Ic Block Diagrams - Sony D-SJ15 Service Manual

IC Block Diagrams

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IC302 TA2120FN (EL)
BST BB BIAS
OUT SW IN BIAS
24
23 22 21
BIAS
ADD
B
BST
ADD
A
PWC
SW
2
1 3 4
BST ADD RF IN OCL
NF OUT SW
IC401 TB2119FA
VLGO1 61
R-2
LIL 62
63
PGND1
64
L1H
VIN 65
66
L2H
PGND2 67
L2L 68
R-4
69
VLGO2
PGND3 70
L3 71
VLG3 72
CNP3 73
VREF
INM3 74
RF3 75
DTC3 76
RF21 77
R-4
PAPC 78
APCREF 79
VIHDET 80
1 2 3
PWR MUTE MUTE
SW SW TC BEEP
20 19 18 17
BEEP
PW MT
SW SW
OUT B OUT A
PW
PW
PW
C
B A
6 7 8
5
VCC ROUT VREF LOUT
60 59 58 57 56 55 54 53 52 51
VREF
SUB VREF
SAWTOOTH
VIN
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 13
14
ALC ALC
ATT
SW
ALC
DET
9 10 11 12
PWR MIX ALC ALC
GND OUT IN DET
50 49 48 47 46
R-1
VCC1 VCPU DCIN
VREF R-6
VREF
VREF
VCPU
S-2
SAWTOOTH
SAW GEN
S-3
CLK
OR OSC
BIAS
S-1
CLK
INTERFACE
8 9 10 11
– 22 –
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
F01
40
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