Teleton TFS-70 - User Manual

,
a
Germany:
TELETON
Elektro
GmbH.
4000
Dusseldorf-Rath
Oberhausener
Str.
17
ic
rm
Tel.
(0211)
65
30
81
TX
858
6768
i
a
ae
ee
United
Kingdom:
TELETON
Electro
(UK)
Co.,
Ltd.
SERVI
CE.
VMI
AN
UAL
eee
eee
Lane,
Tel. Chelmsford 62 442 TX 99 338
;
n-Fi
M
W
/LW
y
SW
Y,
EFM
Technical
Service
Organization
Waterhouse Lane, Chelmsford, Essex.
:
Tel.
0245-54621
TX
99338
Stereo
Receiver
Belgium:
TELETONNV.
2200 Borgerhout Belgium
MODEL
TFS-
70
Prins-Leopold-Straat
28
Tel. 03/361045 TxX32508
03/357670
Netherlands:
TELETON
NEDERLAND
B.V.
Marconiweg
10.
Vianen
Tel.
03473-3744
TX
40581
France:
TELETON
Electro
(France)
S.a-rt.
21
rue
Paul
Lafargue
94270
Le
Kremlin-Bicétre
Tel.
677
6934
TX24
468
Switzerland: TRANSACO AG
Kanzleistrasse 126 8004 Zurich
Tel. 39 45 60/23 50 40 TX 52 3262
CABINET
EXPLODED
VIEW
1.
Adjustment
of
Main
Amp.
When transistors Q711, 712, 713, 714 are exchanged, the
following adjustment is necessary:
1-1 Measuring Equipment
(a) Current Meter
1-2 Condition of the Set
e: P ine is 2
Upper Cabinet ay Ping Boat a: ee
Punetung Koad Bx4 | (p= —,
( d Bx f Bove oN
a a Secs
(a) Treble... ......02. Middle Position
(i) Bass 2.4) oo dat Sore Snes Middle Position
(c) Volume .......... Minimum
(d)Balance .......... Middle Position
(e) Muting, AFC, Loudness, Tape, Low, High ........
Stopper Plate Crd OFF Position
(f) ST/MONO......... ST
vere
te
ee
(g)
Mode
............
AUX
(ak Cabin - (h) Speaker... 2.0.00... A
A QUA 6 oc ea Gee ade: 3 ST
=
1-3 Adjustment
Stepner
(a)
Adjust
VR701,
VR702
to
middle
position.
Diseases
=
:
(b)
Connect
the
Current
Meter
@
Side
to
Terminal
3(Rch.)
Pater
ee
oo
ee
or
4(Lch.)
on
the
Fuse
Board
A,
and
the
Current
Meter
oe
ae
c
©
Side
to
Terminal
1(R
ch)
or
2(L
ch).
(c) Adjust VR702 to 40 mA £3 mA.
<i aa (dj Set the Current Meter to L Channel.
pee (e) Adjust VR701 to 40 mA +3 mA.
Figure 1 (f) Repeat Procedure a - d several times.
CABINET
REMOVAL
2,
AM
IF
Adjustment
;
:
2-1
Measuring
Equipments
Remove six screws on the cabinet sides.
,
(a)
AM
Standard
Signal
Generator
Remove two screws on the cabinet rear.
Pull backward the upper cabinet, then this will be removed. (b) Audio Oscillator
Remove
all
screws
(includes
foot
screws),
then
the
lower
cabinet
(c)
ut
put
Meter
(V.T.V.M)
(d)
Oscilloscope
will
be
removed.
(e) Dummy
Load
82
50W
ADJUSTMENT INSTRUCTIONS 2-2 Preparation of Adjustment
(a) Volume: Max., Mode: MW, Others: same as procedure 1-2
(b) Measuring Connection is as follows:
FwWN >
Audio-Osc.
(3kHz) Out s
AM _IF Board Terminal
Standard sa, Soe!
Signal Generator : Dummy toad Oscilloscope
EXT 10K 9.01
O QO
@ w—tt
> a
Figure 3
2-3 Adjustment
(a) Set S.G. to 465 KHz (Mod. 400 Hz 30%) 80 dB, and
adjust IF cores of T401, T402, T403 and T404 for maxi-
mum output reading.
Adjust the Attennator of S.G. according to increase the
Output, and put the output reading to 500 mW (2¥V)
Figure 2 appro

Teleton TFS-70 Specifications