Teac A-7300RX - Page 2

1.
GENERAL
DESCRIPTION
TEAC’S
A-7300RX
is
a
high
quality
stereo
tape
deck
representing
a
new
Generation
in
the
design
and
construction
of
recording
equipment.
It
contains
all
of
the
features
which
made
the
earlier
A-7300
a
highly
rated
open
reel
tape
deck.
In
addition
the
A-7300RX
has
built-in
dbx*
noise
re-
duction
circuitry
for
superior
live
recording
capability.
This
deck
includes
dbx
type
I
Noise
re-
duction
system,
MPX
filter,
CUE
system,
PITCH
CONT,
EDIT
function
system,
etc.
We
have
produced
the
new
A-7300RX,
to
provide
complete
flexibility
in
selection
of
recording
tapes
and
to
provide
state
of
the
art
quality
in
your
deck.
The
basic
design
of
the
A-7300RX
is
highly
similar
to
that
of
the
A-7300.
Therefore
much
of
the
information
in
this
Service
manual
may
be
applied
to
the
A-7300
also.
*
dbx
noise
reduction
system
made
under
license
from
dbx,
Incorporated.
The
word
dbx
and
the
dbx
symbol
are
trademarks
of
dbx,
Incorporated.
NOTE
1.
When
placing
an
order
for
parts,
please
refer
to
the
PARTS
LIST
which
is
printed
separately
from
this
manual.
:
2.
File
the
PARTS
LIST
manual
together
with
this
SERVICE
MANUAL,
Future
TECHNICAL
INFORMATION
sheets
should
also
be
kept
with
these.
3.
Section
numbers
and
Fig.
reference
numbers
are
not
directly
related.
TABLE OF CONTENTS
1.
GENERAL
DESCRIPTION
.............-
3
2.
SPECIFICATION
AND
SERVICE
DATA
.....
4—5
3.
TOOLS
FOR
TESTING
AND
MAINTENANCE
.
5
4.
PARTIAL
DIS-ASSEMBLY
..........-.--
6-9
5.
PARTS
LOCATION
..........0---0000-
10
6.
SERVICING
AND
MAINTENANCE
........
11
7.
HEAD
REPLACEMENT
AND
ALIGNMENT...
—
12
8.
MEASUREMENT
AND
ADJUSTMENT-
MECHANICAL
........00-00
0c
eee
eee
13-16
9.
BLOCK
AND
LEVEL
DIAGRAMS
.........
17
10.
MEASUREMENT
AND
ADJUSTMENT-
ELECTRICAL
ita
ogee
cece
wt
week
2
18-27
11.
TROUBLESHOOTING
.-.......--..----
28-29
12. DB CONVERSION TABLE AND TENSION/
TORQUE FORMULA .................- 30