Yamaha RXV-420 Receiver - Schematic.pdf

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SCHEMATIC DIAGRAM (INPUT)
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
1
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
24.1
1P82
24.7
24.7
0
-24.7
-24.2
31.6
2SC1815
2SC2878
2SC1740S
DTA144ES
2SA1708
2SC4488
1SS133
1SS176
HZS11B2TD
MTZJ5.6B
S1VB20
NJM7805FA
NJM7812FA
NJM79M12FA
Anode
32.2
0
0
–
-32.0
Cathode
-23.6
AC
48.9
~ ~
-32.9
E C B
3: OUT
1P82
3: IN
E C B
E C B
+
1: OUT
1: COM
2: COM
2: IN
AC
32.2
M5220L
LA7956
µ
PC4570HA
LC72722
LC78212
LC78211
LC78213
20.8
Point 1 Pin 12 of IC445
0
0
11.9
20.7
12.0
20.7
5.1
10.6
15
15
0
0
0
9
-21.4
8
9
12
2
24
30
30
1
1
1
1
1
1
5.1
AC
10.0
11.2
0
-11.9 -21.3
0
4.9
E-56/J-52
I2
E-56/J-52
C6
3
CENTER
5.0
0
0
0
4.8
-11.9
0
0
0
2.1
2.0
-11.7
-11.9 0
0
-11.9 0
0
-11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.9
-11.9
-11.9
4
0
MAIN L
23.7
0
0
0
0 0
0
0
0
0
INPUT SELECTOR
0
0
0
0
0
0
0
0
0
-11.9
-11.9
-11.9
-11.9
-11.9
-11.9
-11.9
-11.9
-11.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
REAR L
23.7
5.0
5.0
5.0
0
4.8
4.8
4.8
0
0
0
-11.9
R583
470
-11.9
x: NOT USED
O: USED / APPLICABLE
0
0
-11.7
0
5
12.0
0
0
0 0
0
0
0
-24.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
0
0
0
0
4.8
0
0
0
0
-11.9
0
0
0
0.1
0.1
0.1
0
00
00
0
0
0
0
0
0
0
-24.2
0
0
0
0
-12.0
6
11.9
C369
10/25
6.1
6.1
6.1
6.7
5.4
7.2
0
0
12.0
0
12.0
0
12.0
0
0
0
0
7
-12.0
0
0
0
0
0
0
0
0
0
-12.0
-12.0
4.7
4.7
1
4.7
11.8
0 000
1.7
11.8
5.7
-11.9 -11.7
0
0
3.5
0
1.8
5.7
0
2.9
2.1
4.3
2.1
0
0
0
0
2.1
0
0 -11.9
2.0
-11.9
-11.9
0.01/16
2200P/16
0.01/16
8
All voltage are measured with a 10M /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.
E-56/J-52
G3
E-57J-53
F1
E-56/J-52
A4
9
E-55/J-51
 
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RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
SCHEMATIC DIAGRAM (OPERATION)
1
MAIN L
FL DISPLAY
11.8
0
4.8
4.8
~
4.8
~
4.8
4.8
~
4.8
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-29.2
~
~
-29.2
~
~
-29.2
~
-29.2
~
-29.2
FL DRIVER
-29.5
~
~
~
~
~
~
~
~
~
~
-29.5
0
0
0
2
CENTER
-11.7
11.8
0
0
0
3.3/50
0
0
3.3/50
0
-11.7
11.8
3
0
0
0
3.3/50
18K
2
18K
0
0
0
3.3/50
-11.7
4.8
4.8
0
0.6
0.6
4.8
0
11.9
0
4.8
MAIN µ–COM
0
5.2
0
0
0
4.8
0
-48.3
0
&5
1
-49.2
-1.1
4.8
4.8
-48.3
4
4.8
0
4.8
4.8
2.9
2.5
-48.9
12.7
B
5.6
-50.4
0
0
4.8
5.2
-49.2
-49.8
0
0.6
0
0
0
0
0
-49.8
-49.8
0.6
12.7
A
0
-49.3
0.6
12.7
-49.3
0
0
4.8
5.6
12.0
0
0
0
-48.3
-49.2
0
7.3
6.6
0
-1.1
0.047F/5.5
5.2
-48.3
-48.9
MAIN L
5
0.5
0
2.7
4.8
-50.9
4.8
-50.9
0.5
0
0.3
0.6
4.8
4.8
33P/500
0
0
0
-48.3
0.6
0
0
REAR L
-49.2
-1.1
-48.3
CENTER
-48.9
MAIN L
HZS182
VM97600
MTZJ18C
VG44150
HZS182
VM97600
MTZJ18C
VG44150
HZS182
VM97600
MTZJ18C
VG44150
12.0
HZS182
VM97600
MTZJ18C
VG44150
HZS222
VM97620
MTZJ22D
VG44230
HZS222
VM97620
MTZJ22D
VG44230
HZS222
VM97620
MTZJ22D
VG44230
12.0
0
0
0
-0.1
-0.1
6
0
0.6
3.3/50
0.6
33P/500
0
0
-48.3
-49.2
-1.1
-48.3
-48.9
x: NOT USED
O: USED / APPLICABLE
-11.9
0.1
0.1
0
0
0
0
3.3/50
-11.9
13.4
13.9
39.1
0.6
D664, 665
901, 902,905-908, 910, 912
0.6
0
-48.3
0
7
-49.2
D661
HZS182
MTZJ18C
0
-1.1
D662
HZS222
MTZJ22D
-48.3
IC902
UPD78F4218AGF-3BA
UPD78F4216A
Point 2 emitter of Q910
and collector of Q911
Point 1 Pin 38 of IC902
-48.9
Q910 E
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
8
2SA893A
2SC1890A
2SC2229
2SA933S
2SD1991A
DTC144ES
2SB1565 2SC4488
1SS133
HZS5B2TD
HZS5C2TD
HZS6B2TD
HZS7A2TD
HZS7B2TD
HZS12C2TD
HZS222TD
NJM78L05A-T3
PC4570C
NJM2068L-D
LB1641
LC75725E
Q911 C
48
33
All voltage are measured with a 10M /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.
49
32
Anode
8
4
8
10
3: OUT
1
64
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
E C B
17
2: GND
1: IN
1
1
E C B
E C B
B C E
Cathode
1
16
9
E-56/J-52
0
0
µ
 
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SCHEMATIC DIAGRAM (DSP)
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
From INPUT (1)
E-55/J-51
D8
1
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
µ
2SC3326
DTA144EK
1SS355
RB501V-40
PC29M33T-E1
PQ025EZ5MZP
M5220FP
NJM2904M
TC74HC00AF
TC74HCU04AF
TC74VHCT08AF
MSM514260C-60JS
AK4527VQ
33
23
C
Anode
34
44
22
E
20
B
8
4
7
REGULATOR
3: IN
14
12
1
2: COM
1
1 11
Cathode
1: OUT
5
1
40
2.5
4.5
1
3.4
4.5
0
2.5 4.4 4.5
3.4 3.4
4.5
2
2.5
0
MAIN L
0
0
0
0
0
4.5
0
1.3
1.2
1.4
1.4
-20.2
1.2
1.3
1.4
1.3
0
2.5
1.3
1.2
1.2
0
2.5
0.3
0
3
4.5
0
2.4
2.4
1.4
1.4
-20.2
0
0
14
7
2.4
0
1.3
1.3
0
3.4
0
0
3.4
13
12
DSP/DOLBY/DTS
3.4
0
4.5
2.1
2.1
0
3.4
3.4
3.1
1.7
1.1
~
~
~
4.5
~
~
~
~
~
~
~
0
0
0
0
0
4.5
4.5
0
3.8
0
3.4
0.7
~
0
0
0
5.0
-20.2
4
3.4
4.5
0
3.8
1.7
0
~
0.2
1
2
3
0.2
0.1
0.1
1.7
1.7
1.7
4.8
4.8
4
5
0
0
6
0
3.8
0
0
0
0
0
D/A CONVERTER
3.8
3.8
1
2.5
0
2.5
5
5.0
5.0
2.5
2.5
21.3
5.0
5.0
21.3
8
6
7
2.5
8
2
CENTER
2.5
5
1
0
0
0
1.7
1.7
0.7
~
0
~
0
0
2.5
2.5
3
2.5 2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
1.0
3.4
2.5
2.5
5
3
7
2.5
1
2.5
6
0
2.5
4
0
2
DIGITAL IN
2.5
2.5
0
2.5
4
-22.3
2.5
2.5
-22.3
4.5
6
14
0
MAIN L
5
6 9
8
0
0
3 4 1 2
2.4
2.9 2.9 0.3
0
0
4.5
0
21.3
0
REAR L
0.1
0.1
3
2
7
8
1
0
0.7
CODEC
6
5
0.1
0.1
7
4
1.2
0
-20.2
-22.3
21.3
0.1
5
6
8
7
Point 1 Pin 1 of IC801
0.1
7
0
0
0
0.1
0
0
-20.2
-20.2
0
0
0
-20.2
-20.2
-20.2
0
0
2
3 4
0.1
0.1
1
0
0.1
-22.3
21.3
3
2
8
0.1
0.1
1
0.7
8
All voltage are measured with a 10M /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.
6
5
0.1
0.1
7
4
0.1
-22.3
9
E-57/J-53
 
A
B
C
D
E
F
G
H
I
J
K
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RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
SCHEMATIC DIAGRAM (MAIN)
1
50.4
50.3
50.4
0
1.1
50.4
1.1
0.5
0.5
50.1
0
0
-0.4
0
-1.1
2
0
-0.5
-0.5
0
-1.1
0
-50.4
0
-50.4
0.2
MAIN L POWER AMP
0
50.4
0.2
3
50.4
1.1
0.5
0.5
0.2
50.1
1.1
0
0
0
-0.4
0
-1.1
0
-0.5
-0.5
26.7
13.6
0.5
0
-1.1
-50.4
0
0.5
MAIN L
-50.4
MAIN R POWER AMP
0.7
4
0
POWER RELAY
50.4
-29.3
-32.6
1.1
50.4
12.8
12.8
0.5
-30.0
0.5
50.1
1.1
6.1
0
0
6.1
0
AC
12.8
-0.4
0
0.8 0
0
0
-1.1
5
0
0
-0.5
-0.5
0
-1.1
-50.4
-50.4
0
REAR L
REAR L POWER AMP
50.4
(37.8)
-50.5
(-37.8)
0
50.4
50.4
1.1
0.5
50.1
0.5
1.1
0
6
0
-0.4
0
0.2
0.2
0.2
-1.1
0
0
0
0
x: NOT USED
O: USED / APPLICABLE
0
AC
74.0
AC
55.5
-0.5
-0.5
-1.1
0
-50.4
PIN CONNECTION DIAGRAM OF
TRANSISTORS, DIODES AND ICS.
-50.4
REAR R POWER AMP
27.1
14.0
1.2
2SA970
2SA1015
2SC1890
2SC1890A
2SC2240
2SA1708
2SC4488
7
50.4
E C B
E C B
27.1
14.0
1.2
1.1
50.4
2SC1740S
1SS133
1SS270A
1T2
HZS5B2TD
HZS12B2TD
HZS302TD
0.5
0.5
50.1
0.7
1.1
0
0
0
Anode
-0.4
35.2
35.2
0
E C B
-48.9 0
0
-1.1
0
2SD2396
Cathode
0
0
-0.5
S1VB20
-0.5
-1.1
0
8
-50.4
CENTER
-50.4
B C E
–
CENTER POWER AMP
2SA1695
2SC4468
~ ~
VOLTAGE SELECTOR
+
240V 1-2/5-6
220V 2-3/6-7
110V 3-4/7-8
120V 4-5/8-1
S5VB20
All voltage are measured with a 10M /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.
–
~ ~
+
B C E
~
9
E-58/J-54
 
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3
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1
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A
B
C
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3
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