Repairs; Removal Of Themain Parts - Sanyo SFX-11 Service Manual

6. REPAIRS
6-1. Removal of the main parts
(1)Removal of the right and left Cabinet.
a)
b)
c)
d)
e)
Open the operfion panel. (Fig. 6-1)
Press the open button to open the reception cover.
Remove two(2) screws securing the right cabinet.
(Fig. 6-1)
Remove the right cabinet while holding up the front
side.
Pay attention to the scratch of the wires while
removing it.
Remove three(3) screws securing the left cabinet.
(Fig. 6-1)
screws (2 PCS)securing right cabinet
I
(2) Removal of the transmission mechanical unit.
a) Remove two screws securing the bottom cover.
(Fig. 6-2)
b)
c)
d)
6-2
Remove the right and left cabinet (Refer to 6-1-(1))
Remove two screws securing the transmission
mechanical unit. (Fig. 6-3)
screws (2 pcs) securing
transmission mechanical unit
A
Fig. 6-3
Disconnect the connectors (CN6, 7, 2/1, 2/2, 2/3,
on main board (M-1)) and CN54 on the power sup-
ply board (M-5) while holding up the transmission
mechanical unit. (Fig. 6-5)
(3) Removal of the receiving mechanical unit
a) Remove the right and left cabinet. (Refer to 6-1 -(l))
b) Remove three screws securing the receiving
mechanical unit. (Fig. 6-4)
-
c) Disconnect the connectors (CN5, CN6 on main
board (M-l)) and (CN52, CN53 on the power supply
board (M-5)) while holding up the receiving
mechanical unit (Fig. 6-5)
screws (3 PCS)securing receiving mechanical unit
(4) Removal of the main PCB (M-1)
a) Remove the right and left cabinet (Refer to 6-1 -(l))
b) Remove the transmission mechanical unit (Refer to
6-1 -(2))
c) Disconnect the connectors
CN3,
CN5 and CN8 on _
the main PCB (M-l). (Fig. 6-5)
d) Remove two screws securing the main PCB (M-l).
(Fig. 6-5)
e) The main PCB (M-1) and the power supply PCB (M-
5) are directry connected through the connector.
So, When removing the M-1, lift up the left side of
M-1 while pressing down the M-5.
(5) Removal of the power supply PCB (M-5)
a) Remove the right and left cabinet (Refer to 6-1 -(1))
b) Remove the transmission mechanical unit. (Refer to
6-1 -(2))
c) Remove the main board (M-l). (Refer to 6-1 -(4))
d) Disconnect the CN52, CN53, and CN55 on the
potver supply board (M-5). (Fig. 6-5)
e) Remove a screw securing earth wire. (Fig. 6-5)
(6) Removal of the NCU PCB (M-3)
a) Remove the right and left cabinet (Refer to 6-1 -(1))
b) Remove the receiving mechanical unit, then remove
three screws securing the M-3. (Fig. 6-5)
L
c) Disconnect the CN31, CN33, and CN34 on the M-3.
(Fig. 6-5)
(7) Removal of the Tel. PCB (M-4).
a) Remove the right and left cabinet. (Refer to 6-1 -(l))
b) Disconnect the CN41, CN42, and CN43 on the M-4.
(Fig. 6-5)
c) Remove three screws securing both the M-4 and
the earth wire. (Fig. 6-5)
screws
(3 PCS)securing M-3
_——. —.—
Eallh
Fig. 6-5
.
screws
(2-DCS securing
M-4
1
—24—
.,,