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ViewSonic Corporation
Confidential - Do Not Copy
VG921m-4
69
10. Schematic Diagrams
Model
Title
Date
Rev:
ViewSonic Corporation
40mil
40mil
PANEL POWER
5DVCC
BKLT-EN
LED-2
BKLT-EN
J1
5DVCC
BKLT-VBRI
BKLT-VBRI
DGND
DGND
DGND
5V
DGND
LED-1
LED-1
LED-2
5DVCC
LED2
LED1
DGND
3.3V
PANEL_VCC
5V
5V
ONPANEL_5V
DGND
VBRI
INVON
3.3DVCC
3.3V
MENU
UP
MUTE
EXIT
POWER
DOWN
MCU_VCC
5DVCC
R2 NC/0
R17
1K
R8
2K
R16
10K/NC
R5 100k
Q4
2N3906
1
2
3
R4
10K
R14
220
Q5
2N3906
1
2
3
R120
220
C10
1uF
Q1
AO3401
1
3
2
+
C70
47uF_16V/NC
L1FEB/1206
Q6
KST3904
1
2
3
+
C1
100uF_16V
+
C7
100uF_16V
FB1 FEB/1206
JP1
HEADER 13/SM
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
R121
220
+
C6
100uF_16V
R123
220
R117
220
C8
100nF
C11
100nF
R118
220
R10
330
R127 1K
R126 1K
R2 NC/0
CN1
2.0_11pin
1
2
3
4
5
6
C127
100nF
R116
220
R13
1K
C9
NC
R6
1K
R11
330
C5
0.01uF
R119
220
C130
100nF
R122
220
R9 NC
C3
22uF/16V
L2 FEB/1206
C131
100nF
U3
1117-33/AIC1084-33
3
2
1
VIN
VOUT
GND
R15 NC
R12
4.7K
R7
4.7K
Q3
KST3904
1
2
3
C129
100nF
R3 0/NC
C132
100nF
C128
100nF
C2
100nF
C4
100nF
Q2
KST3904
1
2
3
Содержание VG921m-4 VS11369
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Страница 48: ...ViewSonic Corporation Confidential Do Not Copy VG921m 4 45 Setp4 3 Check the DDC...
Страница 56: ...ViewSonic Corporation Confidential Do Not Copy VG921m 4 53 16 Take off the bezel...
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