Service manual
Schematic Diagrams
+1.2VS_ADJ, +1.0V_ADJ B - 35
B.Schematic Diagrams
+1.2VS_ADJ, +1.0V_ADJ
GND_FIELD4
GND_FIELD4
+VIN
GND_FIELD4
GND_FIELD4
GND_FIELD4
GND_FIELD4
+VDD5
+1.0VS_ADJ
GND_FIELD4
+VDD5
+12V
+VIN
+VIN
+VIN [25,26,31,32,33,35]
+5V [17,20,21,23,26,31]
+3VS [2,6,8,11,12,13,14,15,16,17,19,20,21,23,24,26,27,29,30,31]
CORE_VID1[17]
CORE_VID0[17]
CORE_VID2[17]
+1.0VS_ADJ [13]
+VDD5 [2,8,26,31,32,33,35]
+1.0VS_ADJ_PG[26]
SUSB[31,32]
TEST[31,32,33]
+1.2VS [10,13,14,19,32]
DD_ON[18,25,31]
+12V [33]
Z3506
Z3505
Z3507
Z3510
Z3504
Z3502 Z3508
Z3509
Z3513Z3512Z3511
Z3514 Z3519
Z3501
Z3503
Z3518
DD_ON
Z3515
Z3516
Z3517
R78 10K_04
1
H10
C296D185N
2
3
4
5 6
7
8
9
M3
M-MARK1
EP1
SMD118X197R
Q15
2N7002
G S
D
R578
*100K_04
H15
C67D67
H4
C67D67
R77 10K_04
H26
C237D107A
1
H16
MTH296D111
2
3
4
5 6
7
8
9
1
H18
MTH296D111
2
3
4
5 6
7
8
9
R317
*24.9K_1%
H8
C296D111
R3
*49.9K_1%
Q1
*2N7002
G
DS
1
H14
MTH296D111A
2
3
4 7
8
9
R314
*100K_04_1%
Q59
*2N7002
G
DS
C879
10u/25V_12
Q2
*2N7002
G
DS
R7 0
+
C494
220u/4V_V
D25
SCS551V
AC
C2
10u_08
C8
0.1u
Q106
2N7002
G S
D
C11
0.01u_04
C10
0.1u
R10
1.5M
C504
0.1u_04
R319
10K_04_1%
C7
0.1u_04
L26 1.5uH
Q4
RQA130N03
4
62
73
8
5
1
R561
330K_04
+
C493
220u/4V_V
R566
100K_04
C490
0.1u_04
1
H6
C355CH512B296D111
2
3
4
5 6
7
8
9
R5
0
C3
10u/25V_12
M-SO8LP2951
U42
1
2
3
45
6
7
8
OUTPUT
SENSE
SHDN
GNDERROR
5V
FB
INPUT
C492
0.1u
Q5
RQA200N03
4
62
73
8
5
1
R318 10
R564
10K_04
R315
7.87K_1%
U1
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
JOPEN2
OPEN_6A
1 2
R9
6.8K_04
C489
47p
H11
C197B79D79
C509
10u/25V_12
R316 6.49K_1%
C871
1u_08
D1
SCD34
A C
R563
1K_04_1%
C877
0.1u
H24
C367B158D158
H19
C158D158
C873
0.01u_04
H20
C158D158
H1
C158D158
C872
10u/25V_12
H2
C158D158
M14
M-MARK1
R586 0_04
M9
M-MARK1
H23
C367B158D158
M8
M-MARK1
M13
M-MARK1
M12
M-MARK1
H27
C237D107A
M4
M-MARK1
M2
M-MARK1
M10
M-MARK1
M11
M-MARK1
M5
M-MARK1
C9 0.1u_04
M7
M-MARK1
M6
M-MARK1
H25
C237D107A
1
H13
C296D111
2
3
4
5 6
7
8
9
1
H12
C296D111N
2
3
4
5 6
7
8
9
Q19
2N7002
G S
D
1
H17
C296D111N
2
3
4
5 6
7
8
9
C486 0.1u_04
C487 0.1u_04
R562
9.1K_1%
C878
0.1u_04
1
H5
C355CH512B296D111
2
3
4
5 6
7
8
9
H9
C197B79D79
H21
C237D83A
H28
C197B79D79
1
H7
MTH296D111
2
3
4
5 6
7
8
9
H22
C367B158D158
M1
M-MARK1
6A
+1.0VS_ADJ
20mA
7.5K FOR C51MV=1.2V
10K FOR C51M=1.0V
7.87K FOR C51MV=1.16V
Sheet 34 of 44
+1.2VS_ADJ,
+1.0V_ADJ