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Studer A727 Mode D'emploi Et Instructions De Service page 64

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~'TI'M[QJ~~
2.5
EL~CTRICAl
ASSE"BLIES
2.5.1
Transformer 1.769.257
-> Fig. 2.9
I
Fig. 2. 10
• Remove the top cover <Section 2
.
2.1).
• Remove
the
magnet
lifter (24)
by
lightlY
pressing
against the spring clip.
Important:
00
no
lose
the nylon sleeve
~ith
the O-ring
on
the
driving pin.
• Detach the following cables:
- Connecting cable [25] transformer ->OECODER BOARD
.
- Black
ground
conductor (26] on the
bottom of
the
housing.
-
Yellow/green ground conductor (27J on the power plug.
• Unfasten 2 screws
[28)
on the power plug.
• Unfasten
4 screws
[29J
on the bottom of
t~e
housing;
the
transformer can be pulled out of the
unit
toward
the back.
Reassembly instruction:
Make
sure
that the nylon sleeve on the driver pin of
the
Solenoid
lifter engages exactly
into
the
guide
groove of the CD drawer.
2.5
.
2 SERVO BOARD A727 1.769.410
-) Fig. 2
.
11
• Remove the top
cover
(Section 2
. 2.
1)
.
• Remove the CD player mechanism cover (Section 2
.
2.2).
• Detach the
following
cables:
- Flat
cable
connection
[30)
SERVO BOARD
->
DECODER
BOARD
- Cable connection
[311
SERVO BOARD
->
KEYBOARD LEFT
- Cable connection
(32J
SERVO BOARD -) KEYBOARD RIGHT
-
Cable
connection
(33J
SERVO BOARD -> LC DISPLAY
- Cable connection
(341
SeRVO BOARD
->
drawer motor
-
Flat
cable
connection (351 SERVO BOARD
->
CD
play
mechanism
Unfasten
1
screw
[36)
and remove the engaging lug.
• Unfasten
4 screws
(37)
and pull the SERVO BOARD towardl
the back by approx. 10 mm.
• Guide the flat cable
(351
SERVO BOARD -) play mechanism
through the opening in the drawer mechanism and
lay
it
flat
across
the
Circuit board.
• Carefully
pull the SERVO BOARD out
01
the unit
toward
'
the
bac~
until the notch (381 is flush with the
rearl
housing
~all
.
• The
circuit
board can now be turned upright
and
re-
moved.
A727
E 2/5
Fig.
2.9
Fig. 2.10
(32)~:1
[35
Fig.
2
.
11

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