Question about JVC LT-47X788 47 in. LCD HDTV

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Just bought JVC lt47x788 and did not receive owner's manual and do not know how to do the initail setup. When we turn on the tv it says no program or weak signal.

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Here is a link to download the manual. Let me know if this helps and please rate this solution.  lone99star

Posted on Jan 11, 2009

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary..

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The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main 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. 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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. .

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Try Googling (jvc)(hr s 5900)(manual) without parens.

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When CRT JVC TV is first turned on, the image looks shrunken and warped, eventually, the image looks fine. What to fix?


SMPS fault. Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
Check all the electrolytic capacitors.

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Would like to know the codes for a LG tv, Sony tv, and a TOSHIBA DVD ?


How to Program


Remotes With SET Button
1. Choose and press a device key i.e TV. LED will flash once.
2. Press "SET" Hold until the LED Lights up.
3. Enter the 4-digit Device code (refer code list).
4. The LED will flash once as each number is programmed at the end of the 4 digit the LED will turn off immediately if correct. If the LED flashes then something went wrong in the process. If the first code does not work then repeat the process with the next.
5. Important - Some brands use other manufacturers to make their devices if the codes available do not work the try the MAGIC search function.


Remotes Without SET Button
1. Choose and press a device key i.e TV. LED will flash once.
2. Press and hold BOTH the CHANNEL UP AND VOLUME DOWN button until the LED Lights up.
3. Enter the 4-digit Device code (refer code list).
4. The LED will flash once as each number is programmed, at the end of the 4th digit the LED will turn off immediately if correct. If the LED flashes then something went wrong in the process. If the first code does not work then repeat the process with the next.
5. Important - Some brands use other manufacturers to make their devices if the codes available do not work the try the MAGIC search function.


MAGIC SEARCH FUNCTION
1. The magic search function enables you to scroll through the entire code list one by one by pushing the on/off button. Each time you push the on/off button the remote automatically switches to the next code in the list and sends a signal to the device you have chosen.
2. Choose and press a device key i.e TV. LED will flash once.
3. Press and hold the SET button or if no SET button then hold BOTH the CHANNEL UP AND VOLUME DOWN button until the LED Lights up.
4. Enter the 4-digit Device code (refer MAGIC list) i.e TV is 0001.
5. The LED will flash once as each number is programmed at the end of the 4 digit the LED will turn off immediately if correct. If the LED flashes then something went wrong in the process.
6. Start scrolling by pushing the ON/OFF button as soon as your TV or Chosen device turns OFF lock the code in by pushing the DEVICE key again.

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This post can't be removed or moved, please re-post the question in the correct product category. Thanks

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1. While pressing and holding down the TV POWER button, press the CHANNEL UP or CHANNEL DOWN repeatedly until your TV is turned on (or turned off if you had it on). 2. Release TV POWER button when the TV turns on or off. The remote's TV POWER button will now control the TV.

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