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Technics SU-CH700 - Disassembly Instructions - Part 3; Fan and Main PCB Removal; Power IC and Regulator Transistor Removal; Main PCB Checking Procedure

Technics SU-CH700
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SU-CH700
|
Removal
of
the
Fan
Led
Removal
of
the
Main
P.C.B.
Procedure Procedure
1—12
1.
Remove
the
connector
(JK351).
2.
Remove
the
3
screws
(@~®).
1.
Remove
the
3
screws
(@~®).
@
NOTE
[Bottom
side]
e\|nsert
the
projection
on
the
angle
Projection
into
the
hole
of
the
bottom
chassis
LZ
and
then
install
the
Main
P.C.B.
Zh
Procedure
13
2—
6
>>
7—>
Regulator
transistor
1.
Remove
the
3
screws
(@~®).
2.
Unsolder
the
power
IC
and
regulator
transistor.
e@When
mounting
the
Power
IC
or
regulator
transistor.
Apply
silicone
compound
(RFKX0002)
to
the
rear
side
of
power
IC
or
regulator
transistor.
Looe
Check
the
Main
P.C.B.
Procedure
1-2—6—
15
Main
P.C.B.
2.
Remove
the
rib
and
then
remove
the
Main
P.C.B.
in
the
direction
of
the
arrow.
On
Fig.
1.
1.
Remove
the
3
screws
(@~®).
2.
Remove
the
rib
and
then
remove
the
3.
Reinstall
the
front
panel
ass’y
to
the
INPUT/
Main
P.C.B.
in
the
direction
of
the
OUTPUT
terminal
P.C.B.
arrow.
4.
When
checking
the
soldered
surface
of
the
main
P.C.B.
do
as
shown
in
the
Fig.
3.

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