Hey I found this modelo television out by the dumpster looked like it was ok noticed it wouldnt turn on. Then i noticed the power cord was frayed. Figured i might try to fix it but need to find a cord.Any ideas?
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Hello Check the On/OFF switch first. Then check the AC cord. If both are OK, open the TV, and check the fuse. There is a glass cartridge type, replaceable fuse on the power regulator section. If found opened, replace it with same type and number.
You will need to remove the back of the TV. Don't worry, it's not that bad.
There are 4 screws across the top, one on each side, one right next to
where the power cord goes into the back of the case, and the two more
by all of the video connections **These are the most important to
remove because they attach the main board to the back of the case.
Once you have remove the screws then the entire back of the set will
slide off. If you look where the power cord attaches to the board you
will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace
it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four
pack costs between $3 and $5.
Make sure that you check that it works before putting it all back
together. Check for any loose connection cables while you're back
there. I found a few when I did this.
Got it fixed. Removed back off tv and found the fuse right where the cord enters. Removed fuse[didn't look like it was blown] and got new one from radio shack, installed and now the tv works. That was all it was. Thanks again
If you don't have any indicators working, you have probably lost your power supply. With no picture and no sound the chances are you have either lost the power supply or blown a fuse. If you remove the cover and look at the circuit board there is a fuse located near the rear of the chassis near where the power cord connects to the chassis. If the fuse is blown, it is advisable to replace your damaged power cord before replacing the fuse. The cord could have a short and this could create a fire. Be very careful when working on any television. Be sure it is unplugged for more than one day to allow the high voltage to decay from the picture tube. Do not touch the picture tube, it still may have some residual voltage and could shock you. If you replace the cord and fuse and still have the same problem, you will probably find that the high voltage transistor is bad and needs to be replaced.
I would pull the cover off to see if the tube and the board on the CRT are not damaged. If it looks ok, turn set on and observe if there is any activity visible at the neck of the CRT (light). Wehn a set with a large tube starts-up, it wil make a fuzzt crackle noise fro the high voltage charge in the tube. If non of this is happening, check main board for cracks.
Unit is probably salvageable for point to point solder job, but as far aspart replacement for HV power supply, I would not do it. It is not cost effective.