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Wiring Diagram; Overall Assembly - Yamaha A-S501 Service Manual

Integrated amplifier
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A
B
A-S501/A-S301

■ WIRING DIAGRAM

1

• OVERALL ASSEMBLY

Fix the wire by cable tie
not to touch with heatsink.
Top view
MAIN (2)
2
OPERATION (8)
CB4
CB16
to POWER
CB14
TRANSFORMER
to DIGITAL
CB13
CB17
(W301)
3
CB21
W10
CB12
CB2
to FUNCTION (1)
PN1
(W503)
POWER
TRANSFORMER
4
CB706
5
OPERATION (5)
Front view
OPERATION (6)
OPERATION (4)
6
W806B
W806B
W805B
W806A
W805A
OPERATION (7)
7
38
C
D
Fix the wire by style pin
not to touch with heatsink.
(R dest. only)
MAIN (3)
DIGITAL
CB104
FUNCTION (4)
W501B
W108
W301
W105
W104
PN102
CB301
CB303 CB304
PN505
MAIN (6)
W501A
W503
MAIN (4)
CB506
MAIN (5)
MAIN (1)
CB101
CB105
W803
OPERATION (3)
OPERATION (1)
OPERATION (2)
CB808
W801
OPERATION (1)
OPERATION (3)
W803
to FUNCTION (1) (CB508)
E
F
A-S501
A-S301
DIGITAL P.C.B. UNUIT
(Assemble this unit before attach to rear panel)
Stick within frame mark
printed at the P.C.B.
FUNCTION (2)
CB517
CB502/CB402
to FUNCTION (1)
(CB517)
W404
W502
W403
CB510/CB602
CB501/
CB401
FUNCTION (3)
CB404
PN401
W401
W402
Flexible flat cable
100 mm
(3-15/16")
CB505
PN504
to FUNCTION (1)
(CB505)
FUNCTION (1)
Letter side
to OPERATION (1)
PN503
W504
CB508
PN851
CB853
W808
W808
G
H
Do not stick
above this holes
Letter side
50 mm
(2")
to DIGITAL
10 mm
(CB301)
(3/8")
• AMP UNIT
(W808)
W102
W103
PN104
MAIN (4)
CB107
CB106
MAIN (5)
MAIN (1)
I
J
Fix the wire by style pin.

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