Yamaha DSP-AX1600, Руководство по обслуживанию

Страница: 102 / 151

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-V1600/DSP-AX1600
SCHEMATIC DIAGRAM (FUNCTION 2/2)
102
★
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.
2
3
4
5
6
7
8
9
10
11
12
14
30
1 15
16
17
19
20
21
22
23
24
25
26
27
28
29
Le
v
e
l Shifter
Latch Circuit Le
v
e
l Shifter
Latch Circuit
Control Circuit
R1
R2
R-COM1
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
VDD
VEE
IC601, 603 : NJU7311AM
Analog function switch
2
3
10
11
12
14
30
1 15
16
17
19
20
21
28
29
Le
v
e
l Shifter
Latch Circuit Le
v
e
l Shifter
Latch Circuit
Control Circuit
R1
R2
R7
R8
R-COM3
DATA
CK
Vss
L1
L2
L7
L8
L-COM3
ST
VDD
VEE
IC602 : NJU7312AM
Analog function switch
6
7
L4
L5 24
25 R4
R5
26
27 R3
R-COM1
4
5
L3
L-COM1
8
9
L6
L-COM2 22
23 R6
R-COM2
2
3
10
11
12
14
30
1 15
16
17
19
20
21
28
29
Le
v
e
l Shifter
Latch Circuit Le
v
e
l Shifter
Latch Circuit
Control Circuit
R1
R2
R7
R8
R-COM3
DATA
CK
Vss
L1
L2
L7
L8
L-COM3
ST
VDD
VEE
IC604 : NJU7313AM
Analog function switch
7
8
L5
L6 23
24 R5
R6
27 R3 4 L3
9 L-COM2 22 R-COM2
5
6
L4
L-COM1 25
26 R4
R-COM1
IC605~609, 613 : NJM2068MD-TE2
Dual OP-Amp
– +
OUT
1
–IN 1
–V
CC
+V
CC
OUT 2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
IC610 : YAC526-EZE2
2ch high grade digital volume LSI
IN1
REF1A
OUT1
OUT2
0 ~ -95dB
0 ~ -95dB
0 ~ +31.5dB
0 ~ +31.5dB
REF2A
IN2
Zero
Crossing
Detector
Zero
Crossing
Detector
Control
Register
S/P
Register
16
TE3
ZCEN1
ZCEN2
SDATAO(OpenDrain)
SDATAI
SCLK
CSN
AVSS
DGND
REF
AVDD
REF1B
REF2B
OPAmp
TE2
TE1
Vol A:
15 k-ohms
Vol A:
15 k-ohms
Vol B:
10 k-ohms
Vol B:
10 k-ohms
OPAmp
DVSS
100 ohms
100 ohms
3 IN1
34
OUT1
OUT2
V
o
lB:
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
IC611 : YAC523-EVR2
Digital Volume
25 REF1B
24 REF1A
0~95dB
100
0~+31.5dB
+
–
OPA
Zero Crossing
Detector
4 IN2
33
V o
lB:
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
o
lB:
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
o
lB:
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
o
lB:
50k
ohm
VolA: 30kohm
8
IN6
13 REF7A
0~95dB
100
0~+31.5dB
+
–
OPA
12
REF7B
OUT6
OUT7
V
o lB:
50k
ohm
VolA: 30kohm
9 IN7
15 REF6A
0~95dB
100
0~+31.5dB
+
–
OPA
16 REF5B
V
o
lB:
50k
ohm
VolA: 30kohm
7 IN5
17 REF5A
0~95dB
100
0~+31.5dB
CH5, 6, 7 Control
+
–
OPA
IC612, 614, 615, 616 :
µ
PC4570G2
Dual OP-Amp
– +
OUT 1
–IN 1
–V CC
+V CC
OUT 2
1
2
3
4 5
+IN 1 –IN 2
+IN 2
– +
6
7
8
ANALOG IN
FRONT L
SURROUND L
CENTER
SURROUND
BACK L
PRESENCE L
SUB WOOFER L
FRONT L
SURROUND L
CENTER
SUB
WOOFER L
SURROUND
BACK L
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 0
0 0
0
0
0
0
12.0
-11.8
0
0
0
0
11.9
-11.8
0
0
0
0
11.9
-12.0
0
0
0.7
0
0
0.7
0
0
0.7
0
0
0.7
0
0
-12.0
0
0
-12.0
0
0
0.7
0
0
0.7
0
0
0.7
0
0
0
0
0
0
0
-11.8
12.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6.1
6.1
4.9
0
0
-0.9
-6.0
6.1
-6.0
-6.0
6.1
0
0
0
0
0
6.1
-6.0
0
0
6.1
-6.0
0
0
0
-6.0
-6.0
-0.9
0 0 0 6.1 6.1 -6.0
6.1 0 6.1 4.9
6.1
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
6.1
-6.0
0
0
0
0
0
6.1
0
0
0
0
0 0
0
0
0
11.7
11.9
0
-6.6
-6.6
-6.0
6.1
6.8
6.8
0
0
0
0
0 0
0
0
0
0
0
0
0
0
0 0
0
0
-11.8
-11.8
-11.8
-11.8
12.0
12.0
12.0
0
-12.0
0
0
-12.0
0
0
-12.0
0
0
-12.0
0
0
-12.0
0
0
0.7
0
0
0.7
0
0
-12.0
0
0
0
0
-12.0
-12.0
-11.8
12.0
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
11.9
11.9
11.9
11.9
11.9
-11.7
-11.7
-11.7
-11.7
-11.7
-11.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Page 100
to DSP_W503
E2 Page 105
to POWER (5)_W6
G8
P
age 101
to FUNCTION (1)_CB316
J7
P
age 106
to INPUT (1)_W302
F3
P
age 106
to INPUT (1)_W301
B2
P
age 106
to INPUT (1)_W303
D7
P
age 100
to DSP_CB22
D2
P
age 105
to PO
WER (1)_CB40
A4
P
age 106
to INPUT (2) _W305
I5
P
age 106
to INPUT (2) _W307
F8
P
age 105
to PO
WER (4)
_CB44
E3
P
age 106
to INPUT (3)_CB332
L7
P
age 103
to OPERA
TION (3)
_CB905
F7
FUNCTION (2)
EVOL
EVOL
MIX
L/R
100/35
100/35
100/35
100/35
100/35
100/35