Step 4 Press STOP when the counter reaches 010. This should correspond to 30 seconds.
Step 5 Remove the cleaning cassette,
NOTE: Do not rewind the cleaning cassette after each 30 second use; wait until it reaches the end of the tape. It can be rewound and used over many times, but after prolonged use it will require replacement.
CAUTION: Do not overuse the cleaning cassette as it uses abrasives and may decrease the life of the machine,
Manual Cleaning of Videocassette Unit and Removal of Cover— 3/4-Inch U-Matic
If the cleaning cassette will not restore the picture or if the tape is jammed inside the machine, it may be necessary to get inside the VCR. if you feel reluctant to do this, find a video repair shop or skilled video person. If, on the other hand, you want to tack le this yourself, proceed as fol lows:
Step 1 Make sure the VCR is turned OFF,
Step 2 Remove the screws from the back of the top cover. You will need a small screwdriver (Phillips with some, regular with others), or a METRIC Allen wrench for older Sony models.
Step 3 Carefully lift up the top cover, sliding it out HORIZONTALLY from the rear.
Step 4 Clean the heads and tape path guides just like you would do with a reel-to-reel VTR. See the first part of this chapter. Two features are unique to VCRs:
The entire video head assembly rotates with the heads. Merely turn the head assembly to locate the individual heads.
The control track and audio heads are hard to locate and clean. Follow the tape path to find the various heads and check for deposits on the tape path gu ides.