When Checking The P.c.b. - Yamaha DSP-AX2700 Service Manual

RX-V2700/DSP-AX2700

When checking the P.C.B.:

• Place the sub chassis unit on top of the rubber sheet
and cloth. (Fig. 4)
• Reconnect all cables (connectors) that have been dis-
connected. Use the extension cable before servicing
the following section.
FL (1) P.C.B. CB901_FL (2) P.C.B. CB970:
MF126500 (26P, 500mm)
FL (2) P.C.B. CB971_OPERATION (2) P.C.B. CB803:
MF115500 (15P, 500mm)
FL (1) P.C.B. W9001_POWER (1) P.C.B. CB12:
MF405400 (5P, 400mm)
• When connecting the flexible flat cable, be careful
with polarity.
• In main unit, the ground of sub chassis unit is con-
nected to the chassis. When this sub chassis unit are
removed from chassis, connect the ground to the
chassis, using a ground lead or such. (Fig. 4)
Sub chassis unit
Rubber sheet and cloth
W9001
FL (1) P.C.B.
14
POWER (1) P.C.B.
CB12
MF405400
CB901
OPERATION (2) P.C.B.
Fig. 4
FL (2) P.C.B.
Ground lead
CB970
MF126500
MF115500
CB803
Chassis
CB971