Fisher MT-250 User manual
Se
ee
oo
ee
134.093
40
(MT-250)
134093
41
(MT-1250)
WM-17146
CONTENTS
Arm
Feed
Cord
Stringing
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Cabinet
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Chassis
Exploded
View
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Parts
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Printed
Circuit
Board
(Bottom
View)
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9,10,11
P.C.
Board
Paris
List
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Semiconductor
Lead
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Point
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Point
Wiring
Diagram
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Schematic
Diagram:
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Signal
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19
ARM
FEED
CORD
STRINGING
Unit
Plate
Assy
Rail
_—
a
-
hig
_»®
Tie
the
wire
with
the
spring
Rotate
twice
so
as
to
be
extended.
Remove
the
frame
of
rail
and
pull
it
out
from
the
Unit
Plate
Assy,
then
lift
the
assy.
Follow
as
illustrated.
Ne
-
SPECIFICATIONS
Motor
DC
Servo
Drive
System
;
Beit
Wow
and
Flutter
(WRMS)
0.035
%
Rumble
(DIN
45539B)
—70dB
-
Speed
Variation
+1.5%
Platter
Diameter
296
mm
Y
Y
Record
Speed
Selector
:
33-1/3
rpm
/
45
rpm
Automatic
Functions
es
Yes
e
ails
Automatic
Tonearm
Return
at
End
of
Record
Yes
|
Yes
Manual
Functions
Tonearm
Data
Resonance
Effective
Length
|
130mm
re
ee
Power
Requirements
AC
220V
50Hz
Because
its
products
are
subject
to
continuous
improvement,
Fisher
Corporation
reserves
the
right
to
modify
product
designs
and
specifications
without
notice
and
without
incurring
any
obligation.
CABINET
&
CHASSIS
EXPLODED
VIEW
CABINET
&
CHASSIS
EXPLODED
VIEW
(continued)
Ref.
No.
ONOAahwon
=
ae
ee
ee
ee ee
ea
omnrbhwnr-
—~
©
_
CABINET
&
CHASSIS
PARTS
LIST
PRODUCT
SAFETY
NOTICE
Each
precaution
in
this
manual
should
be
followed
during
servicing.
Components
identified
with
the
IEC
symbol
A\
in
the
parts
list
and
the
schematic
diagram
designate
components
in
which
safety
can
be
of
special
significance.
When
replacing
a
component
identified
with
A\,
use
only
the
replacement
parts
designated,
or
parts
with
the
same
ratings
of
resistance,
wattage
or
voltage
that
are
designated
in
the
parts
list
in
this
manual.
Leakage-current
or
resistance
measurements
must
be
made
to
determine
that
exposed
parts
are
acceptably
insulated
from
the
supply
circuit
before
returning
the
product
to
the
customer.
Part
No.
Description
Q’ty
net
Part
No.
Description
PACKAGE
17
141-2-4459-37900
Pad
Lid
131-6-3069-17050
Patching
Sheet
2
18
141-2-4459-41600
Cushion
Trans
131-6-9439-00400
Ribbon
2
19
141-2-8559-06505
Spring
Mounting
131-6-9459-00300
|
Rubber
Band
1
20
131-2-4201-21100
Screw
134-2-2104-12700
|
Screw
Transit
©
1
21
131-2-4201-19501
Screw,
Button
Hd.
Tapping
141-6-1189-18400
BOX
Corrugate-exp
(MT-250)
1
22
131-2-4201-19503
Screw,
Button
Hd.
Tapping
141-6-1189-18401
BOX
Corrugate-exp
(MT-1250)
1
23
131-2-4201-19502
Screw,
Button
Hd.
Tapping
141-6-2519-19490
BAG
Polyethylene-exp
1
24
131
-2-4203-84233
Washer
141-6-2519-20990
BAG
Polyethylene-exp
1
25
131-0-3020-11000
Pully
Assy
141-6-3119-23401
Pad
(Mat
Turntable)
1
26
131-2-4112-10200
Rope
141-6-3119-28500
Pad
Front
1
27
141-0-5519-10301
|
Worm
Assy
141-6-3119-28600
Pad
Rear
1
28
141-2-1259-09300
Plate
Bottom
(Mechanism)
141-6-3119-28700
Pad
Pick-up
1
29
141-2-3169-28800
Guide
Frame
141-6-3119-32200
—
Pad
(Plate
Bottom)
1
30
141-2-4459-39500
Cushion
141-6-3319-13200
Spacer
3
31
141-2-4459-40100
Cushion
141-6-4159-00639
Notes
1
32
141-2-5289-01700
Rail
141-6-4559-04035
—
Serial
NO.
Sheet
2
33
141-2-5519-65000
|
Worm
Wheel(D)
34
141-2-5649-25000
Belt
35
141-2-5739-07600
Support
Shaft
ACCESSORIES
36
141-2-7519-75700
CAM
.
131-6-2719-10401
BAG
FAN
1
37
141-2-8519-01800
Spring
Rewind
Roller
134-2-2901-11601
Adapter
EP
1
38
141-2-8549-37600.
Spring
142-6-4119-33015
|
Explanatory
Booklet
(MT-250)
1
39
134-2-4106-27002
Shaft
142-6-4119-33087
Explanatory
Booklet
(MT-1250)
1
40
131
-2-4220-10507
Ring
Snap
;
4
134-2-6102-15702
|
MAT
Turntable
‘
42
134-2-6302-11601
Belt
CABINET
43
141-0-7519-05000
Shaft
TT
Complete
4-2359-79863
Connector
4P
Assy
[CN4]
1
44
141-2-3519-80000
Plate
Shaft
TT.
4-2359-79252
Connector
3P
Assy
[CN5]
1
45
141-2-5229-00200
Turntable
4-2439-73040
Wire
2
Parallel
(Arm
Motor)
1
46
131-2-4201-23703
.
Screw
131-2-1310-34663
Name
Plate
(MT-250)
1
47
141-2-4569-09900.
Washer
131-2-1310-34665
Name
Plate
(MT-1250)
1
48
131-2-4203-84235
~
Washer
141-2-4459-40400
Cushion
(Plate
Bottom)
1
49
141-0-3129-02500
Unit
Plate
Assy
141-2-4729-07100
|
Wire
Band
~
12
50
141-0-6419-02401
Pick-up
Assy
141-6-4559-04035
—
Serial
NO.
Sheet
1
50-1
4-1579-70200.
Stylus(ST-103SD)
141-6-4729-37686
Stylus
Label
1
50-2
—
141-0-6419-02500
Tone
Arm
Assy
131-2-3608-16800
Cramp
Wire
1
4-1579-70190.
Cartridge(MG-103S)
134-2-4201-13400
Screw
4
141-2-6419-00500
.
Tone
Arm
134-2-4201-13600
Screw
3
50-3.
—
141-2-3519-82100
-
Cover
134-2-5202-11800
|
Rubber
Cushion
3
50-4
141-2-6459-00600
Retainer
Needle
141-0-1619-35700
Knob
Assy
1
51
141-0-7439-19400
Lifter
Arm
Assy
141-0-2519-00800
Hinge
Assy
2
52
141-2-1149-50700
Cover
Plate
141-2-1129-52400
Cabinet
4
53
141-2-5729-22700
Boss
141-2-1149-46700
Cover
1
54
141-2-8549-32600
Spring
141-2-1249-49900
:.
Lid
1
55
141-2-8559-14700
Spring
141-2-1259-10500
Plate
Bottom
1
56
131-2-4202-11600
Nut
141-2-1439-15801
Panel
Control
(MT-250)
1
57
141-2-4569-04300
Washer
141-2-1439-15802
-
Panel
Controt
(MT-1250)
1
58
4-2369-75370
Plug
Cord
RCA
141-2-1439-15901
Panel
Control
1
59
A\
4-2432-00502
Power
Cord
141-2-1439-16001
Panel
Control
1
60
A\
4-2512-30521
Power
Trans
[T1]
141-2-1649-38800
Knob
1
61
4-2649-70790
—-
Solenoid
[SL1]
141-2-1659-51600
Knob
1
62
—
134-0-5011-04400
—_
Motor
Assy
(Arm)
[M2]
141-2-4459-37602
Cushion
4
63
134-0-5011-04500
Motor
Assy
(Phono)
[M1]
Q
~
<
=
Ee
arr
Cor
aR
Cn
OE
OC
OR SO
Cn
OS
CO
CC
I
SOY
CEO
DOS
COUT
CRESS
CR
OC
CO
OC
CO
EC
CO
CE
Ca
SC
CU
ON,
os
Cr
CC
CS
SC
C.BOARD
(BOTTOM
VIEW)
CONTROL
P.
°
e
&
a
a
©
a
a ¢
PLAY/STOP
$8
I7cem
s7
30cm
sé
REPEAT
CUEING
$4
PLAY/STOP
$2
SYMBOL
No.
TRANSISTOR
DC
VOLTAGES
SYMBOL
No.
|
a9
|
ato
DEVICE
Ss
=z
=
Oo
ca
=
—
”
CABINET
&
CHASSIS
PARTS
LIST
(continued)
pet
Part
No.
Description
Q'ty
71
141-0-1939-17560
Sensor
P.C.B.
Assy
1
72
141-0-1939-17450
LED
P.C.B.
Assy
1
73
141-0-1939-17550
Primary
P.C:B.
Assy
1
74
141-0-1939-17430
Control
P.C.B.
Assy
1
75
141-0-1939-17440
Power
Switch
P.C.B.
Assy
1
81
106-3-1304-00011
Hex.
Nut-3,
M4.0
1
82
110-3-2104-00011
Spring
Washer-2,
M4.0
1
83
143-3-1703-00811
Screw,
Bind
Hd.
Tapping-B,
+M3.0x8
2
NOTES:
1.
Parts
order
must
contain
Model
Number,
Part
Number
and
Description.
2.
Ordering
quantity
of
screws
and
resistors
must
be
multiple
of
10
pes.
-7-
PRODUCT
SAFETY
NOTICE
Each
precaution
in
this
manual
should
be
followed
during
servicing.
Components
identified
with
the
IEC
symbol
A\
in
the
parts
list
and
the
schematic
diagram
designate
components
in
which
safety
can
be
of
special
significance.
When
replacing
a
component
identified
with
A\,
use
only
the
replacement
parts
designated,
or
parts
with
the
same
ratings
of
resistance,
wattage
or
voltage
that
are
designated
in
the
parts
list
in
this
manual.
Leakage-current
or
resistance
measurements
must
be
made
to
determine
that
exposed
parts
are
acceptably
insulated
from
the
supply
circuit
before
returning
the
product
to
the
customer.
TURNTABLE
ADJUSTMENT
BEFORE
ATTEMPTING
ADJUSTMENT
3.
1.
Adjustments
through
the
rear
of
the
cabinet
should
be
carried
out
from
the
bottom
with
the
cabinet
placed
firmly
on
a
level
base.
2.
Carry
out
adjustment
procedures
in
the
order
given
here.
MEASURING
INSTRUMENTS
REQUIRED
e@
Stroboscope
Sheet
@
DCVTVM
(DC
voltmeter
with
high
impedance)
1.
e
Screw
driver
STYLUS
HEIGHT
ADJUSTMENT
2.
1.
Remove
the
turntable
mat
and
belt
and
turn
the
power
on.
2.
Press
the
<j
button
and
move
the
tone
arm
so
that
the
stylus
'
height
adjustment
screw
can
be
seen
in
the
turntable
aperture
(see
Fig.1).
3.
Turn
the
adjustment
screw
so
that
the
stylus
height
is
7.5mm
from
the
turntable
(it
is
best
to
use
some
instrument
like
that
depicted
in
Fig.2).
5.
Set
the
SPEED
switch
to
33
rpm
and
carry
out
the
same
procedure
with
VR3.
NOTE:
Always
carry
out
this
adjustment
by
adjusting
the
45
rpm
speed
first.
ARM
FEED
PHOTOINTERRUPTER
SENSITIVITY
ADJUSTMENT
Pless
the
<]
button
and
move
the
tone
arm
so
that
the
VR1
on
the
Sensor
PCB
can
be
seen
in
the
turntable
aperture.
Then
fully
turn
the
VR1
counter-clockwise.
Place
a
minimally
de-centered
record
disk
on
the
turntable
and
playback.
When
the
turntable
has
completed
at
least
5
revolutions
after
the
needle
has
dropped
on
to
the
recoad,
pless
the
CUEING
button
and
lift
the
tone
arm.
At
this
point,
adjust
VR1
on the
Control
PCB
so
that
the
arm
rises
straight
up
(see
Fig.4).
If
the
adjusting
range
of
VR1
is
limited
and
it
is
hard
to
adjust,
turn
the
VR1
on
the
Sensor
PCB
clockwise
a
little
and
adjust
again.
FRONT
(Bottom
View)
Stylus
Height
Adjustment
Screw
®
Arm
Feed
Adjustment
Volume
(VR1
=e
Fig.1
°
=)
Cartridge
Prepare
a
piece
of
Fig.4
7.5mm
section
paper
or
a
film
Turntable
LEAD-IN
ADJUSTMENT
1.
Place
a
record
on
the
turntable
and
press
the
PLAY/STOP
button
to
begin
lead-in.
Fig.2
2.
Turn
the
adjustment
cam
so
that
lead-in
attains
the
proper
position
(see
Fig.5).
(Rotating
the
cam
clockwise
moves
the
ROTATION
ADJUSTMENT
lead-in
in
toward
the
center,
while
rotating
it
counter-
1.
Replace
the
belt
and
turntable
mat
and
set
the
SPEED
switch
to
45
rpm.
2.
Using
a
stroboscope
sheet,
adjust
VR2
on
the
Control
PCB
so
that
the
rotation
matches
up
(see
Fig.3).
FRONT
(Bottom
View)
;
Rotation
Adjustment
Volume,
33rpm
(VR8)
Rotation
Adjustment
Volume,
45rpm
(VR2)
‘NY
e
Fig.3
clockwise
moves
it
out
towards
the
edge.)
Lead-in
Position
Adjustment
Cam
(Bottom
View)
REAR
Fig.5
LED
P.C.BOARD
(BOTTOM
VIEW)
SENSOR
P.C.BOARD
POWER
SWITCH
P.C.BOARD
(BOTTOM
VIEW)
.
(BOTTOM
VIEW)
4
@
O-AP6
PELL-MLy
POWER
SWITCH
-11-
Ref.
No.
a
72
CN3
D1
D2
D3
D5
73
74
CNi
Part
No.
P.C.BOARD
PARTS
LIST
Description
SENSOR
P.C.B.
ASSY
141-0-1939-17560
141-2-3519-76200
4-2359-79022
212-5-4390-13510
4-2039-72581
4-2039-72570
4-2229-75541
401
021
1906
Sensor
P.C.B.
Assy
Spacer
Connector
7P
Assy
Diode,
DS
135
;
Photo
Interrupter,
SPI-206-10
Photo
Transister,
TPS-613
Potentiometer
(B-2KQ)
CARBON
560
JA
1/4W
LED
P.C.B.
ASSY
141-0-1939-17450
4-2359-79803
4-2029-75040
4-2029-75040
4-2029-75040
4-2029-75040
4-2029-75040
PRIMARY
P.C.B.
141-0-1939-17550
4-2372-00830
111-2-6220-11100
LED
P.C.B.
Assy
Connector
5P
Assy
LED,
SLR
34
VC
3
LED,
SLR
34.
VC
3
LED,
SLR
34
VC
3
LED,
SLR
34VC
3
LED,
SLR
34
VC
3
ASSY
Primary
P.C.B.
Assy
EC
Terminal
1P
Wire
Wrap
Terminal
CONTROL
P.C.B.
ASSY
141-0-1939-17430
AM
4-2352-00200
4-2359-78508
101-3-1303-00611
131-2-6201-35500
141-2-3519-75200
131-2-9800-01071
4-2369-22740
4-2369-22750
4-2369-73674
4-2369-71571
4-2369-73670
A\
4-2349-20400
A\
4-2349-20400
4-2319-78290
4-2319-75790
4-2319-75790
4-2319-75790
4-2319-75790
4-2319-75790
4-2319-75790
4-2319-75790
4-2532-00540
4-2532-00150
4-2532-00150
4-2259-70780
204-5-9000-05000
4-2229-01040
4-2222-01400
4-2229-01400
202-5-2810-44210
202-5-2810-44210
4-2029-75030
4-2029-75030
4-2029-75020
4-2029-75030
Control
P.C.B.
Assy
Fuse
Holder
Connector
1P
Assy
Screw,
Pan
Hd.,
+M3.0x6
Plate
Heat
Sink
(for
1C4,
1C5)
Spacer
Jumper
(To
Power
Switch
P.C.B.)
Plug
5P
Plug
7P
Plug
5P
Plug
4P
Plug
3P
Fuse
(T630mA)
Fuse
(T630mA)
Switch
Slide
(Speed)
Touch
Switch
(Play/Stop)
Touch
Switch
(>
)
Touch
Switch
(Cueing)
Touch
Switch
(<1)
Touch
Switch
(Repeat)
Touch
Switch
(30)
Touch
Switch
(17)
Choke
Coil
(47H)
Choke
Coil
(10/4H)
Choke
Coil
(10,4H)
CSB
800K
Thermistor,
SDT
500
Semi
Fixed
Volume
(B-20kQ)
Potentiometer
(B-10kQ)
Potentiometer
(B-10kQ)
Diode,
DS
442
Diode,
DS
442
LED,
SLP
960
C
(33)
LED,
SLP
960
C
(45)
LED,
SLP
260
CU
(Repeat)
LED,
SLP
960
C
(30)
O’ty
hag
Part
No.
Description
Q'ty
07
4-2029-75030
LED,
SLP
960
C
(17)
1
1
D8
202-5-3210-05613
Zener
Diode,
GZA5.6Z
1
1
D9
202-5-3210-05113
Zener
Diode,
GZA5.1Z
1
1
D10
202-5-2810-44210
Diode,
DS
442
1
1
D1
202-5-0220-01010
Diode,
DSF
10C
1
1
Di2
DGG--wW02----
_
Diode,
W02
1
1
IC1
218-5-0436-41619
—
1C,_LM6416E-1971
1
1
Ic2
206-5-2726-45810
iC,
LA6458
DS
1
1
IC3
4-2069-75300
IC,
MN
4049B
1
or
4-2069-72530
iC,
MSM
4049
RS
1
IC4
4-2069-72560
1C,
NJM
7812
1
Ic5
4-2069-72570
1C,NJM
7912
1
1
a1
203-5-4921-01280
_
Transistor,
2SD
1012
1
1
Q2
203-5-4921-01280
Transistor,
2SD
1012
1
1
Q3
203-5-5000-53660
—‘
Transistor,
2SC
536
1
1
04
203-5-7230-60860
Transistor,
2SA
608
1
1
Q5
203-5-7230-60860
Transistor,
2SA
608
1
1
Q6
203-5-7252-27460
Transistor,
2SC
2274
1
1
Q7
203-5-7252-27460
Transistor,
2SC
2274
1
a8
203-5-7252-27460
Transistor,
2SC
2274
1
Q9
203-5-6820-98460
Transistor,
2SA
984
1
Q10
203-5-5000-53670
Transistor,
2SC
536
1
1
Qi
203-5-7252-27460
Transistor,
2SC
2274
1
2
Q12
203-5-5000-53660
—‘
Transistor,
2SC
536
1
2
Q13
203-5-7252-27460
Transistor,
2SC
2274
1
C1
CD4-7-6100-0001V
—_
Electrolytic
47u4F
=
10V
1
C2
Cl1-0-3250-MFOOR
Boundary
O.01mMF
25V
+20%
1
:
C3
ClH1-0-3250-MFOOR
=
Boundary
O.01uF
25V
+20%
1
1
C4
ClH-0-3250-MFOOR
=
Boundary
0.01mMF
25V
+20%
1
4
-
c5
CC3-3-1250-KEOOR
Ceramic
330pF
=25V
+£10%
1
1
C6
CC1-0-2500-KEOOR
Ceramic
0.001K@F
50V
+10%
1
2
C7
CC2-2-1500-KD00C
Ceramic
220pF
50V
+10%
1
2
C8
CC2-2-1500-KD00C
Ceramic
220pF.
50V
+10%
1
1
cg
CC1-0-3501-YEYOC
—
Ceramic
0.01@F
500V
+100,-0%
1
1
C10
Cl4-7-3250-KF00C
Boundary
0.0474F
25V
+10%
1
1
C11
Cl4-7-3250-KF00C
Boundary
0.0474F
26V
+10%
1
1
C12.
=
CD4-7-6100-0001V
—_Electrolytic
47uF
6
10V
1
1
C13
Cl4-7-3250-KF00C
Boundary
0.0474F
25V
+10%
1
1
C14
Cl4-7-3250-KF00C
Boundary
0.047uF
25V
+10%
1
1
C15
=
€D1-0-7160-0006V
—_
Electrolytic
100@F
=616V
1
1
C16
=
CD1-0-7160-0006V.
—_
Electrolytic
100uF
16V
1
1
C17
CC1-0-3500-ZG00C
Ceramic
0.01HF
50V
+80,-20%
1
1
C18
=
CC1-0-3500-ZG00C
Ceramic
0.01MF
50V
+80,-20%
1
1
C19
4-2239-71360
Electrolytic
1000uF
25V
1
1
€20
CD4-7-7250-0006V
_
Electrolytic
470uF
=.
25V
1
1
C21
CD1-0-6160-0001V
—_Electrolytic
10uF
16V
1
1
C22
CD4-7-5500-0001V
_—_
Electrolytic
47uF
50V
1
1
C23
Ci4-7-3250-KF00C
—
Boundary
0.0474F
25V
+10%
1
1
R1
401
0163808
CARBON
2.2K
JA1/4W
1
1
R2
401
0163809
CARBON
2.2K
JA
1/4W
1
1
R3
401
023
2802
CARBON
8.2K
JA
1/4W
1
1
R4
401
0163809
CARBON
2.2K
JA1/4W
1
1
R5
4010127009
CARBON
10K
JA1/4W
1
1
R6
4010127009
CARBON
10K
JA
1/4W
1
1
R7
4010127009
CARBON
10K
JA1/4W
-
1
1
R8
401
020
2904
CARBON
47K
JA
1/4W
1
1
RQ
4-2219-71580
—
Resistor
(5.6KQ
x5)
1
1
R10
4010195800
CARBON
4.7
JA1/4W
1
1
R11
401
021
3009
CARBON
5.6K
JA
1/4W
1
1
R12
401
021
3009
CARBON
5.6K
JA
1/4W
1
1
R13
4010127009
CARBON
10K
JA1/4W
1
1
R14
4010127009
CARBON
10K
JA
1/4W
1
1
R15
401
021
3009
+
CARBON
5.6K
JA
1/4W
1
1
R16
401
021
3009
CARBON
5.6K
JA
1/4W
1
|
ary
N
I
-P.C.BOARD
PARTS
LIST
(continuea)
hag
Part
No.
Description
Q’ty
R17
401
0687107
OXIDE-MT
56
JA
2W
1
R18
4010163809
CARBON
2.2K
JA
1/4W
1
PRODUCT
SAFETY
NOTICE
R19
4010127009
CARBON
10K
JA
1/4W
1
Each
precaution
in
this
manual
should
be
followed
R20
401
0127009
CARBON
10K
JA
1/4W
1
during
servicing.
Components
identified
with
the
IEC
R21
4010193004
CARBON
39K
JA
1/4W
1
symbol
A\
in
the
parts
list
and
the
schematic
diagram
R22
401
0223107
CARBON
6.8K
JA
1/4W
1
designate
components
in
which
safety
can
be
of
special
R23
401
0153800
CARBON
18K
JA
1/4W
1
significance.
When
replacing
a
component
identified
R24
401
0200801
CARBON
470
JA
1/4W
1
with
A\,
use
only
the
replacement
parts
designated,
or
R25
401
0200801
CARBON
470
JA
1/4W
1
parts
with
the
same
ratings
of
resistance,
wattage
or
R26
4010125708
CARBON
1K
JA
1/4W
1
voltage
that
are
designated
in
the
parts
list
in
this
manual.
R27
401
0163809
CARBON
2.2K
JA
1/4W
1
Leakage-current
or
resistance
measurements
must
be
R28
4010144105
CARBON
1.5K
JA
1/4W
1
made
to
determine
that
exposed
parts
are
acceptably
R29
4010177608
CARBON
3.9
JA
1/4W
1
insulated
from
the
supply
circuit
before
returning
the
R30
4010129300
CARBON
1M
JA
1/4W
1
product
to
the
customer.
R31
4010127009
CARBON
10K
JA1/4W
1
-
R32
4010127009
CARBON
10K
JA
1/4W
1
R33
4010127009
CARBON
10K
JA
1/4W
1
R34
4010127009
CARBON
10K
JA
1/4W
1
R35
4010127009
CARBON
10K
JA1/4W
1
R36
4010127009
CARBON
10K
JA
1/4W
1
R37
4010125708
CARBON
1K
JA1/4W
1
R38
401
0127009
CARBON
10K
JA
1/4W
1
R39
4010127009
CARBON
10K
JA1/4W
1
R40
401
0127009
©
CARBON
10K
JA
1/4W
1
R41
401
0135301
CARBON
1.2K
JA
1/4W
1
R42
4010135301
CARBON
1.2K
JA
1/4W
1
R43
401
0221905.
CARBON
680
JA
1/4W
1
R44
4010135301
CARBON
1.2K
JA
1/4W
1
R45
401
0135301
CARBON
1.2K
JA
1/4W
1
R46
4010125708
CARBON
1K
JA1/4W
1
R47
401
0125708
CARBON
1K
JA1/4W
1
R48
4010231706
CARBON
820
JA
1/4W
1
R49
401016
4806
CARBON
22K
JA
1/4W
1
R50
401
0231706
CARBON
820
JA
1/4W
1
R51
401
0223107
CARBON
6.8K
JA
1/4W
1
R52
4010125708
CARBON
1K
JA1/4W
1
R53
4010127009
CARBON
10K
JA
1/4W
1
R54
401
0683901
OXIDE-MT
470
JA
2W
1
R55
4010127009
CARBON
10K
JA1/4W
1
R56
401
016
2604
—
CARBON
220
JA
1/4W
1
R57
401
0221905
CARBON
680
JA
1/4W
1
R58
401
0621408
OXIDE-MT
470
JAiW
1
R59
401
0615506
OXIDE-MT39JA1W
1
R60
401
0202904
CARBON
47K
JA
1/4W
1
R61
4010202003
CARBON
4.7K
JA
1/4W
1
R62
4010127009
CARBON
10K
JA1/4W
1
R63
401
0230709
CARBON
82
JA1/4W
1
POWER
SWITCH
P.C.B.
ASSY
75
141-0-1939-17440
|
Power
Switch
P.C.B.
Assy
~
4
$9
A
4-2319-75900
Push
Switch
(Power)
:
1
NOTES:
1.
Parts
order
must
contain
Model
Number,
Part
Number
and
Description.
2.
Ordering
quantity
of
screws
and
resistors
must
be
multiple
of
10
pcs.
—~13—
SEMICONDUCTOR
LEAD
IDENTIFICATION
INTEGRATED
CIRCUITS
@
NJM
7812
@
LM6416E-1971
@e
NJM
7912
@
MN
4049B
BI-POLAR
TRANSISTORS
e
28D
1012
DIODES
Cathode
DS
442
DSF
10.C
GZA5.1Z
GZA5.6Z
-~14-
POINT
TO
POINT
WIRING
DIAGRAM
BKC
GND
Aeee™
1
LED
PC.B.
5
Gj
L|
LI
TK-
F134
G4aV-9
@
M2
ARM
.MOTOR
oe
WH
>
bg
2
CARTRIDGE
SENSOR
P.C.B.
ee
PUR
TABLE
SHAFT
[O>HIE—o«
L
«
‘a
PRIMARY
P.C.B.
PHONO
MOTOR
RE
GY
POWER
SWITCH
PC.B.
-15-
-16-
_
SCHEMATI
C
DIAGRAM
—
PRODUCT
SAFETY
NOTICE
Ici
DI
+12V
LM6416E-1971
:
$2
i
at
R5
10K
bs
GPLAY/STOP
2801012
:
10K
|
Each
precaution
in
this
manual
should
be
followed
during
servicing.
Components
identified
with
the
IEC
|
symbol
A\
in
the
parts
list
and
the
schematic
diagram
O
0
designate
components
in
which
safety
can
be
of
special
R33
S
significance.
When
replacing
a
component
identified
i
ms
10K
—l—
cuernc
with.
A\,
use
only
the
replacement
parts
designatéd,
or
O 0
parts
with
the
same
ratings
of
resistance,
wattage
or
Se
ee
l
sd
voltage
that
are
designated
in
the
parts
list
in
this
manual.
fakes!
TOK
rs
=~
Leakage-current
or
resistance
measurements
must
be
s6
made
to
determine
that
exposed
parts
are
acceptably
ae
ee
insulated:
from
the
supply
circuit
before
returning
the
REPEAT
O
O
product
to
the
customer.
s7
—L...
39
O
O
"
$8
©
O
R35
03,04
,06,07:SLR-960C
D5:
SLR-260CU
o
1°
33
AUTO45
|
+12v
'
'
5
SPEED
SELECT
|
!
V
1
IC3
switcH
|}
999990
|
wNdosss
ae
WBS
SS
;
3.
}
x
R42
SENSOR
PCB
LED PCB
me
Lo f2
|
LoS
©
SOUv
Mi
SLi
©
MN4049B
PHONO
MOTOR
SOLENOID
:
M2
ARM
280536
MOTOR
-
4
Le)
2
C23
o9
B-10K
6.047
GZA-
pele
bat
106
Ae
B.1Z
POWER
SWITCH
PCB
Ic4
a3
3S
616
ect?
fg00/
1
2802274
IW
25
FUSE
s9
T63OmAX2
SWITCH
100/16
|
IC4
tT
4
lh
a
4
Cig
C20
0.01
470/725
Ic1o
ci
C12
R56
|0.047
0,047
47/10
220
Name
Position
SPEED
Switch
AUTO
PLAY/STOP
Switch
OFF
(>)
Switch
OFF
CUEING
Switch
OFF
(<1)
Switch
OFF
REPEAT
Switch
OFF
30cm
Switch
OFF
17cm
Switch
OFF
POWER
Switch
OFF
SDT-500
NJM7912
AC220V
CONTROL
PCB
SOHZ
PRIMARY
PCB
iC
PIN
NUMBERS
DC
VOLTAGES
SYMBOL
No.
:
16
|
17
|
18
[
19
[|
20
|
.
99V
|
99V
}121V]
OV
[121V]
5.2v.
NOTES:
i!
5 E E E . .
||
i
1,
All
resistors
values
are
indicated
in
“ohm”
(K=10°,
M=10°).
1
16
|
17
|
18
2.
Ail
capacitors
values
are
indicated
in
““F”
(P=107").
[|
|
;
|
=e
3.
All
voltages
indicated
on
the
schematics
are
measured
under
the
TRANSISTOR
DC
VOLTAGES
SYMBOL
No.|
DEVICE
B
]
¢
SYMBOL
No.|
DEVICE
B
a4
|
2sa608
|
12.1V
[-12.0V]
12.1V
ag_([
_2sage4
|
O.6V
E
ov
Qs
[_2sa6o8
|
12.1v
|-12.0v[
12.1V
aio
{
2sc536
|
1.6V
0.9V
06
2862274
.
12.1V
.
OAV
Q7?
[08
b.
All
voltages
+10
%
with
respect
to
chassis
ground
c.
No
signals
at
input
terminals
d.
AC
input
at
220
volts
50 Hz
4.
This
is
a
basic
schematic
diagram.
LAG458D8
|
0.6V
Ic3
MN4049B
|12.1V
1c4
NJM7812
|12.2V
IM7BT
fotlowing
conditions.
a.
Use
a
V.T.V.M.
Because
Fisher
products
are
subject
to
continuous
improvement,
Fisher
Corporation
reserves
the
right
to
make
any
changes
or
modifications
without
notice.
—-18-—
IC
SIGNAL
FLOW
&
EQUIVALENT
CIRCUIT
CONTROLIC
LM6416E
STACK
1
1
2
3
4
5
6
7
8
PDo-3 PCo-3
PAo-3
+O
EXta!
+O
Voo
+—0O
Vss
VOLTAGE
REGULATORIC
NJM7812
4]
FISHER
FISHER
Hi-Fi
Europa
Vertriebs
GmbH
Stahlgruberring
4
Tel:
089/420
45-0
8000
Miinchen
82
Tix:
524033
Technisches
Labor/
Durchwahl.
—120/121
Qualitatskontrolle
FunkstérmeBlabor
—127/128
Service-Zentrale
Color
TV
—-166
Hi-Fi/Audio
—168
Video
—172
Autoradio
—170
Ersatzteillager
—155/156
Techn.
Schulung
—174
Weitere
Service-Zentralen
in
BRD
(keine
Ersatzteilbestellungen)
Offenbach/
Frankfurter
StraBe
121
Tel:
069/88
80
45/48
Hamburg
SpaldingstraBe
1
Tel:
040/23
12
23/24
Frankfurt
6050
Offenbach
Tix:
412558
2000
Hamburg
Tix:
2173
839
Military
Frankfurter
StraBe
121
Tel:
069/88
80
45/48
Ditzingen
Max-Eyth-StraBe
11
Tel:
07156/50
88
6050
Offenbach
Tix:
412558
7257
Ditzingen
Tix:
7
245
278
Diisseldorf-Erkrath
Albert-Einstein-StraBe
8
Tel:
0211/200
05-0
Berlin
Drewitz
&
Kaulbach
Tel:
030/781
2001
4006
Erkrath
1
Tix:
8588
563
(Fisher
Eisenacher
StraBe
53
Tix:
186
460
Vertragswerkstatt)
1000
Berlin
62
Unser
FISHER-Team
steht
Ihnen
jederzeit
gerne
zur
Verfiigung.
Ersatzteilbestellungen
wickeln
Sie
bitte
ausschlieBlich
mit
unserer
Service-Zentrale
Miinchen
ab.
‘
Senden
Sie
uns
im
Garantiefall
die
ausgefillte
Garantiekarte
ein.
Bei
unverkauften
Lagergeraten
des
Fachhandels
gilt
als
Garantienachweis
eine
eidesstattliche
Versicherung
mit
eingetragener
Modellbezeichnung
und
Gerate-Nummer
oder
ein
Liefernachweis.
Die
gleiche
Regelung
besteht
auch
fiir
Reparaturauftrage.
Bitte
geben
Sie
unbedingt
die
Ersatzteil-Nummer
und
die
Modellbezeichnung
an.
Sie
sparen
so
wertvolle
Zeit.
Vielen
Dank.
May/’86/2,000
Printed
in
Japan
This manual suits for next models
1
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