Denon AVR-3803S Service Manual

a
ORS-810
Hi”
4-3
Azimuth
Adjustment
5.
Erasure
Head
Exchange
Playback
test
tape
A-BEX
TCC-153
and
perform
the
adjust-
5-1
Remove
the
locking
screw
for
the
erasure
head.
ment
by
turning
the
azimuth
adjustment
screw
until
5-2
Remove
the
solder
on
the
head
wire,
and
Separate
the
me-
A
and
B
in
the
Lissajous
wave
figure
are
at
the
maximum
chanical
unit
to
dismount
the
erasure
head.
and
the
minimum
positions
respectively.
After
azimuth
ad-
justment
is
completed,
check
again
to
make
sure
there
is
no
6.
Checking
the
Take-up
Torgue
dislocation
on
the
head
height
with
the
readjusting
jig
Load
the
cassette
type
torque
meter
REV
aide
Sony
rwatzia
THG-801.
After
the
adjustment
is
completed,
secure
the
Check
to
make
sure
that
the
average
torque
meter
reading
is
lock
nuts
on
adjusted
parts.
within
30
~70
g-cm
during
playback.
If
it
is
not
within
this
range,
check
the
voltage
(approx.
4V)
of
the
reel
motor.
After
the
verifi-
cation,
replace
the
reel
motor
(80)
if
there
is
no
problem
with
the
voltage
value.
Tilt
angle
7.
Checking
the
FF
and
REW
Torques
Load
the
cassette
type
torque
meter
(SONY
TW2231).
Check
to
make
sure
the
torque
meter
indicates
within
90
~180
g-cm
at
the
end
of
FF
and
REW.
-—-
Jig
board
——
Jig
board
8.
Checking
the
Back
Tension
Torque
During
Tilt
angle
Record/Playback
Load
the
cassette
type
torque
meter
SONY
TW2111A
check
to
make
sure
the
torque
meter
reads
between
6
~12
g-cm
during
playback
and
that
there
is
No
unevenness.
if
it
is
not
within
this
range,
replace
the
reel
base
bik
(81)
(82)
or
washer
(84).
Jig
stick
Jig
ele
9.
Checking
the
FF
and
REW
Times
Load
a
C-60
cassette
tape
(DENON
HD7E/60);
check
to
make
sure
the
tape
is
fast
forwarded
or
rewound
within
100
seconds.
if
itis
not
within
this
range,
check
sections
5
and
6.
10.
Checking
the
Operation
of
the
Erase
Prevention,
Metal
and
Chrome
Switch
Confirm
that
the
sensor
arm
properly
detecting
the
tape
type
de-
tection
holes
on
the
cassette
housing.
A-BEX TCC-153
Screw lock
~™
~
_-
Screw
lock
~
_
19

Denon AVR-3803S Specifications

General

Brand	Denon
Model	AVR-3803S
Category	Tape Deck
Language	English