Sony D-FJ61 Service Manual page 20

QQ
3 7 63 1515 0
IC401 TB2119F
60 59 58 57
VLGO1 61
L1L 62
PGND1 63
L1H 64
VIN 65
L2H 66
PGND2 67
L2L 68
VLGO2 69
PGND3 70
L3 71
VLG3 72
INP3 73
INM3 74
TE
L 13942296513
75
RF3
DTC3 76
77
RF21
PAPC 78
79
APCREF
VINDET 80
1 2 3
IC302 TA2120FN(EL)
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56 55 54 53 52
STNBY
REFERENCE
BANDGAP
REFERENCE
(VREF)
4 5 6 7 8 9
BST BST PW
BIAS
OUT SW BIAS SW
IN
24 20
23
21
22
BIAS
PW
SW
ADD
B
BST
ADD
A
x ao
y
PWC
SW
i
2
1 3 4
BST ADD RF IN PWC VCC
NF OUT SW
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8
51 50 49 48 47
CONTROLLER
SAW GEN
CLK
OR OSC
BIAS
Q Q
3 6 7 1 3
INTERFACE
10 11 12 13 14
MT MT BEEP
SW TC GND IN B
IN
19 18 17 16
ALC
BEEP
MT
SW
OUT B
OUT A
PW
PW
PW
C
B A
u163
.
8
7 9
5 6
OUT B OUT C OUT A PWR MIX
GND OUT
— 28 —
2 9 9 4 2 8
46 45 44 43 42 41
H BRIDGE
DRIVER1
CONTROL
CHARGE
H BRIDGE
DRIVER2
LEVEL
SHIFTER
H BRIDGE
DRIVER3
H BRIDGE
DRIVER4
1 5 0 5 8 2 9 9 4
LEVEL
SHIFTER
CONTROLLER
PWM
H/P
DRIVER
15 16 17 18 19 20
ATT
IN A SW
15 13
14
ALC
ATT
SW
m
co
ALC
DET
11 12
10
ALC ALC
IN DET
9 9
FO1
40
39 MGND1
38 RO1
37 VD12
36 FO2
35 MGND2
34 RO2
33 VD23
32 FO3
31 MGND3
30
RO3
29 VD34
28
FO4
27 MGND4
2 8 9 9
26
RO4
25 HPOUT1
24
HCND
23 HPOUT3
22
VHP
21 HPOUT2