Repairs - Sanyo SFX-32 Service Manual

6. REPAIRS
6-1. Removal of the main parts
(1) Removal of the cabinet
a)
b)
c)
d)
Turn over the machine and
remove three screws
securing the cabinet. (See figure 6-1 )
Open the original tray and the operation panel,
then remove three screws securing the cabinet.
(See figure 6-2)
Press the open button to open the receiving cover,
then remove the cabinet. (See figure 6-2)
Disconnect the CN 43 on the M-4 (TEL) PCB.
(See figure 6-3)
three
screws securing the cabinet
o
.
FIGURE 6-1
'two
screws
securing the bottom cover
open button
original tray
—
d) Disconnect the connectors CN2 and CN6 on the
main PCB (M-1) while lifting up the transmission
mechanical unit. (See figure 6-5)
(3) Removal of the receiving mechanical unit.
a) Remove the cabinet. (Refer to the procedure
6-l-(l))
b) Remove the transmission mechanical unit.
(Refer to the procedure 6-1-(2))
c) Remove two screws securing the receiving
mechanical unit. (See figure 6-4)
[
two screws securing receiving mechanical unit
M-1 (main) PCB
e
~FIGURE 6-4
M-3 (NCU) PCB
d) Disconnect the connector CN5 and CN7 on the
main PCB (M-l), (See figure 6-5)
(4) Removal of the main PCB (M-l).
a) Remove the cabinet and the transmission
mechanical unit. (Refer to the procedure 6-1 -(1)
and 6-1 -{2))
. ,,
three screws securing
b) Disconnect the connectors CN4, CN5 and CN7 on
the main PCB (M-l). (See figure 6-5)
c) Remove two screws securing the main PCB (M-1).
(See figure 6-5)
d) Remove the main PCB (M-1) while pressing down
M-3 (NCU). M-3 and M-1 are directly connected
through the connector.
Remove two screws securing the bottom cover.
(See figure 6-1)
Remove the cabinet (Refer to the procedure
6-l-(l))
Remove two screws securing transmission
mechanical unit. (See figure 6-3)
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(2) Removal of the transmission mechanical unit.
a)
b)
c)
M-4 (TEL)
CN2
M-1 (main)
PCB
M -4
F
/
\.
/
one screw securing the M-3 (NCU)
'-3 'Ncu) 'CB
FIGURE 6-5
(5) Removal of the M-3 (NCU) PCB.
a) Remove the cabinet and the transmission
mechanical unit. (Refer to the procedure 6-1-(1)
and 6-1 -(2))
b) Remove the main PCB (M-1). (Refer to the
procedure 6-1 -(4))
c) Remove one screw securing the M-3 (NCU).
(See figure 6-5)
—22—
d) Disconnect the connectors CN41 and CN42.
(See figure 6-5)