Question about Zenith Z37LZ5D 37 in. LCD TV

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My Zenith TV Shuts off and will not turn on, no indicator light on, what can I do?

Shut off, now will not turn on, no indicator light on

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Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Apr 30, 2015

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Hello;

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:

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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."

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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."

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IF YOU NEED MORE INFORMATION ABOUT THIS MODEL
VISIT
www.tv-solutions.redtienda.net

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