Printed Circuit Boards - Yamaha YSP-900 Service Manual

A B
1
I PRINTED CIRCUIT BOARDS
DSP P.C.B. (Side A)
2
3
AMP
(CB702)
DGND
YASD00
YASD01
DGND
YASD02
YASD03
DGND
YASD04
YASD05
DGND
YABCK
YAWCK
DGND
YBSD00
YBSD01
DGND
YBSD02
YBSD03
YBSD04
DGND
YBBCK
YBWCK
DGND
4
D4_MOD0
D3_MUTEN
/WF_MUTE
D3_PROTN
DGND
AGND
WFR_OUT
WFL_OUT
AGND
5
6
7
C D E
INPUT(3)
(CB902)
INPUT(1)
(CB507)
R189
R179
R198
R178
R197
R195
R175
R194
R174
R193
R173
R192
51
50
1 5
31
30
24 25
5 1
1 48
28 54
1
27
F G
80 81
37 48
1
36
25 12
13
24
100
1
1
50
1
48
5
25
H I
INPUT(2)
(CB3)
Ref No. Location
25
D2 D4
D3 F5
D14 G5
26
D15 G5
IC1 D3
IC2 D4
1
IC3 E5
IC4 F3
IC6 F4
24 IC9 G4
IC11 G5
IC13 E4
IC14 C5
IC17 C4
IC24 E3
J
YSP-900
45