Question about Toshiba SD-V392 DVD Player/VCR
This machine will not record on any tapes, thinking all tapes are read-only, although the same tapes record fine on other machines.
At the back of all tapes, there is a plastic tab. To make the tape read only, you break out the tab.
All VCRs have a sensor (usually a simple switch) that checks to see if the tab is broken. This sensor has gone bad.
Put a tape in. Unplug the unit. Take the top off and look where the tape is. Find the location of the tab. You should see the sensor there. It will be a switch, and may use an actuator to "poke in the tab hole". Make sure the actuator is good (that it doesn't look broken or out of alignment). At the other end of the actuator should be a switch. You can try to spray some cleaner into the switch, and then work it. If this doesn't work, you could replace it but you would need to know soldering. Also, you might be able to get it to work by shorting the switch leads together (50:50), but you also would likely have to use solder. You might be able to twist a piece of bare wire around the switch leads. These solutions would cause the unit to think all tapes are recordable, even if the tab has been broken out.
If the sensor is not a switch, but an IR pair (a U shaped sensor) then there might not be much you can do. Make sure the actuator is working (it will usually have a flat piece on it that will fit into the U shaped sensor to block the infrared light, make sure it moves freely). Again, if you knew which side of the sensor is the transistor (it might be marked on the curcuit board with E and C) you could drop some solder on it to turn it on all the time. Again, this is 50:50.
Posted on Feb 14, 2008
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