Yamaha RX-397, Руководство по обслуживанию

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A B C D E F G H
1
2
3
4
5
6
I J K
7
8
RX-397
31
* 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.
■
SCHEMATIC DIAGRAM (MAIN)
0
0
0
0
0
0 0
0 0
0
0.1
0.9
5.9
5.9
3.6
3.6
3.9
3.8
3.8
3.4
4.1
3.3
25.5 25.5 25.5
25.5
14.5
15.1
15.1
15.1
-15.1
-15.1
-14.6
-28.4
32.2
32.2
44.9
(32.8)
-44.9
(-32.8)
-32.5
32.1
32.1
25.5
25.5
0.6
0.7 0.7
-1.0
-1.0
-1.0
-0.5
-0.5
-0.4
44.8
44.8
44.6
0.5
0.5
0
0
0
0
0
0
1.1
1.1
0
-44.4
-44.2
-44.9
-44.9
-43.6
-43.6
-43.6
-43.6
-44.4
-44.2
-44.9
-44.9
0
0.1
0
0.6
-1.1
-1.1
-0.4
1.0
1.0
0.5
0.5
0
0
0
0
0
0
0
44.8
44.8
4.7
4.8
4.8
4.6
4.3
4.6
0
0
0
0
0
0
0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~ ~
~
~
~
~
~
0
~
~
10.1
0.1
0.1
0.1 10.1
10.1 1.1
1.0
0
44.8
44.6
44.7
-1.1
-0.5
-0.5
AC4.2
AC5.6
AC65.3
AC48.0
2
CH1
2
CH2
TO OPERATION (1) W801
Page 30 D-8
TO FUNCTION (2) CB605
TO POWER TRANSFORMER
Page 29 E-3
T
O
MAIN (2) CB257
P
age 31 K-5
TO MAIN (4) W291
TO POWER TRANSFORMER
or
Page 31 G-5
TO POWER TRANSFORMER
T
O
PO
WER
TRANSFORMER
TO POWER CABLE TO OPERATION (12) CB282
Page 30 G-5
T
O
OPERA
TION (2)
W404
P
age 30 E-2
SPEAKERS
Vout
+Vs
GND
IC102 : LM61CIZ
Temperature Sensor
Point
w
CH 1 : (+) of C252
CH 2 : Collector of Q251
↑
AC POWER ON
(Connect the power cable)
↑
AC POWER OFF
(Disconnect the power cable)
↑
AC POWER ON
(Connect the power cable)
IC252 : TC4013BP
Dual D Flip Flop
1
2
3
4
5
6
7
1Q
1CP
1CL
1PR
1DATA
1Q
VSS
14
13
12
11
10
9
8
VDD
2Q
2CP
2CL
2PR
2DATA
Q
CP
CL
Q
D
PR
2Q
Q
CP
CL
Q
D
PR