Yamaha HTR-6150, Service Manual

Page: 88 / 114

IC61
IC62
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V563/HTR-6150/DSP-AX563
88
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★ 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.
DSP 6/8
3.3
3.3 0 0.2 0 0 3.3
3.3
0 0 0 3.3 1.6 0 3.3 0 0 3.3
3.3
0
0
3.3
0
3.3
3.3
3.3
3.3
4.3
0
0
0
5.0
0
3.3
5.0
3.3
3.3
0
0
0
0
0
3.3
0
0
3.3
3.3
3.3
3.3
3.3
0
3.3
0
0
3.3 0 3.3 0
0
0 3.3
0
0 3.3
3.3
0
0
0
0
0
0
0
0
3.3
3.3
0
3.3
0
0
3.3
3.3
3.3
0
0
0
0
0
3.3
0
0
0
0
0
0
3.3
3.3
0
3.3
3.3
3.3
0
3.3 3.3
0
3.3
0
3.1
0
3.3 3.3 3.3
3.3 3.3
0 0
3.3 3.3
0
3.3
0
3.3 3.3
0
3.3 3.3
0 0 0
2.9 3.3 3.3
3.3 3.3 3.3 3.3
3.3
3.3
5.0 5.0
0
0
3.3
3.3
0
0
0
3.3
0
0
0
0
5.0
5.0
0
0
0
0
IC62 : SN74AHCT245PWR
Octal bus transceivers with 3-state outputs
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
DIR
OE
A1
B1
To Seven Other Channels
1
2
19
18
NPGA
to DSP 7/8
to DSP 7/8
to DSP 1/8
to DSP 1/8
to DSP 1/8
to DSP 1/8
to DSP 3/8
to DSP 3/8 / to DSP 8/8
to DSP 3/8
to DSP 3/8
to DSP 1/8
to DSP 2/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 8/8
to DSP 7/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 2/8
to DSP 5/8
to DSP 5/8
to DSP 5/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 7/8
to DSP 7/8
to DSP 7/8
to DSP 8/8 to DSP 8/8 to DSP 8/8 to DSP 8/8 to DSP 8/8
to DSP 5/8 to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8 to DSP 2/8
to DSP 3/8
to DSP 3/8 / to DSP 6/8
to DSP 2/8
to DSP 2/8 to DSP 3/8
to DSP 1/8
to DSP 1/8 to DSP 2/8
to DSP 1/8
to DSP 1/8
to DSP 8/8
to DSP 8/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 3/8
to DSP 2/8
to DSP 1/8