Yamaha RX-V2500, Service Manual

Page: 78 / 119

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V2500/DSP-AX2500
SCHEMATIC DIAGRAM (INPUT 1/2)
78
★
All voltages are measured with a 10M
Ω
/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.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0
0
0
0
0
0
0
0
0
0.8
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-5.6
0
6.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11.8
0
0
0
-11.8
0
0
0
11.7
0
0
0
-11.8
0
0
0
11.8
0
0
0
-11.8
-11.8
0
0
-11.8
-11.8
0
0
0
0
0
0
0
0
0
0
11.7
11.7
11.7
-11.8
0
0
0
0
11.7
0
0
0
11.7
-11.8
0
0
0
0
0
11.7
0
0
0
-11.8
0
0
0
11.7
0
0
0
-11.8
0
0
0
11.7
0
0
0
-11.8
0
0
0
ANALOG IN
FRONT L
FRONT L
CENTER
SURROUND BACK L
3
2
1
8
6
5
7
4
3
2
1
8
6
5
7
7
3
2
1
8
6
5
7
4
1
8
3
2
1
8
6
5
7
7
2
1
8
6
5
7
4
3
2
1
8
6
5
7
4
IC301, 304: NJU7312AM
Analog Function Switch
IC302: NJU7313AM
Analog Function Switch
IC303: NJU7311AM
Analog Function Switch
IC306 - 309, 311, 312, 314: NJM2068MD-TE2
Dual OP-Amp
IC310: BD3841FS
Function Switch
2
3
4
5
6
7
8
9
10
11
12
13
28
1 14
15
16
17
18
19
20
21
22
23
24
25
26
27
LEVEL SHIFTER
LA
TCH
LEVEL SHIFTER
LA
TCH
CONTROL
R1
R2
R3
R4
R-COM1
R5
R6
R-COM2
R7
R8
R-COM3
DATA
CK
Vss
L1
L2
L3
L4
L-COM1
L5
L6
L-COM2
L7
L8
L-COM3
ST
V
DD
V
EE
2
3
4
5
6
7
8
9
10
11
12
13
28
1 14
15
16
17
18
19
20
21
22
23
24
25
26
27
LEVEL SHIFTER
LA
TCH
LEVEL SHIFTER
LA
TCH
CONTROL
R1
R2
R-COM
R3
R4
R-COM2
R5
R6
R-COM3
R7
R-COM4
DATA
CK
Vss
L1
L2
L-COM1
L3
L4
L-COM2
L5
L6
L-COM3
L7
L-COM4
ST
V
DD
V
EE
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
F-SW1
F-SW1: INPUT FUNCTION 1
F-SW2: INPUT FUNCTION 2
*
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
DGND
F-SW2
CL DA VEE BIAS VCC RECA1 RECA2 RECB1 RECB2 RECC1 RECC2 OUT1 OUT2 INI1 INI2
INA1 INA2 INB1 INB2 INC1 INC2 IND1 IND2 INE1 INE2
INF1 INF2
ING1 ING2 INH1 INH2
LOGIC
+ – + – + – + –
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 30
29
28
27
26
25
24
23
22
21
20
19
18
17
16 V
EE
L1
L2
L3
L-COM1
L4
L5
L6
L-COM2
L7
L8
L-COM3
NC
ST
V
SS
V
DD
R1
R2
R3
R-COM1
R4
R5
R6
R-COM2
R7
R8
R-COM3
NC
DATA
CK
L1
L2
L3
L-COM1
L4
L5
L6
L-COM2
L7
L8
L-COM3
ST
V
DD
V
EE
LEVEL SHIFTER
LA
TCH
LA
TCH
CONTROL
LEVEL SHIFTER
R1
R2
R3
R-COM1
R4
R5
R6
R-COM2
R7
R8
R-COM3
DATA
CK
V
SS
2
3
4
5
6
7
8
9
10
11
12
13
28
1
27
26
25
24
23
22
21
20
19
18
17
16
15
14
O : USED / APPLICABLE
X : NOT USED
P
age 74
to FUNCTION (4) – F_CNCT – CB548
K5
Page 72
to DSP_CB506
D1 Page 74
to FUNCTION(3) – C-F_CNCT – CB530
D2 Page 74
to FUNCTION(3) – C-F_CNCT – CB531
D3
Page 74
to FUNCTION(5) – FI-FS_CNCT – CB522
B8 Page 74
to FUNCTION(5) – FI-FS_CNCT – CB521
B9
Page 80
to CONTROL_CB515
H8