When Checking The P.c.b. - Yamaha AS2000BL Service Manual

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 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)
Rubber sheet and cloth
Front frame ass'y
12
Fig. 4
Ground lead