Question about Sony CPD G520 (Blue Grey, Gray) 21" CRT Monitor

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No Picture After turning my monitor ON, I can see the green light lit but now picture showing on screen, not even OSD. I tried both Video1 and Video2 but failed. What possibally could be the problem(s)? Max

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  • Max 665
    Max 665 Jul 07, 2007

    Make sense... What should be my action items after opening the monitor?

    -Max

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You have brightness and/or flyback problem...

Posted on Jul 07, 2007

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Posted on Jan 02, 2017

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Why does my monitor HP L1740 post a picture for a few seconds and then shuts off. only py turning the monitor off and on manualy it posts again but for only a few seconds. i have it opened up already.


if the monitor fails on 2 PCs the monitor has hardware issues, does it?
costs not a dime to plug it into friends PC with vga cable.
you said IT Shuts off,? does that mean.
the power button, has 3 colors, led status
off black led.
on green led.
amber led, sleep.
is it light going out?
or just a screen black,
if just screen black does OSD work on demand
yes, no?
if yes the monitor is not dead.(not totally)
if no it is dead.

seems your PSU board inside if bad, if the monitor goes dead.
Old monitors 2000-2007 had sleep timer.
disable that junk now.

seems it is a bad monitor, but id have to see it
and do many tests to condemn it.
Most of these monitors died long ago.
CCFL deathh(sic).
The first ones made in 2005 so is 13 years old.
Nevers seen one this old good.
CCFL failures are classic and super COMMMON.:
dead,
blinking (strobing effects)
yellow for white screens
dim

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1 Answer

Pip now is on the souce menu whereas cable, video1, and video2 were there before. How do i get rid of pip and return to the former sources?


close the pip window first
if your tv/video button on your remote brings up
an input selection menu either press the number
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1 Answer

Screen won't turn on


You can try to do the monitor self test.
Monitor Self Test:
1. Physically test the monitor autonomously from the computer.2. Switch both the monitor and the computer off, and then disconnect the VGA cable le from the computer.3. Turn the monitor on, pressing the power button for about three seconds. The self-test screen will come up .4. If the image is clear, bright, and shows red, green, and blue, the monitor is working properly. Video issues may be due to the video resolution in the computer, and not the monitor.5. If the image is not apparent and intense or the colors are not accurate, then the trouble is with the monitor or some of the (OSD) settings. In this case, test your particular monitor's information for OSD.
It is always important to check the color of your power light for so you can distinguish if the monitor is defective. Getting red lights on the the power panel states that the power section of the monitor is faulty.

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1 Answer

My computer monitor is a black screen....the light is lit solid green and I can hear the software playing just no picture


If the light is green, I suspect that the backlight has gone out on you. This could also be caused by you having the brightness turned all the way down.

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1 Answer

Monitor is changing color when power on:- red, green, yellow, violet, white, blue etc......repeating continuously ...... more tha ten times switch off monitor but the problem remain the same... VGA...


1706,
the monitor is bad if OSD , menu shows bad colors
try the reset in the OSD menus,,
google, HP L1706 manual, read it.?

some newer hp monitors even have test pattern in the OSD pages. (on screen display) try that.

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4 Answers

How to unlock OSD lockout in HP L1940T Monitor


How to unlock HP 1940 LCD monitor?? i try with holding menu button and power also..but didnt show me unlock...i hold like 1min even more...and its keep to blink OSD lock...and Main Menu on my screen.Can u tell what i need to do Thank you

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1 Answer

Lg2234s monitor goes of blinking...cant turn monitor off (blue light remains off) then monitor turns on ..screen pic returns but is totally green, the OSD becomes garbled, if set to return to default then...


emale36, Could be problem with the "switch-mode-power-supply" inside the unit. If dc voltage rail is noisey or marginally on the low side of rated specification then strange things will start to occur on screen. Contact LG (Lucky-Goldstar) if unit is covered by warranty. The unit will need to be evaluated by technician. Visit YOUTUBE to see video clips of monitore being repaired by their owners. Read more of my profile responses to other LCD owners. 12fixlouie

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1 Answer

Can't get componet Video to work


Make sure you have an input Video signal on that Yamaha Reciever (exa. DVD, Cable box, etc...) then choose the right input selection on ur receiver (Video1, Video2, AUX, etc..), then connect ur TV on the receiver Monitor Video out. And put your TV on the right VIDEO input too (Video1, Video2, AUX, etc..). Goodluck

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