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CIRCUIT DIAGRAM - AMP BOARD
TO MAIN PB
TO SMPS PB
SUB-ON/OFF-CTL
DCOFFSET-CTL
RIN
CON1
-12V
AMP-ON
1
DIC-CLK
2
+40V
+12V
3
4
LIN
GND
RIN
5
6
AGND
-40V
LIN
+
+
OSC
R87
0R
+12V
FB1K8
220
FB1K8
L341
L342
R205
Z2
C229
5V6
10p
GND
R99
10R
100MHZ 80R
L5
R86
10R
L8
100MHZ 80R
R91
+40V
10R
L13
100MHZ 80R
+
+
+
+
C198
C58
C199
C233
R7
470UF/50V
470UF/50V
470UF/50V
3300UF/50V
30K
LIN
+
+
+
+
C197
C26
C232
C59
470UF/50V
470UF/50V
470UF/50V
R8
30K
3300UF/50V
L15
100MHZ 80R
R85
10R
-40V
L16
100MHZ 80R
R90
10R
L18
100MHZ 80R
R108
10R
RIN
DCOFFSET-CTL
3
2
3
Q21
1
BC847
DCOFFSET
2
Q20
1
+
BC847
9-1
Noise
R183
1K5
GND
R95
1K5
R208
4K7
C242
10P
2
-
1
R181
3
+
R209
R94
C238
6K8
4
U8-A
1K5
24K
Frequency Response
153
D4558
-12V
C237
R211
683
C241
NC
R98
100N
82K
C155
330
GND
Y2
700KHZ
+
47K
3
74CTO4
U7
R81
2
Q8
BC847
1
1M
R79
R78
R84
R77
C83
1N
6.8K
1K
1K
C86
33PF
R76
10K
R74
Q7
47K
BC857
47K
R33
VDDA3
2
VDDP3
3
R32 4K7
AMP-ON
1K
R29
2
+
VDDA1
Q6
1
VDDP1
+
BC847
VDDA2
VDDP2
R38
18K
R37
C69
8K2
C73
C72
0.47UF/16V
10UF/50V
100P
2
-
1
3
+
R49
4
U5-A
1K
D4558
VSSP1
-12V
C70
VSSA1
100N
C71
100N
VSSP2
VSSA2
VSSP3
GND
VSSA3
R16
18K
R15
C50
C54
8K2
C53
0.47UF/16V
10UF/50V
100P
2
-
1
3
+
U4-A
R26
4
D4558
1K
-12V
C51
100N
C52
100N
GND
Noise
R56
1K5
GND
R171
4K7
C236
R207
10P
220
6
-
7
R93
5
+
R55
C89
6K8
U8-B
R169
24K
153
220
+12V
C248
683
R212
C90
Noise
NC
100N
Noise
C154
R170
330
82K
R238
220
GND
R239
220
LIN
RIN
+
MODE3
1K
R53
R54
1K
3
Q5
MODE2
+
BC847
Z1
R57
1K
1
5V6 SMD
MODE1
R31
1K
+
+
R48
56K
R39
R52
R44
R45
10K
C80
10K
12K
6K8
153
6
-
7
5
+
U5-B
C82
C78
C79
+12V
R51
R40
224
47K
224
224
C81
NC
100N
R25
56K
R17
R36
R23
R24
C63
10K
10K
12K
6K8
153
6
-
7
5
+
U4-B
C62
+12V
R18
R34
C67
C57
224
NC
224
224
47K
C66
100N
30HZand 120HZ -3DB
9-1
C99
47UF/100V
R5
C24
U1
C8
5.6K
470N
100N
100N
C6
C247
Noise
R96
100P
22K
C1
330PF
IN1+
8
15
C9
BOOT1
IN1-
15N
9
OUT1
16
R6
470N
C25
OSCREF
5.6K
11
VSSA1
TDA8954CTH
2 SGND
21
OUT2
5
IN2+
BOOT2
15N
R47
22
C10
C75
5.6K
IN2-
470N
4
220N
R188
C23
C250
22K
100P
C19
100N
5.6K
C74
R46
470N
47UF/100V
C30
U2
100N
C1001
100P
C38
100N
C1005
R1001
C36
R1003
C1003
330P
15N
220
5.6K
470N
C1002
C39
IN1+
8
100P
15
R1005
6K8
BOOT1
IN1-
9
C1004
OUT1
R1002
16
R1004
470N
220
OSCREF
5.6K
11
VSSA2
TDA8954TH
GND
2 SGND
C1006
21
OUT2
100P
5
IN2+
15N
BOOT2
R1006
C40
220
R1008
C1008
22
5.6K
470N
IN2-
C1007
4
100P
R1010
C1010
6K8
330P
R1007
R1009
C1009
220
5.6K
470N
100N
C95
C49
220N
47UF/100V
C184
SUB-ON/OFF-CTL
R43
1K
U3
100N
C56
R241
R42
C196
100N
220
5K6
474N
C190
15N
C200
IN1+
C96
8
15
470N
BOOT1
IN1-
9
OUT1
16
R14
VSSA3
OSCREF
5.6K
11
TDA8954TH
2 SGND
21
OUT2
R50
C5
5
GND
IN2+
330PF
15N
NC
BOOT2
C201
22
220
IN2-
4
R242
220N
100N
C215
C211
R243
220
R35
NC
R244
220
GND
SPK14
-
LT5
4 OHM
C243
SPK5
680N
6TS:6TS
SPK13
L2
15UH
15UH
SPK15
L3
-
LT6
4 OHM
SPK6
6TS:6TS
C13
680N
SPK16
GND
SPK16
RL-
-
SPK15
RL+
-
RR-
SPK14
SPK13
RR+
SPK12
SUB-
-
SPK11
SUB+
-
SPK10
SUB-
SPK9
SUB+
J33
SPK8P(Pink/Green)
GND
SPK12
LT7
6 OHM
C15
680N
SPK2
6TS:6TS
SPK11
L6
15UH
15UH
SPK12
L7
LT8
6 OHM
SPK7
6TS:6TS
C43
680N
SPK11
GND
C45
SPK10
680N
LT2
3 OHM
SPK8
6TS:6TS
SPK9
L10
15UH
15UH
L11
SPK10
LT1
3 OHM
SPK1
6TS:6TS
C205
SPK9
680N
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