-35-
IC BLOCK DIAGRAM -1/1
IC, LC74793
IC, FAN8082
IC, LA71598HM
IC, TDA9605H
31
28
BUF
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW9
SW8
V OUT1
Vcc1
Vcc2
TUN-V
30
1
2
4
6dB
600 Drive
600 Drive
6dB
0,2,4,6dB
0,2,4,6dB
0,2,4,6dB
V OUT2
E1-V
29
3
V OUT3
E2-V
27
5
BUF
0.12dB
0.12dB
L OUT1
EXT-V
26
24
L OUT2
TUN-L
25
10
L OUT3
E1-L
23
8
BUF
R OUT1
E2-L
22
6
R OUT2
EXT-L
21
20
R OUT3
13
PORT1
15
34
19
PORT2
11
FS
GND2
GND1
TUN-R
16
E1-R
14
12
E2-R
EXT-R
7
BIAS
9
MUTE
32
SDA
33
SCL
75 Drive
75 Drive
600 Drive
0,2,4,6dB 600 Drive
BIAS
I
2
C LOGIC
DRIVER OUT
PRE DRIVER
1
2
3
4
GND
VO1
VCTL
VIN1
8
7
6
5
VO2
PVCC
SVCC
VIN2
TSD
BIAS
LOGIC SWITCH
IC,LA71598HM
IC,STR-G6351L
IC,TDA9605H
IC,STR-G6351L
IC, MM1443XJ