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K
Q109,110
TEMPERATURE
COMPENSATOR
Q24
PROTECTION SW
(for OVER CURRENT)
Q111-114
DRIVE CLASS-B STAGE
Q115-118
FINAL CLASS-B STAGE
Q27-30
OVER CURRENT DETECTOR &
LIMMITER
IC8
SWITCHING
REGULATOR
CONTROL
R33
Q9
22
Q9-12
SWITCHING
DRIVER
Q11
Q12
Q13-16
SWITCHING
POWER STAGE
Q10
R34
22
Q211
∗
R283
Q215
4.7
∗
R61
IDOL
Q33
CURRENT
1 2
∗
R63
Q35
R285
4.7
∗
Q217
Q213
Q214
∗
R286
Q218
4.7
∗
Q34
R64
∗
Q36
R62
R284
4.7
∗
Q216
Q212
L
∗
∗
A
R21 10K
C29 1u50
R19 100K
Q24
R47 47K
C28
10u16
+
9
10
11
C44 22u35
C2 33u35
R29 10K
C1 10u16
D7
Q2
R3 3.3K
R2 3.3K
R71 47K
Q21,22
R72 47K
DC OFFSET
DETECTOR
R73 47K
D32
R74
Q22
Q21
TP2
47K
R191
C191
10 1/2W
0.047
R192
C192
10 1/2W
0.047
R291
C291
10 1/2W
0.047
R292
C292
10 1/2W
0.047
Q211-214
DRIVE CLASS-B STAGE
Q215-218
FINAL CLASS-B STAGE
KAC-849 (J,E,K,M)
M
D13
R25 680
R23 30K
C7
1u50
+
R20
+
680K
TH1
D11
IC8
OSCILLATOR
REFERENCE
REGULLATOR
D10
C3 47u35
+
D40
MAIN
AMPLIFIER
D39
POWER SW
R30
D9
Q5
56
R13
22K
+
R12
Q4
5.6K
+
Q4,5
R11
33K
MUTE SW
DRIVER
D5
+
D6
C46 10u35
+
R7
Q1
5.1K
D3
D4
P.CON SW
(X09- )(B/2)
∗
CN1
WH1
1
2
1
2
1
2
∗
B
J3
BATT
P-CON
GND
L+ (A)
L- (A)
R- (A)
R+ (A)
L+ (B)
L- (B)
R- (B)
R+ (B)
E2
N
2SA733(A)
2SA817A
2SA992
2SC1627A
2SC1845
R24 680
2SC3940A
R22 30K
2SC945(A)
R18
TH2 75K
2SB1565
2SD2396
2SC2412K
Q7
R27
1K
2SA1037K
Q2
OVER
Q3
VOLTAGE
DETECTOR
Q3
POWER
SW
IC1-5,7
: NJM2058M
IC6
: NJM4565M
NJM4565M
IC8
: UPC494GS
Q1,2,5
: 2SC2412K
Q3,113,114,213,214
: 2SA817A
Q4
: 2SA1037K
Q6,9,10,25,26,31,32
: 2SC945 (A) (Q,P)
Q7
: 2SC3940A (R,S)
Q11,12,21,22,101-104,
201-204 : 2SA733 (A) (Q,P)
∗
Q13-16
: FKV550T
B
Q17
: 2SD2396
UPC494GS
Q18
: 2SB1565
Q24,111,112,211,212
: 2SC1627A
Q27,28,33,34,105-108,
205-208 : 2SC1845 (F,E)
Q29,30,35,36
: 2SA992 (F,E)
Q109,110,209,210
: 2SC4137 (V,W)
Q115,116,215,216
∗
:
Q117,118,217,218
NJM2058M
∗
:
D1
: 1S5406-M
D2
: RD7.5JS (B)
D3,18,19
: RD16JS (B)
D4,5,8-12,14,15,20-40,101-104,
201-204 : 1SS133
D6
: RD5.1JS (B)
D7
: RD10JS (B)
∗
D13
:
∗
D16
: FML22S
A
∗
D17
: FML22R
A
D42,43
: MA3056WA
SIGNAL LINE
GND LINE
B LINE
B LINE
KAC-849
O
2SC4137
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