SERVICE MANUAL
Q
Q
3
7
6
3
SERVICE MANUAL
1
5
INTEGRATED AMPLIFIER
MODEL A-9377(B)/(S)
1
5
0
8
9
2
4
9
Ref. No. 4140
062009
2
8
9
A-9377
9
TEL 13942296513 QQ 376315150 892498299
Black and Silver models
TEL
13942296513
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
B CPP
S CPP
B CWT
S CWT
230 AC, 50Hz
Q
230 AC, 50Hz
120/220-240V AC, 50/60Hz
120/220-240V AC, 50/60Hz
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
RC-748S
8
9
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
A-9377
EXPLODED VIEW
Q
TEL 13942296513 QQ 376315150 892498299
Sxx
x 2 pcs.<CWT>
Sxx
x 2 pcs.
A32
Q
A39
x 2 pcs.
3
Sxx
x 17 pcs.
U01-3<CWT>
TEL
F202
F203<CWT>
U01-2
7
E02
<CWT>
6
A33
3
Sxx
x 4 pcs.
13942296513
F201
1
A31
(NSP)
(NSP)
A27
Sxx
x 4 pcs.
A24
(T201)
5
A29
x 2 pcs.
A28
A35
1
A50
x 8 pcs.
Q737a
x 4 pcs.
Sxx
x 2 pcs.
Sxx
x 5 pcs.
5
<Note>
Sxx = NSP
Q738
P01a
A34
0
Q737
BD702
Q739
Sxx
x 3 pcs.
Q
Sxx
x 4 pcs.
Q
Sxx
x 2 pcs.
Q740
7
3
Sxx
x 2 pcs.
A20
8
Sxx
Sxx
x 4 pcs.
E01
x 2 pcs.
6
U02-3
A10
A09
U01-1
1
3
U02-5
9
Sxx
x 7 pcs.
U02-1
5
2
Sxx
x 2 pcs.
1
U02-2
A14
0
5
A06
x 3 pcs.
DF-Tape
A38
4
x 6 pcs.
Sxx
8
Sxx
x 2 pcs.
9
U02-4
9
2
A13
8
A36
x 2 pcs.
A40
x 2 pcs.
9
4
A08
Sxx
x 5 pcs.
A07
2
A37
8
DF-Tape
2
9
9
A18
9
A05
9
TEL 13942296513 QQ 376315150 892498299
A02
w
E01
x 4 pcs.
w
w
.
x
i
a
A23
x 2 pcs.
o
A21
x 4 pcs.
A19
x 4 pcs.
y
u
A22
x 3 pcs.
1
Sxx
6
x 4 pcs.
3
.
c
o
A04
Sxx
x 3 pcs.
For SPEAKERS
m
and REC SELECTOR
A03
x 5 pcs.
A01
A41
x 2 pcs.
A-9377
A-9377
A
BLOCK DIAGRAM
Q
1
TEL 13942296513 QQ 376315150 892498299
2
Q
3
7
BCDEFGH
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
3
4
5
T
E
L
1
3
9
4
2
2
9
6
5
1
3
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
A-9377
A
SCHEMATIC DIAGRAM-1
MAIN
Q
1
TEL 13942296513 QQ 376315150 892498299
2
Q
3
7
BCDEFGH
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
0.22/50
3
4
T
E
L
1
3
9
4
2
2
9
6
5
1
3
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
5
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
A-9377
A
SCHEMATIC DIAGRAM-2
POWER
7
Q
Q
1
TEL 13942296513 QQ 376315150 892498299
2
3
6
3
1
5
BCD
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
3
TEL
4
5
13942296513
+7.6V(ST/BY)
ST RLY
P/D
GND
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
A-9377
A
SCHEMATIC DIAGRAM-3
FRONT
Q
1
TEL 13942296513 QQ 376315150 892498299
2
Q
3
7
BCDEFGH
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
0.22/5.5
3
4
T
E
L
1
3
9
4
2
2
9
6
5
1
3
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
5
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
A-9377
A
WIRING VIEW
Q
1
TEL 13942296513 QQ 376315150 892498299
2
Q
3
7
BCDEFGH
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
3
4
CWT Version
T
E
L
1
3
9
4
2
2
9
6
5
1
3
Q
Q
3
7
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
5
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
PACKING PROCEDURE
A-9377
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
Top side
marking
Left side
marking
T
O
P
L
FRONT
P02
<L>
6
TOP
L
3
1
P09
5
1
5
0
P05
P04
8
9
2
P10
P11
x 2 pcs
P17
<CPP>
4
P16
<CPP>
9
8
P18
<CWT>
2
9
9
P12
P13
<CPP>
P14
<CPP>
P15
<CWT>
TEL 13942296513 QQ 376315150 892498299
Front side
TEL
marking
13942296513
Front side
P01
A-9377
Front side
Q
A-93
Q
77
P05
3
P
R
O
7
T
3
6
P
O
T
R
NT
O
FR
Front side
marking
1
1
5
Right side
marking
P06-d
5
0
P02
<R>
A-9377
9
8
Top side
marking
A-9377
2
4
9
8
9
2
A-9377
9
P07
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
P07
P06a-d
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