Question about ViewSonic VA712 17" LCD Monitor

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No display just a second blink once only, power adptor ok

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Check the cable connection on the computer but it might be that the graphics card in the computer is either disabled or needs to br replaced

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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SHARP LED TV does not power on


Sounds like main board fault. These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
Blinking codes details of many popular brand TVs are given. Surf the site with patience.
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.

Feb 10, 2016 | Sharp Televison & Video

1 Answer

Stove clok is not showing time


try pressing the clock button after setting the clock .^-^

Mar 09, 2015 | Kenmore Kitchen Ranges

1 Answer

Hi I have a panasonic split air conditioner. It turns itself off immediately after turning on, the timer button then flashes and that's all.... I have checked for an error code it is H00. I have also made...


Hi Tania,
Have you gone through this checking sequence.? it's from a Panasonic a/c manual. It could be something as simple as a clogged filter. Once you have rectified the fault, you will probably have to clear the fault code as described at bottom below, before it will condescend to work again.
David
  • Once error occurred during operation, the unit will stop its operation, and Timer LED blinks.
  • Although Timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will ON again.
  • In operation after breakdown repair, the Timer LED will not blink. The last error code (abnormality) will be stored
    in IC memory.
14.2.2 To Make a Diagnosis

  1. 1 Timer LED starts to blink and the unit automatically stops the operation.
  2. 2 Press the CHECK button on the remote control continuously for 5 seconds.
  3. 3 "- -" will be displayed on the remote control display.
    Note: Display only for "- -" (No signal transmission, no receiving sound and no Power LED blinking)
  4. 4 Press the TIMER ? or ? button on the remote control. The code "H00" (no abnormality) will be displayed and signal will be transmit to the main unit.
  5. 5 Each press of the button (? or ?) will increase error code number and transmit error code signal to the main unit.
  6. 6 When the latest abnormality code on the main unit and code
    transmitted from the remote control are matched, Power LED will
    light up for 30 seconds and a "beep" sound (continuously for 4
    seconds) will be heard. If no codes are matched, Power LED will light up for 0.5 seconds and no sound will be heard.
  7. 7 The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds.
  8. 8 The LED will be off if the unit is turned off or the RESET button on the main unit is pressed.
14.2.3 To Display Memorized Error Code (Protective Operation)
  1. 1 Turn power on.
  2. 2 Press the CHECK button on the remote control
  3. 3 "- -" will be displayed on the remote control display. Note: Display only for "- -" (No signal transmission, no receiving sound and no Power LED blinking)
  4. 4 Press the TIMER ? or ? button on the remote control. The code "H00" (no abnormality) will be displayed
    and signal will be transmit to the main unit.
  5. 5 Each press of the button (? or ?) will increase error code number and transmit error code signal to the main
    unit.
  6. 6 When the latest abnormality code on the main unit and code transmitted from the remote control are matched,
    Power LED will light up for 30 seconds and a "beep" sound (continuously for 4 seconds) will be heard. If no
    codes are matched, Power LED will light up for 0.5 seconds and no sound will be heard.
  7. 7 The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5
    seconds or operating the unit for 30 seconds.
  8. 8 The same diagnosis can be repeated by turning power on again.
14.2.4 To Clear Memorized Error Code after Repair (Protective Operation)

  1. 1 Turn power on (in standby condition).
  2. 2 Press the AUTO button for 5 seconds (a "beep" sound is heard) on the main unit to operate the unit at Forced Cooling Operation Mode.
  3. 3 Press the CHECK button on the remote control for about 1 second with a pointed object to transmit signal to
    main unit. A "beep" sound is heard, and the Error Code is cleared

Dec 10, 2014 | Panasonic Heating & Cooling

1 Answer

Sound but no picture


Hello!
Does sound comes out of TV speakers? Or you have "home theater" hooked up to?
In first occasion: TV turns on, stays on, display blinks once, then nothing?
Inverter is at fault. Second occasion: TV turns on, stays on, display glows dark, sound OK, no picture: T-con board at fault. Third occasion: TV turns on, shuts off, sound is coming through "home theater"-OK. Power supply or inverter, or T-con are at fault. TV need major diagnostics and repair in every case. Let me know if you can handle that. Will guide you through the process.
Thanks,
Alex.

Dec 15, 2011 | Toshiba Televison & Video

1 Answer

Please help. My Fujisu Lifebook S7020 does not charge. There started to be a problem charging it that i had to move the tip around but now its just dead it doesn't charge it desn't work it's...


It seems you have a problem with your power adptor, which gets easily broken wires, due to usage. If you have a multi tester and possible if you can check the output voltage of your adptor, which should give 19 vdc according to the requirement of your laptop. Try to get power adptor of same kind and check, if it does work, repairs can be done to the power supply, if you can find a tech for this.

Sep 01, 2011 | Fujitsu Siemens LifeBook S7020 Notebook

1 Answer

Ok.... I got a new power supply board and the tv is still doing the same thing. (Sharp Aquos 37in LC-40C37U) So if it is not the power board then what could be wrong with it. I'm getting no power and only...


The pattern of the blinking is a code. If the power light is blinking by itself once per second or thereabouts it could be loose connection to Inverters, reload firmware, Inverter Unit or LCD Panel.

May 06, 2010 | Sharp AQUOS LC-40C32U 32 in. LCD TV

1 Answer

Panason PT-50LC13 TV won't come on, light blinks green then red


Ballast failure is more that likley the problem. Is the lamp light blinking,...once every 5 seconds? Discontinued part and can only be purchased used or rebuilt. Rebuilt units are available, check Ebay. Have a service type person confirm problem before throwing good money after bad!

Jan 03, 2010 | Panasonic PT-50LC13 50" Rear Projection...

1 Answer

Im trying to control my sony receiver with my coolsat control but i dont know the code


Hello

The only 3 programmable keys on the remote control are the TV, VCR, and DVD keys. The STB functions are hard coded in the remote control processor chip and cannot be modified. You can however assign any device to the 3 programmable keys as desired. For example if you do not have a VCR, you can assign that key to your Stereo, TIVO, or any other device. Since those codes are not listed in the "Brand List" of the remote control booklet you can use the "AUTO CODE SEARCHING" method shown below to locate the code for those devices.

>> MANUAL CODE ENTRY PROGRAMMING

- Use this method to program your TV, VCR, or DVD device using the readily provided codes in the "Brand List" contained in the User's Manual.

***NOTICE***
Once the programming process starts, if you remain idle for 10 seconds or more, the current function gets instantly canceled, and is confirmed by the selected device LED blinking once.

1). Locate your DEVICE code number from the “Brand List” in the User's Manual.

2). Turn on the DEVICE you desire to control.

3). Press and hold both the OK key and the desired DEVICE key at the same time for 2 seconds. Release both keys when the device LED indicator blinks twice.

4). Enter the 3-digit code number that pertains to your device from the list. The LED indicator will blink twice if the code was entered correctly.

5). Now press the power button on the remote control to power OFF the programmed device. If the device does not respond repeat steps 1-5 again this time using the next code from the device list. If no more codes are listed then use the "AUTO CODE SEARCHING" method listed below.

>> AUTO CODE SEARCHING

- Use this method if your DEVICE does not respond to the listed 3-digit code or if your device manufacturer is not listed in the "Brand List" tables.

***NOTICE***
Once the programming process starts, if you remain idle for 10 seconds or more, the current function gets instantly canceled, and is confirmed by the selected device LED blinking once.

1). Turn on the DEVICE you desire to control.

2). Press and hold both the OK key and the desired DEVICE key at the same time for 2 seconds. Release both keys when the DEVICE LED indicator blinks twice.

3). Pointing the remote control at the target DEVICE you desire to control, press and release using a slow sequence the CH+ key until the chosen DEVICE turns off. The LED indicator will blink once each time the CH+ key is pressed. When the target DEVICE turns OFF, press the OK key once to save the code. The DEVICE LED on the remote will then blink twice to confirm the save operation.


>> CODE NUMBER IDENTIFICATION

- Use this procedure to identify the 3-digit code that was programmed with the Auto Search method to control a selected DEVICE.

***NOTICE***
Once the programming process starts, if you remain idle for 10 seconds or more, the current function gets instantly canceled, and is confirmed by the selected device LED blinking once.

1). Press and hold both the OK key and the DEVICE key at the same time for 2 seconds. Release both keys when the DEVICE LED indicator blinks twice.

2). Press and release the "PAUSE" key. After 2 seconds the LED will blink twice then followed by the codes for the FIRST, SECOND, and THIRD digit for the current DEVICE setup code. The LED will blink 10 times if the code is a "0" zero.

NOTE:
All programmed DEVICE codes default back to "000" when the remote control batteries become depleted or are removed.

Hope this can help you.

Best regards

Oct 13, 2009 | Sony Audio Players & Recorders

1 Answer

Help


Hi,

Take every single cable out of the unit, now power on the unit.

If the power protection still shows then there is an internal fault, usually a short or a component defect.

If it powers on ok, switch off and insert 1 speaker at a time and power on the unit until the protection mode comes on again, the last speaker you have put in has overloaded it for some reason, also as you are trying each speaker use the volume and bass controls to see if there is an internal overload.

Thats as much as I can offer you until you narrow the fault down to the unit or one of the speakers.

Cheers

May 13, 2008 | Samsung HT-X40 System

2 Answers

Protection displayed and shuts off


Hey guys! Im glad you found my solution on my blog, and posted it here. I hope you ccan fix yours, or get it replaced on warranty. Im happy to help you with anything, the capacitors i think was 4,7 uF, 100volt, not sure. 
Here is the link to my solution: http://lemurt.wordpress.com/2008/08/18/defenition-of-waranty-void/
:D
/ lemurt

Mar 01, 2008 | Samsung HT-X40 System

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