Video not showing pitcure, but does have audio
Sounds like really dirty or worn heads inside the unit. If it is just dirty heads, a head cleaner won't shift all the muck off the surface of the drum, as it will collect while the tape is moving past. You will need to unplug the machine from the power point, carefully remove the top cover, access the head drum, and carefully swab the surface with alcohol or methylated spirit (whichever is easier and cheaper to obtain) - do NOT use Q-tips on the drum, use special flat swabs (available from most electronics stores, like Radio Shack etc.) - moisten these and carefully wipe in a horizontal motion, gently rotating the drum in an anti-clockwise direction. Also carefully clean the CTL head (usually on the right hand side in VHS decks) and FE head (on the left side of the drum) also check the condition of the pinch roller (making sure it's not shiny) and the capstan shaft (near the roller) should also be clean. Once done, carefully put the top cover back on (do not put any screws back just yet - as you may need to remove the cover once more to check/clean again) plug into power point, put a tape in, and do a test playback. If the picture appears clearer, you can stop the tape, unplug machine, put the screws back into the top cover, declare the job done. All it will cost you at this stage would be the methylated spirit/alcohol cleaner, and special flat swabs. If you cannot get the swabs, you can use flat strips of clean paper dipped in the alcohol/metho to gently wipe the muck off the drum. I have done this with many VCRs with success.
If cleaning them via this simple method does not improve things, the heads are most likely worn, which means an expensive repair, as they would need replacement and alignment by a qualified technician. Judging by your post, it sounds to me like a simple case of clogged heads which a simple clean should fix - avoid using head cleaner cassettes in the future except in light cases as they are not 100% reliable.
Jan 30, 2013 |
Toshiba Dvr20 Digital Dvd Recorder And Vcr...