Power 1.8Vs/1.5Vs - EUROCOM X8100 Service Manual

Power 1.8VS/1.5VS

PR 3 10K _04
EN1.8V S
5V
14 1.8V S _PW RGD
P Q1 P C2
G
3 4, 37 S US B
M TN7002ZHS 3 0.1u_16V _Y5V _04
5V
P R2 PC 3
0_04 20p_50V _NP O_04
P C1
0.01u_50V _X 7R_04
PR 8
3 . 3V
1.5V S_P WR GD
14 1.5VS _P WRG D
P R11 10K_04
E N1.5V S
5V
P Q2 P C15
G MTN 7002ZHS3
34,37 S US B
1u_6.3V _Y5V _04
5V
PD 1
P R5 10K_1% _04 FM 0540-N
1.8VS _P WRG D
PU1
SC4 12A PC 8
0.1u_25V_ X 7R_06
12 1
EN LX
P R1 10K_0 4
11 2
PG D B S T
10 3
VO UT VCC
9 4
FB D L
17
P AD
P C10
P R6
Ra
1u_6 . 3V _Y5V _04
14K _1% _04
P R4
Rb Vout = 0.75V ( 1 + Ra / Rb )
10K _1% _04
? ? ? PIN6?
V S1. 8
PC 12
2A
P U2 1u_10V _06
10K _04 5 6
V IN VCN T L
9
V IN
7 4
P OK VOU T
3
VOU T
8
Ra
E N
1 2 P R9
GN D VF B
OZ 803 3 P C14
(15nF~48nF)
PC 9 PC 5
P R10
0.1u_16V _Y5V _04 10u_6.3V_X 5R _06
Rb
1.15K _1% _04
Vout = 0.8V ( 1 + Ra / Rb )
V IN
P C96 P C94
+
4.7u_25V _X 5R_ 08 *15u_25V _6.3*4.4_C
PQ 22A
8 AO 4932
P L2
2.5UH_6.5*6. 9 *3 3 A
1 2
PC 95 PC 4
+
560u_2.5V_6.6*6.6*5.9
0.1u_16V_Y 5V_04
PQ 22B
3 AO 4932
5V
1.5VS
VS 1.5
1.5 A
P J1
1
*OPE N-2mm
P CB Footprint = JUMP -2MM
1K _1%_ 04
0.015u_10V _X 7R_04 P C6 PC 7 PC1 3
*10u _6. 3V _X 5R_ 06 10u_6.3V _X 5R_06 0. 1u _16V_Y 5V_04
V IN 11, 2 2, 34..37,39,40
1.5V S 18,20,28
1.8V S 6,16,18
3.3V 2,3,12..14,16,17,19,22, 25 , 28,29,35..37,39
5V 11, 19 , 25,36,37,39
Schematic Diagrams
1.8VS
VS 1.8 1.8V S
PJ 2
1 2
*OP E N-2mm
PC B Footprint = JU MP - 2M M
Sheet 38 of 55
Power 1.8VS/1.5VS
1. 5 VS
2
Power 1.8VS/1.5VS B - 39