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DLPDLCR2010EVM-PCB来料异常

我司购买的DLPDLCR2010EVM-PCB,有一块异常,客户进行对换试验测试,确认为驱动板本身问题,导致光机花屏,

说明:
1、  经过互换试验,异常跟随3#板,确认3#板异常;
2、  从外观上看,3#驱动板DMD 连接器有re-work过的痕迹,且连接器因re-work导致变形严重,初步分析为re-work导致连接处阻抗不匹配引起花屏异常,

OP01项目Demo驱动板来料异常情况说明.pdf