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Sony WM-A53 User Manual

Sony WM-A53
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WM-A53/B53
SECTION
4
ADJUSTMENTS
pReCnei
ers
pie
t
4-1.
MECHANICAL
ADJUSTMENT
Meter
Reading
Torque
Measurement
[Mode
|
Torave
Mew
I.
Clean
the
following
parts
with
a
denatured
alcohol-moistened
swab:
playback
head
rubber
belts
:
25
to
55
g-cm
|
|
:
(0.35
to
0.76
oz-inch)
capstan
_idlers
CQ-102C
:
pinch
roller
1.5
to
4.5
g-cm
WD
FWD
Back
|
Tension
|
(0.02
to
0.06
oz-inch)
|
a
|
25
to
55
g-cm
(0.35
to
0.76
oz-inch)
+
CQ-102RC
°F
,
REW
2.
Demagnetize
the
playback
head
with
a
head
demagnetizer.
3.
Do
not
use
a
magnetized
screwdriver
for
the
adjustments.
REV
Back
|
1.5
to
4.5
g-cm
Tension
(0.02
to
0.06
oz-inch)
|
55
to
150
g-cm
(0.76
to
2.1
oz-inch)
55
to
150
g-cm
(0.76
to
2.1
oz-inch)
Tape
Pulling
Force
Measurement
|
FWD
more
than'45
g
ew
marae”
(more
than
1.6.02)
REV
more
than
45
g
ev
Pi
(more
than
1.6
02)
TEST
TAPE
WS-48A
|
3
kHz,0
dB
Tape
Speed
Adjustment
Dolby
NR
Head
Azimuth
P-4-A063|
6.3kHz,-104B
|
Ginctment
F
F
4.
After
the
adjustments,
apply
suitable
locking
|
compound
to
the
parts
adjusted.
CQ-201B
5.
The
adjustments
should
be
performed
with
the
rated
power
supply
voltage
(3.0V)
unless
otherwise
noted.
Playback
Head
Height
Adjustment
(Note
on
Playback
Head
Replacement)
direction
tape
guide
1.
Turn
the
screw
M2
x
5
so
that
the
~
(BY
line
of
HEAD
GUIDE
becomes
appraximately
parallel
to
the
(A)
(A)
line
of
TAPE
GUIDE.
2.
When
there
is
a
tape
curl
on
HEAD
GUIDE
(),
)
using
a
mirror
cassette,
turn
the
screw
M2
x
5
to
eliminate
the
tape
curl.
|
For
example
in
the
figure:
7
ee
curl
marked
O
is
eliminated
by
|
\clockwise
the
screw
M2
x
5
(right).
|
:
3.
Check
in
the
REV
mode
by
the
same
way
as
in
the
FWD
mode.
_
os
7
a

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Sony WM-A53 Specifications

General IconGeneral
BrandSony
ModelWM-A53
CategoryCassette Player
LanguageEnglish

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