Sharp LC-32SV502B Service Manual page 39

LC-32SV502B/LC-42SV502B/LC-42SV602B/LC-46SV602B/LC-46SV502L
Step5. When the tool displays "NG" in the yellow blank, which represent writing failly. Please check the whether the connection of tool and cables is
nomal and retry. Another way is to change a new ISP board and retry.
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