Service manual

Schematic Diagrams
+VDD3, +VDD5, +3V, +5V B - 29
B.Schematic Diagrams
+VDD3, +VDD5, +3V, +5V
7
8
1 2
Q31A
SP8K10S
4
3
5 6
Q31B
SP8K10S
7
8
1 2
Q64A
SP8K10S
4
3
5 6
Q64B
SP8K10S
Z2821
Z2801
Z2818
Z2803
Z2814
Z2824
Z2825
Z2805
Z2802
Z2810
Z2812
Z2823
Z2804
Z2817
Z2813
Z2815
C662
10u_12
R492 15K_04
R478
1M_04
R487 107K_1%_04
G
DS
Q73
2N7002W
Z2828
AC
D41
RB751V
AC
D44 SCS551V
C669 *30p_04
C646 0.1u
R484 10_04
C E
B
Q67
DTA114EUA
R517
1M_04
1 2
L39
4.7uH
RUN/SS2
R482 10_04
R491 *0_04
C696
0.1u_04
Z2809
C675
0.01u_04
4A
R480 10_04
1 2
PJ8 4mm
C673
10u_12
+
C384
220u/6.3V_V
C660
1000p_04
C386
10u_12
+5V
C668 220p_04
A C
D45 SCS551V
C645
1u/10V
C659
1u/25V_08
Z2811
C648
0.1u
R499
10m_12
1 2
L36
4.7uH
R471
10_04
Z2822
C666
0.01u_04
C658
*1000p_04
AC
D42 SCS551V
A C
D43 SCS551V
C663
10u_12
1 2
PJ4 4mm
C664 *180p_04
Z2806
RUN/SS1
28
SENSE1+
30
SENSE1-
31
VOSENSE1
1
PLLF LTR
2
PLLIN
3
FCB
4
ITH1
5
SGND
6
SW2
15
BOOST2
17
TG2
14
PGN D
19
INTVCC
20
EXTVCC
21
BG1
22
VIN
23
BOOST1
24
PGOOD
27
BG2
18
3.3VOUT
7
ITH2
8
VOSENSE2
9
SENSE2-
11
SENSE2+
12
RUN/SS2
13
SW1
25
TG1
26
NC
32
NC
29
NC
10
NC
16
U45
LTC3728LXCUH
C387
10u_12
R488 20K_1%_04
12
PJ9 2mm
C647
4.7u/10V_08
R485
63.4K_1%_04
C615
0.1u_04
R437
10m_12
+
C686
220u/4V_V
R486
20K_1%_04
G
DS
Q32
2N7002W
C712
0.1u_04
Z2808
C649
0.01u/25V
R483 10_04
C650
0.01u/25V
C652
0.022u/25V
RUN/SS2
Z2816
C655
1000p_04
C667 *30p_04
C707
2200p_04
G
DS
Q69
2N7002W
G
DS
Q66
2N7002W
C626
0.1u
R475 0_04
R531 1M_04
R490 0_04
3
2 4
1
5
6
Q30
NTGS4141N
C653 0.01u/25V
R522
200K_04
C674 220p_04
3A
Z2819
R493 15K_04
R476 1M_04
C651
0.1u
AC
D40
RB751V
3
2 4
1
5
6
Q65
NTGS4141N
R532 100K_04
21
JP1
JUMP
C665
0.01u_04
3.3VOUT27
DD_ON#30
DD_ONH 30
SYS5V
SGND4
INTVCC2
DD_ON23
+VD D5
+VIN
SGND4
SGND4
SGND4
+3V
+VIN1
SYS5V
SYS5V
Z2807
+5VSY S5VSYS3V
SYS10V
SYS5V
SYS3V
SYS15V
SYS10V
SYS15V
+VDD3
DD_ON#DD_ON#
R558
*1M_04
Z2826
+3V 13,16,24,25,26,29,30,31
+5V 18,24,26,29,30,31
Z2829
3A3A 3A
R470 0_04
EN_15V
Z2831
R489 0_04
Z2832
RUN/SS2
+VDD3 13,14,15,16,17,20,27
+VDD5 13,14,17,19,27
SYS5V 30,32
+VIN 23,29,30,31,32
+VIN1 30
TEST 29,30,31
DD_ON#
DD_ON
DD_ONH
TEST
EN_15V
R526 0_04
C724
*0.01u_04
Z2830
Z2827
C385
*0.01u_04
EN_15V
Z2820
R240 0_04
TZ2801
TZ2802
TZ2 805
TZ2 804
TZ2803
3A
PIN 33 = SGND4
Sheet 28 of 34
+VDD3, +VDD5,
+3V, +5V