Read Sony HT-CT550W / STR-CT550WT Service Manual online
STR-CT550WT
7
2-7. MAIN BOARD
2-8. DC FAN (M3001)
3 two screws
(BV3)
6 five screws
(BV3)
lead pin
7
1 connector
(CN901)
2 fan connector
(CN3006)
coloured line
5 eight screws
(BVTP3
u 8)
9 three claws
0 holder (air)
qa MAIN
board
MAIN board
POWER board
front side
rear side
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Note 3: Make sure wire
do not touch
the
T901.
T901
8 wire (flat type) (21 core)
(CN1004)
4 heat sink (AMP)
Note
1: When you install the heat sink (AMP),
spread the compound referring to “NOTE
OF REPLACING THE IC3100 ON THE
MAIN BOARD AND THE COMPLETE
MAIN BOARD” on servicing notes (page 3).
Note 2: There should be no scratches
or stains on the terminal face
of the wire (flat type) (21 core).
The wire (flat type) (21 core)
should be inserted straight and
steadily with the coloured line
no slanting after insertion.
(No tilting, no incomplete
insertion)
3 DC fan (M3001)
1 connector
(CN3006)
2 two screws
(BVTP3
u 8)
Note 1: Mind the printing surface of the DC fan
and the direction of the wire.
Note 2: Align to fit to
two guide pins.
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printing surface
wire position
wire position
DC fan
(M3001)
(M3001)
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rear side
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