When Checking The P.c.b.s - Yamaha A-S700 Service Manual

When checking the P.C.B.s:

• 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 discon-
nected.
• Connect the ground point of the sub–chassis unit to the
chassis with a ground lead or the like. (Fig. 4)
Sub-chassis unit
Fig. 4
A-S700
Ground lead
Chassis
Rubber sheet and cloth
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