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Technics SU-VX720 - Printed Circuit Board (PCB) Removal Procedures; Volume, Input Selector, and Power Transistor Removal; Sensor, Switch, and V-Amp PCB Removal; Phono, Operation, and Main PCB Removal

Technics SU-VX720
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SU-VX720
Le
Removal
of
the
volume
P.C.B.
Procedure
1—2—5
Volurne
knob
Se
Volume
P.C.B.
1.
Pull
out the
voiurne
knob.
2.
Remove
the
nut.
3.
Remove
the
1
screw
(@}.
4,
Remove
the
volume
P.C.B.
in
the
direction
of
arrow.
Removal
of
the
operation
P.C.B.
Procedure
1
2-3-+5-—
7
B:
16mm
C:
longer
than
22
mm
eUse
a
wrench
of
the
dimensions
shown
in
the
iNustration
above
to
remove
+.
Pull
out the
4
knobs.
2.
Remove
the
4
nut.
nuts.
Ref.
No.
8
Procedure
1—2—6—
8
Switch
P.C.B.
Remove
the
1
screw
(@).
|
meet
Removal
of
the
input
sefector
P.C.B.
Procedure
1—2-—6
Input
selector
input
seiector
knob
1.
Pull
out
the
input
selector
knob.
2.
Remove
the
3
screws
(@~®).
3.
Remove
the
angie.
4.
Remove
the
input
selector
P.C.B.
in
the
direction
of
arrow.
Operation
P.C.B.
3.
Remove
the
7
screws
(Q@~
@).
1.
Remove
the
7
screw
(@).
2.
Remove
the
V-amp
P.C.B.
in
the
direction
of
arsow.
SU-VX720
Removal
of
the
remote
sensor
P.C.B.
are
Removal
of
the
power
transistor
fi
tes
Procedure
Procedure
1—2—11
Power
Power
transistor
transistor
0
¥
re
P.C.B.
angie
Soider
Solder
pomt
¢
Remote
sensor
P.C.B.
1,
Unsolder
the
power
transistor.
2.
Remove
the
4
screws
(Q@~Q).
eWhen
mounting
power
transistor,
apply
silicon
therma!
compound
(RFKX0002)
to
the
rear
of
the
power
transistor.
.
Remove
the
1
screw
(@).
.
=ermove
the
P.C.8.
angie.
.
Semove
the
remote
sensor
P.C.B.
in
the
direction
of
arrow.
a
Removal
of
the
rear
panel
vor
Procedure
Sescaduie
1—12
Removal
of
the
phono
P.C.B.
?
ae
P.C.B.
angie
/
Phono
P.C.B.
1-12-13
Rear
panel
Remote
switch
controtier
.
Memove
the
1
screw
(@).
.
Remove
the
P.C.B.
angle.
.
Remove
the
remote
switch
controller.
.
Remove
the
phono
P.C.B.
in
the
direction
of
arrow.
1.
Remove
the
11
screws
(@~@).
2.
Remove
the
rear
panel
in
the
direction
of
arrow.
ff
WN
Procedure
)
1+2—9—
11—
x
g
Main
P.C.B.
PP
12-13-14
aa
Tw
ve
a
—s
deicledinled
i
-
X
°
4
t
x
)
i
9
;
=
Crete
aie
eaN
@*”
77
NN
pel,
r
:
a
1
OF
OW
=H:
Ee
|
CN702A;CN702B
CN701%S
@
1.
Remove
the
1
connector
(CN707}.
2.
Remove
the
1
flat
cable
(CN702A/CN702B).
3.
Remove
the
8
screws
(@~Q).

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