You may have a burnt out blacklight... You can fix it easy by having the tv on while it’s a bright picture than quickly unplugging it... or it would be best to get a new TV.
If you have the audio cables hook up correctly to where the video cable from DVD is connected to, it should be RED and WHITE wires for audio. Then go to on screen audio setup menu to see if the speakers is turn off in the menu. Also try hooking up the powered PC speakers to the AUDIO LINE out RCA jacks to see if you get the sound OK there.
I dont know if they will have what you are looking for but try: www.eserviceinfo.com you might find it there. By the way why not use an oscilloscope? Good luck in your search.
You can just buy a new remote. Test it using the smartphone front camera trick. Or it is the television that has no signal, do a Power Reset. Pull the mains plug for 5 minutes. Press and hold the power button on the set for 1 minute. Plug back in. Also check the input leads on the back for whatever is supplying the signal, Cable, Satellite, OTA, then check the Source button on the remote.
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You can enable customize Parental Controls via your TV's on screen menu. If you have previously set a password, you will need to re-enter your password to begin. If you have forgotten your password, try 0000 (four zeros) or 3448 (the default password may vary by TV model, so consult your User Manual for details). You can find detailed instructions for using the parental controls in your TV User Manual, available for download at InsigniaProducts.com. Just search for your TV model number and click on the Support/Download tab. I hope this helps.
I suspect that your Insignia TV has an ATSC (digital tuner). The VCRs only have NTSC (analog) tuners. If you have a digital to analog converter box, you can connect that to any of the VCRs and tune in the channels. You will have to tune in the channel at the converter box. Ensure that you disable the sleep mode, if the desired program you want to record will air later.
There is one DVD/VCR that I know had an ATSC tuner, the Panasonic DMR-EZ37VK. It's still listed for sale at Amazon and E-bay, among others. A few other manufacturers may have come out with models with digital tuners. However, I didn't spend much time looking into them. They all had MSRP >$300. I connected my VCR/DVD recorder to the composite out of a converter box for <$50.
I hope this helps.
Cindy Wells
(In the US, only a few low power stations were allowed to remain broadcasting analog signals at the initial switch-over date. Some of them have stopped broadcasting entirely.)
