ViewSonic VSXXXXX service manual Hardware Connect status Update the NOVATEK’S firmware, Pc Lpt

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LPT Cable

VGA Cable

Hardware Connect status

5.2.2 Update the NOVATEK’S firmware

You should jump the pin to “For Flash” at ISP Board

Connect to the

PC LPT

Connect to the VSC

VA2427wm

26

Image 26

Contents ViewSonic VG2427wm VG2427wmSM Rev a MarTdrmnddcwbvspc TdrmnddkwbvspcTdrmnddywbvspc TdrmnddbwbvspcTable of Contents Product Safety Notice Precautions and Safety NoticesSafety Precautions Service NotesHanding and Placing Methods Correct Methods Incorrect MethodsPage Specification Front Panel Function Control Description Do the following to adjust the display setting Following tips may help you optimize your displayControl Explanation Audio AdjustMain Menu Controls Page Page Circuit Description Main BoardPin Assignment Page Page Page Page Function Pin DescriptionsName Pin # Power Board Typical ApplicationBlock Diagram Pin Comp GND OUT VCCPin Diagram Functional Block Diagram IC801 TA9687GNPin Description Pin No Names Enter into Burn/in mode Adjustment ProcedureWhite balance, Luminance adjustment Enter into the factory modeEquipment needed Firmware Upgrade ProcedureISP Board Hardware Connect status Update the NOVATEK’S firmware PC LPTPage Page DDC Key in Procedure Install softwareFor analog Page Troubleshooting Flow Chart Block Diagram DIM ON/OFFMosfet Schematic Diagrams 0R05 1/10W 5%FB402 TO252 0402 Power Board Power XFMR7 IC with Heat-sink90G6295-3 PCB Name Key BoardTPV Model USB Board UpstreamPCB Layout Diagrams Page Power Board Page Key Board USB Board Page Exploded Diagram and Exploded Parts List 10.1 EPLDescription Part Number Qty 10.2 PPL Recommended Spare Parts List Location Part Number Description RemarkCONN.6P 1.0 DIP Cbpc LabelWafer Wafer 30P 2.0MM DIP Dual ROWPage Chip 22PF 50V NPO RST Chip MAXRST Chipr Chip Bead Chip 5PF 50V NPOBead 300Ω Chip Bead FCM2012VF-301T07 BullwillUDZSNP5.6B Rohm Dome Switch 5PCSPIN PWPC9D41MQWU Power Board TRA LMBT3904LT1G 200MA/40V SOT-23 LRCCAP CER 56PF J 3KV IC PC123Y22FZ0FRST Ntcr 8OHM £«£20£¥ 4A Xianzheng Choke by LI TADiode SP1060 ITO-220 Secos Screw HS1Heat Sink Screw HS21ST Chipr RST Chipr 3.6KRST Chipr 6.2KOHM +-5% 1/10W Yageo RST Chipr 1KNPO RST Chipr 820KOHM +-5% 1/4W FenghuaX7R Chip Bead HCB3216KF-800T30 Bullwill Power Board PCBJumper Wire BAV70 SOT23 by PAN JITHT POT Label ConnectorVSC 23.6 Hinge Assy Pallet LabelRST Chip MAX 0R05 1/4W Diode ESD EGA 10603V05A1-B InpaqUSB Board PCB Location Part Number Description Different Parts ListDiversity of Tdrmnddcwbvspc compared with Tdrmnddkwbvspc Diversity of Tdrmnddbwbvspc compared with TdrmnddkwbvspcReader’s Response Name Company Add Tel Mail Title Fax