System Power - Skyworth 6M61S Service Manual

5
Connetor
D
CN1
1 BL-ON/OFF
2
BL-ADJUST
3
4 FB7 0R/0402/5%/NC
STANDBY
5
6 FB5
+5V_Standby
7
0R/1206/5%/NC
8
9
+12V_PWR
10
11
12
13
14
CON14/PIN=2.5MM
FB6
+12V_PWR +12V_NORMAL
0R/1206/5%/NC
C
Power Switch
+5V_Standby
C9
0.1uF/0402/16V/NC
U2
4953/SOP8
1
S1 D1
2
G1 D1
3
R12 C10
S2 D2
100K/0402/5% 4
G2 D2
0.1uF/0402/16V
R13
100K/0402/5% C11
STANDBY 1
R15 Q3 0.1uF/0402/16V/NC
STANDBY
22K/0402/5% 3904/SOT-23
+12V_PWR
R21 C20
100K/0402/5%
0.1uF/0402/16V
R23
100K/0402/5%
STANDBY 1
R24 Q4
STANDBY
B
22K/0402/5% 3904/SOT-23
If POWER BOARD IS 5stb ONLY ,PL NOT PATCH THESE GUY.
1.5V/1.8V Power_Normal 3.3V Power
U4
AMS1117-Adj
R1
220R/0402/5%/470R/0402/5% +1.8V_DDR2
R26
0.1uF/0402/16V
+5V_Standby
C22 C23 C24 C25 C26 C27
+5V_Normal
R2
2.2uF/0603/16V 2.2uF/0603/16V
0.1uF/0402/16V 0.1uF/0402/16V
R27
100R/0402/5%
A
输入加大滤波电容解决插入个别硬盘重启
Vout=1.25V*(R1+R2)/R1
If chip is 3393,The R1 Value is 220R 5% Vout=1.8V
NOTICE:
If chip is 6306,The R1 Value is 470R 5% Vout=1.5V
5
4
5V Standby Power(option) 3A
U1
+12V_PWR AOZ3015PI/SOP8
2 9
VIN LX
7 8
R1 100K/0402/5%
EN Vo
R3 27K/0402/5%/NC 6 5
COMP FB
C5 4 1
VCC PGND
C4 1nF/0402/16V/NC
C2 C3 0.1uF/0402/16V
R7 C6
10uF/16V/0805 20K/0402/5% 0.1uF/0402/16V
10uF/16V/0805
C8
2.2nF/0402/16V
Standby controller
8
+5V_Normal
7
6
+12V_NORMAL
5
STANDBY
R19
STANDBY
200R/0402/5%
H :Power on
L :Power off
Test Point & MARK
U5 H1 H2
5 9 5
AMS1117-3.3
4 8 4
3 7 3
+3.3V_Normal +3.3V_Standby
2 6 2
NC NC
C29
C28
0.1uF/0402/16V
2.2uF/0603/16V 2.2uF/0603/16V
H5 H6 H7
NC NC NC
4
3
Inverter controller
+5V_Standby +5V_Normal
FB1 FB2
0R/1206/5% 0R/1206/5%
L7 22uH_3A
R1
R5 51K/0402/1% BL-ON/OFF
+
C7 CA3 C1
0.1uF/0402/16V/NC 0.1uF/0402/16V R159
470uF/16V/EC3.5
10K/0402/5%
R2
R10 9.1K/0402/1%
0.1uF/0402/16V/NC
Vout=0.8V*(1+R1/R2)
1.15V Core Power
+5V_Standby
+12V_PWR
FB9 FB8
0R/1206/5% 0R/1206/5%
+3.3V_Standby
R17
R16 10K/0402/5%
4.7K/0402/5%
C17 C18
PWR-ON/OFF
10uF/16V/0805 10uF/16V/0805
Vout=0.8V*(1+R1/R2)
NOTICE:
H3 H4 H9
9 5 9 5 9 5 9
8 4 8 4 8 4 8
7 3 7 3 7 3 7
6 2 6 2 6 2 6
NC NC NC
3
2
MUTE_EAR 解决耳机冲击声
+5V_Normal
D5
1N4148
R4 R200
4.7K/0402/5% R6
200R/0402/5%
10K/0402/5%/NC
R8
100R/0402/5% Q1
1
R9
VBL_CTRL
3904/SOT-23 10K/0402/5%
BL-ADJUST R11
22K/0402/5% Q2
C104 C85 1 R199
BRI_ADJ
3904/SOT-23 4.7K/0402/5%
1nF/0402/16V R193
10K/0402/5%/NC
Max :1.0A
U3
MP1470
增加100UF电解电容，删除C15/C16,改善纹波
R14
3 6
IN BST
20R/0402/5%
C12
1uF/0402/16V
5 2
EN SW
L2
22uH_3A 0.1uF/0402/16V
R18
4.7K/0402/1%
R1
C13 C19
R20
1 4
10uF/16V/0805
GND FB
100K/0402/5% R22
C21
R2 10K/0402/1% or 8.2K/0402/1%
10pF/0402/16V
R25
470R/0402/5%
Resistors close to the DC-DC
If chip is 3393,The R2 Value is 10K 1%
If chip is 6306,The R2 Value is 8.2K 1%
2
1
VDDC
10uF/16V/0805
C14 C15 C16
10uF/16V/0805
10uF/16V/0805
Title Title Title
MSD3393 MSD3393 MSD3393
Size Size Size Document Number Document Number Document Number Rev Rev Rev

System power

System power System power
1.0 1.0 1.0
Custom Custom Custom
Date: Date: Date: Sunday, July 14, 2013 Sunday, July 14, 2013 Sunday, July 14, 2013 Sheet Sheet Sheet 1 1 1 of of of 9 9 9
1
D
C
B
A