Question about LG Optimus F6 T-Mobile
Flashing red button while on charger and not powering on when i hold power button down
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Posted on Jan 02, 2017
The monitor is probably on protection.
To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.
If it is computer fault and no video signal , then test:
If it is monitor fault , then the monitor is on protection.
When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.
The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.
2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.
If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.
If you are in situation 2 , then there is an internal fault.
Common faults that can occur are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.
Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.
Try moving the video cable, and if the cable is not built in, then also try a replacement cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on May 04, 2009
SOURCE: Lg Vu wont charge
First you must determine is it the charger faulty or the phone ? , have you a friend with the same phone if so try her or his battery to see if your phone is ok if so try the charger with your battery and see if it charges if it does get a new charger , if it did not charge or work with your friends battery or charger the sorry it would be cheaper to buy a new phone than try to get it fixed ...
if you haven't got a friend with the same phone have a local electrician check if there is an output from your charger . if there is it may just be the battery try a new one if still no luck it is probably the phone's charger circuit gone pop ,, sorry .. vortash
Posted on May 13, 2009
dude just ask the customer care center you'r cell is on garrennty period so go on they will solve it for free just take your bill and your garrenty card with your cell...
Posted on Jul 19, 2009
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
Please post back what you find.
Posted on Nov 14, 2009
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
Posted on May 22, 2010
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