Teac W-860R - 2 ADJUSTMENTS AND CHECKS; Mechanical Adjustments

W-860R
2 ADJUSTMENTS AND CHECKS
aes CEES
2-1
MECHANICAL
ADJUSTMENT
2-1
ReBORE
2-1-1
Wow
and
flutter
(playback
method)
2-1-199-D75v9
(Beh)
In
both
FWD
and
REV
play
modes,
these
measurements
should
FWD,
REVij
ACF
—-
TORY,
HH,
BHO
HE
be
made
at
the
beginning,
middle,
and
the
end
of
the
tape.
TA.
1.
Connect
a
wow-and-flutter
meter
to
the
LINE
OUT.
1.
LINE
OUT#@FIZ79
-
77
VIR-Y—-EBMT
So
2.
Load
and
play
a
TEAC
MTT-11IN
test
tape.
2.7TAKF—-—TMTIT-LINE
BETA,
3.
Check
that
the
readings
on
the
wow-and-flutter
meter
is
3.7979
>
777
F8250.19%
(MS
WTD)
LAF
CHAZC
LE
within
0.19%
(JIS
WTD).
HEARTS.
2-1-2
Tape
speed
2-1-2
F-—FAE—K
1.
Connect
a
frequency
counter
to
the
LINE
OUT.
1.
LINE
OUT¥iF
IRR
ADY
Y—-EERTS.
2.
Load
a
TEAC
MTT-111N
test
tape
and
play
in
FWD
2.7
ALF
—STMTT-LIND
AGO
Be
FWD
CHES
direction
the
beginning
of
the
test
tape.
Bo
3.
Adjust
each
variable
resistor
to
get
the
following
values.
3.
REVUES
TROMAANILG
SIAL
SRVRE
AE
$So
Adjustment point | Adjustment value
HIGH speed | VR2 6,000 + 30Hz
REc/PLay [ _vR2 |
LOW speed | VR1 3,000 + 20Hz
HIGH speed 6,000 + 30Hz
Rec/pLay I
LOW speed 3,000 + 20Hz
rt] HIGH SPEED
LOW SPEED
Fig. 2-1
4.
In
play
mode,
check
that
the
following
values
are
obtained
at
4.
BOP
SRR
ECHEL,
RHIETHBT
AZ,
the
beginning
and
end
of
the
tape.
RHR
>:
12HZzA
(14
AE
F)
Speed
drifting:
Within
120Hz
(HIGH
speed)
6OHZLLA
(a
—-
AK
Ff)
Within 60Hz (LOW speed)
2-1-3
Reel
torque
2-1-3
U—JLNILDZ
1.
Load
the
cassette
torque
meter
on
the
deck
and
read
the
LAty
hh
AA-Y-(LANE
EAT
AOMA
pointer
indication
on
the
dial
scale
for
each
tape
transport
ACHSOLXEBRTA,
operation.
The
measured
torque
should
be
within
the
FAZT
IS
EN
2
30~70g-cm
following
specified
values.
NIFTY
YAY
bw
215~6g-cm
Take-up:
30
to
70g-cm
BK)
ARR
L
AZ
2
70~150g-cm
Supply: 1.5 to 6g-cm
FF/REW:
70
to
150g-cm
KILI
X-9—
MTT-8111W: BRO RUA ENY PF YY ay (FWDHS)
Torque
meter
MTT-8121W
:
BMY
hWZ
EN
DF
YY
ay
(REVA)
MTT-81
11W:
Forward
torque
&
back
tension
MTT-8242
:
BA)
/RRULRUZ
MTT-8121W:
Reverse
torque
&
back
tension
MTT-8242:
Fast
forward
&
rewind
static
torque