Yamaha AX-397 서비스 매뉴얼 - 페이지 21

{카테고리_이름} Yamaha AX-397에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Yamaha AX-397 36 페이지. Yamaha ax-397 stereo amplifier service manual
Yamaha AX-397에 대해서도 마찬가지입니다: 소유자 매뉴얼 (23 페이지), 소유자 매뉴얼 (24 페이지)

페이지 인쇄
Yamaha AX-397 서비스 매뉴얼
A
B
SCHEMATIC DIAGRAM (FUNCTION)
1
IC302, 501, 502, 531, 532:
NJM2068MD-TE
Dual OP-Amp
OUT
1
8
+V
1
CC
–IN
2
OUT
1
7
2
+
–
+
–
+IN
1
3
6
–IN
2
–V
4
5
+IN
CC
2
2
3
4
5
6
7
IC452: NJU7312AM
IC453: TC4053BP
Analog Function Switch
Triple 2 Channel Analog Multiplexers/Demultiplexers
VDD
L1
2
29
R1
16
L2
3
28
R2
27
L3
4
R3
A
11
L-COM1
5
26
R-COM1
L4
6
25
R4
L5
7
24
R5
B
10
L6
8
23
R6
8
22
R-COM2
L-COM2
9
C
9
L7
10
21
R7
L8
11
20
R8
INH
6
L-COM3
12
19
R-COM3
ST
14
17
DATA
CONTROL
VDD
30
CK
16
8
VSS
VEE
1
15
VSS
NC
13
18 NC
C
D
E
14.0
15.0
0
0
0
0
0.1
0.1
0
-14.7
13.5
0
0
0
0
0
0
-13.2
0
0.7
0
CD/DVD DIRECT AMP ON
0
0.7
0
0
0
0
0
0
0
0
0
0
9.6
0
9.6
0
9.6
-9.5
0
9.6
9.6
0
0
0
-9.5
14
X-COMMON
OUT C IN
12
OX
OUT C IN
13
IX
OUT C IN
2
OY
CONTROL INPUTS
"ON" CHANNEL
INHIBIT
C
B
A
0X (Pin 12), 0Y (Pin 2), 0Z (Pin 5)
IY
(Pin 6)
(Pin 9)
(Pin 10)
(Pin 11)
1X (Pin 13), 1Y (Pin 1), 1Z (Pin 3)
OUT C IN
1
L
L
L
L
0X, 0Y, 0Z
OUT C IN
5
OZ
L
L
L
H
1X, 0Y, 0Z
L
L
H
L
0X, 1Y, 0Z
OUT C IN
IZ
3
L
L
H
H
1X, 1Y, 0Z
L
H
L
L
0X, 0Y, 1Z
4
Z-COMMON
L
H
L
H
1X, 0Y, 1Z
L
H
H
L
0X, 1Y, 1Z
Y-COMMON
15
L
H
H
H
1X, 1Y, 1Z
H
*
*
*
NOTE
* Don't Care
7
VEE
F
G
15.5
15.5
14.0
14.1
14.1
CD/DVD DIRECT AMP ON
0.1
0.1
0.1
0
0
CD/DVD DIRECT AMP OFF
1.7
0.7
0
CD/DVD DIRECT AMP OFF
Page 22
I-1
TO MAIN (2) W151
Point w
Point q (Pin 20 of IC301)
IC421: LB1641
CH 1 : Emitter of Q309
Motor Driver
CH 2 : Collector of Q304
3
2
8
10
9
7
VZ
4
IN 1
5
INPUT LOGIC
6
IN 2
GND
1
H
I
Page 22
B-6
TO MAIN (1) W2
0.1
0
14.7
0.1
0.2
0.2
0.1
0.1
0.1
-14.2
5.0
4.3
5.0
5.0
5.0
-6.9
0
0
6.3
5.0
1
0
0
5.0
5.7
12.1
2
CH2
6.3
5.1
5.7
6.3
0
5.0
0
12.1
0
12.1
11.4
0
0
6.9
7.3
6.9
0
2.1
5.1
2.1
5.1
2.1
0.2
2.1
5.1
2.1
5.1
0
2.1
5.1
5.0
5.0
5.0
5.0
↑
↑
↑
AC POWER ON
AC POWER OFF
AC POWER ON
(Connect the power cable)
(Disconnect the power cable)
(Connect the power cable)
J
K
AX-397
14.8
0
14.8
0
0
0
0
0
0
-14.5
0
-14.5
Page 22
B-3
TO MAIN (1) CB1
Page 22
A-4
TO MAIN (3) CB201
Page 22
A-1
TO MAIN (5) CB221
Page 22
A-2
TO MAIN (6) CB226
2
CH1
* 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
21