Schematic Diagrams - ViewSonic VG2021m-1 Service Manual

20” color tft lcd display
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10. Schematic Diagrams

B1
OSD
LED_OR
LED_GL
TURBO
TURBO
MENU
LEFT
LEFT
RIGHT
RIGHT
AUTO
AUTO
POWER
POWER
V33C
AUDIOR-
AUDIOR-
AUDIOR+
AUDIOR+
AUDIOL-
AUDIOL-
AUDIOL+
AUDIOL+
B2
INVERTER I/F
AUDIOL+
AUDIOL-
AUDIOR+
AUDIOR-
AUD_DET
AUD_DET
VOL_ADJ
VOL_ADJ
AUDIO_ON
LED_GL
V5A
V33C
V12A
V12A
INV_ON/OFF
INV_ON/OFF
INV_ADJ
INV_ADJ
ViewSonic Corporation
B3
DSUB_DET
VGA
DDCA_DAT
V5A
DDCA_CLK
VGA_5V
VGA_5V
V5A_ESD
V5A_ESD
B4
V5A_ESD
DDCD_CLK
DDCD_DAT
V5A
DVI
DVI_5V
DVI_5V
LED_OR
LED_GL
MENU
B5
VCTRL
V5A
V5A
DVI_5V
VGA_5V
POWER
V33C
Confidential - Do Not Copy
61
B6
DSUB_DET
DSUB_DET
SOG
SOG
SOG
DDCA_DAT
DDCA_DAT
DDCA_CLK
DDCA_CLK
RIN
RIN
RIN
GNDR
GNDR
GNDR
GIN
GIN
GIN
GNDG
GNDG
GNDG
BIN
BIN
BIN
GNDB
GNDB
GNDB
HSYNC
HSYNC
HSYNC
VSYNC
VSYNC
VSYNC
DDCD_CLK
DDCD_CLK
DDCD_DAT
DDCD_DAT
R+
R+
R+
R-
R-
R-
G+
G+
G+
G-
G-
G-
B+
B+
B+
B-
B-
B-
CLK+
CLK+
CLK+
CLK-
CLK-
CLK-
LED_OR
SCALER
LED_GL
TURBO
MENU
LEFT
RIGHT
AUTO
POWER
AUDIO_ON
AUDIO_ON
INV_ON/OFF
INV_ON/OFF
DCDC_ON/OFF
DCDC_ON/OFF
PANEL_ON/OFF
PANEL_ON/OFF
VCM_PWM
VCM_PWM
VOL_ADJ
VOL_ADJ
INV_ADJ
INV_ADJ
AUD_DET
AUD_DET
DVI_5V
VCTRL
V12A
V12A
V18C
V33C
Vref
Vref
Vref
V5A
V33P
V33P
V18C
VG2021m-1
B8
BR2N
BR2N
BR2P
BR2P
BR1N
BR1N
BR1P
BR1P
BR0N
BR0N
BR0P
BR0P
BG2N
BG2N
BG2P
BG2P
BG1N
BG1N
BG1P
BG1P
BG0N
BG0N
BG0P
BG0P
BB2N
BB2N
BB2P
BB2P
BB1N
BB1N
BB1P
BB1P
BB0N
BB0N
BB0P
BB0P
FR2N
FR2N
FR2P
FR2P
FR1N
FR1N
FR1P
FR1P
FR0N
FR0N
FR0P
FR0P
FG2N
FG2N
FG2P
FG2P
FG1N
FG1N
FG1P
FG1P
FG0N
FG0N
FG0P
FG0P
FB2N
FB2N
FB2P
FB2P
FB1N
FB1N
FB1P
FB1P
FB0N
FB0N
FB0P
FB0P
FCKN
FCKN
FCKP
FCKP
FSTH
FSTH
BCKN
BCKN
BCKP
BCKP
BSTH
BSTH
STB
STB
POL
POL
CPV
CPV
STV
STV
OE
OE
GVOFF
GVOFF
VCM_PWM
PANEL_ON/OFF
DCDC_ON/OFF
V12A
V33P
V5A
ViewSonic Corporation
Model
PANEL_INTERFACE
BR2N
BR2P
BR1N
BR1P
BR0N
BR0P
BG2N
BG2P
BG1N
BG1P
BG0N
BG0P
BB2N
BB2P
BB1N
BB1P
BB0N
BB0P
FR2N
FR2P
FR1N
FR1P
FR0N
FR0P
FG2N
FG2P
FG1N
FG1P
FG0N
FG0P
FB2N
FB2P
FB1N
FB1P
FB0N
FB0P
FCKN
FCKP
FSTH
BCKN
BCKP
BSTH
STB
POL
CPV
STV
OE
GVOFF
VCM_PWM
PANEL_ON/OFF
DCDC_ON/OFF
V12A
V33P
V5A
Title
Date
Rev:

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