D-NE509
22
22
5-8. IC BLOCK DIAGRAMS
IC301 TA2120FN
+
–
+
–
+
–
23
18
17
16
15
14
13
2
3
4
5
6
7
8
9
11
12
1
24
BIAS
BEEP
PW
SW
MT
SW
ALC
DET
ATT
SW
PWC
SW
ROUT
LOUT
BEEP
MUTE
MUTE
BST
PW
B
PW
C
BSTNF
ADDOUT
RF-IN
DCL-SW
ROUT
VREF
LOUT
PGND
MIXOUT
ALCIN
ALCDET
ATTSW
LIN
RIN
GND
PWRSW
BIAS
BIAS_IN
BBSW
BESTOUT
VCC
ADD
A
ADD
B
21
22
PW
A
ALC
ALC
20
19
10
1
VD4
60
FI3
59
RI3
58
FI2
57
RI1
56
FI1
54
DEF
55
RI1
53
VD1
52
FO1
51
MGND1
50
RO1
48
FO2
49
VD12
45
VD23
41
VD3
47
MGND2
46
RO2
44
FO3
43
MGND3
42
RO3
11
VCC3
10
L7
12
VIN
13
L2H
14
PGND1
15
L2L
16
VLG02
17
VCC1
18
VCC2
19
VCPU
21
VCC0
CONTROL
CHARGE
MONITOR
AMP
LOGIC/
MOTOR DRIVER
PRE DRIVER
VG
VCPU
VCC3
VG
9
VG
8
L5
7
MGND5
6
W
5
VD5
4
V
3
MGND4
2
U
80
COM
79
UI
78
VI
77
WI
76
DTC3
75
DTC2
74
FG
73
APWM
72
PWM
71
PGND2
70
XBBK
69
BATM2
68
BATM1
67
CHGMNT
66
INP1
65
CHGSW
61
DCIN
40 LATCH
39 DATA
38 CLOCK
37 WAKEUP
36 OUT4(LD)
35 RSTB
34 SYNC
33 GND
32 INM4(PD)
31 PWG
30 INM2
29 RF2
28 PWS
27 INP2
26 VREF
25 STNG
VCC4
VG
24 INP3
IVREF
23 INM3
22 RF3
21 PWM3
62
RF1
63
RS
VREF
DC IN
VIN
CONRROLLER
64
INM1
LEVEL
SHIFTER
CH1
H BRIDGE
CH2
H BRIDGE
CH3
H BRIDGE
VD4
CLX & OSC
SAW
GEN
VCPU
STANBY
REF
BIAS
BAND GAP
REF
VREF
VCCO
VCPU
VCCO
IC403 TB2138AFG
Summary of Contents for CD Walkman D-NE509
Page 29: ...29 D NE509 MEMO ...