Yamaha AX-596 Service Manual page 14

A B
AX-596
SCHEMATIC DIAGRAM
1
2
From FUNCTION (7)
see page 16
3
4
5
From FUNCTION (1)
see page 16
6
7
8
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SD1915F 2SA1145 2SC4488
2SC1740S 2SA970 2SA1708
DTA123ESTP 2SC2705
2SC1815
2SA1015
2SA893A
2SC1890A
E
E
C
C B B
9
17
C D E
To/From FUNCTION (1)
see page 18
14.7 17.5
17.5
15.3
14.8
14.6
17.4
-15.3 RELAY DRIVER
0
0.7
0 0
0
17.4
-15.4
-5.7
-15.3
-14.7 -17.7
51.6
51.7
51.0
51.0
0.6
0.6 0.6
0 0
-51.2 -51.2
-51.2
-51.2
-51.2
-51.2
-51.2
-51.2
-51.8 -51.8
0
POWER AMP
-14.6
0
0
-14.6
0
-51.7 -51.7
-51.2
-51.2
-51.2
-51.2
-51.2
-51.2
-51.2
-51.2
0 0
0.6 0.6
0.6
-51.0
51.7
51.6
52.0
2SC4466
2SA1358 S5VB20 DIODES
Anode
–
~
~
+
B
Cathode
C B
E C
E B C
E
F G
POWER SUPPLY
14.1
0.1
0.1
0.7 0
IMPEDANCE
SELECTOR
17.5 17.5 POWER SUPPLY
17.6
17.5 -17.8 52.0(43.6)
0 0
0
0
17.5
-17.6
0 0
-52.1 (-43.7)
17.5 -17.8
-5.7 -17.7
-0.3
15.7
52.0
52.0
51.4
0.6 52.0
52.0
52.0
51.0
1.1 0
1.1 -14.2
-12.4 0
52.0
0.6
51.8
0.6
1.1 0 -12.4
0
-0.5 0
-14.5
-1.1
0
-0.5 -0.5
-1.1
-1.1
-50.6 -0.5 0
-52.1
-51.2 -52.1
-52.1
-51.2
0
0
0
0
-51.2
-52.1
-51.2
-52.1
-50.2 -0.6
-1.1 -1.1 -52.1
-0.6
-0.6
0
-1.1
0
-0.5
0
1.1
0
50.7
0.6
0.6
1.1
1.1 0
52.0
-51.0
0.6
52.0
51.5
52.0
# All voltage are measured with a 10MΩ /V DC electric 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.
H I
POWER
14.1 6.7
6.7 14.1
0 6.6
0 6.6
AC82.0
AC69.2 AC82.0
SPEAKERS A
SPEAKERS B
J K L