14
14
D-NE004/NE005/NE0050/NE006
D-NE004/NE005/NE0050/NE006
• 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
30k
DC/DC
CONVERTER
–
+
–
+
VG
CONV
VSYS
REG
PRE-DR
VSYS
DETECT
SLED
TRK
9
VREF
11
FIL1
12
FIL2
13
FIL3
14
DPG1
16
TRK–
TRK+
19
20
FIL4
15
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
–
–
+
MUTE1
–
+
8
30k
–
+
–
+
–
+
–
+
30k
–
+
FOCUS
10
PRE-DR
PRE-DR
PRE-DR
FO+
18
FO–
17
IC601 BU9541AKV
MP3
&
ADPCM
CORE
X8 OVER
SAMPLING
DIGITAL FILTER
DIGITAL
SIGNAL
PROCESSOR
DIGITAL
SERVO
SIGNAL
PROCESSOR
16K SRAM
SERVE
SIGNAL
GENERATOR
RF
SIGNAL
GENERATOR
APC
D CLASS HP
AMPLIFIER
PLL
LINE
AMPLIFIER
1 BIT DAC
AVDD1
AC
BD
VBIAS
AGND1
E
F
PD
LD
ASY
PCO
FCO
FDOUT
TDOUT
SDOUT
CLVOUT
RCLK
RCKE
A13
A12
A11
A10
A09
A08
A07
A06
A05
A04
A03
A02
A01
A00
VDD_CORE1
DGND
RASX
CASX
WEX
LDQM
UDQM
DQ07
SUBSYQ
BUSY
MCK
DIN/DOUT
VDD_CORE2
DQ00
DQ01
DQ02
DQ03
DQ04
DQ05
DQ06
DVDD1
R/W
XI
DGND2
TEST
RESETB
CLK
CLK88
EQO
RFI
ANA_MONI1
ANA_MONI0
AD_MONI1
AD_MONI0
VDD_RD
HPRDACO
VSS_RD
VSS_LD
HPLDACO
VDD_LD
AVDD2
RDACO
VCDAC
LDACO
AGND2
FLAG0
DVDD2
XO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
80
79
78
77
76
75
74
73
72
71
70
69
54
53
52
51
49
46
45
44
68
67
66
65
64
63
62
61
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
43
42
41
47
48
50
60
59
58
57
55
56
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
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