Acer T230H - Page 62

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
5DVCC
V12S
V33S
5DV
V33S
V33S
BL_ADJ
BL_EN
DSUB_5V
HD5V
Bus_Power
Title
Size Document Number Rev
Date: Sheet
of
Power
89Wednesday, May 20, 2009
Title
Size Document Number Rev
Date: Sheet of
Power
89Wednesday, May 20, 2009
Title
Size Document Number Rev
Date: Sheet of
Power
89Wednesday, May 20, 2009
L9ZC-6U RTD2523B+HSD PANEL
PROJECT NAME: WCT9-M1
3
E
C
21
B
MMBT3906
3
S
D
21G
SN7002E
2005/09/30
2005/12/02
U1 與 U1-1 共同 layout
U2
與 U2 共同 layout
AUDIO POWER
C1,EC1,L19 CLOSED CN1
0 ohm-->10k
修改 Pull high 電壓
修改
Pull high 電壓
Pi3.3v=300mA x 3.3=0.99w
Po1.2v=200mA x 1.2=0.24w
Pi3.3v=440mA x 3.3=1.452w
C1B
R145 For ST LD1117S12CTR
FAN1112D/LD1117S12C
SOT-223
U2 dissipation
P=>0.99W-0.24W=0.75W
(SPEC define θjc 15 /W)
℃
15 /1W=θjc/0.75W ℃
θjc=11.25 ℃
FAN1112D/LD1117S12C
TO-252
U2 dissipation
P=>0.99W-0.24W=0.75W
(SPEC define θjc 3 /W)
℃
3 /1W=θjc/0.75W ℃
θjc=2.25 ℃
C1 0.1uF/6 C1 0.1uF/6
R7 0/8R7 0/8
R2 1K/6R2 1K/6
D2
SMB/NC
D2
SMB/NC
A K
R10
0/6
R10
0/6
R9
330/6 1%/NC
R9
330/6 1%/NC
D3
SMB/NC
D3
SMB/NC
A K
U1 AIC1084/TO252U1 AIC1084/TO252
VIN
3
GND
1
VOUT
2
VO
4
D1
BAT54C/NC
D1
BAT54C/NC
C3
1uF/6
C3
1uF/6
L3
10K/6
L3
10K/6
12
C5
0.1uF/6
C5
0.1uF/6
R4 10K/6R4 10K/6
L1
120/CX201209813/8
L1
120/CX201209813/8
R145 120/6/NCR145 120/6/NC
MH3
M34-D80
MH3
M34-D80
1
2
3 4 5
6
7 8 9
MH1
M34-D80
MH1
M34-D80
1
2
3 4 5
6
7 8 9
R3
2.2K/6 1%
R3
2.2K/6 1%
D33
SM4001/NC
D33
SM4001/NC
12
+
EC1
100uF/25V
+
EC1
100uF/25V
L2
120/CX201209813/8
L2
120/CX201209813/8
R6 0/6R6 0/6
Q2
DTC144EUA
Q2
DTC144EUA
2
31
C2
0.1uF/6
C2
0.1uF/6
D4
BAT54C/NC
D4
BAT54C/NC
CN1
CONN 6P2R MV(DFHD06MV001)
CN1
CONN 6P2R MV(DFHD06MV001)
2
3 4
1
65
+
EC2
100uF/25V
+
EC2
100uF/25V
U2 FAN1112D/TO252U2 FAN1112D/TO252
VIN
3
GND
1
VOUT
2
VOUT
4
MH2
M34-D80
MH2
M34-D80
1
2
3 4 5
6
7 8 9
+ EC3
100uF/25V
+ EC3
100uF/25V
U2 LD1117S12CTR/SOT-223U2 LD1117S12CTR/SOT-223
VIN
3
GND
1
VOUT
2
R1
1K4/6 1%
R1
1K4/6 1%
C4
1U/6/NC
C4
1U/6/NC
Q1
MMBT3906
Q1
MMBT3906
R5
1K/6
R5
1K/6
MAIN BOARD:POWER