Yamaha AX-497 Servise Manual - Page 22

Browse online or download pdf Servise Manual for Amplifier Yamaha AX-497. Yamaha AX-497 36 pages. Stereo amplifier
Also for Yamaha AX-497: Owner's Manual (23 pages), Owner's Manual (24 pages)

Print Page
Yamaha AX-497 Servise Manual
A
B
AX-497
SCHEMATIC DIAGRAM (MAIN)
1
Q Q
3 7 6 3 1 5 1 5 0
Page 21
J-4
0.1
6.2
TO FUNCTION (1) W301
0
2
0.1
6.2
0.1
Page 21
J-4
TO FUNCTION (1) CB306
3
15.7
21.6
16.3
16.3
-16.3
-16.3
-21.3
-15.7
4
T E
L
1 3 9 4 2 2 9 6 5 1 3
5
0
-4.3
0
6
0.4
-0.1
Page 21
I-1
TO FUNCTION (6) CB532
7
0
-4.3
0
w w w
IC221, 226 : LM61CIZ
Temperature Sensor
8
+Vs
Vout
GND
22
C
D
E
21.6
0
0
-21.4
0
0
55.6
55.0
55.0
54.4
54.4
1.2
1.2
-0.5
-1.1
0.7
0.7
0.1
0.1
-54.3
-54.2
-54.3
-54.2
-1.1
-53.6
-53.6
-54.3
-54.3
-54.2
-54.2
-54.2
-54.2
-54.8
-54.8
-54.8
-54.8
-54.2
-54.2
-54.3
-54.2
-54.3
-54.2
-53.7
-53.7
-1.1
-54.3
-54.2
-54.2
-54.3
0.1
0.1
0.7
0.7
-1.1
-0.5
1.2
x
a o
1.2
.
i
54.5
54.5
55.0
55.0
55.6
http://www.xiaoyu163.com
F
G
12.1
12.1
48.2
12.6
0.1
0.1
13.2
0.1
13.1
0.7
0
0
44.9
0
25.4
25.0
44.9
44.9
0.4
0
44.9
0.4
0
0.7
0.7
0
0
0
0
Q
Q
3
55.6
55.5
55.6
0
55.6
1.2
0.6
0
55.3
0.1
0.1
0
0
-0.5
-55.6
-0.5
-1.1
-55.6
0.1
0
0
-55.6
0.1
-1.1
-55.6
-0.5
-0.5
0
0
0.1
0.1
55.3
0.6
0.6
u 1 6 3
y
1.2
55.6
55.6
http://www.xiaoyu163.com
H
I
2
4
8
9
Page 21
G-6
TO FUNCTION (12) CB681
48.2
48.2
22.6
22.7
0
AC43.0
AC81.6
55.6 (46.2)
AC67.8
0
0
-55.7
(-46.3)
AC32.7
7
6
3
1
5
1
5
0
8
WG43640
m
c o
.
J
K
2
9
8
9
9
9
2
4
9
8
2
9
9
* All voltages are measured with a 10M Ω /V DC electronic 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.
Z
L