Vout=VFB*(1+RA/RB)
VFB=0.8V
RB=0.7K~5Kohm
1.2V Core Power
RA
RB
3.3V Stand-by Power
2.5V Power
R1
R2
Vout=Vref*(1+R2/R1)+Iadj*R2
Vref=1.25V
9
1
measure current
measure current
measure current
0 ~ 3V3
ONLY C617 C142 C141ARE 50V OTHER IS 16V
CHIP CAP
measure current
high turn on
modify about panel VCC rise time and power off pulse noise 081014
VCC1.2V_FB
VCC1.2V_OUT
VCC5V_EN
VCC2.5V_ADJ
POWER-ON/OFF-GPIO44
PANEL-ON/OFF-GPIO11
VCC5V_IN
VCC5V_OCSET
ADJPWMA
VBLCTRL-GPIO12
ADJPWMA
VCC3.3V_ADJ
BKLON
POWER-ON/OFF-GPIO44
BKLON
VCC1.2V-ST
VCC5V-ST
VCC2.5V-ST
VCC5V-ST
+5V_General
VCC3.3V-ST
VCC5V-ST
VCC5V-ST
+5V_General
VCC5V-ST
PANEL-VCC
VCC5V-ST
VCC5V-ST
VCC5V-ST
VCC5V-ST
5VAMP
VCC5V-ST
12V
5VIF
VCC5V-ST
12V
L101
DUAL BEAD 100R
I109
MP2359DJ/TSOT23-6
1
2
3
4
5
6
BST
GND
FB
EN
IN
SW
C112
NC
C128
100nF
C169
NC/10uF/0805
R181
NC
R120
110R 1% 0603
C135
100nF
Q108
MMBT3904
1
3
2
R103 NC
R186
10K
+
C127
220u/16V LESR
+
C129
10u/16V
C139
100nF
R131
4.7K
1
1
I107
STM4953
1
2
3
4
8
7
6
5
S2
G2
S1
G1
D2
D2
D1
D1
+
C101
1500u/16V LESR
L114
80R 0805 6A
R136
10K
1
1
L110
600R/1.5A 0805
C117
100nF
C130
100nF
L108
600R/1.5A 0805
1
1
C166
NC
R134
4.7K/100R
L122
22uF/15uF
R142
NC
R106 100R
+
C119
10u/16V
L121
NC
1
1
I105
AP1533/AP1534
1
2
3
4
5
6
7
8
FB
EN
OCSET
VCC
OUTPUT
OUTPUT
VSS
VSS
R108
0R
+
C102
NC
E
B
C
SOT
23
Q101
NC/3904
1
3
2
R141
NC
C161
100nF
R111
0R
E
B
C
SOT
23
Q121
NC/MMBT3904
1
3
2
E
B
C
SOT
23
Q120
MMBT3904
1
3
2
R133
4.7K
C103
NC
R110
NC
C136
100nF
L103
80R 0805 6A
+
C110
1500u/16V LESR
R130
4.7K/100R
C170
100nF
R124
100K 0603
R104
NC
L123
NC/600uH DIP
L120
600R/1.5A 0805
L111
22uH/2.9A
+
C134
1u/50V
R101
0R
R126
1K 1% 0603
I104
1084-ADJ
1
2
3
4
ADJ
VOUT
VIN
TAB
+
C132
220u/16V LESR
R102 0R
D133
GS1B
R109
4.7K
+
C131
47u/16V
R117
100R 1% 0603
R182
100K 1% 0603
R123
3K 0603/2.2K
C133
100nF
+
C114
NC
C109
100nF/0603
P101
9
8
7
6
5
4
3
2
1
R135
10K
C171
100nF
C163
100nF
R132
10K
R184 4K75 1% 0603
R189 4.7K
L102
40uH DIP
E
B
C
SOT
23
Q102
NC/3904
1
3
2
C115
100nF
R188 4.7K
R128
1.62K 1% 0603
D136
SR36
+
C160
470u/35V/LESR
C162
100nF
+
C116
220u/16V LESR
R139 1K
+
C167
220u/16V LESR
+
C165
47u/16V
Q107
MMBT3904
1
3
2
L124
NC
R187
10K
Q105
MMBT3904
1
3
2
I103 1084-3.3
1
2
3
4
ADJ
VOUT
VIN
TAB
Q106
MMBT3904
1
3
2
R129
10K
L104
80R 0805 6A
R180
NC
R105
NC
C111
NC
+
C108
1500u/16V LESR
R107 NC
L109
NC
R185
4K75 1% 0603
R183
100K 1% 0603
C118
100nF
D102
SR36
C164
100nF
VCC1.2V-ST 6
VCC2.5V-ST 6,7
VCC3.3V-ST 6
POWER-ON/OFF-GPIO44
6.13
PANEL-ON/OFF-GPIO11
6
+5V_General 3,4,8,10,15
PANEL-VCC 14
VCC5V-ST 6,8,10,13,15
5VAMP
12,13
BRI_ADJ-PWM2 6
VBLCTRL-GPIO12
6
5VIF
4
12V
13
8
. Schematic Diagrams
8
.1.
System Power
ViewSonic Corporation
65
VT2430-1M
Confidential - Do Not Copy
Содержание VS12335-1M
Страница 50: ...2 Choose model number the 3 Press ENTER key ViewSonic Corporation 47 VT2430 1M Confidential Do Not Copy...
Страница 51: ...4 Press F4 key and Input bar code ViewSonic Corporation 48 VT2430 1M Confidential Do Not Copy...
Страница 55: ...3 Press ENTER key 4 Press F4 key ViewSonic Corporation 52 VT2430 1M Confidential Do Not Copy...
Страница 84: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation 81 VT2430 1M Confidential Do Not Copy...
Страница 85: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation 82 VT2430 1M Confidential Do Not Copy...
Страница 86: ...9 3 CON PCB TOP VIEW ViewSonic Corporation VT2430 1M Confidential Do Not Copy 83...
Страница 87: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation VT2430 1M Confidential Do Not Copy 84...
Страница 88: ...9 5 POWER PCB TOP VIEW ViewSonic Corporation 85 VT2430 1M Confidential Do Not Copy...
Страница 89: ...9 6 POWER PCB BOTTOM VIEW ViewSonic Corporation 86 VT2430 1M Confidential Do Not Copy...
Страница 90: ...10 Exploded View And Exploded Parts List ViewSonic Corporation 87 VT2430 1M Confidential Do Not Copy...
Страница 91: ...ViewSonic Corporation 88 VT2430 1M Confidential Do Not Copy...