Yamaha YSP-1000 Service Manual page 64
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- Owner's manual (106 pages) ,
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- Quick reference manual (2 pages)
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A
B
C
YSP-1000
SCHEMATIC DIAGRAM (AMP 1/2)
1
2
3
4
0.1
5
6
0.1
7
8
9
10
# All voltages are measured with a 10MΩ/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.
64
D
E
F
Page 63
L7
to DSP_CB8
0
3.3
5.1
0
5.1
0
0
2.5
0
2.5
5.2
5.2
2.5
2.5
2.5
2.5
0
3.2
0
3.2
0
2.6
0
2.6
0
2.3
0
2.3
0
2.6
0
2.6
5.2
5.2
5.2
5.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
5.2
5.2
5.1
5.1
0
2.5
0
2.5
5.2
5.2
2.5
2.5
2.5
2.5
0
3.2
0
3.2
0
2.6
0
2.6
0
2.3
0
2.3
0
2.6
0
2.6
5.2
5.2
5.2
5.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
5.2
5.1
5.2
5.1
DRIVER
DRIVER
(TWEETER)
(TWEETER)
G
H
I
0
2.5
0
2.5
5.2
5.2
2.5
2.5
2.5
2.5
0
3.2
0
3.2
0
2.6
0
2.6
0
2.3
0
2.3
0
2.6
0
2.6
5.2
5.2
5.2
5.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
5.2
5.2
5.1
0
2.5
0
2.5
5.2
5.2
2.5
2.5
2.5
2.5
0
3.2
0
3.2
0
2.6
0
2.6
0
2.3
0
2.3
0
2.6
0
2.6
5.2
5.2
5.2
5.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
5.2
5.2
5.1
DRIVER
DRIVER
(TWEETER)
(TWEETER)
IC503, 504:
SN74AHCT541PWR
OCTAL BUFFERS/DRIVERS
OE1
1
20
V
CC
A1
2
19
OE2
1
OE1
A2
3
18
Y1
19
OE2
A3
4
17
Y2
A4
Y3
5
16
2
18
A1
Y1
A5
Y4
6
15
A6
7
14
Y5
To Seven Other Channels
A7
8
13
Y6
A8
9
12
Y7
GND
10
11
Y8
J
K
0
2.5
5.2
2.5
2.5
0
3.2
0
2.6
0
2.3
0
2.6
5.2
5.2
0.1
0.1
0.1
0.1
0
0
5.1
5.2
5.1
5.1
0
0
2.5
5.2
2.5
2.5
0
3.2
0
2.6
0
2.3
0
2.6
5.2
5.2
0.1
0.1
0.1
0.1
0
0
5.2
5.1
5.1
IC516: YDA138
Digital audio power amplifier
L
M
N
DRIVER
(WOOFER)
Page 67
J3
to INPUT (1)_CB504
AMP (2)
IC501, 502, 505, 506, 509, 510,
512~515: YDA139
Digital audio power amplifier
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