-25-
IC BLOCK DIAGRAM-2/2
IC, LA6541D
IC, M61500
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CONT
VSS
OUT2
TONEL2
TONEH2
QF3
QF4
INB2
INA2
INC2
IND2
INE2
VDD
GND
OUT1
TONEL1
INB1
INA1
INC1
MUTE
Mono.SW
VOL
VOL
Treble
boost
Bass
boost
Bass
boost
Treble
boost
ATT
ATT
Control logic
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299