Yamaha RX-A4A - 3;3

A
1
2
3
4
5
6
7
8
9
10
NMLKJIHGFEDCB
94
RX-A4A
DIGITAL IN
P
P
P
P
P
P
AUDIO3 AUDIO2 AUDIO1
AV2
AV1
AUDIO3
AUDIO2
AUDIO1
AV1 AV2
L6603
BLM21PG600SN1D
R6607
8 2
R6606
100
R6604
4.7K
DGND
TP6615
R6603
8 2
R6601
1/2P2.2
L6601
BLM21PG600SN1D
R6605
680
JSR2165
U6601
VCC
1
G
2
OUT
3
R6614
8 2
JSR2165
U6602
VCC
1
G
2
OUT
3
R6602
8 2
JSR2165
U6603
VCC
1
G
2
OUT
3
R6608
18K
L6602
BLM21PG600SN1D
TP6606
R6609
no_use
R6611
no_use
R6613
no_use
R6612
no_use
0
J6602 J6601
no_use
J6604
no_use
0
J6603
C6609
1/25
C6606
1/25
C6615
0.1/16
C6607
0.1/16
C6610
0.1/16
C6608
0.1/16
C6611
0.1/16
C6614
no_use
C6612
22P/50
C6613
no_use
C6605
100/35
IC662
12 34
IC662
TC74HCU04AFT
5 96 8
V -
7
V +1 4
IC662
1 11 0
IC662
TC74HCU04AFT
1 31 2
PJ661
MSP-251V-05NI
+V
8
C6713
100/35
R6711
100
JK672
NC3FAAH1-Y-D
1
2
3
W6701
SAN-PH_180MM
2
3
4
5
6
7
R6713
100
R6703
560
C6710
0.1/16
C6712
100/35
V -
4
C6702
100P/50
R6716
1 0
-12BAV
C6711
0.1/16
R6704
560
+12V
C6706
470P/50
R6706
100K
R6705
100K
IC672
NJM8080RB1(TE1)5
6
7
R6712
100
JK671
NC3FAAH1-Y-D
1
2
3
IC671
NJM8080RB1(TE1)
5
6
7
R6717
1 0
R6709
100
R6710
100
C6705
470P/50
R6719
1/2P2.2
R6708
100K
V -
4
R6714
1 0
C6704
470P/50
C6707
100P/50
C6708
0.1/16
-12V
+12BAV
IC672
NJM8080RB1(TE1)
3
2
1
C6703
470P/50
IC671
NJM8080RB1(TE1)
3
2
1
C6709
0.1/16
+V
8
R6715
1 0
R6707
100K
R6718
1/2P2.2
R6702
560
C6701
100P/50
CHASSIS
R6701
560
C6818
1000P/100
IC681
NE5532DR
5
6
7
R6806
2.2K
R6816
10K
0
J6801
V +
8
R6807
2.2K
Q6805
D2704(K)
Q6801
D2704(K)
C6806
no_use
C6820
1000P/100
IC682
NE5532DR
3
2
1
IC681
NE5532DR
3
2
1
R6831
10K
R6834
1/2P10.0
C6825
0.01/100
C6824
no_use
0
J6805
C6805
no_use
R6808
2.2K
R6823
330
C6822
no_use
JK681
NC3MAAH
1
4
2
3
J6804
no_use
0
J6802
C6827
no_use
R6817
330
C6803
no_use
R6813
10K
R6804
220K
R6824
330
R6811
100K
C6812
no_use
R6837
2.2
C6804
no_use
R6836
1/2P10.0
R6814
10K
Q6804
D2704(K)
IC682
NE5532DR
5
6
7
C6817
1000P/100
R6819
330
R6802
no_use
C6811
no_use
0
J6806
Q6808
D2704(K)
C6819
1000P/100
R6803
220K
R6825
4 7
C6815
47/16
C6814
47/16
R6822
330
R6832
4 7
PN681
WS48830
AGND
Q6806
D2704(K)
R6838
2.2
V -
4
CHASSIS
R6835
1/2P10.0
C6828
no_use
C6809
no_use
R6805
2.2K
R6812
100K
R6826
10K
Q6802
D2704(K)
R6815
10K
C6826
0.01/100
C6802
100/35
JK682
NC3MAAH
1
4
2
3
J6803
no_use
R6821
330
C6823
no_use
C6810
no_use
R6829
4 7
V +
8
R6809
100K
C6816
47/16
C6808
10/16
+12AMP
R6820
330
R6801
no_use
V -
4
C6807
10/16
R6818
330
R6833
1/2P10.0
R6827
10K
Q6807
D2704(K)
Q6803
D2704(K)
R6830
10K
C6813
47/16
R6810
100K
-12AMP
C6801
100/3
5
C6821
no_use
R6828
4 7
IC661
RP130K331D-TR
VDD
CE/CE
VOUT
GND
G
W6801
2P 70MM SCN-XH
PJ662
no_use
R6610
0
C6604
1000P/50
C6602
1000P/50
C6603
1000P/50
CB681
PHI
2
3
4
5
PN661
WS48830
W6601
VDU7010
FUNC(3)
to DIGITAL(1)
*:6601-6700
**:661-670
AUDIO3
AV2
+3.3V
DGND
AV2
Pc:(5-3.3)*20=44mW
(0.15*0.3=50mW)
AUDIO1
DGND
AV1
AUDIO2
Digital Audio
+5DSP
AUDIO3AUDIO1
AUDIO2
DGND
AV1
*R6610
A1500:0ohm
A3500up:4.7kohm
[COAXIAL]
RX-A1500
(V879570)
RX-A3500
(V942070)
(ZA56880)
RX-A4500
(ZA56880)
CX-A5x00
(ZA56880)
Max:5.66Vrms
BAL_L+
AUDIO4XLR_R+
Max:5.66Vrms
Lch
BAL_L-
to FUNC(1)
+12V
AGND_AE
B a l a nce I n p u t
( A u dio 4 )
AUDIO4XLR_L+
BAL_R+
BAL_R-
*:6701-6800
**:671-680
Rch
AUDIO4XLR_L-
FUNC(4)
AUDIO4XLR_R-
-12V
from FUNC(1)
PRE_E
typ:2Vrms
+12AMP
F R
XLR Out
*:6801-6900
**:681-690
MT_XLR
FUNC(5)
typ:2Vrms
-12AMP
PRE_FR/SW2
F L
XLR Out
PRE_FL/SW1
Balance
Output
(E)
no_use
no_use
no_use
PRE_E
IC662: TC74HCU04AFT
Hex inverters
VCC
6A
5A
4A
6Y
5Y
4Y
GND
3Y
3A
2A
1A
2Y
1Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
DD
CE
Vref
14
23
Current Limit
V
OUT
GND
Pin No.
1
2
3
4
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable ("H" Active)
Input Pin
IC661: RP130K331D-TR
Voltage regulator
FUNCTION (3)
AUDIO 2
OPTICAL
AUDIO 3
COAXIAL
AUDIO 1
OPTICAL
REMARKS
CAPACITOR
PARTS NAME
NO
NO
MARK
MARK
ELECTROLYTIC CAPAC I T O R
CERAMIC CAPACI T O R
POLYESTER FILM CA P A CIT O R
POLYSTYRENE FILM C A P A C I TOR
MICA CAPACITOR
POLYPROPYLENE F I L M CAPACITOR
SEMICONDUCTIVE CERAMI C CAPACITOR
P
SOLID ELECTROLYTIC CAPAC ITOR
TUBULAR CAPACITORCERAMIC
NOTICE
U.S.A
G
CANADA
EUROPEAN 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 AMERIC A
S BRAZIL
H THAI
RESISTOR
REMARKS
NO MARK
PARTS NAME
CARBON
CARBON
METAL
METAL
METAL
FIRE
CEMENT
SEMI
FILM RESIS TOR
FILM RESIS TOR
OXIDE FILM RESISTOR
FILM RE SISTOR
PLATE RESISTOR
PROOF CARBON FILM RESISTO R
MOLDED RESI STOR
VARIABLE R E S I STOR
(P=5)
(P=10)
CHIP RESIST O R
Page 86 L5
to DIGITAL
CB134
5.0082V
+: +4.987V -: 0V
+12.22V
-12.13V
12.22V
-12.13V
-11.65/2.366V
(Mute_OFF/ON)
0.00V
0.00V
0.000V
0.00V
+12.30V +12.32V
-12.21V -12.19V
+: 0V -: -12.21V
+: +12.27V -: 0V
12.23V
-12.14V
0.00V
0.00V
0.00V
0.00V
0.00V
No replacement
part available.
サービス部品供給なし
FUNCTION 3/3
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
★ All voltages are measured with a 10 MΩ/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 10 MΩ 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。