Specifications

A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450
SCHEMATIC DIAGRAM (POWER)
83
★ All voltages are measured with a 10MΩ/V DC electronic 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.
★ 電圧は、内部抵抗10MΩの電圧計で測定したものです。
★
s 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。
IC301: LM61CIZ
Temperature Sensor
Vout
+Vs
GND
IC302: NJM7812FA
Voltage Regulator
INPUT
OUTPUT
COMMON
IC303: NJM79M12FA
IC305: NJM79M05FA
Voltage Regulator
COMMON
OUTPUT
INPUT
IC304, 306: NJM7805FA
Voltage Regulator
INPUT
OUTPUT
COMMON
FRONT L
CENTER
SURROUND L
53.5
53.5
53.5
53.5
53.5
53.5
53.5
53.5
54.6
54.6
54.6
54.6
54.0
54.0
54.0
54.0
0
0
0
0
0
00
0
0
0
-0.6
-0.6
-0.6
-0.6
-0.6-0.6
-0.6
-0.6
1.1
1.0
5.0
5.0
4.9
11.8 11.2 11.2
19.1
11.2
-0.1
-0.1
-20.0
-11.9
AC30.4
AC18.3
-11.7
-11.9
-20.0
-4.9
19.1
0
0
00
0
0
0
0
1.1
1.1
1.1
53.5
53.5
54.6
54.0
0
0
-0.6-0.6
1.1
53.5
53.5
54.6
54.0
0
0
-0.6-0.6
1.1
POWER AMP.
HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 78
to FUNCTION (1)
L5
Page 82
to MAIN (1)
to Power
Transformer
F7
Page 84
to SUBTRANS
G2
Page 82
to MAIN (1)
A5 Page 82
to MAIN (1)
A5 Page 82
to MAIN (1)
A1
to Power Transformer
RX-V550: Page 76 L5
HTR-5750, RX-V450, HTR-5740, DSP-AX450: Page 78
to FUNCTION (1)
L6
RX-V550: Page 76
L6
[R, L models only]
RX-550/HTR-5750
U, C, T, K R L A, B, G, E
(WC83940) (WC83950) (WD07280) (WC83960)
s1 SW291 X WB49370 WD07370 X
s2 CB291 X V937780 V937780 X
s3 CB292 X V937790 V937790 X
s4 CB293, 294 X WC05070 WC05070 X
s5 W291 X V941190 V941190 X
s6 F3 X T4AL250V T4AL250V X
KB00079 KB00079
s7 C360 6800/25 6800/25 6800/25 6800/25
RX-V450/HTR-5740/DSP-AX450
J, U, C, T, K R L A, B, G, E
(WC83970) (WC83980) (WD07290) (WC83990)
s1 SW291 X WB49370 WD07370 X
s2 CB291 X V937780 V937780 X
s3 CB292 X V937790 V937790 X
s4 CB293, 294 X VP20650 VP20650 X
s5 W291 X V941190 V941190 X
s6 F3 X T4AL250V T4AL250V X
KB00079 KB00079
s7 C360 4700/25 4700/25 4700/25 4700/25
x: NOT USED
O: USED / APPLICABLE