Question about Televison & Video
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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
Encompass Parts Distribution
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
There is no manufacturer's pin code. There are discrete remote control codes. If the problem is that the television is asking for a four digit code you have to go through the steps to clear all.
Press MENU to display the MENU screen, and then press to select "Setup."
Press ^/v to select "EZ Setup." "CH Setup," "Parental CTRL" or "Reset," and the Secret number Input screen displays.
Press and hold both CH ^ and VOL + on the TV simultaneously until the message appears on the screen.
If the problem you are having is that the television will not change inputs when you press the input button or something similar you will need to complete an Industry Initialization.
Posted on Dec 24, 2010
You can get the manual on the link below.
Posted on Jan 01, 2011
SOURCE: I forgot the parental control code Aquos Quattron TV Sharp LC-40LE835U, change the factory code, wanting to restore everything, ask me the code, and forget to the code. Note: use codes 0000,1234,3
Refer its user manual for more details. It will have the default reset code.
Posted on Mar 17, 2014
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