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Without knowing the codes for the specific brand names and models of your devices, this is how you program the Zenith MBR3447 for your TV, VCR, DVD Player, CD Player or Audio Receiver:
TV
1. Push the "Power" button on the TV to turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "TV" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the TV's IR sensor and push the "Power" button. Pause a second. If the TV fails to shut off, push the "Power" button again. Repeat until the TV does shut off. Each time the "Power" button is pressed the Zenith MBR3447 tries using a different TV device code from its code library to turn the TV off. Therefore, when the TV finally does shut off it's an indication that the remote is temporarily programmed with the correct device code to control the brand of TV you're using.
6. Press "Enter" to save the current code.
VCR
1. Push the "Power" button on the VCR to turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "VCR" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the VCR's IR sensor and push the "Power" button. Pause a second. If the VCR fails to shut off, push the "Power" button again. Repeat until the VCR does shut off. Then press "Enter."
DVD Player, CD Player or Audio Receiver
1. Push the "Power" button on the device your programming the remote to control to manually turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "AUX" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the device's IR sensor and push the "Power" button. Pause a second. If the device fails to shut off, push the "Power" button again. Repeat until the device does shut off. Then press "Enter."
This is a very common problem in these sets. I would recommend taking it to a certified repair shop. What normally happens is that the x-ray protect transistor starts to "leak" (electricity, not fluids) and shuts the unit down. The repair is not too costly.
Sounds like you have a bad picture tube. More than likely the CRT could be shorted, which would cause the set to shut down. My first advise would be to power up the set with an isolation transformer with the voltage about 60% approx. 72 Volts AC, and monitor what happens when you increase the voltage slowly. If the set remains on at 60 -70 %, then when increased to 90 - 100% it shuts down, you have something drawing too much current ( which could be the CRT )
The power supply (AC adapter) is bad. It has enough power to light the red LED, but not enough to power the TV.http://shop.ebay.com/?_from=R40&_trksid=m38&_nkw=12+volt+5+amp+power+supply&_sacat=See-All-Categories
Pushing the - volume button on the tv and split above the play button at the same time for ten seconds or - volume on the tv and the split control button at the same time. The lamp reset message should come on.
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