Teac V-7010 - ADJUSTMENTS AND CHECKS; Mechanical Adjustments - Tape Speed; Mechanical Adjustments - Wow and Flutter

~
|
V-7010/V-5010
3
ADJUSTMENTS
AND
CHECKS
ase
&
head
3-1
MECHANICAL
ADJUSTM
NTS
3-1-1 TAPE SPEED
1,
Connect
a
frequency
counter
to
the
deck
as
shown
in
Fig. 3-1.
_
Load
a
TEAC
MTT-111N
test
tape
and
play
the
beginning of the test tape.
.
Adjust
the
variable
resistor
(Fig.
3-2)
to
get
the
adjustment
value
of
3,000Hz
to
3,010Hz
(V-5010
only}.
4.
In
play
mode,
check
that
the
following
figures
are
obtained
at
the
beginning
and
at
the
end
of
the
tape.
Speed
deviation
:
3,000Hz
+
30Hz
(V-7010)
3,000Hz + 60Hz (V-5O10)
Speed
drifting;
within
15Hz
(V-7010)
within 80Hz (V-5010)
w
Frequency Counter
Wow and
Flutter Meter
DECK under
TEST
{R)
OUTPUT
Fig. 3-1
3-1-2
WOW
AND
FLUTTER
(PLAYBACK
METHOD)
_
Connect
a
wow
and
flutter
meter
to
the
deck
as
shown
in
Fig,
3-1.
Load
and
play
a
TEAC
MTT-11IN
test
tape.
3,
Check
that
the
readings
on
the
wow
and
flutter
meter
are as follows.
Specifications
:
9.050
%
WRMS
(V-7010)
©
0.065 % WRMS (V-5010)
a
N
3-1-3 REEL TORQUE
1.
Load
the
cassette
torque
on
the
deck
and
read
the
‘pointer
indication
on
the
dial
scale
for
each
tape
transport
operation.
The
measured
torque
should
be
within
the
following
specified
values.
Specifications
:
Take
up:
35~80g-em
(TW-21i1)
Supply
:
4~10g¢
+
cm
(TW
-211))
F.
F,
/REW:
7o~160g+
cm
(TW-2231)
-
3-1 EMO ME
34-17 —-F°RE-F
1.
Fig.
3-1
DADRA
I
YF
EET
So
2
FALF—-T
MTT-111N
ORBHeEBET
Se
3,
ARBs
3,000~3,010Hz
OFA
Fig.
3-202
T
VRE
HTS.
(V-5010
OF)
4,
Bebb
DAE
YD
SE
CRHEL.
PIE
AES
L
ORGS
ES
Bo
JRAEGRSE
+
3,000Hz
+
30Hz
(V-7010)
3,000Hz
+
60Hz
(V-5010)
a
i)
Wi:
1SH2LA
(V-7010)
GOH2 LAA CV-5010)
Se ae
Capstan motor
Fig. 3-2
31-2 DIFF F—
(BAEK)
Hs
F-TORMD,
Pia.
HER
THIET
So
1.
Fig,
3-LOLSETII*
77
y-A-F-ENRT
So
2
FARF-PMTT-1INEHET
So
,
379+
7579
-RENEQ
FHOMBILAS
ko
Hk:
0.050
%
WRMS
(V~7010)
0.065
%
WRMS
(V-5010)
3-4-3 UJ bh IV?
Lay
hb
AK
FH
EY
Wie.
We
GAT
FICO
TMA
KbSL
eo
FART
YTPNI:
35~60g
*cm
(TW-2111)
RyyFyyvavbh7
i
4~Wgecm
(TW-21i1)}
mye
RRL
bab?
:
"
70~160g
+
cm
(TW-2231)