Prestigio Visconte - Power Supply and Audio Circuit Diagrams

B.Schematic Diagrams
Power Board +1.2V, +1.05V
PC115
10u(0805)
PC132
10U/25V_1206_R
PC138
0.1U
GND_FIELD2
Z3904
PC124
10U_0805
GND_FIELD2
PU4
SC1470
1
2
3
4
5
6
7 8
9
10
11
12
13
14
EN/PSV
VIN
VOUT
VCCA
FBK
PGOOD
GND PGND
DL
VDDP
ILIM
LX
DH
BST
PC128 0.1U
PC134
10U/25V_1206
Z3906
PC122
0.01U
Z3903
PC104
220U/2V_D
PR65
10K
1 2
PC133
10U/25V_1206
PR73
14.3K_1%
PR64 10
GND_FIELD2
PQ26B
AO4900
7
2
1
8
PR75 0
PC99 0.1U
Z3908
Z3905
PD22
SCS551V
AC
+VDD5_P
PQ16
2N7002
G
DS
PC136 0.1U
PC39
220U/2V_D
+1.2VS_P 29
PC131
0.01U
Z3909
PR85 20K_1%
SUSB_P26
+VDD5_P
3A
GND_FIELD2
VIN_P 26,27,28,29
Z3901
PC129
0.1u
Z3902
PL7
2.5UH
1 2
PR66
1M
PC123
0.1U
Z3907
GND_FIELD2
VIN_P
PQ26A
AO4900
5
4
3
6
PC130
0.1U
+1.2VS_P
PC102 0.1U
PC107 0.1U
PR72
10K_1%
PC120
47P
PC116
0.1U
+VDD5_P 26,27,29
PC114
0.1U
1
2
Sheet 25 of 31
Power Board +1.2V
TECHNICAL SERVICE MANUAL Prestigio Visconte 125W
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