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故障现象(59):转换频道后,无光栅,电源指示灯亮。检修:VQ841(2SA1320)集电极与发射极穿透电流很大。更换之。故障现象(60):图像暗。
Symptom (59): After switching channels, no grating, power indicator light. Overhaul: VQ841 (2SA1320) collector and emitter penetration current is large. Replace it. Symptom (60): dark image.