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Hitachi D-E95 - INSPECTION OF MECHANISM; Mechanical Inspection Checks; LUBRICATION; Lubrication Points and Materials

Hitachi D-E95
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D-E95
|
4,
Playback
a
test
tape
(MTT-150,
400
Hz
20
m
Maxwell)
and
adjust
RT1L,
R
so
that
the
level
of
LINE.OUT
jacks
become
775
mV
(0
dB)
—
0.3
dB.
.
With
the
condition
shown
in
item
4,
adjust
RT20OL,
R
so
that
the
digital
peak
meter
indicate
0
dB.
.
Adjust
L3
so
that
the
level
of
TP2L,
R
becomes
minimum
in
the
recording
mode.
7.
1)
Set
the
monitor
switch
to
the
SOURCE
position
and
feed
a
1.5
kHz
signal
to
the
LINE
IN
jacks
in
the
recording
mode.
2)
Adjust
the
audio
oscillator
output
so
that
the
digital
peak
meter
indicate
0
dB.
3)
Then,
set
the
monitor
switch
to
the
TAPE
position
and
adjust
RT5L,
R
so
that
the
digital
peak
meter
indicate
0
dB.
8.
1)
Set
the
monitor
switch
to
the
SOURCE
position
and
feed
a
1.5
kHz
signal
to
the
LINE
IN
jacks
in
the
recording
mode.
2)
Adjust
the
audio
oscillator
output
so
that
the
digital
peak
meter
indicate
0
dB.
Then,
adjust
the
attenuator
to
jower
the
output
level
by
20
dB.
3)
Set
the
monitor
switch
to
the
TAPE
position
and
read
the
playback
output
level
of
LINE
OUT
jacks.
4)
Then,
set
the
audio
oscillator
frequency
to
15
kHz
and
read
the
playback
output
level
of
LINE
OUT
jacks.
5)
Adjust
RT6L,
R
so
that
the
output
level
difference
between
two
frequencies
is
within
1
dB.
a
a
INSPECTION
OF
MECHANISM
Check
Item
Reference
Value
Take-up
side
300
to
400
gr
;
1
Pressure
of
;
Measure
in
playback
mode
Pressure
roller
|
Supply
side
170
to
250
gr
Measure
in
playback
mode
35
to
65
gr-cm
Take-up
Torque
Fast
forward
75
to
120
grcm
Measure
in
Fast
forward
mode
Rewind
75
to
120
gr-cm
Measure
in
Rewind
mode
Take-up
side
Less
than
6
gr-cm
Without
counter
Back
-tension
Supply
side
7
to
12
gr-cm
Without
counter
Flywheel
thrust
gap
0.05
to0.5mm
3
4
eae
5
|
Pressure
of
take-up
roller
200
to
250
gr
Measure
in
playback
mode
6
|
Brake
force
More
than
15
gr-cm
Measure
in
playback
mode
LUBRICATION
Lubricate
one
or
two
drops
of
oil
to
rotating
point
or
lubricate
grease
to
sliding
point.
Lubricate
the
respective
Eubiesnon
Es
Srese
parts
listed
below
once
every
1000
hours
or
once
a
year
Meta
ane
meta
Pan
motor
oil
under
normal
conditions
of
use.
Avoid
oiling
them
exces-
Hotaly,
(10W-40)
-
sively,
or
rotation
may
become
irregular
because
of
oil
SEG
MOR
|
ONION
ante
tal
ea
oil
splashes.
Sliding
|
Metaland
metal
|
Hitasol
(MO-138)
section
Moid
and
mold
White
grease
Mold
and
metal
(FL-LUBE-A)
Spring
resonance
prevention
Froil
(GB-TS-1)
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