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8-9
Amplifier Board Circuit Diagram:AMP
5
+3.3V
24PIN/0.5mm
24PIN/0.5mm
R1
R1
R2
R2
R3
R3
NC/4.7K
NC/4.7K
4.7K
4.7K
NC/4.7K
NC/4.7K
D
1
2
TP2
TP2
3
TP3
TP3
4
5
1/2power-control
TP5
TP5
6
7
GND
+3.3V
8
9
500/800mA
500/800mA
FB3
FB3
TP7
TP7
10
D
11
12
RESET
TP8
TP8
13
DSP_MUTE
TP9
TP9
14
GND
15
I2C_SDA
TP10
TP10
16
I2C_SCL
TP11
TP11
17
GND
18
MCLK
TP12
TP12
19
GND
TP13
TP13
20
BICK
TP14
TP14
21
TP15
TP15
22
23
LRCLK
TP17
TP17
24
TP18
TP18
XP4
XP4
D
D
C
+3.3V
Q15
Q15
D6
D6
PNP_MMBT8550CLT1
PNP_MMBT8550CLT1
LL4148
LL4148
+
+
CE37
CE37
47uF/16V
47uF/16V
R207
R207
10K
10K
D7
D7
AUDIO_MUTE
LL4148
LL4148
R209
R209
10K
10K
Q16
Q16
NPN_3DG3904M
NPN_3DG3904M
R206
R206
47K
47K
VCC
FB5
FB5
Q581
Q581
NC/70/1A
NC/70/1A
B
NC/PNP_MMBT8550CLT1
NC/PNP_MMBT8550CLT1
R611
R611
+ CE589
+ CE589
C584
C584
NC/47K
NC/47K
NC/47uF/16V
NC/47uF/16V
R609
R609
NC/4.7K
NC/4.7K
D
D
R606
R606
Q582
Q582
NC/NPN_3DG3904M
NC/NPN_3DG3904M
R699
R699
NC/2K
NC/2K
+12V_D
+12V_D
+12V-A
R65
R65
D
D
C16
C16
+
+
CE2
CE2
0.1uF/50V/X7R
0.1uF/50V/X7R
47uF/16V
47uF/16V
10
10
C31
C31
0.1uF/50V/X7R
0.1uF/50V/X7R
D
D
A
2
R72
R72
1/2power-control
1
3.16V
3
5.6K
5.6K
U3A
U3A
R75
R75
CE11
CE11
F4558
F4558
+
+
2.7K
2.7K
4.7uF/50V
4.7uF/50V
0.1uF/50V/X7R
0.1uF/50V/X7R
R83
R83
+12V-A
C43
C43
0.1uF/50V/X7R
0.1uF/50V/X7R
5.6K
5.6K
D
5
4
D
R5
R5
R8
R8
R7
R7
R10
R10
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
NC/4.7K
FAULT
AMP_RST
AUDIO_MUTE
AMP_SDA
AMP_SCL
AD_MCLK
R22
R22
10
10
AD_BCLK
R21
R21
10
10
I2S_DOUT2
R17
R17
47
47
I2S_DOUT1
TP19
TP19
AD_LRCK
R18
R18
NC/47
NC/47
R19
R19
10
10
I2S_DOUT0
R20
R20
10
10
D
D
AMP_SCL
AMP_SDA
FAULT
AMP_RST
I2S_DOUT0
AD_LRCK
AD_BCLK
AD_MCLK
R201
R201
33
33
C591
C591
NC/10pF/50V/NP0
NC/10pF/50V/NP0
R208
R208
R258
R258
4.7K
4.7K
500/200mA
500/200mA
A_MUTE
AMP_SCL
AMP_SDA
FAULT
AMP_RST
XP581
XP581
1
I2S_DOUT2
1
2
AD_LRCK
2
C585
C585
AD_BCLK
NC/2PIN/2.0mm
NC/2PIN/2.0mm
AD_MCLK
R202
R202
33
33
C590
C590
NC/10pF/50V/NP0
NC/10pF/50V/NP0
D
R608
R608
NC/5.6K
NC/5.6K
R607
R607
NC/1.2K
NC/1.2K
+12V-A
D
6
NC/5.6K
NC/5.6K
7
5
R605
R605
NC/5.6K
NC/5.6K
R259
R259
U3B
U3B
500/200mA
500/200mA
F4558
F4558
R70
R70
CE13
CE13
1
15K
15K
22uF/50V
22uF/50V
C41
C41
3
BAT54C
BAT54C
D3
D3
R76
R76
R77
R77
R78
R78
+
+
150K
150K
68K
68K
CE12
CE12
2
30K
30K
CE14
CE14
100uF/16V
100uF/16V
4.7uF/50V
4.7uF/50V
R86
R86
R87
R87
R84
R84
D
8.2K
8.2K
8.2K
8.2K
2K
2K
D
4
3
+3.3V
+3.3VD
FB13
FB13
500/200mA
500/200mA
C221
C221
CE57
CE57
+
+
0.1uF/50V/X7R
0.1uF/50V/X7R
100uF/16V
100uF/16V
+3.3VD
U25
U25
FB14
FB14
500/200mA
500/200mA
37
GND
C224
C224
36
1
C596
C596
VDD_DIG
GND_SUB
0.1uF/50V/X7R
0.1uF/50V/X7R
150pF/50V/NP0
150pF/50V/NP0
35
2
GND_DIG
SA
R274
R274
33
33
34
3
SCL
TEST_MODE
C233
C233
R273
R273
33
33
33
4
NC/0.1uF/25V/Y5V
NC/0.1uF/25V/Y5V
SDA
VSS
C229
C229
R281
R281
33
33
32
5
0.1uF/25V/Y5V
0.1uF/25V/Y5V
C234
C234
INT_LINE
VCC_REG
NC/0.1uF/25V/Y5V
NC/0.1uF/25V/Y5V
R275
R275
33
33
31
6
RESET
OUT2B
C250
C250
C231
C231
30
7
SDI
GND2
1000pF/50V/X7R
1000pF/50V/X7R
0.01uF/50V/X7R
0.01uF/50V/X7R
R284
R284
33
33
29
8
LRCKI
VCC2
R285
R285
33
33
28
9
R286
R286
33
33
BICKI
OUT2A
27
10
XTI
OUT1B
26
11
GND_PLL
VCC1
25
12
FILTER_PLL
GND1
+3.3VD
24
13
R255
R255
500/200mA
500/200mA
VDD_PLL
OUT1A
A_MUTE
R199
R199
0
0
23
14
PWRDN
GND_REG
C237
C237
22
15
C242
C242
GND_DIG
VDD
+3.3VD
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R262
R262
500/200mA
500/200mA
21
16
R257
R257
VDD_DIG
CONFIG
2.2K
2.2K
20
17
TWARN / OUT4A
OUT3B / FFX3B
C243
C243
19
18
R213
R213
R211
R211
EAPD / OUT4B
OUT3A / FFX3A
STA339BWs
STA339BWs
4.7K
4.7K
R214
R214
4.7K
4.7K
R212
R212
4.7K
4.7K
4.7K
4.7K
+3.3VD
+3.3VD
R445
R445
U26
U26
FB15
FB15
500/200mA
500/200mA
4.7K
4.7K
37
GND
C226
C226
C597
C597
36
1
0.1uF/50V/X7R
0.1uF/50V/X7R
VDD_DIG
GND_SUB
150pF/50V/NP0
150pF/50V/NP0
35
2
GND_DIG
SA
R278
R278
33
33
34
3
SCL
TEST_MODE
C235
C235
R277
R277
33
33
33
4
SDA
VSS
NC/0.1uF/25V/Y5V
NC/0.1uF/25V/Y5V
C230
C230
0.1uF/25V/Y5V
0.1uF/25V/Y5V
C236
C236
R280
R280
33
33
32
5
INT_LINE
VCC_REG
NC/0.1uF/25V/Y5V
NC/0.1uF/25V/Y5V
R279
R279
33
33
31
6
RESET
OUT2B
C252
C252
C232
C232
30
7
0.01uF/50V/X7R
0.01uF/50V/X7R
SDI
GND2
1000pF/50V/X7R
1000pF/50V/X7R
29
8
LRCKI
VCC2
R287
R287
33
33
28
9
R288
R288
33
33
BICKI
OUT2A
27
10
XTI
OUT1B
26
11
GND_PLL
VCC1
25
12
FILTER_PLL
GND1
+3.3VD
R256
R256
500/200mA
500/200mA
24
13
VDD_PLL
OUT1A
A_MUTE
R200
R200
0
0
23
14
PWRDN
GND_REG
22
15
C282
C282
C254
C254
GND_DIG
VDD
+3.3VD
NC/0.1uF/25V/Y5V
NC/0.1uF/25V/Y5V
0.1uF/25V/Y5V
0.1uF/25V/Y5V
R261
R261
500/200mA
500/200mA
21
16
R260
R260
VDD_DIG
CONFIG
2.2K
2.2K
20
17
TWARN / OUT4A
OUT3B / FFX3B
C244
C244
R203
R203
19
18
R210
R210
EAPD / OUT4B
OUT3A / FFX3A
STA339BWs
STA339BWs
4.7K
4.7K
4.7K
4.7K
R204
R204
R205
R205
4.7K
4.7K
4.7K
4.7K
+3.3VD
R71
R71
SUB+
1K
1K
R82
R82
FL+
1K
1K
3
8-9
2
1
AMP_VCC
FB29
FB29
70/3A
70/3A
+ +
R270
R270
22
22
C284
C284
330pF/50V/X7R
330pF/50V/X7R
L18
L18
10uH/5A
10uH/5A
FR-
R268
R268
2.7
2.7
C258
C258
0.22uF/50V/X7R
0.22uF/50V/X7R
C270
C270
C257
C257
0.22uF/50V/X7R
0.22uF/50V/X7R
C251
C251
C271
C271
330pF/50V/X7R
330pF/50V/X7R
1uF/63V
1uF/63V
0.01uF/50V/X7R
0.01uF/50V/X7R
R264
R264
C269
C269
2.7
2.7
R267
R267
22
22
0.22uF/50V/X7R
0.22uF/50V/X7R
C267
C267
0.22uF/50V/X7R
0.22uF/50V/X7R
L19
L19
FR+
10uH/5A
10uH/5A
L20
L20
10uH/5A
10uH/5A
FL-
R265
R265
2.7
2.7
C263
C263
C266
C266
0.22uF/50V/X7R
0.22uF/50V/X7R
330pF/50V/X7R
330pF/50V/X7R
C256 0.22uF/50V/X7R
C256 0.22uF/50V/X7R
C253
C253
C272
C272
R266
R266
2.7
2.7
1uF/63V
1uF/63V
0.01uF/50V/X7R
0.01uF/50V/X7R
C268
C268
R251
R251
22
22
0.22uF/50V/X7R
0.22uF/50V/X7R
C264 0.22uF/50V/X7R
C264 0.22uF/50V/X7R
L22
L22
10uH/5A
10uH/5A
FL+
AMP_VCC
FB30
FB30
70/3A
70/3A
+ +
R282
R282
22
22
C286
C286
330pF/50V/X7R
330pF/50V/X7R
AMP_VCC
FB32
FB32
70/3A
70/3A
FB31
FB31
70/3A
70/3A
+ +
R283
R283
22
22
C289
C289
330pF/50V/X7R
330pF/50V/X7R
SUB-
L17
L17
10uH/5A
10uH/5A
2.7
2.7
R272
R272
C262
C262
C278
C278
0.22uF/50V/X7R
0.22uF/50V/X7R
C288
C288
C261
C261
0.22uF/50V/X7R
0.22uF/50V/X7R
C280
C280
330pF/50V/X7R
330pF/50V/X7R
1uF/63V
1uF/63V
0.01uF/50V/X7R
0.01uF/50V/X7R
R271
R271
2.7
2.7
C277
C277
R276
R276
22
22
0.22uF/50V/X7R
0.22uF/50V/X7R
C279
C279
0.22uF/50V/X7R
0.22uF/50V/X7R
L24
L24
10uH/5A
10uH/5A
SUB+
2
1
D
XP5
XP5
4PIN/2.5mm
4PIN/2.5mm
1
1
2
4
2
C134 3.3UF
C134 3.3UF
3
3
4
4
6
1
1
2
4
2
3
3
C139 3.3UF
C139 3.3UF
4
4
5
6
5
XP8
XP8
5PIN/2.5mm
5PIN/2.5mm
C
XP6
XP6
1
1
2
B
2
4
2PIN/2.5mm
2PIN/2.5mm
A
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