| 摘要 |
In a display apparatus, a switch circuit including transistors is turned off to isolate a scanning line driving circuit and scanning lines from each other, the output of the scanning line driving circuit is inspected by the output from a terminal of an inspection circuit for the scanning line driving circuit, and the switch circuit is turned on to supply the output of the scanning line driving circuit to the scanning lines to check for a disconnection or a shorting of any of the scanning lines in accordance with the presence or absence or the magnitude of the voltage change appearing across the scanning line inspection circuit.
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