Question about Hisense TA42P40M 42 in. Plasma Television

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I change the main board on my hisense tv 46" and it dont power up what must i do

Replace the main board

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Fault with 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 Dec 01, 2014

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Posted on Jan 02, 2017

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Related Questions:

1 Answer

Hi, I have a Hisense 55" TV and recently the Left 1/3 of the TV has dimmed considerably. What are your suggestions as I have only owned the TV for about 2 years?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Feb 22, 2017 | Hisense Televison & Video

1 Answer

HiSense LCD42W57PK TV not coming on. You can hear the relay click. Suspect the power supply


Main digital board fault. Check and replace it. A software update might be necessary after the main board replacement. If you wish to get more details visit the site linked here. http://homenol.blogspot.com/ http://electronicshelponline.blogspot.com/

Feb 20, 2017 | Hisense Televison & Video

1 Answer

Hisense 55" Model # 55H6B electrical crash


Main digital board fault. Check and replace it. If you wish to get more details visit the site linked here. http://homenol. blogspot.com/ http://electronicshelponline.blogspot.com/

Jan 30, 2017 | Hisense Televison & Video

1 Answer

Have a 46" Hisense TV want power up n no back light. Thier is only one board in it could it be that board


Yrs. That is. 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.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Jan 16, 2017 | Hisense Televison & Video

1 Answer

Hey im having problems with my tv it turns on but all i see is a black screen i can hear sound and everything perfectly and theres no back lights my tv is a hisense 55 lcd tv pls help


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Jan 06, 2017 | Hisense Televison & Video

1 Answer

My hisense tv dont power i dont know what going on with it


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.

Dec 07, 2016 | Hisense Televison & Video

1 Answer

Buzzing sound from my hisense led LCD tv


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.

Sep 30, 2016 | Generic F46K20E Hisense 46 in. LCD HDTV

1 Answer

Hisense 46" or 48", not sure which, will not change input source. currently on HDMI 3 for fiber optics cable but when HDMI 1 or 2 is selected the source won't change, it just stays in HDMI 3.


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. Surf the site with patience. 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.

Sep 05, 2016 | Hisense Televison & Video

1 Answer

Lcd Hisense TV powers up with blue light,but no picture and sound.


Main board is probably bad or the power board is not powering the main board. Common problem with Hisense tvs and their customer service is lacking if under warranty. My hisense chromebook has been dead for almost 2 months...still waiting on a return authorization for warranty repair.

Jul 03, 2016 | Hisense Televison & Video

1 Answer

What makes the HISENSE LCD (Model LCD 42W58P1) power supply failed to produce output voltage goes to the main pc board?


Hi,
First of all the power supply makes 'Stand By 5 or 3.5V which goes to main board. When we give power on command to the TV the main board sends 'stand by or Power ON' command to the power board which then makes other necessary voltage for the main board as well as other sections. If the power board does not receive 'Power On' command from main board, it will not produce the necessary voltages to operate the TV set.

May 20, 2015 | Hisense Televison & Video

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