Yamaha DSP-AZ2 - Schematic Diagram: Main Amplifier Sections

ABCDEFGH I J KL
RX-V3300/DSP-AZ2
79
1
2
3
4
5
6
7
8
9
SCHEMATIC DIAGRAM (MAIN)
x: NOT USED
O:USED / APPLICABLE
★ All voltages 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.
FRONT L POWER AMP
CENTER POWER AMP
FRONT R POWER AMP
REAR R POWER AMP
REAR L POWER AMP
REAR C POWER AMP
MAIN R POWER AMP
MAIN L POWER AMP
to Power Transformer
Page 92
to POWER (1)
A5
Page 80
to POWER (1)
F7 Page 80
to POWER (1)
F4
Page 80
to POWER (1)
F2
Page 80
to POWER (3)
5
8
7
6
3
4
1
2
AC 69.6
AC 90.4
0
0
61.8
(-47.4)
30.0
30.0
25.6
0.3
30.0
30.0
26.0
0.3
26.0
0.1
25.8
0.1
-61.8
(-47.4)
G4
Page 80
to POWER (3)
I1
87654321
OUT1
–Vcc
+IN2
–IN2
OUT2
+Vcc
–IN1
+IN1
IC1: M5220L
Dual OP-Amp.
REAR L
CENTER
1.1
1.1
60.9
0
0
0.5
0
0.5
-61.8
-61.6
-61.1
-61.1
-4.1
-0.5
-1.3
-61.0
-6.5
-60.2
-59.3
1.7
1.7
-1.3
-0.7
61.8
61.8
61.8
0
0
-61.1
-35.1
-35.6
0
-0.7
-10.0
-6.5
-1.3
-1.3
-4.1
-61.8
-60.2
-10.0
-61.8
-61.1
-60.2
-1.3
0
61.8
61.8
1.1
-0.7
1.7
-61.8
-0.7
-61.8
-61.0
-61.5
-4.2
-0.5
-61.0
-61.0
-61.5
0
-1.3
0.5
1.0
0.5
1.7
-60.2
-61.0
-61.0
-9.9
-1.3
61.8
-1.3
-4.2
0
-9.9
-61.0
-61.8
0
60.9
0
0
0
-60.2
-1.3
0
61.8
61.8
1.1
-0.7
1.7
-61.8
-0.7
-61.8
-61.0
-61.5
-4.2
-0.5
-61.0
-61.0
-61.5
0
-1.3
0.5
1.0
0.5
1.7
-60.2
-61.0
-61.0
-9.9
-1.3
61.8
-1.3
-4.2
0
-9.9
-61.0
-61.8
0
60.9
0
0
0
-60.2
-1.3
0
61.8
61.8
1.1
-0.7
1.7
-61.8
-0.7
-61.8
-61.1
-61.5
-4.1
-0.5
-61.1
-61.1
-61.5
0
-1.3
0.5
1.0
0.5
1.7
-60.2
-61.5
-61.0
-9.9
-1.3
61.8
-1.3
-4.1
0
-9.9
-61.5
-61.8
0
60.9
0
0
0
-60.2
-1.3
0
61.8
61.8
1.1
-0.7
1.7
-61.8
-0.7
-61.8
-61.1
-61.5
-4.1
-0.5
-61.1
-61.1
-61.5
0
-1.3
0.5
1.0
0.5
1.7
-60.2
-61.5
-61.0
-9.9
-1.3
61.8
-1.3
-4.1
0
-9.9
-61.5
-61.8
0
60.9
0
0
0
-60.2
-1.3
0
61.8
61.8
1.1
-0.7
1.7
-61.8
-0.7
-61.8
-61.0
-61.5
-4.2
-0.5
-61.0
-61.0
-61.5
0
-1.3
0.5
1.0
0.5
1.7
-60.2
-61.0
-61.0
-9.9
-1.3
61.8
-1.3
-4.2
0
-9.9
-61.0
-61.8
0
60.9
0
0
0
FRONT L (U, A models)
CENTER (U, A models)
FRONT L
MAIN L
REAR L (U, A models)
0
1.1
0.6
0
-0.5
-14.3
-29.5
-30.1
-30.1
-30.3
-30.3
-29.8
-30.1
0
30.3
29.9
-30.3
-23.3
25.0
0.6
0
30.0
0
60.9
60.9
25.0
1.1
-29.5
-25.6
0
-22.7
0
0
1.1
0.6
0
-0.5
-14.1
-29.5
-30.1
-30.1
-36.3
-30.3
-29.8
-30.1
0
30.3
0.6
0
30.0
0
60.9
0
-22.7
1.1
-29.5
0
0.01
VI71670
0.1/100
VI86220
0.1/100
VI86220
0.18/100
V658310
0.18/100
V658310
0.18/100
V658310
24 C114
0.047/250
WA32410
25 C137-140
0.01
VI71670
0.01
VI71670
0.01
VI71670
0.01
VI71670