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Yamaha R-1330 - Schematic Diagrams; Front Schematic Diagram (1;3)

Yamaha R-1330
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All voltages are measured with a 10MΩ/V DC electronic voltmeter.
Components having special characteristics are marked
and must be replaced
with parts having specifications equal to those originally installed.
Schematic diagram is subject to change without notice.
●電圧は、内部抵抗 10MΩの電圧計で測定したものです。
●⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
●本回路図は標準回路図です。改良のため予告なく変更することがございます。
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
51
FRONT 1/3
R-1330/NS-BP400
SCHEMATIC DIAGRAMS
IC801
CB805
JK801
CB801
0
0
0
0.8
0.8
0.6
11.9
11.9
0.4
4.7
4.7
0
0
0
0
5.0
5.0
4.7
29.9
5.0
5.0
5.7
4.7
5.0
5.0
5.0
3.4
5.0
29.8
5.0
5.0
0
0
2.0 1.0
0
5.0
5.0
0
0
0
5.0
1.0
5.0
0
0
3.6
IC801: LB1641
Motor driver
INPUT LOGIC
IN 1
IN 2
VZ
P1
P2
OUT 1
OUT 2
VCC 2
VCC 1
GND
PRE DRIVER
1
3281097
4
6
5
FRONT (4)
FRONT (1)
VOLUME
PURE DIRECT
indicator
TUNER PRESET
TUNER PRESET
POWER indicator
PHONES
INPUT
MOTOR DRIVER
to MAIN (1)_W50
Page 54
C2
to MAIN (1)_CB53
Page 54
A6

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