1
1
2
2
3
3
4
4
5
5
6
6
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7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
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16
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17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
ES12P-ES15P-ES18P-ES21P-NS21P
Section:
Product(s):
DSP.SchDoc
M1696
1
5
Sheet
Of
PCB#:
Rev#:
Modified:
V04
File:
2021-08-30
ES12/15/18/21P
EML Rev#:
XX
Tmp Rev:
V031
GAIN
D
10K
2339
.
P5:1
D
10K
2339
.
P5:2
GROUND GNDA
NODES ON
POWER AMP
3K32
0805
R176
1K5
0805
R10
50V
100N
0805
C134
VREFL
50V
100N
0805
C30
VREFL
ROLL OFF
470R
0805
R11
499R
0805
499R
0805
R27
499R
0805
R9
DGGND
CLIP
XLIM
TLIM
MODE SELECT
DGGND
+3V3
VSS
50V
100N
0805
C34
CODEC
UART2_TX
47R
0805
R14
BLUE PROGRAM
HEADER
DGNDBLU
INPUT1
OUTPUT1
INPUT2
VSS
4
9
R
9
0
6
0
R
HEADER
PROGRAM
+3V3
DGGND
8200NH
L6
100N
0805
50V
C29
10U
0805
10V
C18
+3V3
+3V3POT
VREFL
+3V3POT
DGGND
VREFL
50V
100N
0805
C21
+3V3
DGGND
1206
25V
1U
C22
1206
25V
C27
100N
0805
50V
C28
+3V3
DGGND
50V
100N
0805
C25
+3V3
DGGND
1206
25V
1U
C26
50V
100N
0805
C23
+3V3
DGGND
1206
25V
1U
C24
50V
100N
0805
C47
+3V3
DGGND
1206
25V
1U
C46
ELE 8mm
C55
RAD
6V3
470U
C6
3K74
0805
R2
1K21
0805
R3
0R27
1206
R15
DO214AC
B160
D1
220UH
8152
L3
GND
GND
GND
GND
+5V SUPPLY
STEP DOWN
CONVERTER
+15SUPPLY
FOR U1 DSP
+5V
GNDA
GND
TO92
LP2950-33
7012
U5
TO92
LP2950-33
7012
U6
63V
100N
RAD .2in
C16
RAD .2in
C42
DGGND
+3V3
+3V3CD
VSS
FROM MAIN SUPPLY
MOMENTARY
2PDT MINI
UP
DOWN
3439
S2:1
MOMENTARY
2PDT MINI
UP
DOWN
3439
S2:2
DGGND
BLUE TOOTH
25V
1U
1206
C35
DGGND
VSS
SW VERT 3POS
FX Select
4202
DGGND
TP1
TP12
TP7
+3V3CD
+3V3
DGGND
PUT BESIDE EACH OTHER
TP9
TP10
ADC1_MP/DP
ANALOG TP'S
UART2_RX
DGGND
NET TIE
NET TIE
63V
100N
RAD .2in
C41
R
A
D
F
IL
M
C
L
O
S
E
T
O
M
IC
R
O
RAIL SENSE
TP8
+5V
VOLTAGE
TEST POINTS
100K
0805
R177
0805
C43
0805
C44
DGGND
DGGND
BLUETOOTH
499R
0805
R8
BT
SO8
TP13
GND
0603
50V
470P
C32
ACTIVE
249R0
0805
R35
7967
L11
+15V
TP14
VSS
25V
1U
C1
1206
C5
100N
16V
C2
100N
16V
C4
25V
1U
C3
1
:1
W1:2
W1:3
W1:4
W1:5
10
W1:6
10
W1:7
10
W1:8
10
W1:9
W1:10
F0805
L1
47R
0805
R1
+3V3_BLE
+3V3_BLE
BLUE
PROGRAM
HEADER
47R
0805
R20
0805
C45
OUTPUT2
DGNDBLU
GND
VSS
8200NH
L7
63V
100N
RAD .2in
C11
D
10K
B
2339
.
P5:3
ALUMINUM
SPACER
TO CHASSIS
GNDA
50V
100N
0805
C135
VREFL
4K7
0805
R44
W2-PIN2
CHSGND1
U3
50V
100N
0805
C12
RAD .2in
10U
63V
C8
+3V3CD
+3V3
CHSGND1
DGGND
10K00
0805
R24
VSS
VSS
DGGND
+3V3POT
+3V3
10K00
0805
R25
W3:2
W3:4
W3:10
N1
U1
W4
Program
W3:6
W3:8
W5
Program
+3V3
DGGND
RESET
SWD_DIO
SWD_CLK
DGNDBLU
SO8
6694
AT25010B
U10
+3V3
DGGND
+3V3
GRN
.7031
LD6A
YEL
.7032
LD4A
BLU
.
7030
LD5A
.7032
LD2A
.7033
LD3A
BLE_RESET
+VPS
+15V
+VPS
GNDA
/NS21P