Service manual

Schematic Diagrams
+2.6V, +1.3V, +1.2V B - 33
B.Schematic Diagrams
+2.6V, +1.3V, +1.2V
GND_FIELD2
+VDD5
+VIN
+1.2VS
+VDD5
+VDD5
+VDD5
+VDD5
VDDQ
GND_FIELD1
GND_FIELD1
+1.3V
GND_FIELD1
GND_FIELD1
+3V
GND_FIELD1
+VDD5
GND_FIELD1
+VDD5
GND_FIELD1GND_FIELD1
VDDQ
+2.6V
+VIN
+VDD5 [2,8,26,31,33,34,35]
+VIN [25,26,31,33,34,35]
+1.2VS [10,13,14,19]
+1.3V [3,4,7]
+2.6V [2,3,4,5,6,7,14,31]
+1.2VS_PG[26]
SUSB[31,34]
VDDIOFB_L [4]
SUSC[31]
TEST[31,33,34]
SUSB[31,34]
VDDIOFB_H [4]
+3V [4,15,17,18,19,20,21,22,26,28,31,33]
Z3323
Z3316
Z3321Z3317
Z3319
Z3320
Z3322
Z3324
Z3318
Z3328
Z3304
Z3315
Z3332
Z3309
Z3301
Z3305
Z3325
Z3306
Z3307
Z3327
Z3308
Z3326
Z3314
Z3312 Z3313
Z3310
Z3329
Z3331
Z3311
Z3330
Z3303
R188
*100K_04
Q78
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R175
3.32K_1%
R584
0_04
R172 10K_04
C274
*0.1u_04
Q35
2N7002
G S
D
C277
1u
+
C634
150u/4V_B
+
C633
*150u/4V_B
J10
12
C265
1u
C281
0.1u
R378 *100K_04
R170 *0
R171 0
C631 0.1u_X7R
C627 4.7n
Q28
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R166
7.15K_1%
R377 0
R162
17.8K_1%
R190 *10K_04
D39
1SS355
AC
C267
1u
U27
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
OCDDQ
BOOST
VCCP
TGDDQ
SWDDQ
BGDDQ
PGND
COMP
FBDDQ
VTTI
VCCA
C632 100p_04
R189 0_04
Q33
2N7002
G S
D
R150
10K_04
L35 2.5uH1 2
C266
0.1u
C645
1u
R164 7.32K_1%R179 2.2
R167
4.7
C248
0.1u_04
C630
1u
R376 130
C628
2.2n
D14
SM340A
A C
C639
1u
+
C261
*330u/3V_D
12
C626
0.01u_04
12
J8
1 2
Q29
RQA200N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
R379 0
C624
0.1u_04
12
+
C260
*330u/3V_V
12
C255
10u/25V_12
R141
6.8K_04_1%
C254
10u/25V_12
C256
0.1u
R366
10K_04_1%
C191
150u/4V_B
J3
1 2
C606
47P
C600
0.1u
C194
150u/4V_B
U13
SC1470
1
2
3
4
5
6
7 8
9
10
11
12
13
14
EN/PSV
VIN
VOUT
VCCA
FBK
PGOOD
GND PGND
DL
VDDP
ILIM
LX
DH
BST
R363 6.49K_1%
R365
14K_1%
C244
10u_08
C572
0.01u_04
L32
2.5UH
1 2
R137
1M
D11
SCS551V
AC
R153 10
C576
10u_08
C237 0.1u_04
C231
0.1u
C220
0.1u
C575
0.1u
C602
0.1u
C589
10u/25V_12
C230 0.1u_04
C594
0.01u_04
C212
10u/25V_12
R362 0
R174 *0
D30
SM340A
A C
+
C619
220u/3V_D
12
Q79
RQA130N03
3
4
8
2
5
6 7
1
..
G
D
S
D,
.D.
,
Q37
*2N7002
G S
D
Q38
*2N7002
G S
D
R180 *100K_04
+1.2VS
GND_FIELD2
GND_FIELD2GND_FIELD2
GND_FIELD2
5A
3A
2.5A
8A
+2.6V,+1.3V
PIN 23=GND
1118
Sheet 32 of 44
+2.6V, +1.3V, +1.2V