Summary of Contents for Landmark MG21
- Page 1 Landmark Technology Inc. MG21 LCD Controller TFT LCDs with Resolution up to 1,280 x 1,024 (Version A) August 8, 2008...
- Page 2 1. Introduction MG21 is a compact size LCD controller with analog RGB (VGA) and DVI inputs. It uses the Genesis gm5621 chip and supports TFT LCD modules up to SXGA (1,280 x 1,024) native resolutions (1.31 MPixels) with 16,777,216 colors.
- Page 3 CN300 CN401 LVDS To OSD Board Audio Output CN501 CN200 Fig. 2 The dimensions of the OSD board and its connectors are show in Fig. 3. Fig. 3 OSD Board Dimensions 104.5 4 Φ, 2 holes 97.3 Power Menu Down 10.2 22.8 35.4...
- Page 4 The 3-pin connector CN2 is for a IR sensor board for OSD adjustment with a remote control. This feature is not implemented in Version A MG21 controller. 4. System Connection The typical connection diagram of the MG21 LCD controller to Landmark VHB LCD modules is illustrated in Fig. 4. Connector...
- Page 5 48.4 56.5 60.0 SXGA 1280 x 64.0 1024 80.0 6. Connectors and Pin Assignments The connectors on the MG21 card and their functions are listed below: 12V power input Inverter interface CN300 OSD connection CN401 LVDS Interface CN200 DVI input...
- Page 6 Cautions – The 12V power on CN8 can run inverters for regular brightness LCDs. It does not have the current capability to run Landmark Inverters for VHB backlights. Please follow Fig. 4 on page 4 for the connections to run very high brightness LCDs.
- Page 7 Ground Ground RxEC- Negative LVDS differential clock, (Even clock) RxEC+ Positive LVDS differential clock, (Even clock) RxE3- Negative LVDS differential data, CH3 (Even data) RxE3+ Positive LVDS differential data, CH3 (Even data) 6. OSD The OSD board and its push buttons are shown in the following figure: Power Menu Down...
- Page 8 (48KHz and 69.8Hx) are displayed. Note - Some of the items on the Main Menu and the Sub Menus are reserved for the MG21, Version B. Their functionality may not be implemented in the current Version A BIOS.
- Page 9 To make adjustments, use the UP or DOWN button to increase or decrease the setting. In the meantime, the setting level is display numerically as well as by the white bar. After completing the adjustment, push the MENU button to return to the previous BRIGHTNESS menu. Follow the similar procedure to adjust the CONTRAST.
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Page 10: Osd Timer
XGA (1024 x 768) and if the video input resolution is set at SXGA (1280 x 1024), the MG21 will down scale the 1280 x 1024 image to 1024 x 768 and display it to fill the entire area of the screen.