It is important to familiarize yourself with the location and appearance of the video heads. Look at the photo below that has the top of the drum removed and examine their location on the video disk. Whenever cleaning anywhere near the drum assembly and the video heads USE GREAT CAUTION. Even the slightest incorrect contact can cause them damage. You will be instructed later about how to clean them. Now that you are familiar with the video heads let's examine the rest of the tape path components. To continue to the next panel click here. To go back to the previous panel click here. Notice: This selection has a second page. NOTE: Model above is the GCS-50, not all units have four video heads, some have just two. For more pictures of video heads open this link: Video head replacement.