Aiwa XP-MP3 Service Manual page 21

IC BLOCK DIAGRAM - 3/3
IC, S8324A33MC-EON-T2
IC, AK4352VT
LRCK
BCK
DATA
IC, TA2120FN
CNT
5
SOFT
START
1
SW
(ON/OFF)
DIF0 DIF1
6 7
5
Serial Input
3
Interface
4
Interpolator
Interpolator
Clock Divider
2 1
RST MCK CKS
BST BST BIAS
BIAS
OUT SW IN
24 23 22 21
BIAS
ADD B
BST
ADD A
PWC
SW
1 2 3 4
BST ADD RF IN PWC
NF OUT SW
NC
3
VREF
PWM
CONTROL
EMPH
8
De-emphasis
Control
∑
8x
Modulator
∑
8x
Modulator
16
PW MT MT BEEP
SW SW TC
20 19 18
PW MT
SW SW
OUT B
PW
PW
C
B
5 6 7
VCC OUT R OUT C OUT L
-21-
VOUT
2
4 GND
VDD GND
10 9
15
LPF 14
LPF 13
12
11
VREF
GND IN R IN L
IN
17 16 15 14
BEEP ALC ALC
OUT A
PW
A
8 9 10 11
PWR MIX ACL
GND OUT IN
VCML
OUTL
OUTR
VCMR
ATT
SW
13
STT
SW
ALC
DET
12
ACL
DET