Vccnb, 1.5V, 1.05Vs, M_Btn - EUROCOM T890M Service Manual

VCCNB, 1.5V, 1.05VS, M_BTN

5V
P R54
* 100K _1% _04
P Q24
S U SB G *2N 7002W
25,27 SU S B
PR 55
1_5V S OK
0 _04
3 . 3 V
P R115
100K _1% _0 4
A LL_P W RGD
23 A LL_P W RGD
5V
25,27 S US B
5V
E N_1 . 0 5V
P D6
P C1 17 F M 054 0- N
PR 114 18K _1% _04
8
P C116
P U4 .1U_ 50V_ 06
S C412A
12 1 Z 2726
E N LX
11 2 Z 2724
P GD BS T
Z2 732 10 3
V OUT V CC
9 4 Z 2725
F B DL
3
17
P A D
P C134
1U_ 6.3V_X 5R_04
PC 147 P R 130
P R12 5
0_0 4
8/21
P C13 1 P R 131
D0 3 0401
V1.8
PU 1
2.0A
P R 1 10K _04 5 6
3.3V S V I N VC NT L
9
1_5 VS OK V I N
7 4
P OK V OUT
3
PR 2 180K _1% _04 Z 2721 8 V OUT
E N
0.015U_1 0V_X 7R_04
Z 2722
1 2
D03 0106 GN D V F B
P Q2 PC 1 P C4 P C5 AP 895 3
S U SB G
2N 7002W
D03 0312
D0 3 0106
VIN
P C145 P C137
P Q4 1A
A O493 2
8 /21
1.05V S
P L3 V 1.05 PJ10
P CM B 053T _1.5UH 3 .5A 1 40 Mils
1 2 1 2
2m m
P R110 P C80 P C97
P Q4 1B
10_1 %_ 04
A O493 2
P C106
.001U_5 0V_ X 7R_04
5V
P C2 8/21
1U_6 . 3 V_X 5 R_04
V 1.5 1.5V S
P J1
2m m
2.5A 100 Mi ls
1 2
P C7
P C3 PC 6
C428
P R3
+
1K _1% _04
P R4 220UF M 4V D
3.3V S 2,6,7,9,11..23,25,28
5V 9,13,14,19..21,24,25,27,28
1.15K _1% _04
1.5V S 2,4,6,7,9,14,15
3.3V 3,7,9,13..15,17..19,21,23,25,27
V DD3 3,6,7,14,20,22..25,29
1.05V S 2..5,7,9, 2 5
D02 1023
5V S 9,13,16,18..21,25
V I N 1 24,25
V I N 13,24,25,27..29
V A 25,29
Schematic Diagrams
Sheet 26 of 31
VCCNB, 1.5V,
1.05VS, M_BTN
VCCNB, 1.5V, 1.05VS, M_BTN B - 27