Question about Dell UltraSharp 1704FPT 17" Flat Panel LCD Monitor

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NEED SCHEMATIC DIAGRAM monitor DELL 1704FPTt --or diagram chassis ptb1511 please help power defect..

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  • pvaly07 Apr 07, 2011

    no , ,,,, integrated I801 EXPLODED , how name integrated? 8 pin .

    need power supply schematic diagram.......


    or name integrated I801 please help.. thnk...

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  • Bud Martin
    Bud Martin Apr 07, 2011

    The whole replacement board is only $30, when the MOSFET that is driven by this SMP IC, it will take out the IC by blowing it up due to shorted MOFET Gate to Drain (Gate is driven by the IC) and put 170vdc o the IC, so it blows up the IC real bad. You may also find that the Diode connected to the Gate is also bad, also check the Source resistor to see if it is open.
    I am still trying to see if I have broken board that I can look up the IC number for you.

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I need the block diagram or schematic for a monitor.


N Peabody,
Unfortunately, Dell does not have the schematics for the monitors that can be sent to customers.
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Hit power button, powrers up for a few seconds, then goes off. Dell 1704FPTt Flat Panel.


Please see my pictures here and look for bad caps as shown in my pictures.
http://s807.photobucket.com/albums/yy352/budm/Dell%201704FPT/

If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 DELL 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Replacement board: http://www.lcdrepair.us

Nov 10, 2010 | Dell 1704FPTt 17" TFT LCD Flat Panel...

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Backlight inverter aoc lm729 Schematic diagram Please I am a repair technician (Retired) Lcd layer working picture on screen backlight goes off intermittently and now for almost all of time. Flashes...


Here is the service manual: http://elektrotanya.com/?q=showresult&megnev=AOC%20&megnev2=LM729%20&kategoria=&kat2=all

You will need test lamp to verify if it is the inverter or the lamp assemblies.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Sep 09, 2010 | AOC LM729 17" LCD Monitor

1 Answer

Hi, I need schematic diagram for IP-48135 T board....


Hello,

The schematic diagram is going to be very hard to get. We do repairs on this model. What information do you need? The most common problem is the capacitors on the power board. You can find this repair guide at: http://www.ccl-la.com/blog/index.php/repairing-the-samsung-940mw-lcd-tv/ If you need other information then let us know at: tech@ccl-la.com and we will get glad to assist you in the repair.

CCL_Tech
Corporate Computer
www.ccl-la.com

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1 Answer

My Dell flat panel monitor #1704FPTt will not stay lighted for more than 1 second. It started fading when first turned on about 2 weeks ago, otherwise it has been fine. Can it be fixed (it is about 8 years...


Fist place to check will be the power supply, look for bad caps with bulging tops, check to see if you do have 12vdc feeding the back light inverter circuits, see example of failed monitors (90% are due to bad caps): http://s807.photobucket.com/home/budm/allalbums

Jan 20, 2010 | Dell 1704FPTt 17" TFT LCD Flat Panel...

1 Answer

Schematic diagram


plz send me philips lcd monitor diagram power supply model 150B

thanks

regards
asif mansouri

Oct 20, 2008 | Computers & Internet

2 Answers

No Power


Hi...there,
No, power.. Could one things, your backlight inverter are burnt out. Need to replaced a new inverter or repaired it.

Oct 11, 2008 | Dell E173FP 17" LCD Monitor

1 Answer

NEED DIAGRAM


Monitors are disposable items and not normally repaired. Technology moves on and High Definition Flat screen monitors are the way to go. The only place you would get a schematic for it is from Dell themselves. Unlikely you will find spares for it. If it has no power, then it is a power supply unit problem. I suggest you get a new electrical mechanic :>)


http://www.dell.com/support/home/ca/en/cabsdt1/Drivers/DriversDetails?driverid=4291F

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