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STR-V25
2-2,
DIAL
CORD
STRINGING
1.
Preparation
9-911-825-32
Cord, dial; 0.3mm dia
g
/ \
whe / ti
Crimp the eyelet
and then apply
gh
locking compound.
ws
:
'1394mm___
-
»)
(55 inches)
[i
=
OMT:
——_—_
4h
5 —6mm
.
2.
Stringing
1).
Turn the tuning capacitor shaft fully clockwise,
and
set
the
dial
drum
to
the
position
as
illustrated.
2).
Follow the stringing procedure in the numerical
order given.
°
® Receive a broadcasting-station signal
and set the dial pointer to the
frequency of the station on the dial
scale.
® After stringing,
(7) String below
apply suitable
ee
the dial pointer guide.
locking compound.
o>
=
sh
Lr ee
,
\
°
7
~~
o
7
:
vs
|
dial pointer
@ two and half ZA
BS.
'iki ass oS
turns
>
Z
ara
:
4 ~/
VU
>
Ry
ea
5)
—=
i
§
aS
@ String below
SQ
(4) three turns
the lead wires.
dial drum
|@ one turn}
r
——@
E
°
@ Hook the spring
to the boss.
®
ete eceae
half turns
O (inch)
STR-V25
SECTION
3
ELECTRICAL
ADJUSTMENTS
TUNER SECTION |
FM Discriminator Alignment 1
Setting:
MODE
switch:
MONO
VOM
frange: 2.5 V de}
Procedure:
di
Detune the set.
2,
Adjust the red core (primary-side) of IFT801
for 0 V dc reading on VOM.
17
/C8071
Dio
9
Note: Repeat the secondary-side and primary-
side adjustments several times.
—c-
R832
0807 —"°& ca02
lFT80O1
(primary-side : red)
tuner board
IFT807
(secondary-side : black)
FM Discriminator
Alignment
2
Setting:
MODE
switch:
MONO
FM antenna REC OUT
Carrier frequency:
98MHz
terminal
Output level:
1 mV
(60 d8)
Modulation:
400 Hz, 75 kHz deviation
(100 %)
Procedure:
Adjust
the
black
core
(secondary
side)
of
IFT801 for minimum distortion.
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