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故障现象VPR-2/2 B用AST磁头重放时,按下上排视频键(VIDEO),然后再按下下排的解调器视频输出键(DEMOD OUT)及TBC视频输出键(VIDEO OUT)时,监视器上
Symptom When the VPR-2/2 B is playing back with the AST head, press the video button (VIDEO) in the upper row and then press the demodulator video output button (DEMOD OUT) and the TBC video output button (VIDEO OUT ) On the monitor