A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
L
M
N
7
8
9
10
91
RX-V757/DSP-AX757/DSP-AX757SE
RX-V657/HTR-5860
■
SCHEMATIC DIAGRAM (POWER)
REGULATOR
POWER SUPPLY
L
SL
C
SBL
55.6
56.2
0
0
-0.6
1.1
-55.1
55.1
-0.6
0
55.6
56.2
0.1
0.1
-0.6
1.1
-55.1
55.1
-0.6
0
55.6
56.2
0
-0.6
1.1
-55.1
55.1
-0.6
0
55.6
56.2
0
-0.6
1.1
-1.0
-0.5
1.1
55.1
55.1
-0.6
0
56.2
0.6
56.2
56.0
0.1
0.1
0.1
0.6
0
0.1
0
-56.2
-0.5
-0.5
-1.0
-49.7
-49.7
-50.3
-0.6
0
55.1
1.1
55.1
55.6
-0.6
0
56.2
-49.2
-56.2
-1.0
55.6
56.2
0
-0.6
1.1
-55.1
55.1
-0.6
0
55.6
56.2
0
-0.6
1.1
-55.1
55.1
-0.6
0.1
56.2
0.4
0.9
0.1
0.9
4.9
0
12.1
19.2
-12.1
-20.1
0
4.9
10.1
0
0
3.3 10.1
19.2
-20.1
0
-0.1
10.1
-11.2
0
-0.1
0
AC 17.5
AC 31.1
s8
TO POWER TRANSFORMER
Page 90 F-7
TO MAIN (1) W8
Page 94 F-9
TO CONVERSION (1) CB706
Page 90 D-10
TO MAIN (1) W12
POWER (2)
POWER (1)
Page 90 A-5
TO MAIN (1) CB6
Page 90 A-4
TO MAIN (1) CB5
Page 90 A-1
TO MAIN (1) W15
P
age 87 I-2
T
O
FUNCTION (1) CB307
P
age 87 I-2
T
O
FUNCTION (1) CB308
P
age 87 I-3
T
O
FUNCTION (1)
W301
* 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.
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
*
Z
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
IC306 : NJM2388F33
Rgulator
IC301 : LM61CIZ
Temperature Sensor
Vout
+Vs
GND
1
4
3
V
OUT
V
IN
C
ONT
GND
2
Over Current
Protection
Over Voltage
Protection
Bandgap
Reference
ON/OFF
control
Thermal
Protection