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5
D
+12V
L19
L19
R448
R448
100k
100k
0
+12V
STPB2012-121PT/NC
STPB2012-121PT/NC
5VAIN
L18
L18
0
5VAIN
C
STPB2012-121PT
STPB2012-121PT
C810
C810
100n/16V
100n/16V
100u/16V
100u/16V
待机12伏和待机5伏在00页中转为主12V和主5伏后返回。
Vout=0.923*(1+4.02K/10K)=1.294 V
N13
N13
2.5V Power
3
4
VIN
VOUT
2
5VAIN
VOUT
B
LD1117A-2.5AZ1117H-2.5
LD1117A-2.5AZ1117H-2.5
C31
C31
C79
C79
C74
C74
10u/10V
10u/10V
100n/16V
100n/16V
10u/10V
10u/10V
SOT-223
3.3V Power_Standby
5Vstb
5Vstb
0
5VAIN
N2
N2
L92
L92
L93
L93
3
4
BLM18PG121SN1/NC
BLM18PG121SN1/NC
BLM18PG121SN1/NC
BLM18PG121SN1/NC
VIN
VOUT
2
A
VOUT
C8
C8
C10
C10
10u/10V
10u/10V
100n/16V
100n/16V
LD1117A-3.3AZ1117H-3.3
LD1117A-3.3AZ1117H-3.3
SOT-223
5
PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿÿ
4
Vout=0.8*(1+5.1K/0.953K)=5.08 V
N1
N1
1
8
BS
SS
2
7
IN
EN
3
6
SW
COMP
C301
C301
3.3n/50V
3.3n/50V
4
5
GND
FB
C304
C304
C305
C305
MP1482
MP1482
R446
R446
100n/16V
100n/16V
2.2k
2.2k
3.3V Power_Normal
33V_Normal
5VAIN
2
Vin
2.5V_Normal
C13
C13
C12
C12
10u/10V
10u/10V
100n/16V
100n/16V
SOT-252
C80
C80
AP1084D33GAZ1084D-3.3
AP1084D33GAZ1084D-3.3
100n/16V
100n/16V
Power for PCMCIA
5VAIN
L34
L34
L91
L91
STPB2012-121PT/NC
STPB2012-121PT/NC
V27
V27
2
3.3v_mcu
1
BLM18PG121SN1/NC
BLM18PG121SN1/NC
R30
R30
C43
C43
22k
22k
680n/16V
680n/16V
3.3Vstb
V22
V22
3.3Vstb 1
MMBT3904LT1
MMBT3904LT1
R34
R34
1
1k
1k
C9
C9
C7
C7
R32
R32
10u/10V
10u/10V
100n/16V
100n/16V
10k/NC
10k/NC
4
www.fineprint.com.cn
3
2
ON_PBACK
2
ADJ-PWM2
此为待机12V转待机5伏
L11
L11
VDDC
10.0 uH
10.0 uH
C300
C300
C811
C811
C812
C812
R445
R445
C302
C302
C303
C303
10n/50V
10n/50V
100u/16V
100u/16V
330u/10V
330u/10V
4.02k
4.02k
100n/16V
100n/16V
10u/10V
10u/10V
R428
R428
R447
R447
10k/NC
10k/NC
10k
10k
+12V
5VAIN
33V_Normal
N3
N3
33V_Normal
1
3
Vout
2
ON_PANEL
C108
C108
C14
C14
C813
C813
2.2u/10V
2.2u/10V
100n/16V
100n/16V
100u/16V
100u/16V
1.8V Power for DDR
VCC-PCMCIA
5VAIN
3
R38
R38
C814
C814
AO3401L
AO3401L
1k/NC
1k/NC
C379
C379
100u/16V
100u/16V
100n/16V
100n/16V
Vout=Vrefx(1+(R384/R461))+50mAx1
PCM_PWR_CTL 2
3
2
背光控制
5VAIN
R330
R330
R333
R333
R143
R143
4.7k/NC
4.7k/NC
4.7k
4.7k
V44
V44
R78
R78
0R/NC
0R/NC
V46
V46
1
MMBT3904LT1
MMBT3904LT1
R334
R334
ON_PBACK
1
R64
R64
4.7k
4.7k
MMBT3904LT1
MMBT3904LT1
V45
V45
10k
10k
R99
R99
ADJ-PWM2
1
0R/NC
0R/NC
MMBT3904LT1
MMBT3904LT1
4.7k
4.7k
L8
L8
STPB2012-121PT
STPB2012-121PT
R451
R451
R342
R342
10k
10k
47k
47k
L7
L7
C956
C956
C195
C195
33V_Normal
C198
C198
STPB2012-121PT
STPB2012-121PT
100u/25V
100u/25V
1u/16V
1u/16V
100n/16V
100n/16V
R453
R453
R470
R470
R454
R454
V11
V11
100k
100k
10k
10k
R450
R450
1
V10
V10
0R/NC
0R/NC
R449
R449
MMBT3904LT1
MMBT3904LT1
1
4.7k
4.7k
C201
C201
100n/16V
100n/16V
4.7k
4.7k
N15
N15
R460
R460
R464
R464
4
3
VOUT
VIN
2
6.8R/2W
6.8R/2W
VOUT
R461
R461
6.8R/2W
6.8R/2W
C306
C306
C310
C310
2.2u/10V
2.2u/10V
100n/16V
100n/16V
AZ1084S-ADJ
AZ1084S-ADJ
2.4k
2.4k
R384
R384
1k
1k
Title
Title
Title
MSD309PX
MSD309PX
MSD309PX
Size
Size
Size
Document Number
Document Number
Document Number
B
B
B
Date:
Date:
Date:
2
1
+12V_IN
2
+12V_IN
XP2
XP2
R57
R57
7
STB
4.7k
4.7k
2
STB
6
R63
R63
5
4
BL-ON/OFF
BL-ADJUST
3
2
0R
0R
1
BRI-EXT
R37
R37
BRI-EXT
9
BL-ADJUST
BL-ADJUST 9
Inverter
R145
R145
1k
1k
C77
C77
10k/NC
10k/NC
C78
C78
10u/10V
10u/10V
Connector
1n/50V
1n/50V
VCC-Panel
N14
N14
AO4459
AO4459
1
8
S1
D1
2
7
S2
D1
3
6
S3
D2
4
5
G
D2
R452
R452
4.7k
4.7k
MMBT3904LT1
MMBT3904LT1
1.8VA
C311
C311
100n/16V
100n/16V
C816
C816
C815
C815
100u/16V
100u/16V
100u/16V
100u/16V
Rev
Rev
Rev
A
A
A
System Power
System Power
System Power
Tuesday, January 10, 2012
Tuesday, January 10, 2012
Tuesday, January 10, 2012
Sheet
Sheet
Sheet
1
1
1
of
of
of
10
10
10
1
D
C
B
A
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