Question about Sharp Televison & Video
I wish it was that easy!! It is either that or the LED lights behind the screen. The OEM pushes those to their limits in order to get the brightest picture. When ONE of them fails, the power board shuts down the unit.
Posted on Feb 21, 2019
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Posted on Jan 02, 2017
SOURCE: LC-37AF3X Sharp Aquos KCD TV
If the TV goes in standby, then it is in protection mode.
Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
Try first leaving the TV power cord unplugged for some times, let say one hour or so.
The flashing light indicates a diagnostic state called protection.
When the TV 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 abroken contact, identified an internal fault and kicked in , starting the flashing light.
If you are in situation one, then the TV 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.
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.
If you want to DIY you find parts here,
All: Appliance parts, electronics parts & more from PartStore.com
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LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |
On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem
On Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board.
On Rear Projection : check lamp, lamp ballast, power board, and convergence.
On CRT TVs, check ballast , flyback transformer, CRT, Tuner, Convergence.
Posted on May 05, 2009
Ur power ic inverter board is dead.
U need a new one.This prob.very comon with SharpThe Sharp corp. is a joke,never release much of this part for sale.It almost imposible to find it.
Posted on Sep 05, 2009
SOURCE: I have a Sharp Aquos LCD TV Model LC-32BX6M , when I try to connect a new generation Android TV Box HDMI Out to TV's HDMI input the Android Logo appears and after sometime the screen goes blank t
S12 Mini Android 4.0 Mini PC Google 2,3 Box TV WIFI 1GB DDR 4 GB Nand Flash
I have android tv box after the first switch off my screen froze inscription ANDROID-lit after several hours of no change
Can anyone advise me how do I restore system
thank you for your help
Posted on Mar 14, 2013
Yes most likely it is the power board. if you want to save money and not purchase the complete board, you can replace the capacitors on the board. Sonys are known for faulty capacitors. If they look swollen then they are bad.
Posted on May 20, 2017
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