Yamaha AX-496, 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
29
AX-396
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-396
★
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
15.9
-15.8
-15.8
-15.2 -31.0
-33.6
34.0
15.9
15.3 31.2
0 0 0
0
0
0.1
0.1 0.1
0.1
0.7 0.7
24.5 24.5 37.2
37.9
37.2
37.2
0
0
0
6.6
6.6 0.1
11.5 11.5 13.7
13.7 12.1
12.7
12.7
13.7
AC13.8
0.7
0 0
46.5(38.5)
-46.4
(-38.4)
AC72.0(AC59.6)
0
0
0
0
-2.5
-2.5
0
0
0.6 0.6
0 0
-44.8
-44.8
-44.6
-44.6
-44.0
-44.8
-45.5
-45.6 -45.4
-44.8 -44.8
-44.8 -44.8
-44.8 -44.8
-44.8
-45.0
-45.0
45.7
45.1
45.4
46.4
46.4
46.4
-46.3
-46.3
-46.2
-46.2
46.2
46.5
46.3
46.3
46.3
50.0
49.5
49.5
49.0
46.1
-44.4
-1.1
-1.1
1.1
1.1 1.1
-1.1
-1.1 -1.1
-1.1
1.1 1.1
1.1
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
-0.6
-0.6
-0.6
-0.5
0.5
0.5
-0.6
-0.5
-44.8
-44.6
-44.6
-44.8
-44.8
-44.2
-44.8
0.6 0.6
POWER
IMPEDANCE SELECTOR
RELAY DRIVER
POWER SUPPLY
POWER SUPPLY
POWER AMP
= used