Sanyo SFX-30 Service Manual page 24

(6) Removal of the M-7 (Power Supply) PCB.
a) Remove the cabinet, transmission mechanical unit
and receiving mechanical unit. (Refer to the
L
procedure 6-1 -(l), 6-1 -(2) and 6-1 -(3))
b) Disconnect the connectors CN71 and CN73. (See
figure 6-5)
c) Remove the M-4 (TEL)PCB and one screw for
earth wire coming from the M-7 (Power Supply)
PCB. (See figure 6-5)
(7) Removal of M-4 (TEL) PCB.
a) Remove the cabinet. (Refer to the procedure 6-1-
(1))
b) Disconnect the connectors CN41 and CN42 on the
M-4 (TEL) PCB. (See figure 6-5)
c) Remove one screw securing the M-4 (TEL) PCB.
(See figure 6-5)
(8) Removal of M-2 (Operation Panel) PCB and LCD.
a) Remove the cabinet and Transmission mechanical
unit. (Refer to the procedure 6-1-(1) and 6-1-(2))
b) Remove two screws securing the M-2 (Operation
L
Panel) PCB. (See figure 6-6)
c) Remove five screws securing the reverse side
cover. (See figure 6-6)
d) Disconnect the connector CN22 on M-2 (Operation
Panel) PCB. (See figure 6-7)
e) Remove eleven screws securing the M-2
(Operation Panel) PCB. (See figure 6-7)
9
Remove LCD by removing two screws. (See figure
6-7)
five
screws
securincithe reverse side cover
o
\
n
I
d
\
/&
.
two
screws
securing the M-2 (operation panel) PCB
FIGURE 6-6
eleven screws securing the M-2 (operation panel) PCB
P
two screws s~uring LCD
(9) Removal of M-5 (Rx. Mechanical Control) PCB.
a) Remove the receiving mechanical unit. (Refer to
the 6-1 -(3))
b) Remove two screws securing the M-5 (Rx.
mechanical control) PCB. (See figure 6-8)
CN52 CN54
-\
.4
CN53
II-LA&-L
M-5 (Rx.mechanical control) PCB
f-'
two
screws
securing the M-5
~eceivingmechanical unit
(Rx.mechanical control) PCB
FIGURE 6-8
c) Disconnect the connectors CN51, CN52, CN53 and
CN54. (See figure 6-8)
(10) Removal of M-6 (Tx. Mechanical Control) PCB.
a) Remove the transmission mechanical unit. (Refer to
the 6-1 -(2))
b) Remove the hooks (two places) fixing the M-6 (lx.
mechanical control) PCB. (See figure 6-9)
M-6 (lx. mechanical control) PCB CN63
Transmission me~hanical ufiit ~
I
hooks (two places)
I
c)
t+
FIGURE 6-9
Disconnect the connectors CN61, CN62 and CN63.
(See figure 6-9)
6-2. Replacement of the main parts
(1) Replacement of the Contact Image Sensor (CIS).
a) Remove the transmission mechanical unit. (Refer to
the 6-1 -(2))
b) Remove the operation panel. (Refer to the 6-1-(8))
c) Remove the platen sensor. (See figure 6-10, 6-1 1)
platen sensor
pull it out turning the arrow direction
bearing
w
e". *
Q":" 0
0
m
FIGURE 6-7
u
FIGURE 6-10
L
—23—