Having problems with your BenQ T701 TFT 17" LCD Monitor ?

I have a benq t701 with power problems

\015 I have a benq t701 there is power to the transformer circuits but there is no power led on and there sounds like a chirp every second from somewhere near the middle bottom of the power board\015

Answers :

Faulty power board... possibly caused by blown capacitors..
Repair Help & Product Troubleshooting for BenQ T701 TFT 17" LCD Monitor

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

I have a benq t701 with power problems


Faulty power board... possibly caused by blown capacitors.. ... BenQ T701 TFT 17" LCD Monitor

Benq T701 Monitor not display


Mine had a similar problem. Try shining a light on the display and seeif you can see (very very faintly) the BENQ logo when you turn it on.If you can, what you will probably need is this: ... BenQ FP731 17" LCD Monitor

BenQ T701 problem


... BenQ T701 TFT 17" LCD Monitor

Benq fp737 17


How old are the monitors?\015\012Normally backlights last at least 30,000hrs of working.\015\012Normally problems on Inverter board transistors near yellow inverter transformers.\015\012Samir ... BenQ FP731 17" LCD Monitor

BenQ FP767 17" LCD Monitor Problem - Power LED Blinks


Look for small power transistors 2SC5707 near yellow invertor transformers which go to backlight connectors.\015\012But if problem is blinking power LED powersupply capacitors maybe an issue,check visualy and/or replacement.\015\012Also f ... BenQ FP767 17" LCD Monitor

BeNQ FP71E Monitor won't display desktop


The problem seems to be with the monitor.When there is no Display,if you power-off and on again do you get a Benq Startup screen?If not the problem should be dry solder on the Invertor board.Try tapping screen lightly,if it comes on the problem is dr ... BenQ FP71E 17" LCD Monitor

Benq FP937s Monitor - no display


Usually this type of problem is due to a faulty electrolytic capacitor on the monitor's power supply board or the inverter board that powers the backlight lamps. If you have a soldering iron and some technical skill it's possible to repair this your ... Gateway FPD2275W LCD Monitor

Power but no picture


Try to re-solder the inverter part of the board. You may recognize that part where the 4 connectors from the backlight tubes can be found.... usually the small transformators (sorry, my technical English is not good) have bad soldering eyes after lon ... BenQ FP71E 17" LCD Monitor

Can't find video signal


If screen says "Signal cable not connected " all the time till power led switches to Amber chances are monitor is ok and problem is with graphic card or cpu.Connect to Known working CPU and confirm that monitor is the problem.\015\012If same pr ... BenQ FP731 17" LCD Monitor

Benq FP71G LCD Monitor - Can't keep POWER ON / Button Problem?


Benq fp71g no display\012what can i do ... BenQ FP71G 17" LCD Monitor

Monitor Randomly Turns Black


I have exactly the same problem with my Benq FP71E+ ..\015\012\015\012What i found is a temp fix is this :\015\012\015\012When monitor dims and goes black i turn it off , hit the bottom left side (near the BENQ logo) turn it o ... BenQ FP71E 17" LCD Monitor

Monitor turns black after 3 seconds


Teo6925, "Switch-mode-power-supply" is in partial shutdown mode. Can you see any electrolytic filter capacitors that have a slight "swelling" to their tops? They should be flat!! You may also need to inspect all the soldered component connections ver ... BenQ Computer Monitors

Hewlett-Packard vs17 half fixed, what to do next?


Hello,I have also seen this type of problem. Have you checked the large caps on the inverter board, no just the power supply board? Many LCD monitors have 2 caps on the inverter and I have had to replace them from time to time. The next t ... HP vs17c 17" LCD Monitor

Benq screen shuts down when pc is plugged in


I have same problem in BENQ Q7C5 LCD, If you fine the solution please write on my mail [email protected] ... BenQ FP71G 17" LCD Monitor

BenQ FP731 17" LCD Monitor Problem


Had the compete dark screen problem. Green/amber power light was coming on and off as expected but no image would appear on the screen. \015\012\015\012Found PF751 to be open.\015\012\015\012Thnaks for the help people. ... BenQ FP731 17" LCD Monitor

BenQ fp567s won't come on


Am having the same problem. at times i have to unplug the power cable from the monitor then i twist , turn and others forlike an hour b4 it may come . it reli sucks. (get the latest music downloads at www.hitzgh.com) ... BenQ FP567s 15" LCD Monitor

BenQ Q7t4 Monitor


I need the schema/diagram of this: Q7t4 ,help me please, i'm technician ... BenQ FP757 Monitor

Benq FP731 LCD not start up, only green power lamp


Opening it will not likely solve your problem. Have you tried another monitor on the computer to see if the problem may be with the computer itself? ... BenQ FP731 - 17" LCD Monitor

BenQ FP91G+ Problem


Hi...there,\015\012Dies on 1 seconds usually caused by busted backlight inverter or AC Adapter if you got one on your monitor. ... BenQ FP91G+ 19" LCD Monitor

BenQ FP71G+ power supply problem


I checked all what is explained here but, first, all the components are ok, then my problem is a little bit different from this.My monitor (Benq FP71G+) turns on perfectly but after about 1 hour or less the LCD panel turns off (so backlight and ... BenQ FP71G 17" LCD Monitor

Trouble with my BenQ monitor


As a general rule, this is a panel failing.\015\012The panel is working for a few minutes until it heats up then begins to breakdown. Blowing air onto it wont help since the area in question is under another panel inside the monitor.\015\ ... BenQ FP71G 17" LCD Monitor

I have a benq joybook 5000U, and it started to shut down for no reason i know.when i try to switch back on it shuts off again and have to wait like 10 seconds to be able to reboot.its really annoying:( just had a new windows XP installed but still the same problem. specially when i connect a USB device i get an error message "the hub is exceeding the power limit"sometimes it works thu. there's no problem with the adapter.could it be power supply problem?


Yes most likely its power supply issue so get it checked.Before that, check the Fan at the base, is its revolving ok Or looks like there is some obstruction. if its revolving speed is not ok or not smooth then get it rectified. ... Toshiba Satellite P25-S507 Notebook

Problem for BenQ FP767 Power light does come on, image is there if a light is shined on the screen, i have swapped the 4 2sc5707 transistors as suggested in other posts. Still the same problem, further testing shows no power in the entire area around the transistors (tested across the majority of surrounding connections). Could there be a further problem and is it possible to obtain a board diagram so i can try and track the point of power loss?


Change the board ... BenQ FP767 17" LCD Monitor

Benq g900w will not power OFF


The benq's im sorry to say but are problematic to say the leasttry this...1. unplug the monitor and flip it forward so its screen side down on a towel.2. remove the screws from the back of the monitor and then take a fla ... BenQ G900W Monitor

Benq S41 power suppl ''short"?


Thats what i suggested earlier, the AC adapter in the laptop has blown, thats what causing the feedback/overload. you can fix the problem yourself but it is a big job!!! ... PC Laptops
  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || www.electronic-servicing.com || Terms of Use || Contact || Privacy Policy
Load time: 0.6547 seconds