12-15-2017, 10:34 PM
The TM1 module consists of a photo resistor and a light bulb. the light flashes, causes the photo resistor to change resistance (it can either go higher or lower, but in this case I believe its lower) In your case, because when you move the intensity knob to the right the sound drops off, it sounds like either your photo resistor is disconnected, or it is open. you can check this by disconnecting it and seeing if there is any change. my guess is it will behave the same either way. You can also test it with a multi-meter. it should measure like 1-10meg in darkness and anywhere from 1k-50k in light. I don't really know the photo resistor they used in the TM-1.
So I agree with Bruce at fliptops, it is the module. This doesn't mean that you can't fix it. it just means that we're going to have to experiment and find something that works.
Can you post a picture of the photo resistor and module?
So I agree with Bruce at fliptops, it is the module. This doesn't mean that you can't fix it. it just means that we're going to have to experiment and find something that works.
Can you post a picture of the photo resistor and module?