Service manual

Schematic Diagrams
Power 1.8VS/1.5VS B - 39
B.Schematic Diagrams
Power 1.8VS/1.5VS
Sheet 38 of 55
Power 1.8VS/1.5VS
5V
3.3V
5V
PQ 1
MTN7002ZHS3
G
DS
PR310K_04
E N1.8VS
SU SB34, 37
5V
PC 1 0
1u_6. 3 V_ Y 5V_04
PR 1 1 0 K _ 04
PQ22A
AO4932
7
8
1 2
PC 1
0.01u_50V_X7R_04
+
PC 94
*15u_25V_6.3* 4. 4_C
1.8V S_PWRGD
PU1
SC412A
LX
1
BST
2
VCC
3
DL
4
GND
5
RTN
6
N.C
7
N.C
8
FB
9
VOUT
10
PGD
11
EN
12
ILIM
13
N.C
14
N.C
15
DH
16
PA D
17
PL 2
2.5UH_6.5*6. 9*3
1 2
PC4
0.1u_16V _Y5V _04
+
PC95
560u_2.5V _6.6*6.6* 5.9
PR5 10K_1%_04
PQ22B
AO4932
4
3
5 6
PR 2
0_04
PR 6
14K_1%_04
PD1
FM0540-N
AC
PR 4
10K_1%_04
PC8
0.1u_25V _X7 R _0 6
PC3
20p_50V_N PO_04
1. 5VS
VS1.5
5V 11, 19, 25,36,37,39
PC96
4.7u_25V_X5R_08
VI N 1 1 , 22, 34. .37,39,40
PC 2
0.1u_16V_Y 5V_04
1.8VS_P WRGD14
1.8VS
5V
5V
VS1.8
VI N
? ? ? PIN6?
Vout = 0.8V ( 1 + Ra / Rb )
1.5VS
Ra
Rb
1.5A
PJ2
*OPEN-2mm
PCB Footpri nt = JUMP- 2 MM
1 2
3A
2A
Vout = 0.75V ( 1 + Ra / Rb )
(15nF~48nF)
Ra
Rb
1.8VS
3.3V 2,3,12. .14,16,17,19,22, 25, 28,29,35..37,39
1.5VS 18,20,28
1.8VS 6,16,18
PR 9 1 K_ 1% _04
1.5VS _PWRGD
PC9
0.1u_16V_Y 5V_04
PQ 2
MTN7002ZHS 3
G
DS
PJ 1
*OP EN -2 mm
PCB F ootprint = JUMP-2MM
1 2
PC14 0.015u_10V_X7R_04
PC12
1u_10V_06
PC13
0. 1u_16V _Y5V _04
PC 6
* 10u_6. 3V_X5R_06
EN1.5VS
PR 11 10K _04
VS 1 . 8
PR810K_04
PC7
10u_6.3V_X5R_06
PC5
10u_6.3V _X5R_06
1 . 5 V S_ PW R GD14
SU SB34,37
PR 1 0
1.15K_1%_04
PU 2
OZ 803 3
GND
1
VCNTL
6
VOUT
3
VI N
5
VOUT
4
VFB
2
PO K
7
EN
8
VI N
9
PC 15
1u_6.3V_Y 5V_04