Sony DCR-TRV50 Operating Instructions (primary manual) - Page 229

Maintenance information and precautions Maintenance information Cleaning the video heads To ensure normal recording and clear pictures, clean the video heads. The video heads may be dirty when: •Mosaic-pattern noise appears on the playback picture. •Playback pictures do not move. •Playback pictures do not appear. •The x indicator and " CLEANING CASSETTE" message appear one after another, or the x indicator flashes on the screen during recording. If the above problem [a], [b] or [c] occurs, clean the video heads for 10 seconds with the Sony DVM-12CLD cleaning cassette (optional). Check the picture and if the above problem persists, repeat cleaning. [a] [b] [c] If the video heads get dirtier, the entire screen becomes blue [c]. Cleaning the LCD screen If fingerprints or dust make the LCD screen dirty, we recommend using the Cleaning cloth (supplied) to clean the LCD screen. When you use the LCD Cleaning Kit (optional), do not apply the cleaning liquid directly to the LCD screen. Clean the LCD screen with cleaning paper moistened with the liquid. Additional Information 229