Akai AA-V29DPL - Page 8

IC42
IC2.IC3 IC54
PIN No. DESCRIPTION
VOI.TAGE
PIN No.
DESCRIPTION
VOLTAGE
P1N No. DESCRIPTION
VOLTAGE
1
RLC2
4
1
VEE
-12
1 VCC
10.4
2
RLC1
4 2
L1/l.1 0
2 A OUTPUT
5.2
3
RLC4
3.6
3
L2/L2
0 3 A-INPUT
52
4
RLC7
3.6
4 L3/LCOM1 0
4
A+INPUT
5.2
5
RLC3
4
5
L4/l.3 0 5
VEE 0
6
RLC8
4 6
LCOM1/L4 0 6
B+INPUT
5.2
7 RLC6
3.4 7
LS/LCOM2
0 7
B-INPUT
5.2
8
LU
4 8
L6/l.5 0
8
BOUTPUT
5.2
9
LBPF
4 9
LCOM2/l.6
0
9
vcc
10.4
10
RU
4 10 L7/LCOM3 0
11 RBPF
4 11
L8/l.7 0
12 LT
4 12
LCOM3/LCOM4 0 1Cll1
13
RT 4
13 STROBE
STROBE
PIN No.
DESCRIPTION
VOLTAGE
14
LIN
4
14 GND 0 1
INPUT
18.3
15
RIN
4
15 CK CK 2
GND
0
16 HOLDC
4 16
DATA DATA 3 OUTPUT 12
17
VCC 10
17
RCOM3/RCOM4 0
18 NGC3
4
18 R8/R7 0
19
NGC2 4
20
NGC1 2.5
19 R7/RCOM3 0
20 RCOM2JR6 0
1Cll2
PIN No. DESCRIPTION VOLTAGE
•
21 VDD
4.8
21 R6/R5
0 1 GND
0
22
DATA DATA
22 R5/RCOM2 0 2
INPUT
-
20
23
SCK SCK
23
RCOM1/R4
0 3
OUTPUT
-12
24 REQ
REQ 24
R4/R3
0
25 IDS
0 25
R3/RCOM1 0
26 vss
0
26
R2/R2 0 1Cll3
27
LOUT 4
27
R1/R1 0 PIN No.
DESCRIPTION
VOLTAGE
28
ROUT
~ 28
· voo
11.7 1 INPUT 11.5
29 CT
4
2
GND
0
30
COUT
4
3 OUTPUT
5
31
ST
4 IC43
32 SOUT
4
PIN No. DESCRIPTION
VOLTAGE
33
CMC
4 1
voo 4.7 IC84
34
SMRO
4 2
XIN
1MHz
PIN No. DESCRIPTION VOLTAGE
35
SMRI
4
3
XOUT 1MHz 1 INPUT
10.3
36
SD
4
4 REQ
REQ
2 GND 0.6
37
SIMB
4
38 SIMA
4
5
SCK
SCK
6
DATA
DATA
3 OUTPUT 5.6
•
39
L+R
4 7
IDSW 0
40 L-R
4
8 IDFLAG
4.7 IC92
41
GNO 0
9
TEST1 0 PIN
No. DESCRIPTION VOLTAGE
42 VREF
4
10 TEST2 0
1 VOUT
5
43
VREFG
4 11
DGND 0 2 GND 0
44
IREF 1.4
12
AGND
0 3 VCC 5
45 OBIN
4
13
LPF20UT 2.4
46
LPIN
4
14
LPF21N 2.4
47
DBC1
4
15 OP20UT
2.4
IC93
-
48
DBC2
4 16
OP21N
2.4 PIN No.
DESCRIPTION
VOLTAGE
49
DBC3
0
17 CC2
0.7
1
OUT 5
50
PSC3
4 18
CC1 0.7
2
VDD 5
51
PSC6 4
19
PEF 2.4 3 GND 0
52
PSC2
4 20
OP11N 2.4
53
PSC5
4 21
OP10UT
2.4
54
PSC1
4 22
LPF10UT 2.4
55
PSC4
4
23
LPF11N 2.4
56
RLC5
3.4
24 vcc
4.7
SERVICE
MANUAL
11