K
M
O
L
N
33K
R533
3.3K
R241
3.3K
R201
3.3K
R198
3.3K
R240
10u16
C1
15
+
3.3K
R200
3.3K
R199
47K
R197
33K
R202
1.8K
R203
1.2K
R209
1.2K
R210
47u10
C100
+
100
R207
4.7K
R211
2.2K
R206
1K
R205
47K
R208
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OSCILLATOR
REGULATOR
REFERENCE
AMP
ERROR
27K
R214
2.7K
R216
10K
TH1
1.5K
R217
27K
R215
1000P
C108
1u50
C101
+
680K
R213
6.8K
R234
16K
R235
1000P
C1
10
10K
R223
47u25
C1
12
+
680
R238
6.8K
R239
10u16
+
C111
100u10
C109
+
22K
R218
10K
R221
L+(A)
F1(25A)
L+(B)
L-(B)
L-(A)
R+(B)
R+(A)
R-(B)
R-(A)
BATT
GND
P-CON
10
R227
0.047
C103
10
R228
0.047
C102
0.047
C105
10
R230
0.047
C104
10
R229
10u16
C1
14
+
C1
13
3300u16
+
L2
W403
1.5K
R237
4.7K
R220
10
R232
150
R225
W402
4.7K
R219
R231
10
R224
150
1.5K
R236
L1
10
R204
2200P
C99
1/2W
Q50,51
Q56,57
+B
+B
+B
+B
+B
+B
+B
B
+B
(F52-0014-05)
B
+B
B
+B
+B
+B
+B
+B
+B
B
+B
+B
+B
+B
+B
+B
+B
D29
D30
D42
Q53
Q47
Q46
D34
D37
D35
D36
Q49
Q48
D40
D33
Q52
J1
SP OUT
D41
D44
D39
Q51
Q57
D38
Q50
D43
Q56
D31
D32
P. CON.
DETECTION
POWER
SWITCH
MUTE
ON/OFF
MUTE
DRIVER
SWITCHING
STAGE
POWER
OVER-CURRENT
PROTECTION
OVER-VOLTAGE
PROTECTION
SWITCHING
DRIVER
SWITCHING
REGULATOR
IC1,2
: NJM2060M
IC3,4
: NJM4565MD
IC5
: UPC494GS
Q1-4,13-17,58-61 : 2SC945(A)(Q,P)
Q5-12,47,49,56,57 : 2SA733(A)(Q,P)
Q18-21
: 2SC4137(V,W)
Q22,25,26,29,46,48,52,
53
: 2SC2412K
Q23,24,27,28
: 2SA1037K
Q30,33,34,37,54
: 2SC1627A
Q31,32,35,36,55
: 2SA817A
Q38,41,42,45
: 2SC4511
∗
B
Q39,40,43,44
: 2SA1725
∗
B
Q50,51
: FKV550T
∗
B
D1-8,10,12,15-28,30,
33,35,36,38-40,43,44,
49-58,60
: 1SS133
D9,11,42
: RD16JS(B)
D13,14
: RD8. 2JS(B)
D29
: RD7. 5JS(B)
D31
: FMU22S
∗
A
D32
: FMU22R
∗
A
D34
: B30-1460-05
D37
: RD10JS(B)
D41
: 1N5406-M
D45-48
: RD5. 1JS(B)
GND LINE
SIGNAL LINE
B LINE
B LINE
E1
IC5
KAC-649S (EKM)
0.5V
0.1V
3.8V
2.5V
0V
3.8V
14.3V
5.0V
14.3V
14.3V
0V
5.0V
5.0V
KAC-649S
2SA733(A)
2SA817A
2SC1627A
2SC945(A)
2SC2412K
2SC4137
2SA1725
✽
B
2SC4511
✽
B
2SA1037K
NJM4565MD
UPC494GS
NJM2060M
