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Ic Block Diagrams - Sony D-E660 Service Manual

Portable cd player
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D-E660/EJ610/EJ611/EJ613/EJ615/EJ616CK

IC Block Diagrams

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IC302 TA2120FN (EL)
BST
BB
BIAS
OUT
SW
IN
BIAS
24
21
23
22
BIAS
ADD
B
BST
ADD
A
PWC
SW
1
2
3
4
BST
ADD
RF IN OCL
NF
OUT
SW
IC401 TB2119F
VLGO1
61
R-2
LIL
62
PGND1
63
L1H
64
VIN
65
L2H
66
PGND2
67
L2L
68
R-4
69
VLGO2
70
PGND3
L3
71
VLG3
72
CNP3
73
VREF
74
INM3
RF3
75
DTC3
76
RF21
77
R-4
PAPC
78
APCREF
79
VINDET
80
1
2
3
8
PWR
MUTE MUTE
SW
SW
TC
BEEP
20
19
18
17
BEEP
PW
MT
SW
SW
OUT B
OUT A
PW
PW
PW
C
A
B
7
6
8
5
VCC
ROUT VREF
LOUT
60
59 58 57 56
55
54 53 52 51
VREF
SUB VREF
SAWTOOTH
VIN
VREF
SAWTOOTH
VREF
SAWTOOTH
STANDBY
REFERENCE
R-3
VCPU
1/2 VREF
BANDGAP
REFERENCE
(VREF)
R-5
VCPU
VG
VREF
4
5
6
7
ATT
GND
RIN
LIN
SW
16
15
14
13
ALC
ALC
ATT
SW
ALC
DET
11
9
10
12
PWR
MIX
ALC
ALC
GND
OUT
IN
DET
50
49 48
47
46
R-1
VCC1
VCPU DCIN
R-6
VREF
VREF
VCPU
S-2
SAWTOOTH
SAW GEN
S-3
CLK
OR OSC
BIAS
S-1
CLK
INTERFACE
8
9 10 11
45
44
43
42 41
VREF
CONTROL
CHARGE
CHGON/OFF
OEB
LEVEL
SHIFTER
CONTROLLER
D-1 to 4
D-5
LEVEL
SHIFTER
MUTE
CONTROLLER
12 13 14 15
16 17 18 19 20
40
F01
H BRIDGE
39 NGND1
DRIVER 1
38 R01
37 VD12
36 F02
H BRIDGE
35 MGND2
DRIVER 2
34 R02
33 VD23
32 F03
H BRIDGE
31 MGND3
DRIVER 3
30 R03
29 VD34
28 F04
H BRIDGE
27 MGND4
DRIVER 4
26 R04
25 HPOUT1
24 HGND
PWM
H/P
23 HPOUT3
DRIVER
22 VHP
21 HPOUT2

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