Akai ADA2, Service Manual

Page: 38 / 95

1 1
2 2
3 3
4 4
5 5
6 6
D
D
C
C
B
B
A
A
1
200
Scenic
View
Dr.
Cumberland,
RI
02864
6
2018/5/1
Sheet:
of
POWER-20180501.SchDoc ADA2_RP.PrjPcb
Originally
Drawn
By:
Project: Sheet: Variant:
V
ariant
name
not
interpreted
Last
Modified
By:
Last
Modified:
Copyright
2017,
inMusic
Brands
All
Rights
Reserved
1 2
J1
GND
10uF
#NAME?
C37
0.47uF #NAME?
C30
R28 22.1K
R26
332K
10uF
#NAME?
C40
-16V
10uF
#NAME?
C27
+19V
10uF
#NAME?
C34
GND
1,000pF #NAME?
C31
R25
100K
AN_EN
R23
115K
R24 10.0K
10uF #NAME? C26
0.01uF #NAME?
C25
+VA
R30
127K
R27
10.0K
0.01uF #NAME?
C39
10uF #NAME? C38
GND
-VA
10uF
#NAME?
C29 10uF
#NAME?
C42
0.01uF
#NAME?
C32
GND
GND
GND
10uF
#NAME?
C14
0.47uF #NAME?
C9 R17 22.1K
R16
51.1K
10uF
#NAME?
C15
10uF
#NAME ?
C12
1,000pF #NAME?
C10
R15
100K
L2 4.7uH
10uF
#NAME?
C22
0.47uF #NAME?
C17
R21 22.1K
R20
110K
10uF
#NAME?
C23
10uF
#NAME?
C20
1,000pF #NAME?
C18
R19
100K
L3 5.6uH
GND GND
+3
.3
V
+
3
.3
V
+6
V
+
6
V
+V
A
+
V
A
-V
A
-V
A
+4
8
V
+
4
8V
VOUT
1
SYNC
2
EN
3
COMP
4
FB
5
FSW
6
GND
7
VCC
8
GND
9
VOU
T
S
YN
C
E
N
CO
MP
FB
FS
W
G
ND
V
CC
G
ND
U1
L7986A
1,500pF #NAME? C5
10uF #NAME?
C8
R5 274
0.033uF #NAME?
C2
R2
100
R3
121K
R9 1.50K
D4 SS16
2,200pF #NAME? C1
R6
100
D3 18V
1
2 3
Q1 DMN6140L
L1 470uH
D1 SS16
47uF #NAME?
+
C3
R7 12.1K
10uF
#NAME?
C6
0.1uF
#NAME?
C7
GND
0.1uF
#NAME ?
C13 0.1uF
#NAME?
C21
0.1uF
#NAME ?
C35
+48V
R1
4.99
R10 61.9K
1
3
2
D2 BAT54S
SW
1
BOOT
2
VCC
3
FB
4
EN/SYNC
5
AGND
6
VIN
7
PGND
8
TAB
9
S
W
B
OOT
VCC
FB
EN
/S
YN
C
A
G
ND
V
IN
P
G
ND
TA
B
U2
LMR23630AF
SW
1
BOOT
2
VCC
3
FB
4
EN/SYNC
5
AGND
6
VIN
7
PGND
8
TAB
9
S
W
B
OOT
VCC
FB
EN
/S
YN
C
A
G
ND
V
IN
P
G
ND
TA
B
U3
LMR23630AF
SW
1
BOOT
2
VCC
3
FB
4
EN/SYNC
5
AGND
6
VIN
7
PGND
8
TAB
9
S
W
B
OOT
VCC
FB
EN
/S
YN
C
A
G
ND
V
IN
P
G
ND
TAB
U5
LMR23630AF
INP
1
EN
2
NR/SS
3
GND
4
INN
5
OUTN
6
FBN
7
BUF
8
FBP
9
OUTP
10
PAD
11
INP E
N
NR
/SS
G
ND
INN
OU
T
N
FB
N
B
U
F
FBP
OU
TP
PAD
U4
TPS7A39
10uF
#NAME?
C16
+3.3
V
10pF #NAME?
C11
10pF #NAME?
C19
+6V
20pF #NAME?
C33
10uF
#NAME?
C28 10uF
#NAME?
C41
AZ01
Sync
~750kHz
R8
10.0K
L4 100uH
4.7uF
#NAME?
C36
AZ01_SYNC
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22
J3
ZIF-BOTTOM -CONTA CT 0. 5mm
FRO M A Z01C R-J 23
AZ01_SYNC nROCK2_RCVRY ROCK2_RESET
10uF
#NAME?
C48
0.47uF #NAME?
C43
R33 22.1K
10uF
#NAME?
C49
1,000pF #NAME?
C44
R31
100K
L5 5.6uH
+7
V
+
7
V
0.1u F
#NA ME?
C47
SW
1
BOOT
2
VCC
3
FB
4
EN/SYNC
5
AGND
6
VIN
7
PGND
8
TAB
9
S
W
B
OOT
VCC
FB
EN
/S
YN
C
A
G
ND
V
IN
P
G
ND
TAB
U6
LMR23630AF
10pF #NAME?
C45
+7V
R32
140K
GND
10uF
#NA ME?
C46
4.7uF
#NAME?
+
C4
R11
100K
R13 100K
D5 MMBD4148
3
1
2
Q2 MMBT4401
R4 100K
GND
T
E
MPO
RARY
PH
A
N
T
O
M
MUTE
nPHANTOM_MUTE
TO MA IN PA NE L
+3.3
V
+7V
R
O
C
K
2_R
E
S
E
T
n
R
O
C
K
2
_
R
CVRY
1 2 3 4 5 6 7 8 9 10
J2
SIL SH RO UDE D 2. 0mm
+VA
10uF
#NAME?
C50 10uF
#NAME?
C24
R14 499
R12
1.00K
FB1
1Kohms@100MHz
FB2
1Kohms@100MHz
FB3
1Kohms@100MHz
SW3 DPDT
PH ANTOM PO WER SW IT CH
1
3
2
D25 BAT54S
R232
0.0
CHGND
90.9K
R173
GND GND
R18
10.0K