Question about SAMTRON 55V 15" CRT Monitor

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SMPS IC for Samsung 753S Monitor

Anybody can supply to me the DP704C Power Switch or FS6S0765RC for Samsung 753S Monitor. Our location is in Malaysia.

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  • Badal98 Jan 07, 2008

    Fuse blown, I have change fuse but again blown Samsung Syncmaster 753DFX. I have check Bridge Diod is okay,Can you help me about SMPS IC DP704c badalbdl@yahoo.com,+60133661087

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Can you help me about SMPS IC DP704c on jitendereco@gmail.com

Posted on Mar 03, 2009

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I want 1 dp704c ic for my computer i need the data sheet of it can u help me

09985856794 shashi bhushan....hyderabad

Posted on Mar 14, 2008

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Yes i have ic DP704C CONTAC ME shailesh_kevin@yahoo.com or 9824273599 india

Posted on Jan 06, 2007

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Posted on Jan 02, 2017

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1 Answer

Monitor is not working


Please connect the monitor to another PC to confirm the fault and if the monitor does not power on then the power supply can be faulty as the main power could have failed.If so check this link for tips to service the SMPS.
http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Dec 14, 2011 | Samsung SyncMaster 753S 17" CRT Monitor

3 Answers

How to open the back cover of Samsung SyncMaster 794mg CRT .


"Don't kill yourself just to save some bucks"

Here are the instructions:

http://www.josepino.com/?open-samsung-back-cover

Apr 24, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

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Samsung lcd monitor 153V has no display power indicator (green) is ok found 1 ic AE3U1T burnt. is this ic available or has the psu and backlight panel pcb to be changed.. dtgandhi@gmail.com


Samsung 153V LCD Monitor Power Supply Repair Tips


Troubleshooting Samsung 153V LCD power supply is just like troubleshooting those CRT type. This monitor came in with no power symptom. If you are first time repairing this type of power supply, I recommend you to first remove the switch mode power transformer. Then test every single component in the primary section, before you continue to check the secondary section.


You have to be good in testing basic electronic components in order to detect the fault. You can always browse through my website just in case you do not know how to test basic electronic components. If you do not know the right way to check, you might miss out a bad component and this will lead you not able to solve the problem. After carefully checking all the components in the power supply section, I found the filter capacitor do not have any reading using digital capacitance meter (open) , the two round type fuse also open circuit, 1N4744 15 Volt zener diode short circuit and lastly the power IC TOP247F blown!.


Testing the SMPS (switch mode power supply) primary winding with a **** smith fly-back tester, shows green bar which indicates good winding. What we left here were the secondary diode and filter capacitor. Upon checking them with analog meter and ESR meter, found all of them to be good condition. Other area like main board and inverter board also looks okay (Power failure rarely affect these two circuit). Now we have confirmed that only five components found to be faulty.


One by one the components were replaced (except one fuse) and just before you switch on the power supply, make sure you connect a 100 watt light bulb across the live ac line. Once it is done you can then proceed to switch on the LCD monitor to look at the brightness of the bulb.

If it very bright, this suggests that there are still short circuit somewhere in the power section. If it dim or totally goes off, you can now place your red probe to the secondary side to check if any dc present at their respective line. If there are DC voltages present at the output, you can switch off the power, discharge the filter capacitor (for safety purposes), remove the light bulb and connect back the new fuse to its original location.


You are now hundred percent sure that the LCD power supply won

Mar 23, 2009 | Samsung SyncMaster 153V 15" Flat Panel LCD...

2 Answers

HCL 17" monitor display problem


Hi there ,
It seems that you have a vertical section problem ,It might be possible some capacitor might have gone wrong

Jan 24, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Monitor control lock


press 14second menu switch..then show unloked,and check 5volt regulater ic Lm7805..

Jan 20, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

MOBIN_KHORSHIDEE


Samsung Monitor Model: Syncmaster 753S (ANNN17LS7L/EDC Chassis)
No power
I discovered IC601 (DP704C) had exploded, Equivalent for this IC is 6S0765RC
(Anonymous)

http://www.e-repair.co.uk/tipsmon.htm

Sep 04, 2008 | LG Studioworks 700S 17" CRT Monitor

2 Answers

Monitor Problem


First check the power switch with a multimeter,if its correct then check the power supply part of the monitor circuit. If you are having any problem with that part change the FET with another.

Aug 27, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

3 Answers

Monitor not powring on


How to unlock Samsung SyncMaster 753S (Ivory) 17" CRT Moniter

Mar 31, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

2 Answers

56 V - faint horizontal lines across the display


u can search problem in vertical section may be sum IC component was dry resold them .

Aug 02, 2006 | SAMTRON 55V 15" CRT Monitor

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