Service manual

Schematic Diagrams
Power System B - 35
B.Schematic Diagrams
Power System
Sheet 34 of 55
Power System
2
U44
*P 2 8 0 8
VA
1
VIN
2
M_ B T N#
3
INST ANT -O N
4
GN D
5
PW R_SW #
6
DD_ON_LATCH
7
VIN1
8
VIN
VA VIN 1
3.3VS_EN
5VS_EN
Z30 01
MM _ B TN
Z3002
M_BTN# PW R _SW #
DD_ON_LATCH
PW R _S W#
DD_ON_LATCHM_B TN
M_ B T N#
MBTN#
To KBC
ON
5VSSY S15 V
VIN
VA
VDD 5
VDD 3SY S15V
VIN
VD D3
VIN 1
SYS15 V
3. 3 V S
SY S15 V
DD_ON_LATCH 31
R27 4
100K_04
R517
*0_04
Co-l ayout SO P-8
P2808
(2) (1) (8)
(6)
(7)
(3)
SY S15 V
SUSC#14,31,37
SUSC
Q5 2
M TN7002ZH S3
G
DS
R5 1 8
1M_04
ON
ON
ON
TU RN O N
5V, 3V
VDD Q37
6A 6A
Q2 9
M TN7002ZH S3
G
DS
R4 8 3
10 0 K _ 04
D21
SC S355 V
A C
R267
100K_04
R4 8 4
*220_04
Q2 3
DTA114EUA
CE
B
C5 7 3
10u_10V_Y 5V_08
R271
100K_04
Q3 9
IRF8 7 0 7P BF
4
6 2
5
7 3
1
8
Q4 2
IRF7 8 3 2Z TR PBF
4
6 2
5
7 3
1
8
R268
100K_04
R283
*100K_04
C349
0.1u_16V_Y5V_04
PJ6
*OP E N-1 m m
12
R506
220_04
D22
SC S355 V
A C
Q51
MTN7002ZHS 3
G
DS
R270 20K_04
Q2 4
MT N 70 0 2 Z H S 3
G
DS
R48 5
1M _ 04
R4 8 1
10 0 K _ 04
C3 5 0
0.1u_16V_Y 5V_04
C575
0.1u_16V_Y5V_04
C5 7 4
10u_10V_Y 5V_08
Q2 5
MTP3403N 3
G
DS
C57 7
1000p_50V_X7R _04
Q38
MTN7002ZHS 3
G
DS
R272
1M _04
R48 2
1M _ 04
Q50
MTN7002ZHS 3
G
DS
C583
0.1u_16V_Y5V_04
Q26
MTN7002ZH S3
G
DS
C5 8 5
*2200P_50V_04
C5 8 4
10u_10V_Y 5V_08
Q4 9
IRF8 7 0 7P BF
4
6 2
5
7 3
1
8
R269
10K_04
R50 5
1M _ 04
R266 10K _04
Q40
MTN7002ZHS 3
G
DS
Q41
*MTN7002ZHS
3
G
DS
VD DQ
PJ7
*O PEN -1m m
12
1.5VS_CP U
SY S15 V
R2 8 2
1M_04
C57 8
2200p_50V_X7R _04
Q28
MTN7002ZH S3
G
DS
C576
0.1u_16V_Y5V_04
Q27
M TN7002ZH S3
G
DS
M_ B T N#32
70? 9.1A max.
70? 16A max.
SY S15 V22,39
VA40
1. 5 V3,8,9,19,37
VIN11,22,35..40
VDD 312,28,31..33,39,40
VDD 532,39
VIN 139
SU SB#14,20,28,31,36
3. 3 V S3, 8..12,14, 16..24,26..33,35
5VS10,11,19..21,23..27,32,33,35
SU SB 37 ,38
PW R_SW #31
DD _O N31
DD_ON# 39
1.5VS_CPU
Z30 03
ON
TURN ON
5VS/3VS/1.8VS/1.5VS/VTT_MEM
ON
1.5VS_CP UEN
POWER SW
5.5A
TUR N O N
CPU V DDQ
ON
From KBC
10.5A
10.5A
1
5.5A
S3 Power Reduction white paper
1.5VS_CPU3,6