Teac C-3RX User manual
TEAC.
SERVICE
MANUAL
—C-3RX
Stereo
Cassette
Deck
|
Effective:
June,
1981
B10049
,
5704010000
G3RX
1
SPECIFICATIONS
AND
SERVICE
DATA
NOTES:
1.
Improvements
may
result
in
changes
in
specifications
and
service
data.
2.
0
dB
is
referenced
to
0.775
V
in
this
manual.
SPECIFICATIONS
Track
System
4-track,
2-channel
stereo
Heads
3:
Erase,
record
and
playback
Type
of
Tape
Cassette
tape,
C-60
and
C-90
(Philips
type)
Tape
Speed
4.75
cm/s
(1-7/8
ips)
Input
(level
and
impedance)
:
MIC:
Specified
input
level:
—57
dB
(1.09
mV)/10k
ohms
Minimum
input
level:
—67
dB
(346
uV)
LINE
IN:
Specified
input
levei:
—9
dB
(275
mV)/50k
ohms
Minimum
input
level:
—19
dB
(86.9
mV)
Output
(level
and
impedance)
OUTPUT:
Maximum
output
level:
—2.5
dB
(581
mV)/50k
ohms
Specified
output
level:
—5
dB
(436
mV)
PHONES:
Specified
output
level:
—15.8
dB
(126
mV)/8
ohms
Equalization
METAL:
3180
us+
70
us
CO
(Cr0,):
3180
us
+
70
us
NORMAL:
3180
us
+
120
us
Head
Configuration
1/2-track,
1-channel
erase
head
1/4-track,
2-channel
record
head
and
playback
head
in
a
single
housing
Motors
1
FG
servo
capstan
DC
motor
1
DC
reel
motor
Bias
Frequency
100
kHz
+5
kHz
Operation
Position
Horizontal
Power
Requirements
100/120/220/240
V
AC,
50/60
Hz,
41
W
(General
export)
120
V
AC,
60
Hz,
41
W
(U.S.A./Canada)
220
V
AC,
50
Hz,
41
W
(EUR)
240
V
AC,
50
Hz,
41
W
(U.K./Australia)
Weight
9.5
kg
(20-15/16
Ibs.)
net
Dimensions
See
Fig.
3-2
*
Dolby
Noise
Reduction
System
manufactured
under
Jicense
from
Dolby
Laboratories
Licensing
Corporation.
‘Dolby’
and
the
double-D
symbol
are
trademarks
of
Dolby
Laboratories
Licensing
Corporation.
**
dbx
Noise
Reduction
System
made
under
license
from
dbx,
Incorporated.
The
name
dbx
and
the
dbx
symbol
are
trade-
marks
of
dbx,
Incorporated.
SERVICE
DATA
MECHANICAL
Tape
Speed
Deviation
3,000
Hz
+45
Hz
Tape
Speed
Drift
30
Hz
Wow
and
Flutter
Playback:
0.08%
(WRMS)
Record/playback:
0.25%
(RMS)
Pinch
Roller
Pressure
390
g
to
490
g
(13.8
02
to
17.3
02.)
Reel
Torque
Takep-up:
45
to
65
g-cm
(0.62
to
0.90
oz-inch)
Supply:
3
to
8
g-cm
(0.042
to
0.11
02-inch)
F.F.&
REW:
90
to
160
g-cm
(1.25
to
2.22
oz-inch)
Fast
Winding
Time
90
seconds
for
MTT-501
(C-60)
ELECTRICAL
Frequency
Response
See
Figs.
5-5,
5-7
and
5-8
Signal-to-noise
Ratio
Playback:
METAL,
Co
(CrO,):
52
dB
min.
NORMAL:
48
dB
min.
Overall:
METAL,
Co
(CrO,):
48
dB
min.
NORMAL:
45 dB
min.
S/N
is
improved
by
5
dB
at
1
kHz
and
10
dB
above
5
kHz
when
Dolby*
NR
is
used.
Erase
Efficiency
65
dB
min.
at
1
kHz
(measured
with
input
10
dB
higher
than
the
specified
input
level)
Channel
Separation
35
dB
min.
(NR
-
QUT),
50
dB
min.
(NR
-
dbx**)
at
1
kHz.
Adjacent
Track
Crosstalk
40
dB
min.
at
125
Hz
Total
Harmonic
Distortion
2.0%
or
less
(NR
-
OUT),
1.5%
or
less
(NR
-
dbx)
with
NORMAL,
Co
(Cr0.)
and
METAL
tapes
CAUTION
A
Parts
marked
with
this
sign
are
safety
critical
components.
They
must
always
be
replaced
with
identical
components
-
refer
to
the
TEAC
Parts
List
and
ensure
exact
replacement.
2
PARTS
LOCATION
POWER
TRANSFORMER
REMOTE
PCB
ASSY
DBX
PCB
ASSY
POWER
SUPPL
PCB
ASSY
JOINT
PCB
ASSY
=
i
REEL
MOTOR
CAPSTAN
MOTOR
REC/PLAY
LEVER
SWITCH
AMPL.
PCB
ASSY
PCB
ASSY
Fig.
2-1
SUPPLY
TAKE-UP
COUNTER
REEL
MOTOR
REEL
TABLE
REEL
TABLE
CAPSTAN
FAST-FORWARD
PINCH
ROLLER
ERASE
HEAD
PINCH
ROLLER
CASSETTE
MOTOR
SOLENOID
SOLENOID
HOLDER
TENSION
ARM
REC/PLAY
HEAD
HEAD
BASE
SOLENOID
Fig.
2-2
Fig.
2-3
H
i
]
3
C-3RX
3
REMOVAL
OF
EXTERNAL
COMPONENTS
Disassemble
in
number-order
LIMITED
AREA
Broken
line
indicates
the
dimensions
of
some
general
export
models.
Fig.
3-2
Dimensions
Fig.
3-1
|
C-3RX
|
4
MECHANICAL
ADJUSTMENTS
AND
CHECKS
4-1
REEL
TORQUE
1.
Load
the
cassette
torque
meter
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
values:
.
Take-up:
45
to
65
g-cm
(0.62
to
0.90
oz-inch)
Supply:
3
to
8
g-cm
(0.042
to
0.11
oz-inch)
F.F.and
REW:
90
to
160
g-cm
(1.25
to
2.22
0z-inch)
4-2
PINCH
ROLLER
PRESSURE
1.
With
the
cassette
holder
shut
and
no
tape
loaded,
put
the
deck
in
PLAY
mode.
2.
Hook
a
spring
scale
on
the
tap
of
the
pinch
roller
assembly
plate,
as
shown
in
the
illustration.
3.
Pull
the
scale
down
until
there
is
sufficient
force
to
separate
the
pinch
roller
from
the
capstan
shaft.
4.
Ease’
pressure
until
the
pinch
roller
makes
just
enough
contact
with
the
capstan
shaft
so
that
the
pinch
roller
just
begins
to
turn.
At
this
point,
note
the
reading
on
the
scale.
It
should
be
from
390
g
to
490
g
(13.8
oz.
to
17.3
02.)
5.
If
the
pressure
is
not
within
the
prescribed
specifications,
it
may
be
adjusted
by
first
removing
the
pinch
roller
spring
from
the
pinch
roller
assembly
and
then
bending
the
spring
as
shown
in
the
illustration.
stronger
stronger
KZ
y
weaker
Fig.
4-1
4-3
HEAD
BASE
PLATE
POSITIONING
1.
Set
the
deck
in
the
PLAY
mode.
, ;
2.
Push
the
head
base
plate
by
hand
in
the
direction
of
the
arrow
and
check
that
the
head
base
plate
and
the
stopper
portion
of
the
mechanism
chassis
make
contact.
3.
If
there
is
any
clearance,
loosen
the
two
screws
on
the
head
base
plate
solenoid
and
reposition
the
solenoid
until
the
clearance
is
eliminated.
Head
base
plate
Stopper
portion
of
mechanical
chassis
There
should
be
no
clearance
at
this
point.
Push
by
hand
T-1554-1
when
in
PLAY
mode
23
Fig.
4-2
Screws
Head
Base
Solenoid
Fig.
4-3
Head
base
solenoid
location
4-4
CAPSTAN
ASSEMBLY
THRUST
1.
Turn
the
thrust
adjusting
screw
so
that
thrust
of
the
capstan
shaft
is
within
0.05
mm
to
0.15
mm.
Thrust
play
0.05
mm
to
0.15
mm
ily
—)|__ez
Ue
J
Thrust
adjusting
screw
Flywheel
i
|
|
|
:
|
C-3RX
4-5
TAPE
SPEED
1.
2.
Connect
a
frequency
counter
to
the
deck
as
shown
in
Fig.
4-5.
Play
a
tape
for
about
five
minutes
to
warm
up
the
deck,
then
load
a
TEAC
MTT-111
test
tape
containing
a
3000-Hz
test
tone
and
play
the
test
tape
from
the
beginning.
While
the
tape
is
playing,
use
a
common
slotted
screwdriver
with
the
handle
completely
insulated
from
the
blade,
and
adjust
the
control
on
the
capstan
motor
(as
far
as
possible)
for
a
reading
of
3000
Hz
(£5
Hz)
on
the
frequency
counter.
.
Play
the
tape
at
the
beginning
and
at
the
end,
and
check
that
the
speed
deviation
is
within
the
prescribed
limits
by
observing
that
the
reading
on
the
frequency
counter
never
deviates
more
than
+45
Hz
from
3000
Hz,
nor
drifts
more
than
30
Hz
at
any
given
time.
.
!f
the
tape
speed
is
not
within
the
prescribed
specifications,
check
the
pinch
roller
pressure
and
the
tape
transport
mechan-
ism
for
any
abnormality,
and
make
sure
the
tape
path
is
clean.
Frequency
Counter
Oscillator
Wow
&
Flutter
Meter
DECK
[_—_—_junder
TEST
{R
(
LINE
IN
)
OUTPUT
Fig.
4-5
Tape
speed
control
Fig.
4-6
Tape
speed
adjustment
location
4-6
WOW
AND
FLUTTER
Note:
These
measurements
should
be
made
at
the
beginning,
middle,
and
the
end
of
the
tape.
1)
PLAYBACK
1.
Connect
a
wow-and-flutter
meter
to
the
deck
as
shown
in
Fig.
4-5.
2.
Load
and
play
a
TEAC
MTT-111
test
tape.
3.
Check
that
the
reading
on
the
wow-and-flutter
meter
is
within
0.08%
(WRMS).
2)
SIMULTANEOUS
RECORD/PLAYBACK
METHOD
STANDARD
Speed
4.
Load
a
TEAC
MTT-501
test
tape
(blank)
and
record
a
3000-Hz
signal.
5.
With
the
MONITOR
switch
in
the
TAPE
position,
note
the
read-
ing
on
the
wow-and-flutter
meter,
it
should
not
be
more
than
0.25%
(RMS).
3)
NON-SIMULTANEOUS
RECORD/PLAYBACK
METHOD
6.
Rewind
the
tape
to
the
beginning
of
the
recorded
section
pre-
viously
made
in
step
4,
and
play
it.
7.
The
wow
and
flutter
should
not
be
more
than
0.25%
(RMS).
4-7
MICROSWITCH
(A)
ASSEMBLY
CLEARANCE
1.
Insert
a
blank
cassette
and
close
the
cassette
holder.
2.
Loosen
the
two
screws
on
the
microswitch
(A).
3.
Move
the
switch
so
that
actuator
of
the
switch
contacts
the
safe-
ty
lever.
4.
Adjust
the
switch
position
to
obtain
a
clearance
of
between
0.1
mm
to
0.3
mm.
5.
Retighten
the
screws,
Safety
lever
Blank
cassette
(
T-1556
0.1
mm
to
0.3
mm
clearance
Actuator
Safety
lever
Bent
tip
of
switch
bracket
Fig.
4-7
4-8
MICROSWITCH
(B)
ASSEMBLY
CLEARANCE
1.
2.
3.
Push
the
EJECT
button
to
open
the
cassette
holder.
Loosen
the
two
screws
on
the
microswitch
(B).
Move
the
switch
so
that
switch
actuator
contacts
the
bent
pro-
jecting
portion
of
the
eject
lever.
.
Adjust
the
switch
position
to
obtain
a
clearance
of
approximate-
ly
1
mm.
Retighten
the
screws.
—
Actuator
earance
of
rox.
7mm
Fig.
4-8
C-3RX
4-9
LUBRICATION
:
Lubrication
is
only
required
when
parts
are
replaced.
For
this
pur-
pose,
use
the
oil
and
grease
specified
below.
Oil:
TEAC
spindle
oil
(from
TEAC
TZ-255
oil
kit),
Mobil
D.T.E.
Oil
Light,
or
equivalent
Grease:
ORE-LUBE
G1/3
or
equivalent
1.
Apply
a
drop
of
oil
with
an
oil
applicator
to
a
point
about
1/3
the
way
down
the
shaft
(from
the
free
end)
of
the
flywheel,
then
_
insert
the
shaft
into
the
capstan
housing.
2.
Apply
a
suitable
amount
of
light
grease
to
the
well
of
the
fly-
wheel
bearing.
Capstan
Flywheel
Ass’y
Well
of
Flywheel
Bearing
Capstan
Shaft
Capstan
Housing
Fig.
4-9
4-10
VOLTAGE
SELECTION
(FOR
GENERAL
EXPORT
MODELS)
1.
Always
disconnect
the
power
line
cord
before
making
these
adjustments.
2.
Remove
the
top
cover
of
the
deck
by
removing
the
screws
from
the
sides.
3.
Locate
the
voltage
selector,
shown
in
the
illustration,
to
the
front
of
the
power
transformer.
4.
Loosen
the
two
screws
in
the
jumper
bar
and
move
the
bar
so
that
it
jumpers
the
opposing
terminals
marked
with
the
required
voltage
(100,-120,
220
or
240).
5.
Retighten
the
screws
and
replace
the
top
cover.
4-11
AC
POWER
LINE
FREQUENCY
Since
the
C-3RX
uses
a
DC
servo
motor,
50
Hz
or
60
Hz
operation
is
permitted
without
any
change
in
power
line
frequency.
Jumper
bar
Fig.
4-10
C-3RX
|
5
ELECTRICAL
ADJUSTMENTS
AND
CHECKS
PRECAUTIONS
1.
Before
beginning
any
checks
or
adjustments,
clean
and
demag-
netize
the
entire
tape
path.
2.
Make
sure
the
deck
is
properly
set
for
the
voltage
in
your
locality.
:
3.
In
general,
adjustments
and
checks
are
done
in
the
order
of
L-ch
then
R-ch.
Double
REF.
NOs.
and
test
point
designations
indi-
cate
L-ch/R-ch.
(Example:
R11/R21)
4.
For
this
deck,
0
dB
is
referenced
to
0.775
V.
If
you
are
using
an
AC
voltmeter
which
references
0
dB
to
1
V,
appropriate
com-
pensation
should
be
made.
5,
The
AC
voltmeter
used
in
the
procedures
must
have
an
input
impedance
of
1M
ohms
or
more.
6.
Note
the
“Deck
settings”
at
the
top
of
each
chart.
These
settings
must
be
used
for
all
the
checks
in
each
chart
unless
explicitly
stated
otherwise.
OSCILLATOR
pistORTION
ANALYZER
ATTENUATOR
LINE
IN
—70
dB
or
more...
.
What
does
it
mean?
In
reference
to
some
specifications,
you
may
come
across
an
expres-
sion
like:
“—70
dB
or
more”.
This
means
that
the
lower
the
value
of
this
specification,
the
greater
the
absolute
value
of
the
specifica-
tion
and
the
better
the
performance
of
the
deck.
For
instance,
a
noise
floor
of
—76
dB
is
better
than
—70
dB,
because
this
means
that
the
level
of
noise
is
lower.
So
in
this
case,
“—70
dB
or
more”
means
at
least
as
good
a
value
as
—70
dB
and
maybe
even
better,
i.e.,
-71
dB.
OSCILLOSCOPE
AC
Voltmeter
OUTPUT
Fig.
5-1
Basic
test
setup
OSCILLOSCOPE
AMP
SPKR
DECK
:
under
TEST
AC
Voltmeter
OUTPUT
T-813
Fig,
5-2
Test
setup
for
azimuth
check
REC-PLAY
Head
Height/Tilt
Adjusting
Screw
Azimuth
Adjusting
Nut
T-I769
Fig.
5-3
Azimuth
adj.
nut
location
C-3RX
Deck
settings:
TEAC
test
tapes:
MONITOR
sw.:
TAPE
MTT-150:
For
Dolby
level
calibration
NR
SYSTEM
sw.:
OUT
MTT-316:
For
playback
frequency
response
EQ
sw.:
METAL
check
for
METAL,
Co(Cr0,)
5-2
PLAYBACK
PREFORMANCE
;
MTT-216:
For
playback
response
check
for
NORMAL
MEASURING
ADJUST
POINT:
ITEM
SETTING
INPUT
SIGNAL
(or
CHECK)
RESULT
OUTPUT:
Phase:
about
0°
on
‘scope
(Fig.
5-4)
®
Max.
output
on
VTVM
OUTPUT:
Phase:
45°
min.
(315
Hz)
90°
min.
(12.5
kHz)
Conn.:
Fig.
5-2
Azimuth
nut
of
R-P
heads
{Fig.
5-3)
1.
REC/PLAY
head
azimuth
OUTPUT
cont.:
convenient
output
level
position
pan
neon
“
MTT-150
MTT-316
(12.5
kHz)
;
TP1/TP2:
—2.5
dB
(581
mV)
®@
Spec.
setting
of
OUTPUT
cont.
@
Spec.
output
level
OUTPUT:
—5
dB
(436
mV)
3.
Specified
output
level
EQ:
METAL,
Co(CrO,)
Adjust
for
10
kHz
signal
at
same
level
as
ref.
signal
(315
Hz)
5.
Frequency
response
|
-
-
-
~~
---
---~-~-4------------}-~-----—--|--
---------
OUTPUT:
At
10
kHz,
should
be
3
dB
to
6dB
higher
than
measured
in
above
step.
OUTPUT:
R10/R20
Fig
55
EQ:
NORMAL
MTT-316
Fully-erased
tape:
OUTPUT:
:
{Use
bulk
tape
eraser)
}
:
Ratio
of
spec.
6.
Signal-to-noise
ratio
}EQ:
METAL
.....
etree
ys
.
METAL
......
52
dB
min.
output
of
Co{CrO.)
..
2.2.2...
.
MTT-5061.....
—5
dB
to
noise
NORMAL
.........
.
MTT-501
.....
..48dB
min.
EQ:
NORMAL
Tape:
MTT-216
EQ:
METAL,
Co{CrO2)
(
Tape:
MTT-316
+
N
0°
(IN
PHASE)
45°
90°
180°
RESPONSE
IN
dB
n
FREQUENCY
IN
Hz
Fig.
5-4
Confirming
phase
relationship
Fig.
5-5
Playback
frequency
response
C-3RX
Deck
settings:
NR
SYSTEM
sw.:
OUT
REC-PAUSE
.node
INPUT
sw.:
LINE
5-2
MONITOR
PERFORMANCE
MONITOR
sw.:
SOURCE
OUTPUT
cont.:
Specified
position
(item
3)
MEASURING
POINT:
ADJUST
(or
CHECK)
ITEM
SETTING
INPUT
SIGNAL
RESULT
MIC:
OUTPUT:
400
Hz/—67
dB —5
dB
43
dB
(346
nV)
(308
mV
to
615
mV)
|
LINE
IN:
ouTpuT;
|...
|
Me
sw.
|
“400
Hz/—19
dB
—5
dB
43
oB
(86.9
mV)
(308
mV
to
615
mV)
RECORD
cont.:
Max.
7.
Min.
input
level
input
level
LINE
IN:
.
Specified
set-
400
Hz/—9
dB
Rae
te
oe
psec
ting
of
RE-
(275
mV)
CORD
cont.
8.
ants
specified
input
LINE
IN:
DOLBY
TP
(TP1/TP2):
400
Hz/—9
dB
Check
—2,.5dB
+0.5dB
(275
mV)
(548
mV
to
615
mV)
IMPORTANT:
Do
not
change
the
setting
of
the
RECORD
or
OUTPUT
controls,
after
establishing
their
setting
as
above.
LINE
IN:
¥
400
Hz/—9
dB
Check
eee
(275
mV)
=
LINE
IN:
10,
“TEST
IN”
INPUT
sw.:
TEST
400
Hz/—29
dB
Check
oo
rege
meter:
(27.5
mV)
at
:
LINE
IN:
PHONES:
11.
PHONES
output
|
Connection:
Fig.
5-6
400
Hz/—9
dB
Check
—15.8
dB
+3
dB
level
(275
mV)
(89.0
mV
to
178
mV)
9.
PEAK
LEVEL
meter
AC
Voltmeter
Deck
settings:
MONITOR
sw.:
TAPE
NR
SYSTEM
sw.:
OUT
INPUT
sw.:
LINE
ADJUST/PRE-SET
sw.:
PRE-SET
DECK
under
TEST
OUTPUT
cont.:
Specified
position
(item
3)
SROnES
ao
RECORD
cont.
(L/R):
Specified
position
(item
8)
Zao
:
TEAC
test
tapes:
.
Fig.
5-6
Deane
pious
ok
MTT-5061:
For
record
test
with
Co(Cr0,)
:
MTT-501:
For
record
test
with
NORMAL
5-3
RECORDING
PERFORMANCE
MTT-5072:
For
record
test
with
METAL
MEASURING
ADJUST
POINT:
SETTING
INPUT
SIGNAL
(or
CHECK)
RESULT
BIAS
TRAP
TP
LINE
IN:
'
12.
BIAS
tra
Record-pause
mode
F
L104/L204
(TP3/TP4):
i
No
signal
Min.
reading
LINE
IN:
.
OUTPUT:
BIAS,
EQ:
METAL
400Hz
&
10
kHz
R15/R25
Nearly
equal
tevel
Tape:
MTT-5072
ae
dl
dB
at
both
frequencies
.
LINE
IN:
OUTPUT:
13,
Record:bias
BIAS,
EQ:
Co(CrO2)
400
Hz
&
10
kHz
R14/R24
Nearl
.
°
’
y
equal
level
Tape:
MTT-5061
wie
dB
at
both
frequencies
~
|
LINE
IN:
BIAS,
EQ:
NORMAL
400
Hz
&
10
kHz
heey
aie
Tape:
MTT-501
ica
42
dB
at
both
frequencies
‘|
18,
Erase
efficiency
RESPONSE
IN
4B
14.
Record
level
.
Frequency
response
.
Total
harmonic
distortion
.
Signal-to-noise
ITEM
SETTING
Tape:
METAL
BIAS,
EQ:
Co(CrO,)
Tape:
MTT-5061
BIAS,
EQ:
NORMAL
Tape:
MTT-501
BIAS,
EQ:
METAL
Tape:
MTT-5072
BIAS,
EQ:
Co(CrO.)
Tape:
MTT-5061
BIAS,
EQ:
NORMAL
Tape:
MTT-501
BIAS,
EQ:
MTT-5072
INPUT
SIGNAL
LINE
IN:
(195
mV)
LINE
IN:
(195
mV)
LINE.IN:
(195
mV)
LINE
IN:
400
Hz/—12
dB
400
Hz/—12
dB
400
Hz/—12
dB
Required
signal
/
—42
dB
(6.15
mV)
Required
signal/
—42
dB
(6.15
mv)
Required
signal/
—42
dB
(6.15
mV)
Same
as
above
BIAS,
EQ:
METAL
Tape:
MTT-5072
.
Tape:
MTT-5061
Tape:
MTT-501
BIAS,
EQ:
METAL
Tape:
MTT-5072
,
:
MTT-5072
~—‘Ta
BIAS,
EQ:
Co(CrO,)
BIAS,
EQ:
NORMAL
LINE
IN:
(195
mV)
LINE
IN:
(275
mV)
+
no
signal
LINE
IN:
(275
mV)
1
no
signal
LINE
IN:
(275
mV)
‘
no
signal
®
Connection
is
same
as
in
Fig.
5-1,
but
engage
1-kHz
filter.
©
Record
a
1-kHz
signal.
Rewind
tape
to
midpoint
of
recorded
portion.
Record
a
‘‘no
signal’
portion.
Find
the
difference
between
the
1-kHz
portion
and
the
“‘no-signal’’
portion.
LINE
IN:
1
kHz/+1
dB
(0.869
v)
no
signal
S:
METAL
EQ,
BIAS:
Co
(CrO2)
:
MTT-5061
J
4
——
FREQUENCY
IN
Hz
Fig.
5-7
Overall!
frequency
response
[METAL,
Co(CrO,)]
400
Hz/—12
dB
1
kHz/-9
dB
1
kHz/-9
dB
1
kHz/—9
dB
MEASURING
POINT:
ADJUST
(or
CHECK)
OUTPUT:
OUTPUT:
OUTPUT:
OUTPUT:
OUTPUT:
-
Fig.
5-7
OUTPUT:
Fig.
5-8
OUTPUT:
OUTPUT:
OUTPUT:
OUTPUT:
45 dB
min.
OUTPUT:
65
dB
min.
ratio
RESULT
—8
dB
(308
mV)
—8
dB
(308
mv)
—8
dB
(308
mV)
2%
or
less
distortion
EQ,
BIAS:
NORMAL
Tape:
Ratio
of
spec--
ified
output
of
—5
dB
to
noise
Ref.
output
level:
+5
dB
(1.38V)
MTT-501
3.5
6
00125
400
Ik
7
FREQUENCY
IN
Hz.
Fig.
5-8
Overall
frequency
response
[NORMAL]
Ok
Kk
11
C-3RX
|
12
;
MEASURING
ADJUST
POINT:
(or
CHECK)
ITEM
SETTING
INPUT
SIGNAL
RESULT
e
Connection:
Fig.
5-1,
but
engage
1-kHz
filter.
e@
Record
a
1-kHz
signal.
Push
REC
MUTE
button
for
several
seconds.
Rewind
and
play
the
tape.
Find
the
difference
between
the
1-kHz
portion
and
the
“no-signal’’
portion.
.
REC
MUTE
function
LINE
IN:
BIAS,
EQ:
Co(CrO2)
Ba
OUTPUT:
Ref.
output
Tape:
MTT-506I
tT
65
dB
min.
ratio
SeHEEatA
no
signal
e
Connection:
Fig.
5-1,
but
do
not
connect
LINE
IN
(R),
and
engage
1-kHz
filter.
@
Set
the
deck
to
record
mode.
Find
the
difference
between
the
1-kHz
recorded
portion
(L-ch)
and
the
“no
signal’
portion
(R-ch).
.
Channel
separation
LINE
IN:
ye
BIAS,
EQ:
Co(CrO2)
L-ch
1
kHz/—9
dB
OUTPUT:
Tape:
MTT-5061
(275
mV)
35
dB
min.
ratio
R-ch_
No
signal
e
Connection:
Fig.
5-1,
but
do
not
connect
LINE
IN
(L)
and
OUTPUT
(L).
e
Record:a
125-Hz
signal
on
R-ch
and
note
output
level.
Invert
tape
and
play
R-ch
track.
Check
leakage
level
against
the
output
reference
of
previously
recorded
portion.
LINE
IN:
f
L-ch
No
signal
OUTPUT:
R-ch
125
Hz/—9
dB
40
dB
min.
ratio
(275
mV)
21.
Adjacent
track
crosstalk
BIAS,
EQ:
Co(CrO)
Tape:
MTT-5061
@
Record
a
1-kHz
signal
with
NR
SYSTEM
switch
OUT,
Play
this
portion
with
NR
SYSTEM
switch
set
to
OUT
and
set
to
NR.
Obtain
the
difference
in
output
level
between
OUT
and
NR
positions.
Repeat
the
above
process
using
a
10-kHz
signal.
OUTPUT:
DOLBY
NR
effect
BIAS,
EQ:
Co(Cr02)
LINE
IN:
"UT
Tape:
MTT.5061
1
kHz/—29
dB
Variation
of
Pe:
(27.5
mV)
3
dB
to
8dB
OUTPUT:
Variation
of
8
dB
to
12
dB
BIAS,
EQ:
Co(CrO2)
LINE
IN:
;
10
kHz/—39
dB
©
Tape:
MTT-5061
(8.69
mv)
BIAS,
EQ:
Co(CrO2)
INPUT:
TEST
:
Tape:
MTT-5061
_
ADJUST/PRE-SET
sw.:
R35/R45
fully
CCW
(
O
)
R30/R40
fully
CW
(>)
Record-pause
mode
1
kHz/—-29
dB
RECORD
cont's
|
OUTPUT:
MONITOR
sw.:
SOURCE
(27.5
mV)
(L/R)
—25
dB
(43.6
mV)
Record-pause
mode
ry
eee)
dB
PEAK
LEVEL
meter:
MONITOR
sw.:
SOURCE
(27.5
mv)
0
dB
+2
dB
While
rotating
R35/R45
trim-pots
clock-
wise,
check
that
the
difference
in
OUTPUT
level
between
the
setting
where
R35/R46
a
maximum
output
value
is
obtained
and
when
the
trim-pot
is
set
fully
clockwise
is
more
than
4
dB.
Set
R35/R45
in
the
position
correspond-
ing
to
maximum
output
value.
Check
that,|
R30/R40
when
R30/R40
is
rotated
from
fully
CW
variable
range
Position
to
fully
CCW
position,
OUTPUT
|
checks
level
is
reduced
by
more
than
10
dB.
:
OUTPUT:
Record-play
mode
en
eae
aB
Equal
level
with
;
MONITOR
sw.:
TAPE
{
(27.5
mV)
sap
eetebes
switch,
SOURCE
TAPE
and
SOURCE
LINE
IN:
ADJUST
LINE
IN:
Check
LINE
IN:
1
kHz/—29
dB
(27.5
mV)
Record-play
mode
MONITOR
sw.:
TAPE
variable
range
checks
23.
BIAS/REC
CALIBRATION
(on
front
panel)
LINE
IN:
1
kHz/—29
dB
(27.5
mV)
Record-play
mode
MONITOR
sw.:
TAPE
R30/R40_
;
OUTPUT:
Record-play
mode
400
Hz/—29
dB
MONITOR
sw.:
TAPE
6.3
kHz/—29
dB
RSeihae
es
poral
gata!
12.5
kHz/—29
dB
C-3RX
C-3RX
Deck
settings:
5-5
ADJUSTMENT
AND
TEST
POINT
LOCATIONS
(1)
MONITOR
sw.:
TAPE
.
NR
SYSTEM
sw.:
dbx
. :
INPUT
sw.:
LINE
TEAC
test
tapes:
NOTE:
Adjustor
locations
for
DBX
PERFORMANCE
and
for
PCB
ADJUSTMENT
(5-6)
are
ADJUST/PRE-SET
sw.:
PRE-SET
MTT-5061:
For
record
test
with
Co(Cr0.)
provided
separately.
See
page
15.
OUTPUT
cont.:
Specified
position
(item
3)
MTT-501:
For
record
test
with
NORMAL
NOTE:
MTT-5072:
For
record
test
with
METAL
Test
this
performance
only
after
you
are
sure
that
the.
“5-6
DBX
PCB
ADJUSTMENT”
is
correct.
:
5-4
DBX
PERFORMANCE
ITEM
SETTING
.
Encoder
fevel
setting
.
Encoder
operation
check
(level)
.
Encoder
operation
check
(frequency)
.
Encoder
operation
check
(S/N
ratio)
.
Decoder
level
setting
.
Channel
separation
.
Distortion
.
Signal-to-noise
ratio
RECORD-
PLAY
mode
BIAS,
EQ:
Co(CrO,)
+
Tape:
NR
SYSTEM:
MTT-5061
OUT
NR
SYSTEM:
INPUT
SIGNAL
LINE
IN:
1
kHz/—9
dB
(275
mV)
LINE
IN:
1
kH2/—14.5
dB
(146
mV)
LINE
IN:
1
kHz/—74.5
dB
(146
pV)
LINE
IN:
1
kH2/+5.5
dB
(1.46V)
LINE
IN:
100
Hz/—14.5
dB
(146
mV)
LINE
IN:
10
kH2z/—14.5
dB
LINE
IN:
No
signal
LINE
IN:
1
kHz/—14,5
dB
(146
mV)
LINE
IN:
1
kHz/—14.5
dB
ADJUST
(or
CHECK)
RECORD
cont.
R76/R86
R73/R83
MEASURING
POINT:
RESULT
A/C
term.
on
dbx
PCB:
—2.5
dB
(580
mV)
TP1/TP3
on
dbx
PCB:
—8
dB
(308
mV)
(Ref.1)
TP1/TP3
on
dbx
PCB:
—30
dB
+0.5dB
variation
from
Ref.
1
TP1/TP3
on
dbx
PCB:
+10
dB
+0.5
dB
variation
from
Ref.
1
TP1/TP3
on
dbx
PCB:
+0.5
dB
+1
dB
deviation
from
Ref.
1
TP1/TP3
on
dbx
PCB:
—2.8
dB
+1
dB
deviation
from
Ref.
1
TP1/TP3
on
dbx
PCB:
_
Noise
level:
—40
dB
or
less
OUTPUT:
:
—10.5
dB
(231
mV)
(Ref.2)
OUTPUT:
+0.5
dB
from
Ref,
2
©
Connection:
Fig.
5-1,
but
do
not
connect
LINE
IN
(R),
and
engage
1-kHz
filter.
e
Set the
deck
to
record
mode.
Find
the
difference
between
the
1-kHz
recorded
portion
(L-ch)
and
the
‘no
signal’’
portion
(R-ch).
NR
SYSTEM
sw.:
dbx
BIAS,
EQ:
Co(CrO,)
Tape:
MTT-5061
RECORD-PLAY
mode
BIAS,
EQ:
METAL
Tape:
MTT-5072
BIAS,
EQ:
Co(CrO,)
Tape:
MTT-5061
BIAS,
EQ:
NORMAL
Tape:
MTT-501
Same
as
above
LINE
IN:
L-ch:
1
kHz/—9
dB
(275
mV)
R-ch:
No
signal
LINE
IN:
400
Hz/—12
dB
(195
mV)
LINE
IN:
1
kHz/—9
dB
(275
mV)
No
signal
OUTPUT:
50
dB
min.
ratio
OUTPUT:
1.5%
or
less
(using
3
different
types
of
test
tapes)
OUTPUT:
65
dB
min.
ratio
(using
3
different
types
of
test
tapes)
IMPORTANT:
Do
not
change
the
setting
of
the
RECORD
or
OUTPUT
cont-
|
rols
after
estab-
lishing
this
step.
Ratio
of
1
kHz
output
(—5
dB)
to
noise
R10/R20
R11/R21
R12/R22
R13/R23
R14/R24
R15/R25
R16/R26
R17/R27
R18/R28
R30/R40
R35/R45
L104/L204
Playback
EQ
Playback
level
PEAK
LEVEL
meter
Record
bias
(NORMAL)
Record
bias
[Co(Cr0,)]
Record
bias
(METAL)
Record
level
(METAL)
Record
level
[Co(Cr0,)]
Record
level
(NORMAL)
Record
level
{coarse-adjusted
for
general
setting)
Record
bias
(coarse-adjusted
for
general
setting)
Bias
trap
14
15
5-6
DBX
PCB
ADJUSTMENT
NOTES:
1.
This
section
adjustment
is
not
usually
needed
unless
any
of
ad-
justor(s)
have
been
changed
or
any
component(s)
on
the
PCB
have
sustained
damage,
since
both
the
ENCODER
and
DE-
CODER
sections
have
been
precisely
adjusted
in
the
factory.
2.
For
this
section
adjustment,
it
is
necessary
to
unsolder
the
wires
from
terminals
A,
C,
B,
D,
F,
1,
H,
and
J
on
the
dbx
PCB. Turn
the
deck
OFF
to
prevent
accidental
damage
when
unsoldering
or
resoldering.
3.
Simply
press
the
POWER
switch
to
ON
(all
other
switches
and
controls
on
the
deck
have
no
affect
on
this
adjustment),
then
make
this
section
adjustment.
4.
The
measurement
equipment’s
GND
(0
V)
terminal
should
be
connected
to
the
dbx
PCB’s
E
terminal,
except
in
steps
2
and
3,
and
6
to
8
in
both
the
ENCODER
and
DECODER
adjustments.
5-7
ADJUSTMENT
AND
TEST
POINT
LOCATIONS
(2)
Saaikalt
he.
i
OT
a
Ol
ail
Bist
e
'
@
,
tay
OA
edt
iite
eg
Lge
Lies
Gg
HEE
gy
qe
§
Auda’
Cech
tall
Alsi
a
i
a
Per
ry"
wil
ee.
fs
WN
ll
.
y
ae
j
‘f
7
2
oa
Bhar
res
ie
4
§
Mow
ee
alison
ArH
a
RA,
g
&
cs
dbx
PCB
102
(oy
6.
hte
fi
ge
gstEEe
&
¢
‘i
me
ibe
eke
‘aoe
‘
ie
CO
ii
(em
SU
IS:
4
a
goof
prep
EER
i77°@
&
al
Nall
Badal
Net
:
A
Pa
AY
VV
:
PEW
TW
WA
A
é
SER
ERR
r4
id
Fig.
5-12
R78/R88
and
R77/R87
settings
iw
(Incorrect)
3
o
2
w
=
3
ec
w
(=)
°
oO
w
a
DECODER
Rech
RAO
a
Be
Ce
Fig.
5-13
R78/R88
and
R77/R87
settings
(Correct)
‘
Fig.
5-11
5-6-1
ENCODER
ADJUSTMENT
1.
2.
Distortion:
0.02%
or
less
Output:
3V
or
more
16
Distortion:
0.02%
or
less
Output:
3V
or
more
Preset
all
adjustors
approximately
to
the
center
position.
Make
the
Fig.
5-14
connections,
then
feed
100
Hz,
—8
dB
(308
,
mV)
to
A/C
(INPUT)
terminal.
.
Adjust
R78/R88
to
obtain
a
clear
200
Hz
sine-wave
on
the
oscil-
loscope.
See
Fig’s
5-12
and
5-13.
.
Change
the
connections
to
Fig.
5-15,
then
feed
a
1
kHz/—8
dB
(308
mV)
input
signal
to
the
INPUT
terminal.
Adjust
R76/R86
so
that
AC
voltmeter
reads
—8
dB
(308
mV).
.
With
the
conditions
in
step
4,
adjust
R74/R84
for
minimum
dis-
tortion
(0.1%
or
less).
.
Like
Fig.
5-16,
connect
a
DC
voltmeter
between
TP1
and
TP9
for
L-ch
(or
TP3
and
TP11
for
R-ch),
then
note
the
reading
on
the
DC
voltmeter
with
an
input
signal
of
1
kHz/—8
dB
(308
mV).
.
Cut
off
the
input
signal,
then
make
the
same
measurement
as
in
step
6
to
adjust
R75/R85
for
the
same
level.
Low
distortion
AF
OSCILLATOR
10.
11.
.
Repeat
above
steps
5
to
7
until
the
best
results
are
obtained.
.
Check
that
when
the
input
signal
is
100
Hz/—8
dB
(308
mV),
then
10
kHz/—8
dB,
the
output
signal
from
B/D
(OUTPUT)
terminal
deviates.by
+0.5.
dB
+0.5
dB,
then
—2.8
dB
+0.5
dB
from
—8
dB
(reference),
respectively
...
so
that
output,
as
a
voltage
value,
should
be
308
mV
to
346
mV
for
100
Hz,
and
211
mV
to
237
mV
for
10
kHz.
Check
that
when
1
kHz/—-68
dB
(308
pV)
is
applied,
the
output
is
—38
dB
+0.5
dB
(9.21
mV
to
10.3
mV).
Check
that
when
the
input
signal
is
1
kHz,
+12
dB
(3.08
V),
the
output
is
+2 dB
40.5
dB
(0.921V
to
1.03V)
and
distortion
factor
is
0.3%
or
less.
OSCILLOSCOPE
AC
VOLTMETER
ATTENUATOR
DBX
PCB
T.P10
(T.P12)
T.P9
(T.P11}
Fig.5-14
Connections
for
ENCODER
adjustment
(1)
Low
distortion
AF
OSCILLATOR
©
A(C)
|
DBX
PCB
|
(D)O
NOTE:
Leh
(Reh)
AC
VOLTMETER
OSCILLOSCOPE
DISTORTION
ad
METER
Fig.
5-15
Connections
for
ENCODER
adjustment
(2)
Low
distortion
AF
OSCILLATOR
ATTENUATOR
©
A(C)
Distortion:
0.02%
or
less
Output:
3V
or
more
DBX
PCB
T.P1
(T.P3)
TPS
#23v
1
G
(T.P
11)
|
DC
VOLTMETER
NOTE:
Lch
(Reh)
Fig.5-16
Connections
for
ENCODER
adjustment
(3)
|
¢-3RX
5-6-2
DECODER
ADJUSTMENT
|
1,
Preset
all
adjustors
approximately
to
the
center
position.
8.
Repeat
above
steps
5
to
7
until
the
best
results
are
obtained.
2.
Make
the
Fig.
5-17.
connections,
then
feed
100
Hz,
—8
dB
(308
9.
Check
that
when
the
input
signal
is
100
Hz/—8
dB
(308
mV),
mV)
to
the
F/I
(INPUT)
terminal.
then
10
kHz/—8
dB,
the
output
signal
from
H/J
(OUTPUT)
3.
Adjust
R77/R87
to
obtain
a
clear
200
Hz
sine-wave
on
the
terminal
deviates
by
—1
dB
+0.5
dB,
then
+5.5
dB
+0.5
dB
from
oscilloscope.
See
Fig’s
5-12
and
5-13.
—8
dB
(reference),
respectively
...
$0
that
output,
as
a
voltage
4.
Change
the
connections
to
Fig.
5-18,
then
feed
a
1
kHz/—8
dB
value,
should
be
652
mV
to
731
mV
for
100
Hz,
and
1.38
V
(308
mV)
input
signal
to
the
INPUT
terminal.
Adjust
R73/R83
to
1.55
V
for
10
kHz.
so
that
AC
voltmeter
reads
—8
dB
(308
mV).
10.
Check
that
when
1
kHz/—38
dB
(9.75
mV)
is
applied,
the
out-
|
5.
With
the
conditions
in
step
4,
adjust
R71/R81
for
minimum
put
is
—68
dB
+7
dB
(275
pV
to
346
pV).
|
distortion
(0.1%
or
less).
11.
Check
that
when
the
input
signal
is
1
kHz,
+2 dB
(0.975
V),
the
|
6.
Like
Fig.
5-19',
connect
a
DC
voltmeter
between
TP5
and
TP13
output
is
+12
dB
+1
dB
(2.75
V
to
3.46
V)
and
the
distortion
for
L-ch
(or
TP7
and
TP15
for
R-ch),
then
note
the
reading
on
factor
is
0.3%
or
less.
the
DC
voltmeter
with
an
input
signal
of
1
kHz/—8
dB
(308
mV).
7.
Cut
off
the
input
signal,
connect
TP6/TP8
to
the
E
(0
V)
termi-
nal,
then
make
the
same
measurement
as
in
step
6
to
adjust
R72/R82
for
the
same
level.
Low
distortion
:
AF
OSCILLATOR
AC
VOLTMETER
OSCILLOSCOPE
Distortion:
0.02%
or
less
Output:
3V
or
more
NOTE:
Lech
(Rech)
Fig.5-17
Connections
for
DECODER
adjustment
(1)
Low
distortion
:
AF
OSCILLATOR
.
AC
VOLTMETER
OSCILLOSCOPE
ATTENUATOR
DBX
PCB
Distortion:
0.02%
or
less
Output:
3V
or
more
DISTORTION
ad
METER
NOTE:
Lch
(Rch)
Fig.
5-18
Connections
for
DECODER
adjustment
(2)
Low
distortion
AF
OSCILLATOR
DC
VOLTMETER
Distortion:
0.02%
or
less
Output:
3V
or
more
NOTE:
Lch
(Reh)
Fig.
5-19
Connections
for
DECODER
adjustment
(3)
17
C-3RX
6
EXPLODED
VIEWS
AND
PARTS
LIST
EXPLODED
VIEW
-
1
[
eo,
2-Fiber
Was!
2.
x
x
2-Round
Washer
Head
M4x6
(BLK
Ni)
Fiber
Washer
(BLK)
94x
B1I5xt05
“°6
0
GS
Wen
K
\4\
—IF
LON]
,
yy
YA
t
AKAN
\4
18
EXPLODED
VIEW
-
1
C-3RX
Parts
marked
with
*require
longer
delivery
time.
REF.
NO.
PARTS
NO.
DESCRIPTION
REMARKS
1-1
*5800060300
Cover,
Top
[All
except
L]
C-3X
1-2
*5122225000
Connector,
Socket;
6P
(BLK)
-
1
-
3
*5122222000
Connector,
Socket;
3P
(BLK)
1-4
*5555570000
Cushion;
Top
Cover;
B
1-5
*5122172000
Connector,
Socket;
10P
(WHT)
1-6
*5122167000
Connector,
Socket;
5P
(WHT)
1-7
*5800059401
=
Bracket,
Handle;
BL
C-3X
1-8
*5800083400
Escutcheon
Assy,
Cassette
C-3X
1-9
*5122174000
Connector,
Socket;
12P
(WHT)
1
-10
*5785603025
Spacer
4
1-11
5504712000
Knob
Assy,
TIMER
C-3
1-12
*5640018600
Panel
Assy,
Front
1
-13
5543027100
Knob,
VR
:
C-1
1
-14
5534521000
Knob,
Lever
Switch
C-1
1
-15
*5552340202
Chassis,
Rear
[Ail
except
L]
A-500
*5502229002
Chassis
Assy,
Rear
[L]
1
-16
*5504676000_
Foot
[All
except
L]
;
A-500
1
-17
*5800059501_
~—
Bracket,
Handle;
BR
C-3X
|
1
-18
*5800064800
Cabinet
Assy
[L]
C-3X
1-19
*5555526000
Washer
[L]
1
-20
*6800060400
Cover,
Top;
Shield
[L]
:
C-3X
1
-21
*5800059800
Sash,
Side;
L
[L]
1
-22
*5800059900
Sash,
Side;
R
(L]
1
-23
5138009000
Key
Unit
1
-24
5800133600
Cover
Assy,
Cassette
122
INCLUDED
ACCESSORIES
REF.
NO.
PARTS
NO.
DESCRIPTION
REMARKS
5128065000
Cord
Assy,
Input-output
Connection
5101345000
Information
Supplement,
Cassette
[U]
5101495000
=
Information
Supplement,
Cassette
[All
except
L]
5740005000
Plate
Assy,
Side;
B
[All
except
L]
C-3X
5544995000
-
Washer
x
4
[All
except
L]
C-1
5534659000
Spacer
x
4
[All
except
L]
C-1
5780215015
Screw,
M5
x
15
(Ni)
x
4
[All
except
L]
5564682000
Seal,
MEMORY
[All
except
L]
C-3
5700014800
C-3RX
Owner's
Manual
[U]
;
5700014900
C-3RX
Owner's
Manual
[All
except
U]
{[U]:
U.S.A.
{C]:
CANADA
[GE]:
GENERAL
EXPORT
[A]:
AUSTRALIA
{[E]:
EUROPE
[UK]:
U.K.
[L]:
LIMITED
AREA
Parts
marked
with
*require
longer
delivery
time.
19
C-3RX
EXPLODED
VIEW
-
2
SA
M2.6x5
SS
=o G0)
20
EXPLODED
VIEW
-2
C-3RX
|
C3RX_
Parts
marked
with
*require
longer
delivery
time.
REMARKS
C-3
A-500
A-500
A-500
C-3
A-500
A-300
A-300
A-430
A-300
A-500
C-3X
C-3X
A-300
A-500
A-500
A-500
A-500
A-500
A-300
C-3X
C-3X
A-300
A-500
A-500
C-3X
C-3X
A-500
C-3X
C-3X
A-500
A-500
A-500
C-3
C-3
A-500
C-3
A450
A-500
C-3X
C-3
C-1
A-300
A-300
A-450
C-3X
C-3X
C-3
C-3
C-3
C-2
A-500
C-3
C-3
__
REF.NO.
PARTS
NO.
DESCRIPTION
2-1
*5553285001
Holder,
Cassette
2-2
*5544958000
Shaft,
Lock
Plate
2-3
*5534612000
Plate,
Lock
2-4
5534613000
Guide,
Cassette;
L
2-5
*5555655000
Plate,
Cassette
Holder
2-6
*5534615000
Spring,
Cassette
Pressure
2-7
*5555582000
Tape,
Adhesive
2-8
*5534638000
Lens,
Lamp
2-9
*5534844000
Shoe,
Brake
2
-10
*5520333000
Spring,
Brake
2
-11
*5504669002
Plate
Assy,
Brake;
B
2
-12
*5210010200
PCB,
LAMP
[U]
*5210022400
PCB,
LAMP
[All
except
U]
2
-13
5142026000
Lamp,
DC
6V
65mA
2
-14
*5544656000
Shaft,
Lever
2
-15
*5555544000
Lever,
Record
Preventing;
D
2
-16
*5524197000
Spring,
Lever
2
-17
_*5555535000
_=—
Bracket,
Counter
Assy
2
-18
5504660001
Counter
Assy
2
-19
5534617000
Belt,
Counter
2
-20
*5534448000
Mounting
Rubber
2
-21
*5200018410
PCB
Assy,
REED
SW
[All
except
U]
*5200018400
PCB
Assy,
REED
SW
[U]
2
-22
*5534444200
Guide,
Cassette
2
-23
*5524201000
Spring,
Eject
Arm
2
-24
*5555551000
Arm,
Eject
2
-25
*5800090600
Holder
Assy,
Switch
2
-26
*5800098500
Cushion,
Reel
2
-27
*5555552000
Arm,
Eject
Actuating
2
-28
5800063800
Pulley
Assy,
Reel;
R
2
-29
*5581055000
Screw,
Shoulder
2
-30
5800063700
Pulley
Assy,
Reel;
L
2
-31
*5555549000
Arm,
Eject
Preventing
2
-32
*5524200000
Spring,
Arm
2
-33
*5534606000
Arm,
Pinch
Roller
"2
-34
—
WH.
5504828001
Arm
Assy,
Pinch
Roller
2
-35
*5800060100
Chessis
Assy,
Mechanism
2
-36
*6524285000
_
=
Spring,
Pinch
Roller
2
-37
*5555531000
Plate,
Head
Base;
B
2
-38
*5555530000
Plate,
Head
Base;
A
2
-39
*5504717000
Plate
Assy,
Head
Base
2
-40
*5581062000
Clamper,
Cord;
E
2
-41
*5540055000
=‘
Steel
Ball,
¢2
2
-42
*5555533000
Plate,
Pressure
2
-43
*5800064400
Spacer,
Erase
Head
2
-44
5569613000
Head,
Erase
2
-45
*5524141000
Spring,
Height
Adj.
2
-46
*5524208000
Spring,
Tension
2
-47
*5533174000
Arm,
Tension
2
-48
*5540056000
Steel
Ball,
¢3
2
-49
5800063300
Table
Assy,
Reel;
R
2
-50
5800063200
Table
Assy,
Reel;
L
2
-51
*5534683100
Guide,
Cassette;
L
2
-52
*5504716000
'
Plate
Assy,
Head
Mounting
2
-53
*56555658000
Plate,
Tension
Adj.
2
-54
5569606100
Head,
REC-PLAY
2
-55
5534614000
Guide,
Cassette;
R
2
-56
*5504714000
Bracket
Assy,
Holder;
L
2
-57
*5504715000
Bracket
Assy,
Holder;
R
2
-58
*5524202000.
Spring,
Holder
2
-59
*5581038000
Clamper,
Cord;
A
[UJ]:
U.S.A.
:
{[C]:
CANADA
[A]:
AUSTRALIA
[E]:
EUROPE
(L]:
LIMITED
AREA
[GE]:
GENERAL
EXPORT
[UK]:
U.K.
21
C-3RX
|
22
EXPLODED
VIEW
-
3
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