Wiring Diagram - Yamaha RX-V681 Service Manual

A B

■ WIRING DIAGRAM

1
Top view
• OVERALL ASSEMBLY
MAIN (2)
R, V, S models
CB111
Power cable
W3703
80 mm
W3704
(3-1/8")
CB374
W3707
PN371
CB371
to OPERATION (3)
(CB371)
Cord Stopper
2
Don't touch with HS101 on MAIN (1) P.C.B.
And, must not be close to T3701 on
OPERATION (3) P.C.B.
OPERATION (3)
Don't touch with
HEATSINK.
3
POWER
TRANSFORMER
MAIN (7)
CB308
(RX-V681)
RX-A760
4
RX-V681
Front panel (View A)
OPERATION (7)
W307
to chassis
CB308
5
CB301
W301
OPERATION (6)
RX-A760
Front panel (View A)
6
W304B
OPERATION (10)
CB308
7
OPERATION (5)
C D
AM/FM
OPERATION (8)
TUNER
to OPERATION (2)
CB391
(CB344)
CB101
DIGITAL (1)
CB76 CB76
W105
to MAIN (1) (CB103)
CB1
Don't touch with HS101 OPERATION (2)
CB102
on MAIN (1) P.C.B.
PN941
PN102
CB951 CB951
PN109
NETWORK
CB944
CB942 CB942
MODULE
to MAIN (1) (W109)
to MAIN (1) (W108)
CB941
CB6
to MAIN (1)
CB78 CB80
CB79
(W106)
MAIN (1)
W112
MAIN (3)
MAIN (5) MAIN (4)
PN106
CB302 CB302
CB422
to OPERATION (1) (W310)
(RX-V681)
to OPERATION (12) (W309)
(RX-A760)
MAIN (7) Don't touch with
AMP UNIT
W4201
HEATSINK.
(RX-A760)
to DIGITAL (1) (CB6)
DIGITAL (2)
to MAIN (1)
(W106)
W310
CB422
W309
CB302
CB304
OPERATION (1)
CB306
CB303
to DIGITAL (1)
to DIGITAL (1)
(CB6)
MAIN (1)
(CB1)
OPERATION (7)
(W106)
OPERATION (6) DIGITAL (2) OPERATION (12)
W4201
CB302
W309
CB422
W308
CB301
OPERATION (11)
CB303
CB306
OPERATION (1)
W304A
to DIGITAL (1)
to DIGITAL (1) to DIGITAL (1)
(CB1) (CB6)
(CB941)
E F
Side view
OPERATION (9)
OPERATION (4)
to OPERATION (4)
CB945
(CB381)
CB383
CB381
to MAIN (1)
CB382
(W116)
CB946
to MAIN (1)
(CB154) W154
to MAIN (1)
(CB155) W155
CB948
CB949 to OPERATION (2)
CB82
(CB343)
PN105
MAIN (6)
to OPERATION (1) (W309)
(RX-V681)
to OPERATION (12) (W308)
(RX-A760)
View A
to OPERATION (1)
to OPERATION (1) (CB303)
(RX-V981) (CB306)
to OPERATION (1) (CB304)
(RX-A760)
OPERATION (5)
Flexible flat cable
to OPERATION (2)
(CB343)
CB305
Contact side
to OPERATION (2)
(CB343)
to DIGITAL (1)
(CB82)
from W310 to DIGITAL (1) (CB951)
from W309 to DIGITAL (1) (CB941)
Flexible flat cable
to OPERATION (2)
(CB343)
Contact side
to OPERATION (2)
CB305
(CB343)
to DIGITAL (1)
CB304
(CB82)
to DIGITAL (1)
(CB951)
G H
Don't touch with
TOP COVER.
• AMP UNIT
to MAIN (1)
(CB153)
Don't touch with
Top view HEATSINK.
W103B
W104B W110
to DIGITAL (1)
to OPERATION (8)
(CB76)
W105
(CB391)
W106
to OPERATION (3)
(W3705)
HS101
W101C
W108
W101A
W109
PN101
W104A
to OPERATION (7) (CB308)
(RX-V681)
W101B
to OPERATION (7) (W302)
W101D
(RX-A760)
Flexible flat cable 60 mm (2-3/8")
Fold line position
20 mm
(3/4")
Bend to
back side
Contact side
to OPERATION (1)
to OPERATION (1)
(CB303)
(CB306)
180 mm (7-1/8")
Flexible flat cable 60 mm (2-3/8")
Fold line position
20 mm
(3/4")
Bend to
back side
Contact side
to OPERATION (1)
to OPERATION (1)
(CB304)
(CB305)
140 mm (5-1/2")
I J
RX-V681/RX-A760
OPERATION (9)
AM/FM
TUNER
OPERATION (4)
CB361
to OPERATION (4)
CB345
(CB383)
CB344
CB384
CB346 CB343
CB342
CB347
OPERATION (2)
to DIGITAL (1)
(CB80)
to DIGITAL (1)
W103A
(CB78)
MAIN (1)
to OPERATION (1)
(CB306)
(RX-V681)
to OPERATION (1)
(CB305)
(RX-A760)
to DIGITAL (1)
(CB82)
Bend to
back side 37 mm
2 mm
(1-1/2")
(1/8")
to DIGITAL (1)
(CB82)
Bend to
back side
37 mm
2 mm
(1-1/2")
(1/8")
87