
TABLE
OF
CONTENTS
E
|
Section
Title
Page
Specifications
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1
1.
GENERAL.....-+-+++
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2.
MECHANICAL
ADJUSTMENTS
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3.
ELECTRICAL
ADJUSTMENTS
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4.
DIAGRAMS
|
4-1,
Printed
Wiring
Boards-rrrcecsssccesstreeeeetees
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4
4-2,
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5,
EXPLODED
VIEWS
----.----
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6.
ELECTRICAL
PARTS
LIST
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12
SERVICE
NOTE
Repairing
printed
resistor
Cut
both
sides
of
the
resistor
and
solder
the
carbon
resistor
having
same
value
in
place
of
printed
one
of
the
conductor
side.
1/32W
carbon
resistor
is
supplied
for
the
replacing
part
of
the
printed
resistor.
,
Notes
on
chip
component
replacement
Never
reuse
a
disconnected
chip
component.
Notice
that
the
minus
side
of
a
tantalum
capacitor
may
be
damaged
by
heat.
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SECTION
1
GENERAL
PARTS
IDENTIFICATION
-
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[2]
1
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EES
This
section
is
extracted
from
instruction
manual.
VOR
(voice
operated
recording)
ON/OFF
switch
EAR
(earphone)
jack
|
Built-in
microphone
Tape
operation
buttons
@
REC
(record)/¥
PLAY/
@STOP/
¥
FF/CUE
(fast
forward/cue)/
4
REW/REVIEW
(rewind/review)
PAUSE
switch
Hand
strap
TAPE
COUNTER
and
reset
button
(TCM-84V_85V_
/89V)
For
indexing
the
tape
contents.
Before
recording,
push
the
reset
button
to
set
the
counter
to
‘‘O00"’.
VOLUME/VOR
SENS
(VOR
sensitivity
)
control
In
the
playback
mode:
functions
as
volume
control
In
the
recording
mode:
functions
as
VOR
sensitivity
control
Cassette
holder
Speaker
(front)
MIC
PLUG
IN
POWER
(external
microphone)
input
jack
(right
side)
DC
IN
3
V
(external
power
input)
jack
(right
side)
Battery
compartment
(right
side)
4]
CUE
MARKER
button
(TCM-85va9v)
SECTION
2
MECHANICAL
ADJUSTMENTS
PRECAUTION
.
Clean
the
following
parts
with
a
denatured-
alcohol-moistened
swab:
record/play
back
head
erase
head
pinch
roller
rubber
belts
capstan
idlers
Demagnetize
the
record/playback
head
with
a
head
demagnetizer.
(Do
not
bring
the
head
de-
magnetizer
close
to
the
erase
head.)
Do
not
use
a
magnetized
screwdriver
for
the
adjustments.
After
the
adjustments,
apply
suitable
locking
compound
to
the
parts
adjusted.
.
The
adjustments
should
be
performed
with
the
rated
power
supply
voltage
unless
otherwise
noted,
power
supply
voltage:
3V
dc
Torque
Measurement
Meter
Reading
Torque
Meter
More
than
25
g-cm
(More
than
0.34
oz-inch)
More
than
60
g-cm
and
Rewind
(More
than
0.83
02-inch)
1.5
—
4
g-cm
PACK
Pension’.
9:63
=
0056
o2inch)
Tape
Tenslon
Measurement
More
than
70
g
(2.47
oz)
Forward
CQ-102C
Fast
Forward
CQ-201B
CQ-102C
CQ403A
TCM-82V
/84V
/85V
/86V//89V
|
SECTION
3
eo
|
ELECTRICAL
ADJUSTMENTS
Test
tape
WS-48A
Signal
sd
Used
for
_3kHz,0dB
tape
speed
adjustment
Tape
Speed
Adjustment
Setting:
VOL
control:
mechanical
mid
Procedure:
Mode:
playback
speed
checker
LFM-30
or
digital
frequency
test
tape
counter
WS-48A
(3k
Hz,
OdB)
earphone
jack
Specification:
Speed
checker
—0.5
to
+1.5%
Digital
frequency
counter
2.985
—
3.045
Hz
Frequency
difference
between
the
beginning
and
the
end
of
the
tape
should
be
within
1%
(30Hz).
Adjustment
Location:
RV601