Tensai TT-3145 User manual
T-3145
3-BAND
FM/MW/LW
TUNER
TEN
INTERNATIONAL
MUTE
MPX
FILTER
MOOE
MORE
m
OFF
BSTERED
TAUSIAL
CS
service
Manual
4
{
CONTENTS
SPECIFICATIONS
........
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2
TOP
VIEW
OF
P.C.
BOARDS..................
7,8
DIAL
CORDSTRINGING
.................0002.
PART
UIST
sieusacc
las
chek
Sob
ecm
daaene:
9,10
FUNCTIONAL
BLOCK
DIAGRAM...............3
POINT
TO
POINT
WIRING
DIAGRAM........
11,12
ELECTRICAL
ADJUSTMENT
PROCEDURE
.......
4
SCHEMATIC
DIAGRAM
...............00--
13,14
EXPLODED
VIEW
OF
CABINET
AND
CHASSIS.
..5,6
NOTES
SPECIFICATIONS
FM
SECTION
TUNING
RANGE
87.5-108.5MHZ
SENSITIVITY,
26
dB
S/N
Mono
TuVv
Stereo
5uv
46
dB
S/N
Mono
10yuV
Stereo
5OuV
i
ALTERNATE
CHANNEL
SELECTIVITY
50dB
SPURIOUS
RESPONSE
REJECTION
70dB
:
AM
SUPPRESSION
50dB
CAPTURE
RATIO
1.5dB
SUBCARRIER
REJECTION
40dB
THD
at
1KHz,
100%
modulation,
Mono
0.2%
Stereo
0.4%
S/N
RATIO,
ref.
100%
modulation,
Mono
70dB
Stereo
65dB
STEREO
SEPARATION
at
1KHz
40dB
FREQUENCY
RESPONSE,
—3dB
10Hz-15KHz
es
OUTPUT
LEVEL
at
30%
modulation
200mV/4.7Kohm
MW/LW
SECTION
TUNING
RANGE
MW
520-1,
6(O5KHz
LW
150-350KHz
SENSITIVITY,
20dB
S/N,
Bar
antenna
MW
300nV/m
LW
500nV/m
SELECTIVITY
30dB
IF
REJECTION
35dB
IMAGE
REJECTION
40dB
SIGNAL
TO
NOISE
RATIO
30%
mod.
40dB
FREQUENCY
RESPONSE,
—3dB
20Hz-2KHz
OUTPUT
LEVEL
at
30%
modulation
200mV/4.7Kohm
POWER
CONSUMPTION
16W
UNIT
DIMENSION
(W
x
H
xD)
430
x
136
x
370mm
UNIT
WEIGHT
6.2kg
«DIAL
CORD
STRINGING
eon
ast
io
DIAL
PULLEY
BLOCK
DIAGRAM
c2i
+
nr
TUNING
METER
fu
FUNCTION
iit
ag
a
al
lo
De
Lo
|
|
f
oxo
(jt)
anwomem
(8)
SONAL
METER
e+
ime
——————
HS]
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a
see
AL
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eh
Lo
|
ouTpur
RCH
220
AG
0.0047
/
400¥
AC
8
eneieieiieitiamemimmeion
ts
ABTS
Yoana
NA RE
SAW
REINS
AS
CSRS
NR
OT
TGA
AS
TAR
NEE
IORI
IEE
SEE
TA
Ea
in
Sed,
ELECTRICAL
ADJUSTMENT
PROCEDURE
1.
MW
TUNER
ALIGNMENT
.
1.
SET
THE
FUNCTION
PUSH
SWITCH
TO
MW
2.
SET
THE
AM
SIGNAL
GENERATOR
AS
SHOWN
FIG
1
AC
VOLTMETER
OSCILLOSCOPE
SET
UNDER
TEST
AM
SIGNAL
GENERATOR
Fig
1.
AM
ALIGNMENT
TEST
SET
UP
*SG
OUT
PUT
LEVEL—1KHz.
30%
MOD.
AS
LOW
AS
POSSIBLE
DIAL
INDICATION
Pt
|S
KHz
|
LOWEST
POSITION
|
_
IFT
201
(2
600
Ke
600
KHz
|
MWoOsSCCOIL
L201
PS
|
400
KHz
~
1400
KHz
REPEAT
STEP
2
AND
3
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED
[sf
e00KHz
TOO
KHz
—T
MWANTCON
a
e400
KHz
|
400
Ke
|
TRimen
Toz0a
|
MAXIMUM
AC
VOLT
METER
READ’
4
REPEAT
STEP
5
AND
6
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED
I.
LW
TUNER
ALIGNMENT
1.
SET
THE
FUNCTION
PUSH
SWITCH
TO
LW
2.
SET
THE
AM
SIGNAL
GENERATOR
AS
SHOWN
FIG
2
INDICATION
=.
MAXIMUM
AC
VOLT
METER
READING
MAXIMUM
AC
VOLT
METER
READING
SET
UNDER
TEST
LW
BAR
ANT
AM
SIGNAL
GENERATOR
60cm
|
+®
GND
FIG
2.
LWALIGNMENT
TEST
SET
UP
AC
VOLT
METER
OSCILLOSCOPE
*SG
OUTPUT
LEVEL—1
KHz
30%
MOD
AS
LOW
AS
POSSIBLE
.
DIAL
INDICATION
>
REPEAT
STEP
1
AND
2
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED
(er
nee
160
KHz
re
REPEAT
STEP
5
AND
6
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED
i.
FM
TUNER
ALIGNMENT
A.
FM
FREQUENCY
COVERAGE
AND
TRACKING
ALIGNMENT
1.
SET
THE
FUNCTION
PUSH
SWITCH
TO
FM
.
INDICATION
MAXIMUM
AC
VOLT
METER
READING
MAXIMUM
AC
VOLT
METER
READING
2.
SET
THE
FM
SIGNAL
GENERATOR
AS
SHOWN
FIG
3
WITH
400Hz.
100%
(75KHz
DEV)
MODULATION
3.
SET
THE
MUTE
SWITCH
TO
OFF
|
AS
VOLT
METER/
SET
UNDER
TEST
DISTORTION
ANALIZER
.
DUMMY
ANTENNA
FOR
FM
IMPEDANCE
MATCHING
|
GENERATOR
OSCILLOSCOPE
FIG
3.
FMIF
AND
FRONT
END
ALIGNMENT
TEST
SET
UP
rf.
DIAL
INDICATION
OFF
apwust
|
.
*
[STEP]
SG
FREQUENCY]
SG
OUTPUT
LEVEL
es
ONDER
TEST
ADJUST
INDICATION
|
i
1
|
|
T102
TUNING
METER
POINTS
TO
THE
CENTER
ae
~
{NO
INPUT
SIGNAL
ae
ids
3
98
MHz
T
103
TO
MINIMIZE
DISTORTION
1000uV_(60d8)
106
MHz
RS
POAC
ei
106
MHz
{TRIMMER
TC103
REPEAT
STEP
4
AND
5
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED.
90
MHz
90
MHz
L102
|
meal
6
MHz
14S
LOW
AS
POSSIBLE
ORE
TRIMMER
TC107
702
|
MAXIMUM
OUTPUT
READING
|
9
|REPEAT
STEP
7
AND
8
UNTIL
NO
FURTHER
IMPROVEMENT
IS
NOTICED
B.
FM
MPX
AND
MUTING
ADJUSTMENT
1.
SET
THE
FUNCTION
PUSH
SWITCH
TO
FM
2.
SET
THE
MODE
SWITCH
TO
STEREO
3.
SET
THE
FM
SIGNAL
GENERATOR
AS
SHOWN
FIG
4
4.
SET
THE
STEREO
SG
TO
400
Hz
90%
(67.5
KHz)
PILOT
10%
(7.5
KHz)
MODULATION
(]
sTEREOSG
OSCILLOSCOPE
FREQUENCY
COUNTER
AC
VOLTMETER/
DISTORTION
ANALIZER
SIGNAL
GENERATOR
DUMMY
ANTENNA
FOR
IMPEDANCE
MATCHING
FIG4,.
FM
MPX
AND
MUTING
ADJUSTMENT
TEST
SET
UP
STEP
|SG
FREQUENCY
|
SG
OUTPUT
|
LEVEL
SG
MODE
W
DIAL
INDICATION
OF
;
|
DJUST
,
|
SET
UNDER
TEST
CT
TGIN
98
MHz
1000uV
(60dB)
98
MHz
vRi102_|
19KHz+50HzAT
TP—3
el
98
MHz
==}
1000zV
(60dB)
L
(or
R)
-98MHz
~—«([
T1011
TO
MINIMIZE
STEREO
THD
3
:
VR103.
|
TO
MINIMIZE
OUTPUT
READING
_
|.
|
AT
R.CH
(or
L)
OUTPUT
[4a
[semee
[vO
g8MHz
|
VR101_|
-adB
OUTPUT
LEVEL
.
peg
:
eee
REPEAT
STEP
1
AND
2
UNTIL
NO
FURTHER
IMPROVEMENT
1S
NOTICED
_|
90
MHz
AS
LOW
AS
POSSIBLE
90
MHz
OSC
COIL
103
MAXIMUM
OUTPUT
READING
Reet
eee
See
NERO
Snecma
en
Sec
saver
Users
era
cere
i
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4
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|
PLN
PIL
NS
IEE
BINS
AIM
PPE
NESTE
IEMA
ATES
RIT
EE
EXPLODED
VIEW
OF
CABINET
AND
CHASSIS
sm
tpi
Be
TM
=
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PY
RCC
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RSS
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AE
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AES
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=
ONOaTSL
PARTS
LIST
PACKING
PARTS
LIST
PE-74172-01
PE-74066
PC-74171
ACCESSORY
PARTS
LIST
PE-67020
96032-1
96000-10
PE-67029
CABINET
PARTS
LIST
PC-62242
PC-62243
AD-7
1045
APPEARANCE
PARTS
LIST
PE-72177
AE-72171
AE-72170
PC-63076
AC-61077
CHASSIS
PARTS
LIST
PC-62249
PE-68413
PE-68414
PC-62246
PC-62248
PC-62247
PD-62245
PE-66047
ELE
PD-95055
PD-90191
PD-95056
PE-64058
PD-75027-02
PD
-75027-01
PD-66029
PE-69096
PE-69094
PD-35073
PE-71008A
PE-67051
PE
-95054
PE
-76018-02
PE-67055
AE-10059
PD-71008
PE-95053
AK
40294
Inner
Box
Poly
Bag
Cushion
(Right
&
Left)
Double
Phone
Plug
Operation
Manual
Product-Certificate
Card
FM
Dipole
Ant
Bottom
Cover
Cabinet
Foot
Ass’y
Tuning
Knob
Push
Knob
(Power)
Push
Knob
Ass‘y
(Function)
Dial
Scale
Front
Panel
Ass’y
Front
Chassis
Dial
Scale
BKT(R)
Dial
Scale
BKT(L)
Back
Chassis
Main
Frame(R)
Main
Frame(L)
Support
Frame
Dial
Pulley
CTRICAL
PARTS
LIST
Power
SW(SDG5P-E)
Push
SW(3
gang)
Remote
SW
Ass’y
Lamp
Meter
(Tuning)
Meter
(Signal)
Front
End
Fuse
Holder
(20m/m)
Fuse
Clip
(20m/m)
Fuse
(T160mA/250V)
Fuse
(Lamp
T1.6A/250V)
Transformer
AC
Cord
Stopper
AC
Cord
RCA
Jack
(2P)
Ant
Terminal
LW/MW
Ant
Bar
Ant
Holder
Ass’y
Ant
Cord
Stopper
Ant
Connector
Tuner
PCB
Ass’y
LED
SLP-141B
Bo
ew
3
or
mr
oes
so
SQ
PPMP
Mm
DOOM
OO
FRONT
PANEL
ASS’Y
PARTS
LIST
PC-61077
PE
-63077
PE-63074
PE-63075
PE-72178
PE-72172
Front
Panel
Glass
Lens
Meter
Window
Meter
Plate
Tuning
Strip
Felt
Push
SW
Power
Bezel
wed
wk
wk
eek
od
TUNER
P.C.B
ASS’Y
-
|
FM
SECTION
SEMICONDUCTORS
1C1
HA1137W
or
AN377
1
IC2
HA1156W
or
AN115
1
Q101
2SK
19GR
1
Q102,
103
CS9016G
2
Q104
CS90
18F
1
Q105,
106
2SC1815
or
2SC374BL
2
Q107,
R/L
2SC1000BL
2
D101,
102
1N60
PAIR
2
D103,
104,
CDG24
4
105,
106
C101,
106
|
50CE101-50K
Ceramic
100PF
50WV
2
C102,
105
|
50CE150R-50J
Ceramic
15PF
5OWV
(RH)
2
C103,
108,}
50CE203-50K
CC
Ceramic
0.02uF
5OWV
11
113,
114,
115,
117,
120,
121,
123,
126,
127
C104
5O0CE509-50J
Ceramic
5PF
5OWV
1
C107
5OCE309C-50J
Ceramic
3PF
5OWV
(CH)
1
C109
5OCE220R-50J
Ceramic
22PF
5OWV
(RH)
!°>
1°
C110,
112
|
50CE100R-50J
Ceramic
10PF
BOWV
(RH)
2
C111
50CE330C-50J
Ceramic
33PF
5OWV
(CH)
1
C116,
119,
|
50CE473-50K
CeramicO0.047uF
SOWV
5
129, 130,
132
C118
50CE120-50u
Ceramic
12PF
5OWV
1
C122,
142
|
50AL109-16E
Elect
uF
16WV
1
R/L,
146
C124
50CE331-50K
Ceramic
330PF
50WV
1
C125,
128,
|
50AL479-16E
Elect
4.7uF
16WV
5
131,
143
-R/L
C133
50AL221-16E
Elect
220uF
16WV
1
C134
50PS68
1-50J
Poly
680PF
50WV
1
C135
5OPS471-50J
Poly
470PF
50WV
1
C136
50AS228-16E
Al
Solid
0.22uF
16WV
1
C137
5OMY473-50J
Mylar
0.0474F
5SOWV
1
C138,
139
|
50AS478-16E
Al
Solid
0.47
uF
16WV
Z
C140,
141
5BOMY
103-50J
Mylar
0O.01uF
5OWV
2
C144
50CE270-50J
Ceramic
27PF
5OWV
1
C145
5OMY
153-505
Mylar
O0.015uF
S5OWV
1
|
RESISTORS
:
60F104-%J
60F101-%J
Carbon
100K
ohm
“WJ
Carbon
100
ohm
%W
Carbon
2200hm
“WJ
Carbon
3.3K
ohm
“WJ
60F221-%J
,
6OF332-%J
60F223-“4J
60F102-%J
22K
ohm
1K
ohm
Carbon
YW
Carbon
60F
103-%J
Carbon
10K
ohm
60F560-%J
60F
105-%J
60F181-%J
60F561-%J
60F331-AJ
60F564-%J.
60F473-%J
56
ohm
Carbon
1M
ohm
Yaw
Carbon
180
0hm
“%W
Carbon
J
J
J.
Carbon
5600hm
‘%W
J
J
J
J
R116,
120
R119,
122
R124
—
R125,
133
Carbon
3300hm
“%W
Carbon
560K
ohm
Carbon
47K
ohm
i
{
a
i
|
‘
a
i
:
i
:
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}
4
3
4
d
i
i
4
¥
Sica
Riri,
scaausuialinl
ceniiciinmmeneeenis
mikmenieieinidanaaaaaiate
5
PARTS
LIST
Ref.
No.
3126
6O0F222-%J
Carbon
2.2K
ohm
%W
J
1
3128,
149
|
60F153-%4
Carbon
15K
ohm
%W
J
2
3131
6OF562-%J
Carbon
5.6K
ohm
%W
J
1
2132
60F683-%J
Carbon
68K
ohm
%W
J
1
2134
60F123-%4
Carbon
12K
ohm
%W
J
1
2136,
137,
|
6O0F472-%J
Carbon
4.7K
ohm
%W
J
5
139,
146
R/L
R140
60F822-%4
Carbon
8.2K
ohm
1
R141,145
|
GOF474-%J
Carbon
470K
ohm
3
R/L
R143R/L
60F753-%J
Carbon
75K
ohm
2
R144R/L
60F47
1-%4J
Carbon
470
0hm
“ww
J
2
R148
60F182-%J
Carbon
1.8K
ohm
1
SEMIFIXED
RESISTORS
VR101
#16002(SR19R-B)|
Carbon
47K
ohm
1
VR102
#16000(SR19R-B)
Carbon
47K
ohm
:
1
VR103
#16003(SR19R-B)|
Carbon
22K
ohm
COIL
&
INDUCTORS
L101
PE-30096
FM
Ant
Coil
1
L102
PE-30097
FM
REF
Coil
1
L103
PE.30052A
FM
OSC
Coil
1
L104
PE-30057
Inductor
2.2MH
j
L105
PE-30112
Inductor
1
8uH
1
T101
PE-30053
FM
IFT
1
T102
PE-30122
FM
Quad
Det-A
1
T103
PE-30123
FM
Quad
Det-B
4
FILTERS
CF101,
102|
#31008
Ceramic
SFE
10.7MA8
2
LFP1
R/L
PE-31009
FM
MPX
Filter
Block
tL.
2
MW/LW
SECTION
SEMICONDUCTORS
IC3
:
|
HA1197
or
LA1240
1
Q201
2SC
1815
or
2SC
374BL
1
D201,
202
CDG24
2
:
|
CAPACITORS
C201,
202,
|
50CE103-50K
Ceramic
0.01
uF
203, 204,
C205,
210
206
50CE102-50K
CeramicO.001uF
50WV
C207,
209
|
50AL479-16E
Elect
4.7uF
16WV
C208
50AL101-16E
Elect
+100uF
16WV
C211
213,
|
50CE473-50K
Ceramic0.047uF
SOWV
C212,
50CE203-50K
Ceramic
0.02uF
214,221
|.
C215
*
|
50CE200-50J
Ceramic
20PF
5OWV
C217
50CE470-50J
Ceramic
47PF
50WV
C218
5O0CE
100-50J
Ceramic
10PF
50WV
C219
50PS151-50J
“Poly
150PF
50WV
C220
50PS361-50J
Poly
360PF
5OWV
|
TRIMMERS
TC201,
202
|
Trimmer
CAP
ECV-12W
20x31
7.
RESISTORS
R201,
204,
209,
R210,211
60F103-%J
Carbon
10K
ohm
Carbon
15K
ohm
R203
R205
60F152-%J
60F333-%J
Carbon
1.5K
ohm
Carbon
33K
ohm
60F562-%J
R208,
213
|
60F102-%J
Carbon
5.6K
ohm
Carbon
1K
ohm
60F101-%J
Carbon
100
ohm
60F104-%J
Carbon
100K
ohm
“%W
SEMIFIXED
RESISTORS
VR201
#16004(SR19R-B)|
Carbon
2.2K
ohm
“WJ
COIL
&
INDUCTORS
L201
.|
PE-30101A
MW
OSC
COIL
L202
PE-30120
LW-OSC
COIL
L203
PE-30124
Inductor
18mMH
L204
PE-31012
Inductor
4.74H
1—-T201
PE-30121
AM
IFT
W/Ceramic
IF
T202
PE-30103
AM
IFT
REGULATER
SECTION
SEMICONDUCTORS
KTD880GR
2SC1815
or
2SC
374BL
1N4002
M2314
:
CAPACITORS
C301,
302,
|
50CE103-500J
Ceramic
0.01KF
500WV
C304
50AL102-25E
|
Elect
1000uF
25WV
C305
©
50CE103-50K
Ceramic
0.01
uF
50WV
C306,
307
|
50AL221-16E
Elect
220uF
16WV
RESISTORS
60M100-“%K
Metal
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|
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