ViewSonic VSXXXXX service manual

Page 11

Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. See your graphics card’s user guide for instructions on changing the resolution and refresh rate (vertical frequency).

NOTE: VESA 1920 x 1080 @ 60Hz (recommended) means that the resolution is 1920 x 1080 and the refresh rate is 60 Hertz.

Manual Image Adjust displays the Manual Image Adjust menu.

H./V. Position (Horizontal/Vertical Position) moves the screen image left or right and up or

down.

H. Size (Horizontal Size) adjusts the width of the screen image.

Fine Tune sharpens the focus by aligning text and/or graphics with pixel boundaries. NOTE: Try Auto Image Adjust first.

Sharpness adjusts the clarity and focus of the screen image.

Dynamic Contrast allows the user to turn the contrast ratio enhancement on or off. Aspect ratio Selects the image size for 4:3 and full screen.

ECO Mode provides the lower power consumption by reducing the brightness. Standard: The default brightness setting.

Optimize: Decreases the brightness by 25 %.

Conserve: Decreases the brightness by 50 %.

Setup Menu displays the menu shown below:

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Contents VG2427wmSM Rev a Mar ViewSonic VG2427wmTdrmnddbwbvspc TdrmnddkwbvspcTdrmnddywbvspc TdrmnddcwbvspcTable of Contents Service Notes Precautions and Safety NoticesSafety Precautions Product Safety NoticeCorrect Methods Incorrect Methods Handing and Placing MethodsPage Specification Front Panel Function Control Description Following tips may help you optimize your display Do the following to adjust the display settingControl Explanation Audio AdjustMain Menu Controls Page Page Main Board Circuit DescriptionPin Assignment Page Page Page Page Function Pin DescriptionsName Pin # Typical Application Power BoardComp GND OUT VCC Block Diagram PinIC801 TA9687GN Pin Diagram Functional Block DiagramPin Description Pin No Names Enter into the factory mode Adjustment ProcedureWhite balance, Luminance adjustment Enter into Burn/in modeEquipment needed Firmware Upgrade ProcedureISP Board PC LPT Hardware Connect status Update the NOVATEK’S firmwarePage Page Install software DDC Key in ProcedureFor analog Page Troubleshooting Flow Chart Block Diagram DIM ON/OFFMosfet 0R05 1/10W 5% Schematic DiagramsFB402 TO252 0402 Power Board Power XFMR7 IC with Heat-sink90G6295-3 PCB Name Key BoardTPV Model Upstream USB BoardPCB Layout Diagrams Page Power Board Page Key Board USB Board Page 10.1 EPL Exploded Diagram and Exploded Parts ListDescription Part Number Qty 10.2 PPL Location Part Number Description Remark Recommended Spare Parts ListWafer 30P 2.0MM DIP Dual ROW Cbpc LabelWafer CONN.6P 1.0 DIPPage Chip 22PF 50V NPO RST Chip MAXRST Chipr Chip Bead FCM2012VF-301T07 Bullwill Chip 5PF 50V NPOBead 300Ω Chip BeadTRA LMBT3904LT1G 200MA/40V SOT-23 LRC Dome Switch 5PCSPIN PWPC9D41MQWU Power Board UDZSNP5.6B RohmChoke by LI TA IC PC123Y22FZ0FRST Ntcr 8OHM £«£20£¥ 4A Xianzheng CAP CER 56PF J 3KVScrew HS2 Screw HS1Heat Sink Diode SP1060 ITO-220 SecosRST Chipr 1K RST Chipr 3.6KRST Chipr 6.2KOHM +-5% 1/10W Yageo 1ST ChiprNPO RST Chipr 820KOHM +-5% 1/4W FenghuaX7R BAV70 SOT23 by PAN JIT Power Board PCBJumper Wire Chip Bead HCB3216KF-800T30 BullwillPallet Label ConnectorVSC 23.6 Hinge Assy HT POT LabelRST Chip MAX 0R05 1/4W Diode ESD EGA 10603V05A1-B InpaqUSB Board PCB Diversity of Tdrmnddbwbvspc compared with Tdrmnddkwbvspc Different Parts ListDiversity of Tdrmnddcwbvspc compared with Tdrmnddkwbvspc Location Part Number DescriptionName Company Add Tel Mail Title Fax Reader’s Response