Sega VA1 Service Manual Page 6

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3-2. Reinstalling procedure
Sound board and DC-DC converter board reinstallation.
1)
Attach the power knob to the DC-DC converter board.
2) Anach the DC-DC converter board to the bottom case.
3) Tighten two screws
(203).
4) Anach the battery blade cover.
5) Attach the sound board.
6) Tighten two screws (203).
7) Anach the support plate.
8) Tighten four screws (203).
Main board reinstallation.
1) Spray surface
of
inside clear plate with static proof liquid.
2) Carefully check and remove dust inside clear plate and top case using air gun
in
a clean place.
Attach each
button and rubber contact
in
its normal position.
3) Attach the LCD cushion along to the bosses
in
the top case.
4) Lead the speaker cable outside the bosses
of
the top case.
5) Attach the main board.
Case I After exchange
of
LCD.
Take off protective film
of
LCD.
Case 2 Others
Clean surface
of
LCD using an air gun.
6) Anach the main board inside and along to the bosses
of
top case.
Note: When setting the main board, it
is
important to anach
it
as quickly as possible to prevent the adhesion
of
dust on the surface
of
the LCD and clear plate.
7) Tighten six screws
(203).
8) Tighten two screws (202).
Bottom case reinstallation.
I)
Correct 2 connectors from the main board
to
the sound board and I connector from the main board
to
the DC-DC
converter board.
2)
Firmly set the bottom case to the top case taking care not to pinch the cables by the edge
of
the cases.
· Tightening the screws on the bottom case.
1)
Turn
over
the unit.
2)
Tighten six screws (20 I).
3) Tighten the screw
(204).
4) Attach both battery lids (8 & 9).
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