Question about Samsung SyncMaster 213T 21.3" LCD Monitor

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Will not power up,

internal fuse ok. switching power supply problem?

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IEC Mainspower socket pins bent slightly to make sure contact was made with the plug.

Posted on Sep 27, 2008

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I have the same problem. Took it apart for troubleshooting. Found that if I disconnect the ribbon cable between the display driver circuit board and the LCD panel, I can turn on power and it will stay on. I can turn it on and off with the power switch. With the LCD panel cable connected, Power turns on (power light blinks) then apparently a fault with the LCD panel causes the power supply to shutdown. At this point the power switch does nothing. Now the big question is "Can you purchase a LCD panel?" If so, it probably costs more than a new monitor. Hope this was helpful.

Posted on Mar 08, 2008

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Posted on Jan 02, 2017

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2005 ford escape wiper and washer has no power. cant hear it engage when on but was working a week ago. how can i troubleshoot it and find the fuse


Hi Justin , Do you know what a SJB - smart junction box is and where it is located on you escape ?
Windshield Wiper Operation
The smart junction box (SJB) supplies power to the multifunction switch from the SJB fuse 25 (20A) when the ignition switch is in the ON or ACC position. The multifunction switch supplies power to the windshield wiper motor for the HIGH or LOW/INTERMITTENT input, depending on the multifunction switch position selected. The SJB also supplies power directly to the windshield wiper motor from fuse 25 (20A) when the ignition switch is in the ON or ACC position for RUN/PARK operation. When the multifunction switch is in the LOW, HIGH, or INTERMITTENT position, power is supplied to the windshield wiper motor, which moves the wipers off the park position. Once the wipers are off the park position, an internal switch in the windshield wiper motor switches to the run/park position which directs power to the wiper switch then back to the wiper motor. This maintains power to the windshield wiper motor to complete the wipe cycle. When the cycle is complete, the internal switch in the windshield wiper motor switches back to the park position. If the multifunction switch is in the LOW or HIGH position, power is supplied from the multifunction switch and another wipe cycle starts. If the multifunction switch is in the INTERMITTENT position, the windshield wipers remain parked until the internal relay in the multifunction switch supplies power to the windshield wiper motor. The internal relay supplies power after a time delay that is determined by the 1 of 9 intermittent switch settings.

Jan 08, 2017 | 2005 Ford Escape

1 Answer

Samsumg 42pspf301501a no power main input ok


Could be an internal fuse that has blown in the power supply, if that's ok, it could be the switched mode transistor that has failed.

Also check for dry solder joints that could be causing an intermittent connection

Oct 14, 2014 | Samsung Televison & Video

1 Answer

Model Yamaha ME-50 no power


John
With AC power off.
Use a meter (on Ohms scale) to check internal fuse for blown (open) fuse.
If you feel qualified & safe with AC Power On.
Check input to internal power supply on AC Scale (Caution when AC is on) for volts in.
Use meter on internal Power Supply for "probably" DC volts leaving internal Power Supply electronics to power the rest of the electronic circuits.
Switch mode power supplies can break down. They stop doing their high frequency switching so they don't convert AC to DC.
If this P/Sup is a separate box or circuit board, inside the unit, then it can have a part number & be replaced.
Good Luck

Jul 14, 2014 | Yamaha Music

1 Answer

FUNAI DRV-B2737 HAS NO POWER AT ALL, NOT EVEN 'ON' BUTTON LED. CAN IT JUST BE INTERNAL FUSE BLOWN?


It can be a fuse but unit has to be opened to see---if fuse is good replace the player as cost for repair would be too much if power supply is bad.

May 01, 2012 | Funai Televison & Video

1 Answer

My Pixma MP630 will not turn on. I have checked the cable and it is delivering 230v OK. But there is no sign of life. Is there any internal fuse to check as the fault is inexplicable as it was functioning...


There is no internal fuse in the MP630. It has a internal solid block power supply. You cannot open it only replace it. Just make sure you have no keys stuck down on the operation panel. If all ok then its more likely that the logic board has failed than the power supply.

Srri.

Jul 21, 2011 | Canon PIXMA MP600 all-In-One InkJet...

1 Answer

DEAD, NO TURN ON, CHECKED INTERNAL FUSE OK


If the internal fuse is okay, then what you got here is a bad power supply. Many power supply's do die with the internal fuse intact what happends is the High voltage tranformer or relay goes out on you causing this to happed, Best thing to do is replace the unit becuase a new power supply would cost you more then the unit new. Let me know if you have any question.

please do not forget to rate.

Aug 10, 2010 | Toshiba RD-XS32 DVD Recorder

1 Answer

HP LaserJetIIIP - just won't switch on - cable and fuse OK


I can't believe that someone is still using one of the first LaserJet printers I got certified on!!! If you really want to gut the machine, there is a fuse in the power supply that could have blown. It is also possible that the power supply has finally died on its own after all of these years. You may just want to check the output voltages first to make sure of the status. If some voltages are present and not others, the fuse is still good, but the output circuitry is shot, in which case you would need to get a replacement power supply (if they are even available anymore).

Be careful with the disassembly process. The plastic clips may be brittle after almost 2 decades and could easily snap apart.

May 29, 2009 | HP LaserJet IIIp Printer

1 Answer

Short Cicuit on my Buffalo external hard disk...Help!!!!!!!!!


First of all Hi!

This Fixya will help you solve this problem. First of all your hard drive should be still ok but you will require to open the hard drive enclosure and replace the power supply (due to the wrong voltage tapping). Please feel free to follow these fixya's not only to recover your photos but get back a working hard drive!

Solution 1: Check fuses
1. Disconnect faulty enclosure from any mains supply
2. If power supply is INTERNAL you will have to OPEN the enclosure but BEFORE you do that WITH THE hard drive UNPLUGGED TURN ON the power switch to discharge the hard drive's internal power supply
2. Open the enclosure and check for any fuses on the inside. There should be one located close to the power swtich from inside. Change it with one of a similar rating because most probably this is the culprit.
3. Try and power up the drive THIS TIME WITH the CORRECT voltage tapping
4. If the power supply is EXTERNAL you do not need to open the enclosure, just change the power supply with a similar one and you should be up and running again.

Solution 2: But the fuse is ok but there is bbq smell when i opened the enclosure!
1. Ok this means that you will need to get hold of the internal hard drive.
2. If you have another computer check if the hard drive is still ok! Here is how:
- Turn off the computer
- Open case , #
- Hook it up to the Internal IDE cable and the internal power connector
- Turn on the computer.
- You should have this detected in my computer as a new hard drive and you
should be able to see all the data in it
2. But probably you still want this as external dont you? Ok buy another enclosure from a computer shop (this time you will just need an empty one)
3. Plug the hard drive in new enclosure. If you're not experienced enough just give it to them to hoook it up for you and FINALLY you should have the reincarnated buffalo hard drive functional again.

Hope this fixya was of help :)

Best Regards
ALx

- Please take some time to rate this solution, really appreiciated thanks :) -

Jan 07, 2009 | Computers & Internet

1 Answer

Problem


If the AC power source (outlet) is ok and the line cord and fuse are ok but the unit is completely dead, you may have a problem with the internal switching power supply.

Locate the switching power supply and see if there is a fuse on its circuit board.

Completely dead units are typically caused by a failure in the power supply section.

Please let me know if I can be of further assistance to you.

Good luck!

- Jim

Mar 06, 2008 | Sony SLV-D360P DVD Player/VCR

1 Answer

Milwaukee Job site radio


Questions:
1. Does the AC cord look ok? Not damaged?
2. Have you tried another AC outlet?
3. Does the AC cord unplug from the radio?

When you operate the radio from the AC power cord, the radio uses an internal power supply consisting of a step-down transformer, rectifier, and filter that converts the AC to DC to operate the radio.

When you run the radio off of batteries, it powers the radio directly. In some radios, when you plug the AC cord into the radio, it activates a switch that disconnects the battery voltage to the radio so that the batteries wont be damaged from the voltage created by the internal supply.

The radio can be powered by either the batteries or the internal supply. You don't want either supply affecting the other, so that is why a switch is sometimes used.

Since the radio works fine off of batteries, that would indicate that there is a problem with the internal power supply. This could be a blown fuse, bad transformer or bad rectifier diode.

Good Luck,
- Jim

Jan 24, 2008 | GE Superadio III AM/FM

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