Question about Formac Gallery 1740 Oxygen 17.4" LCD Monitor

2 Answers

Gallery 1740 Trips out my G5


It seems to have tripped out my whole system and this was incorrectly diagnosed by Cancom as a fault with the power supply in my G5. Having sent it off to their service centre at great expense I was told that the system is 100% ok. It wasn't until I got it home after 2 weeks away & tried plugging the monitor back in when it became apparent it was the screen. The power supply in the Mac just makes a 'click-click click-click click-click' noise, whether I have the screen plugged in on switching the mains on or if I tried to plug the screen in while the Mac is running. My limited electronic experience leeds me to feel this may be a fuse problem in the monitor & the G5 has a safety cut-out built in, but I'm just guessing.

I do not really wish to pay a large sum to ship it to Formac only to find it is non-repairable (as I have already done so with Cancom). It would of course make me particularly unhappy if I find I do need a new screen as it is still under 4 years old & at £410 that's over £100 per year running costs which I find unacceptable.

Any help or advice you can offer would be most appreciated.

Many thanks

Rich Wall

Posted by on

  • 1 more comment 
  • Anonymous Feb 27, 2008

    Exactly the same problem with a G4 MDD formac 19" screen The PSU trips out with a tick - tick - tick sound when connected and runs fine with a non ADC monitor. The screens draw 25V at up to 4.5 Amps directly through a 35 pin ADC port which combines power USB and DVI data. I have tried another PSU.
    Suspected Short circuit in the cable plug since the plug has a swivel connector on it which could cause cable wear. Tests indicate no obvious short in the cable so I suspect a transistor or MOSFET in the screen itself, this would cause the current drain to rise beyond spec and the PSU would trip out. Initially our problem was intermittent and now is permanent.
    Next is to get into the monitor's innards. This is no mean feat, these things have no accessible screws just formed perspex with clips which will break if forced. So how?

    Judgin by your report we have the same internal fault.

    Dr Matt

  • whiptash Feb 27, 2008

    Exactly the same problem with a G4 MDD formac 19" screen The PSU trips
    out with a tick - tick - tick sound when connected and runs fine with a
    non ADC monitor. The screens draw 25V at up to 4.5 Amps directly
    through a 35 pin ADC port which combines power USB and DVI data. I have
    tried another PSU.

    Suspected Short circuit in the cable plug since the plug has a swivel
    connector on it which could cause cable wear. Tests indicate no obvious
    short in the cable so I suspect a transistor or MOSFET in the screen
    itself, this would cause the current drain to rise beyond spec and the
    PSU would trip out. Initially our problem was intermittent and now is
    permanent.

    Next is to get into the monitor's innards. This is no mean feat, these
    things have no accessible screws just formed perspex with clips which
    will break if forced. So how?



    Judgin by your report we have the same internal fault.



    Dr Matt

  • tonyh432 Feb 21, 2009

    Hi,
    I have a 4 year old Formac 1900 Raven dvi connected to a G4 and its is now completely dead. I tried it on another G4 with the same result so I assume the monitor is the problem, is there an internal fuse in the monitor that could have blown? thanks,

    Tony

×

2 Answers

  • Level 1:

    An expert who has achieved level 1.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 4 Answers

Right I got my formac monitor open by removing the Bezel, it's tricky but not too hard. The casing is suprisingly flexible and forgiving. The clips are backed by a double sided tape on all four edges. Start from the top and give the tape time under tension to come unstuck, it will, a bit like a plaster.
Oh yes, unplug before continuing.
Inside there are four HEX #4 (5/64 inch) screws holding the display inside the chassis. These can be removed, on the back side of the panel is the power/controller board. And remaining in the chassis is the Cold Cathode power board (long thin one on one side). This can be unplugged to get more range on the cables. (remember which way it goes in, I use a marker pen over the plug and socket to show me where to put it back) The Controller board has a number of power components. Firstly there are 5 power diodes, they all seem to respond properly under a meter in my screen. There remains one linear voltage regulator LT1117 and two 500Khz Step down switch mode regulators, LT1374. These devices are most suspect for causing the over current draw. Replace them if you can do this with ease. However most regulators have inbuilt protection. So it is also possible that a support component such as a resistor or capacitor has failed causing the other components to operate outside of their intended parameters. I will post some pics of the board later.

Dr Matt

Posted on Feb 27, 2008

  • whiptash Feb 28, 2008


    So here is the PCB from a Formac 19" display which trips out the G4 as mentioned earlier.

  • whiptash Feb 28, 2008

    Alright I did not know fixya would resize it so small so I put it on imageshack.
    [URLhttp://img209.imageshack.us/my.php?image...][IMGhttp://img209.imageshack.us/img209/2451/...[/IMG][/URL]
    Or just open this in another window:
    http://img209.imageshack.us/my.php?image...


    Dr Matt

×

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Hi, what happened to my G4 is--as i was on it, it just gave in--tic tic tic..black image on the screen and no more power. the computer turned off with the Formac monitor turning black, and then i could not get the mac to turn back on.  turns out it was not the computer, it is the monitor: i can turn the mac on IF the monitor is not plugged into it; but if it is, it'll act as if there's no electricity; and if i attach the monitor while the mac is on, it will turn off the computer at contact. 
could this be the same as above, or still a different issue? no idea on how to procede..
thanks for any advice,
cristina

Posted on Apr 05, 2008

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

GREETING HAPPY HOLIDAYS T.V, COMES ON THEN FEW SECONDS CUT OFF. PICTURE SHOW WHEN COMES ON & SPEAK. WHEN CUT OFF BLACK SCREEN & NO SPEAKING. WHAT'S THE PROBLEM JUST HAPPEN TODAY. TRULY


This is a power supply regulator problem. As soon as one of the resistors gets a full load, it trips the fault circuitry, shutting down the screen and preventing the screen from destroying itself.
It's either that, or there is a fuse that is almost burnt out, so that, when cold the contacts touch and it turns on, but as soon as it warms up, it turns off.

Dec 15, 2010 | Proview PS 909 (White) 19 in.CRT...

2 Answers

My hp 1740 automatically turns on and off in seconds


krishna s701, ALL cold cathode fluorescent lamp, back-lit lcd monitors use the same basic engineering design principles and mode of operation to display information on the glass lcd panel. I suggest you surf over to this old blog and see if something seems familiar!!! http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ My best guess is that the internal "switch-mode-power-supply" has detected a "fault condition" with itself or the CCFL electronic ballast circuit and goes into "full or partial shutdown mode" to save itself from a catastrophic, nonrecoverable event!! e.g. sparks, smoke, fire!! 12fixlouie

Oct 08, 2010 | HP L1740 17" LCD Monitor

1 Answer

Suddenly, after no previous problems, when computer (Mac- G5, older, not intel) started up in the morning, the monitor, although power light on, displays only black screen. Monitor is lcd Formac- not...


Try hooking it up to another PC first, but more likely to have failure in the power supply caps or failed inverter cicuits.

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 01, 2010 | Formac Gallery 1900 Oxygen 19" LCD Monitor

1 Answer

Burning smell from vent at top of monitor, accompanied by rapid and intermittent flashing of indicator light beneath power on button... Is this fatal..????


means that there are capacitors going bad inside of the unit. It could be fixed by taking it to a repair shop but you need to see if the cost of the repairs are going to be more then the cost of getting a new monitor.


Jun 28, 2009 | Formac Gallery 1740 Oxygen 17.4" LCD...

3 Answers

MY HP 1740 FLAT SCREEN MONITOR IS SHOWING A OSD LOCKOUT WARNING


Might be this...
For an OSD Lockout message, press and hold the Menu button for 10 seconds.
For a Power Button Lockout message, press and hold the Power button for 10 seconds.
http://h200003.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=3648453&prodTypeId=382087&objectID=c01508108

But then this post says he had to hold it down for 25-30 seconds...
http://h30434.www3.hp.com/psg/board/message?message.uid=59866

Mar 17, 2009 | HP Computers & Internet

1 Answer

Formac Gallery screen


I think your monitor PSU is cycling on and off, may be the horizontal stage is faulty, either way u have to take it to a service tech

Nov 06, 2008 | Computers & Internet

1 Answer

Dead/ tripping


Hi...there,
It's seems you got a busted backlight inverter...

Jul 25, 2008 | Samsung SyncMaster 910MP 19" LCD Monitor

1 Answer

List of hansol computers or monitors support centers in iran


Hansol itself does not support products in Iran directly - your geographically closest service centre is in Turkey, but others may be more convenient; http://www.hansollcd.com/eng/support/as.asp Hope this helps :) من امیداین کمک می کند

Aug 22, 2007 | Hansol 710 D Monitor

1 Answer

Formac Gallery Monitor


Looks like the water is getting in to the LCD contacts. Or corroding them. If the monitor can be opened safely open it and place in a warm dry environment for a few days. Silica dehumidifiers may help.
If the issue is not permanent this may fix it.

Jan 27, 2007 | Formac Gallery 1740 Oxygen 17.4" LCD...

Not finding what you are looking for?

Open Questions:

See all Formac Gallery 1740 Oxygen 17.4" LCD Monitor Questions

Formac Gallery 1740 Oxygen 17.4" LCD Monitor Logo

193 people viewed this question

Ask a Question

Usually answered in minutes!

Top Formac Computers & Internet Experts

Brian Sullivan
Brian Sullivan

Level 3 Expert

27725 Answers

kakima

Level 3 Expert

98902 Answers

David Payne
David Payne

Level 3 Expert

14089 Answers

Are you a Formac Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...