Yamaha RX-V861 Service Manual page 19

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When checking the P.C.B.:
Put the rubber sheet and cloth over the equipment.
Then place the each amp unit upside down on the
cloth and check it. (Fig. 11)
Reconnect all cables (connectors) that have been
disconnected.
When connecting the flexible flat cable, be careful
with polarity.
In this unit, the ground of P.C.B.s shown below is
connected to the rear panel and chassis.
When these P.C.B.s are removed from the rear panel
and chassis, connect the ground point to the rear
panel or chassis, using a ground lead or such. (Fig. 11)
MAIN (2) P.C.B.: G101
MAIN (2) P.C.B.: G103
Front view
Rubber sheet and cloth
MAIN (1) P.C.B.
Rear view
Support PCB-DH
Rubber sheet and cloth
(Ground)
(Ground)
FUNCTION (3) P.C.B.
DSP P.C.B.
HDMI P.C.B.
Ground lead
Fig. 11
RX-V861/HTR-6080/DSP-AX861SE/DSP-AX861
Ground lead
Rear panel
G103
G101
Ground lead
MAIN (2) P.C.B.
19

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