Teac A-7300RX - Page 4

Fast Forward Torque
Fast
Forward/Rewind
Time
Brake
Torque
Pitch Control
Counter
Accuracy
2-3
SERVICE
DATA
—ELECTRICAL—
Frequency
Response
Signal-To-Noise
Ratio
Erase Efficiency
Crosstalk
Rejection
Stereo
Channel
Separation
Total
Harmonic
Distortion
1,900
g
cm
+100
g
cm
(26
oz-inch)
150
seconds
for
1,800
foot
tape
2,200
g
cm
+100g
cm
(31
oz-inch)
3,000
Hz
+5%
or
more
+1.5% at 15 ips play mode
Refer to Frequency Response Limits chart
Overall: 60 dB or higher with dbx,
48 dB or higher without dbx
65 dB or more at 1 kHz signal
(measured with input 10 dB higher than the specified Input
Level)
35 dB or more, adjacent track at 125 Hz
45 dB or more, channel to channel at 1 kHz
Overall: 0.8% with dbx at 1 kHz normal operating level
NOTE:
Service
Data
were
determined
using
TEAC
YTT
Series
Test
Tape.
Improvements
may
result
in
feature
or
specification
and
service
data
changes
without
notice.
3.
TOOLS
FOR
TESTING
AND
MAINTENANCE
A
minimum
of
the
following
tools
and
test
instruments
are
required
for
measuring
and
adjusting
to
obtain
optimum
performance.
Regular
maintenance
tools
will
be
adequate
for
those
not
listed
here.
If
any
test
instrument
listed
here
is
not
available,
a
close
equivalent
can
be
used.
WOW
AND
FLUTTER
METER........
AC
VTVM
..
0...
ee
cee
eee
ees
DIGITAL
FREQUENCY
COUNTER
....
BAND-PASS
FILTER
.........-.---
OSCILLOSCOPE
.........----005:
AF
OSCILLATOR
.........---++--
ATTENUATOR
....---
+--+
seer
eres
DISTORTION
ANALYZER
.........-.-
TOOLS
..
1
cee
ee
ee
ees
HEAD
DEMAGNETIZER
.........--
TEAC
TEST
TAPE
........----0555
TEAC
EMPTY
REEL
.......---.----
Meguro
Denpa
Sokki
K.K.,
Model
MK-668A
or
D
&
R
Co.,
Model
FL4B
Hewlett-Packard
Co.,
Model
400E
(0.1
mV
—
300
V)
Range;
10
Hz
—
100
kHz
1
kHz
narrow
band-pass
type
General
Purpose
10
Hz
—
100
kHz
General
Purpose
Basic
Freq.
400
Hz/1
kHz
Spring
scale;
O—-4
kg
(0-8
Ibs)
O—1
kg
(O—2.2
Ibs)
Hex
head
Allen
Wrench,
Plastic
alignment
tool,
Load
resistor
non-inductive
type
8
ohm/1
W
TEAC
E-3
or
equivalent
YTT-1003
(7-1/2
ips),
YTT-1004
(15
ips)
for
Playback
Alignment
test,
YTT-8013,
YTT-8003
and
YTT-8023
for
Recording
test,
YTT-2003
(7-1/2
ips),
YTT-2004
(15
ips)
for
Tape
Speed
and
Wow/
Flutter
test
RE-702
(2.5”
dia,
hub),
RE-701
(4”
dia,
hub)