Sanyo LCD-42XR56DZ Service Manual page 13

Note 2: Burning and upgrading software method with burning tool ISP
1） Main board upgrading: connect 4-core line of burning tool ISP to Debug port（location No. X807）
of main board;
Unit upgrading: connect both VGA ports between burning tool ISP and main board, then enter
into factory menu and set item "ISP Mode" as "ON";
2） Use on-line burning tool of Mstar, enter into menu "Device", select item "WP Pin pull to high
during ISP" as Fig. 2; for the normal erasing process, make sure hardware write-protect of Flash
is canceled;
3) Select menu "Connect", a dialog "Device Type is MX25L64" will be displayed as Fig. 3 , that is
to say connecting is successful;
If failing to connecting, select the first menu "Device" and select item "MX25L64" manually, then
press key "Connect".
Fig. 2 Write-protect setup
Fig. 3 Device MX25L64 successful connection