Question about LG Studioworks 45 14" CRT Monitor

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Power supply ok. but 110v missing and 13v missing

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  • 319 Answers

Check all fuses...if they are okay...chances are you have a bad component somewheres I.E. Capacitor or Transistor, or Resistor

Posted on Feb 04, 2008

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Posted on Jan 02, 2017

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Open lcd 17 power supply 5volte ok 13 dimming


Hello.
First of all you need some electronic repair experiance,
You have to disconect all f the power supply that going on 5v(rgb processor in moust cases)and 13v in most cases ccfl inverter(back lite ) with his driver.than have to mesure the voltages.
-Replace the capatitors in 13v line.
if the problem persist try to replace the diode one for 13v with one for 5v,they should be the same type.and check the voltage 5v and 13v.
if the problem is still on 13v look for the problem on the 13v line.

Feb 08, 2014 | Samsung LS19CMYKF/EN Monitor

2 Answers

The problem is power out put voltage diodes are completely burned I not getting the value of the diodes The voltages are 72v 50v 6.3v 13v -12v These are out put voltages .so please sending me...


hi;
  1. Diode: UF4007, 1000V 1Ampere ; for 72V
  2. Diode: GUR460L, 600V, 4Ampere : for 50V
  3. Diode: UF5404,400V, 3Ampere: for 6.3V
  4. Diode: UF1G, 400V, 1.2Ampere: for 13V
  5. Diode: TVR10G, 400V, 1Ampere: for -12V
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Nov 12, 2010 | SAMTRON 55V 15" CRT Monitor

1 Answer

I bought a mag innovision model 780 monitor at a garage sale to use with my ACER mini laptop. This monitor has a manufacture date of January 2003 - it did not come with a power supply. Where is the power...


With Most Mag monitors, the plug is a simple 3 prong on the bottom side of the monitor. Though it isn't proprietary, it isn't a common power plug either. Radio Shack does carry this type of cord. Just look on the bottom side of the monitor itself. the three round plug "thingy" is where the 110v plugs in straight from the wall. Best of Luck!

Feb 03, 2010 | Mag Innovision LT776s 17" LCD Monitor

2 Answers

Bought with no power cord. Does this take 120 volts directly to the plug, or is there a power supply that's needed?


Look on the back of the Monitor.
If it has the same power connector as the computer.
Then it is standard 110 60 hz.

If not then you are missing the black box with the transformer and electronics to convert to the monitors proper voltage requirements.
Most flat screen monitors sold in the US are standard 110v/6hz.
And use the same modular power plug.

Good luck!

Oct 31, 2009 | eMachines E17T4W 17" Monitor

3 Answers

I have a HPw1907 monitor and it will turn on for about 2 seconds, and it turns off. The CPU is fine, just a problem with the monitor. Any way to fix this?


We have the same model of monitor and had the same problem few days ago. The monitor just goes black/turns off. I noticed that the power button has a yellow blinking light and cannot be turn on/off again using the power button. The CPU is working fine also. When I turn off the avr, the power button's light turns blue for a few second and you can hear a click sound from the back of the lcd before it totally turns off. My lcd monitor is over a year old now and is 110v or 220v capable. Mine was originally in a 220v, i just put it in 110v and the monitor was fixed.. Hope this can somehow fix your problem.

Aug 02, 2009 | HP w1907 LCD Monitor

1 Answer

Monitor : no display and blue led light is blinking


The power supply is the first thing that the 110v electric line goes into. The invertor is the next item past the power supply, or sometimes contained within it. I do not thing monitors are a DIY repair.      First substitute a different monitor to confirm that it is, in deed , the monitor and not the video card.

Jan 14, 2009 | Advueu Technology ADV178T 17" Flat Panel...

1 Answer

Please help for Cable and Power supply for KOGI monitor L7EH-TA ???


the power cable is as the simple attach to run the pc..

the vga cable u have to buy it from computer/monitor shop..
ask them for cable by telling them the model and spec. of your monitor.

regard,

dont forget to rate it

Jun 14, 2008 | Kogi l7eh-ta ko 17" Flat Panel LCD Monitor

2 Answers

Need to know the polarity


you can set positive and negative of the universal power adapter 110v to 220v.

May 05, 2008 | Scanport 821S 17" LCD Display Monitor

4 Answers

KDS RAD-5 monitor set up


THE POWER SUPPLY PLUGS INTO A WIRE STICKING OUT OF THE END THAT PLUGS INTO THE COMPUTER

Apr 15, 2008 | KDS RAD-5GS 15" Flat Panel LCD Monitor

5 Answers

BenQ FP51g LCD monitor


Dear Friend:
There is a Switch transistor to power on -off the hi voltaje for lights. Check 15V from power source go to this transistor colector, Using soldering Iron, make a juntion between colector and emiter, to short 15V to Hi voltaje power. I´m fixing 10 monitor the same trouble. I will remove a liter transistor.
Late I will post here the driver transistor number, and the replace number transistor I will use.
Pictures , etc. Best Regard

Feb 16, 2008 | Proview PL713S 17" Flat Panel LCD Monitor

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