Yamaha DSP-A5 Service Manual page 44

A B
DSP-A5
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
P. C. B. MAIN (2)
R,T,B,G
only
R,T,B,G
2
only
R,T,B,G
only
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
5
w w w
E-38/J-36
6
C
W505
BE
W510 W506
W505B
RE
L
BL
E
RR
W507A
R
W508A
W506B
R,T,B,G
only
W507 W508 FROM:
BL BL
MAIN (3)
FROM: W509
R,T,B,G MAIN (3)
only
R,T,B,G only
x a o
y
. i
D E
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8
P. C. B. MAIN (5)
R,T,B,G only
FROM:
MAIN (3)
Q Q
3 7 6 3
W504
P. C. B. MAIN (1)
W504
BL
RE
BE
u 1 6 3
.
E-39/J-37
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F G
2 4
9 9
Semiconductor Location
Ref. No.
D504
D505
D507
D508
D509
D510
D511
D512
D513
D514
D515
R
BR
D521
E
D522
BL
D523
L
D524
W506A
D525
D526
W505A
D528
D529
W501B
D530
D532
D761
D764
D765
D766
D767
W502B D768
Q521
Q522
Q523
Q524
Q525
Q526
1 5 1 5 0 8 9 2
W502 W501
RE BE
W501A
W502A
m
c o
H
2
8 9 9
Ref. No. Location
Location
Q527A F6
F4
Q527C G6
F4
Q528 F4
G5
F5 Q529 F5
C5 Q530 F5
E5 Q531A E6
D5 Q531C F6
F4 Q532 E4
G4 Q533 E5
Q534 C5
C4
Q535A C6
E4
Q535C C6
E4
Q536 E4
F5
Q537 C5
E5
D5 Q538 E5
C5 Q539A E6
C5 Q539C E6
F4 Q540 E4
C4 Q541 D5
E4 Q542 D5
Q543A D6
E4
Q543C D6
C4
Q545 D5
D4
Q546 G5
E4
Q547 F5
G4
Q548 C5
G4
G4 Q549 E5
G6 Q550 D5
F6 Q551 F4
C6 Q552 G4
E6 Q553 F4
D6 Q555 F4
G5
FROM:
OPERATION (1)
4 9 8 2 9 9
W553
#503
ERY
PRV1
VP
PRD
PRI
SPRY
SI2
PRY
MG
LDD
E
+B
+BV
VC
NFC
VRR
NFRR
VRL
NFRL
VR
NFR
VL
NFL
–BV