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ViewSonic PJ751 ii 内容 维修 灯泡 ...............................................................................................29 灯泡寿命 .......................................................................................29 更换灯泡 .......................................................................................30 清洁空气过滤器 .............................................................................31 投影机内部维修 .............................................................................32 清洁镜头 .......................................................................................32 清洁显示器外壳及遥控发设器 .......................................................32 疑难排解 OSD 信息 ......................................................................................33 故障诊断 .......................................................................................34 规格 外观尺寸 .......................................................................................35 客户支持 .......................................................................................36 有限保证 ViewSonic 投影机 .........................................................................37 附录 电源线安全规定 .............................................................................38 针对美国的达标信息 .....................................................................40 针对加拿大的达标信息 ..................................................................40 欧洲国家遵守信息 .........................................................................40 所有国家用户信息 .........................................................................40