Yamaha A-S2000 Service Manual - Page 12
When checking the P.C.B.:, A-S2000, Fig. 4
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A-S2000 When checking the P.C.B.: • Put the rubber sheet and cloth over this unit. Then place the P.C.B.s upside down on the cloth and check it. (Fig. 4) • Reconnect all cables (connectors) that have been disconnected. • In this unit, the ground of the front frame ass'y is connected to the chassis. When the front frame ass'y is removed from the chassis, connect the ground point to the chassis, using a ground lead wire or the like. (Fig. 4) 1 1$#Λ JH 44 44 JHʣ Rubber sheet and cloth Front frame ass'y 44: Fig. 4 Ground lead Ξʔεઢ A-S2000 12
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12
A-S2000
A-S2000
P.C.B.をチェックをする場合には：
・ 本機の上にゴムシートと布を敷き、その上にP.C.B.を
裏返しに置いてチェックします。（Fig. 4）
・外したケーブル（コネクター）をすべて接続します。
・ 本機ではフロントフレームASSYのアースがシャーシ
に接続されています。フロントフレームASSYを
シャーシより取り外した場合は、アース線等でシャー
シに接続してください。（Fig. 4）
When checking the P.C.B.:
•
Put the rubber sheet and cloth over this unit. Then
place the P.C.B.s upside down on the cloth and
check it. (Fig. 4)
•
Reconnect all cables (connectors) that have been
disconnected.
•
In this unit, the ground of the front frame ass
’
y is con-
nected to the chassis. When the front frame ass
’
y is
removed from the chassis, connect the ground point
to the chassis, using a ground lead wire or the like.
(Fig. 4)
Fig. 4
Rubber sheet and cloth
ゴムシートと布�
Ground lead
アース線�
Front frame ass'y
フロントフレーム ASSY