tape
are
the
same
Height
Adjustment
:
height.
FWD
Playback
Head
8,000
Hz,
|
Azimuth
Alignment
3-3/4
ips
FWD
(F)
Maximum
output,
both
channels.
Adjustment
test
tape
FWD
Playback
Head
8,000
Hz,
Adjust
head
gap
surface
so
that
there
is
Gap
Alignment
3-3/4
ips
FWD
(ap)
no
change
in
output
level
when
tension
-
Adjustment
test
tape
is
applied
to
the
supply
reel
side.
REV
Playback
Head
8,000
Hz,
Azimuth
Alignment
3-3/4
ips
REV
6)
Maximum
output,
both
channels.
Adjustment
test
tape
REV
Playback
Head
8,000
Hz,
Adjust
head
gap
surface
so
that
there
is
Gap
Alignment
3-3/4
ips
REV
(K)
no
change
in
output
level
when
tension
Adjustment
-
test
tape
is
applied
to
the
supply
reel
side.
Combination
Head
Scotch
#211
tape
Azimuth
Alignment
15,000
Hz
REC
(C)
Maximum
output,
both
channels.
Adjustment
—20
dBm
Combination
Head
Scotch
#211
tape
Adjust
head
gap
surface
so
that
there
is
;
Gap
Alignment
15,000
Hz
REC
(L)
no
change
in
output
level
when
tension
Adjustment
—20
dBm
is
applied
to
the
supply
reel
side.

VI.
AMPLIFIER
SYSTEM
ADJUSTMENT
1.
POWER
SUPPLY
VOLTAGE
ADJUSTMENT
2.
TAPE
SPEED
ADJUSTMENT
VRI
KB
ADJUST
TO
24V
19cm/sec.
VRI
IOKB
Fig.
14
Adjustment
Point
Adjustment
Item
Test
Tape
Mode
Power
Supply
Voltage
Adjustment
VR11
kB
7-1/2
ips.
1,000
Hz,
7-1/2
ips
Result
24.0V
9,5cm/sec,
VR2
30KB
19
cm/sec.
+t
%
2.5em/sec.
+1.5%
Fig.
15
Remarks
Terminal
,
Power
Supply
P.C.
Board
Tape
Speed
VR110kB_
/1,000
Hz
+1.0%
Tape
Speed
7-1/2
ips.
2
test
tape
Adjustment
3-3/4
ips.
1
-1/2
ips.
Tape
Speed
S00
Hatch
2aps
VR230kB
|
500
Hz+1.5%
Tape
Speed
3-3/4
ips.
;
test
tape
Adjustment
15

—
nS
SASS
3.
RECORDING,
PLAYBACK
AMPLIFIER
ADJUSTMENT
vRI
VR3
9
-VR3b-
VR
R2
VR2b
50KB
2KB
=
2KB_
Ss
SOKB 20KB
ae
“™
i
NX
>
@
Q@@®
@
@
Test
Tape
Adjustment
Item
Supply
Signal
Playback
Level
‘Adjustment
700
Hz,
7-1/2
ips.
“O”
VU
test
tape
VU
Meter
Sensitivity
Adjustment
700
Hz,
7-1/2
ips.
“O”
VU
test
tape
Scotch
#211
tape,
1,000
Hz
“O”
VU
recording
Recording
Level
Adjustment
Adjustment
Point
Result
0
+1.0
dB
(0.775V)
VR1
50
kB
VR3
2
kB
“O”
VU
0+1.5
dB
(0.775V)
VR2
20
kB
Remarks
within
0
+1.5
dB
at
reverse
playback
Monitor
Switch
at
SOURCE
Scotch
#211
tape,
Frequency
Response
1,000
Hz
to
Re-adjust
recording
level
Adjustment
1,000
Hz,
10,000
Hz
C22
20P
16,000
He
fiat!
following
bias
adiustinent
—20
dBm
recording
Bias
Leak
Less.than
With
Monitor
Switch
at
TAPE
Adjustment
—30
VU
and
SOURCE
Positions.
NOTES:
1.
Tape
Speed
at
7-1/2
ips.
(19
cm/sec.)
2.
Tape
Selector
at
LOW
NOISE.
3.
Output
volume
maximum.
4.
New
test
tape
should
be
used.
5.
The
letter
b
following
an
adjustment
parts
number
indicates
“right
channel”.
16

Vil.
D.C.
RESISTANCE
OF
VARIOUS
COILS
[—
Part
Designation
D.C.
Resistance
|
i;
Between
BLU-RED
100
ohm
Main
Motor
SCM2-24KJ
Between
YLW-GRN
180
ohm
a
Pick-up
Coil
635
ohm
Between
BLU-RED
74
ohm
Reel
Motor
aa
Between
YLW-GRN
166
ohm
Play
Solenoid
1660
THT3
685
ohm
Shut-Off
Solenoid
0730
THT1
15
ohm
+10%
—
Relay
MY4-0-US-AD4
Dc24v_—
|
650
ohm
.
ts
e
Relay
MTS-2
980
ohm
Head
phone
T
N16-5358
Primary
565
ohm
+15%
Output
Transformer
Secondary
0.95
ohm
+15%
Between
1
-
3
0.3
ohm
Oscillator
Coil
OT-204
Between
4
-
6
0.7
ohm
Between
7
-9
268
ohm
L
Playback
Head
&
P4-202
268
ohm
Combination
RE46
Rec.
5.5
ohm
i
Rec./Erase
Head
Erase
1.8
ohm
NOTE:
Resistance
values
shown
in
this
chart
are
average
values.
Vill.
CLASSIFICATION
OF
VARIOUS
P.C.
BOARDS
1.
P.C.
BOARD
INTERCHANGEABILITY
CHART
[
P.C.
Board
GX-230D
GX-230
a
Relay
P.C.
Board
MY-0008
MY-0008
Servo
Control
P.C.
Board
‘|
My.2036
MY-2036
Power
Supply
P.C.
Board
{
MY-2037
MY-2037
REC.
SW.
P.C.
Board
MY-2044
MY-2044
Transistor
P.C.
Board
MY-2054
|
MY-2054
|
bese
Equalizer
P.C.
Board
MY-5014A,B
_
MY-5014A,B
Lamp
P.C.
Board
MY-5015
MY-5015
OSC.
and
Recording
Amp.
P.C.
Board
MY-5016
MY-5016
=
5a)
Playback
Amp.
P.C.
Board
MY-5017*
MyY-5017*
EE.
Main
Amp.
P.C.
Board
MS-5024
NOTE:
Asterisk
mark
indicates
“not
interchangeable”’.
17

2.
COMPOSITE
VIEWS
OF
COMPONENTS
1.
OSC.
and
Recording
Amp.
P.C.
Board
(MY-5016)
sf
yove
ANdNI
SNI)
Woes
ef
wove
SIW
WOuS
IMS
‘MS
YOLINON
OL
byoz—-AW
Guvos
‘Jd
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OL
ef
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LLINW
OL
8'v
bIOS-AW
aUvoa
"Od
MAZITYNO
OL
SISSVHO
OL
bpOz—-AW
Guvos
‘Od
‘MS
‘D3Y
OL
sf
eg
eee
(e+
svis)
et
"(os
Mz
6E8
Soon
z
Snm7ouo
%OO1-N-S1VW
WOus
br
xOve
AndNi
3NIN
Wout
er
your
ILINW
OL
vbv0Z-AW
GYVOe
-
a’v
los
-AW
gral
‘Od
“MS
‘95H
OL
‘Od
YaZIIWNOA
OL
gf
MOVE
NAW
OL
TMS
‘MS
YOLINOW
OL
SISSVHO
OL
ef
Hove
ILLINW
OL
@
210G-AW
Guvoa
2p
Hove
SIN
WOus
18
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