Service manual

Schematic Diagrams
B - 30 +1.8V, 0.9V, +1.5V
B.Schematic Diagrams
+1.8V, 0.9V, +1.5V
+VDD5
CGND1
+VDD5
+VDD5
CGND1
+0. 9V
CGND1CGND1
VI N
CGND1
CGND1
+VDD3
CGND1
+0.9V
+3V
+VDD3
CGND1
+0. 9V
+1. 8V
+3V
+5VS +2. 5VS
SUSB#16,20,23,25,32
+0. 9VOK 16
+0.9V 12, 13
+VDD3 3,15,16,20,23,25,26,30,31,32,34
VIN 24,25, 30,31,32
+3VS 2, 3,6,9,11,12,13,14,16,17,18,19,20,21,23,24, 25, 26,27,28, 30, 32, 33, 34
DDON20,23,25,30,32
DDON20,23,25,30,32
+1. 8VOK 16
+2.5VS 9, 16,24
+1.8V 6,8,12,13
+VDD5 14,23, 26,27,30,32,34
+3V 15,16, 17, 20, 21, 23,25,28,30,34
+5VS 16, 17, 18,22,23,24,25,27, 30, 32,33,34
Z2909
Z2901
Z2913
VTTEN
VTTEN
+1.8VOK
Z2906
+0. 9VOK
Z2912
EN 1.8V
Z2919
Z2905
Z2907
Z2915
Z2911
Z2921
Z2920
Z2908
Z2918
Z2902
+1. 8VOK
10A
EN 1. 8V
Z2917
Z2910Z2903
Z2916
Z2904
Z2922
Z2925
Z2923
PC67
10UF_12
PR67 *10K
PR139 2.2
PR68
0
PC68
10UF_12
PC139
0.22U F
PC71 0.1UF
PC77
0.1U F
PD12
SM240A
A C
PR135 0
PL8
2.2U H
1 2
PQ11
NTMS4706N
4
62 73 8 5
1
Q13
3904
B
E
C
PC140
*0.1UF
Q14
3904
B
E
C
PR125
10K
PR131
*10K
U14
NCP5214
1
2
3
4
15
6
8
5
14
10 9
16
17
20
18
19
21
22
12
13
7
11
VDDQEN
VTTEN
FPWM#
SS
PGOOD
VTT
FBVTT
VTTGND
VTTREF
DDQREF AGND
OCD DQ
BOOST
VCCP
TGD DQ
SWDDQ
BGDDQ
PGND
COMP
FBDDQ
VTTI
VCCA
R225
10K
PC137
0.1U F
R226
10K
PR70 7.15K_1%
PR127
*10K
PU3
CM1117CM223
3
1
2
Vin
Gnd/Adj
Out
PC29
4.7U/10V_08
PR47
10K_1%_04
PC66
0.1UF
PC30
10U/25V_12
PR48
10K_1%_04
PR69 0
PC73
0.1UF
PR130
10K
PD11
RB751V
AC
+
PC74
47U/6.3V_V
+
PC63
330U/ 2.5V_V
PC144
0.1U F
PR138
3.3K_1%_04
PR133 * 10K
PC72 0. 1UF(X7R)
PQ10
NTMS4117N
4
62 73 8 5
1
PC65
0.1UF
PR128 10K
PQ13
2N7002
G
DS
PQ15
2N7002
G
DS
PC138
0.1u
PR71 6. 2K_1%
PR66 1K
PR126
10K
PC76 2200p
+
PC64
*330U/2.5V_V
PR140
*3.3_1206
PC142
1UF
PC145
*1000P
PR129 10K
PR141
0
PJ8
OPEN_3A
12
PR136
130_1%
PR137
4.3K_1%_04
PC69
10UF_12
PQ12
2N7002
G
DS
PQ14
2N7002
G
DS
PJ7
OPEN_10mil
12
PC70
4.7UF_08
PJ6
OPEN_10mil
12
PC75 100p
PR134
10k
PJ3
OPEN_10A
12
PR132
10K
PC143
4700p
PC141
1UF
2A
PIN 23=GND
1A
2/27-06
Sheet 29 of 40
+1.8V, 0.9V, +1.5V