Yamaha AX-396, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
SCHEMATIC DIAGRAM
27
AX-496
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
BC
E
2SA1695
2SC4466 2SA1145
2SA970
2SC2705
2SC1815
2SA1015
2SC2240
2SA893A
2SC1890A S4VB20 2SA1358 2SC4488 2SD1915F
2SC1740S
DTC144ES
2SA933S
E E
C
C
B
B
E
C B
+
–
~
~
E
C
B
DIODES
Anode
Cathode
AX-496
★
All voltage are measured with a 10M
W
/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.
To/From FUNCTION (1)
see page 26
From FUNCTION (7)
see page 26
From FUNCTION (6)
see page 26
0
0
0 0 0
0
0
0
0 0
50.1
-50.0
5.8
6.2
0
0.1
0.1 0.1
0.1
12.8
12.8
AC12.6
AC78.0
0.1
0.7 0.7
0.7
23.6 23.6 42.9
42.9
43.1
43.1
0
0
15.8
-15.8
-15.8
-15.2 -18.3
-18.3
18.3
15.8
15.2 18.4
0
0
0
0
0
0.6 0.6
0 0
48.8
-48.8
-48.8
-48.8
-48.1
-48.8
-49.3
-49.1 -49.1
-49.0 -49.0
-49.0 -49.0
-49.0 -49.0
-49.0
-49.0
-49.0
49.2
48.9
49.3
50.0
50.0
50.0
-50.0
-50.0
-50.0
-50.0
50.0
50.0
50.0
50.0
50.0
50.0
49.5
49.5
49.0
50.0
-48.3
-1.1
-1.1
1.1
1.1 1.1
-1.1
-1.1 -1.1
-1.1
1.1 1.1
1.1
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
-0.5
-0.5
-0.5
-0.5
0.5
0.5
-0.5
-0.5
-49.0
48.7
-48.7
-48.7
-48.7
0.6 0.6
0
0
-2.5
-2.5
-0.3
RELAY DRIVER
POWER SUPPLY
POWER SUPPLY
POWER AMP
IMPEDANCE SELECTOR
POWER
= used