A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
YSP-800
SCHEMATIC DIAGRAM (AMP)
58
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
AMP
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE1
A1
A2
A3
A4
A5
A6
A7
A8
GND
V CC
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
OE1
OE2
To Seven Other Channels
A1
Y1
1
19
2
18
IC703, 704
:
SN74AHCT541PWR
OCTAL BUFFERS/DRIVERS
IC711, 716
: YDA138
Digital audio power amplifier
IC701, 702, 705, 706, 709, 710, 712~715, 717
: YDA139
Digital audio power amplifier
Page 57
to DSP_CB11
J7
Page 60
to INPUT(1)_CB504
J3
2.2
0
1.5
1.5
1.5
1.5
1.7
1.7
1.7
3.2
0
2.2
0
2.4
2.5
2.5
2.2
2.5
3.2
5.0
2.5
0
0
0
0
5.1
5.1
5.1
5.0
0.2
0.2
0.2
0.2
0
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
0
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
2.4
5.0
2.5
2.5
2.2
2.5
3.2
0
0
0
0
0
2.5
5.1
0.2
0.2
0
5.1
5.1
5.0
0.2
0.2
0
0
0
2.4
2.5
2.5
2.2
2.5
3.2
5.0
2.5
0
0
0
0
5.1
5.1
5.1
5.0
0.2
0.2
0.2
0.2
0
0
0
2.4
2.5
2.5
2.2
2.5
3.2
5.0
2.5
0
0
0
0
5.1
5.1
5.1
5.0
0.2
0.2
0.2
0.2
0
0
0
2.4
2.5
2.5
2.2
2.5
3.2
5.0
2.5
0
0
0
0
5.1
5.1
5.1
5.0
0.2
0.2
0.2
0.2
0
0
0
2.4
2.5
2.5
2.2
2.5
3.2
5.0
2.5
0
0
0
0
5.1
5.1
5.1
5.0
0
5.0
0.2
0.2
0.2
0.2
0
0
2.2
2.2
2.2
2.2
2.5
2.5
5.0
0
2.2
0
1.5
1.5
1.5
1.5
1.7
1.7
3.2
3.2
05
.0
10.1
10.1
10.1
5.0
5.0
5.0
5.0
5.0
0
0.5
2.4
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10.1
0.5
10.1
0.5
3.3
0
0
5.0
2.5
2.5
0
5.0
10.1
10.1
10.1
0.5
5.0
5.0
5.0
5.0
5.0
0
2.4
2.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10.1
0.5
10.1
0.5
3.3
10.1
0
0
5.0
2.5
2.5
0
2.2
2.2
2.2
2.2
2.5
2.5
2.5
5.0
3.3
5.0
5.0
5.0
5.0
0
0
Summary of Contents for YSP 800 - Digital Sound Projector Five CH...
Page 81: ...YSP 800 81 YSP 800 8 9 0 A B 1 2 3 4 5 6 7...
Page 82: ...YSP 800...