Yamaha RX-V3800 - AV Receiver, Service Manual

Page: 38 / 99

W3004
W301B
CB303
CB301
CB302
IC312
IC312
IC311
IC308
IC307
IC300
IC300 IC300
IC301
IC301
IC301
IC300
IC306
IC306
IC302
IC304
IC304
IC305
IC305
IC302
IC301
IC311
IC310
IC310
IC313
IC313
IC309
IC309
IC301
IC313
CB300
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-V3800/DSP-AX1800
128
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
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.
FUNCTION 3/4
PRESENCE L
CENTER
FRONT L
SURROUND
BACK L
SURROUND L
CENTER
SURROUND L
SURROUND
BACK L
FRONT L
SUBWOOFER
SUBWOOFER
11.8 11.8 -11.3
-11.3
0 0.1
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
0
0
0
11.8
11.8
0
0.1
0.1
0
0
0
0
-6.1
-6.1
-1.0
0.2
0
0.2
0
0.2
0.2
0
0.2
0
0.2
0
0.2
0 0 0
6.3 0 6.3 4.7
6.5 6.5 -6.1
0
0
0
0
0
0
0
0
0
0
0
0
6.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
6.5
-6.1
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0.1
0
0
-11.3
-13.3
-11.3
11.8
11.8
0.1
0.1
-11.3
0
0
0
0
0
0
0
0
6.5
11.8
7.1
7.1
0
0 0
0
0.1
0.2 0.2
-11.3 11.8
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
0.2
0.2
0.2
0.2
0
0.2
0
0.2
0
0.2
0
0
0
0
0 0
0.2
0 0
0.2
0
0.2
0
0.2
0
0.2
0
0.2
0.2
-11.2 -11.2
-11.2
-11.2
-11.2 -11.2
-11.2
-11.2 -11.2
-11.2 -11.2
-11.2
-11.2 -11.2
-11.2
-11.2
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0.1
0.1
11.8
11.8
11.8
11.8
-11.3
-11.3
-11.3
-11.3
0.1
0.1
0
0
0
0
0
0.1
0
0
0
0
0
0
4.7
0
-1.0
-6.1
0
6.3
0
0
0
0
0
0
6.5
6.5
-6.1
6.5
-6.1
0
0
0
0
-6.1
-6.1
6.5
0
0
0
0
0
-6.5
-6.5
-6.1 -11.3
0
0.1
0.1
0.1
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
IC308 : YAC523-EVR2
Digital volume
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: 30k ohm
7 IN5
17 REF5A
0~95dB
100
0~+31.5dB
CH5, 6, 7 Control
+
–
OPA
SCLK
SDATAO
TE1
DGND
REF
DVSS
AVDD
IN1
IN2
AVSS
1
2
3
4
5
6
7
8
9
10
11
12
SDATAI
CSN
ZCEN2
ZCEN1
OUT1
OUT2
24
23
22
21
20
19
18
17
16
15
14
13
TE2
TE3
REF1A
REF1B
AVSS
AVDD
REF2A
REF2B
IC307 : YAC526-EZE2
2-chnnel 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
IC302, 304-306 : NJM2068MD-TE2
Dual operational amplifier
OUT
1
OUT
2
–IN
1
+IN
1
+IN
2
-IN
2
–V
CC
+V
CC
1
2
3
4
8
7
6
5
+ – + –
IC309-312 : UPC4570G2-E1-A
Dual operational amplifier
+ – + –
1
2
3
4
8
7
6
5
OUT
1
OUT
2
–IN
1
+IN
1
+IN
2
-IN
2
–V
CC
+V
CC
IC301 : NJU7311AM
Analog 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
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
IC300 : NJU7312AM
Analog function switch
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
IC313 : NJU7313AM
Analog 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
FUNCTION (2)
to FUNCTION 4/4
E-VOLUME
E-VOLUME
to FUNCTION 4/4
to FUNCTION 4/4
to FUNCTION 4/4
to FUNCTION 4/4
to FUNCTION 4/4
to POWER (3)_CB20
Page 132 H9
to OPERATION (3)_CB806
Page 130 E3
to MAIN (1)_W273
Page 131 D9
to FL (3)_CB951
Page 141 L7
to FL (3)_CB956
Page 141 M7
to DSP_CB561
Page 125 E1