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Panasonic RX-DT505 - PCB Check and Adjustment Preparations; Tuner P.C.B. Check and Adjustment

Panasonic RX-DT505
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RX-DT505
RX-DT505
=|
m
PREPARATIONS
FOR
CHECK
AND
ADJUSTMENT
OF
P.C.B.
eFabricate
the
measuring
instrument
as
shown
below
to
measure
the
audio
output
via
the
headphones
jack
for
check
and
adjustment
of
the
P.C.B.
To
Measuring
To
Headphones
instrument
jack
Headphones
jack
elf
you
wish
to
measure
the
audio
output
from
the
speaker
without
using
the
measuring
instrument
(i.e.
output
from
the
headphones),
make
connection
in
the
way
shown
below.
Front
cabinet
Speaker
output
connector
(CP601)
3.
Connect
the
speaker
connector
with
the
speaker
output
1.
Remove
2
screws
(@,
@)
to
remove
the
speaker
connector
(CP601).
connector.
2.
Remove
the
speaker
cable
from
the
boss
used
for
wire
arrangement.
eUse
the
extension
cable
kit
as
shown
below
when
checking
and
adjusting
the
unit’s
P.C.B.
Part
No.:
RFKZ0024
(set
of
4
extension
cables)
For
check
of
the
For
check
and
adjustment
of
a.
tuner
P.C.B.———_}
=
the
tape
deck
P.C.B.———_
[
E7Pin
[
[Lorin
[
been
|
[~10-Pin
Part
No.:
RFKZ0009
(set
of
2
extension
cables)
For
adjustment
of
the
CD
P.C.B.—}
[7290
racer
a
CDP.C.B.
(CS702)—MAIN
P.C.B.
(CS7021)
For
check
and
adjustment
of
the
CD
P.C.B:
~45-
eCheck
and
adjustment
of
Tuner
P.C.B.
1.
Follow
the
disassembly
instructions
of Ref.
No.5
“Removal
of
the
Cassette
Panel”
to
remove
the
cassette
panel.
(Refer
to
page
9.)
3.
Release
2
claws
in
the
direction
of
arrow
and
remove
the
2.
Remove
2
screws
(@,
@)
Al
operation
P.C.B.
holder.
Al
operation
P.C.B.
holder
Check
the
tuner
P.C.B.
on
this
side.
1
Claw
5.
Remove
the
screw
(@).
6.
Remove
the
tuner
P.C.B.
by
keeping
the
2
claws
pressed
in
the
direction
of
arrow.
4.
Place
the
Al
operation
P.C.B. holder
as
shown
above.
@Be
sure
to
check
the
tuner
P.C.B.
under
this
condition.
Spin
Adjust
the
tuner
P.C.B.
extension
ee
on
this
side.
cable
8-pin
extension
cable
7-pin
extension
cable
|
extension
|
cable
7.
Connect
the
8-pin
connector
and
7-pin
connector
of
the
extension
cable
(RFKZ0024).
Be
sure
adjustment
the
tuner
P.C.B.
under
this
condition.
~
46-—

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