Audio Amp Ic Function - JVC GR-DVA10 Technical Manual

2.5.9 Audio AMP IC function

1. Audio AMP (IC2201: AK4560VQ) pin locations and block diagram
E Q _ N _ R
4 9
P R E _ O _ R
5 0
P R E _ N _ R
5 1
M P W R 3 . 3 V
5 2
E X T
EXT MIC Rch
5 3
INT MIC Rch
5 4
M R F
5 5
M V C M 2 V
5 6
G N D ( M V D D )
5 7
M V D D
5 8
INT MIC Lch
5 9
EXT MIC Lch
6 0
E X T
M A B I A S 2 V
6 1
P R E _ N _ L
6 2
P R E _ O _ L
6 3
E Q _ N _ L
6 4
Fig. 2-5-8 Audio AMP (IC2201: AK4560VQ) pin locations and block diagram
4 8 4 7 4 6 4 5 4 4 4 3
O N
H P F
O F F
I N T
E X T
I N T
M I C
L I N E
R c h A L C A M P
L c h A L C A M P
M I C
I N T
E X T
I N T
H P F
O N
O F F
1 2 3 4 5 6
4 2 4 1 4 0 3 9 3 8
A/D Converter
D/A Converter
M I X
M I X
L I N E
B E E P
V O L .
7 8 9 1 0 1 1
2-35
3 7 3 6 3 5 3 4 3 3
Control
Clock
Register
Divider
I/F
H P F
Audio I/F
Controller
B E E P
S I G S I G
M I X
V O L .
A V R
O U T
1 2 1 3 1 4 1 5 1 6
C S
3 2
D A T A
3 1
S D T I
3 0
S D T O
2 9
G N D ( V D )
2 8
V D 3 V
2 7
A _ M U T E
2 6
H P O U T L c h
2 5
H P O U T R c h
2 4
H V D D 4 . 8 V
2 3
H V C M 2 . 4 V
2 2
L I N E O U T R c h
2 1
LINE IN Rch
2 0
LINE OUT Lch
1 9
LINE IN Lch
1 8
SP IN
1 7