松下ＮＶ－Ｆ５５录象机故障检修两例例一不能进行节目录制，也无录象标志显示，其他功能正常。分析与检修由于该机重放正常，仅不能录制节目，可以排除磁头发生故障的可能性，应从下列三个方面寻找原因：一是磁带防误抹片被拆除、机器只能重放而不能记录；二是信号传输通... Panasonic NV-F55 video recorder troubleshooting two cases can not record a program, there is no video logo, the other functions are normal. Analysis and maintenance of the machine as normal playback, the program can only record, you can rule out the possibility of head failure should be from the following three reasons: First, the tape anti-smear tablets were removed, the machine can only be played back and can not record Second, the signal transmission ...