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7
.
Remo ving
ma
in
boa rd
1 and the heat sink
a) Remove the top and bottom covers,
b)
Remove
the function board (step 5)
.
c) Desolder power transistors TR335 - TR338.
d) T
ake
out main board 1 by removing screws
CD -
®
in photo 6.
e) Detach connectors
® -
@
in photo 6.
f)
Remove the heat sink by taking out screws
® -
®
in photo 6.
*
Make sure that transistors TR321 and TR322 are
co rrec t ly connected to the heat sink for proper heat
d
issipation,
Photo 6
A-760
II
8. Removing the power t
ransformer
and
pr
ima
ry
boards 1 and 2
a) Remove the top cover (step 1).
b) Remove the primary board wiring.
c) Take out screw
CD
in photo 7 and release
pr
ima ry
boards 1 and 2 from board fasteners
®
and
®
.
d) Remove the power transformer cover by taking out
screws
® - ®
in photo 7.
e) Take out screws
CD -
8)
in photo
8
t
o re
move
the power transformer .
Pho to 8
-------- - - - - - - - - - - - - - - - - - - - - - - - - - --4
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