10.
Circuit Diagrams and PWB Layouts
10-9-17
AUDIO-2nd-CLASS-D-AMP
20030_528.eps
AUDIO-2nd-CLASS-D-AMP
B17
B17
2015-7-6
C
715G7772
AUDIO-2nd-CLASS-D-AMP
R5269
NC/0R05 OHM
R5268
NC/47 OHM 1/16W
TP5214
R9516
NC/22 OHM 1/16W
C
5254
N
C
/10PF
50V
SDA-SSB
NT-3D-IR
R5271
NC/0R05 OHM
NT-3D-IR
7,8,23
R5270
NC/47 OHM 1/16W
C
5255
N
C
/10PF
50V
SCL-SSB
C5234
100N16V
R5273
NC/100OHM1/16W
R5272
NC/100OHM1/16W
RC-IR
2,23,25
C
5256
N
C
/10PF
50V
AUDIO-RESETn
RC-IR
RC-IR
R5238
NC/100OHM1/16W
BL-SPI-VSY NC
BL-SPI-CSn
BL-SPI-CLKn
BL-SPI-MOSI
BL-SPI-CSn
8
BL-SPI-CLKn
8
BL-SPI-MOSI
8
BL-SPI-VSY NC 8
C
5242
NC/
33
0pF
50V
+3V3
R
5212
10K+
-5
%
1/
16W
+3V3
+3V3
R
5214
10K+
-5
%
1/
16W
TP5276
R
5219
N
C
/10K+
-5
%
1/
16W
R5
3
20
N
C
/2.
2K 1/
16W
TP5215
R
521
3
10K+
-5
%
1/
16W
R
5217
N
C
/10K+
-5
%
1/
16W
+3V3-AUDIO2
C
5215
1U
F
16V
C
5216
100N
16V
R5265
NC/0R05 OHM
R5266
NC/100OHM1/16W
SOC-I2S-SD0
17,22,24
R5267
NC/0R05 OHM
C
525
3
N
C
/100pF
50V
SOC-I2S-SD1
22,24
LSPK2p
17
SOC-I2S-BCLK
17,22,24
NT-3D-IR
TP5219
SOC-I2S-MCLK
17,22,24
SOC-I2S-SD1
SOC-I2S-SD0
SCL-SSB
2,17
SOC-I2S-LRCK
17,22,24
SDA-SSB
2,17
SOC-I2S-MCLK
SOC-I2S-BCLK
LSPK2p
LSPK2n
17
SOC-I2S-LRCK
AMP-PD2n
17
RSPK2n
17
RSPK2n
RSPK2p
17
RSPK2p
AMP-PD2n
SDA-SSB
LSPK2n
R
5295
N
C
/2.
2K 1/
16W
SCL-SSB
RSPK2p
R5239
22K 1/16W
TP5216
R5227
NC/10K+-5%1/16W
C5220
220NF 25V
R5321
NC/47 OHM 1/16W
C5217
1UF16V
+3V3
C5212
1UF16V
TP5277
C5213
1UF16V
+3V3
R
522
8
10K+
-5
%
1/
16W
+3V3
R
5229
10K+
-5
%
1/
16W
R
5222
N
C
/10K+
-5
%
1/
16W
+3V3
TP5220
R5
2
8
5
NC/1
8
0R
1/
16W
5
%
R
5221
N
C
/10K+
-5
%
1/
16W
+3V3
SOC-3D-IR
RSPK2n
SOC-3D-IR
19,23
Q5201
LBC847BWT1G
R5256
3.9K 1/16W
TP5217
S P E A K E R c o n n e c t i o n
+12V-AUDIO
SOC-I2S-SD1
+12V-AUDIO2
C5238
NC/1uF 10V
+3V3
SDA-SSB
R5
3
10
N
C
/2.
2K 1/
16W
R5
2
3
0
10K+
-5
%
1/
16W
R5
3
11
N
C
/2.
2K 1/
16W
R
5296
N
C
/2.
2K 1/
16W
AU
D
IO-PD
2n
R5253
NC/100OHM1/16W
+3V3
TP5278
C
524
8
NC/
33
0pF
50V
TP5264
TP5221
R5
3
0
8
N
C
/2.
2K 1/
16W
+3V3
+3V3-AUDIO2
C5230
NC/1UF16V
R5211
NC/10K+-5%1/16W
SOC-RX-BO
SOC-RX-BO
2
R5210
1K 1/16W
+3V3
SCL-SSB
C5225
220NF 25V
R5254
NC/10K+-5%1/16W
R5258
NC/100OHM1/16W
R5290
NC/47 OHM 1/16W
C5218
100N16V
C
5249
NC/
33
0pF
50V
R5207
47K 1/16W
C5257
1UF16V
C5258
NC/1UF16V
+3V3
+12V-AUDIO2
C
5272
N
C
/100N
16V
R5
2
3
1
10K+
-5
%
1/
16W
R
5224
N
C
/10K+
-5
%
1/
16W
R5
3
12
N
C
/2.
2K 1/
16W
+3V3
R5
3
1
3
N
C
/2.
2K 1/
16W
R5298
NC/2.2K 1/16W
+3V3
TP5222
C5231
220NF 25V
+3V3
C5221
NC/1UF16V
TP5279
R5243
100K 1/16W
TP5265
C5226
220NF 25V
C5247
470PF 50V
TP5317
LSPK2n
R5260
NC/100OHM1/16W
+3V3-AUDIO2
R5250
NC/47 OHM 1/16W
C
5250
NC/
33
0pF
50V
C5236
1UF16V
R5251
10K+-5%1/16W
R5305
NC/47 OHM 1/16W
R5220
0R05 OHM
L5201
10UH 20%
L5202
10UH 20%
R5
3
09
N
C
/2.
2K 1/
16W
L5203
10UH 20%
L5200
10UH 20%
Q5200
LBC847BWT1G
AMP-PD2n
R5234
0R05 OHM
C5223
1UF16V
TP5283
C5227
1UF16V
SOC-I2S-SD0
R5242
NC/47 OHM 1/16W
NT-CTRL-DISP3
C
527
3
NC/2
.2
UF 1
6
V
R5297
NC/2.2K 1/16W
C
5244
N
C
/10PF
50V
+3V3
SOC-RX-BO
R5252
NC/0R05 OHM
R5299
NC/2.2K 1/16W
TP5280
TP5266
U5200
TAS5760LD
SFT_CLIP
1
AVDD_REG
2
VCOM
3
AVSS
4
SPK_FAULT
5
SPK_SD
6
SDA/FREQ
7
SCL/PBTL
8
DVDD
9
SPK_GAIN0
10
SPK_GAIN1
11
SPK_MUTE
12
SPK_OUTB-
37
BSTRPB-
38
BSTRPA-
39
SPK_OUTA-
40
PGND
41
S
42
43
PVDD
44
PVDD
45
AVDD
46
GGND
47
GVDD_REG
48
PGND
36
S
35
PVDD
33
34
PVDD
32
DR_INB-
31
30
DR_OUTB
29
DR_UVP
28
DRGND
27
DRVDD
26
DR_CP
25
MCLK
13
SCLK
14
SDIN
15
LRCLK
16
DGND
17
DR_INA-
18
19
DR_OUTA
20
DRGND
21
DR_MUTE
22
DRVSS
23
DR_CN
24
E-PAD
49
C5232
1UF16V
R5206
NC/47K 1/16W
R5244
100K 1/16W
R
522
3
N
C
/10K+
-5
%
1/
16W
R5
3
15
NC/2
.2
K
1
/1
6
W
SOC-I2S-MCLK
R5
3
16
N
C
/2.
2K 1/
16W
R5
3
17
N
C
/2.
2K 1/
16W
R5
3
1
8
NC/2
.2
K
1
/1
6
W
TP5248
+3V3
+12V-AUDIO2
SOC-I2S-BCLK
R5247
10K+-5%1/16W
+3V3
R5245
0R05 OHM
SOC-I2S-SD1
+3V3
C5243
1uF 10V
SOC-I2S-LRCK
+
C
520
3
220U
F
16V
BL-SPI-CLKn
+
C
5204
N
C
/220U
F
16V
+
C
5205
220U
F
16V
TP5284
R5215
47 OHM 1/16W
R5257
NC/47 OHM 1/16W
R5255
NC/10K+-5%1/16W
R5262
NC/100OHM1/16W
R5216
47 OHM 1/16W
TP5290
C
5251
NC/
33
0pF
50V
TP5281
TP5267
LSPK2p
AUDIO-MODULE-SPDIF 22
AUDIO-MODULE-SPDIF
R5248
NC/150K 1/16W 5%
R5303
NC/47 OHM 1/16W
R5293
NC/2.2K 1/16W
R
521
8
N
C
/10K+
-5
%
1/
16W
SOC-I2S-SD2
F5200
NC/T 2A 63V
1
2
R5286
NC/47 OHM 1/16W
C5269
NC/10PF 50V
R5241
NC/100OHM1/16W
SOC-I2S-LRCK
TP5249
C5245
NC/47pF 50V
R5249
NC/100OHM1/16W
C5276
NC/100N16V
R5259
NC/0R05 OHM
C
5259
N
C
/10PF
50V
NT-CTRL-DISP6 8,9
NT-CTRL-DISP3 8,9
NT-CTRL-DISP1 8,9
NT-CTRL-DISP1
NT-CTRL-DISP6
NT-CTRL-DISP3
SOC-I2S-SD3
FB5200
NC/220R
1
2
SOC-TX-BO
C
5260
N
C
/100N
16V
C
5261
N
C
/10PF
50V
TP5229
R5294
NC/2.2K 1/16W
R5304
NC/47 OHM 1/16W
NT-CTRL-DISP6
R5261
NC/47 OHM 1/16W
TP5225
TP5286
C
5262
N
C
/100N
16V
C
526
3
N
C
/10PF
50V
TP5268
C5270
NC/100N16V
TP5230
TP5251
TP5223
R5292
NC/2.2K 1/16W
SOC-I2S-MCLK
C
5264
N
C
/100N
16V
C
5265
N
C
/10PF
50V
TP5287
BL-SPI-MOSI
TP5269
TP5291
TP5231
TP5252
R5237
NC/0R05 OHM
TP5224
U5201
NC/DIT4096IPWR
CSS
1
COPY /C
2
L
3
CLK1
4
CLK0
5
MCLK
6
Vio
7
DGND
8
FMT0
9
FMT1
10
SDATA
13
SCLK
11
SY NC
12
M/S
14
MODE
28
U
27
V
26
BLS
25
BLSM
24
EMPH
23
AUDIO
22
MONO
21
MDAT
20
VDD
19
TX+
18
TX-
17
DGND
16
RST
15
R5287
NC/120 OHM 1/16W
TP5288
TP5200
TP5292
NT-CTRL-DISP1
R5291
NC/47 OHM 1/16W
TP5201
R5302
NC/2.2K 1/16W
TP5233
TP5293
TP5202
AUDIO-RESETn
17,19,25
AUDIO-RESETn
R5275
NC/47 OHM 1/16W
R5277
NC/47 OHM 1/16W
R5276
NC/47 OHM 1/16W
R5279
NC/47 OHM 1/16W
R5278
NC/47 OHM 1/16W
R5281
NC/47 OHM 1/16W
R5280
NC/47 OHM 1/16W
+3V3
+3V3
TP5234
TP5226
R5
3
06
N
C
/2.
2K 1/
16W
TP5203
BL-SPI-CSn
FB5202
NC/220R
1
2
C5267
NC/100N16V
TP5235
TP5282
TP5204
+3V3
FB5203
NC/220R
1
2
TP5294
R5
3
07
N
C
/2.
2K 1/
16W
TP5205
+5V-SW
FB5204
NC/220R
1
2
C
5275
NC/2
.2
UF 1
6
V
C
5274
N
C
/100N
16V
R5274
NC/0R05 OHM
TP5227
TP5236
BL-SPI-VSY NC
SOC-I2S-BCLK
SOC-I2S-SD1
TP5206
TP5295
Q5202
NC/LBC847BWT1G
TP5228
TP5237
TP5270
TP5289
C5268
NC/100N16V
TP5207
R9517
NC/22 OHM 1/16W
R5282
NC/2K7
TP5238
TP5208
TP5271
+3V3
R5
3
00
N
C
/2.
2K 1/
16W
FB5206
NC/220R
1
2
TP5209
+3V3
TP5239
TP5272
R5288
NC/100OHM1/16W
C5271
NC/22pF 50V
R5246
NC/0R05 OHM
R5
2
83
N
C
/4.
7K 1/
16W
FB5207
NC/220R
1
2
TP5210
FB5205
NC/220R
1
2
R5301
NC/2.2K 1/16W
TP5240
C
5266
N
C
/1nF
50V
TP5273
TP5211
A U D I O
M
O
D U L E S P D I F O
U T P U T
AUDIO-MODULE-SPDIF
R5314
NC/2.2K 1/16W
AU
D
IO-R
E
S
ET
n
TP5212
SOC-I2S-BCLK
C5246
NC/47pF 50V
R5319
NC/2.2K 1/16W
C5208
1UF16V
SOC-I2S-LRCK
C5210
1UF16V
TP5274
C5206
10UF 16V
C5207
10UF 16V
SOC-3D-IR
+3V3
R5264
NC/0R05 OHM
R5263
NC/100OHM1/16W
SOC-I2S-MCLK
C
5252
N
C
/1nF
50V
SOC-I2S-SD3
22
SOC-I2S-SD3
C
5240
1U
F
16V
NT-LCD-PWR-ON
8,9,15
C5
2
3
9
100N
16V
+12V
NT-LCD-PWR-ON
SOC-I2S-SD2
SOC-I2S-SD2
22,24
TP5213
AUDIO-PD2n
17
AUDIO-PD2n
R5233
NC/100OHM1/16W
R5232
NC/100OHM1/16W
C5
2
3
7
N
C
/1nF
50V
POWER-ON
R5226
NC/100OHM1/16W
R5225
NC/100OHM1/16W
R5236
NC/100OHM1/16W
R5284
NC/4.7K 1/16W
TP5218
C5214
100N16V
R5235
NC/100OHM1/16W
C
5241
N
C
/1nF
50V
NT-LCD-PWR-ON
POWER-ON
15
POWER-ON
TP5275
+3V3
CN1103
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
4
8
49
50
51
t
TH5200
NC/PTCR
1
2
SOC-TX-BO
2
SOC-TX-BO
C5
2
3
5
N
C
/1nF
50V