Printed Circuit Board - Yamaha DSP-A595 Service Manual

A B
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
P. C. B. MAIN ( 3 )
TO: MAIN (1)
RE BE BL
W504
2
PRV1
E
E
E
3
T E
W752 RE
L 1 3 9 4 2 2 9 6 5 1 3
W753 RE
4
Semiconductor Location
Ref. No.
Ref. No. Location Location
Q501 D2
D501 E4
5 Q502 E2
D502 D3
D503 Q503 F2
E3
D721 G3 Q504 E2
D722 G3 Q505 F2
w w w
D751 A4 Q506 D3
D762 C3 Q507 E3
D763 C2 Q508 F3
IC722 G3 Q509 E3
IC723 G4 Q510 F3
.
IC724 G3 Q511 D3
Q512
D4
6
C
P. C. B. MAIN (4)
TO: MAIN (1)
#16
W761
#16
W751
PRV1
E
E
E
W763 W766 W765 W764
OR OR BE BE
IMPEDANCE SELECTOR
P. C. B. MAIN (8)
Ref. No. Location
Q513 E3
Q514 E4
Q515 F3
Q516 F4
Q517 E3
Q518 E4
Q519 F3
x a o
Q520 F4
y
Q557 F4
Q721
G3
i
Q722 G3
D E
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8
P. C. B. MAIN (6)
TO: INPUT (1)
#10
#10
Q Q
3 7 6 3
+B
NFL
VL
NFR
VR
NFRL
VRL
NFRR
VRR
NFC
VC
–B
E
u 1 6 3
.
41
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F
2 4
9 9 8
P. C. B. MAIN (7)
1 5 1 5 0 8 9 2 4
m
c o
G H
DSP-A595
2
9 9
TO:
OPERATION (5)
#17
VG
DG
+B3
–B2
E
+B2
–B4
+B4
DG
DG
VG
+12A
+12B
–12
+5D
E
E
–25
9 8 2 9 9
+25
#11
TO:
INPUT (1)
42