Yamaha RX-A3080 - 4;4

A
1
2
3
4
5
6
7
8
9
10
KJIHGFEDCB
L
NM
143
RX-A3080/RX-V3085
P
P
P
P
P
P
C7762
100/16
+12V
C7759
0.1/16
C7758
0.1/16
C7761
0.1/16
C7760
0.1/16
-12V
C7763
100/16
R7769
1/2P2.2
R7768
1/2P2.2
+12BAV
R7766
1 0
R7764
1 0
R7765
1 0
R7767
1 0
C7757
100P(SL)
JK777
NC3FAAH1-Y-D
1
2
3
JK776
NC3FAAH1-Y-D
1
2
3
C7751
100P(SL)
C7752
100P(SL)
R7763
100
R7761
100
R7759
100
R7762
100
R7760
100
C7753
470P(SL)
C7755
470P(SL)
C7754
470P(SL)
C7756
470P(SL)
R7756
100K
R7757
100K
R7758
100K
R7755
100K
R7752
560
R7753
560
R7751
560
R7754
560
+7V
-7V
R7901
no_use
R7902
no_use
C7902
no_use
C7901
no_use
C7908
no_use
C7909
no_use
R7904
no_use
C7904
no_use
R7903
no_use
C7903
no_use
C7905
no_use
R7905
no_use
R7906
no_use
C7906
no_use
AGND
JK782
NC3MAAH
1
4
2
3
CHASSIS
CHASSIS
BAL_RE
0
J7817
R7847
2.2
C7828
1000P/100
C7827
1000P/100
Q7815
D2704(K)
Q7816
D2704(K)
R7836
10K
R7837
10K
R7819
100K
R7820
100K
R7824
10K
Q7811
D2704(K)
R7823
10K
Q7812
D2704(K)
C7812
100/16
C7811
100/16
C7813
no_use
C7814
no_use
IC781
NE5532DR
3
2
1
IC781
NE5532DR
5
6
7
V -
4
V +
8
C7819
no_use
R7815
2.2K
R7817
2.2K
C7820
no_use
R7813
220K
+12AMP
-12AMP
R7812
no_use
R7811
no_use
@value
J7812
@value
J7811
C7817
10/16
@value
J7813
R7841
10K
R7825
10K
V +
8
@value
J7814
IC782
NE5532DR
5
6
7
C7816
no_use
V -
4
R7814
220K
Q7817
D2704(K)
R7840
10K
C7815
no_use
C7822
no_use
Q7818
D2704(K)
IC782
NE5532DR
3
2
1
R7821
100K
C7830
1000P/100
C7818
10/16
Q7814
D2704(K)
R7818
2.2K
C7821
no_use
Q7813
D2704(K)
R7822
100K
C7829
1000P/100
R7826
10K
R7816
2.2K
BAL_LE
R7848
2.2
C7833
0.01/100
0
J7818
C7831
0.01/100
CHASSIS
JK783
NC3MAAH
1
4
2
3
-12BAV
J7815
no_use
J7816
no_use
J7901
no_use
+7V
-7V
C7910
no_use
C7907
no_use
CB791
no_use
1
2
3
4
5
6
7
8
9
1 0
1 1
PN782
WS48830
PRE_E
J7904
no_use
C7911
no_use
J7905
no_use
C7826
47/16
C7825
47/16
C7823
47/16
C7824
47/16
R7907
no_use
R7908
no_use
R7910
no_use
R7909
no_use
R7911
no_use
R7913
no_use
C7832
no_use
C7834
no_use
C7835
no_use
C7836
no_use
C7837
no_use
C7838
no_use
CB782
PHI
2
3
4
R7827
330
R7828
330
R7829
330
R7830
330
R7833
330
R7832
330
R7831
330
R7834
330
R7842
4 7
R7838
4 7
R7835
4 7
R7839
4 7
R7844
1/2P10.0
R7843
1/2P10.0
R7845
1/2P10.0
R7846
1/2P10.0
R7912
no_use
IC777
NJM8080RB1(TE1)3
2
1
IC777
NJM8080RB1(TE1)
5
6
7
IC776
NJM8080RB1(TE1)
5
6
7
IC776
NJM8080RB1(TE1)
3
2
1
+V
8
+V
8
V -
4
V -
4
W7751
SAN-PH_180MM
2
3
4
5
6
7
IC791
no_use
5
6
7
IC791
no_use
3
2
1
-
4
+
8
W7812
2P 70MM SCN-XH
PJ791
no_use
1
2
3
4
5
6
7
8
9
1 0
1 1
BAL_R+
Rch
BAL_L+
Max:5.66Vrms
BAL_L-
FUNC(6)
Max:5.66Vrms
BAL_R-
Lch
to FUNC(1)
AUDIO4_R+
A E
AUDIO4_L-
+12V
-12V
AUDIO4_L+
AUDIO4_R-
Balance Input
(Audio4)
SBL
Multi ch
Input
Cen
S W
SBR
S L
S R
MULT_SW
MULT_C
AGND
AGND
AGND
F R
XLR Out
F L
XLR Out
+12AMP
-12AMP
MT_XLR
PRE_E
PRE_FR/SW2
PRE_FL/SW1
typ:2Vrms
typ:2Vrms
R,C,W:7751-7800
other:776-780
R,C,Q,J,W:7811-7850
other:782-783
Balance
Output
FUNC(7)
R,C,J:7901-7920
other:791-792
Multi ch
Input
FUNC(8)
from FUNC(1)
to FUNC(1)
+7V
-7V
MULT_SR
MULT_SL
MULT_SBR
MULT_SBL
IC776, 777: NJM8080G
Dual audio operational amplifier
-
INPUT
+INPUT
V
+
V
-
OUTPUT
1
2
3
4
8
7
6
5
1OUT
1IN–
1IN+
V
CC–
V
CC+
2OUT
2IN–
2IN+
OUT
V
CC–
V
CC+
36 pF
37 pF
14 pF
7 pF
15
460
15
IN+
IN
IC781, 782: NE5532DR
Dual low-noise operational amplifiers
FUNCTION (6)
FUNCTION (7)
RESISTOR
REMARKS
NO MARK
PARTS NAME
CARBON
CARBON
METAL
METAL
METAL
FIRE
CEMENT
SEMI
FILM RESISTOR
FILM RESISTOR
OXIDE FILM RESISTOR
FILM RESISTOR
PLATE RESISTOR
PROOF CARBON FILM RESISTOR
MOLDED RESISTOR
VARIABLE RESISTOR
(P=5)
(P=10)
CHIP RESISTOR
REMARKS
CAPACITOR
PARTS NAME
NO
NO
MARK
MARK
ELECTROLYTIC CAPACITOR
CERAMIC CAPACITOR
POLYESTER FILM CAPACITOR
POLYSTYRENE FILM CAPACITOR
MICA CAPACITOR
POLYPROPYLENE FILM CAPACITOR
SEMICONDUCTIVE CERAMIC CAPACITOR
P
TANTALUM CAPACITOR
TUBULAR
S
CAPACITORCERAMIC
FILMSULFIDEPOLYPHENYLENE
CAPACITOR
NOTICE
U.S.A
G
CANADA
STANDARD
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B BRITISH
J
SOUTH EUROPEE
V TAIWAN
F RUSSIAN
P LATIN AMERICA
S BRAZIL
H THAI
AUDIO4
R
L
Page 140 B8
to FUNCTION (1)_CB710
Page 140 L7
to FUNCTION (1)_CB711
Page 140 L3
to OPERATION (5)_W7010
0V +11.95V
11.97V11.95V
-11.94V
-11.97V-11.94V
0V
0.00V
0.00V
0.00V
0.00V
0.00V
-11.87V
11.97V
11.92V
-11.82V
-11.65 (Mute_OFF)/2.366V (Mute_/ON)
0.00V
0.00V
0.000V
FUNCTION 4/4
★ All voltages are measured with a 10M Ω /V DC electronic voltmeter.
★ Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Circuit diagram is subject to change without notice.
● 電圧は、内部抵抗 10M Ωの電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
Details of colored lines
Red / full line: Power supply (+)
Red /dashed line: Power supply (-)
Orange: Signal detect
Yellow: Clock
Green: Protection detect
Brown: Reset signal
Blue: Panel key input