Question about APC BE500U ES 500 USB BACK-UPS 500VA/300W 120V (NEWITEM13161417) UPS System

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When i connect ups to line the led starts flashing in red light. i replace battrey, it gives well back up but when the supply is on the connected equipment gets off and tne led starts flashing

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You may have too many amps for the batter to handle. Try plugging into the surge protection side for your larger devices.

Posted on Aug 05, 2010

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Samsung smart tv no picture and sound. Replaced T-CON and Main Board. Same result. Any ideas?


did you change power supply? how many times does light flash (red) you didnt change the power supply did you use a vom on connections?

We Are Here To Help !!!
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1 Answer

Help!


key off and out,diconnect negitive side of battrey then postive.clean terimals,charge battrey,connect postive cable (with key off)connect negitive.and start.
your dead battrey is taking up a big load on system,so when you boost it the dead battrey is taking it all the starter is geeting vey little.thats the clicking.
if you dont have a charger dicconect both terminals the same way again,put the jumper cables on the dead battrey.let it charge battrey for 10 15 mins .the longer the better.remover jumpers.
with key off and out conected battrey terminals.connect jumper cables and start.
let me know if it start or not hopefully the key hasnt lost its coding.

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TV does not turn on/red led flashes 7 times in front


this is common issue with this model and through your troubleshooting is tied to y main board. blinking led on logic main in normal operation. when replacing y main always good idea to replace y upper and lowe buffer boards as they complete a circuit and sometimes replacing one without other could cause additional failure on remaining boards

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1 Answer

53UWX10B


Good Day, Butchilee,
Sounds like you have patience, hope your TV has some trace left. Hit recommends that you replace the originals with
STK-392-150's and the resistors. Replace said items with care then back down on the screen/ focus controls and gradually bring the screens up until you have pic, adjust focus. Go into customer menu and adjust color down, set brightness to 50%, contrast to 100%. Then go back and adjust the screens for proper, black/white, tracking. AND It's best to double check the soldering connections.
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1 Answer

Philips 42PF9630A 42 in. Plasma 42 in. Plasma


Ok 7 red blinking led, remove the back cover of the TV. Looking at the power supply in the upper left of power supply. If everything is working fine you will see a solid green led if there is an error, you will see this light blinking also. Right below this led on the power board you will see a list of numbers 1-13 this will give u the problems that this led flashing problems are. More and likely u will have a problem with VSET or VSCAN. Which is connected to the Y-Main and Y-buffers,( the board that is too the left of the power supply if u look on the small print on this board you will see that it reads. 42HDV4 Ymain and the 2 small boards connected to it are Y buffers. To be sure that this board is bad if the TV keeps going into error protection. unplug the power supply and wait for the led to stop flashing. Disconnect the cable that plugs into Y-Main from the Power Supply. It should stay running. If u remove this board and look underneath u should be able to see where this board is getting hot. Easiest fix is to order a replacement. Y-main assembly.

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1 Answer

Free Pulse


The following procedure will re-establish the communication link between the Headphones and the Wireless adapter, this is called "pairing". Before you start please make sure both the headphones and the wireless adapter are fully charged and turned off.
Note: The headphones and the wireless adapter come pre-paired from the factory.
1. Press and hold the power button on the headphones. See Figure 1.
headphone.jpg
Figure 1

2. Continue to hold the button down until the LED starts flashing red/blue in an alternating pattern. Release the button when the LED starts flashing red/blue. See Figure 2.
headphone-flash.gif
Figure 2
3. Once the headphones LED is flashing red/blue, press and hold the power button on the wireless adapter. See Figure 3.
receiver.jpg
Figure 3
4. Hold down the button until the LED starts flashing red/blue in an alternating patter. The LED will blink blue, then turn off for a few seconds then blink red/blue. Release the button when the LED starts flashing red/blue. See Figure 4.
receiver-flash.gif
Figure 4
5. Once both the headphones LED and the adapter LED is blinking red/blue, press the volume up button once on the headphones. See Figure 5.
headphone-volumeup.jpg
Figure 5
Once the headphones is paired with the adapter, the LED on the headphones will blink blue once every two seconds. See Figure 6.
headphone-flash2.gif
Figure 6
When the adapter is paired the LED will be solid blue. See Figure 7.
receiversolid.jpg
Figure 7
The adapter may continue to blink red/blue for a few seconds even after the headphones LED starting blinking blue. This is normal; the adapter may take a few additional seconds before the LED turn solid blue.
Once the headphones and the adapter are paired, it is not necessary to pair them again even if the batteries on both units are completely drained.
Additional Note: Repeated pairing will not improve the sound quality or give the headphones and the adapter a cleaner connection.

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Hi, you most probably have a sticky on/off switch on your case. Turn the power off. Remove the side cover, trace your wires from the front switch to the mobo, identify witch is the power switch [this is usualy marked with PWR or PWS on the board and also on the wire from the switch. Disconnect this wire then turn on the power and use a fine screwdriver to bridge the two pins on the board, if all works properly then replace the switch Regards mistyman

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