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Why is it stuck in standby mode?

Had a power cut. TV was on at time, came to switch it bk on , was on standby pushed button on remote , tv flashed the Sharp sign then flickered and went off bk into standby mode. We switch tv off been left for 24 hrs still same problem , like there's not enough power to give it the boot it needs

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Check and replace the damaged component/s at its main board. It is faulty. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Apr 06, 2015

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Posted on Jan 02, 2017

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SOURCE: Can my 50inch sharp 3d smart view be helped

Unplug, leave off maybe even overnight hopefully, it will reset itself. No help, warranty? pursue that. If power spike issue, the warranty may not help. So I'd not mention that even though they may say that is the problem.

Posted on Apr 05, 2015

Testimonial: "Thanks . I've just tryed it again. Still same can not understand it at all , but I have noticed LATLEY been taking its time coming on in a morning ."

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1 Answer

Lc195emx stuck in standby mode


Hi D
Sounds like the Switch Mode Power Supply is failing to Power Up.
Often Caused by Bad Electrolytic Capacitors inside the Power Supply Circuitry.
Probably a replaceable PCB Module.
Take it in to your dealer or Electronics technician.

Cheers

Mar 03, 2015 | Televison & Video

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May someone please send the service mode specifications for a Samsung LED 40 inch TV UA40EH5000R?


I don't have service mode specifications but I do have a Samsung and looked around for how to get it in service mode some time ago because the HDMI cables somehow disconnected themselves a lot. Thought it was an electronic problem but it turned out to be a parenting problem instead SO I have never used this information and can not vouch for it. I cut and paste it from a note I copied from a forum entry to use at your discretion:
First post:
To enter "Service Mode" Press the remote - control keys in this sequence :
From Standby Info-Menu-Mute-Power On
- The buttons are active in the service mode.
Remote - Control Key : Power, Arrow Up, Arrow Down, Arrow Left, Arrow Right, Menu, Enter, Number Key(0~9)
Careful though there are things you shouldn't touch in this menu.

avforums.com/forums/lcd-led-lc­d-tvs/601553-samsung-service-m­enu-research.html

Another post:
Method 1
Put TV on standby and then push in series these buttons on the remote: 'info, menu, mute, power' the TV will then turn itself on and display a menu.
Method 2
Turn the power off. On the remote, press Mute followed by 1, 8, 2, Power in sequence.
Method 3
With the TV in standby, press the {DISPLAY} {P.STD} {MUTE} {POWER} on the remote.
Method 4
With the TV in standby, press the {SLEEP} {P.STD} {MUTE} {POWER} on the remote.
Method 5
With the TV in standby, press the {DISPLAY} {MENU} {MUTE} {POWER} on the remote.
Method 6
With the TV in standby. On the remote, press Mute followed by 1, 1, 9, Enter in sequence.
Samsung LCD Monitor Service Menu Instructions

End quote.
Good luck. Just a basic suggestion you probably don't need: keep track of any changes made by writing them down so you can put it all back if you have to.

Dec 20, 2014 | Samsung Televison & Video

1 Answer

Samsung TV stuck on with picture and volume and no working controls on TV or remote


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 stage 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. Viewing it in "Mosaic" or "Magazine" will make surf easy. Electro help
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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My TV standby light keeps flashing for 10minutes then TV will not switch on. Does not respond to remote or the buttons on the TV panel. Please Help


If the standby light flashes but the set does not trigger or come ON, then it is confirmed that this is an error to signal there is a failure of the main section- drivers to the display.
Now the processor is working as it displays the flashing but the feedback error shows that the circuits is not powered due to this protection.
So disconnect the main power+B and check for short in each individual power circuits.
Check for faults on the driver IC or look for suspected capacitors , leaked or top blown.
Also finally check for dry solder joints, solder all suspected joints.

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1 Answer

Sony Trinitron Wega Standby blinks & the TV won't turn on


Those 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://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
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.

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My classroom TV seems to be stuck in standby mode. Blue light is on but TV won't turn on either by push button or remote.

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1 Answer

'standby' mode and akb error number


AKB 66 in self diagnostic test means...TV goes to standby (shut-off) for AKB problem 66 times. AKB is White-Balance signal and it is not proper or maintained in your TV. So error signal produced and TV goes to shut-down state.
Regardnig Standby button, its available on remote only. If you push TV Power switch, TV will switch ON, push it again to OFF TV. Power Button on remote set TV in standby status and you dont need to push power button of TV itself.

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When you push Power Button on remote, TV goes to Standby state i.e its power light (LED) lit but no picture / no sound. Power button on remote has symbol looks like.. ( ! )

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1 Answer

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have you tried changing the batteries just to elimate this problem

change them

sometimes if the batteries are low in electronic devies, they send a wek signal to its receiver (your tv),

your tv gets confused and then switches itself to standby

if you have changed the batteries and this problem still persists

it can only then be th PSU or power supply unit, take it to your local tv repair shop of mastercare somewhere like that, its going to be cheaper to get it repaired than replacing the whole tv

PSU'S generally 20 to 50 pounds depending on model

don't deo it yourself though unless you've got a capacitor discharger (or a nice 25KV will be on its way to your body)

hop this helps mate, let me know how you get on

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Are any of the buttons not making a click feel when you press them like maybe one is stuck?? You didnt say if the same thing happen with the radio as did with the cd. If it is then a switch is stuck or bad or a problem with the switch matrix for the Microprocesor . Only way to trouble shoot this is I would use a scope and check all of the matrix {ie scann lines as well as input lines for distortion or noise and make sure when the buttons are pussed that they change and switch accordinly. If they dont then the processors bad. Good luck

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