Yamaha DSP-AX2 Service Manual page 63

A B
SCHEMATIC DIAGRAM (F AMP)
1
POWER AMP (FRONT)
FL
27.0
24.6
27.0
0
2
1.1
1.1
0 0.5
0
-14.0
-26.3
-26.2
27.0 24.6 0
-26.9 -26.9
-26.4
25.2
-27.2
-27.2
0
27.0
27.0
-22.6
3 0
1.1
1.1
0 0.5
-27.2
-22.1
-22.1
0
-13.9
-26.2
-26.3
0
-26.9 -26.9
-26.4
-27.2
-27.2
4
FAN DRIVER
5
12.0
0 0
1.4 1.4
4.8
6
SUB
12.0
POWER SUPPLY
5.8
5.9
0
7
AC 12.6V
Z
Z
Z
8
C D E
P-E75/J73
P-E75/J73
K-4
J-4
POWER SUPPLY
0
-27.2
27.0
AC 43.3V
0
0
50.4
0
0
0
-9.3
9.1
AC 15.9V
0
REGULATOR
9.1 5.0 9.1
5.0
0
50.6
0
0
0 0
0
-9.3 -5.0
12.0
21.1
0
26.8
0
26.6
0
-11.9
-20.0
26.7
0
0
AC 6.9V
P-E73/J71
G-9
P-E75/J73
M-3
SAME PAGE
F-2/F-3
P-E75/J73
M-3
SAME PAGE
F-2/F-3
F G
X : NOT USED
CIRCUIT CHANGES BY MARKET. O : USED
SAME PAGE
D-6/D-7
P-E78/J76
B-3
SAME PAGE
D-6/D-7
SAME PAGE
D-6/D-7
P-E73/J71
L-6
P-E73/J71
L-7
P-E74/J72
A-7
H I J
IC351 : M5220L
Dual OP-Amp
+ +
– –
1 2 3 4 5 6 7 8
Conditions
• INPUT: DVD auto
• PROGRAM: PRO LOGIC DSP
* All voltage are measured with a 10MΩ/V DC electric volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
K
DSP-AX2
E-76/J-74