A
1
2
3
4
5
6
7
8
9
10
N
M
L
K
J
I
H
G
F
E
D
C
B
120
RX-V681/RX-A760
FRONT PRESENCE L
DIGITAL IN
L
R
1
2
3
5
6
8
9
10
11
1
2
3
4
6
7
8
9
10
AV1_D
AV2_D
AV4_D
AV3_D
D
_
4
V
AD
_
4
V
A
D
_
3
V
AD
_
3
V
A
D
_
2
V
AD
_
2
V
A
DC_TRG
D
_
1
V
AD
_
1
V
A
DC_TRG
C3808
C3807
1000P(B
)
JK382
MSJ-035-12APC
C
3
8
0
2
0
.
0
1
(
B
)
JK383
MSJ-035-12APC
IC372
TLP781(D4-GR)
C3721
s326
CB374
VHIS
IC374
TLP781(D4-GR)
L3701
1.5UH
C3713
1000P/630
C3718
220/1
0
C371
9
0.01(B
)
CB373
C3703
s307
C3723
0.01(B)
C
3
7
2
0
s
3
2
4
C
B
3
7
1
V
H
I
S
C3716
0.047/16
C3702
s307
IC37
3
TL431ACLP
R
A
R
K
CB372
TH371
NTPAD5R1LDNB0
F3702
s304
C372
5
no_us
e
C3707
0.01/250
D3701
DBL155G
C3731
10/10
C3730
10/10
JK381
MSJ-035-12APC
DGND
C3806
0.1/16
IC381
TC74VHCU04FT(EL
9
7
C3804
22P(CH)
IC381
13
IC381
TC74VHCU04FT(EL
3
14
PJ381
MSP-252V1-30NI
IC381
1
C3803
0.1/16
L381
BLM21PG600SN1D
DGND
C381
1
0.1/16
GP1FAV51RK0F
U382
VCC
1
G 2
OUT
3
C3809
0.1/16
GP1FAV51RK0F
U381
VCC
1
G 2
OUT
3
DGND
IC381
5
6
C3810
0.1/16
L382
BLM21PG600SN1D
IC381
11
C380
5
22P(CH
)
DGND
+5DSP
+5AE
+5A
+5DSP
V233070
HS371
1
2
WD96080
HS372
C
3
9
0
2
0
.
0
1
/
1
0
0
C
3
9
0
3
0
.
0
1
/
1
0
0
C
3
9
0
1
0
.
0
1
/
1
0
0
C
3
9
0
4
0
.
0
1
/
1
0
0
C370
8
47/5
0
C371
7
330P(SL
)
no_us
e
C370
5
1000
P
D370
5
TFZGTR24
B
+3.3A
CB381
53290-1580
C
3
7
0
6
s
3
1
5
5
7
3
T
S
D3704
RBQ30T65A
CB391
XHI
TE371
R-30190(26)3C
no_use
D3712
1SS355VM
D
3
7
1
1
1
S
S
3
5
5
V
M
D
3
7
0
8
1
S
S
3
5
5
V
M
D
3
7
0
6
1
S
S
3
5
5
V
M
D3714
1SS355VM
D
3
7
0
9
1
S
S
3
5
5
V
M
D3710
1SS355VM
D3713
1SS355VM
D3715
1SS355VM
D370
7
1SS355V
M
D3801
1SS355VM
D3802
1SS355V
M
FG
PHI
D3803
1SS355VM
no_use
D3804
1SS355VM
no_use
C3722
no_use
W3707
SCN-XH
W3703
SCN-XH
C
3
8
1
2
1
0
0
/
1
6
C
3
7
1
5
3
3
0
0
/
1
6
C
3
7
1
4
3
3
0
0
/
1
6
DGND
C3814
0.1/16
C3711
s301
C3724
no_use
C371
0
1000P(B
)
C372
7
4.7/1
0
1
9
3
E
T
3
0
-
2
V
3
1
1
-
P
S
M
FI371
s308
1
2
3
4
R371
8
100
K
R3712
22K
R372
4
100
K
R3723
100
R372
1
10
0
R372
5
47
K
R371
9
10
0
R371
1
1.5
K
R3709
1
0
R3722
2.2K
R372
0
1M
R371
6
68
no_us
e
R3728
1K
R
3
7
2
6
s
3
2
1
R
3
8
1
0
1
K
R3815
10K
R3809
5.6K
R3818
100
R3817
100
R3805
100
R3808
680
R3814
18K
R3812
4.7K
R3807
680
R3803
82
R3806
100
R3804
82
R3811
4.7K
R3813
18K
R373
0
1K
R370
6
11
K
R373
1
47
K
R371
0
33
0
R3735
15K
R371
3
10
K
R371
5
22
K
R371
4
2K
R3801
22K
R3802
8.2K
R3740
no_use
R3741
no_use
R
3
7
0
2
1
/
4
P
4
.
7
K
R
3
7
0
1
1
/
4
P
4
.
7
K
R370
4
1P0.4
7
R3703
1/2P3M
RY371
s322
Q3701
2SC4081
R3816
5.6
R3819
1P2.2
Q3802
Y
F
P
/
U
-
Y
-
6
4
0
1
A
T
K
T3701
ST-5209B-2
3
6
8
1
7
9
2
4
5
Q3703
DTC044EUBTL
C3704
0.22/275
C3755
100/10
R
3
7
5
0
1
0
K
C375
6
100/1
0
D3750
1SS355VM
Q3752
CR542P
C3753
330/16
R3755
220
R3753
10K
D375
3
1SS355VM
D3755
RB162L-40
Q3750
DTC014EUBTL
R3754
3.3K
R3756
2K
C3750
no_use
D3756
RB162L-40
PRY
C3752
2.2/1
0
R3751
no_use
C3751
1000P(B
)
D375
1
RF081M2STR
R3732
1/2P120
K
R3742
1P2
7
R374
3
1P2
7
C3726
no_us
e
D370
3
SARS0
5
C3712
s306
C3701
s306
PR
Y
C372
8
470P/100
0
CB382
52418
C3818
10/1
0
BD00GA3WEFJ-E2
EN
N.C
N.C
VCC
G
RP170H331B-T1-F
NC
VDD
+12V
CB383
+3.3A
0
J3802
+5A
R3821
33K
0
J3801
R3873
12K
C3819 10/10
W3705
SCN-XH
Q
3
8
0
4
R
-
R
G
,
Y
-
S
4
0
5
1
A
T
K
Q3803
KTC3875S-Y,GR-
R
Q3801
KTC3875S-Y,GR-
R
W3704
6P 250MM B&C
C375
4
330/1
6
D3754
RB162L-40
C3732
0.01(B)
C3733
0.1/50(F)
PN381
no_use
PN371
F3701
2.0A250
V
R3708
15
D3716
no_use
RAL035P01
Q3751
1
2
3
4 5 6
D3702
DA2JF2300L
T3702
EE1312(SH10223A
+7A
+7A
+5AE
R3739
no_use
R3738
no_use
R3737
no_use
+5AE
R3872
8.2K
R3871
43K
R3820
no_use
J3803
R3770
2.2
R
375
2
1
/2P0.2
2
C3871
1/25
C3872
1/25
C381
7
s328
C382
0
s329
C3873
s32
7
ST371
Q3702
D2704(K)
C3709
3300P/250
D3757
1SS355V
M
D3752
UDZV5.6B
R
Y
3
7
1
R
3
7
2
9
1
0
K
R3717
s323
C373
4
s32
5
C3735
s325
C3736
s325
IN
RM+
RM-
OUT
R E M O T E I / O
DGND
ACPWR_DET
GND
GND
CPU_N_RST
PRY
5.6V
TEST
3701
3800
POWER COR
D
371
380
+3.3M
5.6V
DGND
AC_PWR
PRY_IN
GND
5.6V
to DIGITA
L
to DIGITAL(1)
+ 1 2 V M A X 1 0 0 m A
C O N T R O L O U T
A V - 2
A V - 1
A V - 3
AV-2
SHIELDED
COVER
A V - 4
AV-3
+5A
E
+5A
AV1_D
AV2_D
DGN
D
AV3_D
DGN
D
AV4_D
+5DSP
DC_TR
G
RM+
RM-
t o D I G I T A L
t o M A I N
O P E ( 4 )
381-390
3801-3900
5.6V
GND
to MAI
N
C O N N E C T
O P E ( 3 )
A C _ D C
EXTRA SP
EX_L
EX_LE
EX_R
EX_RE
391-395
O P E ( 8 )
E X _ S P
3901-3950
+3.3A
+18
V
E
P R I M A R Y
S E C O N D A R Y
DGN
D
DGN
D
+7A
+5AE
-5V
+5V
VE
0
5
8
A
t
s
e
D
ALH
TK
J
RS
UC
M A I N T R A N S F O R M E R
V 7 7 9
BGF
P a r t N o
YG990
V 6 7 9 A 7 5 0
WE77420
WE77420
B t o B
B t o B
to OPE(2)
TUE
+7A
AUXR
AUXR
-12V
TUR
+5AE
-12V
E
MIC
TUL
+12V
MIC
E
TUE
AUXL
B t o B
PS2_PRT
E
TUL
t o O P E ( 2 )
TUR
E
AUXL
+12V
YG995
YG989
-
-
YG991
YG992
YG993
YG991
YG992
YG994
YG996
-
UC
RS
TKABGFLS
C3706
WW75170 100/400
ZE60010 270/220
ZE60020 220/400
MAIN TRANSFORMER
15
PCB MAIN (1)
s32
2
Destination Part List
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+-----------------+
| sxx | LOCATION | U | C | RS | T | A | B | GF | LH |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+-----------------+
| s301 | C3711 | WY68550 | WY68550 | WQ90220 | WY89650 | WQ90220 | WQ902 20 | WQ90220 | WQ90220 |
| | | 3300P/250 | 3300P/250 | 2200P/250 | 1500P/250 | 2200P/250 | 2200P/ 250 | 2200P/250 | 2200P/250 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s304 | F3702 | WQ21110 | WQ21110 | WQ21110 | VV07180 | VV07180 | VV071 80 | VV07180 | VV07180 |
| | | 8A125V | 8A125V | 8A125V | T4AL250V | T4AL250V | T4AL2 50V | T4AL250V | T4AL250V |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s306 | C3701 | ZP42540 | ZP42540 | ZP42340 | ZP42340 | ZP42340 | ZP423 40 | ZP42340 | ZP42340 |
| | C3712 | 0.047/500 | 0.047/500 | 0.022/630 | 0.022/630 | 0.022/630 | 0.022/6 30 | 0.022/630 | 0.022/630 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+-----------------+
| s307 | C3702 | WQ90230 | WQ90230 | WQ90230 | X | WQ90230 | WQ902 30 | WQ90230 | WQ90230 |
| | C3703 | 1000P/250 | 1000P/250 | 1000P/250 | | 1000P/250 | 1000P/ 250 | 1000P/250 | 1000P/250 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s308 | FI371 | ZJ55310 | ZJ55310 | ZR21580 | ZQ72910 | ZH88020 | ZH880 20 | ZH88020 | ZH88020 |
| | | 25MH | 25MH | 30MH | 60MH | 50MH | 50MH | 50MH | 50MH |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s309 | F3701 | ZM61650 | ZM61650 | ZM61650 | ZM61650 | ZM61650 | ZM6165 0 | ZM61650 | ZM61650 |
| | | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A25 0V | 2.0A250V | 2.0A250V |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s315 | C3706 | ZE60010 | ZE60010 | ZE60020 | WW75170 | WW75170 | WW751 70 | WW75170 | WW75170 |
| | | 270/220 | 270/220 | 220/400 | 100/400 | 100/400 | 100/40 0 | 100/400 | 100/400 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s322 | RY371 | WQ80410 | WQ80410 | WQ80410 | ZD04630 | WQ80410 | WQ804 10 | WQ80410 | WQ80410 |
| | | DLS5D1-O(M)0.25 | DLS5D1-O(M)0.25 | DLS5D1-O(M)0.25 | DG5D1-O(M)-II | DLS5D1-O(M)0.25 | DLS5D1-O(M )0.25 | DLS5D1-O(M)0.25 | DLS5D1-O(M)0.25 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s323 | R3717 | RD35410 | RD35410 | RD35410 | RD35322 | RD35410 | RD354 10 | RD35410 | RD35410 |
| | | 10 | 10 | 10 | 2.2 | 10 | 10 | 10 | 10 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s324 | C3720 | V788780 | V788780 | X | V788780 | V788780 | V7887 80 | V788780 | V788780 |
| | | 1/50 | 1/50 | | 1/50 | 1/50 | 1/50 | 1/50 | 1/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s325 | C3734 | X | X | WE77380 | X | X | X | X | X |
| | C3735 | | | 1/10 | | | | | |
| | C3736 | | | | | | | | |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s326 | C3721 | WJ33550 | WJ33550 | X | WJ33550 | WJ33550 | WJ3355 0 | WJ33550 | WJ33550 |
| | | 2.2/50 | 2.2/50 | | 2.2/50 | 2.2/50 | 2.2/5 0 | 2.2/50 | 2.2/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+-----------------+
| s327 | C3873 | UU26810 | UU24810 | UU26810 | UU26810 | UU26810 | UU248 22 | UU24822 | UU26810 |
| | | 100/50 | 100/25 | 100/50 | 100/50 | 100/50 | 220/2 5 | 220/25 | 100/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+-----------------+
| s328 | C3817 | UR36747 | UR36747 | UR36747 | UR36747 | UR36747 | ZD242 00 | ZD24200 | UR36747 |
| | | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/5 0 | 47/50 | 47/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
| s329 | C3820 | ZD24200 | ZD24200 | ZD24200 | ZD24200 | ZD24200 | UR367 47 | UR36747 | ZD24200 |
| | | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+-----------------+
IC372, 374 : TLP781(D4-GR,F)
Photocoupler GaAs IRED & Photo−Transistor
1
2
3
4
1 : Anode
2 : Cathode
3 : Emitter
4 : Collector
IC373: TL431ACLPR
Adjustable precision shunt regulators
Vref
REF
CATHODE
ANODE
IC375: STR-Y6753
Switching regulator
UVLO
Reg/Iconst
OSC
GND
Vcc
D/ST
S/OCP
FB/OLP
BD
Latch
Logic
Startup
DRV
OCP/BS
BD
FB/STB
OLP
3
4
1
2
5
6
IC381: TC74VHCU04FT
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
V
DD
CE
Vref
1
5
2
3
Current Limit
Thermal Shutdown
V
OUT
GND
Pin No.
1
2
3
4
5
Symbol
VOUT
GND
CE
NC
VDD
Description
Output Pin
Ground Pin
Chip Enable Pin
No Connection
Input Pin
IC382: RP170H331B-T1-FE
Voltage regulator
IC383: BD00GA3WEFJ-E2
300 mA variable output LDO regulator
–
+
+
GND
EN
FB
Vo
Vcc
SOFT
START
TSD
OCP
3
5
2
1
8
OPERATION (8)
OPERATION (3)
OPERATION (4)
ZONE2/
F.PRESENCE
L/R
IN
OUT
OPTICAL
OPTICAL
Subtransformer
Power
transformer
COAXIAL
AC IN
SPEAKERS
TRIGGER OUT
REMOTE
AV 4
AV 3
AV 2
AV 1
to POWER TRANSFORMER
5 k-ohms
10 W
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
CAPACITOR
CERAMIC
FILM
SULFIDE
POLYPHENYLENE
CAPACITOR
N O T I C E
U.S.A
G
CANADA
STANDARD
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B
BRITISH
J
SOUTH EUROPE
E
V
TAIWAN
F
RUSSIAN
P
LATIN AMERICA
S
BRAZIL
H
THAI
0V
0V
0V
7.294V
0V
2.070V
-12.065V
0V
12.142V
0V
0V
0V
3.271V
4.967V
4.998V
0.305V
0V
0V
15.20V
0V
0V
0V
0V
4.173V
0V
0.305V
0V
4.998V
4.203V
0V
0V
0V
0V
0V
0V
0V
0V
0V
12.142V
-12.065V
5.594V
5.594V
0V
0V
5.594V
3.296V
0V
2.415V
3.267V
3.294V
dest U-LH
0.350V-3.000V
0V
0V
0V
0V
0V
0V
7.309V
-5.852V
0V
5.801V
UC
TABGFLH
RS
:170V
:300V-340V
:150V-340V
OPERATION 3/3
★
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.
★
Schematic diagram is subject to change without notice.
Safety measures
•
Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves.
•
Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there.
Before starting any repair work, connect a discharging resistor (
5
k-ohms/10 W) to the terminals of each capacitor indicated below to discharge electricity.
The time required for discharging is about 30 seconds per each.
C3706 on OPERATION (3) P.C.B.
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
RX-V681
Summary of Contents for RX-A760
Page 3: ...3 RX V681 RX A760 RX V681 RX A760 FRONT PANELS RX V681 RX A760 ...
Page 5: ...5 RX V681 RX A760 RX V681 RX A760 RX V681 T model RX V681 A model RX V681 B G models ...
Page 6: ...6 RX V681 RX A760 RX V681 RX A760 RX V681 F model RX V681 L model RX V681 H model ...
Page 7: ...7 RX V681 RX A760 RX V681 RX A760 RX V681 V model RX A760 U C models RX A760 R model ...
Page 8: ...8 RX V681 RX A760 RX V681 RX A760 RX A760 T model RX A760 A model RX A760 G F models ...
Page 9: ...9 RX V681 RX A760 RX V681 RX A760 RX A760 L model ...
Page 10: ...10 RX V681 RX A760 RX V681 RX A760 REMOTE CONTROL PANEL RAV537 Remote control sheet T model ...
Page 157: ...158 RX V681 RX A760 MEMO MEMO ...
Page 170: ...AV RECEIVER RX V681 RX A760 ...