Schematic Diagram - Yamaha AX-596 Service Manual

A B

SCHEMATIC DIAGRAM

1
PHONO EQ AMP
12.7
0
0
0
0
0
0
-12.8
2
13.0 13.8
0
0
-0.6 -0.6
0.6 0.6
0
0
-13.6
-13.1
CD BUFFER
-13.0
-13.6
0
3
0
0.6 0.6
-0.6
-0.6
0 0
13.1 13.8
4
CD/DVD DIRECT
AMP OFF
12.9
0
0
0
0
0 0
-13.0
12.9
0
0
0
0
5
0 0
-13.0
12.9
0
0
0
0
6
0 0
-13.0
12.9
0
0
0
0
7
0 0
-13.0
8
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
2SD1915F 2SC1815
2SC1740S 2SA1015
DTC114ES 2SC1890A
DTC144ES
2SA933S
E
C B
9
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C D
12.9
13.5
0.1
0.1
-13.0
-13.6
-13.6
-13.0
0.1
0.1
12.9
13.5
CD/DVD DIRECT
AMP ON
0
0.7
0
0 0.7
0
0 0 0 0 0 0 0 0
0 0 0 0 0 0
0 0
0 0
0 0 0 0 0
0 0 0
0 0
0
0
0 0 0 0 0 0
0 0 0 0
0 0
INPUT SELECTOR
2SC4488 DIODES NJM2068LD LB1641
NJM4558L
Anode
8
B Cathode
C
E E
C 1
1
B
manuals search engine
E F
11.8 12.4 13.0
SYSTEM
CONTROL
4.8
9.9
0.4
4.9
11.8 9.9
0.7 0.4
MOTOR DRIVER
NJM2068LD / NJM4558LD LC78211
L1 1
L2 2
L3 3
4
1 2 3 4 5 6 7 8 L4
LCOM1 5
6
L5
L6 7
8
LCOM2
L7 9
LC78211 M34748E8SP
10
L8
LCOM3 11
21
19
V
DD
10 15 16
V SS
V 12
EE
18
RES
30 42
17
S
1 1
G H I
K
4
CD/DVD DIRECT AMP &
PURE DIRECT OFF
To MAIN (1)
see page 17
13.7
0
0 0
VOLUME AMP
0
0
0
-13.8
PROTECTION
14.6
14.5
4.9
4.8 14.6
14.6
0
-0.1
0
0.7
0
5.5
4.9 5.5
13.6
5.5
5.5 6.1
4.8 5.5
5.5
-14.6
6.1
2
0
4.8
0 13.7 13.8
3
0 13.1
0
1.7
7.3 6.6
1.0 0
0.6 0
0
0.6
0.5
RESET 0
0
0 0
14.5
4.4
14.6
13.9
0
4.8
0
0
4.4
4.4 4.8
LB1641
30 R1
29 R2
3 2 8 10 9 7
28
R3
27
R4
26 RCOM1
VZ
25 4
R5
24 R6
23
RCOM2
22 R7
21
R8
20 RCOM3 IN 1 5 INPUT LOGIC 6 IN 2
LEVEL SHIFTER GND 1
14
ZZ D1
LATCH
15
ZZ CL
SHIFT REGISTER
13
ZZ CE
J K
AX-596
TONE CONTROL AMP
13.4
0.1
0
0.1
0.1
0
0.1
-14.5
To MAIN (1) PHONES
see page 17
To/From MAIN (1)
A B
see page 17
SPEAKERS
14.1
0
0
0
0
0
1 0
-14.2
0
0
-14.6
0
0
MUTING
Point 1 and 2
Emitter of Q322
Base of Q316
4.4
With the POWER switch Disconnect the power cord
turned ON, connect the from the AC outlet.
power cord to the AC outlet.
Point 3
Pin 20 of IC308
# 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.
L
G
1
16