Technics SU-VX720 Service Manual

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).

Technics SU-VX720 Specifications

General

Brand	Technics
Model	SU-VX720
Category	Amplifier
Language	English