Denon AVR-3803S Service Manual

1-4
Pull
the
input
knobs
away
from
the
front
of
the
unit
to
remove them.
Remove
the
three
screws
(3
X
8CBTS(S)-B)
from
the
upper
HOOK
Screw
Screw
\
section
of
the
panel,
three
hooks.
from
the
bottom
of
the
panel
and
three
hooks
from
the
top
of
the
panel.
Pull.
the
front
panel
away
from
the
unit
to
remove
it.
HOOK Screw HOOK
Top of panel
HOOK
HOOK
Bottom of panel
2. Removing the front panel
Remove
the
seven
hooks
from
the
top
section
of
the
subpanel.
Raise
the
front
panei
to
remove
it
from
the
main
unit.
Location
of
the
seven
hooks
on
the
rear
surface
of
the
subpanel
3.
Remove
the
mecha.
assembly
(HM100A)
3-1
Disconnect
lead
connectors
—
CN852
(9P)
—
CN152
(3P}
—
CN153
(3P)
—+
CN154
(3P)
—
CN155
(3P)
—
CN156
3-2
Remove
the
four
mounting
screws
(3
X
8CBTS(S)-B)
that
secure
the
meche
unit
and
then
detach
the
mecha
unit.
Note:
When
the
loader
panel
and
the
four
screws
(3
X
8
CBTS
(P)-B)
are
removed,
the
mechanism
unit
can
be
removed
without
removing
the
front
assembly.
To
do
so,
first
lift
the
back
of
the
mechanism
unit,
then
detach
first
the
right
front
side
then
the
left
front
side
from
the
chassis.
Mecha.
unit
Audio
circuit
board
4.
Remove
the
cassette
mechanism
Remove
the
four
mounting
screws
(3
X
1OCBTS(P)-B)
that
secure
the
cassette
mechanism
and
then
detach
the
cassette
mechanism.
5.
Remove
the
meter
circuit
board
Pull
the
meter
circuit
board
and
remove
it.
Note:
When
replacing
the
tact
switch,
check
to
make
sure
that
it
is
not
floating
above
the
circuit
board.
If
it
is
floating,
the
switch
will
be
in
the
on
condition
when
the
set
is
assembied.
O
x
oe
ee
6.
Remove
the
audio
circuit
board
6-1
Remove
the
conectors
with
lead
wires
which
run
from
the
audio
circuit
board
and
the
connectors
on
top
of
the
audio
circuit
board.
6-2
Remove
the
seven
screws
(3
X
8CBTS(S)-B)
that
secure
the
audio
circuit
board
and
the
4P
pin
jack
mounting
screw
(3
X
10CBTSI(P)-B)
on
the
back
panel.
Remove
the
audio
circuit
board.
Note:
The
audio
circuit
board
can
be
lifted
with
the
power-
turned on by doing only step 6-2.
7.
Remove
the
power
supply
circuit
board
Remove
the
five
screws
(3
X
8CBTS(S)-B)
that
secure
the
power
supply
circuit
board,
remove
the
bushing
from
the
chassis
and
then
remove
the
power
supply
circuit
board.
Ee
DRS-810
=m
17

Denon AVR-3803S Specifications

General

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