Prestigio Visconte - Power Board +2.5 V, +1.25 V

B.Schematic Diagrams
Power Board +2.5V, +1.25V
+VDD5_P 25,27,29
PR26 100K
+
PC32
220U/4V_D
12
PR14 910K_1%
VDDP_P
PJ3
OPEN_3A
1 2
PC38
10U/25V_1206
1
2
PR9 100K
+1.25VS_P 29
Z2509
Z2504
PC146
100P_R
1
2
PC72
100P
1
2
+VDD5_P
VIN_P
Z2507
PC31 1000P
12
VIN1_P
SUSB_P25
Z2512
PC65
0.1U
12
PD15
SM140A
AC
PQ8
2N7002
G
DS
PR32 10
1 2
Z2515
Z2506
PR17 10K
+1.25VS_P
PJ4
OPEN_7A
1 2
VIN1_P 27,29
VDDP_P
PC34
C_R
1
2
+VDD5_P
PJ2
OPEN_10mil
1 2
PC58
0.1U
1
2
7A
PQ1
2N7002
G
DS
PC69 1U
12
Z2520
PR21 10K
+2.5V_P 29
Z2517
PC84 0.1U
12
PC25 0.1U
Z2522
+
PC51
330U/2.5V_D_R
12
Z2518
PR42
64.9K_1%
12
PR37 0
Z2514
DD_ON#_P27,29
Z2516
PQ12
AO4410
3
4
8
2
567
1
..
G
D
S
D,.D.
,
PR38 0_R
+
PC79
220U/4V_D
12
+VDD5_P
Z2510
PR40
10K_1%
12
PC81
0.1U
1
2
PQ9A
AO4900
5
4
3
6
PJ1
OPEN_10mil
1 2
PR15
0
1 2
Z2505
PC82
1U
1
2
PD24
SM240A_R
A C
PC70
0.01U
1
2
PR39 20K
1 2
PC35
0.1U_R
SC1486
PU2
SC1486ITSTR
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
PGND1
DL1
VDDP1
ILIM1
LX1
DH1
BST1
REFIN
TON2
REFOUT
VCCA2
FBK2
PGOOD2
AGND2 PGND2
DL2
VDDP2
ILIM2
LX2
DH2
BST2
EN/PSV1
TON1
VOUT1
VCCA1
FBK1
PGOOD1
AGND1
Z2511
PR12 750K_1%
VL_P 27
PQ6
2N7002
G
DS
PR43 18K_1%
1 2
PD11
SM140A
AC
PC33 1U
12
PC85 0.1U
Z2501
PC71
0.1U_X7R
1
2
PC74 0.1U
PC61
10U/25V_1206
1
2
PC68
1000P
1
2
PR44 0
3A
PC87
10U/25V_1206
1
2
PC19
0.1U
1
2
Z2502
Z2513
Z2519
SUSB#_P29
Z2521
PC24 0.1U
PC26 1000P
12
VL_P
Z2503
+2.5V_P
PC66 1U
12
PC54
10U/25V_1206
1
2
Z2508
DD_ON#_P
VIN_P 25,27,28,29
PQ9B
AO4900
7
2
1
8
PQ13
AO4408
3
4
8
2
567
1
..
G
D
S
D,.D.
,
PL3
4.7uH_BCRH124
1 2
PR20
10K_R
PR41
16.2K_1%
12
PC86 0.1U
+
PC7
330U/2.5V_D
12
PL6
2.5UH
1 2
PR36
9.76K_1%
12
PC20
0.01U
1
2
Sheet 26 of 31
Power Board
+2.5V, +1.25V
TECHNICAL SERVICE MANUALPrestigio Visconte 125W
27