Yamaha RX-V2500, Руководство по обслуживанию

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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 (FUNCTION 1/2)
73
★
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.
FRONT L
SURROUND BACK L
CENTER
0
0
0
0
0
2.6
2.6
2.6
2.6
2.4
2.6
2.6
5.1
5.1
0
0
0
0.1
5.1
5.0
0
0
0
0
-11.9 11.7
0
0
0
11.7
0
0
0
-11.9 0
0
0
0
0
0
0
0
0
0
0
0
11.7
0
0
0
0
0
0
0
0 0
-11.9
0
-6.1
-6.1
6.2
6.2
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 6.2 6.2 -6.1
0 0 0 5.0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
11.7
0
0
0
0
0
0
0
0
0
0
0
-11.9
-11.9
0
11.7
11.7
0
0
0
0
0
-11.9
0.1
0
-11.9
0.1
0
-11.9
0.1
0.1
0
0
0
0
0
0
0
0
-11.9
-11.9
0.1
0
0.1
0
-11.9
-11.9
0.1
0
0.1
0
-11.9
-11.9
-0.1
0
-0.1
0
-11.9
-11.9
-0.1
0
-0.1
0
-11.9
-11.9
0.1
0
-11.9
0.1
0
-11.9
0.1
0
-11.9
0
0.1
-11.9
0
0.1
-11.9
0
0.1
-11.9
0
0.1
-11.9
0
-0.1
-11.9
0 0 0 0
0
7.5 0.1
0
5.1 0.1 0.1 0 5.1 5.1 5.1
-9.1
EVR2
ZONE2/ZONE3 : U, C, A, B, G models only
S61 S62
S62
S63
S54
S54
S54
S54
S54
S54
J510
S58
J511
S58
S56 S57
S59 S60
Page 74
to FUNCTION (3) – C-F_CNCT – CB533
E2
P
age 74
to FUNCTION (5) – FI-FS_CNCT – CB518
B8
P
age74
to FUNCTION (5) – FI-FS_CNCT – CB519
B8
Page 74
to FUNCTION (3) – C-F_CNCT – CB523
A2
232C CONTR
O
L
P
age 77
to PO
WER (1)_CB40_#6
A4
P
age 80
to CONTR
O
L_CB517_#27
H8
P
age 74
to FUNCTION (4) – F_CNCT – CB543
J5
P
age 74
to FUNCTION (4) – F_CNCT – CB544
J6
P
age 80
to CONTR
OL_CB509
I6
P
age 74
to FUNCTION (4) – F_CNCT – CB551
L6
P
age 77
to PO
WER (6)_CB44_#21
D2
IC505: NJU7311AM
Analog Function Switch
IC358, 532-534:
µ
PC4570G2
Dual OP-Amp
IC530: NJM2068MD-TE2
Dual OP-Amp
IC515, 516: YAC526-EZE2 IC528: YAC520-EE2
Stereo Digital Volume Controller
IC529: YAC523-EVR2
Digital Volume
IC542: ADM202JRN-REEL7
RS-232 Driver/Receiver
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
– +
6
7
8
12 LIN2
9 LOUT
8
VREF
VREF
VREF
256
256
Reset
Vref
Generator
&
Reset
pulse
Generator
2 SDATAO
20
SDATAI
19
CSN
1 SCLK
16 TE
18
ZCEN
S/P
Register
Control
Register
L
Zero Cross
Detection
11 LIN1
4 DVSS
3 DVDD
13 AVSS
6
AVDD
17 ICN
+
–
R
14
RIN2
7
ROUT
15
RIN1
+
–
16
3 IN1
34 OUT1
OUT2
V
olB:
50k
ohm
VolA: 30kohm
45
TE1
44
TE2
39
ZCEN2
38
ZCEN1
2
AVDD
46
DGND
47
REF
1
AVSS
43 SDATAO (OD)
41 SDATAI
42 SCLK
40
20
19
18
CSN
Control
Register
25 REF1B
24
REF1A
0~95dB
100
0~+31.5dB
+
–
OPA
Zero Crossing
Detector
4
IN2
33
V
olB:
50k
ohm
VolA: 30kohm
23 REF2B
22 REF2A
0~95dB
100
0~+31.5dB
+
–
OPA
Zero Crossing
Detector
Zero Crossing
Detector
5
IN3
32 OUT3
OUT4
V
olB:
50k
ohm
VolA: 30kohm
21 REF3B
20 REF3A
0~95dB
100
0~+31.5dB
+
–
OPA
Zero Crossing
Detector
Zero Crossing
Detector
6 IN4
31
V
olB:
50k
ohm
VolA: 30kohm
19
REF4B
18 REF4A
0~95dB
100
0~+31.5dB
CH1, 2, 3, 4 Control
56
+
–
OPA
Zero Crossing
Detector
Zero Crossing
Detector
S/P
Register
OUT5
14
REF6B
V
olB:
50k
ohm
VolA: 30kohm
8 IN6
13 REF7A
0~95dB
100
0~+31.5dB
+
–
OPA
12
REF7B
OUT6
OUT7
V
olB:
50k
ohm
VolA: 30kohm
9 IN7
15 REF6A
0~95dB
100
0~+31.5dB
+
–
OPA
16 REF5B
V
olB:
50k
ohm
VolA: 30kohm
7 IN5
17 REF5A
0~95dB
100
0~+31.5dB
CH5, 6, 7 Control
+
–
OPA
1
3 2
16
C1+
C1–
Vcc
V+
11 14
T1in
T1out
+5V
→
+10V
Voltage Boost
Circuit
4
5
6
C2+
C2–
V–
+10V
→
–10V
Voltage Inverter
T1
10 7 T2in
T2out T2
12 13 R1in
R1out R1
9 8
15
R2in
R2out
GND
R2
L1
L2
L-COM1
L3
L4
L-COM2
L5
L6
L-COM3
L7
L-COM4
ST
V
DD
V
EE
LEVEL SHIFTER
LA
TCH
LA
TCH
CONTROL
LEVEL SHIFTER
R1
R2
R-COM1
R3
R4
R-COM2
R5
R6
R-COM3
R7
R-COM4
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
FUNC (2)
FUNC (1)
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
IN1
OUT1
TE1
TE2
TE3
ZCEN1
ZCEN2
OUT2
24
22
23
5
6
7
14
15
13
16
3
8
4
9
2
1
12
11
10
21
REF1B
REF1A
REF2A
REF2B
IN2
AVDD
DGND
REF
AVSS
DVSS
SDATAO (Open Drain)
SDATAI
SCLK
CSN
Vol B: 10k
Ω
0 ~ -95dB
0 ~ -95dB
0 ~ +31.5dB
16
0 ~ +31.5dB
OP Amp
Zero
Crossing
Detector
Zero
Crossing
Detector
S/P
Register
Control
Register
OP Amp
Vol B: 10k
Ω
Vol A: 15k
Ω
100
Ω
100
Ω
Vol A: 15k
Ω