Main P.c.b. Check - Yamaha CDC-585 Service Manual

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MAIN P.C.B. CHECK

Preparation before MAIN P.C.B. Check
a. Remove the Top Cover.
b. Remove the Tray Ass'y
c. Remove 3 screws ( q ) on the Panel as shown in
Fig. 1.
d. Remove 2 screws ( w ) and 1 plastic rivet on the
Main P.C.B. as shown in Fig. 2.
e. Spread a cloth over the Main Chassis as shown in
Fig. 2.
f. Put the Main P.C.B. on end as shown in Fig. 2.
g. Connect the ground point of Main P.C.B. (2) to rear
panel by using wire as shown in Fig. 2.
w
P.C.B. Main
TE
L 13942296513
h. Remove 7 screws ( e ) as shown in Fig. 3.
i. Remove 5 screws ( r ) and 1 screw ( t ) as shown
in Fig. 4.
j. Remove the front panel from the Main Chassis.
e
Front Panel
e
e
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http://www.xiaoyu163.com
w
Plastic Rivet
Rear Panel
q
e
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CDC-585/CDC-506/CDC-685/CDC-906
2 9
8
CAUTION : The ground point must be connected to
rear panel to keep the circuit in normal
operation when Main P.C.B. is removed
from main chassis.
P.C.B. Main
Q Q
3 6 7 1 3 1 5
Cloth
Fig. 1
r
Top View
Front Panel
r
Front Panel
r
t
Fig. 3
co
.
9 4 2 8
Solder the end of the wire to the ground point
of Main P. C. B. (2). (refer to P.31/P.33 F-2)
0 5 8 2 9 9 4 2 8
r
m
9 9
Cable
Rear Panel
9 9
Fig. 2
Fig. 4
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