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the clicking sound is due to the relay is getting turn on but doesn't stay because of bad component in the power supply board or in the main board. you must check first the bridge type diode and FET transistor using an analog or digital tester.
If your unit is several years old you probably have a drity laser. If you feel confident unplug unit. Remove the cover. Remove any covers over the laser assembly. You will see the lense. It points up towards where the disk would be when inserted. Using 200 proof grain alcohol and a lint free cotton swab, carefully with no pressure on the lense wipe the same until the film comes off. Blow dry with canned air. Reassemble everything and you should now be in business. If the unit still does not work you probably have a weak or defective laser and would need a new laser assembly installed. Hope this helps.
This is a very common problem with the 32" TDA-03211C TV/DVD combo unit. Poloroid sent me three replacement DVD units in the first year and each began doing this same thing after a few months (chunking noise and could not load disks). Finally my warranty expired and it failed again. I ended up with two units left after all those exchanges, so I took one apart to see if I could figure out what was going wrong.
In switching the units out one day, I noticed that the forward facing side of the DVD box was getting very warm even when it is not being used. Also, the dvd's felt very warm when ejected from the unit. I also noticed that the metal plate which is behind the picture screen and only about 1/4" from the forward facing side of the DVD box was even warmer (about 110 to 120 degrees F). This heat is distorting the thin metal and plastic parts in the DVD unit, causing the parts not to be in correct contact and alignment (disk won't play and sometimes won't eject).
With the front and top covers removed from the DVD box and the box laying flat on a table (and no dvd in unit of coarse), I pushed downward firmly on the black plastic disk at the top of the drive, and also on the lever arm that is accessible through a hole near the left front of the unit until they bottomed out to bend them down some (the lever arm was warped upwards where it was actually rubbing the top of the case - that was the chunking sound I heard).
I then went to O'Rielly auto parts and bought a 1'x2' sheet of exhaust manifold gasket material for $8. This material is not flamable and will withstand temperatures that would melt this TV into a puddle. I cut the gasket material so that it would fit neatly inside the top cover of the DVD box (metalic side up), then put the top cover and front cover back on the unit. I cut another piece of the gasket material to fit snugly in the space between the forward facing side of the DVD box and the metal plate that is behind the picture screen (metalic side facing picture screen). I then reinstalled the DVD box into the TV. It was a little tighter fit than before, but went in OK and is still removable with some effort.
Both of the previously non-functioning DVD units I have play fine now in the TV. The disks eject perfectly every time now and I notice a significant difference in the temperature of the disks when I eject them. No more strange noises either.
These DVD units are fine and are actually quite well built, but they are just mounted too close to a heat source. A little insulation is all it needs. I cant believe Poloroid's design people can't figure this out.
Turn it [the TV] on its RIGHT side......... slowly press the eject button once every second. Pay attention to gears winning [as if something is trying to catch. If that don't work try it on its LEFT side. The gears have to be on one of the sides. If you continue to have the same problem, u need to replac the PLASTIC gear assembly.
Whatever you do, DON'T try ejecting it manually. it can ruin the dvd mechanism. The problem is in the dvd power supply. If you have some soldering skills and are good with a soldering iron(temperature controlled is best) you can resolder all the three-legged regulators on the dvd power supply board(small board to the right front of chassis). Good success, Meder's Tv
Theres no reset as I know but I only had a couple of these types of RCA and both had tv problems.. In todays VCR's there are no belts to replace or go bad. Mostly all nylon gears and plasic chassis. Most of the faults that lie with todays VCR's are bad Capstan motors ,defective tape loading carriages, defective mode switchs or sometimes even bad cylinder motors. If any of the gears break or cracks it will completely throw the unis mechaism out of alighnment and you will need to know from the manual where to set every gear ,lever and switch or it will never work.. Thats why most VCR;'s today are throwaway as you have to buy a service manual spoend time finding out why the mechanism dosent work and then buy the parts to correct the fualt. Good Luck to ya and heres a # you can call if you do decide to take the unit in for service by an RCA guy..