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U
V
+12V
+12V
11.8V
C33
R49
-0.9V
2.2u50
1K
0V
3
8
R57
1
100
+
+
0V
2
-
R205
IC4
+B
(1/2)
100
11.4V
+
R208
62K
R51
C55
39K
7P
C144
C145
8
10u16
2
D48
10u16
1
-
+
3
+
+
IC5
+
(2/2)
R52
C56
7P
39K
R56
+
39K
LEVEL
AMP
R58
6
0V
6
C34
R50
100
7
-
-
7
2.2u50
1K
5
0V
5
+
+
+
IC5
4
IC4
4
-0.9V
(1/2)
(2/2)
C148
-11.9V
10u16
-12.4V
+
-12V
IC4
A CLASS
AMP
WH4
E5
CN5
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-33V
+34V
+34V
-34V
-34V
+5.6V
+12V
-12V
+B
+10V
34.0V
R209
+34V
+
47K
34.0V
1.1V
R178
6.8K
Q13
3
Q13-16
R87
34.0V
Q35
4.7
1
FINAL TR
0V
1/4W
0.4V
4
2
0V
Q17
R187
+
5
0V
+B
+B
47 1/4W
Q15
1
K3
0V
4
2
0.2V
R89
PHONES
4.7
5
33.5V
ON/OFF
1/4W
-1.1V
3
Q17,18
-34.3V
CURRENT
Q33
DETECTOR
-34V
R95
(
13
)
34.0V
1K
Q32
Q31
0V
+
SP
-34.3V
ON/OFF
R96
(
8
)
1K
-1.1V
Q16
K2
3
R90
33.5V
4.7
5
(
9
)
0V
1/4W
2
R181
47
0.2V
4
+B
1/4W
0V
1
+
Q14
5
2
0V
Q18
4
0.4V
R88
4.7
1
(
10
)
1/4W
34.0V
1.1V
3
+34V
W
X
+34V
+34V
33.0V
R74
R66
2.2K
0.8V
R73
Q5
470
+34V
R65
2.2K
470
Q6
0.8V
33.0V
0.2V
0.2V
33.6V
Q10
33.6V
Q9
1.1V
1.1V
C44
R78
C43
R77
+
1500P
560
+
1500P
560
R80 560
R79 560
-1.1V
C60
-1.1V
C59
47P
47P
Q11
-33.8V
Q12
-33.8V
-0.8V
Q8
Q7
R68
R86
R67
2.2K
R85
470
470
Q5-12
2.2K
-0.3V
-0.3V
PRE
-33.3V
DRIVE
-33.3V
-34V
P1
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
-33V
-34V
+5.6V
+12V
-12V
+B
COOLING FAN
CN4
11.8V
+10V
2
1
+12V
CN6
1
TS1
2
+
WH6
11.8V
T. SW
CN9
Lch
1
IDLE
2
T. P.
+
+
R167
22.8V
15K
J1
0V
R186
SUPER
1K
WOOFER
-12V
PRE OUT
J4
+
0V
0.7V
1
Lch
Q34
-
SPEAKERS
(6-16K Ω )
-
2
Rch
+
CN10
Rch
2
IDLE
1
T. P.
Y
Z
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to
parts list).
indicates safety critical components. For continued protection against risk of fire, replace only with same type
and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
CN2
13
L. NF
12
-L. OUT
11
+L. OUT
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The
10
+R. OUT
measurement value may vary depending on the measuring instruments used or on the product.
9
-R. OUT
8
R. NF
-34V
7
-B
+34V
6
+B
WH4
5
B. GND
4
LEVEL
3
LEVEL G
2
VOL. CLK
1
VOL. DAT
IC1
:
NJU7313AM
Q1-4
IC2,4
:
NJM4565D-D
Q5,6,11,12,17,18
IC3
:
TDA7319
Q7-10,35
IC5
:
NJM4565L-D
Q13,14
Q15,16
D1-16,21,28,35,36,47,48,51
Q31,32,45
:
1SS133 or HSS104
Q33,34,36,39
D22
:
MA111
Q37
D23,44,45,49
:
RD4,7ES(B) or MTZJ4.7(B)
Q38,50,51
D24-27,30-32,37,38
Q40,44
:
S5688B or 1SR139-400
Q41
D29
:
D5SBA20F03 or RBV-602LFA
Q42
D33,34
:
RD16ES(B) or MTZJ16(B)
Q43
D39,42,50
: RD6.2ES(B) or MTZJ6.2(B)
Q46
D40,41
: RD5.1ES(B) or MTZJ5.1(B)
Q47,48
D46
: RD3.9ES(B) or MTZJ3.9(B)
Q49
-33V
+34V
-34V
+5.6V
+B
+B
+12V AVR
C114
47u35
+
R159
Q43
-B
3.3
1/4W
+34V
+B
+B
+
D29
22.6V
Q49
+
~
R162
-
~
+
22K
13.0V
+
Q45
22.3V
-34V
0V
11.2V
0.6V
Q36
R175
Q42
(
33
)
1K
0V
+
(
1
)
(
2
)
Q46
+
+
-33V
-0.6V
R165
-13.0V
300
R154
1K
R160
Q44
2.2
1/4W
-B
-B
5.6V AVR
1/4W
5.4V
13.5V
-12.4V
-12V AVR
Q41
-23.4V
+5.6V
+B
6.0V
+
+
+
+
+
X24C04S
NJM4565L-D
AA
AB
2SC2785
2SD2589
:
2SC2878(B)
:
2SC1845(F,E)
:
2SA992(F,E)
:
TRAITR2N
:
TRAITR2P
:
2SC2458(Y,GR) or 2SC3311A(Q,R)
: 2SC4097(Q,R)
: 2SB1640
:
2SC4116(Y,GR) or 2SC4177(L5,L6)
: 2SA1534(R,S)
: 2SD2525
:
UN4219 or DTC113ZSA
: 2SD2589
:
2SA1048(Y,GR) or 2SA1309A(Q,R)
: 2SA1586(Y,GR) or 2SA1611(M5,M6)
: 2SK246(Y,GR)
to X14-
CN1
NJM4565D-D
2SD1757K
(X09- ) (C/4)
CN3
E1
WH1
D24
(X09- ) (D/4)
1
1
2
2
D25
+B
3
3
D26
4
4
T1A 250V
5
5
D27
CN13
-B
6
6
7
7
8
8
K1
9
9
10
10
11
11
12
12
13
13
D29
ON/OFF
2SK246
SAA6579T
D35
D36
+
D37
-33V AVR
-35.6V
R152
Q40
D38
D30
56
-B
1/4W
-31.6V
R151
680
-32.2V
+
+
LC72131
LA1836
SIGNAL LINE
GND LINE
+B
+B LINE
-B
-B LINE
R-SE9/SE9T (2/3)
R-SE9/SE9T
Y05-3682-71
AC
AD
2SA1534A
2SA992
2SC1845
2SC2878
2SA1048
2SA1586
2SC1740S
2SC2714
2SC2458
2SC4116
UN4219
2SA1309A
2SC3311A
CN11
2
2
F1
AC230V~
1
1
50Hz
CN12
M5223FP
NJU7313AM
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