ViewSonic Va703m4 Service Manual

Firmware Update Procedure   
 
1.  The monitor’s firmware update for VA703m/b have two method.   
1.1. Download the MCU IC  by the fire machine. This procedure is finished in  SMT. 
1.2. ISP Method. When the monitor’s BIOS  isn’t exist or firmware isn’t final program, this method Is worked by ISP 
Cord with monitor . 
2.  VA703m/b monitor upgrade firmware by ISP Cord.  
2.1. Equipment Needed 
-  USB cable for print port *1 
- VGA cable*1 
-  LPT cable (25pin)*1 
- AC  power cable*1 
- ISP  fire cord...

LPT CableAC power Cable VGA Cable
USB FOR PRINT
ISP3.0  SOFT
 
2.2.  Setup Procedure  
2.2.1  Connect PO1 of ISP fixture with print port of computer by LPT cable 
2.2.2  Connect PO2 of ISP fixture with USB port of computer    by    USB cable 
2.2.3  Connect PO3 of ISP fixture with monitor VGA port by VGA cable 
2.2.4  Connect mouse, keyboard, AC power, monitor with computer 
2.2.5  Plug AC cable in power adapter AC jack   
2.2.6  Connect power adapter DC_OUTPUT port to main board DC_IN port 
2.2.7...

PO2 to USB cablePO1 to LPT cable
PO3 to VGA cable
jumper
AC JACK DC_IN port
VGA port 
  NOTE: 
Do STEP2.2.6 and STEP2.2.7 for monitor’s main board only. Monitor firmware upgrade will jump this step. 
 
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2.3. Soft install  
Install ISP3.0 program by selecting and clicking “ …\isp3.0\setup.exe”, press  “YES” or “NEXT” buttons 
until setup is complete. 
 
 
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Installation  will create a icon for ISP application  in “START MENU”\PROGRAM 
Press “finish” button exit setup
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STEP1: Choose the DCC written Program 
set up the DCC written fixture ,check whether the  connection between main board is in well 
condition ,see attached file 1.1&1.2 per the  product model ,choose the corresponding Model, DCC 
written process, the model mr171-AAA should apply the SIP Program 
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Firmware and EDID upgrade/update Methods 
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STEP2: Creat security file 
Choose the Tab create Security File  to enter next Dialogue Item 
 
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STEP3: Input the related parameter, save them and take up the next step 
 
STEP4: Choose the Tab MTV TYPE Choose the MTV512M64 from the TAB ISP ITEMS 
 
DCC Written model Diagram Table as below 
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