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A
1
R102
1K
LINE
INPUT
C105
100P
R107
1M
2
IC101
-
+
+
0V
CROSSOVER
CROSSOVER
FILTER SW
R104
60Hz
100
ON
OFF
SW101
200Hz
3
R143 330K
R130
1K
C121
+
0.022
R124
D101
R123
R140
68
10K
150K
14.9V
IC102
-
4
+
(BOTTOM VIEW)
+
-
0V
1.4V
R127
1M
6.5V
IC101
:
TL074
Q101-103,702
5
IC102
:
NJM4558D
IC502
:
UPC1298V
Q503
IC701
:
UPC1237HA
Q504
IC901
: TA7815S
Q505
IC902
:
TA79015S
Q701
Q901
6
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.
7
B
C
C107
4.7u50
+
+
R108
100K
C129
0.1
+
R109
R110
5.6K
8.2K
-
+
+
+
14.9V
-
0V
-
-0.7V
+
0V
0V
R112
OPT
+
C113
C111
C110
C117
RB101
CN101
4.7u50
0.056
0.056
0.056
+
6
6
5
5
C119
R116
0.02
4
4
4.7K
VOLUME
C118
47u16
+
R120
33
3
3
Q103
0.3V
0.7V
R137
2
2
+
22K
1
1
0V
0.3V
R132
LD101
+
10K
STANDBY
R133
LED
3.3K
0V
Q101
2.0V
R134
15.0V
0.9V
2.2K
R131
2.2K
R135
Q102
10K
1.1V
R126
220K
15.0V
IC901
D101-103,701
: 1N4148
3 OUT IN
D702,901-904,906
:
IN4001
GND
:
2SC945
+
D905
:
IN4002
:
2SC3421(Y)
2
ZD101
:
RD8.2ES(B)
:
2SC5200(R)
BD901
:
KBU60D
:
2SA1943(R)
:
2SA733
-15.0V
: 2SC2001
IC902
3
OUT
GND
1
SIGNAL LINE
+
The DC voltage is an actual reading measured with a high
impedance type voltmeter. The measurement value may
vary depending on the measuring instruments used or on
the product.
D
E
Q504,505
Q701,702
C507
FINAL TR.
LIMIT
15P
R520
Q504
10
46.3V
0V
R712
1/2W
Q702
C512
4.7K
100P
0V
0V
0.6V
+
6
3
14
4
2
1
+
12
-0.6V
IC502
0V
5
11
46.3V
10
9
C513
8
R521
R708
13
7
10
100P
0V
1/2W
47K
Q701
Q505
-46.3V
0.6V
R706 22K
+
+
Q503
RELAY
-1.3V
DRIVE
IC701
ADJ
OVER LOAD
VCC ON
IDLE
DET.
MUTE
OFFSET
AC OFF
VOL.DET.
DET.
AUTO RECOVERY
LATCH SW
0V
1.7V
0V
0V
0V
+
R907
220 1W
BD901
+
RL901
+
P501
46.3V
F902
Q901
250V T 1A
0V
D901
D904
1
22.8V
+
D902
D903
0V
F903
250V T 1A
+
IN 2
-23.8V
0V
2SA733
2SA2001
2SC945
Digitized in Heiloo, Holland
F
G
(Y) TYPE
46.3
R524
4.7 1/2W
RL501
0V
CN501
RB501
2
1
1
1
2
2
+
4
3
3
3
SP-WOOFER
D702
+
R702
R701
56K
12K
+
3.5V
(K,P) TYPE
CN901
T901
NJM4558D
UPC1237HA
2SC3421
H
I
7/9/2014
J
POWER SW
ON
OFF
SW901
2
1
CN903
F901
CN902
C902
250V T 1.6A
0.01
2
1
F904
CN904
250V T 1.6A
3
2
C901
0.01
1
(Y)
: AC110-120V/220-240V
POWER SW
ON
OFF
SW901
2
1
CN903
F901
CN902
C902
250V T 3A
0.01
2
C901
0.01
1
(K,P)
: AC120V 60Hz
SW-32HT(K)
UPC1298V
TA7815S
TA79015S
SW-32HT
Y19-4440-10
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