1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
of
Filename:
PCB#
Sheet
4
3
Product
Date:
Rev:
YsType:*
DIGITAL.SCHDOC
M1529
2018-05-22
DIGITAL.SCHDOC
V01
PS Preamp
W3:7
W3:6
W3:1
100R
0805
R105
X4
PROGRAM SELECT:
18V0
SOD-323
D18
W3:10
W3:9
W3:8
0805
C17
W3:5
W3:3
W3:2
W3:4
0603
10K
0805
1206
C10
200R
0805
R47
1206
W2:4
W2:6
0603
0603
1K02
0805
R33
0805
470R
0805
R66
0805
0805
0603
1206
C86
0603
0805
0805
22K1
0805
R95
D1005
1206
0805
0805
0805
0805
0805
18V0
SOD-323
D17
0805
C66
0603
C18
0603
C23
1206
1206
C12
0603
C15
0805
W2:2
0805
C67
1206
SOT-23
0805
C83
0805
0603
C89
0603
1K02
0805
R64
.
0805
R42
.
.
0805
C55
3522
UP
S8:1
0603
384kHz
1206
BDM_PORT
8200NH
L3
SOT-23
0805
0603
0603
1206
1206
0603
0805
0805
SOT23
MMBT3906LT1
7805
Q8
0805
LM1117-5v
SOT-223
U5
0805
C68
0805
1206
C85
0603
INPUT CONTROLS
0805
0805
DOWN
UP
3522
S9:1
3522
3522
UP
S8:2
B LIN
DOWN
3522
S9:2
3522
U7
+1V8 SUPPLY
MASTER GAIN
CONNECTOR TO AMP BOARD
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
CLIP
/RST_DSP
/RST_DAC
SS_DAC
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
MCLK
+5V
+15V
+15V
+15V
-15V
-15V
BDM_/RESET
VREFL
VREFL
VREFL
VREFH
VREFH
AIN_LO_SENS
AIN_HI_SENS
BDM_BKGD
STS
STS
SYNC
PS_CNTRL
PS_CNTRL
PSGND
PSGND
HORN
HORN-
WOOFER-
DAC_LRCK
DAC_DATA
DAC_BCK
SS_DSP
SPI_MISO
SPI_MOSI
SPI_CLK
10R
0603
R16
IOUTL-
IOUTL+
IOUTR-
IOUTR+
+5V
+5V
DGND
1K0
0805
R21
39R
0805
R72
X3
W2_A
BDM PORT
ON REAR OF PCB
W2