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Benq dv 3750 standby light will not come on. Power supply to input ok.

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Samsumg 42pspf301501a no power main input ok


Could be an internal fuse that has blown in the power supply, if that's ok, it could be the switched mode transistor that has failed.

Also check for dry solder joints that could be causing an intermittent connection

Oct 14, 2014 | Samsung Televison & Video

1 Answer

My benq 15 inch crt monitor does not going to standby mode with no display and noisy power supply


When it have this kind of error is a problem of the powerboard.
Anyway you must open it and look at the all capacitors and if are them inflated, if them are inflated must change them.
Good luck!

Jan 10, 2014 | BenQ V551 (White) 15 in.CRT Conventional...

1 Answer

I have a Insignia NS-L32Q-10A that will not power on. Now power on light or standby. I have replaced the power supply already. All caps look good and fuses check OK. What next???


ok, when you plug in the set, does the power light come on? Assuming you ordered a power supply in good working order, you may very well have a faulty main board. The power supply produces standby power that the main board uses to power the standby/power on light. Your main board also uses the standby power to provide the "ON" signal to turn on the rest of the power supply.

Feb 02, 2013 | Insignia NS-L32Q-10A 32 in. HD-Ready LCD...

1 Answer

Benq Q5C3


Someone would have to open the unit and see if fuse bad or even puffed up caps in the power supply for it.

Dec 06, 2012 | BenQ FP731 17" LCD Monitor

1 Answer

Power is not working complite seat dead


hi,
check the power cable first. also the power at the wall out lets.
if ok the you have to check the input ac fuse of your receiver. your recever has problem with its power supply stage, that's why there is no standby light also. fist of all check the fuse. then check the standby transformer is it faulty or not. the system will power up if the standby transformer is ok. standby transformer is a small transformer near the mains transformer. check these things first, if u need any further assistance feel free to contact me through fixya.
ok

Jan 24, 2011 | Pioneer VSX520 Receiver

1 Answer

I have sound be no picture - Is it the power


product - BENQ DV 2030 - 20"

Display problem, white screen APPEARS and audio is coming.

What could be the issue????????

Apr 29, 2010 | BenQ DV2050 20 in. HD-Ready LCD Television

1 Answer

Hitachi PDP 55HDT79 got no picture


that power supply is a switch mode power supply,which means it looks for an input signal to turn on.
that signal comes from the main pc board.
if there is excessive current draw,it will shut down.
check the input,and the screen circuit it is driving

May 13, 2009 | BenQ PDP-46W1 46 in. HD-Ready Plasma...

1 Answer

Unit will not power on.


One or more sections of the power supply are not coming on. This unit has both fuses and ICP's (integrated circuit protectors) in the power supply that may open up causing your symptom. You will need to check and/or replace any open fuses or ICP's. If they immediately open up again, you will need the manual to figure out what is loading the power supply, or what component in the power supply has failed.

Oct 04, 2008 | JVC BR-DV3000U DV/Mini DV VCR

1 Answer

Benq Q7S3


Video Graphics Card in Computer "BAD" !

Nov 15, 2017 | BenQ FP567s 15" LCD Monitor

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