Sony D-CJ01 Service Manual page 20

D-CJ01
IC Block Diagrams
z
IC301 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 TB2119FA
60
61
VLGO1
R-2
LIL 62
PGND1 63
L1H 64
VIN 65
L2H 66
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
VCPU
APCREF 79
80
VIHDET
1 2 3 4
20
PWR MUTE MUTE
SW SW TC BEEP GND
20 19 18
17 16
BEEP
PW MT
SW SW
OUT B OUT A
PW
PW
PW
C
A
B
6 7 8 9
5
VCC ROUT VREF LOUT PWR
GND
59 58 57 56 55 54 53 52 51
VREF
VCC1
SUB VREF
SAWTOOTH
VIN
VREF
SAWTOOTH
VREF
SAWTOOTH
STANDBY
REFERENCE
R-3
VCPU
1/2 VREF
BANDGAP
REFERENCE
(VREF)
R-5
VG
VREF
5 6 7
IC501 BA6779BFV-E2
ATT
RIN LIN SW
RFI 1
15 14 13
ALC ALC
ATT
VC 2
SW
IN2+
3
IN2- 4
5
IN3+
ALC
DET
IN3-
6
10 11 12
MIX ALC ALC
OUT IN DET
OFFADJ 7
GND 8
50 49 48 47 46
VREF
R-1
VCPU DCIN
R-6
VREF
CONTROLLER
VREF
VCPU
S-2
SAWTOOTH
SAW GEN
S-3
CLK
OR OSC
BIAS
S-1
CLK
INTERFACE
8 9 10 11 12 13 14 15
V-I
–
+
–
+
+
V-I
V-I
–
+
–
+
+
V-I
RF BIAS
STB CTL GAIN CTL
ADJUST
45 44 43 42 41
H BRIDGE
DRIVER 1
CONTROL
CHARGE
CHG ON/OFF
H BRIDGE
DRIVER 2
LEVEL
SHIFTER
D-1 to 4
H BRIDGE
DRIVER 3
H BRIDGE
DRIVER 4
D-5
LEVEL
SHIFTER
PWM
H/P
DRIVER
MUTE
CONTROLLER
16 17 18 19 20
16 AVDD
15 RFO
14
IV2-
IV2+
13
12 IV3-
IV3+
11
10 GCNT
XSTBY
9
F01
40
39 NGND1
38 R01
37 VD12
36 F02
35 MGND2
34 R02
33 VD23
32 F03
31 MGND3
30 R03
29 VD34
28 F04
27 MGND4
26 R04
25 HPOUT1
24 HGND
23 HPOUT3
22 VHP
21 HPOUT2