A
1
2
3
4
5
6
7
8
9
10
K
J
I
H
G
F
E
D
C
B
L
N
M
123
RX-V681/RX-A760
FRONT PRESENCE L
DIGITAL IN
1
2
3
5
6
8
9
10
11
1
2
3
4
6
7
8
9
10
AV2_D
AV1_D
AV4_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
AV3_D
FG
TE391
RED
BLACK
RED
BLCAK
G
C3901
0.01/10
0
C
390
4
0.01/100
C3902
0.01/100
C390
3
0.01/10
0
CB391
XHI
R3728
1K
C3716
0.047/16
R3712
22K
C3702
s307
C
3
7
1
8
2
2
0
/
1
0
IC374
TLP781(D4-GR)
IC37
3
TL431ACLP
R
A
R
K
L3701
1.5UH
R373
0
1K
CB372
R370
6
11
K
CB373
R371
1
1.5
K
R373
1
47
K
R3709
10
R3710
33
0
C3712
s306
D3755
RB162L-40
C3701
s306
5
7
3
T
S
C3704
0.22/275
FG
Q3750
DTC014EUBTL
C3755
100/1
0
R3754
3.3K
R375
6
2K
PR
Y
D3704
RBQ30T65A
D3756
RB162L-40
C3722
no_use
C372
8
470P/100
0
TE371
R-30190(26)3C
R373
5
15K
W3707
SCN-XH
R
3750
10K
C371
0
1000P(B
)
W3703
SCN-XH
R3732
1/2P120
K
R3743
1P2
7
R3713
10
K
C
3756
100/1
0
C3703
s307
C3726
no_us
e
R371
5
22
K
V233070
HS371
1
2
TH371
NTPAD5R1LDNB0
IC372
TLP781(D4-GR)
C
3
7
1
5
3
3
0
0
/
1
6
R
3
7
1
4
2
K
P
R
Y
D3750
1SS355VM
C
3
7
1
4
3
3
0
0
/
1
6
C
3
7
5
2
2
.
2
/
1
0
Q3752
CR542P
C3731
10/10
D370
3
SARS0
5
CB374
VHIS
R
3
7
0
2
1
/
4
P
4
.
7
K
R3740
no_use
C3730
10/10
D3712
1SS355VM
CB371
no_us
e
C3711
s301
R
3
7
0
1
1
/
4
P
4
.
7
K
R3741
no_use
R3742
1P27
WD96080
HS372
C372
7
4.7/1
0
C
375
3
330/1
6
R370
4
1P0.4
7
FI371
s308
1
2
3
4
D
3
7
0
6
1
S
S
3
5
5
V
M
D3714
1SS355VM
C370
8
47/5
0
C
375
1
R3755
220
R3703
1/2P3M
C3724
no_use
C371
7
330P(SL
)
no_use
D3751
RF081M2ST
R
R
3753
10
K
D3713
1SS355VM
C370
5
1000
P
D3715
1SS355VM
D
3
7
5
3
1
S
S
3
5
5
V
M
F3702
s304
D370
5
TFZGTR24
B
C372
5
no_us
e
C3707
0.01/250
D3701
DBL155G
T3701
ST-5209B-2
3
6
8
1
7
9
2
4
5
C
3
7
0
6
s
3
1
5
R
3
7
1
6
6
8
n
o
_
u
s
e
C3809
0.1/16
Q
3
8
0
2
Y
F
P
/
U
-
Y
-
6
4
0
1
A
T
K
R3811
4.7K
IC381
TC74VHCU04FT(EL
5
R3814
18K
R381
0
1K
CB384
PHI
+5AE
+5DSP
C3804
22P(CH
)
PN381
no_use
L381
BLM21PG600SN1D
C3806
0.1/16
C
3
8
0
2
0
.
0
1
(
B
)
+3.3A
0
J3802
R3816
5.6
C3807
1000P(B
)
L382
BLM21PG600SN1D
BD00GA3WEFJ-E2
EN
N.C
N.C
VCC
G
R3802
8.2
K
R3804
82
+5DSP
R3821
33K
PJ381
MSP-252V1-30NI
IC381
TC74VHCU04FT(EL
13
CB382
52418
R3807
680
C3814
0.1/16
C3811
0.1/16
U38
2
VCC
1
G 2
OU
T 3
D3801
1SS355VM
+12V
DGND
R3808
680
R3818
100
R3873
12K
C3819 10/10
C3803
0.1/16
RP170H331B-T1-F
NC
VDD
C3810
0.1/16
+5AE
+5A
7
R3813
18K
0
J3801
JK381
MSJ-035-12APC
R3806
100
CB383
U38
1
VCC
1
G 2
OUT
3
R3801
22K
DGND
C3808
DGND
+7A
R3815
10K
+3.3A
C3805
22P(CH
)
R3812
4.7K
C3818
10/1
0
+5A
14
D3803
1SS355VM
no_use
+7A
C
3
8
1
2
1
0
0
/
1
6
DGND
CB381
53290-1580
R380
3
82
R3805
100
IC381
TC74VHCU04FT(EL
3
R
380
9
5.6K
JK383
MSJ-035-12APC
IC381
TC74VHCU04FT(EL
1
D3802
1SS355V
M
D3804
1SS355VM
no_use
DGND
IC381
TC74VHCU04FT(EL
9
R381
9
1P2.2
JK382
MSJ-035-12APC
IC381
TC74VHCU04FT(EL
11
R3817
100
R
3
7
2
6
s
3
2
1
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
C3754
330/1
6
D3754
RB162L-40
C3733
0.1/50(F)
C3732
0.01(B)
F3701
2.0A250
V
RAL035P01
Q3751
1
2
3
4 5 6
D3716
no_use
D3702
DA2JF2300L
C3713
1000P/250
PN371
T3702
EE1312(SH10223A
R3708
15
R3739
no_use
R3738
no_use
R3737
no_use
+5AE
R3872
8.2
K
R3871
43K
R3820
no_use
J3803
R3770
2.2
R375
2
1/2P0.2
2
D3710
1SS355VM
Q3703
DTC044EUBTL
D
3
7
1
1
1
S
S
3
5
5
V
M
R3723
100
D370
8
1SS355V
M
R372
1
10
0
C371
9
0.01(B)
C3723
0.01(B)
R372
5
47
K
R371
8
100K
D370
7
1SS355V
M
R372
0
1M
R371
9
10
0
Q3701
2SC4081
D
3
7
0
9
1
S
S
3
5
5
V
M
R
3
7
2
4
1
0
0
K
C
3
8
7
1
1
/
2
5
C3872
1/25
C3817 s328
C3820 s32
9
C
3
8
7
3
s
3
2
7
ST371
Q3702
D2704(K)
C3709
3300P/250
D
3757
1SS355VM
D3752
UDZV5.6B
RY37
1
RY371
s322
R3722
2.2K
R372
9
10
K
R3717
s323
C373
4
no_us
e
C3735
C3736
C3721
C
3
7
2
0
EX_LE
L
391-395
E X _ S P
R
O P E ( 8 )
EX_L
3901-3950
EX_RE
EXTRA SP
EX_R
371
380
+3.3M
P
OWER COR
D
5.6V
3701
3800
DGND
TEST
AC_PWR
5.6V
PRY_IN
PRY
GND
CPU_N_RST
5.6V
GND
GND
ACPWR_DET
P R I M A R Y
to DIGITAL
DGND
S E C O N D A R Y
to DIGITAL(1
)
5.6V
WE77420
GND
+7A
WE77420
to MAI
N
+5AE
-5V
+5V
VE
O P E ( 3 )
A C _ D C
to OPE(2
)
AV-3
RM-
DGN
D
B t o B
t o O P E ( 2 )
C O N T R O L O U T
E
TUL
AV-2
+12V
+7A
DGN
D
TUL
DGN
D
381-390
MIC
t o D I G I T A L
E
-12
V
A V - 1
SHIELDED
COVER
B t o B
+5AE
RM+
+3.3A
AUXL
3801-3900
C O N N E C T
TUE
R E M O T E I / O
+12
V
TUE
t o M A I N
+ 1 2 V M A X 1 0 0 m A
+5A
E
AV4_D
A V - 4
E
E
AV3_D
+18V
AV1_D
DGND
-12V
A V - 3
MIC
TUR
RM+
+5A
A V - 2
IN
B t o B
PS2_PRT
AUX
R
DC_TRG
RM-
TUR
E
O P E ( 4 )
AV2_D
AUX
L
AUXR
+5DSP
OUT
WW75170 100/400
C3706
ZE60010 270/220
UC
ABGF
V 6 7 9
YG993
-
TK
V 7 7 9
-
A 7 5 0
YG991
J
BGF
-
YG992
D e s t
RS
P a r t N o
YG991
YG994
A 8 5 0
UC
YG995
YG990
YG992
YG996
ALH
M A I N T R A N S F O R M E R
YG989
MAIN TRANSFORMER
15
PCB MAIN (1)
s32
2
Destination Part List
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+
| sxx | LOCATION | U | C | R | T | A | GF | L |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+
| s301 | C3711 | WY68550 | WY68550 | WQ90220 | WY89650 | WQ90220 | WQ9022 0 | WQ90220 |
| | | 3300P/250 | 3300P/250 | 2200P/250 | 1500P/250 | 2200P/250 | 2200P/2 50 | 2200P/250 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+----------- ------+-----------------+
| s304 | F3702 | WQ21110 | WQ21110 | WQ21110 | VV07180 | VV07180 | VV0718 0 | VV07180 |
| | | 8A125V | 8A125V | 8A125V | T4AL250V | T4AL250V | T4AL25 0V | T4AL250V |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s306 | C3701 | ZP42540 | ZP42540 | ZP42340 | ZP42340 | ZP42340 | ZP4234 0 | ZP42340 |
| | C3712 | 0.047/500 | 0.047/500 | 0.022/630 | 0.022/630 | 0.022/630 | 0.022/630 | 0.022/630 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s307 | C3702 | WQ90230 | WQ90230 | WQ90230 | X | WQ90230 | WQ90230 | WQ90230 |
| | C3703 | 1000P/250 | 1000P/250 | 1000P/250 | | 1000P/250 | 1000P/250 | 1000P/250 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s308 | FI371 | ZJ55310 | ZJ55310 | ZR21580 | ZQ72910 | ZH88020 | ZH88020 | ZH88020 |
| | | 25MH | 25MH | 30MH | 60MH | 50MH | 50MH | 50MH |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s309 | F3701 | ZM61650 | ZM61650 | ZM61650 | ZM61650 | ZM61650 | ZM61650 | ZM61650 |
| | | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V | 2.0A250V |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s315 | C3706 | ZE60010 | ZE60010 | ZE60020 | WW75170 | WW75170 | WW75170 | WW75170 |
| | | 270/220 | 270/220 | 220/400 | 100/400 | 100/400 | 100/400 | 100/400 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s322 | RY371 | WQ80410 | WQ80410 | WQ80410 | ZD04630 | WQ80410 | 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 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s323 | R3717 | RD35410 | RD35410 | RD35410 | RD35322 | RD35410 | RD35410 | RD35410 |
| | | 10 | 10 | 10 | 2.2 | 10 | 10 | 10 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s324 | C3720 | V788780 | V788780 | V788780 | V788780 | V788780 | 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 |
| | C3735 | | | | | | | |
| | C3736 | | | 1/10 | | | | |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s326 | C3721 | WJ33550 | WJ33550 | WJ33550 | WJ33550 | WJ33550 | WJ33550 | WJ33550 |
| | | 2.2/50 | 2.2/50 | 2.2/50 | 2.2/50 | 2.2/50 | 2.2/50 | 2.2/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s327 | C3873 | UU26810 | UU24810 | UU26810 | UU26810 | UU26810 | UU24822 | UU26810 |
| | | 100/50 | 100/25 | 100/50 | 100/50 | 100/50 | 220/25 | 100/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s328 | C3817 | UR36747 | UR36747 | UR36747 | UR36747 | UR36747 | ZD24200 | UR36747 |
| | | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
| s329 | C3820 | ZD24200 | ZD24200 | ZD24200 | ZD24200 | ZD24200 | UR36747 | ZD24200 |
| | | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 | 47/50 |
+--------+---------------+-----------------+-----------------+-----------------+-----------------+-----------------+---------- -------+-----------------+
M S T - 2 0 4 V 5 - 0 1 - 7 6
J S R 1 1 6 5 - D
J S R 1 1 6 5 - D
1
0
0
/
5
0
47/50
47/50
1 0 0 0 P / 2 5 0
1 0 0 0 P / 2 5 0
8 A 1 2 5 V
D L S 5 D 1 - O ( M ) 0 . 2 5
3 0 M H
2
2
0
/
4
0
0
0 . 0 2 2 / 6 3 0
0 . 0 2 2 / 6 3 0
2 2 0 0 P / 2 5 0
D
L
S
5
D
1
-
O
(
M
)
0
.
2
5
1 0
1
/
1
0
4
.
7
K
1 / 1 0
1 / 1 0
n o _ u s e
0
.
1
/
5
0
(
F
)
C 3 7 5 7
3 3 0 P ( S L )
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
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
7.309V
-5.852V
0V
5.801V
UC
TABGFLH
RS
:170V
:300V-340V
:150V-340V
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
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.
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-A760
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.
Summary of Contents for RX-V681
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 ...