Sony D-F20 Service Manual page 23

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3 7 63 1515 0
IC401 TB2125F
VLGO1 49
VG
L1L 50
VG
PGND1 51
VG
L1H 52
VG
VIN 53
STNG 54
BATM1 55
56
BATM2
57
CHGMNT
58
VREF
RF21 59
VCPU
60
PAPC
TE
L 13942296513
APCREF 61
VREF
VCPU
VINDET 62
RF2 63 VREF
VCPU
INM2 64
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48 47 46
VREF
VCPU
R-2
VCPU
VIN
SUB VREF
VCPU
VIN
SAW TOOTH
VCPU
STANDBY
REFERENCE
VCPU
R-4
VCPU
VCPU2
VCPU
VIN
1/2 VREF
VCPU
BANDGAP
REFERENCE
(VREF)
VCPU
VG
R-5
VCPU
VG
1 2 3 4 5
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45 44 43 42 41 40 39
DCIN
DCIN
VG
R-1
VCPU2
VCC1 VCPU VCPU
SUB VREF
R-6
VREF
VREF
DCIN
DCIN
VCPU2
VREF
CLK VCPU
S-2
SAW TOOTH
SAW GEN
S-3
VCPU
Q Q CLK
3 6 7 1 3
OR OSC
VCPU
BIAS
VCPU
S-1
CLK
INTERFACE
VCPU2
VCPU
6 7 8 9 10
u163
.
2 9 9 4 2 8
38 37 36 35 34 33
VREF
DCIN
CONTROL
CHARGE
CHGON/OFF
VG
OEB
LEVEL
SHIFTER
CONTROLLER
D-1 to 4
1 5 0 5 8 2 9 9 4
D-5
11 12 13 14 15 16
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co
D-F20
9 9
32 FO1
H BRIDGE
31 MGND1
DRIVER 1
30 RO1
29 VD12
28 FO2
H BRIDGE
27 MGND2
DRIVER 2
26 RO2
25 VD23B
24 VD23A
23 FO3
H BRIDGE
22 MGND3
DRIVER 3
21 RO3
2 8 9 9
20 VD34
19 FO4
H BRIDGE
18 MGND4
DRIVER 4
17 RO4
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