Sanyo FMT-450K User manual
SANYO
TEREO
TUNER
F
MT
-450K
(SEV)
SERVICE
MANUAL
SPECIFICATIONS
FM
SECTION
AM
SECTION
Tuning
Frequency
Range:
88
to
108MHz
Tuning
Frequency
Range:
535
to
1605kHz
IF:
10.7MHz
Usable
Sensitivity:
200uV/m
at
20dB
Quieting
Usable
Sensitivity:
1.9uV
10uV
(IHF)
Capture
Ratio:
1.0dB
Selectivity
(IHF):
35dB
Selectivity
(IHF):
More
than
65dB
Signal
to
Noise
Ratio:
50dB
Signal
to
Noise
Ratio:
Image
Rejection:
Spurious
Rejection:
AM
Suppression:
Harmonic
Distortion:
IF
Rejection:
Frequency
Response:
Muting
Sensitivity:
FM
MPX
SECTION
Stereo
Separation:
Frequency
Response:
Harmonic
Distortion:
Signal
to
Noise
Ratio:
Sub
Carrier
Suppression:
FM/FM
MPX
SECTION
Antenna
Input:
Antenna
Input
Level
Switch:
DIAL
CORD
STRING
eae
FRONT
END
ADJUSTMENT
More
than
70dB
More
than
100dB
More
than
95dB
55dB
Mono:
Less
than
0.2%
More
than
100dB
Mono:
20Hz
to
15kHz
+0dB,
—2dB
25uV
More
than
40dB
(1kHz)
More
than
30dB
(50Hz
to
10kHz)
50Hz
to
10kHz
+0.2dB,
—0.5dB
Stereo:
Less
than
0.3%
Stereo:
Less
than
65dB
70dB
300
ohms
balanced
75
ohms
unbalanced
—20dB
PULLEY
POINTER
ASS’Y
Image
Rejection:
Harmonic
Distortion:
IF
Rejection:
AUDIO
SECTION
Output
(Level/Impedance)
Fixed:
Variable:
MISCELLANEOUS
Power
Requirements:
SEV/FTZ
version:
Dimensions
(overall):
Weight:
STRING
More
than
65dB
Less
than
0.6%
65dB
700mV/3K
ohms
0
to
1000mV/1K
ohms
(Switchable)
120V,
220V.
50/60Hz
Wide
.....
420mm
Height
....
130mm
Depth
....
330mm
7.3kg
ADJUSTMENT
AM
ADJUSTMENT
Adjusting
ve
|
See
pf
Sa
Repeat
adjustments.
Connections
Output
Input
|
V.T.V.M.
AM
Detector
9-21300
AN
AM
IF
9-21200
455
KHz
$6.
frequency
|
feng
da
455kHz
Near
max.
capa-
(Range
30%
city
of
VC.
at
modulation)
position
with
no
unrequired
signal
Connect
oscilloscope
to
AM
Output
(PIN
NO.
7)
Connect
sweep
gener-
ator
to
VC5.
AM
ANT
COIL
600kHz
9-210500
Connect
standard
loop
(400Hz,
30%
600kHz
AM
OSC
COIL
antenna
to
output
ter-
|
Connect
V.T.V.M.
to
|
modulation)
9-20740
Output
Terminal
minals
of
SG.
Place
receiver
2
feet
from
loop
antenna.
1400kHz
(400Hz,
30%
modulation)
1400kHz
PREPARE
1.
Variable
capacitor
completely
closed.
4.
Selector
switch
to
“AM”.
2.
Set
the
dial
pointer
to
very
left
line
dial
scale.
5.
Use
a
screwdriver
with
plastic
grip
for
all
adjustments.
3.
Connect
sweep
generator
SG,
V.T.V.M.
and
oscilloscope.
FM
ADJUSTMENT
Adjusting
se
|
Sie
[ae
caine
\F
10.7MHz
Range
Ratio
Det.
90MHz
RF
106MHz
cs
Repeat
adjustments.
V.T.V.M.
Front
End
IF
Position
Position
of
tuning
dial
Near
max.
capa-
city
of
VC.
at
position
with
no
unrequired
signal.
Connect
oscilloscope
to
TP.2
Connect
sweep
gener-
ator
to
test
point
TP1
through
0.01uF.
Connect
oscilloscope
to
IF
P.C.B.
PIN
NO.
8
or
10
FM
ANT
Coil
(LA)
FM
OSC
Coil
(LO)
RF
Coil
(LR1)
RF
Coil
(LR2)
TCO
TCR.1,
TCR.2
TCA
90MHz
(400Hz,
30%
modulation)
Connect
V.T.V.M.
to
output
terminal
Connect
FM
SG.
to
FM
ANT.
terminals.
106MHz
(400Hz,
30%
modulation)
PREPARE
1.
Variable
capacitor
completely
closed.
4.
Selector
switch
to
“FM”
2.
Set
the
dial
pointer
to
very
left
line
of
dial
scale.
5.
Use
ascrewdriver
with
plastic
grip
for
all
adjustments.
3.
Connect
sweep
generator,
FM
SG,
V.T.V.M.
and
oscilloscope.
FM
MPX
ADJUSTMENT
V.T.V.M.
Orcilloscope
(3)
Cross
talk
VR1
|
min,
Connections
Position
of
Connect
V.T.V.M.
to
test
point
TP.3
19kHz
9-20210
(Black)
38kHz
9-20220
(White)
Connect
FM
stereo
SG
to
FM
ANT
terminals.
19kHz
signal
ON.
Main
channel,
sub
channel
signal
ON.
Add
1000Hz
signal
from
L
Ch.
Near
max.
capa-
city
of
VC.
at
position
with
no
Connect
V.T.V.M.
to
R
output
terminal.
FM
stereo
4 ‘
Cross
talk
signal
Connect
FM
stereo
SG
to
FM
ANT
unrequired
signal.
9-20210
separation
|
terminals.
19kHz
signal
ON.
Main
Connect
V.T.V.M.
to
L
9-20202
channel,
sub
channel
signal
ON.
output
terminal.
Add
1000Hz
signal
from
R
Ch.
Repeat
steps
3
—
4.
Set
at
position
with
max.
channel
separation.
PREPARE
1.
Variable
capacitor
completely
closed.
3.
Function
switch
to
“STEREO
AFC”.
2.
Connect
FM
stereo
SG.
and
V.T.V.M.
4.
Use
a
screwdriver
with
plastic
grip
for
all
adjustments.
EXPLODED
VIEW
Nil
AW,
8
=};
is)
—=
oe
a>
PARTS
LIST
ker
<a
[me
[ene
Tow
PACKING
CHASSIS
131
25205
13400
|
Cushion
131
61139
48112
|
Box
corrugate
exp
131
6
2119
01440
|
Bag
polyethylene-exp
131
6
3009
18600
|
Pad
131
6
3069
16050
|
Patching
sheet
131
6
4559
10100
|
Manufacturing
No
Shelter
light,
Steres
ind
Shelter
light,
Dial
pilot
Shelter
light,
Pilot
Dial
Shelter
light,
Pane!
control
Shelter
light,
Meter
lamp
Shelter
light,
Meter
cover
Bushing,
AC
cord
Bushing,
Function
ind
Bushing,
ANT
wire
Shelter,
Pilot
PCB
Label
(fuse)
Label
(FTZ)
Plate
pad
switch
131
26110
20100
131
26110
20900
131
26110
22500
131
26110
22600
131
2
6110
22700
131
26110
22800
131
26111
11300
131
26111
11600
131
26111
14200
131
26113
16400
131
2
7103
21600
131
2
7103
21700
131
2
7104
00101
Antenna,
FM
W
pin
cord
Bag
fan
Explanatory
booklet
4
2449
20230
131
0
4004
11501
131
6
2719
10600
131
6
4119
36506
ad
od ah
od
od
()
—)
A
A)
od
=) od
ot
131
131
131
131
131
131
131
131
131
131
131
131
131
131
2
1101
25300
2
1101
25400
2
1105
13100
2
1312
11100
2
1801
13300
2
4203
84204
2
7103
19800
2
7103
19900
0
1001
26900
0
1001
27000
0
1016
18303
2
1203
29403
2
1311
33800
2
1116
12700
2
1116
12800
2
1201
24601
2
1504
10902
2
1601
30900
2
4201
12400
2
6111
13600
2
6113
11400
2
6113
16300
Cabinet
Cabinet
Plate,
Bottom
Grill
Leg
Washer,
4.2
x
14
x
Imm
Label,
Plate
bottom
Caution
label,
Cabinet
L
side
Knob
assy,
Push
Knob
assy
Panel
decorate
assy
Panel
control
Sash
Frame
Frame
Plate,
Dial
Plate,
Sign
lamp,
Function
ind.
Knob,
Tuning
Screw,
Tuning
knob
Bushing,
Push
knob
Shelter,
Lever
SW
Shelter,
Lever
SW
4
1259
20280
4
2229
23860
4
2319
21531
4
2319
23470
4
2349
20450
4
2349
21200
4
2359
20160
4
2359
21021
4
2359
21440
4
2359
21480
4
2379
20251
4
2379
20440
4
2379
20910
4
2379
21050
4
2379
21060
4
2439
20521
4
2439
20550
4
2519
23092
4
2539
20150
4
2579
21023
4
2599
20300
45119
20343
45119
20352
46129
20154
4
6129
20280
4
6129
20360
Front
end
VR
B-10K
Switch
slide
6P
110V-220V
Lever
SW,
Power
Fuse
0.2A
Fuse
2A
6.3V
Fuse
holder,
Meter
lamp
Fuse
holder,
AC
1P
phono
socket
Socket
phono
2P
Terminal
1-1PL
Terminal
lug
1-4P
Terminal
lug
2P,
ANT
Terminal
antenna
Terminal
G
|
Power
cord
)
Power
cord
Power
trans
Choke
coil,
AM
Bar
antenna,
AM
Balun
Signal
meter
Tuning
meter
Pilot
lamp,
Steres
ind
Pilot
lamp
Pilot
lamp,
Pointer
MP
Con
0.01mF
+20%
250V
Electrolytic
1000mF
16V
Ceramic
0.01mF
+80
—20%
SOV
C2E
H
RM
103A--
C1C
R
E-10
8A--
C1H
V
DZ10
3A-
131
26308
15900|
Filter,
Grass
WS
BD
SS
eS
Sw
er
er es os es
om
So
WDA
SOA
er
or
or
or
Ceramic
0.0i1mF
+20%
50V
Carbon
2.2K
ohm
+5%
1/4W
Carbon
100K
ohm
+5%
1/4W
Cramp
wire
Diode
DS-442
C1H
Y
SM10
3R-
R2E
D
PJ22
2A
R2E
DPJ10
4A
131
2
3608
11300
205
5
9043
44210
0
3002
10800
0
3003
16400
O
3008
11700
0
3011
14700
0
3020
02600
Drum
assy
Shaft
dial
assy
Support
antenna
assy
Pointer
assy
Pully
assy
=aPh—
=
=
0
3020
03800
2
1110
17001
2
1310
21817
2
1406
11600
2
3101
19700
2
3101
30300
2
3301
17300
1
2
3304
16000
2
3305
17200
2
3306
17003
2
3608
11200
2
3608
11700
2
3608
11701
2
3621
00400
2
3621
00500
2
4107
10200
2
4107
10300
2
4108
10300
2
4111
00300
2
4112
10200
2
4201
12701
2
4221
00100
2
5205
11800
2
5205
12000
2
5205
13500
2
6107
13900
2
6107
14200
Pully
assy
Plate
decorate,
Rear
panel
AC
out
Name
plate
Piate
color,
Meter
Metal
mount,
FM
steres
ind
Metal
mount,
Pilot
PCB
Chassis
Plate
dial
rear
Panel
front
Panel
rear
Cramp
wire,
Pointer
wire
Cramp
wire
Cramp
wire
Metal
cramp
wire
Metal
cramp
wire
Pulley
Pulley
Spindle
pulley
Rope,
Spring
Rope,
0.5mm
Screw
Rivet
Cushion
Cushion
Cushion,
Grass
Plate
sever,
Metal
lamp
holder
Plate
sever,
Power
SW
—
ADA)
=
GO
A)
=
@
a
CO
a
A)
2 =
U1
2
et
et
es
es
oe
2
A)
@
ow
@
2
rd
or os
PARTS
LIST
FM
|F
PCB
ASSY
Ref.
oe
.
No.
Description
Q'ty
FM
IF
PCB
ASSY
131
0
4001
50400
|
FM
IF
PCB
Assy
1
R211,221,
}}
R2E
DSJ10
2A
Carbon
1K
ohm
+5%
1/4W
4
2569
21000
|
FM
IFT
1
222
1FT201,202
4
2569
21103
|
FM
IF
Filtor
2
R202,206,)
|
R2E
DSJ12
2A
Carbon
1.2K
ohm
+5%
1/4W
eres
C1H
C
SK15
OSL-
|
Ceramic
15pF
+10%
50V
3
207,216
}
222
R214
R2E
DSJ27
2A
Carbon
2.7K
ohm
+5%
1/4W
C218,219
C1H
CSK20
1SL-
|
Ceramic
200pF
+10%
50V
2
R213
R2E
D
SJ33
2A
Carbon
3.3K
ohm
+5%
1/4W
C221
C1H
C
SK25
1SL-
|
Ceramic
250pF
+10%
50V
1
R230
R2E
D
SJ47
2A
Carbon
4.7K
ohm
+5%
1/4W
C220,228
COJ
R
B-10
6A--
Electrolytic
1OmF
6.3V
2
R208
,219,+
|
R2E
D
SJ56
2A
Carbon
5.6K
ohm
+5%
1/4W
C229
C1C
U
BM10
5A--
|
Alsicon
1mF
+20%
16V
1
227,228,
|
C201,202,
C1H
Y
SZ10
2A--
|
Ceramic
0.001mF
+80
—20%
8
231
208,209,
50V
R223
224
R2E
D
SJ68
2A
Carbon
6.8K
ohm
+5%
1/4W
210,213,
R217,229
R2E
D
SJ10
3A
Carbon
10K
ohm
=
+5%
1/4W
214,215
R226
R2E
D
SJ12
3A
Carbon
12K
ohm
+5%
1/4W
C203,206,)
|
C1H
Y
SZ10
3A--
|
Ceramic
0.01mF
+80
—20%
R212
R2EDSJ223A
Carbon
22K
ohm
=
+5%
1/4W
207,211,
50V
R203
R2E
D
SJ10
4A
Carbon
100K
ohm
+5%
1/4W
212,216,
D201
,202,7
|
202
5
9110
18820
|
Diode
1S
188FM1-A
217,223,
203,204,
224
,225,
205,206,
226,227
207,208,
R204,209,
R2E
D
SJ47
OA
Carbon
47
ohm
+5%
1/4W
209,210
Q202,20
i
PE
penOwA
ee
ee
50,
1/4W
av
=
203
5
5100
53640
|
Transistor
2SC
536
R2E
DSJ33
1A
Carbon
330
ohm
+5%
1/4W
0201
.
R2EDSJ471A
|Carbon4700hm
+5%
1/4W
10201.202,
ae
:
ey
arg
eee
220
R2EDSJ561A
|Carbon5600hm
+5%
1/4W
203,204,
R205,210
R2E
D
SJ68
1A
Carbon
680
ohm
+5%
1/4W
205
FM
IF
PCB
ASSY
TOP
VIEW
MUTING
MUTING
;
SIGNAL
METER
MULTIPATH
AGC
:
oD:
c205
15P
:
“_D202
c204
=
pe
OF
&
-
:
a
:
;
2
SP
FM
OUT
IcC201
~
205
LAI22I
Q201
2SC930
Q202
~
204
2SC536
D2o0!i
~
20
1Si88
ao)
TUNING
+12V
ETER
FM
IF
PCB
ASSY
BOTTOM
VIEW
——
ino
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~
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2020
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PARTS
LIST
Ce
[me
[ei
Yow
MPX
PCB
ASSY
131
0
4001
50600
|
MPX
PCB
Assy
4
2229
22910
|
SVR
B-1K,
Separation
4
2379
21120
|
Terminal,
Test
point
4
2659
20210
|
Multiplex
coil
19KHz
4
2659
20220
|
Multipiex
coil
38KHz
C1H
F
AK15
2A--
|
Mylar
0.0015mF
+10%
50V
Carbon
1K
ohm
+5%
1/4W
Carbon
1.2K
ohm
+5%
1/4W
Carbon
3.3K
ohm
+5%
1/4W
Carbon
3.9K
ohm
+5%
1/4W
Carbon
4.7K
ohm
+5%
1/4W
Carbon
10K
ohm
+5%
1/4W
jKeyno,
|
PartNo,
MPX
PCB
ASSY
R414,415
|
R2E
DSJ10
2A
R405
R2E
D
SJ12
2A
R411,412
|
R2E
D
SJ33
2A
R404
R2E
D
SJ39
2A
R416
R2E
D
SJ47
2A
R409
R2E
DSJ10
3A
C411
C406,407
|
C1H
F
AK153A--
|
Mylar
0.015mF
+10%
50V
R402
R2E
D
SJ33
3A
Carbon
33K
ohm
+5%
1/4W
C401,412
|
COJ
R
B-47
5A--
Electrolytic
4.7mF
6.3V
R401
At7,
R2ED
SJ104A
Carbon
100K
ohm
+5%
1/4W
CiC
R
B-47
5A--
Electrolytic
4.7mF
16V
Carbon
120K
ohm
+5%
1/4W
Transistor
2SC
536
Transistor
2SC
693
Transistor
2SK
24D
Diode
DS-442
IC
LA
3300
R2E
DSJ12
4A
203
5
5100
53640
203
5
5100
69372
203
5
8500
02440
205
5
9040
44210
206
5
0663
30010
Electrolytic
1OmF
10V
Electrolytic
10O0mF
16V
Styrol
2500pF
+10%
50V
Styrol
10000pF
+10%
50V
Carbon
100
ohm
~—=s-
55%
1/4W
Carbon
220
ohm
~—=s-
55%
1/4W
Carbon
470
ohm
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SW.
33/6.3
49-2319
-
23470
FUNCTION
IND.
4-2359-21480
SANYO
ELECTRIC
TRADING
SANYO
ELECTRIC
CO.,
LTD
OSAKA,
JAPAN
~16—
—17-
WM-1255
Dec./'75/1000
CO.,
LT
Pimted
in
Jap;
Table of contents
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