Sony WM-EX2000 - Page 15

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IC601 LB1994M
DECODER
CTRL
BLOCK
POWER
D/DT PULSE
BUFFER
COMPARATORBUFFERVI
COMPARATOR
SOFT CLIP
CURRENT
AMP
P-SIG
PW•SW
4 5 61 2 97 8
14
15
16
17
18
19
20212224 23252627
30
29
28
36
35
34
33
32
31
WS MC
U IN
3
VCC
V IN
W IN
CTRL1 CTRL2
DIR
VS
US
U OUT
NC
V OUT
W OUT
WT
VT
UT
PGND FC CT2 CT1 IR ICI2 ICI1 I SOFT
M CENTER
GND
VI2
VI1
IV
VC
13
PW
12
CI
11
Vref
10
P SIG
IC703 MM1305BWBE
+
–
+
–
+
–
+
–
1
2
3
4
8
7
6
5
VCC
CE
RIPPLE
GND
OUT 1
OUT 2
OUT 3
OUT 4