Service manual

4.5 Inner Connector Pin Assignment
4.5.1 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
4.5.2 CN101 (Power BD to Interface BD)
Pin No. Symbol Description
1 VCC5V +5V INPUT
2 VCC5V +5V INPUT
3 GND GND
4 GND GND
5 GND GND
6 GND GND
7
Backlight_ON/OFF
CCFL on/off control
8 Adjust_Brightness Panel luminance control (CCFL brightness)
4.5.3 CN104 (Interface BD to Keypad)
Pin
No.
Symbol Description
1 KEY_Menu OSD menu and exit
2 KEY_2 Auto adjustment control and selecting.
3 KEY_Minu OSD “ź” control to adjust value to decrease
4 KEY_Plus OSD “Ÿ” control to adjust value to increase
5 LED_B Blue LED lighting control
6 GND GND
7 LED_O Orange LED lighting control
8 KEY_POWER DC power on/off control
4.5.4 CN103 (Connect I/F BD to panel, FI-X30S-H or Equivalent)
Pin No. Symbol Function
30 RXO0- Negative LVDS differential data input.Channel O0(odd)
29 RXO0+ Positive LVDS differential data input.Channel O0(odd)
28 RXO1- Negative LVDS differential data input.Channel O1(odd)
27 RXO1+ Positive LVDS differential data input.Channel O1(odd)
26 RXO2- Negative LVDS differential data input.Channel O2(odd)
ViewSonic Corporation
VX2433wm-1
VX2433wm-CN
CONFIDENTIAL – DO NOT COP
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