– 54 –
IC703 BA6898S
IC790 BA6418N
LEVEL SHIFT
DBUF.
DBUF.
R +TR
T –
T +
GND
NC
VCC
VREF
TIN
F –
F +
FIN
RST
REGB
REGC
MUTE
GND
SL +
SL –
VREF
SPI
SPO
GND
SP+
SP–
R +SP
SPIN
GND
NC
28
SLIN
29
RNC
30
VCC
31
GND
32
4
3
2
1
27
26
25
24
23
20
19
18
17
5
6
7
8
9
10
11
12
13
14
15
16
LEVEL SHIFT
OP-AMP
DBUF.
DBUF.
22
21
LEVEL SHIFT
DBUF.
BIAS
100
100
10K
10K
10K
13.3K
13.3K
13.3K
13.3K
10K
50K
50K
DRIVER-MUTE
DBUF.
LEVEL SHIFT
REGULATOR
BIAS
T. S. D
MONITOR
REGULATOR
DBUF.
DBUF.
3
4
5
6
7
9
1
8
T.S.D.
6.8K
20K
12K
20K
12K
6.8K
CONTROL LOGIC
DRIVER
GND
INPUT2
GND
NC
VCC
OUT1
GND
OUT2
INPUT1
2