Technics SA-CH750

SA-CH750 SA-CH750
Removal
of
the
Headphones
Jack
Ref.
No.
Removal
of
the
Input/outout
Terminal
Removal
of
the
Fan
Ass’y
Ref.
No.
Removal
of
the
main
P.C.B.
P.C.B. 6 P.C.B. 12
Procedure
Procedure
Procedure
12535
124-6
3971112
Main P.C.B.
Flat cable
Fan ass'y
»)
e
Hol
|
Headphones jack P.C.B. npuvoutput
terminal P.C.B.
1. Remove the connector (JK351).
2. Remove the input/output terminal P.C.B. in the direction of 1. Remove the connector (JK351).
2. Remove the 3 screws (@~@). _ | 1. Remove the 4 screws (@~@).
arrow.
2. Remove the flat cable (J703-1, J703-2).
Ref. No. Removal of the AC Input Terminal Ref. No. Removal of the Power Transformer
7
P.C.B.
and
Tuner
P.C.B.
8
P.C.B.
(A)
m=
NOTE
[Bottom view]
elnsert the projection on the
Procedure
Procedure
Procedure
|
swhen
checking
the
soldered
surfaces
of
angle
into
the
hole
of
the
Projection
1457 1-2-8 | © 132411
Remove the headphones jack P.C.B. in the direction of arrow.
main P.C.B. and replacing the parts, do as bottom board ass'y and then ZN
313 shown below. install the Main P.C.B.
4 4 :
A Power transformer
Tuner P.C.B. P.C.B. (A)
m@ Removal of the AC input Terminal P.C.B. 1. Remove the 2 screws (@, @).
Remove the AC input terminal P.C.B. in the direction of arrow. 2. Release the claw.
3. Remove the 2 ribs.
m@ Removal of the tuner P.C.B. 4. Remove the power transformer P.C.B. (A) in the direction of
@ Remove the tuner P.C.B. in the direction of arrow. arrow.
Ref.
No.
Removal
of
the
Power
Transformer
Ref.
No.
Removal
of
the
Power
Transformer
9
P.C.B.
(B)
10
Procedure
1529
Flat cable
3. Remove the rib.
1. Remove the 4 screws (@~Q@). 4. Remove the main P.C.B. in the direction of arrow.
Front panel
ass'y
- ~ a r \ LL g ; =
~ > a W G.N.D. terminal
. 7 . | ‘Bp — he ' n
;
“a>
3
in
PC.B.
. Power transformer >. SS CZ Ss»
s P.C.B. (B) PSsZ Bottom board ass'y
1. Remove the flat cable (J703-1, 703-2). SF Femer manetomet
4. Connect the G.N.D. terminal to the bottom board ass’y by
2. Release the 2 claws. the lead wire.
3.
Remove
the
power
transformer
P.C.B.
(B)
in
the
direction
of
2.
Remove
the
rib.
5.
Reinstall
the
front
panel
ass’y
to
the
input/output
terminal
arrow.
e
Remove
the
4
screws
(Q@~@).
3.
Remove
the
main
P.C.B.
in
the
direction
of
arrow.
P.C.B.
his DS