Hi everyone. I have a Hitachi VCR. I did not use it for few years. First i used cleaning tape just in case. After i tried few tapes i see a strange VCR problem, video is great but audio volume is too low, very very low. I do not know what is going on and asking if somebody have seen the same problem. Thnx
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Head (audio) dirty or damaged. Use isopropanol and printer paper, not cleaning tape.
https://youtu.be/UcIlIJiZD5k?t=220
Is your VCR HiFi? -
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You'll see the linear audio/control track head next to the capstan/pinch roller
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It might help if can take and upload a photo of the transport section of your Hitachi VCR with the camera looking directly down at it. We can probably attach an arrow to the photo pointing out the audio/control head.
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99.9% isopropyl alcohol or denatured alcohol are usually recommended
https://homerecording.com/bbs/threads/best-alcohol-for-cleaning-tape-heads.386310/
For the stationary head, q-tips or similar is OK -
Do not use cotton sticks. Only white paper. Although you can try cotton sticks on the audio head. In an audio head it is important to clean the edges, and cotton sticks may not reach there due to their shape.
Use Isopropanol 99% (few dollars).
https://youtu.be/e_VpX7aeTBA?t=86Last edited by rgr; 18th Oct 2024 at 16:19.
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[Attachment 82928 - Click to enlarge] I did the photos -
And remove the whole lever. That green cleaner definitely doesn't clean the head anymore.
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Here's a marked photo of an audio/control head out of the VCR. The audio erase head is the dark coloured one on the left. The entire faces should be cleaned but the actual operative sections are circled. The red area at the top is for audio, the green for the control track. (The audio head in this photo happens to be stereo while your is probably mono. So they look a little different but the cleaning is the same). They need to be spotlessly clean. It's good to see the face clearly enough to see when it's dirty and when it's clean. If yours has failed because of dirt, you should be able to see that dirt on the head face. That probably requires viewing with a small inspection mirror in a good light. Some inspection mirrors are magnified which also helps. Some heads like this one pictured have a metal overhang at the top making it harder to see. Again the inspection mirror allows us to see under that overhang.
Be gentle though. The metal is quite soft and can be easily scratched. Dont use anything abrasive or harsh solvents. If it means using less pressure against the head but taking longer to remove the dirt, so be it. Obviously as mentioned, the green tyre should be removed to avoid it depositing more muck. Be patient. Take your time.Last edited by timtape; 18th Oct 2024 at 22:51.
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