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Astar Magnavox 19MD358B 19 in. LCD TV Questions & Answers
Magnavox 32 inch lcd wont come on. At first screen
very likely it has a bad cap in the power supply
if you are qualified , and know how to check the caps are in the powersupply section look to see if one or more caps have bulged at the top of the cap
if you can't find any you will need to call a service tech
The set keeps flipping uncontrollably
Only 4 possible reasons I can think of:
1) A problem with the remote control-----very unlikely but possible.
2.) A problem with the keyboard or button assembly on the front of the set; The set would have to be opened up and the keyboard or switches disconnected or disabled to see if this is the problem.
3.) Some of these units have an AUTO DEMO MODE that once engaged cycles the set through all of its functions--a display of everything keeps running until the Demo mode is turned off--instructions for this should be in the owner manual or available from Philips (Magnavox).
4.) The nasty possible reason is the set may have a micro problem;all commands from front buttons and remote are routed to the micro and it executes what it is told to do. If this turns out to be the problem most of these sets (19 inch combo) none of the boards are usually available as the unit was made by another company for Magnavox.
Confirm the actual model number to me and I will see if I can find which boards are or are not available.
SD TECH
Astar screen stays white when turned on
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.
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.
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