13
D-EJ011
• IC Block Diagrams
IC301 BH3544F-FE2
+
6
7
5
8
+
2
1
3
4
OUT 1
XMUTE
MUTE
IN 1
GND
VCC
OUT 2
BIAS
IN 2
BIAS
TSD
6dB
6dB
90k
90k
IC401 BH6575FV-E2
EO
SYSTEM
ON
OSC
SYSTEM
OFF
CLK
30k
30k
DC/DC
CONVERTER
–
+
–
+
–
+
VG
CONV
VSYS
REG
PRE-DR
VSYS
DETECT
OFF
2
MUTE34
4
CLK
3
MUTE1
5
RESET
6
CL
V
7
SLED
TRK
9
VREF
11
FIL1
12
FIL2
13
FIL3
14
DPG1
16
TRK–
TRK+
19
20
FIL4
15
WP
1
40
SPIND–
SLED+
SLED–
PVCC
24
23
22
21
SPIND+
25
SPR
T
27
DPG2
26
SOFT
28
DCIN
30
CT
29
REGO
32
REGB
31
PRGND
33
PGND
34
VG
36
LG
35
VSYS
38
SW
37
EI
39
MUTE34
–
–
+
RESET
MUTE1
–
+
8
30k
–
+
–
+
–
+
–
+
30k
–
+
FOCUS
10
PRE-DR
PRE-DR
PRE-DR
FO+
18
FO–
17
Summary of Contents for CD Walkman D-EJ011
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