ViewSonic VA902B Service Manual - Page 11

AC Outlet Pin Assignment, Inner Connector Pin Assignment - controls

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T1 (ms) 0.1~10 T2 (ms) 0~10 T3 (ms) >200 T4 (ms) >100 T5 (ms) 0~50 5. AC Outlet Pin Assignment 3 1 2 P801 Pin Symbol 1 L 2 N 3 E T6 (ms) 0.1~10 T7 (ms) >1000 Description Live Neutral GND 6. Inner Connector Pin Assignment 6.1 CN501, CN502, CN503, CN504 (Connect to Panel Backlight, SM02B-BHSS-1-TB or equivalent) Pin Symbol Description 1 H.V. 2 L.V. High voltage for lamp Low voltage for lamp 6.2 CN101 (Power BD to Interface BD) Pin No. Symbol 1,2 +5V (VCC5V) 3,6 GND 4 BRIGHTNESS 5 ON/OFF +5.2V output Ground Brightness Control CCFL on/off Control Description 6.3 CN106 (Interface BD to Keypad) Pin No. Symbol Description 1 KEY_SELECT/AUTO Select control and auto adjustment control 2 KEY_MENU/EXIT OSD page selection and exit 3 KEY_UP OSD "▲" control to adjust value to increase 4 KEY_POWER DC power on/off control 5 KEY_DOWN OSD "▼" control to adjust value to decrease 6 LED_GREEN Green LED lighting control 7 GND 8 LED_ORANGE Ground Orange LED lighting control ViewSonic Corporation Confidential - Do Not Copy VA902/b 8

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T1 (ms)
T2 (ms)
T3 (ms)
T4 (ms)
T5 (ms)
T6 (ms)
T7 (ms)
0.1~10
0~10
>200
>100
0~50
0.1~10
>1000
5.
AC Outlet Pin Assignment
Pin
Symbol
Description
1
L
Live
2
N
Neutral
3
E
GND
6. Inner Connector Pin Assignment
6.1
CN501, CN502, CN503, CN504 (Connect to Panel Backlight, SM02B-BHSS-1-TB or equivalent)
Pin
Symbol
Description
1
H.V.
High voltage for lamp
2
L.V.
Low voltage for lamp
6.2
CN101 (Power BD to Interface BD)
Pin No.
Symbol
Description
1,2
+5V (VCC5V)
+5.2V output
3,6
GND
Ground
4
BRIGHTNESS
Brightness Control
5
ON/OFF
CCFL on/off Control
6.3
CN106 (Interface BD to Keypad)
Pin No.
Symbol
Description
1
KEY_SELECT/AUTO
Select control and auto adjustment control
2
KEY_MENU/EXIT
OSD page selection and exit
3
KEY_UP
OSD “
▲
” control to adjust value to increase
4
KEY_POWER
DC power on/off control
5
KEY_DOWN
OSD “
▼
” control to adjust value to decrease
6
LED_GREEN
Green LED lighting control
7
GND
Ground
8
LED_ORANGE
Orange LED lighting control
P801
1
2
3
8
ViewSonic Corporation
Co
nfidential - Do Not Copy
VA902/b