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Adcom GFP-345 User Manual

Adcom GFP-345
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INSTALLING
THE
PHO-802A
BOARD
IN
THE
GFP-345
ImITIS'
802A
*
Ph0
??
pre
,
amp
b
°
ard
re
P'
aces
the
standard
AUX
1
©
input.
Any
high-leve!
source
connected
to
the
AUX
1
©
input
must
be
relocated
to
one
of
the
other
high-level
inputs
not
already
in
use.
The
AUX
1
©
input
must
not
subsequently
be
used
for
a
high-level
source
unless
the
PHO-802A
board
is
removed
and
the
jumper
wires
which
must
be
cut
for
use
with
the
PHO-802A,
replaced.
.
cn
must
1.
Begin
installation
by
unplugging
the
GFP-345
power
cord
from
the
AC
wall
outlet
and
remove
its
cover
by
unscrewinq
the
six
Phil
1
1
ps-head
screws
using
a
#2
Phillips
screwdriver.
The
two
hex-head
screws
securing
the
top
cover
to
the
front
panel
must
also
be
removed.
A
2mm
hex-wrench
is
necessary
for
this
operation.
2.
Cut
the
jumper
wires
Bt,
B2
and
B3
on
the
main
PCB
of
the
GFP-345
at
the
middle,
raised
portion,
and
fold
awav
the
cut
ends
to
insure
that
the
ends
do
not
touch
each
other.
1
3.
Remove
the
top
cap-nut
on
each
of
the
screw
studs
shown
in
figure
below
and
position
the
PHO-802A
board
over
the
two5-pin
connectors
so
that
the
corresponding
Til
and
T12
sockets
and
5-pin
connectors
mate
properly
and
the
larqe
upright
capacitors
(black,
2200uF/16V)
are
positioned,
as
shown
in
figure
below,
nearest
the
RCA
input
jacks
on
the
rear
panel
of
the
GFP-345.
You
can
use
the
screw
studs
as
guides.
4.
Press
the
PHO-802A
board
down
firmly
onto
the
two
5-pin
connectors.
5.
Screw
the
two
cap-nuts,
back
onto
the
screw
studs
and
firmly
secure
the
nuts
onto
the
PCS
with
a
5.5mm
nut-driver
or
similar
tool.
Please
note
that
the
bottom
cap-nuts
must
not
be
removed.
The
bottom
cap-nuts
secure
the
screw
studs
L°j^r"
P
CBand
alS
°
aCt
as
spacers
for
,he
ph
°-
802A
board.
They
are
essential
to
prevent
shorting
between
the
PHO-802A
board
and
the
main
GFP-345
PCB.
8.
Replace
the
top
cover
on
the
GFP-345
making
certain
all
the
screws
are
tightened
securely
to
be
sure
that
proper
shielding
of
the
internal
circuitry
of
the
GFP-345
is
effected.
1.
There
are
two
PHONO
labels
supplied
with
both
the
GFP-345
(in
the
plastic
bag
containing
the
instruction
manual
e
c
i‘
a
"
d
a,
!i
the
Packaging
of
the
PHO-802A
board.
Affix
one
PHONO
label
on
the
front
panel
over
the
AUX
1
label
at
the
INPUT
©
selector
so
that
now
it
will
read
PHONO.
The
AUX
1
position
is
the
maximum
counterclockwise
position
of
the
INPUT
©
selector.
8.
Affix
the
second
PHONO
label
over
the
existing
type
above
the
RCA
jacks
on
the
rear
panel
which
reads
AUX
1
©
so
that
now
it
read
PHONO.
Although
this
is
not
absolutely
necessary,
it
will
simplify
identification
of
the
now-PHONO
input
to
the
GFP-345.
10

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Adcom GFP-345 Specifications

General IconGeneral
BrandAdcom
ModelGFP-345
CategoryAmplifier
LanguageEnglish

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